A quick-opening combination lock mechanism

By adding a combination lock component to the handle of the quick-opening lock, the handle can only be turned when the correct password is entered, and the linkage mechanism can only unlock it. This solves the problem of low security in existing quick-opening locks and improves the security and convenience of the lock.

CN224452431UActive Publication Date: 2026-07-03WENZHOU SHENJUN HARDWARE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU SHENJUN HARDWARE CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing quick-opening locks are not very secure and cannot be unlocked if the key is forgotten, making them inconvenient to use.

Method used

A quick-opening combination handle mechanism was designed. By adding a combination lock component to the handle, the handle can only be turned when the correct password is entered, and the linkage mechanism can only unlock, thus improving security. After the password is correct, the rotating wheel can be unlocked and rotated freely, driving the lock block to slide and the linkage mechanism to rotate, thereby unlocking the latch.

Benefits of technology

It improves the security and convenience of locks, ensuring that only the correct password can unlock them, and avoiding the trouble of not being able to unlock the lock due to forgetting the key.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224452431U_ABST
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Abstract

This utility model discloses a quick-opening combination handle mechanism, relating to the field of locks. It includes a handle and a linkage mechanism installed in the handle, further comprising: a rotating wheel rotatably mounted in the handle; a combination lock assembly installed in the handle and used to lock and unlock the rotating wheel's rotational movement; and a lock block slidably mounted within the handle and linked to the rotating wheel. The lock block has a first state where it is driven by the rotating wheel to approach and contact the linkage mechanism, and a second state where it is driven by the rotating wheel to move away from the linkage mechanism. This utility model has the advantages of good security and convenience.
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Description

Technical Field

[0001] This utility model relates to the field of locks, specifically to a quick-opening combination handle mechanism. Background Technology

[0002] Existing quick-unlock technologies, such as the multi-functional quick-unlock and its lock cylinder disclosed in CN118582112A on 2024-09-03, are controlled by a key for unlocking. However, the structure of this quick-unlock allows the door handle to control the unlocking of the square bolt and the bevel bolt, which still has the disadvantage of low security. In addition, if you forget to bring your key, you cannot unlock the door, which is very inconvenient. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a quick-opening combination lock mechanism with good security and convenience.

[0004] The technical solution adopted in this utility model is: a quick-opening combination handle mechanism, including a handle and a linkage mechanism installed in the handle, and further including:

[0005] Rotary wheel component, which is rotatably mounted in the handle;

[0006] A combination lock assembly, which is installed in the handle and used to lock and unlock the rotational movement of the rotating wheel;

[0007] A locking block, which is slidably installed inside the handle and linked to the rotating wheel component;

[0008] The lock block has a first state in which it is driven by the rotating wheel to approach and contact the linkage mechanism, and a second state in which it is driven by the rotating wheel to move away from the linkage mechanism.

[0009] The linkage mechanism includes:

[0010] A linkage bushing, which is rotatably mounted in the handle;

[0011] A linkage plate, which is linked to the end of the linkage bushing;

[0012] The linkage plate has an insert block portion that extends radially outward around its outer circumference;

[0013] The locking block has a notch on the side facing the linkage plate that matches the insertion block.

[0014] An elastic element is provided between the linkage bushing and the handle.

[0015] The circumferential surface of the rotating wheel is provided with an inclined groove, and the locking block is provided with a connecting post that is fixedly connected and whose end is inserted into the inclined groove.

[0016] The combination lock assembly includes a lock box, several positioning rods arranged axially in the lock box, combination wheels that are linked and cooperate with the positioning rods, and a moving frame. The positioning rods are provided with notches and grooves in the circumference. The moving frame is slidably installed in the lock box and is provided with several windows that avoid the combination wheels. The moving frame is provided with several first pins corresponding to the notches and grooves.

[0017] The movable frame is provided with a second pin at one end facing the rotating wheel component, and the end of the rotating wheel component is provided with a groove. The rotating wheel component has a first state in which it can rotate freely when the second pin is not inserted into the groove, and a second state in which it is restricted from rotating after the second pin is inserted into the groove.

[0018] The bottom of the groove is smoothly connected to the end face of the rotating wheel, and the second ejector pin is V-shaped with a rounded tip.

[0019] The handle also has a panel for covering the lock box, and the panel has several perforations to expose the combination wheel and rotating wheel components.

[0020] The handle is provided with a sliding cover plate for covering the combination lock components. The inner wall of the cover plate is provided with iron sheets, and the handle is provided with several magnetic components corresponding to the iron sheets.

[0021] The lock block is square, and the handle has a sliding groove for the lock block to slide and restrict its rotation.

[0022] The beneficial effects of this utility model are: by adding a combination lock to the handle, only when the password is entered correctly can the linkage mechanism be rotated by turning the handle. If the password is incorrect, the linkage mechanism cannot be rotated by turning the handle. The rotation of the linkage mechanism will cause the square tongue in the lock body to unlock, thus improving security.

[0023] In addition, after the correct password is entered, the combination lock unlocks and can rotate freely. The rotating component inside the lock block slides laterally until it contacts the linkage mechanism. Then, the linkage mechanism is connected to the handle through the lock block. At this time, turning the handle can drive the linkage mechanism to rotate and unlock the latch. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the quick-opening combination lock mechanism according to an embodiment of the present invention.

[0025] Figure 2 A schematic diagram showing the disassembled structure of the combination handle mechanism for quick unlocking.

[0026] Figure 3 This is a schematic diagram of the rotating wheel component.

[0027] Figure 4 This is a structural diagram of the linkage mechanism and locking block.

[0028] Figure 5 This is a schematic diagram of the movable box structure.

[0029] Figure 6 This is a schematic diagram of the cover plate.

[0030] Figure 7 This is a schematic diagram of the positioning rod. Detailed Implementation

[0031] The embodiments of this utility model will be further described below with reference to the accompanying drawings:

[0032] As shown in the figure, a quick-opening combination handle mechanism includes a handle 1 and a linkage mechanism 5 installed in the handle 1, and further includes:

[0033] Rotary wheel 2 is rotatably mounted in the handle 1;

[0034] The combination lock assembly 3 is installed in the handle 1 and is used to lock and unlock the rotation of the rotating wheel 2;

[0035] Locking block 4 is slidably installed inside the handle 1 and linked to the rotating wheel 2;

[0036] The lock block 4 has a first state in which it is driven by the rotating wheel 2 to approach and contact the linkage mechanism 5, and a second state in which it is driven by the rotating wheel 2 to move away from the linkage mechanism 5. This technical solution adds a combination lock to the handle. Only when the password is entered correctly can the linkage mechanism be rotated by turning the handle. If the password is wrong, the linkage mechanism cannot be rotated by turning the handle. The rotation of the linkage mechanism will cause the square tongue in the lock body to unlock, thus improving security.

[0037] In addition, after the correct password is entered, the combination lock unlocks and can rotate freely. The rotating component inside the lock block slides laterally until it contacts the linkage mechanism. Then, the linkage mechanism is connected to the handle through the lock block. At this time, turning the handle can drive the linkage mechanism to rotate and unlock the latch.

[0038] The linkage mechanism 5 includes:

[0039] A linkage bushing 51 is rotatably mounted in the handle 1;

[0040] Linkage plate 52, which is linked to the end of the linkage bushing 51;

[0041] The linkage plate 52 has an insert block portion 53 extending radially outward on its outer circumference;

[0042] The locking block 4 has a notch 41 on the side facing the linkage plate 52 that matches the insertion block 53. When the locking block is away from the linkage mechanism, there is no linkage connection between the handle and the linkage mechanism, and the two will rotate relative to each other. The locking block 4 is square, and the handle 1 has a sliding groove 16 inside for the locking block 4 to slide and restrict the rotation of the locking block 4. When the insertion block of the linkage plate is inserted into the notch of the locking block, there is a linkage connection between the handle and the linkage mechanism. At this time, the two are connected as one. When the handle is turned, the square tongue can be unlocked by the linkage mechanism.

[0043] An elastic element 54 is provided between the linkage bushing 51 and the handle 1. The elastic element is a torsion spring, which provides an elastic preload force for the linkage bushing to reset.

[0044] The rotating wheel component 2 has a sloping groove 21 on its circumferential surface, and the locking block 4 has a connecting post 42 that is fixedly connected and whose end is inserted into the sloping groove 21. When the rotating wheel component rotates, the sloping groove will drive the locking block to slide laterally through the connecting post.

[0045] The combination lock assembly 3 includes a lock box 31, several positioning rods 32 axially arranged in the lock box 31, combination wheels 33 that are linked and cooperate with the positioning rods 32 one by one, and a moving frame 34. The positioning rods 32 are provided with notches and grooves 35 in the circumferential direction. The moving frame 34 is slidably installed in the lock box 31 and is provided with several windows 36 to avoid the combination wheels 33. The moving frame 34 is provided with several first pins 37 corresponding to the notches and grooves 35. The combination lock assembly in this embodiment is an outsourced component. Its working principle can be referred to as that of a combination lock for a suitcase. After the password is entered correctly, the first pins are aligned with all the notches and grooves, and the moving frame can move laterally a certain distance in the combination box. When the password is entered incorrectly, the first pins are misaligned with the notches and grooves, and the moving frame cannot move and always presses against the end face of the rotating wheel component.

[0046] The movable frame 34 is provided with a second pin 38 at one end facing the rotating wheel 2. The end of the rotating wheel 2 is provided with a groove 22. The rotating wheel 2 has a first state in which it can rotate freely when the second pin 38 is not inserted into the groove 22, and a second state in which it is restricted from rotating after the second pin 38 is inserted into the groove 22. After the password is entered correctly, the movable frame can move within an appropriate distance. When the rotating wheel is turned by hand, the second pin can be disengaged from the groove, allowing the rotating wheel to rotate freely, thereby driving the lock block to move.

[0047] The bottom of the groove 22 is smoothly connected to the end face of the rotating wheel 2. The second ejector pin 38 is V-shaped and has a rounded tip, which allows the second ejector pin to smoothly enter and exit the groove, ensuring the stability of the operation.

[0048] The handle 1 is also provided with a panel 11 for covering the lock box 31. The panel 11 is provided with a number of hollow holes 12 for the combination wheel 33 and the rotating wheel 2 to be exposed.

[0049] The handle 1 is provided with a cover plate 13 that is slidably installed and used to cover the combination lock assembly 3. The inner wall of the cover plate 13 is provided with iron sheet 14. The handle 1 is provided with a number of magnetic components 15 corresponding to the iron sheet 14. The magnetic components are magnets. The operator can slide open the cover plate and then operate the combination lock. After use, the operator can slide it to close the cover plate.

[0050] In the description of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0051] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0052] Please note to all technical personnel: Although this utility model has been described according to the specific embodiments above, the inventive concept of this utility model is not limited to this utility model. Any modification that utilizes the inventive concept will be included within the scope of protection of this patent.

Claims

1. A fast opening and locking combination padlock mechanism comprising a shackle (1) and a linkage mechanism (5) mounted in the shackle (1), characterized in that, Also includes: Rotary wheel (2), which is rotatably mounted in the handle (1); A combination lock assembly (3) is installed in the handle (1) and is used to lock and unlock the rotation of the rotating wheel (2); The locking block (4) is slidably installed inside the handle (1) and is linked to the rotating wheel (2); The locking block (4) has a first state in which it is driven by the rotating wheel (2) to approach and contact the linkage mechanism (5) and a second state in which it is driven by the rotating wheel (2) to move away from the linkage mechanism (5).

2. The fast-opening, combination padlock of claim 1, wherein: The linkage mechanism (5) includes: A linkage bushing (51) is rotatably mounted in the handle (1); Linkage plate (52), which is linked to the end of the linkage bushing (51); The linkage plate (52) has an insert (53) extending radially outward on its outer circumference. The locking block (4) has a notch (41) on the side facing the linkage plate (52) that is adapted to the insertion block (53).

3. The fast-opening, combination padlock of claim 2, wherein: An elastic element (54) is provided between the linkage bushing (51) and the handle (1).

4. The fast-opening, combination padlock of claim 1, wherein: The circumferential surface of the rotating wheel (2) is provided with a groove (21), and the locking block (4) is provided with a connecting post (42) that is fixedly connected and whose end is inserted into the groove (21).

5. The fast-opening, combination padlock of claim 1, wherein: The combination lock assembly (3) includes a lock box (31), a plurality of positioning rods (32) arranged axially in the lock box (31), combination wheels (33) that are linked and cooperate with the positioning rods (32), and a moving frame (34). The positioning rods (32) are provided with notches (35) in the circumferential direction. The moving frame (34) is slidably installed in the lock box (31) and is provided with a plurality of windows (36) that avoid the combination wheels (33). The moving frame (34) is provided with a plurality of first pins (37) corresponding to the notches (35).

6. The fast-opening, combination padlock of claim 5, wherein: The movable frame (34) is provided with a second pin (38) at one end facing the rotating wheel (2), and the end of the rotating wheel (2) is provided with a groove (22). The rotating wheel (2) has a first state in which it can rotate freely when the second pin (38) is not inserted into the groove (22) and a second state in which it is restricted from rotating after the second pin (38) is inserted into the groove (22).

7. The fast-opening, combination padlock of claim 6, wherein: The bottom of the groove (22) is smoothly connected to the end face of the rotating wheel (2), and the second ejector pin (38) is V-shaped with a rounded tip.

8. The fast-opening, combination padlock of claim 5, wherein: The handle (1) is also provided with a panel (11) for covering the lock box (31), and the panel (11) is provided with a number of hollow holes (12) for the password wheel (33) and the rotating wheel (2) to be exposed.

9. The fast-opening, combination padlock of claim 1, wherein: The handle (1) is provided with a cover plate (13) that is slidably installed and used to cover the combination lock assembly (3). The inner wall of the cover plate (13) is provided with an iron sheet (14). The handle (1) is provided with a number of magnetic suction pieces (15) corresponding to the iron sheet (14).

10. The fast-opening, combination padlock of claim 1, wherein: The lock block (4) is square, and the handle (1) is provided with a sliding groove (16) for the lock block (4) to slide and restrict the rotation of the lock block (4).