CN111578777B

CN111578777B - Efficient is alert with breaking window pole

Info

Publication number: CN111578777B
Application number: CN202010405059.4A
Authority: CN
Inventors: 张彬
Original assignee: Huaibei Xingcheng Information Technology Co ltd
Current assignee: Huaibei Xingcheng Information Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2022-12-13
Anticipated expiration: 2040-05-14
Also published as: CN111578777A

Abstract

The invention relates to the technical field of police appliances and discloses an efficient police window breaking rod which comprises a transmitting device, wherein the transmitting device comprises a transmitting tube, a sliding groove is formed in one side of the outer surface of the transmitting tube, an excitation device is movably sleeved in the sliding groove, a restraint groove is formed in one side of the sliding groove, restraint strips are fixedly mounted on two sides of the interior of the restraint groove, a window breaking device is movably sleeved in the interior of the transmitting device, a safety device is movably sleeved at the bottom of the window breaking device and located at the bottom of an inner cavity of the transmitting device, and an excitation device is movably sleeved at one side of the outer surface of the transmitting device. The window breaking device is sleeved in the inner portion of the transmitting device in a movable mode, the bottom of the ejecting spring is connected with the window breaking device, when the ejecting spring is excited, the ejecting spring drives the window breaking device to eject, the window breaking device is emitted from the inner cavity of the transmitting device, the tip of the window breaking device is in contact with the window glass, the glass can be directly broken, and the window breaking efficiency of the device is improved.

Description

Efficient is alert with breaking window pole

Technical Field

The invention relates to the technical field of police appliances, in particular to a high-efficiency window breaking rod for police.

Background

A traffic police or a police often refuses to get off the vehicle to take an investigation on a road on duty, and then warns for many times, law enforcement officers can take window breaking measures according to law, at the moment, a window breaking rod is used, the window breaking rod is arranged by adopting a metal straight rod, one end of the window breaking rod is held by a hand to swing the other section of glass, the glass is broken, and the vehicle interior officers are controlled.

But all adopt toughened glass on the present vehicle basically, but adopt the broken window pole of metal to break window efficiency very low, can often appear knocking many times and just can make glass take place the breakage to whole still intact behind the toughened glass breakage needs to take subsequent measure to accomplish and breaks the window, the navigating mate in the control car, this process consumes a large amount of time, if the personnel in the car make the violent action directly start the car, the traffic police or the police that are close to the car often can be dragged by the vehicle drive and cause law enforcement personnel injured or even injures and deaths, for this reason, provide a high efficiency police and use broken window pole, aim at solving the above-mentioned problem that provides.

Disclosure of Invention

Aiming at the defects of the existing police window breaking rod in the use process in the background technology, the invention provides the high-efficiency police window breaking rod which has the advantage of being capable of breaking a window quickly and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides an efficient is alert with broken window pole, includes emitter, emitter's inside activity has cup jointed broken window device, broken window device bottom just is located the position of emitter inner chamber bottom and has movably cup jointed safeties, one side activity of emitter surface has cup jointed excitation device.

Preferably, emitter includes the launching tube, the sliding tray has been seted up to one side of launching tube surface, excitation device has been cup jointed in the inside activity of sliding tray, restraint groove has been seted up to one side of sliding tray, restraint inslot's both sides fixed mounting has restraint strip, restraint inslot's one end fixed mounting has the spring joint piece, the both sides fixed mounting of launching tube inner chamber has ejection spring, ejection spring's bottom links to each other with broken window device, reset bar hole has been seted up to the opposite side of launching tube surface, the rotation groove has been seted up to the bottom of launching tube inner chamber, fixed welding has the contained angle alpha between stopper and the stopper both sides to be twenty degrees on the inner wall in rotation groove.

Preferably, the window breaking device comprises a striker head, a slide rod is fixedly mounted at the bottom of the striker head, a cross groove is formed in the bottom of the striker head, impact rods are fixedly mounted in the cross groove, the impact rods are distributed outside the slide rod in an annular array manner, a slide block is movably sleeved on the position, close to the bottom, of the outer surface of the slide rod, one end of each impact rod is fixedly connected with the slide block, a striker base is fixedly mounted at one end of the bottom of each impact rod, the bottom of each ejection spring is connected with the top of the striker base, a fixture block is fixedly mounted at the bottom of each striker base and movably sleeved with a safety device, a reset handle is arranged on the position, close to the top, of the outer surface of the striker base, the reset handle can rotate around a shaft, and the bottom of each slide block, provided with a reset spring I and the bottom of the reset spring I is connected with the striker base.

Preferably, the impact rod is including linking axle I, linking axle II, linking axle III, the surface activity of linking axle I has cup jointed connecting rod I, the one end of connecting rod I with link II activities and cup joint, link axle III and the one end activity of connecting rod II cup joint, the both ends fixed mounting of linking axle I is in the cross recess that hits the syringe needle bottom, link the top of the both ends fixed mounting of axle III at the slider, the inboard fixed mounting of connecting rod II has the reinforcement piece, spring joint piece and reinforcement piece joint.

Preferably, the striker rod includes an angle β of ten degrees with the vertical plane in the unexcited state.

Preferably, the safety device comprises a safety main body, the top of the safety main body is provided with a safety clamping sheet, the top of the safety clamping sheet is provided with a trigger groove, the trigger groove is matched with the clamping block, the top of the safety main body is provided with a limit groove, and the limit groove is matched with the limit block.

Preferably, excitation device includes the slide, the inside at the sliding tray is cup jointed in the slide activity, the inside activity that the top of slide was provided with through-hole and this through-hole has cup jointed the button, the outside fixed mounting of button bottom has reset spring II, the button bottom is located central point and puts fixed mounting and have the T type piece of preventing mistaking touch, the one side of preventing mistaking touch T type piece contacts with the restraint strip, the bottom fixed mounting of slide has the trigger, the surface and the spring card joint piece of trigger laminate mutually.

Preferably, the two sides of the limiting groove are respectively provided with a contact surface I and a contact surface II, and an included angle gamma between the contact surface I and the contact surface II is one hundred and ten degrees.

The invention has the following beneficial effects:

1. the window breaking device is movably sleeved in the launching device, and is connected with the window breaking device through the bottom of the ejection spring, when the window breaking device is excited, the ejection spring drives the window breaking device to eject, the window breaking device is launched out from the inner cavity of the launching device, the tip of the window breaking device is contacted with the window glass of a vehicle, the glass can be directly crushed, the window breaking efficiency of the device is improved, meanwhile, the sliding block is movably sleeved on the position, close to the bottom, of the outer surface of the sliding rod, when the speed of the window glass is reduced after the collision needle head collides with the window glass of the vehicle, the sliding block can slide on the surface of the sliding rod, the two ends of the connecting shaft I are fixedly arranged in the cross grooves at the bottom of the collision needle head, the two ends of the connecting shaft III are fixedly arranged at the top of the sliding block, the striking rod is ten degrees with vertical face contained angle beta under the unexcited state, drive the striking rod and take place to buckle when making the slider slide, and along with the syringe needle invades glass, connecting rod I in the striking rod that takes place to buckle can continue striking glass, the penetrating hole that the syringe needle formed on glass of vehicle window further invades, break through hole structure all around, reduce the holistic stability of glass of vehicle window, the basis that provides for subsequent strike broken window fast, on the other hand, when connecting rod I contacts glass, glass can prevent to break window device further invasion glass entering driver's cabin with the reverse effort of connecting axle II, prevent that broken window device from directly penetrating through glass and jet into the driver's cabin and cause the casualties in the car.

2. According to the window breaking device, the reset spring I is fixedly installed at the bottom of the sliding block, the bottom of the reset spring I and the striker base are fixedly installed, when the inertia of the sliding block disappears, the reset spring I can reset the sliding block, the impact rod can restore to the initial position, a foundation is provided for the window breaking device to be capable of being reset quickly, on the other hand, the reset handle is arranged on the position, close to the top, of the outer surface of the striker base and can rotate around a shaft, the striker base is dragged to pull the window breaking device back to the inner cavity of the launching device quickly, the window breaking device can be fixed in the inner cavity of the launching device through the clamping connection of the reinforcing sheet and the spring clamping sheet, meanwhile, when the window breaking device moves quickly at the moment of being excited, the reset handle rotates due to the inertia of keeping still, the window breaking device is kept inside the reset bar-shaped hole after being excited, the situation that the reset bar-shaped hole cannot impact a hand when a law enforcement officer uses the window breaking device is guaranteed, and the launching process of the window breaking device is hindered.

3. According to the invention, one side of the anti-false touch T-shaped block is in contact with the constraint strip, so that the button cannot move when not pressed down, the condition that the device is triggered due to false touch is avoided, and the stability of the device is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic cross-sectional front view of a structural transmitter of the present invention;

FIG. 5 is a schematic right-side cross-sectional view of a structural transmitter of the present invention;

FIG. 6 is a schematic view of the structure of the present invention showing the connection of the ejection spring to the device base;

FIG. 7 is an enlarged view of the point C in FIG. 5 according to the present invention;

FIG. 8 is a schematic cross-sectional view taken at A in FIG. 5 according to the present invention;

FIG. 9 is a schematic cross-sectional view taken at B in FIG. 5 according to the present invention;

FIG. 10 is a schematic view of a structural window breaking device according to the present invention;

FIG. 11 is a schematic cross-sectional view of a structural window breaking device according to the present invention;

FIG. 12 is a schematic view of a striker bar of the present construction;

FIG. 13 is a cross-sectional schematic view of a structural striker bar of the present invention;

FIG. 14 is a schematic view of a structural fuse of the present invention;

FIG. 15 is a schematic top view of a structural fuse in accordance with the present invention;

FIG. 16 is a schematic view of a structural excitation device according to the present invention.

In the figure: 1. a transmitting device; 11. a launch tube; 12. a sliding groove; 13. a confinement groove; 14. a restraint strip; 15. a spring clip; 16. an ejection spring; 17. resetting the strip-shaped hole; 18. a rotating groove; 19. a limiting block; 2. a window breaking device; 21. knocking the needle head; 22. a slide bar; 23. a striker bar; 231. a connecting shaft I; 232. a connecting shaft II; 233. a connecting shaft III; 234. a connecting rod I; 235. a connecting rod II; 236. a reinforcing sheet; 24. a slider; 25. a striker base; 26. a clamping block; 27. resetting the handle; 28. a return spring I; 3. a safety device; 31. a fuse body; 32. an insurance card tab; 33. a trigger slot; 34. a limiting groove; 4. an excitation device; 41. a slide sheet; 42. a button; 43. a return spring II; 44. preventing mistakenly touching the T-shaped block; 45. and a trigger.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-16, a high-efficiency police window breaking rod comprises a transmitting device 1, the transmitting device 1 comprises a transmitting tube 11, one side of the outer surface of the transmitting tube 11 is provided with a sliding groove 12, the inside of the sliding groove 12 is movably sleeved with an excitation device 4, one side of the sliding groove 12 is provided with a restraint groove 13, two sides of the inside of the restraint groove 13 are fixedly provided with restraint strips 14, one end of the inside of the restraint groove 13 is fixedly provided with a spring clamping piece 15, two sides of the inner cavity of the transmitting tube 11 are fixedly provided with ejection springs 16, the bottoms of the ejection springs 16 are connected with a window breaking device 2, the other side of the outer surface of the transmitting tube 11 is provided with a reset strip hole 17, the bottom of the inner cavity of the transmitting tube 11 is provided with a rotating groove 18, the inner wall of the rotating groove 18 is fixedly welded with a limiting block 19, an included angle α between two sides of the limiting block 19 is twenty degrees, the inside of the transmitting device 1 is movably sleeved with the window breaking device 2, the window breaking device 2 comprises a collision needle head 21, a sliding rod 22 is fixedly installed at the bottom of the collision needle head 21, a cross groove is formed in the bottom of the collision needle head 21, a collision rod 23 is fixedly installed in the groove, an included angle beta between the collision rod 23 and a vertical surface is ten degrees in an unexcited state, the collision rod 23 comprises a connecting shaft I231, a connecting shaft II 232 and a connecting shaft III 233, a connecting rod I234 is movably sleeved on the outer surface of the connecting shaft I231, one end of the connecting rod I234 is movably sleeved with the connecting shaft II 232, the connecting shaft III 233 is movably sleeved with one end of a connecting rod II 235, two ends of the connecting shaft I231 are fixedly installed in the cross groove in the bottom of the collision needle head 21, reinforcing plates 236 are fixedly installed on the inner side of the connecting rod II 235, the collision rods 23 are four in number and distributed on the outer side of the sliding rod 22 in an annular array manner, a sliding block 24 is movably sleeved on the position, close to the outer surface of the bottom of the sliding rod 22, one end of the collision rod 23 is fixedly connected with the sliding block 24, the two ends of the connecting shaft III 233 are fixedly arranged on the top of the sliding block 24, one end of the bottom of the striking rod 23 is fixedly provided with a striking pin base 25, the bottom of the ejection spring 16 is connected with the top of the striking pin base 25, the bottom of the striking pin base 25 is fixedly provided with a clamping block 26, a reset handle 27 is arranged on the position, close to the top, of the outer surface of the striking pin base 25, the reset handle 27 can rotate around a shaft, the bottom of the sliding block 24 is fixedly provided with a reset spring I28, the bottom of the reset spring I28 is connected with the striking pin base 25, the bottom of the window breaking device 2 is movably sleeved with the safety device 3 at the position, which is positioned at the bottom of the inner cavity of the launching device 1, the safety device 3 comprises a safety main body 31, the top of the safety main body 31 is provided with a safety clamping sheet 32, the top of the safety clamping sheet 32 is provided with a trigger groove 33, the trigger groove 33 is matched with the clamping block 26, and the top of the safety main body 31 is provided with a limit groove 34, the limiting groove 34 is matched with the limiting block 19, the clamping block 26 is movably sleeved with the safety device 3, two sides of the limiting groove 34 are respectively provided with a contact surface I34 a and a contact surface II 34b, an included angle gamma between the contact surface I34 a and the contact surface II 34b is one hundred and ten degrees, the excitation device 4 is movably sleeved on one side of the outer surface of the emission device 1, the excitation device 4 comprises a sliding sheet 41, the sliding sheet 41 is movably sleeved inside the sliding groove 12, the top of the sliding sheet 41 is provided with a through hole, the through hole is movably sleeved with a button 42, a reset spring II 43 is fixedly installed on the outer side of the bottom of the button 42, the bottom of the button 42 is located at the center and fixedly provided with a mistaken-touch preventing T-shaped block 44, one side of the mistaken-touch preventing T-shaped block 44 is in contact with the restraint strip 14, a trigger 45 is fixedly installed at the bottom of the sliding sheet 41, and the outer surface of the trigger 45 is attached to the spring clamping sheet 15.

Wherein, the window breaking device 2 is movably sleeved in the launching device 1, and is connected with the window breaking device 2 through the bottom of the ejection spring 16, when the window breaking device 2 is excited, the ejection spring 16 drives the window breaking device 2 to eject, the window breaking device 2 is ejected from the inner cavity of the launching device 1, the tip of the window breaking device 2 is contacted with the window glass to directly break the glass, the window breaking efficiency of the device is improved, meanwhile, the sliding block 24 is movably sleeved on the position of the outer surface of the sliding rod 22 close to the bottom, when the speed of the collision needle 21 collides with the window glass is reduced, the sliding block 24 can slide on the surface of the sliding rod 22, and the two ends of the connecting shaft I231 are fixedly arranged in the cross groove at the bottom of the collision needle 21, the two ends of the connecting shaft III 233 are fixedly arranged on the sliding block 24, the included angle beta between the impact rod 23 and the vertical surface is ten degrees under the unactivated state, the sliding block 24 is enabled to slide while driving the impact rod 23 to bend, and along with the fact that the impact needle head 21 invades the glass, the connecting rod I234 in the bent impact rod 23 can continuously impact the glass, the penetrating hole formed on the window glass by the impact needle head 21 is further invaded, the structure around the penetrating hole is collapsed, the integral stability of the window glass is reduced, a foundation is provided for subsequent rapid window-breaking through knocking, on the other hand, when the connecting rod I234 contacts the glass, the glass can prevent the window-breaking device 2 from further invading the glass into a cab by the reverse acting force of the connecting shaft II 232, and the window-breaking device 2 is prevented from directly penetrating the glass to be shot into the cab to cause casualties in the vehicle.

Wherein, there are reset spring I28 and reset spring I28's bottom and firing pin base 25 through the bottom fixed mounting of slider 24, after the inertia of slider 24 disappears, reset spring I28 can reset slider 24, make striking rod 23 can resume initial position, provide the basis for broken window device 2 can reset fast, on the other hand, be provided with reset handle 27 and can rotate around the axle through firing pin base 25 surface near the position at top, drag firing pin base 25 can pull broken window device 2 back in emitter 1's inner chamber fast, make broken window device 2 can fix in emitter 1's inner chamber through gusset plate 236 and spring joint piece 15 joint, simultaneously, broken window device 2 is when the instant quick travel that is aroused, reset handle 27 has the inertia that keeps motionless to take place to rotate, make self keep inside the bar hole 17 that resets after broken window device 2 is aroused, it can not hit the hand to guarantee law enforcement personnel's use, make the launch process of broken window device 2 receive the hindrance.

The safety device is characterized in that one side of the anti-false-touch T-shaped block 44 is in contact with the restraint strip 14, the button 42 cannot move when not pressed down, the situation that the device is triggered due to false touch is avoided, the stability of the device is improved, on the other hand, the safety clamping sheet 32 is arranged at the top of the safety main body 31, the triggering groove 33 is formed in the top of the safety clamping sheet 32, the triggering groove 33 is matched with the clamping block 26, the window breaking device 2 can be normally triggered when the triggering groove 33 is matched with the clamping block 26, the window breaking device 2 is in a locked state when the triggering groove 33 is not matched with the clamping block 26, the situation that the device is triggered due to false touch is further avoided, the safety performance of the device is improved, meanwhile, the limiting groove 34 is matched with the limiting block 19, meanwhile, the included angle alpha between two sides of the limiting block 19 is twenty degrees, the included angle gamma between the contact surface I34 a and the contact surface II 34b is one hundred and ten degrees, the safety device 3 can be just in right in contact with the clamping block 26 when the limiting block 19, the contact surface I and the window breaking device 3 can be quickly matched, and the safety device can be ensured to be in a situation that the safety device can be quickly triggered when the contact surface II, and the safety device 3, and the safety device can be conveniently used, and the safety device can be triggered, and the safety device can be conveniently triggered when the safety device 3.

The ejection spring 16 can be stretched or compressed to eject the window breaking device 2, the ejection spring 16 is compressed to decelerate the window breaking device 2 after the window breaking device 2 is ejected, the window breaking device 1 is prevented from being damaged due to the fact that the window breaking device 2 impacts the inside of the launching device 1, the service life of the launching device 1 is prolonged, and meanwhile, the window breaking device 2 is further prevented from being shot into a cab to cause injury to people in the vehicle.

Wherein, the inboard fixed mounting through connecting rod II 235 has reinforcing plate 236, makes reinforcing plate 236 consolidate two connecting rods II 235, has improved connecting rod II 235's intensity, improves its life.

The using method of the invention is as follows:

when carrying or depositing, pulling handle 27 that resets makes spring joint piece 15 and reinforcing plate 236 joint, makes broken window device 2 can fix in emitter 1's inner chamber, rotates safeties 3 and makes contact surface II 34b in the spacing groove 34 contact with stopper 19, thereby make fixture block 26 and trigger groove 33 dislocation and safety joint piece 32 and fixture block 26 joint, make broken window device 2 locked unable arouse, prevent that the mischief touches T type piece 44 and restraint strip 14 mutually contact simultaneously, make excitation device 4 can' T be promoted further to ensure broken window device 2 can not arouse.

When the window breaking device is used, the safety device 3 is rotated to enable the contact surface I34 a in the limiting groove 34 to be in contact with the limiting block 19, so that the clamping block 26 corresponds to the position of the triggering groove 33, the window breaking device 2 is enabled to be in an excitable state, meanwhile, the button 42 is pressed down to enable the anti-false-touch T-shaped block 44 to be dislocated with the restraining strip 14 so that the anti-false-touch T-shaped block is not in contact with the restraining strip, the trigger 4 is pushed to move forwards to drive the trigger 45 to synchronously move forwards, the trigger 45 drives the clamping part of the spring clamping sheet 15 to move, the spring clamping sheet 15 and the reinforcing sheet 236 lose the clamping effect, and meanwhile, the window breaking device 2 is driven by the ejection spring 16 to be emitted.

In the window breaking process, after the window breaking device 2 is launched, the striker head 21 firstly strikes the window glass and breaks down, due to the characteristics of tempered glass, the periphery of the striking part is cracked integrally or cracked in a spider-web shape, the speed of the whole window breaking device 2 is reduced when the striker head 21 strikes, at the moment, the slide block 24 slides along the axial direction of the slide rod 22 by means of inertia, the striker rod 23 is driven to bend, along with the invasion of the striker head 21 to the glass, the connecting shaft II 232 invades the periphery of the striking position, meanwhile, the reaction force of the glass to the connecting shaft II 232 can prevent the window breaking device 2 from being integrally shot into a cab, so that the whole striking process is completed, the exciting device 4 is pushed back to the original position after the striking is completed, the window breaking device 2 is reset by pulling the reset handle 27, the spring clamping sheet 15 is clamped with the reinforcing sheet 236 again, and the next launch or the window breaking is carried out by knocking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an efficient is alert with broken window pole, includes emitter (1), its characterized in that: the window breaking device (2) is movably sleeved in the launching device (1), the window breaking device (2) comprises a striker head (21), a sliding rod (22) is fixedly installed at the bottom of the striker head (21), a cross groove is formed in the bottom of the striker head (21), a striking rod (23) is fixedly installed in the groove, the striking rod (23) comprises a connecting shaft I (231), a connecting shaft II (232) and a connecting shaft III (233), the outer surface of the connecting shaft I (231) is movably sleeved with a connecting rod I (234), one end of the connecting rod I (234) is movably sleeved with the connecting shaft II (232), the connecting shaft III (233) is movably sleeved with one end of the connecting rod II (235), two ends of the connecting shaft I (231) are fixedly installed in the cross groove at the bottom of the striker head (21), two ends of the connecting shaft III (233) are fixedly installed at the top of the sliding block (24), striking plates (236) are fixedly installed on the inner side of the connecting rod II (235), the striking rods (23) are distributed in four numbers, an annular array is distributed on the outer side of the striker head (22), the sliding rod (23), one end of the sliding block (24) is fixedly installed at a position close to the base (25) and the base (24) is fixedly installed at the position of the base (25), the clamping block (26) is movably sleeved with the safety device (3), a reset handle (27) is arranged on the position, close to the top, of the outer surface of the firing pin base (25), the reset handle (27) can rotate around a shaft, a reset spring I (28) is fixedly arranged at the bottom of the sliding block (24), the bottom of the reset spring I (28) is connected with the firing pin base (25), the safety device (3) is movably sleeved at the bottom of the window breaking device (2) and positioned at the bottom of the inner cavity of the launching device (1), an excitation device (4) is movably sleeved at one side of the outer surface of the launching device (1), the launching device (1) comprises a launching tube (11), a sliding groove (12) is formed in one side of the outer surface of the launching tube (11), an excitation device (4) is movably sleeved inside the sliding groove (12), a restraining groove (13) is formed in one side of the sliding groove (12), restraining strips (14) are fixedly arranged at two sides of the inner part of the restraining groove (13), a spring clamping piece (15) is fixedly arranged at one end of the inner part of the restraining groove (13), strip-shaped holes (16) are fixedly arranged at two sides of the inner cavity of the launching tube (11), and a strip-shaped hole (16) is connected with the reset spring ejecting tube (17) at the top of the launching tube (11), the bottom of the inner cavity of the launching tube (11) is provided with a rotating groove (18), the inner wall of the rotating groove (18) is fixedly welded with a limiting block (19) and the included angle alpha between the two sides of the limiting block (19) is twenty degrees.

2. A high efficiency police window breaking bar as claimed in claim 1, wherein: and the included angle beta between the impact rod (23) and the vertical surface is ten degrees in an unexcited state.

3. A high efficiency police window breaking bar as claimed in claim 1, wherein: the safety device (3) comprises a safety main body (31), a safety clamping sheet (32) is arranged at the top of the safety main body (31), a trigger groove (33) is formed in the top of the safety clamping sheet (32), the trigger groove (33) is matched with the clamping block (26), a limiting groove (34) is formed in the top of the safety main body (31), and the limiting groove (34) is matched with the limiting block (19).

4. A high efficiency police window breaking bar as claimed in claim 1, wherein: excitation device (4) include slider (41), slider (41) activity is cup jointed in the inside of sliding tray (12), the inside activity that the top of slider (41) was provided with through-hole and this through-hole has cup jointed button (42), the outside fixed mounting of button (42) bottom has reset spring II (43), button (42) bottom is located central point and puts fixed mounting and has the mistake of preventing to touch T type piece (44), the one side of the mistake of preventing touching T type piece (44) contacts with restraint strip (14), the bottom fixed mounting of slider (41) has trigger (45), the surface and the spring joint piece (15) of trigger (45) are laminated mutually.

5. A high efficiency police window breaking bar as claimed in claim 3, wherein: the limiting groove (34) is characterized in that two sides of the limiting groove (34) are respectively provided with a contact surface I (34 a) and a contact surface II (34 b), and an included angle gamma between the contact surface I (34 a) and the contact surface II (34 b) is one hundred and ten degrees.