Clutch structure of coded lock
By adopting a clutch-type connection structure in the mechanical combination lock, the problem of accidental activation of the lock cylinder and lock lever is solved, independent control of the lock tongue is achieved, misoperation is avoided, and reliability and security are improved.
Patent Information
- Application Number
- CN202520015873.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The lock cylinder and locking lever of a mechanical combination lock are fixedly connected, which causes the bolt to rotate simultaneously when accidentally pressed, making it impossible to avoid accidental operation.
The lock uses a clutch-type connection structure, which connects the lock head and the lock lever through a spring and a pin. This allows the lock head and lock lever to engage and rotate when needed, and to disengage when not needed, thus preventing accidental activation.
Independent control of the lock head and lock ruler is achieved, avoiding accidental activation and improving reliability and safety.
Smart Images
Figure CN223824767U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical password lock field, concretely is a kind of clutch structure of password lock. BACKGROUND
[0002] The lock head and lock scale of current mechanical password lock are fixedly connected, both simultaneously drive, when lock head is mistaken, it will drive lock bolt to rotate simultaneously, and there is to be improved. INVENTION CONTENTS
[0003] The utility model discloses a kind of clutch structure of password lock, to solve the problem presented in above background technology, it has the advantage that lock scale and lock head are connected using clutch type mode.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of clutch structure of password lock, including password lock module, the password lock module includes fixed ring and the lock head connected with fixed ring, the one end of the lock head is provided with ratchet tooth, the side of the lock head is provided with fixed rotation step, the one end of the lock head is provided with the lock scale fixed block in fixed rotation step, the lock scale fixed block is connected with the lock scale body meshed with machine gear by first pin, the fixed rotation step is connected with lock scale fixed block by second pin, spring is arranged between the fixed ring and lock scale fixed block.
[0005] By adopting the above technical scheme, press lock head to drive lock head to move towards the direction of lock scale body until lock head and the inside of lock scale fixed block mesh, when rotating lock head can drive lock scale fixed block to rotate and in turn drive lock scale body to rotate, when not needing to rotate, pull lock head outward until machine gear is no longer meshed with lock scale fixed block, when the rotation of lock head will not drive the rotation of lock scale body, avoid mistaken effect.
[0006] As a further scheme of the utility model: the middle part of the lock head is provided with snap spring groove, the snap spring body in the side of fixed ring is installed in the snap spring groove.
[0007] By adopting the above technical scheme, snap spring body is in snap spring groove, so that fixed ring and lock head are connected together.
[0008] As a further scheme of the utility model: the round intermediate particle is arranged between the snap spring and spring.
[0009] By adopting the above technical scheme, reduce the friction between snap spring and spring.
[0010] As a further scheme of the utility model: the middle part of the fixed ring is provided with annular groove recessed inward, the third pin in annular groove is arranged in the fixed rotation step.
[0011] By adopting the technical scheme, the third pin is arranged to limit the movement of the fixing ring and the movement of the lock head, thereby avoiding the lock head moving outwards.
[0012] As a further scheme of the utility model: the password lock module includes a password round plate, a plurality of password round blocks are arranged in the middle part of the password round plate, first through holes are arranged in the side surface of the password round blocks, and second through holes coaxially arranged with the first through holes are arranged in the side surface of the password round plate.
[0013] By adopting the technical scheme, the password round blocks are rotated until the first through holes of the plurality of password round blocks are on the same axis, at this time, the outer rod can be inserted into the first through hole through the second through hole, the password round plate and the fixing ring are connected, and the fixing ring is rotated by rotating the password round plate.
[0014] As a further scheme of the utility model: the side surface of the fixing ring is provided with a protruding block, and the inner side of the fixed rotating step is provided with a sliding groove for the movement of the protruding block.
[0015] By adopting the technical scheme, the protruding block can only move in the sliding groove and along the length direction of the sliding groove.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] The lock head is pressed to drive the lock head to move towards the direction of the lock ruler body until the lock head is engaged with the inside of the lock ruler fixing block, at this time, the lock ruler fixing block is rotated by rotating the lock head, and the lock ruler body is rotated, when the rotation is not needed, the lock head is pulled outwards until the gear wheel is not engaged with the lock ruler fixing block, at this time, the rotation of the lock head will not drive the rotation of the lock ruler body, and the effect of avoiding misoperation is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an embodiment structure schematic view;
[0019] Figure 2 It is an embodiment structure schematic view without the fixed rotating step;
[0020] Figure 3 It is Figure 2 It is another perspective structure schematic view;
[0021] Figure 4 It is an embodiment explosion schematic view.
[0022] In the figure: 1, fixed ring; 2, lock head; 3, ratchet tooth; 4, fixed rotation step; 5, lock ruler fixed block; 6, lock ruler body; 7, spring; 8, snap spring slot; 9, snap spring body; 10, round intermediate; 11, annular groove; 12, first pin; 13, password round plate; 14, password round block; 16, second through hole; 17, protrusion; 18, sliding groove; 19, second pin; 20, third pin. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] In the embodiments of the utility model,
[0025] A kind of clutch structure of combination lock, as shown in Figures 1-4 Fig. 1, including combination lock module, the combination lock module includes fixed ring 1 and the lock head 2 connected with fixed ring 1, the one end of the lock head 2 is provided with ratchet tooth 3, the side of the lock head 2 is provided with fixed rotation step 4, the one end of the lock head 2 is provided with the lock ruler fixed block 5 in fixed rotation step 4, the lock ruler fixed block 5 is connected with lock ruler body 6 by first pin 12, the fixed rotation step 4 is connected with lock ruler fixed block 5 by second pin 19, spring 7 is arranged between the fixed ring 1 and lock ruler fixed block 5.
[0026] The middle part of the lock head 2 is provided with snap spring slot 8, the snap spring slot 8 is installed with the snap spring body 9 in one side of fixed ring 1.
[0027] The round intermediate 10 is arranged between the snap spring and spring 7.
[0028] The middle part of the fixed ring 1 is provided with annular groove 11 recessed inward, the third pin 20 in the annular groove 11 is provided with the fixed rotation step 4.
[0029] The combination lock module includes password round plate 13, the middle part of the password round plate 13 is provided with a plurality of password round block 14, the side of the password round block 14 is provided with first through hole (not shown), the side of the password round plate 13 is provided with the second through hole 16 coaxially arranged with first through hole.
[0030] The side of the fixed ring 1 is provided with protrusion 17, the inner side of the fixed rotation step 4 is provided with sliding groove 18 for the movement of protrusion 17.
[0031] Working principle:
[0032] The pressing of the lock head 2 drives the lock head 2 to move towards the lock ruler body 6 until the lock head 2 is engaged with the inside of the lock ruler fixing block 5, at this time, the rotation of the lock head 2 can drive the lock ruler fixing block 5 to rotate and further drive the lock ruler body 6 to rotate, when the rotation is not needed, the lock head 2 is pulled outwards until the gear wheel is not engaged with the lock ruler fixing block 5, at this time, the rotation of the lock head 2 will not drive the lock ruler body 6 to rotate, which plays a role of avoiding misoperation.
[0033] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A combination lock clutch structure, comprising a combination lock module, the combination lock module comprising a retaining ring (1) and a lock head (2) connected to the retaining ring (1), characterized in that: One end of the lock head (2) is provided with a ratchet tooth (3), and the side of the lock head (2) is provided with a fixed step (4). One end of the lock head (2) is provided with a locking ruler fixing block (5) located in the fixed step (4). The locking ruler fixing block (5) is connected to the locking ruler body (6) through a first pin (12). The fixed step (4) is connected to the locking ruler fixing block (5) through a second pin (19). A spring (7) is provided between the fixing ring (1) and the locking ruler fixing block (5).
2. The clutch mechanism of a combination lock according to claim 1, characterized in that: The lock head (2) has a retaining ring groove (8) in the middle, and a retaining ring body (9) is installed in the retaining ring groove (8) on one side of the fixing ring (1).
3. The clutch mechanism of a combination lock according to claim 2, characterized in that: A circular spacer (10) is provided between the snap ring and the spring (7).
4. The clutch mechanism of a combination lock according to claim 1, characterized in that: The fixing ring (1) has an inwardly recessed annular groove (11) in the middle, and the fixing step (4) is provided with a third pin (20) located in the annular groove (11).
5. The clutch mechanism of a combination lock according to claim 1, characterized in that: The combination lock module includes a combination plate (13), a plurality of combination blocks (14) are provided in the middle of the combination plate (13), a first through hole is provided on the side of the combination block (14), and a second through hole (16) is provided on the side of the combination plate (13) and coaxially arranged with the first through hole.
6. The clutch mechanism of a combination lock according to claim 1, characterized in that: The side of the fixed ring (1) is provided with a protrusion (17), and the inner side of the fixed step (4) is provided with a groove (18) for the movement of the protrusion (17).