Multi-turntable coded lock

Abstract

The utility model discloses a multi-turntable coded lock which comprises a lock box, turntables, adjusting wheels, a lock rod, a tray and a lock cover, the turntables are rotatably connected with the lock box, the tray is mounted in an inner cavity of the lock box, at least one adjusting wheel is rotatably mounted on the tray and meshed with the turntables, and the lock rod is slidably mounted in the lock box. The lock rod is provided with a supporting rod matched with the notch in the adjusting wheel, and the lock cover is installed on the lock box and abuts against the adjusting wheel. According to the coded lock, the multiple rotating discs are independently installed on the lock box, the supporting rods on the lock rod and the adjusting wheels on the rotating discs play a role in interlocking, unlocking and locking of the coded lock are controlled, and the coded lock is simple in structure, easy to assemble and convenient to disassemble, assemble and maintain in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of password locks, in particular to a multi-turntable password lock. Background Art

[0002] General dial combination locks, such as common luggage multi-disc locks, door multi-disc padlocks, etc., use the dial to push several balance discs or cams behind. To open this lock, first turn the first dial to the first accurate number, then turn the second dial to the second accurate number, and so on until the last number. When the correct password is entered, the digits are in a straight line, and the lock can be opened.

[0003] However, this type of turntable combination lock requires that each turntable be coaxially arranged with the locking rod, and then an ingenious interlocking mechanism be arranged between the turntable and the locking rod. The coaxial position relationship between the two results in an extremely small installation space for the interlocking mechanism and poor operation. As a result, once the lock fails or the password is forgotten, it is difficult to disassemble and assemble. Therefore, a multi-turntable combination lock with a simple structure and easy assembly is urgently needed. Utility Model Content

[0004] The utility model aims to provide a multi-turntable combination lock to solve the problem that each turntable and a lock rod of a traditional turntable combination lock are coaxially arranged, resulting in extremely small installation space for the interlocking mechanism and difficult assembly and disassembly.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A multi-turntable combination lock comprises a lock box, a turntable, an adjustment wheel, a lock rod, a tray and a lock cover, wherein the turntable is rotatably connected to the lock box, the tray is installed in the inner cavity of the lock box, at least one adjustment wheel is rotatably installed on the tray, and the adjustment wheel is engaged with the turntable, the lock rod is slidably installed in the lock box, and the lock rod is provided with a support rod adapted to a notch on the adjustment wheel, and the lock cover is installed on the lock box and abuts against the adjustment wheel.

[0007] A further technical solution is: a limit block adapted to the support rod is arranged in the lock box.

[0008] A further technical solution is that: a slideway matched with the locking rod is arranged on the limit block.

[0009] A further technical solution is that the end of the support rod is in an arc shape with the outer peripheral surface of the adjusting wheel.

[0010] A further technical solution is: a scale plate is arranged on the turntable.

[0011] A further technical solution is that the length of the locking rod extending out of the lock box is consistent with the stroke of the support rod in the adjusting wheel.

[0012] A further technical solution is: a return spring is installed between the lock rod and the lock box.

[0013] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0014] The utility model provides a multi-turntable combination lock, in which a plurality of turntables are independently mounted on a lock box, a support rod on a lock rod and an adjusting wheel on the turntable play an interlocking role, and the opening and locking of the combination lock are controlled. The lock has a simple structure, is easy to assemble, and is convenient for later disassembly, assembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the structure of a multi-disc combination lock.

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of the middle locking rod and the tray.

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the central turntable and the adjusting wheel.

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure in another state.

[0019] Figure numerals: 1, lock box; 2, turntable; 3, adjustment wheel; 4, lock rod; 5, tray; 6, lock cover; 7, limit block; 8, dial. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a multi-turntable combination lock includes a lock box 1, a turntable 2, an adjusting wheel 3, a locking rod 4, a tray 5 and a lock cover 6. The turntable 2 is rotatably connected to the lock box 1, the tray 5 is installed in the inner cavity of the lock box 1, at least one adjusting wheel 3 is rotatably installed on the tray 5, and the adjusting wheel 3 is engaged with the turntable 2, the locking rod 4 is slidably installed in the lock box 1, and the locking rod 4 is provided with a support rod adapted to the notch on the adjusting wheel 3, and the lock cover 6 is installed on the lock box 1 and against the adjusting wheel 3.

[0028] The lock box 1 is used to carry and install other components of the multi-disk combination lock. The turntable 2 is meshed with the adjusting wheel 3 through a tooth structure. The operation starts according to the password. When the turntable 2 rotates, it rotates with the adjusting wheel 3, so that the notch on the adjusting wheel 3 is opposite to the support rod on the lock rod 4, and this is done until all the turntables 2 are rotated, so that the notch on each adjusting wheel 3 is opposite to the support rod. At this time, the unlocking work is completed, and the support rod can move in the notch on the adjusting wheel 3. The stroke of this movement is the effective length of the lock rod 4.

[0029] Preferably, a limit block 7 adapted to the support rod is provided in the lock box 1 .

[0030] When the notch on the adjusting wheel 3 cannot limit the travel of the locking rod 4 to a smaller extent, two adjacent limiting blocks 7 can further limit the travel of the locking rod 4 .

[0031] Preferably, a slideway matched with the locking rod 4 is provided on the limiting block 7 .

[0032] The slideway facilitates the movement of the locking rod 4 on the limiting block.

[0033] Preferably, the end of the support rod is in an arc shape with the outer circumference of the adjusting wheel 3 .

[0034] The end of the support rod is arc-shaped, which can be well matched with the outer peripheral surface of the adjusting wheel 3 and does not interfere with the rotation of the adjusting wheel 3.

[0035] Preferably, a scale plate 8 is provided on the turntable 2 .

[0036] The dial is used to help the user know whether the digital code is rotated into place.

[0037] Preferably, the length of the locking rod 4 extending out of the lock box 1 is consistent with the stroke of the support rod in the adjusting wheel 3 .

[0038] Preferably, a return spring is installed between the lock rod 4 and the lock box 1 .

[0039] The return spring can separate the support rod on the locking rod 4 from the adjusting wheel 3 to prevent the support rod from getting stuck in the adjusting wheel 3 due to production errors, thereby affecting installation, password setting and subsequent use.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-disc combination lock, characterized in that: The invention comprises a lock box (1), a rotating disk (2), an adjusting wheel (3), a locking rod (4), a tray (5) and a locking cover (6), wherein the rotating disk (2) is rotatably connected to the lock box (1), the tray (5) is mounted in the inner cavity of the lock box (1), at least one adjusting wheel (3) is rotatably mounted on the tray (5), and the adjusting wheel (3) is meshed with the rotating disk (2), the locking rod (4) is slidably mounted in the lock box (1), and the locking rod (4) is provided with a supporting rod adapted to a notch on the adjusting wheel (3), and the locking cover (6) is mounted on the lock box (1) and abuts against the adjusting wheel (3).

2. The multi-disc combination lock according to claim 1, characterized in that: A limit block (7) adapted to the support rod is arranged in the lock box (1).

3. The multi-disc combination lock according to claim 2, characterized in that: The limit block (7) is provided with a slideway adapted to the locking rod (4).

4. The multi-disc combination lock according to claim 1, characterized in that: The end of the support rod is in an arc shape with the outer peripheral surface of the adjusting wheel (3).

5. The multi-disc combination lock according to claim 1, characterized in that: The rotating disk (2) is provided with a scale disk (8).

6. The multi-disc combination lock according to claim 1, characterized in that: The length of the locking rod (4) extending outside the lock box (1) is consistent with the stroke of the support rod within the adjustment wheel (3).

7. The multi-disc combination lock according to claim 1, characterized in that: A return spring is installed between the lock rod (4) and the lock box (1).

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