Emergency unlocking device for wireless electric control traction rope
By using a wirelessly controlled emergency unlocking device for the traction rope, the locking tongue is disengaged by short-circuiting the conductive wire through circuit control, which solves the problem that existing anti-lost traction ropes cannot be disconnected in time, thus ensuring safety.
Patent Information
- Application Number
- CN202422909447.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing anti-lost leashes cannot be disconnected in time in emergencies, posing a safety hazard.
Design a wirelessly controlled emergency unlocking device for a traction rope. Through circuit control between the main control box and the lock control box, the locking tongue is disengaged by short-circuiting the conductive wire, thus disconnecting the traction rope in time.
In an emergency, pressing the control button will short-circuit the conductive wire, causing the locking tongue to disengage and the traction rope to disconnect in time, thus preventing an accident.
Smart Images

Figure CN223523538U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of traction ropes, specifically to a wirelessly controlled traction rope emergency unlocking device. Background Technology
[0002] Anti-lost leashes are safety products typically used to prevent young children / pets from getting lost or having accidents in public places. Anti-lost leashes are generally made of plastic or other durable materials, are retractable, and have a wristband at each end to be worn on the wrist of the adult and child / attached to the pet, maintaining a connection within a certain distance. This design can prevent children / pets from getting lost to some extent. However, existing anti-lost leashes may not be able to disconnect in time during emergencies, potentially creating safety hazards. For example, if a vehicle approaches urgently and the leash cannot be disconnected in time, a collision could easily occur. Utility Model Content
[0003] This utility model provides an emergency unlocking device for a wirelessly controlled traction rope, the main purpose of which is to overcome the problem that existing anti-lost traction ropes cannot be disconnected in time in an emergency.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A wirelessly controlled traction rope emergency unlocking device includes a main control box, a locking control box, and a traction rope connecting the main control box and the locking control box. The main control box contains a main control circuit board, a control button, and a battery. The control button and battery are electrically connected to the main control circuit board. The control button is pressable and located on the top of the main control box. The locking control box contains a locking control circuit board, a conductive wire, a battery pack, a first locking bolt, and a second locking bolt. The conductive wire and battery pack are electrically connected to the locking control circuit board. One end of the conductive wire is fixedly connected to the locking control box, and the other end of the conductive wire is connected to the first locking bolt. One end of the two locking tongues is fixedly connected, the middle of the second locking tongue is rotatably connected to the lock control box, the other end of the second locking tongue is engaged with one end of the first locking tongue, the other end of the first locking tongue is rotatably connected to the lock control box, the first locking tongue has a latch, one end of the latch extends out of the lock control box, when the conductive wire is short-circuited, it contracts to cause the second locking tongue to rotate and disengage from the first locking tongue, after the first locking tongue disengages from the second locking tongue, it rotates and causes the latch to disengage from the first locking tongue, the main control circuit board has a signal transmitting module, and the lock control circuit board has a signal receiving module.
[0006] Further, the lock control box is provided with a conductive wire connecting part and a lock tongue supporting column, one end of the conductive wire extends into the conductive wire connecting part and is locked with the conductive wire connecting part through a first self-tapping screw, the bottom surface of one end of the second lock tongue abuts against the top surface of the lock tongue supporting column, the other end of the conductive wire is located at the top surface of one end of the second lock tongue, and the other end of the conductive wire is locked with one end of the second lock tongue through a second self-tapping screw.
[0007] Further, the lock control box is provided with a conductive wire connecting part and a lock tongue supporting column, one end of the conductive wire extends into the conductive wire connecting part and is locked with the conductive wire connecting part through a first self-tapping screw, the bottom surface of one end of the second lock tongue abuts against the top surface of the lock tongue supporting column, the other end of the conductive wire is located at the top surface of one end of the second lock tongue, and the other end of the conductive wire is locked with one end of the second lock tongue through a second self-tapping screw.
[0008] Further, the lock control box is provided with a second shaft, the outer periphery of the second shaft is provided with a second torsional spring for supporting the second torsional spring, the middle part of the second lock tongue is sleeved on the second shaft, the second torsional spring is located below the second lock tongue, the outer periphery of the second shaft is provided with a plurality of second supporting plates for supporting the second torsional spring, one end of the second torsional spring abuts against the lock control box, and the other end of the second torsional spring abuts against the second lock tongue.
[0009] Further, the lock control box is provided with a first shaft, the outer periphery of the first shaft is provided with a first torsional spring, the other end of the first lock tongue is sleeved on the first shaft, the first torsional spring is located below the first lock tongue, one end of the first torsional spring abuts against the lock control box, and the other end of the first torsional spring abuts against the first lock tongue.
[0010] Further, the other end of the second lock tongue is provided with a clamping groove, the clamping groove is formed with a clamping step, one end of the first lock tongue is provided with a clamping part, and the clamping part is clamped on the clamping step.
[0011] Further, the first lock tongue is provided with a locking groove with an open end, one side of the locking groove is formed with a lock rod, the length of the lock rod is smaller than the overall length of the first lock tongue, and the other end of the lock rod is located in the locking groove and hooks the lock rod.
[0012] Further, the lock control box is provided with a first arc-shaped rib and a second arc-shaped rib, the first arc-shaped rib and the second arc-shaped rib are V-shaped, one end of the first lock tongue is located at the top surface of the first arc-shaped rib, and the other end of the second lock tongue is located at the top surface of the second arc-shaped rib.
[0013] Further, the lock control circuit board is provided with a charging interface for charging the battery pack.
[0014] Further, one end of the first lock tongue is provided with a circular arc surface, and the other end of the second lock tongue is provided with an inclined surface matched with the circular arc surface.
[0015] From the above description of the utility model, compared with the prior art, the utility model has the following advantages: the main control box is sleeved on the wrist of adult through the bracelet, the lock catch on the lock control box is connected with the child bracelet, the harness, the schoolbag or the traction ring on the pet, when the emergency occurs, the control button is pressed, at this time, the signal transmission module on the main control circuit board sends the signal to the signal receiving module on the lock control circuit board, when the lock control circuit board receives the signal, the electrically conductive wire is discharged, so that the electrically conductive wire is in the short circuit state, the electrically conductive wire will contract when short circuit, further pull the second lock tongue to rotate and separate from the first lock tongue, the first lock tongue and the second lock tongue separate after rotating and make the lock catch separate from the first lock tongue, at this time, the lock control box separates from the child bracelet, the harness, the schoolbag or the traction ring on the pet in time, so that the accident caused by the separation of the traction rope is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure exploded view of the utility model.
[0017] Figure 2 It is the structure view of the main control box of the utility model.
[0018] Figure 3 It is the structure view of the lock control box of the utility model.
[0019] Figure 4 It is the structure exploded view of the lock control box of the utility model.
[0020] Figure 5 It is the state diagram when the lock catch of the utility model is locked.
[0021] Figure 6 It is the state diagram when the lock catch of the utility model is separated. DETAILED DESCRIPTION
[0022] Refer to Figures 1 to 6The utility model relates to a wireless radio control traction rope emergency unlocking device, including main control box 1, lock control box 2 and the traction rope 3 connected between main control box 1 and lock control box 2, main control box 1 includes the main control lower cover 4 and the main control upper cover 5 connected with each other, and lock control box 2 includes the lock control lower cover 6 and the lock control upper cover 7 connected with each other. Main control circuit board 8, control button 9 and battery 10 are equipped in main control box 1, control button 9 and battery 10 are electrically connected with main control circuit board 8, and control button 5 is pressurizedly located in the main control upper cover 5 of main control box 1, and the top surface of main control upper cover 5 is equipped with button face sticker 11. Lock control circuit board 12, conducting wire 13, battery pack 14, first lock tongue 15 and second lock tongue 16 are equipped in lock control box 2, specifically, lock control circuit board 12, conducting wire 13, battery pack 14, first lock tongue 15 and second lock tongue 16 are equipped in the lock control lower cover 6 of lock control box 2. Conducting wire 13 and battery pack 14 are electrically connected with lock control circuit board 12, one end of conducting wire 13 is fixedly connected in the lock control lower cover 6 of lock control box 2, the other end of conducting wire 13 is fixedly connected with one end of second lock tongue 16, the middle part of second lock tongue 16 is rotatably connected with the lock control lower cover 6 of lock control box 2, the other end of second lock tongue 16 is clamped with one end of first lock tongue 15, the other end of first lock tongue 15 is rotatably connected with the lock control lower cover 6 of lock control box 2, first lock tongue 15 hooks lock catch 17, and one end of lock catch 17 extends out of lock control box 2. When conducting wire 13 is short-circuited, the contraction promotes the rotation of second lock tongue 16 and the disengagement from first lock tongue 15, after the disengagement of first lock tongue 15 and second lock tongue 16, the rotation promotes the disengagement of lock catch 17 and first lock tongue 15, main control circuit board 8 has signal transmitting module, lock control circuit board 12 has signal receiving module, the signal transmitting module is used to send signal and is received by signal receiving module, the signal transmission between signal transmitting module and signal receiving module is prior art, and here will not be repeated. The charging interface 40 for charging battery pack 14 is equipped on lock control circuit board 12.
[0023] Refer to Figure 4 And Figure 5, the lock control box 2 is provided with a conductive wire connecting part 18 and a lock tongue supporting column 19 in the lock control lower cover 6, one end of the conductive wire 13 extends into the conductive wire connecting part 18 and is locked with the conductive wire connecting part 18 through a first self-tapping screw 20. The bottom surface of one end of the second lock tongue 16 abuts against the top surface of the lock tongue supporting column 19, the other end of the conductive wire 13 is located on the top surface of one end of the second lock tongue 16, and the other end of the conductive wire 13 is locked with one end of the second lock tongue 16 through a second self-tapping screw 21. The lock control box 2 is provided with a rotating wheel shaft 22 in the lock control lower cover 6, a rotating wheel 23 is sleeved on the rotating wheel shaft 22, a plurality of rotating wheel supporting plates 24 for supporting the rotating wheel 23 are arranged on the outer periphery of the rotating wheel shaft 22, the conductive wire 13 passes around the rotating wheel 23, the conductive wire 13 is in L shape after passing around the rotating wheel 23, and the rotating wheel 23 can rotate around the rotating wheel shaft 22. The rotating wheel 23 plays a transition role on the conductive wire 13, and can rotate when the conductive wire 13 is retracted.
[0024] Referring to Figure 4 and Figure 5 , the lock control box 2 is provided with a second shaft rod 25 in the lock control lower cover 6, a second torsion spring 26 is sleeved on the outer periphery of the second shaft rod 25, the middle part of the second lock tongue 16 is sleeved on the second shaft rod 25, the second torsion spring 26 is located below the second lock tongue 16, a plurality of second supporting plates 27 for supporting the second torsion spring 26 are arranged on the outer periphery of the second shaft rod 25, and the second lock tongue 16 can rotate around the second shaft rod 25. One end of the second torsion spring 26 abuts against the inside of the lock control box 2, the other end of the second torsion spring 26 abuts against the second lock tongue 16, specifically, the lock control lower cover 6 of the lock control box 2 is provided with a torsion spring abutting column 28, the other end of the second lock tongue 16 is provided with a second torsion spring groove 29, one end of the second torsion spring 26 abuts against the torsion spring abutting column 28, and the other end of the second torsion spring 26 abuts against the second torsion spring groove 29.
[0025] Referring to Figure 4 and Figure 5 , the lock control box 2 is provided with a first shaft rod 30 in the lock control lower cover 6, a first torsion spring 31 is sleeved on the outer periphery of the first shaft rod 30, the other end of the first lock tongue 15 is sleeved on the first shaft rod 30, and the first lock tongue 15 can rotate around the first shaft rod 30. The first torsion spring 31 is located below the first lock tongue 15, one end of the first torsion spring 31 abuts against the inside of the lock control box 2, the other end of the first torsion spring 31 abuts against the first lock tongue 15, and specifically, one end of the first lock tongue 15 is provided with a first torsion spring groove 32, one end of the first torsion spring 31 abuts against the conductive wire connecting part 18, and the other end of the first torsion spring 31 abuts against the first torsion spring groove 32.
[0026] Referring to Figure 5 and Figure 6The other end of the second lock tongue 16 is provided with a clamping groove 33, which is formed with a clamping step 34. One end of the first lock tongue 15 is provided with a clamping part 35, which is clamped on the clamping step 34. When the lock catch 17 is locked on the first lock tongue 15, the clamping part 35 abuts against the clamping step 34. The first lock tongue 15 is provided with a locking groove 36 with an open end. One side of the locking groove 36 is formed with a lock catch rod 37, which has a length less than the overall length of the first lock tongue 15. The other end of the lock catch 17 is located in the locking groove 36 and hooks the lock catch rod 37. One end of the first lock tongue 15 is provided with a circular arc surface 41, and the other end of the second lock tongue 16 is provided with an inclined surface 42 matched with the circular arc surface 41.
[0027] With reference to Figures 4 to 6 The lock control box 2 is provided with a first arc-shaped rib 38 and a second arc-shaped rib 39 in the lock control lower cover 6. The first arc-shaped rib 38 and the second arc-shaped rib 39 are V-shaped. One end of the first lock tongue 15 is located on the top surface of the first arc-shaped rib 38, and the other end of the second lock tongue 16 is located on the top surface of the second arc-shaped rib 39.
[0028] With reference to Figures 1 to 6The utility model discloses a design principle as follows: the main control box 1 is through bracelet cover adult wrist, and the lock catch 17 on lock control box 2 is connected with the traction ring on children bracelet, braces, schoolbag or pet. Under normal use, the first lock bolt 15's card part 35 is clamped on the card step 34 of second lock bolt 16, and the other end of lock catch 17 is located in locking groove 36 and hooks lock catch bar 37. When emergency occurs, press control button 9, at this time, the signal transmission module on main control circuit board 8 sends signal to the signal receiving module on lock control circuit board 12, when lock control circuit board 12 receives signal, discharges the conducting wire 13, and makes the conducting wire 143 be in short circuit state, the conducting wire 13 is titanium alloy conducting wire, and when it is short-circuited, it will shrink, and then pull one end of second lock bolt 16 and make second lock bolt 16 rotate, when second lock bolt 16 rotates, the other end thereof rotates along the direction of second arc-shaped rib 39, so that the card part 35 of first lock bolt 15 is separated from the card step 34 of second lock bolt 16, under the action of first torsion spring 31, first lock bolt 15 rotates along the direction of first arc-shaped rib 38, and makes lock catch 17 separate from locking groove 36 and lock catch bar 37 of first lock bolt 15, at this time, lock control box 2 separates from the traction ring on children bracelet, braces, schoolbag or pet in time, after lock catch 17 separates from first lock bolt 15, under the action of second torsion spring 26, second lock bolt 16 resets automatically. When lock catch 17 needs to be used again, insert lock catch 17, first lock bolt 15 resets under the pressure of lock catch 17, in the process of resetting, under the cooperation of the arc surface 41 of first lock bolt 15 and the inclined surface 42 of second lock bolt 16, second lock bolt 16 will rotate automatically until the card part 35 of first lock bolt 15 is clamped on the card step 34 of second lock bolt 16 again, at this time, the other end of lock catch 17 is located in locking groove 36 again and hooks lock catch bar 37.
[0029] The above is merely a specific implementation manner of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using the concept should belong to the act of infringing the protection scope of the utility model.
Claims
1. A wireless radio controlled rope emergency unlocking device, characterized in that: The utility model relates to a lock control box, and the utility model discloses a lock control box and a main control box are connected through the traction rope, and the main control box is equipped with the main control circuit board, control button and battery, and the control button and battery are electrically connected with the main control circuit board, and the control button is pressable in the top of main control box, and the lock control box is equipped with the lock control circuit board, conducting wire, battery package, first lock bolt and second lock bolt, and the conducting wire and battery package are electrically connected with the lock control circuit board, and one end of conducting wire is fixedly connected in the lock control box, and the other end of conducting wire is fixedly connected with one end of second lock bolt, and the middle part of second lock bolt is rotatably connected with the lock control box, and the other end of second lock bolt is clamped with one end of first lock bolt, and the other end of first lock bolt is rotatably connected with the lock control box, and the first lock bolt hooks the lock catch, and one end of lock catch stretches out from the lock control box, and when the conducting wire is short-circuited, the second lock bolt is rotated and separated from the first lock bolt, and the first lock bolt rotates and separates from the lock catch after the second lock bolt is separated from the first lock bolt, and the main control circuit board has signal transmitting module, and the lock control circuit board has signal receiving module.
2. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that The lock control box is equipped with conducting wire connecting part and lock bolt support column, one end of conducting wire stretches into conducting wire connecting part and is locked with conducting wire connecting part through a first self-tapping screw, and the bottom surface of one end of second lock bolt abuts against the top surface of lock bolt support column, and the other end of conducting wire is located on the top surface of one end of second lock bolt, and the other end of conducting wire is locked with one end of second lock bolt through a second self-tapping screw.
3. A radio controlled traction rope emergency unlocking device as claimed in claim 2, characterized in that: The lock control box is equipped with rotating shaft, and rotating wheel is sleeved on rotating shaft, and the outer periphery of rotating shaft is equipped with a plurality of rotating wheel support plates for supporting rotating wheel, and conducting wire passes through rotating wheel, and conducting wire is in L shape after passing through rotating wheel.
4. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The lock control box is equipped with second shaft, and second torsional spring is sleeved on the outer periphery of second shaft, and the middle part of second lock bolt is sleeved on second shaft, and second torsional spring is located below second lock bolt, and the outer periphery of second shaft is equipped with a plurality of second support plates for supporting second torsional spring, and one end of second torsional spring abuts against in the lock control box, and the other end of second torsional spring abuts against on second lock bolt.
5. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The lock control box is equipped with first shaft, and first torsional spring is sleeved on the outer periphery of first shaft, and the other end of first lock bolt is sleeved on first shaft, and first torsional spring is located below first lock bolt, and one end of first torsional spring abuts against in the lock control box, and the other end of first torsional spring abuts against on first lock bolt.
6. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The other end of second lock bolt is equipped with clamping groove, and the clamping groove forms a clamping step, and one end of first lock bolt is equipped with clamping part, and the clamping part is clamped on the clamping step.
7. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The first lock bolt is equipped with locking groove with one end being open, and the locking groove forms lock catch lever on one side, and the length of lock catch lever is less than the overall length of first lock bolt, and the other end of lock catch is located in locking groove and hooks lock catch lever.
8. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The lock control box is internally provided with a first arc-shaped rib and a second arc-shaped rib, the first arc-shaped rib and the second arc-shaped rib are V-shaped, one end of the first lock tongue is located on the top surface of the first arc-shaped rib, and the other end of the second lock tongue is located on the top surface of the second arc-shaped rib.
9. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: The lock control circuit board is provided with a charging interface for charging the battery pack.
10. A radio controlled traction rope emergency unlocking device as claimed in claim 1, characterized in that: One end of the first lock tongue is provided with a circular arc surface, and the other end of the second lock tongue is provided with an inclined surface matched with the circular arc surface.