CN114216364B

CN114216364B - Trigger type explosion-proof catching fork

Info

Publication number: CN114216364B
Application number: CN202111284198.7A
Authority: CN
Inventors: 王群; 印杰; 张军; 梁广俊; 王佳骐; 宋承坤; 苏甫
Original assignee: JIANGSU POLICE INSTITUTE
Current assignee: JIANGSU POLICE INSTITUTE
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-06-28
Anticipated expiration: 2041-11-01
Also published as: CN114216364A

Abstract

The invention discloses a trigger type explosion-proof catching fork, which relates to the technical field of police instruments and comprises a fork head, a rod body, a trigger mechanism and an electric shock mechanism, wherein the fork head is of an arc structure and is fixed at the top of the rod body, a pin tumbler lock is arranged at an opening at the lower side of the fork head, the trigger mechanism is arranged in a chute of the fork head and slides in the fork head under the trigger of a trapper to finally insert the outer end of the trigger mechanism into the pin tumbler lock for locking, and a lock plate of the trigger mechanism can trigger the electric shock mechanism on the fork head to be opened or closed to carry out electric shock or stop electric shock on lawless persons when moving in the chute. The device avoids that a capturer controls the head of the fork to form a closed ring to grasp a lawbreaker by manually controlling a mechanical structure on the rod part and starts the electrode needle to carry out electric shock on the lawbreaker, so that the operation is more convenient and faster.

Description

Trigger type explosion-proof catching fork

Technical Field

The invention relates to the technical field of police instruments, in particular to a trigger type explosion-proof arresting fork.

Background

An explosion-proof steel fork is invented for preventing violence, the existing explosion-proof steel fork comprises a rod part and a fork head part, the fork head part is in a semicircular ring shape and is often used in public places such as schools, kindergartens, railway stations and the like to control lawless persons who will infringe other people or are infringing other people, when the traditional explosion-proof steel fork catches the lawless persons, a catcher generally needs to manually control a mechanical structure on the rod part to control the fork head part to form a closed ring to catch the lawless persons or open an electrode on the fork head part to shock the lawless persons, but the catching site is usually abnormal tension and disputed for seconds, and when the catcher operates improperly or operates untimely, the lawless persons can escape.

Disclosure of Invention

The invention aims to provide a trigger type explosion-proof capture fork, which overcomes the defects in the prior art.

The utility model provides an explosion-proof fork of arresting of trigger formula, includes jaw, the body of rod, trigger mechanism and electric shock mechanism, the jaw is circular arc structure and is fixed in the top of the body of rod, the downside opening part of jaw is equipped with the marble lock, trigger mechanism locates in the spout of jaw and slides under the trigger of arrestee in the jaw and finally inserts its outer end in the marble lock and pins, and the electric shock mechanism that can trigger on the jaw when the jam plate of trigger mechanism removes in the spout opens or closes and carry out the electric shock or stop the electric shock to lawless persons.

Preferably, the trigger mechanism comprises a locking plate, a sliding block, a trigger inner plate, a clamping plate and an ejection spring, a locking groove matched with the pin tumbler lock is formed in the outer end of the locking plate, the sliding block is connected to the fork head in a sliding mode, the inside of the sliding block is of a hollow structure, the inside of the sliding block is fixed with the locking plate through a connecting plate, the trigger inner plate is arranged on the inner side of the fork head, a plurality of guide rods are arranged on the side face of the trigger inner plate, the guide rods are connected with the sliding block in a sliding mode, the inner side of the guide rods is fixed with the clamping plate in the sliding groove, a clamping hook is arranged on the upper side of the clamping plate, a clamping groove matched with the clamping hook is formed in the fork head, the guide rods are sleeved with the trigger spring between the sliding block and the trigger inner plate, and the ejection spring is arranged in the sliding groove, one end, close to the pin tumbler lock, of the ejection spring is located between the pin tumbler lock and the locking plate, and is fixed with the inner wall of the sliding groove.

Preferably, the rod body includes ejector pin, sill bar and flexible subassembly, the ejector pin is fixed in the lower extreme of jaw and pegs graft in the sill bar, carries out the change of length through flexible subassembly between ejector pin and the sill bar, flexible subassembly includes fixed pipe, shell fragment and sleeve pipe, fixed pipe is coaxial to be located the upper end of sill bar and its outside is equipped with the external screw thread, the shell fragment is equipped with a plurality of and along the circumference equipartition of fixed pipe, all is equipped with the conical surface on every shell fragment, the sleeve pipe box is located on the ejector pin, the sleeve pipe inboard be equipped with fixed pipe on the external screw thread complex internal thread, the coaxial taper sleeve that is equipped with in sleeve pipe upper portion.

Preferably, the electric shock mechanism comprises an electrode needle, an insulating block and a separating insulating rod, the electrode needle is fixed on the inner side of the fork head, the insulating block is provided with two insulating blocks and is respectively fixed at two ends of a notch on the fork head, a lower conducting rod is fixed in each insulating block, a lower conducting block is fixed at the top of the lower conducting rod, an upper conducting rod is connected on the insulating block in a sliding manner, an upper conducting block is fixed at the bottom of the upper conducting rod, a reset spring is sleeved on the upper conducting rod between the insulating block and the upper conducting block, the separating insulating rods are provided with two insulating blocks and are respectively fixed on the locking plate, an insulating plug block used for being inserted between the lower conducting block and the upper conducting block is fixed on one side of the separating insulating rod facing the corresponding insulating block, one end of the electrode needle is electrically connected with one of the upper conducting rods through a wire, the other end of the electrode needle is electrically connected with the other upper conducting rod, and the negative pole of the power supply is electrically connected with one of the lower conducting rods, the positive pole of the power supply is electrically connected with the other lower conducting rod.

Preferably, the lower end of the bottom rod is provided with a window breaking cone.

Preferably, the bottom rod is provided with an anti-skid rubber sleeve.

The invention has the following advantages:

when the locking device is used, the rod body is swung to throw the fork head from the side to a lawless person, when the body part of the lawless person is positioned in the fork head, the body of the lawless person presses the trigger inner plate, the guide rod moves on the sliding block, the trigger spring is compressed, the clamping hook of the clamping plate is separated from the clamping groove on the fork head, the locking plate is not blocked, under the elastic force of the ejection spring in the sliding groove, the locking plate is quickly ejected out along the sliding groove and is inserted into the pin tumbler lock by virtue of the elastic force, the locking groove on the locking plate is locked with the pin tumbler lock, the lawless person is locked at the moment, the fork head can be automatically and quickly sealed by the trigger mechanism on the fork head, and the electrode needle of the electric shock mechanism is driven to be electrified or disconnected in the moving process of the locking plate, so that the electric shock or the electric shock of the lawless person is conveniently carried out, and the situation that the capturer controls the fork head to form a closed circular ring to seize the lawless person and starts the electrode needle to seize the lawless person is avoided by controlling the mechanical structure on the rod manually Carry out the electric shock, make the operation more convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged view of a point a in fig. 1.

FIG. 3 is a schematic view of the present invention before being mounted on a rod.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a cross-sectional view of the slider of fig. 3.

Fig. 6 is a partially enlarged view of fig. 5 at C.

Fig. 7 is a schematic structural view of fig. 3 when the trigger inner plate is not mounted.

Fig. 8 is a partial enlarged view of fig. 7 at D.

Wherein: 1. the electric shock device comprises a fork head, 11, a sliding groove, 12, a clamping groove, 2, a rod body, 21, an ejector rod, 22, a bottom rod, 23, a telescopic component, 231, a fixing pipe, 2311, external threads, 232, an elastic sheet, 2321, a conical surface, 233, a sleeve, 234, a taper sleeve, 3, a pin tumbler lock, 4, a trigger mechanism, 41, a lock plate, 411, a locking groove, 42, a sliding block, 421, a connecting plate, 43, a trigger inner plate, 44, a guide rod, 45, a clamping plate, 46, a clamping hook, 47, a trigger spring, 48, an ejection spring, 5, a window breaking cone, 6, an anti-skidding rubber sleeve, 7, an electric shock mechanism, 71, an electric shock needle, 72, an insulating block, 73, a lower conductive rod, 74, a lower conductive block, 75, an upper conductive rod, 76, an upper conductive block, 77, a reset spring, 78, a separation insulating rod, 79 and an insulating plug.

Detailed Description

The following detailed description of the embodiments of the present invention is provided to help those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention by describing the embodiments with reference to the accompanying drawings.

As shown in fig. 1-8, the invention provides a triggered explosion-proof arresting fork, which comprises a fork head 1, a rod body 2, a triggering mechanism 4 and an electric shock mechanism, wherein the fork head 1 is in an arc structure and is fixed at the top of the rod body 2, a pin tumbler lock 3 is arranged at an opening at the lower side of the fork head 1, the triggering mechanism 4 is arranged in a chute 11 of the fork head 1 and slides in the fork head 1 under the trigger of a trapper to finally insert the outer end of the fork tumbler lock 3 for locking, and when a lock plate 41 of the triggering mechanism 4 moves in the chute 11, the electric shock mechanism 7 on the fork head 1 is triggered to be opened or closed to carry out electric shock or stop electric shock on a lawless person.

It should be noted that the trigger mechanism 4 includes a lock plate 41, a slide block 42, a trigger inner plate 43, a catch plate 45 and an ejector spring 48, the locking plate 41 is slidably connected in the sliding slot 11 of the fork head 1 and the outer end thereof is provided with a locking slot 411 matched with the pin tumbler lock 3, the slide block 42 is connected on the fork head 1 in a sliding way, the interior of the slide block 42 is of a hollow structure, the interior of the slide block 42 is fixed with the lock plate 41 through the connecting plate 421, the trigger inner plate 43 is arranged on the inner side of the fork head 1, the side surface of the trigger inner plate is provided with a plurality of guide rods 44, the guide rods 44 are connected with the sliding block 42 in a sliding way, the inner side of the guide rods 44 is fixed with the clamping plate 45 in the sliding groove 11, a clamping hook 46 is arranged on the upper side of the clamping plate 45, a clamping groove 12 matched with the clamping hook 46 is arranged on the fork head 1, a trigger spring 47 is sleeved on the guide rod 44 between the sliding block 42 and the trigger inner plate 43, the ejection spring 48 is arranged in the sliding chute 11, is positioned between the pin tumbler lock 3 and the lock plate 41, and is fixed with the inner wall of the sliding chute 11 at one end close to the pin tumbler lock 3.

In addition, the rod body 2 comprises a top rod 21, a bottom rod 22 and a telescopic assembly 23, the top rod 21 is fixed at the lower end of the fork 1 and inserted into the bottom rod 22, the length between the top rod 21 and the bottom rod 22 is changed by the telescopic assembly 23, the telescopic assembly 23 comprises a fixed tube 231, a spring plate 232 and a sleeve 233, the fixed tube 231 is coaxially arranged at the upper end of the bottom rod 22 and is provided with an external thread 2311 at the outer side, the elastic pieces 232 are provided with a plurality of elastic pieces which are uniformly distributed along the circumference of the fixed pipe 231, each elastic piece 232 is provided with a conical surface 2321, the sleeve 233 is sleeved on the top rod 21, the inner side of the sleeve 233 is provided with an internal thread matched with the external thread 2311 on the fixing tube 231, the upper part of the sleeve 233 is coaxially provided with a taper sleeve 234, the lower end of the bottom rod 22 is provided with a window breaking taper 5, can deal with key moments such as broken window, be equipped with anti-skidding rubber sleeve 6 on the sill bar 22, make things convenient for the person of arresting to hold down the sill bar 22 tightly.

It should be noted that the electric shock mechanism 7 includes an electrode pin 71, two insulating blocks 72 and a separating insulating rod 78, the electrode pin 71 is fixed inside the fork 1, the two insulating blocks 72 are provided and fixed at two ends of a gap on the fork 1, a lower conductive rod 73 is fixed in each insulating block 72, a lower conductive rod 74 is fixed at the top of the lower conductive rod 73, an upper conductive rod 75 is connected on the insulating block 72 in a sliding manner, an upper conductive block 76 is fixed at the bottom of the upper conductive rod 75, a return spring 77 is sleeved on the upper conductive rod 75 between the insulating block 72 and the upper conductive block 76, the two separating insulating rods 78 are provided and fixed on the locking plate 41, an insulating plug 79 for inserting between the lower conductive block 74 and the upper conductive block 76 is fixed at one side of the separating insulating rod 78 facing the corresponding insulating block 72, one end of the electrode pin 71 is electrically connected with one of the upper conductive rods 75 through a wire, the other end of the electrode pin 71 is electrically connected to the other upper conductive rod 75, the negative pole of the power supply is electrically connected to one of the lower conductive rods 73, and the positive pole of the power supply is electrically connected to the other lower conductive rod 73.

The specific implementation mode and principle are as follows:

when the length of the rod body 2 needs to be adjusted: the fixed sleeve 233 is unscrewed from the fixed tube 231 of the bottom rod 22, the spring piece 232 on the fixed tube 231 loosens the top rod 21, then the top rod 21 is moved to an appropriate length, the sleeve 233 is screwed on the fixed tube 231, and the spring piece 232 on the fixed tube 231 fixes the top rod 21 under the action of the taper sleeve 234 on the sleeve 233.

When the lawless molecules need to be caught: at this time, the insulation insert 79 on the separation insulation rod 78 on the lower side of the lock plate 41 is inserted into the insulation block 72 on the lower side, so that the lower conductive block 74 and the upper conductive block 76 are separated from each other, the lower conductive block 74 and the upper conductive block 76 in the insulation block 72 on the upper side are in contact with each other under the elastic force of the return spring 77 on the upper conductive rod 75, when in use, a user holds the anti-slip rubber sleeve 6 of the bottom rod 22 with both hands, swings the rod body 2 to throw the fork 1 from the side to a lawless person, when the body part of the lawless person is in the fork 1, the body of the lawless person touches the trigger mechanism 4, namely, the trigger inner plate 43 is pressed to move the guide rod 44 on the slide block 42, the trigger spring 47 is compressed, the hook 46 of the catch plate 45 is separated from the slot 12 on the fork 1, at this time, the lock plate 41 is not obstructed, under the elastic force of the spring 48 in the chute 11, the lock plate 41 is ejected out along the chute 11 rapidly, and drives the insulation insertion block 79 on the lower separation insulation rod 78 to separate from the lower conductive block 74 and the upper conductive block 76, the upper conductive block 76 moves downwards under the action of the elastic force of the return spring 77 and contacts with the lower conductive block 74, so that the circuit is conducted, the electrode needle 71 is electrified to shock the lawless persons, the upper end of the lock plate 41 is inserted into the pin tumbler lock 3 in a clockwise manner by virtue of the elastic force, the insulation insertion block 79 on the upper separation insulation rod 78 is inserted into the lower conductive block 74 and the upper conductive block 76 to separate from each other, so that the circuit is disconnected, the electrode needle 71 stops shocking the lawless persons, the lock groove 411 on the lock plate 41 is locked with the pin tumbler lock 3, and the lawless persons are locked;

When a lawbreaker needs to be unlocked: the pin tumbler lock 3 is separated from the lock slot 411 of the lock plate 41 through a key matched with the pin tumbler lock 3, then the sliding block 42 is moved along the fork head 1 by hand, at the moment, the insulating insertion block 79 on the upper side separating insulating rod 78 is separated from the lower conductive block 74 and the upper conductive block 76, the lower conductive block 74 is contacted with the upper conductive block 76 under the action of the return spring 77, the lock plate 41 is moved by hand until the clamping plate 45 moves to the clamping slot 12 of the fork head 1, the guide rod 44 moves on the sliding block 42 under the action of the elastic force 47 of the trigger spring, so that the clamping hook 46 of the clamping plate 45 is clamped in the clamping slot 12, at the moment, the ejection spring 48 is compressed to wait for next triggering, and meanwhile, the insulating insertion block 79 on the lower side separating insulating rod 78 is inserted into the insulating block 72 on the lower side, so that the lower conductive block 74 and the upper conductive block 76 are separated from each other.

In summary, in the device of the present invention, the rod body 2 is swung to throw the fork head 1 from the side to the lawless person, when the body part of the lawless person is located in the fork head 1, the body of the lawless person presses the trigger inner plate 43, so that the guide rod 44 moves on the slider 42, the trigger spring 47 is compressed, the hook 46 of the snap plate 45 is separated from the slot 12 on the fork head 1, at this time, the lock plate 41 is not blocked, under the elastic force of the ejection spring 48 in the slot 11, the lock plate 41 is ejected out quickly along the slot 11, and inserted into the pin tumbler lock 3 by the elastic force, and locked with the pin tumbler lock 3 through the lock slot 411 on the lock plate 41, at this time, the lawless person is locked, the fork head 1 can be automatically and quickly closed by the trigger mechanism 4 on the fork head 1, and the electrode needle 71 of the electric shock mechanism 7 is driven to be powered on or off in the moving process of the lock plate 41, thereby facilitating the electric shock or stopping the electric shock on the lawless person, the mechanical structure on the manual control rod part of the catcher is prevented from controlling the fork head part 1 to form a closed ring to catch the lawless persons, and the electrode needle 71 is started to electrically shock the lawless persons, so that the operation is more convenient.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides an explosion-proof fork of arresting of trigger formula which characterized in that: the electric shock device comprises a fork head (1), a rod body (2), a trigger mechanism (4) and an electric shock mechanism, wherein the fork head (1) is of an arc structure and is fixed at the top of the rod body (2), a spring lock (3) is arranged at an opening at the lower side of the fork head (1), the trigger mechanism (4) is arranged in a chute (11) of the fork head (1) and slides in the fork head (1) under the trigger of a trapper to finally insert the outer end of the fork head into the spring lock (3) for locking, and an electric shock mechanism (7) on the fork head (1) is triggered to be opened or closed to carry out electric shock or stop electric shock on lawless persons when a lock plate (41) of the trigger mechanism (4) moves in the chute (11);

the trigger mechanism (4) comprises a lock plate (41), a sliding block (42), a trigger inner plate (43), a clamping plate (45) and an ejection spring (48), a lock groove (411) matched with the spring lock (3) is formed in the outer end of the lock plate (41), the sliding block (42) is connected to the fork head (1) in a sliding mode and is of a hollow structure, the sliding block (42) is fixed with the lock plate (41) through a connecting plate (421), the trigger inner plate (43) is arranged on the inner side of the fork head (1) and is provided with a plurality of guide rods (44) on the side face, the guide rods (44) are connected with the sliding block (42) in a sliding mode, the inner side of the guide rods (44) is fixed with the clamping plate (45) in the sliding groove (11), a clamping hook (46) is arranged on the upper side of the clamping plate (45), a clamping groove (12) matched with the clamping hook (46) is formed in the fork head (1), the guide rods (44) are sleeved with a trigger spring (47) between the sliding block (42) and the trigger inner plate (43), the ejection spring (48) is arranged in the sliding groove (11), is positioned between the spring lock (3) and the lock plate (41), and is fixed with the inner wall of the sliding groove (11) at one end close to the spring lock (3).

2. The trigger type explosion-proof capture fork of claim 1, wherein: the rod body (2) comprises an ejector rod (21), a bottom rod (22) and a telescopic component (23), the top rod (21) is fixed at the lower end of the fork head (1) and is inserted in the bottom rod (22), the length between the top rod (21) and the bottom rod (22) is changed through a telescopic component (23), the telescopic component (23) comprises a fixed pipe (231), an elastic sheet (232) and a sleeve pipe (233), the fixed pipe (231) is coaxially arranged at the upper end of the bottom rod (22) and is provided with an external thread (2311) at the outer side, the elastic sheets (232) are provided with a plurality of elastic sheets which are uniformly distributed along the circumference of the fixed pipe (231), each elastic sheet (232) is provided with a conical surface (2321), the ejector rod (21) is sleeved with the sleeve (233), an internal thread matched with the external thread (2311) on the fixing pipe (231) is arranged on the inner side of the sleeve (233), and a taper sleeve (234) is coaxially arranged at the upper part of the sleeve (233).

3. The trigger type explosion-proof capture fork of claim 1, wherein: the electric shock mechanism (7) comprises an electrode needle (71), insulating blocks (72) and a separation insulating rod (78), the electrode needle (71) is fixed on the inner side of the fork head (1), the insulating blocks (72) are provided with two ends which are respectively fixed on the upper notch of the fork head (1), a lower conducting rod (73) is fixed in each insulating block (72), a lower conducting block (74) is fixed at the top of the lower conducting rod (73), an upper conducting rod (75) is connected on the insulating block (72) in a sliding manner, an upper conducting block (76) is fixed at the bottom of the upper conducting rod (75), a reset spring (77) is sleeved between the insulating blocks (72) and the upper conducting block (76) of the upper conducting rod (75), the separation insulating rod (78) is provided with two ends which are respectively fixed on the locking plate (41), and an insulating plug block (79) used for inserting between the lower conducting block (74) and the upper conducting block (76) is fixed on one side of the separation insulating rod (78) facing the corresponding insulating block (72), one end of the electrode needle (71) is electrically connected with one of the upper conducting rods (75) through a lead, the other end of the electrode needle (71) is electrically connected with the other upper conducting rod (75), the negative pole of the power supply is electrically connected with one of the lower conducting rods (73), and the positive pole of the power supply is electrically connected with the other lower conducting rod (73).

4. The trigger type explosion-proof capture fork of claim 2, wherein: the lower end of the bottom rod (22) is provided with a window breaking cone (5).

5. The trigger type explosion-proof capture fork of claim 2, wherein: and an anti-skidding rubber sleeve (6) is arranged on the bottom rod (22).