Password box

By combining multiple layers of combination lock rings and lock cylinder pins, the problem of limited opening and locking methods in existing combination lock boxes is solved, enabling diversified operation and precise positioning of the combination lock box, thus improving user experience and security.

CN224076124UActive Publication Date: 2026-04-03XIA MEN ZHI JI KE JI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing password boxes lack innovation in their opening and locking methods, making it difficult to achieve diverse user experiences and precise positioning.

Method used

The design employs a multi-layer combination lock ring and a lock cylinder, using the interaction of the retaining ring and the groove to allow the upper and lower covers to be opened or locked. Combined with the structure of the elastic pin and the pressing block, it enhances the comfort of operation and precise positioning.

Benefits of technology

It enables diverse opening and locking methods for the combination lock box, improving operational comfort and precise positioning capabilities, and enhancing security and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a password box which comprises a box body, an upper cover is arranged at the top of the box body, a lower cover is arranged at the bottom of the box body, and the box body is enclosed by the upper cover and the lower cover to form a closed body with an accommodating space; the password ring is provided with a plurality of layers, each layer of password ring is rotatably connected to the outer side wall of the box body in a sleeving mode, a protruding clamping ring is arranged on the inner wall of each password ring, and a notch is formed in one end of each clamping ring; the lock cylinder column is provided with a plurality of grooves which are spaced up and down, the lock cylinder column is inserted into one side of the box body, and the clamping rings can be clamped into the grooves; when the notches of all the password rings vertically form a straight line along the lock cylinder column, the lock cylinder column is moved, so that the upper cover and the lower cover are in an openable state; and when the password ring is rotated to enable at least one clamping ring to be clamped in the groove, the upper cover and the lower cover are in a locked state. The upper cover and the lower cover can be opened or locked through the matching of the lock cylinder column and the password ring.
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Description

Technical Field

[0001] This utility model relates to the field of storage boxes, specifically to a combination lock box. Background Technology

[0002] The Da Vinci Code cylinder is a replica of Leonardo da Vinci's manuscript, featured in "The Da Vinci Code." To open it, a five-digit code must be deciphered. The cylinder has five dials, each with 26 letters, resulting in 11,881,376 possible combinations. Typically, the cylinder contains a glass bottle filled with vinegar and a papyrus scroll with the answer written on it. Forcibly opening it would break the bottle, causing the vinegar to spill and the papyrus to melt (the acidity of the vinegar dissolves the papyrus). The secret would then be lost to history. Today, the Da Vinci Code cylinder is widely used in various fields.

[0003] Chinese patent document CN210396391U discloses a combination lock with storage space, relating to the field of combination lock technology, and solving the technical problem of inaccurate positioning when dialing the combination. The combination lock includes a fixed part, a movable part, and a locking part. The movable part has a storage space inside. The fixed part is fitted outside the movable part, and the movable part can only move horizontally relative to the fixed part. The locking part is fitted outside the fixed part, and the locking part can rotate relative to the fixed part. A rotation prompting mechanism is provided between the fixed part and the locking part. When the locking part and the fixed part rotate at a certain angle, the rotation prompting mechanism will issue a prompt. The locking part is used to control the relative movement between the movable part and the fixed part. When the locking part rotates to a certain position relative to the fixed part, the movable part can move horizontally relative to the fixed part until it separates.

[0004] After comparison, the present invention aims to provide a password box with an inventive concept that differs from the prior art. Utility Model Content

[0005] In view of this, the purpose of this utility model is to propose a combination lock box, which has different inventive concepts and realizes different opening and locking methods.

[0006] The technical solution adopted is as follows:

[0007] A combination lock box, comprising:

[0008] The box body has an upper cover at the top and a lower cover at the bottom, the upper cover and the lower cover forming a closed body with an accommodating space;

[0009] The combination ring has multiple layers, each layer of the combination ring is rotatably fitted onto the outer wall of the box body, and the inner wall of the combination ring has a protruding retaining ring with a notch at one end;

[0010] The lock cylinder has multiple grooves spaced vertically. The lock cylinder is inserted into one side of the housing, and the retaining ring can be engaged in the grooves. When the notches of all the combination rings form a straight line along the lock cylinder, the lock cylinder is moved to open the upper and lower covers. When the combination rings are rotated so that at least one retaining ring engages in the groove, the upper and lower covers are locked.

[0011] Furthermore, the password ring includes an inner ring and an outer ring. The inner wall of the inner ring is provided with the retaining ring; the outer wall of the inner ring is provided with a retaining strip; and the inner wall of the outer ring is provided with a plurality of equally spaced and evenly distributed retaining slots. The retaining strip can be engaged in the retaining slots.

[0012] Furthermore, the cryptographic ring has four layers.

[0013] Furthermore, each inner ring has an arc-shaped groove at its top and a first elastic pin at its bottom. In pairs of adjacent password rings, the first elastic pin is inserted into the arc-shaped groove of the adjacent password ring. Multiple arc-shaped grooves are evenly distributed at equal intervals. When the password ring is rotated, the first elastic pin can be rotated out and inserted into another arc-shaped groove.

[0014] Furthermore, the bottom of the inner ring is provided with a receiving groove, the first elastic pin includes a first spring and a first post, the first post is inserted into the receiving groove, the first spring is connected between the first post and the bottom of the receiving groove, the top of the first post is hemispherical, and the top of the first post is inserted into the upper and lower adjacent arc-shaped grooves.

[0015] Furthermore, each inner ring has a first resilient pin at its bottom.

[0016] Furthermore, the top cover is threaded onto the top of the box body, and the top cover is provided with a first slot. When the top cover is in the locked state, the top of the lock cylinder is inserted into the first slot; when the lock cylinder is moved, causing the top of the lock cylinder to disengage from the first slot, the top cover is in the openable state.

[0017] Furthermore, one side of the box body is provided with an elongated groove, into which the lock cylinder is inserted. When the lower cover is in the locked state, the bottom of the elongated groove has a reserved space not occupied by the lock cylinder. The lower cover is threaded to the bottom of the box body and is provided with a second elastic pin, which is inserted into the reserved space. When the lock cylinder is moved, causing its bottom to enter the reserved space and pressing the second elastic pin out of the reserved space, the lower cover is in an openable state.

[0018] Furthermore, the second elastic pin includes a second spring and a second post, the bottom of the lower cover is provided with a second slot, the second post is inserted into the second slot, the second spring is connected between the second post and the second slot, and the top of the second post is inserted into the reserved space.

[0019] Furthermore, the lock cylinder is connected to a third spring for resetting; and / or, one end of the lock cylinder is fixed with an outwardly extending extension, and a pressing block is provided on the extension.

[0020] The beneficial effects of this utility model are as follows:

[0021] Because the lock cylinder has multiple grooves spaced vertically, when the lock cylinder is inserted into one side of the housing, the retaining ring can be engaged in the grooves. When the notches of all the combination rings form a straight line along the lock cylinder, the lock cylinder is moved to open the upper and lower covers. When the combination rings are rotated so that at least one retaining ring engages in the groove, the upper and lower covers are locked. Thus, the upper and lower covers can be opened or locked through the cooperation of the lock cylinder and the combination rings. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of a combination lock box.

[0024] Figure 2 This is a top view of a combination lock box.

[0025] Figure 3 This is a three-dimensional structural diagram of a lock cylinder.

[0026] Figure 4 This is a schematic diagram of a lock cylinder with a pressing block separated from it.

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of a password box in a semi-assembled, semi-exploded state.

[0028] Figure 6 for Figure 5 A schematic diagram of the main structure of the password box in a semi-assembled, semi-exploded state.

[0029] Figure 7 This is a three-dimensional structural diagram of a combination lock box in an exploded state.

[0030] Figure 8 for Figure 7 A schematic diagram of the main structure of the password box in an exploded state.

[0031] Figure 9 This is a three-dimensional structural diagram of a combination lock box in a semi-sectional view.

[0032] Figure 10 for Figure 9 A schematic diagram of the front view structure of the combination lock box in a semi-sectional state.

[0033] Figure 11 This is a schematic diagram of a local structure of the inner and outer rings of a cryptographic ring when they are separated.

[0034] Figure 12 This is a schematic diagram of a local structure of the inner and outer rings of a cryptographic ring.

[0035] Figure 13 This is a schematic diagram showing the separation of the combination lock ring and the lock cylinder pin.

[0036] Figure 14 This is a structural diagram showing the structure when the notches of all the combination rings form a straight line along the top and bottom of the lock cylinder.

[0037] Figure 15 This is a schematic diagram of the structure when at least one retaining ring is engaged in the groove.

[0038] Figure 16 This is a schematic diagram of the combination lock box after pressing the movable lock cylinder pin.

[0039] Figure 17 This is a partial structural diagram showing the separation of the top cover from the box body.

[0040] Figure 18 A partial structural diagram showing the separation of the password ring and the first elastic pin.

[0041] Figure 19 This is a partial structural diagram showing the lower cover being separated from the box body.

[0042] Figure 20 This is a partial structural diagram showing the separation of the lower cover from the box body and the second elastic latch.

[0043] Figure 21 This is a cross-sectional view of the combination lock box in its locked state.

[0044] Figure 22 This is a cross-sectional view of the combination lock box in its openable state.

[0045] In the diagram, the serial numbers and their corresponding features are as follows:

[0046] 1-Box body; 2-Combination ring; 3-Lock cylinder pin; 4-Top cover; 5-Bottom cover;

[0047] 11-Through hole; 12-Elongated groove; 13-Reserved space; 21-Snap ring; 22-Notch; 23-Inner ring; 24-Outer ring; 25-Snap strip; 26-Snap groove; 27-Arc-shaped groove; 28-First elastic pin; 31-Groove; 32-Third spring; 33-Extension; 34-Pressing block; 35-Collar ring; 41-First slot; 51-Second elastic pin; 52-Second slot; 53-Limiting plate;

[0048] 231-Accommodation groove; 281-First spring; 282-First pillar; 511-Second spring; 512-Second pillar; 351-Strip-shaped limiting hole. Detailed Implementation

[0049] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0050] See Figures 1-22 The example shown is a combination lock box, which includes a box body 1, a combination ring 2, and a lock cylinder 3.

[0051] The box body 1 may have a through hole running vertically or a closed bottom. In this embodiment, the box body has a through hole 11 running vertically. The top of the box body 1 is provided with an upper cover 4, and the bottom of the box body 1 is provided with a lower cover 5. The upper cover 4 and the lower cover 5 enclose the box body 1 to form a closed body with a accommodating space. The item is placed in the accommodating space.

[0052] The password ring 2 has multiple layers, each layer of password ring 2 is rotatably fitted onto the outer wall of the box body 1, and a protruding retaining ring 21 is provided on the inner wall of the password ring 2, and a notch 22 is provided at one end of the retaining ring 21.

[0053] The lock cylinder 3 has multiple grooves 31 spaced vertically. The lock cylinder 3 is inserted into one side of the housing 1, and the retaining rings 21 can be engaged in the grooves 31. When the notches 22 of all the combination rings 2 form a straight line vertically along the lock cylinder 3, the lock cylinder 3 is moved. Specifically, in one embodiment, the lock cylinder 3 is moved downwards, so that the upper cover 4 and the lower cover 5 are in an openable state. At this time, the positions corresponding to the notches 22 of all the combination rings 2 are the correct combination state. When the combination rings 2 are rotated, so that at least one retaining ring 21 is engaged in the groove 31, the upper cover 4 and the lower cover 5 are in a locked state. In this case, at least one retaining ring 21 is engaged in the groove 31, that is, the notches of at least one combination ring are misaligned with the notches of other combination rings and are not on the same straight line. In this way, the lock cylinder 3 cannot move vertically, thereby locking the upper cover 4 and the lower cover 5, which is also in an incorrect combination state.

[0054] In this way, the cooperation between the lock cylinder 3 and the combination ring 2 enables the upper cover 4 and the lower cover 5 to be either openable or locked. This is an inventive concept not found in existing technology.

[0055] In one specific implementation, the password ring 2 includes an inner ring 23 and an outer ring 24. The inner wall of the inner ring 23 has a retaining ring 21; the outer wall of the inner ring 23 has a retaining strip 25; and the inner wall of the outer ring 24 has multiple evenly spaced slots 26, with the retaining strip 25 engaging within the slots 26. There can be one or more retaining strips, with one strip engaging within one slot. The outer wall of the outer ring 24 has a corresponding password layer, which contains one or more of numbers, letters, characters, and symbols. The position corresponding to the notch 22 is the position of the correct password; the notch corresponds to the numbers, letters, characters, or symbols on the outer ring's layer, which is the corresponding password.

[0056] The number of cipher layers is generally including, but not limited to, 3-5 layers. In this embodiment, a cipher layer with 4 layers is selected.

[0057] In one specific implementation, each inner ring 23 has an arc-shaped groove 27 at its top and a first elastic pin 28 at its bottom. In pairs of adjacent combination rings 2, the first elastic pin 28 is inserted into the arc-shaped groove 27 of the adjacent combination ring. Multiple arc-shaped grooves 27 are evenly distributed at equal intervals. When the combination ring 2 is rotated, the first elastic pin 28 can be rotated out and inserted into another arc-shaped groove 27. This provides two advantages: firstly, when rotating the combination ring (i.e., dialing the combination), a sound is heard with each rotation, increasing tactile comfort and allowing for precise positioning when dialing the combination. When the combination is correct, the cooperation of the first elastic pin and the arc-shaped groove ensures that all notches are precisely positioned on a straight line. Secondly, it functions as a stepped adjustment at specific positions with equal distances, achieving a movable limiting function. "Stepped adjustment" refers to adjustment within a range that can only be performed at a few specific positions; the opposite is "stepless adjustment," which refers to adjustment within a range that can be performed at any position.

[0058] In one specific embodiment, the bottom of the inner ring 23 is provided with a receiving groove 231. The first elastic pin 28 includes a first spring 281 and a first post 282. The first post 282 is inserted into the receiving groove 231, and the first spring 281 connects the first post 282 and the bottom of the receiving groove 231. The top of the first post 282 is hemispherical, and the top of the first post 282 is inserted into the adjacent arc-shaped grooves 27. In this way, the hemispherical shape and the top of the arc-shaped groove fit together smoothly. When the combination ring is rotated, that is, when the combination is turned, it is smooth and produces a crisp sound. It should be noted that although the bottom of the receiving groove is shown facing upwards in the attached drawings (e.g., ...), the bottom of the receiving groove is shown facing upwards. Figure 21 and Figure 22 As shown in the figure, the top of the first pillar is shown facing down, but the bottom of the receiving groove and the top of the first pillar are in a relative positional relationship. Since the art generally describes the bottom of the receiving groove, the figure can be rotated 180 degrees here and still described as the bottom of the receiving groove and the top of the first pillar, which is clear.

[0059] There may be one or more first elastic pins 28 for each layer of the cipher ring. As a specific implementation, it is preferable that there is only one first elastic pin 28 for each layer of the cipher ring.

[0060] In one specific embodiment, the top cover 4 is threadedly connected to the top of the box body 1. The top cover 4 has a first slot 41. When the top cover 4 is in the locked state, the top of the lock cylinder 3 is inserted into the first slot 41. When the lock cylinder 3 is moved downward, causing the top of the lock cylinder 3 to disengage from the first slot 41, the top cover 4 is in an openable state, which can be rotated open. The threaded connection refers to the top cover having internal threads and the top of the box body having external threads, with the internal and external threads engaging for rotation. When the top of the lock cylinder 3 is inserted into the first slot 41, the top cover is locked by the top of the lock cylinder and cannot rotate; when the top of the lock cylinder 3 disengages from the first slot 41, the top cover is no longer locked by the top of the lock cylinder and can be rotated open, thus being in an openable state.

[0061] In one specific embodiment, a long strip groove 12 is provided on one side of the box body 1. The lock cylinder 3 is inserted into the long strip groove 12. When the lower cover 5 is in the locked state, the bottom of the long strip groove 12 has a reserved space 13 that is not occupied by the lock cylinder. The lower cover 5 is threaded to the bottom of the box body 1. The lower cover 5 is provided with a second elastic pin 51, which is inserted into the reserved space 13. When the lock cylinder 3 is moved downward, the bottom of the lock cylinder 3 enters the reserved space 13 and pushes the second elastic pin 51 out of the reserved space 13, so that the lower cover 5 is in an openable state, that is, a rotatable openable state. The threaded connection means that the lower cover has an internal thread and the bottom of the box body has an external thread, and the internal thread and the external thread are connected to rotate together. When the second elastic pin 51 is inserted into the reserved space 13, the lower cover is locked by the second elastic pin 51 and cannot be rotated, thus being in a locked state; when the second elastic pin 51 is pushed out of the reserved space 13, the lower cover is no longer locked by the second elastic pin and can be rotated open, thus being in an openable state.

[0062] Furthermore, it's worth noting that when the lock cylinder 3 is moved downwards, on one hand, the top of the lock cylinder 3 disengages from the first slot 41, making the upper cover 4 openable; on the other hand, the bottom of the lock cylinder 3 enters the reserved space 13 and pushes the second elastic pin 51 out of the reserved space 13, making the lower cover 5 openable. That is, both the upper and lower covers are simultaneously openable. Otherwise, both the upper and lower covers are simultaneously locked.

[0063] When changing the password, ensure both the top and bottom covers are openable. Simply rotate the bottom cover 5 to open it, then pull down all four outer rings simultaneously. Reset the password for the corresponding inner ring notch, and then slip them onto the inner rings one by one to change the password.

[0064] In one specific embodiment, the second elastic pin 51 includes a second spring 511 and a second post 512. The bottom of the lower cover 5 is provided with a second slot 52. The second post 512 is inserted into the second slot 52. The second spring 511 is connected between the second post 512 and the second slot 52. The top of the second post 512 is inserted into the reserved space 13.

[0065] To prevent the second pillar 512 from popping out, a limiting plate 53 can be set to limit the movement space of the second pillar 512.

[0066] In one specific embodiment, one end of the lock cylinder 3 is fixed with an outwardly extending portion 33, and a pressing block 34 is provided on the extension portion 33. By adding the pressing block 34, it is convenient to press with a finger. By pressing the pressing block downward, the lock cylinder 33 can be moved downward.

[0067] In one specific embodiment, a collar 35 is provided between the pressing block 34 and the lock cylinder 3. The collar 35 is fitted onto the housing 1. A strip-shaped limiting hole 351 is provided on the collar 35. An extension 33 extends into the strip-shaped limiting hole 351 and extends out onto the pressing block 34. The pressing block 34 and the extension 33 are detachably connected. In this way, the distance that the extension moves up and down in the strip-shaped limiting hole is the distance that the lock cylinder moves up and down. Thus, the strip-shaped limiting hole limits the vertical travel range of the lock cylinder, making it easy to know the distance of pressing movement.

[0068] In one specific implementation, the lock cylinder 3 is connected to a third spring 32 for resetting. Thus, when the lock cylinder is released from pressure, the lock cylinder can move upwards to reset under the action of the third spring.

[0069] The working process of the password box in one specific implementation is as follows:

[0070] Rotate the combination ring 2 along the position of the lock cylinder 3 to get the correct combination. When all the notches 22 of the combination rings 2 are aligned vertically with the lock cylinder 3, press down and move the lock cylinder 3 to open the upper and lower covers. If you want to change the combination, rotate to open the lower cover 5. If you do not want to change the combination, rotate to open the upper cover 5 to take out the items placed in the box.

[0071] Then rotate the upper cover 4 or the lower cover 5. The lock cylinder 3 will be reset under the action of the third spring 32. Then rotate the combination ring 2 at will, so that at least one locking ring 21 in the combination box can be engaged in the groove 31, and the upper cover 4 and the lower cover 5 will be in the locked state.

[0072] In this way, the lock cylinder 3 and the combination ring 2 work together to enable the upper cover 4 and the lower cover 5 to be either openable or locked.

[0073] It should be noted that in the description of this utility model, "multiple" generally means two or more (including two). Similar expressions related to "multiple" are also interpreted in this way, such as "multi-layered," unless otherwise explicitly specified.

[0074] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. All equivalent embodiments or modifications made without departing from the spirit of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A cryptographic box, characterized by It includes: The box body is provided with an upper cover at the top and a lower cover at the bottom, and the upper cover and the lower cover enclose the box body into a closed body with a containing space; The password ring has multiple layers, each layer of the password ring is rotatably sleeved on the outer side wall of the box body, a protruding clamping ring is arranged on the inner wall of the password ring, and a notch is arranged at one end of the clamping ring; The lock core column is inserted into one side of the box body, the clamping ring can be clamped into the groove, when the notches of all the password rings form a straight line along the lock core column up and down, the lock core column is moved, and the upper cover and the lower cover are in an openable state; when at least one clamping ring is clamped into the groove by rotating the password ring, the upper cover and the lower cover are in a locked state.

2. The cipher box according to claim 1, wherein, The password ring includes an inner ring and an outer ring, the inner wall of the inner ring is provided with the clamping ring, the outer wall of the inner ring is provided with a clamping strip, and the inner wall of the outer ring is provided with multiple evenly distributed clamping grooves.

3. The cipher box according to claim 2, wherein, The password ring has four layers.

4. The cipher box of claim 2, wherein, The top of each inner ring is provided with an arc-shaped groove, the bottom of each inner ring is provided with a first elastic pin, in every two adjacent password rings, the first elastic pin is inserted into the arc-shaped groove of the adjacent password ring, and the arc-shaped grooves are evenly distributed.

5. The cipher box of claim 4, wherein, The bottom of the inner ring is provided with a containing groove, the first elastic pin includes a first spring and a first column, the first column is inserted into the containing groove, the first spring is connected between the first column and the bottom of the containing groove, the top of the first column is hemispherical, and the top of the first column is inserted into the arc-shaped groove above and below.

6. The cipher box of claim 4, wherein, The bottom of each inner ring is provided with a first elastic pin.

7. The cipher box of claim 1, wherein, The upper cover is screw-connected to the top of the box body, the upper cover is provided with a first insertion slot, the top of the lock core column is inserted into the first insertion slot when the upper cover is in a locked state, the upper cover is in an openable state when the top of the lock core column is separated from the first insertion slot.

8. The cipher box of claim 1, wherein, One side of the box body is provided with an elongated slot, the lock core column is inserted into the elongated slot, the bottom of the elongated slot has a reserved space which is not occupied by the lock core column when the lower cover is in a locked state, the lower cover is screw-connected to the bottom of the box body, the lower cover is provided with a second elastic pin, and the second elastic pin is inserted into the reserved space; the lower cover is in an openable state when the bottom of the lock core column enters the reserved space and the second elastic pin is pressed out of the reserved space.

9. The cipher box of claim 8, wherein, The second elastic pin includes a second spring and a second column, the bottom of the lower cover is provided with a second insertion slot, the second column is inserted into the second insertion slot, the second spring is connected between the second column and the second insertion slot, and the top of the second column is inserted into the reserved space.

10. The cipher box of claim 1, wherein, The lock core column is connected with a third spring for resetting; and / or, one end of the lock core column is fixed with an extension part extending outward, and a pressing block is arranged on the extension part.

Citation Information

Patent Citations

  • Coded lock with storage space

    CN210396391U