Handcuff-shaped lock
By introducing a linkage design between the elastic push block and the locking tongue in the handcuff-shaped lock, the problem of cumbersome operation of existing handcuff-shaped locks is solved, and the effects of automatic lock ring disengagement and simplified operation are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-27
- Publication Date
- 2026-04-07
AI Technical Summary
Existing handcuff-shaped locks require manual removal of the locking ring after unlocking, which is cumbersome.
A handcuff-shaped lock is designed. By setting an elastically installed push block inside the lock case, the elastic preload force causes the lock ring to automatically disengage when the bolt disengages. The operation is simplified by combining the elastic preload force of the bolt with the lock ring hook.
It achieves automatic disengagement of the locking ring during unlocking, eliminating the need for manual removal, making operation simpler and the structure more straightforward.
Smart Images
Figure CN224093172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lockset, concretely relates to a handcuff shape lock. BACKGROUND
[0002] Lockset refers to the utensil of closed function, including lock, key and its annex, the main function of lockset is to provide safety protection and theftproof function, ensures the safety of property and individual. The handcuff shape lock in prior art, needs to manually pull out the lock ring from the lock body after unlocking by the key, and there is the defect of complicated operation CONTENT OF UTILITY MODEL
[0003] In order to overcome the insufficient of background art, the utility model provides a handcuff shape lock with simple structure and convenient operation.
[0004] The utility model employs the technical scheme: a handcuff shape lock, it includes the lock ring and lock body that hinge connection in order to the first and last of several sections, the lock body includes lock shell, lock core and lock bolt that elastically installs in the lock shell, the lock core end and the lock bolt linkage connection, the lock ring end and the lock bolt hook cooperation, the lock shell is equipped with the push block that elastically installs and touches the front end of lock ring in.
[0005] The lock ring number is at least three sections.
[0006] The lock shell is equipped with the first sliding slot that push block sliding installation is provided at the position above the lock core, and the end position of the first sliding slot is equipped with spring seat, and the first elastic piece that touches both is equipped between the spring seat and push block.
[0007] The first sliding slot is equipped with guide groove on the inner wall of both sides, and the push block is equipped with the guide block that is matched with the guide groove on the surface of both sides.
[0008] The shell is installed outside the lock shell, and the shell is equipped with the cover plate for dust prevention at the position corresponding to the key insertion of the lock core.
[0009] The shell is equipped with the socket for key insertion, and the shell is equipped with the second sliding slot for the up-down sliding of the cover plate at the inboard position of the socket, and the cover plate is equipped with the elastic leg on both sides, and the second sliding slot is equipped with the gear slot on both side walls.
[0010] The lock shell is equipped with the third sliding slot for the sliding installation of the lock bolt at the front end position of the lock core, and the second elastic piece that touches both is equipped between the lower end of the lock bolt and the inner wall of the lock shell.
[0011] The lock core is equipped with the eccentric setting of the push block, and the lock bolt is equipped with the linkage groove for the insertion of the push block.
[0012] The linkage groove is opened on one side, and the size of the linkage groove is greater than the size of the push block.
[0013] Each locking ring has a silicone sleeve on its outer surface.
[0014] The beneficial effects of this utility model are as follows: By setting an elastically installed push block inside the lock housing, when the key is inserted to unlock, the elastic preload provided by the push block allows the lock ring to immediately exit from the lock housing when the bolt disengages from the lock ring, eliminating the need for manual removal of the lock ring; in addition, when the lock ring is inserted into the lock housing, the lock ring first overcomes the elastic preload of the bolt, and then the bolt rises under the action of the elastic preload and engages with the lock ring hook, which has the advantages of simple structure and convenient operation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the handcuff-shaped lock according to an embodiment of the present invention.
[0016] Figure 2 This is a schematic diagram of the lock case.
[0017] Figure 3 This is a schematic diagram of the disassembled structure of the outer shell.
[0018] Figure 4 A schematic diagram of the lock body after removing the lock shell. Detailed Implementation
[0019] The embodiments of this utility model will be further described below with reference to the accompanying drawings:
[0020] As shown in the figure, a handcuff-shaped lock includes several lock rings 1 that are hinged end to end in sequence, and a lock body. The lock body includes a lock shell 2, a lock cylinder 3, and a bolt 4 elastically installed in the lock shell 2. The end of the lock cylinder 3 is linked to the bolt 4. The end of the lock ring 1 engages with the bolt 4. The lock shell 2 is provided with a push block 5 elastically installed and abutting against the front end of the lock ring 1. This technical solution, by setting the push block elastically installed in the lock shell, allows the elastic preload provided by the push block to allow the lock ring to immediately exit from the lock shell when the bolt disengages from the lock ring when the key is inserted for unlocking, eliminating the step of manually pulling out the lock ring. In addition, when the lock ring is inserted into the lock shell, the lock ring first overcomes the elastic preload of the bolt, and then the bolt rises under the action of the elastic preload and engages with the lock ring hook. It has the advantages of simple structure and convenient operation.
[0021] The locking ring 1 has at least three sections, but can have three, four, or five sections. In this embodiment, the locking ring has four sections, which allows for a much greater unlocking angle than a two-section locking ring, resulting in better practicality and adaptability to more scenarios.
[0022] The lock housing 2 is provided with a first sliding groove 6 above the lock cylinder 3 for sliding installation of the push block 5. A spring seat 7 is provided at the end of the first sliding groove 6. A first elastic element 8 is provided between the spring seat 7 and the push block 5 to abut against each other. The first elastic element is a spring. The push block can slide laterally in the first sliding groove under force.
[0023] The first sliding groove 6 has guide grooves 9 on its upper and lower inner walls, and the push block 5 has guide blocks 10 on its upper and lower surfaces that are adapted to the guide grooves 9. The guide blocks slide in the guide grooves, and the guide grooves are straight to ensure the straight sliding of the push block.
[0024] The lock housing 2 is fitted with an outer shell 11. The outer shell 11 has a dust cover 12 at the position where the key is inserted into the lock cylinder 3. The cover can slide up and down to cover the lock cylinder and prevent dust from entering.
[0025] The outer casing 11 is provided with a key insertion port 13. The outer casing 11 is provided with a second sliding groove 14 for the cover plate 12 to slide up and down at the inner side of the insertion port 13. The cover plate 12 is provided with elastic support feet 15 on both sides. The second sliding groove 14 is provided with a stop groove 16 on both side walls. The elastic support feet on both sides of the cover plate are embedded in the stop groove by the elasticity of the material itself, which plays a positioning role.
[0026] The lock housing 2 has a third sliding groove 17 at the front end of the lock cylinder 3 for sliding installation of the bolt 4. A second elastic element 18 is provided between the lower end of the bolt 4 and the inner wall of the lock housing 2 to abut against each other. The second elastic element is a spring, which provides elastic preload for the bolt to slide in the third sliding groove.
[0027] The front end of the lock cylinder 3 is provided with an eccentrically positioned paddle 19, and the bolt 4 is provided with a linkage groove 20 for the paddle 19 to be inserted. The linkage groove 20 is open on one side, and the size of the linkage groove 20 is larger than the size of the paddle 19. When the lock cylinder is rotated by the key, the eccentrically positioned paddle can drive the bolt to move downward through the linkage groove. When the paddle moves upward vertically, the bolt will also move upward under the action of the second elastic element.
[0028] Each locking ring 1 is fitted with a silicone sleeve 21 on its outer surface for protection.
[0029] 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.
[0030] 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.
[0031] 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 modifications that utilize the inventive concept will be included within the scope of protection of this patent.
Claims
1. A handcuff-shaped lock, comprising a plurality of lock rings (1) sequentially hinged end-to-end and a lock body, characterized in that: The lock body includes a lock shell (2), a lock cylinder (3), and a bolt (4) elastically installed in the lock shell (2). The end of the lock cylinder (3) is linked to the bolt (4), and the end of the lock ring (1) is hooked to the bolt (4). The lock shell (2) is provided with a push block (5) elastically installed and abutting the front end of the lock ring (1).
2. The handcuff-shaped lock according to claim 1, characterized in that: The number of the locking rings (1) is at least three.
3. The handcuff-shaped lock according to claim 1, characterized in that: The lock housing (2) is provided with a first sliding groove (6) above the lock cylinder (3) for sliding installation of the push block (5). A spring seat (7) is provided at the end of the first sliding groove (6). A first elastic element (8) is provided between the spring seat (7) and the push block (5) to abut against each other.
4. The handcuff-shaped lock according to claim 3, characterized in that: The first sliding groove (6) has guide grooves (9) on its upper and lower inner walls, and the push block (5) has guide blocks (10) on its upper and lower surfaces that are adapted to the guide grooves (9).
5. The handcuff-shaped lock according to claim 1, characterized in that: The lock shell (2) is fitted with an outer shell (11), and the outer shell (11) has a dust cover (12) at the position where the key is inserted into the corresponding lock cylinder (3).
6. The handcuff-shaped lock according to claim 5, characterized in that: The outer casing (11) is provided with a key insertion port (13). The outer casing (11) is provided with a second sliding groove (14) for the cover plate (12) to slide up and down at the inner side of the insertion port (13). The cover plate (12) is provided with elastic support feet (15) on both sides. The second sliding groove (14) is provided with a stop groove (16) on both side walls.
7. The handcuff-shaped lock according to claim 1, characterized in that: The lock shell (2) is provided with a third sliding groove (17) at the front end of the lock cylinder (3) for sliding installation of the lock tongue (4), and a second elastic element (18) is provided between the lower end of the lock tongue (4) and the inner wall of the lock shell (2) to abut against each other.
8. The handcuff-shaped lock according to claim 7, characterized in that: The front end of the lock cylinder (3) is provided with an eccentrically positioned paddle (19), and the lock tongue (4) is provided with a linkage groove (20) for the paddle (19) to be inserted.
9. The handcuff-shaped lock according to claim 8, characterized in that: The linkage groove (20) has an opening on one side, and the size of the linkage groove (20) is larger than the size of the lever (19).
10. The handcuff-shaped lock according to claim 1, characterized in that: Each locking ring (1) is fitted with a silicone sleeve (21) on its outer surface.