Police restraint fork

Abstract

The present invention discloses a police restraint fork, comprising: a fork rod; a fork head disposed at one end of the fork rod, the end of the fork head away from the fork rod is open, and a pair of reset rotating rods are oppositely arranged at the opening to close the opening. When a force is applied to the pair of reset rotating rods towards the fork rod, the pair of reset rotating rods rotate to open the opening; a first restraint belt, which is an elastic belt structure, and both ends thereof are fixedly connected to the opposite ends of the pair of reset rotating rods respectively; a second restraint belt, which is a non-elastic belt structure, and both ends thereof are fixedly connected to the opposite ends of the pair of reset rotating rods respectively and is located outside the first restraint belt. When there is no external force, the length of the second restraint belt is greater than the length of the first restraint belt. The present invention has the beneficial effects of improving the effectiveness of forking and restraining the upper limbs, shanks, lower limbs, and avoiding the person being restricted from breaking free in a short time. In particular, it has good behavior interference on the armed upper limbs and effective restraint after forking.

Description

Technical Field

[0001] The present invention relates to the technical field of capture devices. More specifically, the present invention relates to a police restraint fork. Background Art

[0002] A restraint fork is a capture tool used by capture personnel to capture certain types of people. In the patent with the application number 201420576255.8 and the name of police restraint fork, a support rod, a capture ring provided at the end of the support rod, and a limit block rotatably provided at the opening end of the capture ring through a torsion spring are disclosed. By operating in a pushing and pulling manner, the restraint of certain types of people is achieved, solving the problems that when capturing certain types of people traditionally, it is inevitable to directly contact with certain types of people, resulting in injuries or even sacrifices, and even the escape of criminals. However, because the capture ring at its front end is a rigid structure and the size of the fork sleeve is fixed, the fork sleeve part is restricted during actual combat. Generally, it can only fork and restrain the lower limbs and is easy to break free. More importantly, due to the fixed size of the fork head, the free movement of the upper limbs of certain types of people cannot be restricted or limited. Summary of the Invention

[0003] An object of the present invention is to solve at least the above problems and provide at least the advantages described later.

[0004] Another object of the present invention is to provide a police restraint fork. First, it can effectively insert and restrain the upper limbs and necks of certain types of people. Especially when the fork sleeve is on the upper limbs of certain types of people, it can maximize the interference and influence on the autonomous attack behavior of the upper limb holding the weapon of certain types of people, reducing the risk of injury to the police officers on duty. Once the fork sleeve is successful, it can effectively restrain the upper limbs, having a good capture and restraint effect on certain types of people holding weapons. Secondly, it can improve the effectiveness of restraining the lower limbs of certain types of people and prevent the restricted person from breaking free in a short time.

[0005] To achieve these objects and other advantages according to the present invention, there is provided a police restraint fork, including:

[0006] A fork rod;

[0007] A fork head, which is provided at one end of the fork rod. The end of the fork head away from the fork rod is open, and a pair of reset rotating rods are oppositely arranged at the opening to close the opening. When a force towards the fork rod is applied to the pair of reset rotating rods, the pair of reset rotating rods rotate to open the opening;

[0008] A first restraint belt, the two ends of which are respectively fixedly connected to the opposite ends of the pair of reset rotating rods.

[0009] Preferably, the first restraint belt is an elastic belt structure. Further preferably, the perimeter size of the first restraint belt is slightly smaller than the forearm perimeter of a normal human body, which can be determined according to the actual situation.

[0010] Preferably, it further includes: a second restraint band, which is a non-elastic strip structure, with both ends fixedly connected to the opposite ends of a pair of reset rotating rods respectively, and is located outside the first restraint band. When there is no external force, the length of the second restraint band is greater than that of the first restraint band. Further preferably, the perimeter size of the second restraint band is slightly larger than the neck circumference of a normal human body, which can be determined according to specific circumstances.

[0011] Preferably, after the corresponding ends of the first restraint band and the second restraint band are overlapped, a binding installation hole is formed;

[0012] Each free end of the reset rotating rod has a concave installation groove to accommodate and fix the overlapped ends of the first restraint band and the second restraint band.

[0013] Preferably, each reset rotating rod is connected to the corresponding open end of the fork head through a locking assembly. Each locking assembly includes:

[0014] A connecting piece, which is fixedly arranged at the open end of the fork head, and the reset rotating rod is rotatably connected to the connecting piece;

[0015] A limiting rod, which is arranged on the connecting piece. When the reset rotating rod closes the opening, the reset rotating rod abuts against the limiting rod to limit the movement of the free end of the reset rotating rod in the direction away from the fork rod;

[0016] A tension spring, one end of which is connected to the end of the reset rotating rod inside the connecting piece, and the other end is arranged on the connecting piece. When there is no external force, the tension spring pulls the reset rotating rod to close the opening.

[0017] Preferably, it further includes:

[0018] A lower fixing block, which is fixedly arranged at one end where the fork rod is connected to the fork head;

[0019] An upper fixing block, which is detachably butted and arranged at the top of the lower fixing block, and cooperates with the lower fixing block to form an arc-shaped channel for fixing the fork head.

[0020] Preferably, the fork rod is composed of at least two sections of struts butt-jointed and fixed.

[0021] Preferably, adjacent two sections of struts are butt-jointed and fixed through a set of connecting mechanisms. Each set of connecting mechanisms includes:

[0022] A slider group and a protective sleeve. The slider group and the protective sleeve are arranged outside the end of one of the struts and are arranged in sequence along the direction away from the end of the strut. The slider group includes at least two sliders arranged at intervals along the circumferential direction of the strut, and the protective sleeve is screwed to the strut;

[0023] A receiving groove is provided at the end of another supporting rod. The side wall of the receiving groove has sliding channels corresponding to each slider. Each sliding channel includes an insertion part, a turning part, and a positioning part that are sequentially connected and vertically arranged. The insertion part is arranged along the length direction of the supporting rod and penetrates through the end of the corresponding supporting rod to form a notch for the slider to enter. The positioning part and the insertion part are on the same side of the turning part;

[0024] Wherein, when the sliders are respectively located at the corresponding positioning parts, the protective sleeve is rotated so that its end abuts against the end of the relative supporting rod, so as to butt-connect and fix two adjacent sections of the supporting rod.

[0025] Preferably, the slider group includes two sliders arranged at equal intervals along the circumferential direction of the supporting rod.

[0026] Preferably, a straight handle is provided at the end of the fork rod away from the fork head. The handle and the fork rod are connected by a boosting mechanism. The boosting mechanism includes:

[0027] A boosting groove is recessed along the end of the handle. The inner wall of the boosting groove is constricted to form a retaining ring. The retaining ring divides the boosting groove into a first groove body and a second groove body along the direction away from the groove bottom. The side wall of the first groove body has a through hole. At least one sliding groove is provided on the side wall of the second groove body along its length direction;

[0028] A boosting rod is provided at the end of the fork rod, and a boosting block matching the sliding groove is provided at the connection with the fork rod, so that the boosting rod is slidably arranged in the boosting groove, and the end penetrates through the retaining ring. A spring is arranged between the penetrating end and the bottom of the boosting groove;

[0029] A limiting block is elastically arranged in the first groove body, and the free end penetrates out of the through hole. The limiting block has a limiting hole. The boosting rod penetrates through the limiting hole. Wherein, a positioning rod is arranged in the limiting hole, and limiting grooves matching the positioning rod are arranged at both ends of the side wall of the boosting rod. When the limiting block is pressed so that the positioning rod disengages from the limiting groove, the boosting rod slides through the limiting hole. When the positioning rod is limited in the limiting groove close to the spring, the spring is in a compressed state.

[0030] The present invention has at least the following beneficial effects:

[0031] Through the arrangement of the reset rotating rod and the locking assembly, automatic reverse locking can be realized by touching, quickly restraining certain types of personnel and subduing them with one move; further, with the arrangement of the first restraint belt and the second restraint belt, the effectiveness of restraining the upper limbs, shins, and lower limbs is improved, and it is avoided that the person being restricted breaks free in a short time, especially having a good restraining effect on the armed upper limbs.

[0032] Other advantages, objectives, and features of the present invention will be partially reflected by the following description, and partially will also be understood by those skilled in the art through the research and practice of the present invention. Brief Description of the Drawings

[0033] Figure 1 Schematic structural diagram of the police restraint fork according to one of the technical solutions of the present invention;

[0034] Figure 2 Schematic structural diagram of the fork head according to one of the technical solutions of the present invention;

[0035] Figure 3 Schematic structural diagram of the fork head according to one of the technical solutions of the present invention;

[0036] Figure 4 For the present invention Figure 1 Enlarged structural diagram of part A;

[0037] Figure 5 Schematic structural diagram of the boosting mechanism according to one of the technical solutions of the present invention;

[0038] Figure 6 Schematic structural diagram of the boosting mechanism according to one of the technical solutions of the present invention;

[0039] Figure 7 Schematic structural diagram of the boosting mechanism according to one of the technical solutions of the present invention;

[0040] Figure 8 Schematic structural diagram of the limiting block according to one of the technical solutions of the present invention.

[0041] Specific reference numerals are as follows: fork rod 1; fork head 2; reset rotating rod 20; installation groove 21; first restraint belt 3; second restraint belt 30; installation hole 31; connecting member 4; limiting rod 40; slider 5; protective sleeve 50; receiving groove 51; insertion portion 52; turning portion 53; positioning portion 54; lower fixing block 6; upper fixing block 60; arc-shaped channel 61; handle 7; boosting groove 8; retaining ring 80; first groove body 81; second groove body 82; through hole 83; sliding groove 84; boosting rod 85; boosting block 86; spring 87; limiting groove 88; limiting block 9; limiting hole 90; positioning rod 91. Detailed Description of the Invention

[0042] The following further describes the present invention in detail with reference to the drawings so that those skilled in the art can implement it according to the description in the specification.

[0043] It should be understood that terms such as "having", "including", and "comprising" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0044] As Figure 1-2 shown, the present invention provides a police restraint fork, comprising:

[0045] Fork rod 1;

[0046] Fork head 2, which is arranged at one end of the fork rod 1. The end of the fork head 2 away from the fork rod 1 is open, and a pair of reset rotating rods 20 are oppositely arranged at the opening to close the opening. When a force is applied to the pair of reset rotating rods 20 towards the fork rod 1, the pair of reset rotating rods 20 rotate to open the opening;

[0047] The first restraint belt 3, the two ends of which are respectively fixedly connected to the opposite ends of the pair of reset rotating rods 20.

[0048] In the above technical solution, the length of the police restraint fork is not less than 1.5 m. Preferably, the length of the police restraint fork is not less than 2 m. Further preferably, the length of the credit restraint fork is not less than 2.1 m. The fork head 2 is in the shape of a horn with an opening at the front end, preferably in a U shape. The fork head 2 forms two connection ends at the opening end, and a reset rotating rod 20 is correspondingly arranged at each connection end. The reset rotating rod 20 is rotatably connected to the connection end of the fork head 2 and can automatically reset to close the opening when no external force is applied. At this time, the pair of fork heads 2 are opposite and collinear. When a force is applied to the pair of reset rotating rods 20 towards the fork rod 1, the pair of reset rotating rods 20 rotate to open the opening. When the pair of fork heads 2 are opposite and collinear, applying a force to the pair of reset rotating rods 20 away from the fork rod 1 cannot drive the reset rotating rods 20 to rotate; The first restraint belt is one of an elastic belt structure and a non-elastic belt structure. The size of the first restraint belt 3 is set according to the actual fixing part. The main materials of the fork rod 1 and the fork head 2 can be high-strength special aluminum alloy, and the anti-destruction strength is 5.6 times higher than that of ordinary aluminum alloy. During use, the police restraint fork is used to restrain the upper limbs, shins, and lower limbs. Taking the restraint of the upper limb wrist as an example: The arresting personnel hold the fork rod 1 and push the fork head 2 towards the body (arm) of a certain person. When the fork head 2 contacts the arm of a certain person, when the force of continuous pushing gives a force to the pair of reset rotating rods 20 towards the fork rod 1, the pair of reset rotating rods 20 rotate to open the opening, and the arm of a certain person enters the fork head 2. At the same time, it enters the restraint space of the first restraint belt 3. Without external force or under the action of the pulling force of a certain person pulling backward, the pair of reset rotating rods 20 close the opening to achieve the arrest of a certain person; With this technical solution, the traditional fork head 2 is a rigid structure, and the size of the fork head 2 is fixed. During actual combat, the fork sleeve part is significantly limited, and most of them cannot meet the fork sleeve of the upper limb. Even for the lower limb, it is easy to break free. By using the restraint belt, partial or complete winding of the restraint part is realized, enhancing the anti-breaking free effect.

[0049] In another technical solution, the first restraint strap 3 is an elastic strip structure. With this solution, the first restraint strap 3 being an elastic strip structure, compared with a non-elastic strip structure, while meeting the requirement of encircling and fixing the lower limbs, neck, and upper limbs, the length of the first restraint strap 3 can be appropriately reduced compared with a non-elastic strip structure, improving the restraint effect and further enhancing the anti-escape effect.

[0050] In another technical solution, as Figure 2 shown, it further includes: a second restraint strap 30, which is a non-elastic strip structure, with both ends fixedly connected to the opposite ends of a pair of reset rotating rods 20 respectively, and is located outside the first restraint strap 3. When there is no external force, the length of the second restraint strap 30 is greater than the length of the first restraint strap 3. The length of the second restraint strap 30 is defined to satisfy that when restraining the corresponding body part, the body part does not contact the bottom end of the fork head 2. With this solution, the elastic strip structure inside realizes partial or full winding of the restrained part, enhancing the anti-escape effect, and cooperating with the non-elastic strip structure outside to protect the restrained part and avoid unnecessary harm to certain personnel caused by excessive force; compared with the traditional manual control of opening and closing, the setting of the reset rotating rods 20 cooperating with the first restraint strap 3 and the second restraint strap 30 is fast and has a high success rate, and the anti-lock function does not require manual secondary operation, is simple and effective, has high reliability, and is fast and convenient.

[0051] In another technical solution, as Figure 2 shown, after the corresponding ends of the first restraint strap 3 and the second restraint strap 30 are overlapped, mounting holes 31 are bound, and the ends of the first restraint strap 3 and the second restraint strap 30 are processed to form fixed points;

[0052] Each free end of the reset rotating rod 20 has a concave mounting groove 21 to accommodate the overlapped ends of the first restraint strap 3 and the second restraint strap 30, and is fixed by bolts (the bolts pass through the mounting holes 31). With this solution, the installation stability is improved through the setting of the mounting groove 21 cooperating with the mounting holes 31, and at the same time, it is convenient for the replacement of the first restraint strap 3 and the second restraint strap 30.

[0053] In another technical solution, as Figure 2 shown, each reset rotating rod 20 is connected to the corresponding opening end of the fork head 2 through a locking assembly. Each locking assembly includes:

[0054] A connecting piece 4, which is fixedly arranged at the opening end of the fork head 2, and the reset rotating rod 20 is rotatably connected to the connecting piece 4. Preferably, the connecting piece 4 is a U-shaped piece. According to Figure 2 the orientation, the top, bottom, and left ends of the U-shaped piece are all open;

[0055] The limiting rod 40 is provided on the connecting member 4. Specifically, the limiting rod 40 is provided between the opposite side walls of the connecting member 4. When the reset rotating rod 20 closes the opening, the reset rotating rod 20 is horizontally arranged at this time, and the bottom end surface of the reset rotating rod 20 abuts against the top surface of the limiting rod 40 to limit the movement of the free end of the reset rotating rod 20 in the direction away from the fork rod 1, that is, the free end of the reset rotating rod 20 (the end opposite to the other reset rotating rod 20) is not allowed to continue moving in the direction away from the fork rod 1;

[0056] The tension spring has one end connected to one end of the reset rotating rod 20 located inside the connecting member 4, and the other end is provided on the rear end wall of the connecting member 4 and is located below one end of the reset rotating rod 20 located inside the connecting member 4, forming a downward pulling force on one end of the reset rotating rod 20 located inside the connecting member 4. When there is no external force, the tension spring pulls the reset rotating rod 20 to close the opening. Adopting this solution can achieve fast and effective restraint in a touch - based manner. While restraining the part, it automatically locks in the reverse direction to prevent the person being restricted from breaking free instantly.

[0057] In another technical solution, as Figure 1-2 shown, it further includes:

[0058] The lower fixing block 6 is fixedly provided at one end of the fork rod 1 connected to the fork head. The lower fixing block 6 and the fork rod 1 can adopt any one of the connection methods of fixed connection and detachable connection (specifically, it can be screwed connection);

[0059] The upper fixing block 60 is detachably butted and provided at the top end of the lower fixing block 6, and cooperates with the lower fixing block 6 to form an arc - shaped channel 61 for fixing the fork head 2 (both the opposite sides of the upper fixing block 60 and the lower fixing block 6 have through - grooves, and the two through - grooves are butted to form). Adopting this solution, during the installation process, the bottom end of the fork head 2 is placed in the through - groove of the lower fixing block 6 to butt the upper fixing block 60, and the upper fixing block 60 and the lower fixing block 6 are fixed by bolts to fixedly connect the fork rod 1 and the fork head 2.

[0060] In another technical solution, as Figure 1 shown, the fork rod 1 is composed of at least two sections of struts butt - jointed and fixed. Adopting this solution, the fork rod 1 can be a single rod or composed of at least two sections of struts butt - jointed and fixed, and the butting method is any existing one, specifically it can be screwed connection.

[0061] In another technical solution, as Figure 1 、 Figure 4 shown, adjacent two - section struts are butt - jointed and fixed through a set of connecting mechanisms. Each set of connecting mechanisms includes:

[0062] 5 sets of sliders and a protective sleeve 50. The 5 sets of sliders and the protective sleeve 50 are arranged on the outer side of the end of one of the struts and are arranged in sequence along the direction away from the end of the strut. The 5 sets of sliders include at least two sliders 5 arranged at intervals along the circumferential direction of the strut. The protective sleeve 50 is screwed to the strut;

[0063] A receiving groove 51 is arranged at the end of the other strut. The side wall of the receiving groove 51 has a slideway corresponding to each slider 5. Each slideway includes an insertion part 52, a turning part 53, and a positioning part 54 that are sequentially connected and vertically arranged. The insertion part 52 is arranged along the length direction of the strut and penetrates through the end of the corresponding strut to form a notch for the slider 5 to enter. The positioning part 54 and the insertion part 52 are on the same side of the turning part 53;

[0064] Among them, when the sliders 5 are respectively located at the corresponding positioning parts 54, rotate the protective sleeve 50 so that its end abuts against the end of the opposite strut, so as to butt and fix two adjacent struts. Preferably, when the slider 5 is located at the corresponding positioning part 54, the top end of the slider 5 does not protrude from the top surface of the positioning part 54. In the above technical solution, the 5 sets of sliders include at least two sliders 5. Preferably, the 5 sets of sliders include 2 - 3 sliders 5. Further preferably, at least two sliders 5 are arranged at equal intervals. The end of the strut has an external thread, and the inner side wall of the protective sleeve 50 has a corresponding internal thread, so that the protective sleeve 50 is screwed to the strut. Preferably, the end of the other strut is fixedly connected with a connecting sleeve, and the part of the connecting sleeve protruding from the strut constitutes the receiving groove 51. During use, the sliders 5 on one strut correspond to the insertion parts 52 on the other strut one by one, and move relatively until the slider 5 abuts against the insertion part 52. Rotate the strut with the slider 5 along the orientation of the turning part 53, so that the slider 5 moves in the turning part 53 until it abuts against the side wall of the positioning part 54. Move the pair of struts away from each other along the circumferential direction of the strut, so that the slider 5 abuts against the end of the positioning part 54 far from the corresponding turning part 53. Rotate the protective sleeve 50 until the protective sleeve 50 abuts against the end of the other strut (the end of the connecting sleeve), realizing the fixation between adjacent struts. Adopting this solution, through the setting of the protective sleeve 50, in cooperation with the settings of the receiving groove 51 and the sliders 5, the connection stability is improved, and at the same time, it has an anti-unlocking function, increasing the unlocking difficulty for certain types of personnel.

[0065] In another technical solution, the 5 sets of sliders include two arranged at equal intervals along the circumferential direction of the strut. Adopting this solution, while achieving stable fixation, the number of slideways is reduced. While meeting the function of butt joint and fixation, the bending and tensile resistance capabilities of the fork rod 1 are ensured.

[0066] In another technical solution, as Figure 1 、 Figure 3As shown, a straight, annular handle 7 is provided at one end of the fork rod away from the fork head. The annular handle 7 can be a triangle, a quasi-triangle (the sides of the triangle have a certain curvature), a square, a circle, etc., which can provide a closed loop. Figures 5-8 As shown, when the handle 7 is linear, the handle 7 is connected to the fork rod through a boost mechanism, and the boost mechanism includes:

[0067] The boosting groove 8 is formed by being recessed along the end of the handle 7. The inner wall of the boosting groove 8 is contracted to form a retaining ring 80. The retaining ring 80 separates the boosting groove 8 into a first groove body 81 and a second groove body 82 in a direction away from the groove bottom. The side wall of the first groove body 81 is penetrated by a through hole 83. The side wall of the second groove body 82 is provided with at least one slide groove 84 along its length direction, preferably two slide grooves symmetrically arranged about the central axis of the second groove body 82.

[0068] A booster rod 85 is provided at the end of the fork rod, and a booster block 86 matching the slide groove 84 is provided at the connection with the fork rod, so that the booster rod 85 is slidably arranged in the booster groove 8, and the end of the booster rod 85 passes through the retaining ring 80, and a spring 87 is provided between the passing end and the groove bottom of the booster groove 8, wherein the booster rod 85 is preferably formed integrally with the fork rod;

[0069] The limit block 9 is elastically arranged in the first slot body 81, and the free end thereof passes through the through hole 83. The limit block 9 is penetrated by a limit hole 90, and the boost rod 85 passes through the limit hole 90, wherein a positioning rod 91 is arranged in the limit hole 90, and both ends of the side wall of the boost rod 85 are arranged with limit grooves 88 matching the positioning rod 91. When the limit block 9 is pressed to make the positioning rod 91 disengage from the limit groove 88, the boost rod 85 slides through the limit hole 90, and when the positioning rod 91 is limited to the limit groove 88 close to the spring 87, the spring 87 is in a compressed state. In the above technical scheme, the retaining ring 80 is preferably integrally formed with the boost groove 8, such as Figure 5 The limit block 9 can be set by pressing up and down. When no external force is applied, the limit block 9 protrudes from the through hole 83. During use, when a certain type of person needs to be captured and the boosting mechanism is not used for boosting, the positioning rod 91 is located in the limit groove 88 of the boosting rod 85 away from the spring 87, and the boosting block 86 abuts against one end of the slide groove 84 close to the spring 87. The free end of the limit block 9 passes through the through hole 83, and the spring 87 is in a compressed state. The arresting personnel pushes the fork head toward the capture part of a certain type of person to implement the capture;

[0070] When it is necessary to arrest a certain type of person and use the boosting mechanism for boosting, while the arresting person pushes the fork head towards the arresting part of the certain type of person and presses the limiting block 9 at the same time, when the positioning rod 91 disengages from the limiting groove 88, the boosting rod 85 moves towards the certain type of person under the action of the spring 87, increasing the moving speed of the fork head towards the certain type of person and improving the arresting effect. At the same time, when the certain type of person is arrested, the acting force on the limiting block 9 is released, and the positioning rod 91 is located in the limiting groove 88 of the boosting rod 85 close to the spring 87. While achieving positioning, the distance between the arresting person and the certain type of person is extended, improving the protection effect. Adopting this solution, the linear handle 7 is a non-slip handle 7, which is convenient for the arresting person to hold, and the ring handle 7 provides a space convenient for the operator to hold, and has an anti-seizure function.

[0071] The equipment quantities and processing scales described here are used to simplify the description of the present invention. The applications, modifications and variations of the police restraint fork of the present invention will be obvious to those skilled in the art.

[0072] Although the embodiments of the present invention have been disclosed as above, they are not limited to only the applications listed in the description and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the illustrated and described examples here.

Claims

1. Police restraint fork, characterized in that, include Fork lever; A fork head is arranged at one end of the fork rod, the fork head is arranged away from an opening at one end of the fork rod, and a pair of reset rotating rods are arranged opposite to each other at the opening to close the opening, and when a force is applied to the pair of reset rotating rods toward the fork rod, the pair of reset rotating rods rotate to open the opening; The first restraining belt has two ends fixedly connected to opposite ends of a pair of reset rotating rods; Wherein, the first restraining belt is an elastic belt-like structure; It also includes: a second restraint belt, which is a non-elastic belt-shaped structure, with two ends respectively fixed to the opposite ends of a pair of reset rotating rods, and is located at the periphery of the first restraint belt. When no external force is applied, the length of the second restraint belt is greater than the length of the first restraint belt; A linear handle is provided at one end of the fork rod away from the fork head, and the handle is connected to the fork rod through a boost mechanism, and the boost mechanism includes: An assisting groove is formed by being recessed along the end of the handle, and the inner wall of the assisting groove is contracted to form a retaining ring, which separates the assisting groove into a first groove body and a second groove body in a direction away from the groove bottom, and the side wall of the first groove body is penetrated by a through hole, and the side wall of the second groove body is provided with at least one sliding groove along its length direction; A boost rod, which is arranged at the end of the fork rod, and has a boost block matching the slide groove at the connection with the fork rod, so that the boost rod is slidably arranged in the boost groove, and the end passes through the retaining ring, and a spring is arranged between the passing end and the bottom of the boost groove; A limit block is elastically arranged in the first groove body, and its free end passes through the through hole. The limit block is penetrated by a limit hole, and the booster rod passes through the limit hole, wherein a positioning rod is arranged in the limit hole, and limit grooves matching the positioning rod are arranged at both ends of the side walls of the booster rod. When the limit block is pressed to make the positioning rod disengage from the limit groove, the booster rod slides through the limit hole, and when the positioning rod is limited to the limit groove close to the spring, the spring is in a compressed state.

2. The police restraint fork according to claim 1, characterized in that, After the corresponding ends of the first restraint belt and the second restraint belt are overlapped, the mounting holes are bound; The free end of each reset rotating rod is recessed with a mounting groove to accommodate and fix the overlapped ends of the first restraining belt and the second restraining belt.

3. The police restraint fork according to claim 1, characterized in that, Each reset rotating rod is connected to the corresponding open end of the fork head through a locking assembly, and each locking assembly includes: A connecting piece, which is fixedly arranged at the open end of the fork head, and the reset rotating rod is rotatably connected to the connecting piece; a limit rod, which is arranged on the connecting member, and when the reset rotating rod closes the opening, the reset rotating rod abuts against the limit rod to limit the movement of the free end of the reset rotating rod in a direction away from the fork rod; A tension spring, one end of which is connected to one end of the reset rotating rod located in the connecting piece, and the other end is arranged on the connecting piece. When no external force is applied, the tension spring pulls the reset rotating rod to close the opening.

4. The police restraint fork according to claim 1, characterized in that, Also includes: A lower fixing block, which is fixed to one end of the fork rod connected to the fork head; The upper fixing block is detachably connected to the top of the lower fixing block and cooperates with the lower fixing block to form an arc-shaped channel for fixing the fork head.

5. The police restraint fork according to claim 1, characterized in that, The fork rod is composed of at least two supporting rods that are butt-jointed and fixed.

6. The police restraint fork according to claim 5, characterized in that, Two adjacent support rods are butt-jointed and fixed by a set of connecting mechanisms, each of which includes: Slider group and protective sleeve. The slider group and the protective sleeve are arranged on the outer side of the end of one of the struts and are arranged in sequence along the direction away from the end of the strut. The slider group includes at least two sliders arranged at intervals along the circumferential direction of the strut, and the protective sleeve is screwed to the strut. Receiving groove, which is arranged at the end of the other strut. The side wall of the receiving groove has a slideway corresponding to each slider. Each slideway includes an insertion part, a turning part, and a positioning part that are sequentially connected and vertically arranged. The insertion part is arranged along the length direction of the strut and penetrates through the corresponding end of the strut to form a notch for the slider to enter. The positioning part and the insertion part are on the same side of the turning part. Wherein, when the sliders are respectively located at the corresponding positioning parts, the protective sleeve is rotated so that its end abuts against the end of the opposite strut, so as to butt and fix two adjacent struts.

7. The police restraint fork according to claim 6, characterized in that, The slider group includes two arranged at equal intervals along the circumferential direction of the strut.

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