Smart shackles with automatic retraction and extension of shackles
By designing intelligent shackles that can be automatically retracted and retracted, the use of curly wire and safe coiler, the inconvenience of traditional shackles in complex terrain and long-distance walking is solved, achieving longer strides and safety. Effectively control the suspect when escaping, reducing manufacturing costs.
Patent Information
- Application Number
- CN202110238786.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-03-04
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2041-03-04
AI Technical Summary
Traditional shackles are inconvenient in complex terrain and long-distance walking, which can easily lead to fall or injury to the suspect, and are costly to be manufactured and inconvenient to carry.
A smart shackle with automatic retracting and retracting shackles is designed, using a curly steel wire and a safe retracting device. It can automatically retract and retract through a scroll spring and locking block, increasing stride adaptability, and locking the wire when escaping. .
The suspect walks longer in complex environments, reduces the risk of falling and injury, reduces manufacturing costs, is easy to carry, and effectively controls the suspect when running away.
Smart Images

Figure CN112943000B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of law enforcement tools, and in particular to a smart anklet with automatically retractable shackles. Background Art
[0002] At present, in the process of arresting, escorting suspects, identifying the scene and other police work, light shackles and heavy shackles are mainly used to restrict the movement of criminal suspects. The iron chain between the two feet of light shackles is generally 30-40 cm long. Due to the small step arc, it is extremely inconvenient for suspects to walk in complex terrain, get on and off vehicles, stairs, and steps, and it is also easy to hurt their ankles; and when walking on muddy and gravel ground, the shackle chain is easy to get caught on obstacles and trip the suspect; and heavy shackles are generally 18-pound fixed bolt-type dead shackles, which are more harmful to the suspect's ankles.
[0003] When law enforcement units escorted the suspects of theft to Chongqing for identification, they had to walk a long distance and it was inconvenient to use traditional shackles, which caused the suspects to escape during the identification process. This has put forward higher requirements for police work such as escorting suspects and identifying the scene. Summary of the invention
[0004] In view of this, the problem to be solved by the present invention is to provide an intelligent shackle with automatically retractable shackles, by which the suspect can walk with a longer stride, adapt to various environments, will not fall and get injured, and has low manufacturing cost and is easy to carry.
[0005] The present invention solves the above-mentioned technical problems through the following technical means: The present invention provides an intelligent shackle with automatically retractable shackles, comprising two locking foot rings, a safety reel and a reelable steel wire, one end of the reelable steel wire is hingedly connected to one locking foot ring and the other end is curled on the safety reel, the safety reel is hingedly connected to the other locking foot ring, the safety reel comprises a main body, a swivel and a spiral spring, the outside of the main body is hingedly connected to the locking foot ring, a cavity is provided in the main body, the swivel and the spiral spring are provided in the cavity, one end of the spiral spring is connected to the main body and the other end is connected to the swivel, the swivel is rotatably arranged on the main body, a winding portion is provided on the outer wall of the swivel, and the reelable steel wire is wound on the winding portion.
[0006] Furthermore, the swivel also includes a chassis and a locking block, a winding box for retracting and releasing the spiral spring is provided on the lower end surface of the chassis, a mounting portion is provided on the winding box, one end of the spiral spring is fixedly mounted on the mounting portion, the winding portion is arranged on the upper end surface of the chassis, the locking block is slidably arranged on the winding portion, the locking block is connected to the winding portion through a return spring, one end of the return spring is connected to the locking block and the other end is connected to the swivel, and one end of the coilable steel wire is fixed on the winding portion and then coiled on the winding portion.
[0007] Furthermore, a locking tooth is provided on the outer end surface of the locking block facing one end of the inner wall of the main body, and a locking groove corresponding to the locking tooth is provided on the cavity wall of the main body. The locking groove is arranged around the inner wall of the cavity, and the locking groove and the locking tooth are on the same plane. When the locking block slides out, the locking tooth is inserted into the locking groove to prevent the rotation of the swivel.
[0008] Furthermore, a slider is provided on the locking block, and a waist-shaped groove for movement of the slider is provided on the winding portion.
[0009] Furthermore, the main body includes an upper part and a lower part, a rotating shaft is provided at the center position of the lower part, a clamping slot is provided on the rotating shaft, a rotating hole corresponding to the rotating shaft is provided at the center of the lower end surface of the chassis, the rotating shaft is rotatably connected to the rotating hole through a bearing, and one inner end of the spiral spring is fixedly mounted on the clamping slot.
[0010] Furthermore, a positioning shaft is also provided on the inner wall of the upper part, and the positioning shaft is coaxial with the rotating shaft. A positioning hole corresponding to the positioning shaft is provided on the upper end surface of the rotating body. A through hole for the curled steel wire to pass through is provided on the peripheral wall of the upper or lower part, and a smooth wear-resistant layer is provided on the through hole.
[0011] Furthermore, the length of the coilable steel wire is 50 to 70 centimeters. When the spiral spring is fully reset, the coilable steel wire is fully retracted onto the retracting portion. When the coilable steel wire is retracted onto the retracting portion, the spiral spring is in a reset state. When the spiral spring is tightened, the coilable steel wire is fully extended.
[0012] Furthermore, a lock body box is arranged on the locking foot ring, a positioning element is arranged in the lock body box, and a shock absorbing device and a waterproof layer are arranged around the positioning element.
[0013] Furthermore, the positioning element includes a battery, a processor and a signal transmitter, and the two locking foot rings are also respectively provided with a distance detection device and a receiver for detecting the distance between the two locking foot rings.
[0014] It can be seen from the above technical scheme that the beneficial effects of the present invention are as follows: the present invention provides a smart shackle with automatically retractable shackles, including two locking anklets, a safety reel and a reelable steel wire, one end of the reelable steel wire is hingedly connected to a locking anklet and the other end is curled on the safety reel, the safety reel is hingedly connected to the other locking anklet, the safety reel includes a body, a swivel and a spiral spring, the outside of the body is hingedly connected to the locking anklet, a cavity is arranged in the body, the swivel and the spiral spring are arranged in the cavity, one end of the spiral spring is connected to the body and the other end is connected to the swivel, the swivel is rotatably arranged on the body, a reeling portion is arranged on the outer wall of the swivel, and the reelable steel wire is reeled on the reeling portion. Using the shackles, suspects can walk with a longer stride, adapt to various environments, will not fall and get injured, and have low manufacturing costs and are easy to carry. At the same time, when the suspect wants to escape and accelerates, the locking block is pulled out and inserted into the tooth groove under the action of centrifugal force and locked, thereby locking the wire shackle and controlling the suspect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.
[0016] Figure 1 A three-dimensional structural diagram of the intelligent shackle device with automatically retractable shackles provided by the present invention;
[0017] Figure 2 A schematic diagram of an explosion of a safety retractor of an intelligent shackle device capable of automatically retracting and releasing the shackle chain provided by the present invention;
[0018] Figure 3 A schematic diagram of the internal installation of a safety retractor of an intelligent shackle device with automatically retractable shackle chains provided by the present invention;
[0019] Figure 4 A schematic diagram of a rotating body of the intelligent shackle device with automatically retractable shackles provided by the present invention;
[0020] Figure 5 for Figure 4 A cross-sectional view of
[0021] Figure 6 A schematic diagram of the upper portion of the intelligent shackle device with automatically retractable shackle chains provided by the present invention.
[0022] Reference numerals:
[0023] 1-locking foot ring; 2-safety reel; 3-reelable wire; 21-main body; 22-swivel; 23-volute spring; 221-chassis; 222-reeling part; 223-locking block; 224-reeling box; 225-return spring; 226-locking tooth; 227-rotating hole; 228-positioning hole; 211-upper part; 212-lower part; 213-locking groove; 214-positioning shaft; 215-rotating shaft; 216-waist-shaped groove; 217-through hole. DETAILED DESCRIPTION
[0024] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.
[0025] See also Figures 1 to 6 The present invention provides an intelligent shackle with automatically retractable shackles, comprising two locking foot rings 1, a safety reel 2 and a reelable steel wire, one end of the reelable steel wire is hingedly connected to one locking foot ring 1 and the other end is curled on the safety reel, the safety reel 2 is hingedly connected to the other locking foot ring 1, the safety reel 2 comprises a main body 21, a swivel 22 and a spiral spring 23, the exterior of the main body 21 is hingedly connected to the locking foot ring 1, a cavity is provided in the main body 21, the swivel 22 and the spiral spring 23 are provided in the cavity, one end of the spiral spring 23 is connected to the main body 21 and the other end is connected to the swivel 22, the swivel 22 is rotatably provided on the main body 21, a winding portion 222 is provided on the outer wall of the swivel 22, and the reelable steel wire is wound on the winding portion 222. By providing the safety reel 2 and the reelable wire, the reelable wire 3 is reeled into the safety reel 2 when not in use, which saves space, reduces weight, and is easy to carry. Preferably, a spiral groove is provided on the reeling portion 222 to facilitate the reeling of the reelable wire and prevent the reelable wire from being scattered.
[0026] As a further improvement of the above technical solution, the swivel 22 also includes a chassis 221 and a locking block 223. A winding box 224 for retracting and releasing the spiral spring 23 is arranged on the lower end surface of the chassis 221, and a mounting portion is arranged on the winding box 224. One end of the spiral spring 23 is fixedly mounted on the mounting portion, and the winding portion 222 is arranged on the upper end surface of the chassis 221. The locking block 223 is slidably arranged on the winding portion 222. The locking block 223 is connected to the winding portion 222 through a return spring 225. One end of the return spring 225 is connected to the locking block 223 and the other end is connected to the swivel 22. One end of the coilable steel wire is fixed on the winding portion 222 and then coiled on the winding portion 222. The inner end of the spiral spring 23 is fixed on the body 21, and the outer end of the spiral spring 23 is fixed on the wall of the winding box 224. The spiral spring 23 is protected by arranging the winding box 224 at the lower end of the chassis 221 and installing the spiral spring 23 in the winding box 224 to prevent the spiral spring 23 from spreading.
[0027] As a further improvement of the above technical solution, a locking tooth 226 is provided on the outer end surface of the locking block 223 facing the inner wall of the main body 21, and a locking groove 213 corresponding to the locking tooth 226 is provided on the cavity wall of the main body 21. The locking groove 213 is arranged along the inner wall of the cavity for a circle. The locking groove 213 is arranged along the inner wall of the cavity for a circle, so that no matter which direction the locking block 223 is rotated to, it can be inserted into the locking groove 213 for locking after flying out. The locking groove 213 and the locking tooth 226 are on the same plane. When the locking block 223 slides out, the locking tooth 226 is inserted into the locking groove 213 to prevent the rotation of the swivel 22.
[0028] As a further improvement to the above technical solution, a slider is provided on the locking block 223, and a waist-shaped groove 216 for the movement of the slider is provided on the winding portion 222. A slider is provided on the locking block 223 and a waist-shaped groove 216 is provided on the upper end of the winding portion 222, so that the locking block 223 can move within the limited range of the waist-shaped groove 216 to prevent the locking block 223 from flying out and being unable to return to its original position when the acceleration is too large. Preferably, the waist-shaped groove 216 is set to an arc shape to facilitate the locking block 223 to fly out under the action of centrifugal force and to return to its original position under the action of the return spring 225. Specifically, according to the requirements, the pull-out acceleration of the coiled steel wire 3 is greater than 1.5~2 m / s 2 When the locking block 223 and the elastic force of the return spring 225 are selected accordingly.
[0029] As a further improvement to the above technical solution, the body 21 includes an upper part 211 and a lower part 212, a rotating shaft 215 is provided at the center of the lower part 212, a slot is provided on the rotating shaft 215, a rotating hole corresponding to the rotating shaft 215 is provided at the center of the lower end surface of the chassis, the rotating shaft 215 is rotatably connected to the rotating hole through a bearing, and one end of the inner part of the spiral spring 23 is fixedly mounted on the slot. The locking groove 213 is provided on the inner wall of the upper part 211, and when the locking block 223 is thrown out under the action of centrifugal force, the locking tooth 226 is inserted into the locking groove 213 to fix the swivel 22, prevent the swivel 22 from rotating, and limit the extension of the reelable steel wire 3, so that the suspect cannot take a step, thereby achieving the purpose of controlling the suspect.
[0030] As a further improvement of the above technical solution, the inner wall of the upper part 211 is also provided with a positioning shaft 214, and the positioning shaft 214 is coaxial with the rotating shaft 215. A positioning hole corresponding to the positioning shaft 214 is provided on the upper end surface of the rotating body 22, and a through hole 217 for the coiled steel wire 3 to pass through is provided on the peripheral wall of the upper part 211 or the lower part 212, and a smooth wear-resistant layer is provided on the through hole 217. A positioning shaft 214 coaxial with the rotating shaft 215 is provided on the inner wall of the upper part 211 to prevent the rotating body 22 from shaking or moving in the axial direction during rotation. At the same time, a through hole 217 for passing the coiled steel wire 3 is provided on the peripheral wall of the upper part 211 or the lower part 212. The size of the through hole 217 is slightly larger than the size of the coiled steel wire 3. The through hole is set in a long strip shape to facilitate the up and down movement of the coiled steel wire during winding or releasing so that it can be more neatly wound onto the winding part, so that the rotating body 22, the spiral spring 23 and the locking block 223 are all closed in the inner cavity of the main body 21, and the coiled steel wire 3 passes through the through hole 217 to prevent the suspect from damaging it; further, a smooth wear-resistant layer is provided on the through hole 217 to facilitate the extension or retraction of the coiled steel wire 3 and reduce the wear of the coiled steel wire 3 and the through hole 217. Preferably, the upper part 211 and the lower part 212 are connected by a high-strength fixing bolt, or the upper part 211 and the lower part 212 are directly connected by welding to prevent damage by suspects.
[0031] As a further improvement to the above technical solution, the length of the coilable steel wire is 50-70 cm, and the coilable steel wire is completely rolled onto the roll-up portion 222 when the volute spring 23 is fully reset, and the coilable steel wire is in a reset state when the volute spring 23 is rolled onto the roll-up portion 222, and the coilable steel wire is fully extended when the volute spring 23 is tightened. The steel wire rope is set to 50-70 cm, and the suspect can take a step of about 60 cm when walking with the shackles provided by the present invention, which allows the suspect to go up and down stairs and walk conveniently in mountainous terrain, and at the same time, it will not cause abrasions or tripping due to taking large steps.
[0032] As a further improvement to the above technical solution, the locking leg ring is provided with a lock box, a positioning element is provided in the lock box, a shock absorbing device and a waterproof layer are provided around the positioning element, and the positioning element includes a battery, a processor and a signal transmitter. By providing the positioning element, the positioning element is activated after the shackles are put on the suspect or prisoner, so that the position of the suspect or prisoner can be grasped at any time to prevent him from escaping.
[0033] As a further improvement to the above technical solution, the two locking foot rings are also provided with a distance detection device and a receiver for detecting the distance between the two locking foot rings, and a speaker is provided in the lock body box for issuing an alarm sound. By respectively providing a distance detection device and a receiver on the two locking foot rings to detect the distance between the two locking foot rings, when the distance between the two locking foot rings is greater than the maximum length of the coilable steel wire, it indicates that the coilable steel wire is damaged, and an alarm sound is issued and an alarm signal is issued through the signal transmitter to alert the surrounding personnel.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.
Claims
1. A smart anklet with automatically retractable shackles, characterized in that: The invention comprises two locking foot rings (1), a safety reel (2) and a coilable steel wire (3), wherein one end of the coilable steel wire (3) is hingedly connected to one locking foot ring (1) and the other end is coiled on the safety reel (2), the safety reel (2) is hingedly connected to the other locking foot ring (1), the safety reel (2) comprises a body (21), a swivel (22) and a spiral spring (23), the outside of the body (21) is hingedly connected to the locking foot ring (1), a cavity is arranged in the body (21), the swivel (22) and the spiral spring (23) are arranged in the cavity, one end of the spiral spring (23) is connected to the body (21) and the other end is connected to the swivel (22), the swivel (22) is rotated The rotating body (22) is rotatably arranged on the main body (21), a winding portion (222) is arranged on the outer wall of the rotating body (22), and the coilable steel wire (3) is wound on the winding portion (222), the rotating body (22) further comprises a chassis (221) and a locking block (223), a winding box (224) for winding and releasing the spiral spring (23) is arranged on the lower end surface of the chassis (221), and a mounting portion is arranged on the winding box (224), one end of the spiral spring (23) is fixedly mounted on the mounting portion, the winding portion (222) is arranged on the upper end surface of the chassis (221), and the locking block (223) is slidably arranged on the winding portion (222), and the locking block (223) is connected to the winding portion (222) by a return spring (225). The locking member (222) is connected to the main body (21), one end of the return spring (225) is connected to the locking block (223) and the other end is connected to the swivel (22), one end of the coilable steel wire (3) is fixed to the coiling member (222) and then coiled on the coiling member (222), a locking tooth (226) is provided on the outer end surface of the locking block (223) facing the inner wall of the main body (21), a locking groove (213) corresponding to the locking tooth (226) is provided on the cavity wall of the main body (21), the locking groove (213) is arranged along the inner wall of the cavity, the locking groove (213) and the locking tooth (226) are on the same plane, and when the locking block (223) slides out, the locking tooth (226) is inserted into the locking groove (213). The rotation of the rotating body (22) is prevented, the locking block (223) is provided with a slider, the winding portion (222) is provided with a waist-shaped groove (216) for the slider to move, the body (21) comprises an upper portion (211) and a lower portion (212), a rotating shaft (215) is provided at the center of the lower portion (212), a clamping groove is provided on the rotating shaft (215), a rotating hole corresponding to the rotating shaft (215) is provided at the center of the lower end surface of the chassis, the rotating shaft (215) is rotatably connected to the rotating hole through a bearing, one end of the inner part of the volute spring (23) is fixedly mounted on the clamping groove, a positioning shaft (214) is further provided on the inner wall of the upper portion (211), and the positioning shaft (214) is coaxial with the rotating shaft (215),A positioning hole corresponding to the positioning shaft (214) is provided on the upper end surface of the rotating body (22); a through hole (217) for the curlable steel wire (3) to pass through is provided on the peripheral wall of the upper part (211) or the lower part (212); a smooth wear-resistant layer is provided on the through hole (217); a lock body box is provided on the locking foot ring; a positioning element is provided in the lock body box; a shock absorbing device and a waterproof layer are provided around the positioning element; the positioning element includes a battery, a processor and a signal transmitter.
2. The smart anklet with automatically retractable shackles according to claim 1, characterized in that: The length of the coilable steel wire (3) is 50 to 70 centimeters. When the spiral spring (23) is fully reset, the coilable steel wire (3) is fully retracted onto the retracting portion (222). When the coilable steel wire (3) is retracted onto the retracting portion (222), the spiral spring (23) is in a reset state. When the spiral spring (23) is tightened, the coilable steel wire (3) is fully extended.
3. The smart anklet with automatically retractable shackles according to claim 1, characterized in that: The two locking foot rings are also respectively provided with a distance detection device and a receiver for detecting the distance between the two locking foot rings.
