TW202409397A - Police handcuff limiting device and police handcuff limiting mechanism with the same - Google Patents

Abstract

The present invention provides a police handcuff limiting device, which includes a base, a hook part, a limiting part, and a first locking mechanism. The hook part extends from one end of the base, and the limiting part extends from the other end of the base. The first locking mechanism is connected to the hook part, and the first locking mechanism and the hook part together form a first limiting area, so that a chain between two cuff rings of a police handcuff can be can quickly and conveniently limited in the first limiting area. In addition, the present invention further provides a police handcuff limiting mechanism having the police handcuff limiting device. In addition to the police handcuff limiting device, the police handcuff limiting mechanism also includes a fixed frame and a limiting member, so that a guarded person who is handcuffed with the police handcuffs limited to the police handcuff limiting device cannot easily attack police officers or other passengers sitting in the same police car, and the guarded person is prevented from being thrown out of the police car due to violent impacts of an accident.

Description

Police handcuffs limiting device and police handcuffs limiting mechanism having the police handcuffs limiting device

This case relates to a police handcuffs limiting device and a mechanism having the police handcuffs limiting device, in particular to a police handcuffs limiting device installed in a police car and a mechanism having the police handcuffs limiting device.

The method of guarding known to the inventor is to handcuff the criminal suspect or criminal (collectively referred to as the "person being guarded") and place him or her directly in a police car. However, many of the people under surveillance are strong and tall, and those under police cuffs still pose a threat to the police officers or other passengers in the police car.

In addition, handcuffed detainees have difficulty moving their hands. When a police car encounters an accident (for example, is hit or overturned), they may be thrown due to the violent impact accompanying the accident. There may be other dangers outside the vehicle.

In order to solve the above problem, one embodiment of the present invention provides a police handcuff limiting device including a base, a hook part, a limiting part, and a first locking mechanism. The hook portion extends from one end of the base, the limiting portion extends from the other end of the base, and the first locking mechanism is connected to the hook portion and forms a first limiting area with the hook portion.

In some embodiments, the first locking mechanism is a latch, including: a first locking member, penetrating through a first through hole provided in the hook portion, including a first locking tongue and a first locking tongue connected to the first locking tongue. The first pulling part.

In some embodiments, the first locking mechanism further includes a first elastic member, the first elastic member is penetrated by the first lock tongue, and the first elastic member is used to reset the first locking member to promote the recovery of the first locking mechanism. to the locked state.

In some embodiments, the police handcuff limiting device further includes: a second locking mechanism connected to the base, and the second locking mechanism, the hook and the base jointly form a second limiting area.

In some embodiments, the second locking mechanism is a latch, including: a second locking member penetrating through a second through hole provided in the base, including a second locking tongue and a second locking tongue connected to the second locking tongue. 2. Pulling Department.

In some embodiments, the second locking mechanism further includes a second elastic member. The second elastic member is penetrated by the second lock tongue. The second elastic member is used to reset the second locking member to promote the recovery of the second locking mechanism. to the locked state.

One embodiment of this case provides a police handcuff limiting mechanism including a police handcuff limiting device, a fixing frame and a limiting piece. The police handcuff limiting device includes a base, a hook part, a limiting part, a first locking mechanism and a first connecting part. The hook portion extends from one end of the base, the limiting portion extends from the other end of the base, the first locking mechanism is connected to the hook portion and forms a first limiting area with the hook portion, and the first connecting portion is provided at the limiting portion department. The fixed frame is used to connect a fixed surface of a transportation vehicle. The fixed frame has a second connecting part, and the second connecting part is connected to the first connecting part. The restricting member connects the first connecting part and the second connecting part, connects the fixed frame with the police handcuff limiting device, and thereby limits the distance between the police handcuff limiting device and the fixed frame.

In some embodiments, the restraining member is elastic.

In some embodiments, the holder has a fixing structure, which is used to fix the holder to the car seat.

In some embodiments, the fixing frame includes a middle portion and a top portion connected to the middle portion, and both the top portion and the middle portion have a locking hole.

In summary, the present invention provides a handcuff limit device and a handcuff limit mechanism having the handcuff limit device. The handcuff limit device can quickly and conveniently limit the chain between the two handcuff rings of the handcuff within the range of a first limit zone by means of a first locking mechanism, and can further quickly and conveniently limit the chain between the two handcuff rings of the handcuff within the range of a second limit zone by means of a second locking mechanism, so that the chain between the two handcuff rings of the handcuff is less likely to escape from the handcuff limit device.

In addition, this case also provides a police handcuff limit mechanism with the police handcuff limit device. By setting a limiter between the police handcuff limit device and the fixed frame, the police handcuff limit device and the fixed frame are There is a "fixed distance" or "fixed distance range" between them, so that the person who is handcuffed and the handcuffs are limited to the handcuff limiter cannot easily attack police officers or police officers sitting in the same police car. Other passengers, on the other hand, this setting also protects the aforementioned persons who are handcuffed and the police handcuffs are limited to the police handcuff limit device. When the police car encounters an accident, the police handcuff limit mechanism has a similar function. The role of the seat belt is to prevent the person being protected from being thrown out of the car due to the violent impact of the accident.

The following is an explanation of the implementation of the police handcuff limiting device and the police handcuff limiting mechanism having the police handcuff limiting device disclosed in this case through each specific embodiment, in which the same components will be described with the same reference symbols.

It should be noted that all directional terms (for example, up, down, left, right, front, back, etc.) in the specific embodiments of the present case are only used to explain the relative position relationship, movement status or posture of the various components in a certain specific state (as shown in the attached drawings). If the specific state changes, the directional terms will also change accordingly.

The description of each specific embodiment is accompanied by the drawings which are incorporated into and constitute a part of the specification, and illustrate the embodiment of the present disclosure, but the present disclosure is not limited to the embodiment. The following embodiments can be appropriately modified or integrated to complete another embodiment.

The following descriptions of each "one embodiment", "a specific embodiment", "preferred embodiment", "other embodiments", "another embodiment", etc. or any descriptions related to "embodiment" or "implementation method" are only used to describe the technical features, structures or characteristics that may be included in the embodiment, but other embodiments do not necessarily include the specific features, structures or characteristics. Repeated use of similar terms such as "in this embodiment" or "in some embodiments" does not necessarily refer to the same embodiment, but may also refer to different embodiments.

Please refer to Figures 1, 2 and 3. Figure 1 is a three-dimensional schematic view of the police handcuffs limiting mechanism in one embodiment of this case. Figure 2 is an exploded schematic view of the police handcuffs limiting mechanism in one embodiment of this case. Figure 3 is an embodiment of this case. Schematic side view of the police cuff limiting mechanism. As shown in Figures 1, 2 and 3, the police handcuffs limiting mechanism 100 in this case includes a police handcuffs limiting device 1, a fixed frame 2 and a limiting piece 3. The police handcuffs limiting device 1 and the fixed frame 2 are connected by a Limiter 3 connection. Since the police handcuff limiting mechanism 100 in this case has a limiting piece 3, there is a "fixed distance" or "fixed distance range" between the police handcuff limiting device 1 and the fixed frame 2 in this case. "Fixed distance" means that the distance between the police handcuff limiting device 1 and the fixed frame 2 can be maintained at 0.15, 0.5, 1, 1.5 or 2 meters or any distance between any two of the aforementioned values. , for example: 0.8 meters between the aforementioned 0.5 meters and the aforementioned 1 meters, etc. In addition, the "fixed distance range" means that the distance range between the police handcuff limiting device 1 and the fixed frame 2 can be maintained between 0.15~0.3, 0.3~0.5, 0.5~1, 1.5~2 meters, or any of the above. The distance range formed by two values, such as 0.3~2 meters, etc. Such a setting allows suspects, criminals, etc. (hereinafter referred to as "protected persons") who are handcuffed or legcuffed (hereinafter collectively referred to as "police cuffs") and the police cuffs are limited to the police cuffs limiting device 1 in this case, There is no way to easily attack police officers or other passengers sitting in the same police car. In addition, this setting also protects the aforementioned prisoners who are handcuffed and the police handcuffs are limited to the police handcuff limiter 1. When the guard encounters an accident in a police car (for example, is hit or overturned), the police handcuff limiting mechanism 100 functions like a seat belt to prevent the guarded person from being thrown out of the vehicle due to the violent impact of the accident.

Please refer to Figures 1, 2 and 3 again. In this embodiment, the limiting member 3 is elastic and is used to limit the distance range between the handcuff limit device 1 and the fixing frame 2, so that there is a fixed distance range between the handcuff limit device 1 and the fixing frame 2, and the fixed distance range is approximately the minimum length of the limiting member 3 and the maximum length after stretching, for example: a distance range of 0.15~0.3, 0.3~0.5, 0.5~1, 1.5~2 meters or a distance range formed by any two of the aforementioned values, for example: 0.3~2 meters, etc., but the present case is not limited to this. In some embodiments, the limiting member 3 may also be inelastic. The inelastic limiting member 3 will allow the alarm limit device 1 to have a "fixed distance" from the fixing frame 2, and the distance is approximately the length of the limiting member 3, for example: 0.15, 0.5, 1, 1.5 or 2 meters or any length between any two of the aforementioned values, for example: 0.8 meters between the aforementioned 0.5 meters and the aforementioned 1 meter, etc.

Please refer to Figures 3, 4 and 6 again. Figure 4 is a three-dimensional schematic view of the police handcuffs limiting device according to one embodiment of this case. Figure 6 is a side view of the police handcuffs limiting device according to one embodiment of this case. In this embodiment, the police handcuff limiting device 1 includes a base 11, a hook part 12, a limiting part 13, a first locking mechanism 4 and a first connecting part P ₁ . In this embodiment, the first connection part P ₁ is slightly U-shaped and has threads. The first connection part P ₁ passes through the keyhole H ₁ provided in the limiting part 13 , the threads of the first connection part P ₁ and The nut _S1 is screwed to the top 22. The police handcuff limiting device 1 is connected to the fixing frame 2 through the first connection part _P1 . Please see Figure 4 near the bottom side and Figure 6 near the bottom side. In this embodiment, the base 11 is slightly square-shaped. As shown in Figure 6, the left and right sides of the base 1 extend upwards nearly vertically. There is a hook part 12 (left side) and a limiting part 13 (right side). The base 11 and the hook part 12 are integrally formed, and the base 11 and the limiting part 13 are also integrally formed, but the invention is not limited thereto.

Please refer to Figures 5, 7, 9 and 9A. Figure 5 is an exploded schematic diagram of a handcuff position limiting device according to an embodiment of the present invention. Figure 7 is a side view schematic diagram of a first position limiting area of a handcuff position limiting device according to an embodiment of the present invention. Figure 9 is a front view of the handcuff position limiting device of Figure 4. Figure 9A is a cross-sectional schematic diagram of the handcuff position limiting device along the AA section line of Figure 9. In this embodiment, the hook portion 12 is hook-shaped in appearance. The hook portion 12 is connected to the first locking mechanism 4. The first locking mechanism 4 includes a first locking member 41 and a first through hole 42 provided on the hook portion 12. The first locking member 41 includes a first pulling portion 411 and a first locking tongue 412. The first pulling portion 411 is connected to the first locking tongue 412. In this embodiment, the first pull portion 411 and the first lock tongue 412 are integrally formed and slightly vertical, but the present invention is not limited thereto. In this embodiment, the first locking mechanism 4 is in the form of a latch lock, and the first locking mechanism 4 is in a locked state. When the first locking mechanism 4 is in the locked state, the first locking member 41 passes through the first through hole 42 and the locking through hole 131 provided on the limiting portion 13. The first locking mechanism 4, the base 11, the hook portion 12, and the limiting portion 13 together form a first limiting area _A1 , and the chain between the two handcuff rings of the handcuffs is limited within the range of the first limiting area _A1 by the principle of latch lock. When the first locking mechanism 4 is in the locked state, the guarded person who is handcuffed and the handcuffs are limited by the handcuff limiting device 1 cannot easily attack the police officers or other passengers sitting in the same police car, and it is also prevented that the guarded person is thrown out of the car due to the violent impact when the police car body is hit or overturned.

As shown in FIG. 5 and FIG. 9A , in some embodiments, the first locking mechanism 4 further includes a first elastic member 43 and a first stopper 44 . The first stopper 44 is disposed on the first locking member 41 In the groove portion 413, the first elastic member 43 is disposed between the first stopper portion 44 and the hook portion 12, and the first elastic member 43 is penetrated by the first lock tongue 412.

Next, please refer to FIG. 10, which is a schematic diagram of the operation of the handcuff limit device of an embodiment of the present invention. As shown in FIG. 10, the user can pull the first locking member 41 to make the first locking member 41 of the first locking mechanism 4 withdraw from the locking through hole 131 and no longer penetrate the locking through hole 131 provided on the limit portion 13, so that a gap is formed between the first locking member 41 and the limit portion 13, thereby making the first locking mechanism 4 enter the unlocked state. When the first locking mechanism 4 enters the unlocked state as shown in FIG. 10, the chain between the two handcuff rings of the handcuff will no longer be restricted within the range of the first limit area _A1 . In the process of making the first locking mechanism 4 enter the unlocked state, the first elastic member 43 is squeezed to generate elastic potential energy. When the user lets go and stops pulling the first locking member 41, the elastic potential energy resets the first locking member 41 and promotes the first locking mechanism 4 to return to the locked state. In some embodiments, the first locking mechanism 4, the hook portion 12 and the limit portion 13 are all made of metal material, so that when the first locking mechanism 4 returns from the unlocked state to the locked state, a metal collision sound is emitted as a warning sound, and the user can judge whether the first locking mechanism 4 is restored to the locked state according to the warning sound. In addition, in some embodiments, because the first locking mechanism 4, the hook portion 12 and the limiting portion 13 are all made of metal materials, and in other embodiments, the handcuff limiting device 100 is entirely made of metal materials, in these embodiments, police officers or other passengers can judge and grasp the hand or leg movement status of the guarded person based on the metal collision sound generated by friction or collision between the handcuff and the handcuff limiting device 1 or the handcuff and the second locking mechanism 5, the base 11 and other components, so as to prevent sudden attacks from the guarded person. In addition, to achieve the above purpose, in some embodiments, a gap is left between the first locking piece 41 and the first through hole 42 in the first locking mechanism 4. When the guard's hands or feet move, the first locking piece 41 and the first through hole 42 will also produce a metal collision sound due to friction or collision.

Please refer to Figure 5, Figure 7, Figure 8, Figure 9 and Figure 9A together. Figure 7 is a schematic side view of the first limiting area of the police handcuffs limiting device in one embodiment of this case. Figure 8 is a schematic side view of the police handcuffs in one embodiment of this case. Schematic side view of the second limiting area of the limiting device. In this embodiment, the second locking mechanism 5 has the function of a second safety lock relative to the first locking mechanism 4. Therefore, the first limiting area A ₁ and the second limiting area A ₂ overlap. In some embodiments, even without the first locking mechanism 4, the police handcuff limiting device 1 can be independently provided with the second locking mechanism 5. That is to say, the second locking mechanism 5 can be independent of the first locking mechanism 4. exist. As shown in FIG. 5 , FIG. 9 and FIG. 9A , the form and principle of the second locking mechanism 5 are similar to the first locking mechanism 4 . The second locking mechanism 5 includes a second locking member 51 and a third locking member 51 provided on the base 11 . Two perforations 52. The second locking member 51 penetrates the second through hole 52. The second locking member 51 includes a second pulling part 511 and a second locking tongue 512. The second pulling part 512 is connected to the second locking tongue 511. In this embodiment, In this example, the second pulling part 511 and the second lock tongue 512 are integrally formed and slightly vertical, but the case is not limited to this. In this embodiment, the second locking mechanism 5 is also in the form of a latch. The second locking mechanism 5 is in the locked state. When the second locking mechanism 5 is in the locked state, the second locking member 51 penetrates the second through hole 52, and the second locking mechanism 5, the base 11 and the hook 12 jointly form the second locking mechanism 5. The second limit area A ₂ uses the latch principle to limit the chain between the two cuff rings of the police handcuff within the range of the second limit area A ₂ . When the first locking mechanism 4 and the second locking mechanism 5 are both in the locked state, it will be more difficult for the guarded person who is handcuffed and the policecuffs are limited to the policecuff limiting device 1 to attack someone sitting in the same place. It also prevents the police officers or other passengers in the police car from being thrown out of the car due to the violent impact when the police car body is hit or overturned.

As shown in Figure 5, Figure 9 and Figure 9A, in some embodiments the second locking mechanism 5 further includes a second elastic member 53 and a second stopper 54. The second stopper 54 is disposed on the second locking mechanism. In the groove portion 513 of the member 51, the second elastic member 53 is disposed between the second stopper 54 and the base 11, and the second elastic member 53 is penetrated by the second lock tongue 512.

Next, as shown in FIG. 10 , in this embodiment, the user can pull the second locking member 51 to remove the second locking member 51 of the second locking mechanism 5 from the second through hole 52 and no longer penetrate the second through hole 52, so that a gap is formed between the second locking member 51 and the hook portion 12, thereby putting the second locking mechanism 5 into a released state. When the second locking mechanism 5 enters the released state as shown in FIG. 10 , the chain between the two handcuff rings of the handcuffs will no longer be restricted within the range of the second limiting area _A2 . In other embodiments (not shown), the second locking mechanism is in the unlocked state but the first locking mechanism is in the locked state. Under such conditions, the chain between the two handcuff rings of the handcuffs will no longer be restricted within the range of the second limiting area _A2 , but will still be restricted within the range of the first limiting area _A1 . In the process of making the second locking mechanism 5 enter the unlocked state, the second elastic member 53 is squeezed to generate elastic potential energy. When the user lets go and no longer pulls the second locking member 51, the elastic potential energy resets the second locking member 51 and facilitates the second locking mechanism 5 to return to the locked state. In some embodiments, the second locking mechanism 5 and the base 11 are both made of metal, so that when the second locking mechanism 5 returns to the locked state from the unlocked state, a metal collision sound is emitted as a warning sound, and the user can judge whether the second locking mechanism 5 is returned to the locked state according to the warning sound. In addition, in some embodiments, because the second locking mechanism 5 and the base 11 are both made of metal or in other embodiments, the handcuff limiter 100 is entirely made of metal, in these embodiments, police officers or other passengers can judge and grasp the movement of the hand or leg of the guarded person according to the metal collision sound produced by the friction or collision between the handcuff and the handcuff limiter 1 or the handcuff and the second locking mechanism 5, the base 11 and other components, so as to prevent the guarded person from being attacked or attacked. In addition, to achieve the above purpose, in some embodiments, a gap is left between the second locking piece 51 and the second through hole 52 in the second locking mechanism 5, and when the guard's hand or foot moves, the second locking piece 51 and the second through hole 52 will also produce a metal collision sound due to friction or collision.

Please refer to Figure 11, which is a three-dimensional schematic view of a fixing bracket according to an embodiment of this case. As shown in Figure 11, in this embodiment, the fixing frame 2 can be arranged behind the headrest of the car seat. The fixing frame 2 is the core of limiting the person being guarded to a specific range. The person being guarded will be It is limited to a range centered on the fixing frame 2 and within the length or telescopic length of the limiting member 3 . In some embodiments, the fixed frame 2 is connected to the frame of the car seat, especially the frame between the seat headrest and the seat back. The fixed frame 2 includes a middle part 21, a top 22 and a bottom. 23. The middle part 21 is plate-shaped. The middle part 21 acts like a baffle to prevent police officers or other passengers sitting in the front seat of the person being guarded from being attacked by the person being guarded. A top 22 extends from one side of the middle part 21. A bottom 23 extends from the other side of the middle portion 21 .

As shown in Figure 11, the top 22 is provided with a second connection part P ₂ to connect to the first connection part P ₁ of the police handcuff limiting device 1. In this embodiment, the second connection part P ₂ is slightly U-shaped and With threads, the second connecting part P ₂ is screwed to the top 22 through the keyhole H ₂ provided on the top 22 , the threads of the second connecting part P ₂ and the nut S ₂ . In addition, the middle part 21 is further provided with The keyhole H ₃ allows the user to adjust the position of the second connection part P ₂ connected to the fixed frame 2 according to needs. In some embodiments, the user can connect more police handcuff limiting devices 1 to the same fixed frame 2 through the arrangement of more keyholes _H3 , which can not only limit the handcuffs and handcuffs of the guarded person at the same time, The shackles can also restrict the activity areas of multiple warded persons at the same time.

Please refer to Figure 11 again, the first connecting portion _P1 and the second connecting portion _P2 are connected through the limiting member 3. In this embodiment, the bottom 23 is provided with a fixing structure 24, in which the fixing structure 24 is in the form of a hole, which can be penetrated by the frame of the car seat, so that the fixing frame 2 is connected to the frame between the seat headrest and the seat back.

In summary, the present invention provides a handcuff limit device and a handcuff limit mechanism having the handcuff limit device. The handcuff limit device can quickly and conveniently limit the chain between the two handcuff rings of the handcuff within the range of a first limit zone by means of a first locking mechanism, and can further quickly and conveniently limit the chain between the two handcuff rings of the handcuff within the range of a second limit zone by means of a second locking mechanism, so that the chain between the two handcuff rings of the handcuff is less likely to escape from the handcuff limit device.

In addition, this case also provides a police handcuff limit mechanism with the police handcuff limit device. By setting a limiter between the police handcuff limit device and the fixed frame, the police handcuff limit device and the fixed frame are There is a "fixed distance" or "fixed distance range" between them, so that the person who is handcuffed and the handcuffs are limited to the handcuff limiter cannot easily attack police officers or police officers sitting in the same police car. Other passengers, on the other hand, this setting also protects the aforementioned persons who are handcuffed and the police handcuffs are limited to the police handcuff limit device. When the police car encounters an accident, the police handcuff limit mechanism has a similar function. The role of the seat belt is to prevent the person being protected from being thrown out of the car due to the violent impact of the accident.

100: Police handcuffs limiting mechanism 1: Police handcuffs limiting device 11: Base 12: Hook part 13: Limiting part 131: Locking perforation 2: Fixed frame 21: Middle part 22: Top 23: Bottom 24: Fixed structure 3: Limiting member 4: First locking mechanism 41: First locking member 411: First pulling part 412: First lock tongue 413: Groove 42: First through hole 43: First elastic member 44: First stopper 5: Second locking mechanism 51: Second locking part 511: Second pulling part 512: Second lock tongue 513: Groove part 52: Second through hole 53: Second elastic member 54: Second stopper parts S ₁ , S ₂ :Nut A ₁ :First limiting area A ₂ :Second limiting area H ₁ , H ₂ , H ₃ :Key hole P ₁ :First connecting part P ₂ :Second connecting part

Figure 1 is a three-dimensional schematic diagram of the handcuff limit mechanism of the first embodiment of the present case. Figure 2 is a decomposed schematic diagram of the handcuff limit mechanism of the first embodiment of the present case. Figure 3 is a side view schematic diagram of the handcuff limit mechanism of the first embodiment of the present case. Figure 4 is a three-dimensional schematic diagram of the handcuff limit device of the first embodiment of the present case. Figure 5 is a decomposed schematic diagram of the handcuff limit device of the first embodiment of the present case. Figure 6 is a side view schematic diagram of the handcuff limit device of the first embodiment of the present case. Figure 7 is a side view schematic diagram of the first limit zone of the handcuff limit device of the first embodiment of the present case. Figure 8 is a side view schematic diagram of the second limit zone of the handcuff limit device of the first embodiment of the present case. Figure 9 is a front view of the handcuff limit device of Figure 4. FIG9A is a schematic cross-sectional view of the handcuff limiter along the A-A section line of FIG9. FIG10 is a schematic diagram of the operation of the handcuff limiter in an embodiment of the present invention. FIG11 is a three-dimensional schematic diagram of the fixing frame in an embodiment of the present invention.

100: Police handcuffs limit mechanism

1:Police handcuffs limit device

2: Fixed frame

3: Restrictions

P ₁ : First connection part

P ₂ : Second connection part

Claims (10)

A handcuff limit device comprises: a base; a hook portion extending from one end of the base; a limit portion extending from the other end of the base; and a first locking mechanism connected to the hook portion and forming a first limit zone with the hook portion. The police handcuff limiting device as described in claim 1, wherein the first locking mechanism is a latch and includes: a first locking piece that penetrates a first through hole provided in the hook portion, including a first lock tongue and A first pulling part connected to the first lock tongue. The police handcuff limiting device according to claim 2, wherein the first locking mechanism further includes a first elastic member, the first elastic member is penetrated by the first lock tongue, and the first elastic member is used to make the The first locking piece is reset to promote the first locking mechanism to return to the locked state. The handcuff limit device as described in claim 1 further comprises: a second locking mechanism connected to the base, the second locking mechanism, the hook and the base together form a second limit area. A handcuff limit device as described in claim 4, wherein the second locking mechanism is a latch lock, comprising: a second locking member, passing through a second through hole provided on the base, comprising a second lock tongue and a second pulling portion connected to the second lock tongue. As described in claim 5, the second locking mechanism further includes a second elastic member, the second elastic member is penetrated by the second lock tongue, and the second elastic member is used to reset the second locking member to facilitate the second locking mechanism to return to the locked state. A handcuff position limiting mechanism, comprising: A handcuff position limiting device, comprising: A base; A hook portion extending from one end of the base; A position limiting portion extending from the other end of the base; A first locking mechanism connected to the hook portion and forming a first position limiting area with the hook portion; and A first connecting portion disposed on the position limiting portion; A fixing frame, used to connect to a fixing surface of a transportation vehicle, having a second connecting portion, the second connecting portion connected to the first connecting portion; and A limiting member connecting the first connecting portion and the second connecting portion, so that the fixing frame is connected to the handcuff position limiting device, and thereby limiting the distance between the handcuff position limiting device and the fixing frame. The police handcuff limiting mechanism as described in claim 7, wherein the limiting member is elastic. The police handcuff limiting mechanism as described in claim 7, wherein the fixed frame has a fixed structure, which is used to fix the fixed frame to the car seat. The police handcuff limiting mechanism as described in claim 7, wherein the fixed frame includes a middle part and a top part connected to the middle part, and both the top part and the middle part have lock holes.

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