CN112618978B

CN112618978B - Multiple striking type window breaking bomb

Info

Publication number: CN112618978B
Application number: CN202011607599.7A
Authority: CN
Inventors: 陈景泰; 周国民; 许周毅; 钟慧澜
Original assignee: Zhejiang Police College
Current assignee: Zhejiang Police College
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-18
Anticipated expiration: 2040-12-30
Also published as: CN112618978A

Abstract

The invention relates to the technical field of window breaking bullets, and discloses a multiple-impact window breaking bullet which comprises a shell, an impact part arranged on the shell, a gas generating device arranged in the shell and an adsorption fixing part arranged at one end of the shell, wherein the impact part is provided with the impact part, the gas generating part is provided with the gas generating device, the impact part comprises a first groove, a first impact cone, a second groove and a second impact cone, the first groove is sunken at one end of the impact part, which is far away from the gas generating part, the first impact cone is arranged in the first groove in a sealing way, the part of the first impact cone extends out of the first groove, the second groove is arranged in the second groove in a sealing way, the second impact cone is arranged in the second groove in a sealing way, a linkage mechanism for driving the second impact cone to extend out and then driving the gas generating device to generate gas when the first impact cone contracts is arranged between the first groove and the impact part, a first one-way gas guide mechanism for guiding the gas in the gas generating part into the first groove is arranged on the impact part, the window breaking bomb can obviously increase the window breaking performance and reduce the window breaking cost.

Description

Multiple striking type window breaking bomb

Technical Field

The invention relates to the technical field of window breaking bullets, in particular to a multiple-impact window breaking bullet.

Background

The current window breaker is mainly fixed and handheld, and the acting distance is limited. The fixed type is generally fixed in the automobile for use, once the automobile is hijacked by terrorists, external rescue personnel cannot break windows to enter the automobile and can only depend on the operation of the internal personnel, so that the automobile is quite passive; the hand-held type all relies on the direct action of explosion shock wave to break toughened glass, and the glass piece that easily causes in the twinkling of an eye of shock wave action splashes everywhere and easily harms inside personnel or quality of a person, and explosion shock wave also has the potential safety hazard to the human body in addition, so its security is treated further improvement. In addition, many markets and office buildings often adopt toughened glass as glass curtain walls at present, and in case of a fire in the interior, fire fighters cannot spray water from the outside of the building to extinguish the fire, so that the escape of the interior personnel and the fire extinguishing progress of the fire fighters are greatly influenced.

Chinese patent No. CN204279327U discloses a gun-firing type window breaking bomb, which comprises a window breaking bomb acting part, a firing device of the firing acting part, a gas generating device inside the acting part, a delay device for igniting a gas generating agent inside the gas generating device, an impact cone for breaking toughened glass, a spring for impact cone reset protection, and an adsorption device for supporting the window breaking bomb acting part.

In the above mode, the impact cone only carries out once impact in the transmission, the situation that the window breaking operation cannot be completed once possibly exists, the window breaking can be carried out only by transmitting at least 2 window breaking bullets, and the window breaking efficiency is low.

Disclosure of Invention

The invention aims to provide a multiple-impact window breaking bomb which can obviously improve the window breaking efficiency and save the using number of the window breaking bombs.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a multiple striking type window-breaking bullet, which comprises a housin, set up striking portion on the casing, set up the absorption fixed part of the gas production device in the casing and the one end that is equipped with striking portion in the casing, the casing is including holding the excitation portion of striking portion and holding the gas production portion of gas production device, striking portion includes the sunken first recess of one end that keeps away from gas production portion in the excitation portion, the part that sets up in first recess seals stretches out the first impact cone outside the first recess, second recess and sealed shrink set up the second impact cone in the second recess, be provided with between first recess and excitation portion and order about the second impact cone earlier when first impact cone shrink and stretch out the link gear who orders about gas production device and produce gas, be provided with on striking portion with the one-way leading-in first one-way mechanism to the first recess of the gas in producing the gas portion.

Furthermore, the first impact cone is located in the center of the impact portion, the second impact cones are arranged in a plurality of circumferential intervals around the first impact cone, vent holes communicated with the bottom of the second groove are formed in the side wall of the first groove, and the one-way air guide mechanism is located below the vent holes or at the bottom of the first groove.

Furthermore, an annular groove communicated with all the second grooves is formed in the impact part, and two ends of the vent hole are respectively communicated with the first grooves and the annular groove.

Furthermore, the first one-way air guide mechanism comprises an air guide groove which is arranged on the side wall or the bottom of the first groove and has a frustum shape with the inner diameter gradually reduced from the first groove to the air generating part, an elastic plug which is inserted into the small aperture end of the air guide groove in an interference manner, a limiting ring which is arranged on the inner wall of the large aperture end of the air guide groove, and a first abutting spring which is arranged between the limiting ring and the elastic plug.

Further, the link gear includes in the sunken groove of stepping down of first impact cone one end that is close to first recess, the aperture that the groove opening part of stepping down set up is less than the spacing groove of the groove of stepping down, with spacing groove grafting complex inserted bar and be located the inserted bar and be greater than the spacing groove and be less than the stopper in the groove of stepping down the external diameter that the one end of stepping down set up near the groove, first recess bottom is provided with the jack that supplies the sealed passing of inserted bar lower extreme, when first impact cone local seal stretches out in striking portion tip, there is the dodge space that the inserted bar is in quiescent condition when first impact cone shrink between stopper and the groove bottom of stepping down.

Furthermore, the gas production mechanism comprises a vertically arranged high-pressure gas tank and a second one-way gas guide mechanism which is arranged at the upper end of the high-pressure gas tank and exhausts gas when the inserted link is pressed down.

Furthermore, the second one-way air guide mechanism comprises an opening arranged at the upper end of the high-pressure air tank, a second abutting spring vertically and upwards arranged at the bottom of the high-pressure air tank, and a sealing plug positioned at the upper end of the second abutting spring and used for elastically plugging the opening.

Furthermore, an overpressure vent hole is formed in the first groove, and when the air pressure in the first groove is smaller than or equal to the normal pressure, the first impact cone blocks the overpressure vent hole; when the first impact cone projects outwards to a maximum, the first recess communicates with the outside via the overpressure vent hole.

Furthermore, the adsorption fixing part comprises an embedded groove, a telescopic ring, a third abutting spring and an annular sucker, wherein the embedded groove is sunken at one end of the excitation part, which is far away from the gas generating part, the telescopic ring is arranged in the embedded groove in a lifting manner, the third abutting spring is arranged between the bottom of the embedded groove and the bottom of the telescopic ring, and the annular sucker is V-shaped in the cross section of the upper end of the telescopic ring.

Furthermore, a glue ring is arranged on the inner wall of the annular sucking disc.

Compared with the prior art, the invention has the following beneficial effects:

1. the window breaking bomb comprises a first impact cone and a second impact cone, the window breaking bomb is firstly adsorbed and fixed on a glass window after being launched through a linkage mechanism, then the first impact cone is impacted in sequence, the second impact cone is firstly driven to extend out for double impact along with the compression of the first impact cone, and then a gas generating device is driven to generate gas so that the first impact cone extends out again for triple impact.

2. The overpressure vent hole that adds can supply first recess to step down when first recess atmospheric pressure is too big or broken window bullet resets to ensure that broken window bullet does not receive the harm, can utilize repeatedly, further reduce use cost.

3. The absorption fixed part that sets up can stretch out and draw back and adsorb, guarantees that broken window bullet is in fixed state with the glass window all the time when the first impact cone of this scheme and second impact cone striking.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a plan view of a multiple impact type window breaker of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view of a in fig. 2.

In the figure: 1. a housing; 101. an excitation section; 102. a gas generating part; 2. a first groove; 3. a second groove; 4. a ring groove; 5. a vent hole; 6. a first impingement cone; 601. a yielding groove; 7. a telescopic ring; 8. an annular suction cup; 9. a glue ring; 10. inserting a rod; 11. an overpressure vent hole; 12. a third abutting spring; 13. a high pressure gas tank; 14. sealing the plug; 15. a second abutting spring; 16. a guide bar; 17. a guide groove; 18. elastic plugging; 19. a first abutting spring; 20. a limiting ring; 21. a second impact cone; 22. and a limiting block.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

A multiple impact type window breaking bomb is disclosed, referring to fig. 1-3, and comprises a shell 1, an impact part arranged on the shell 1, a gas generating device arranged in the shell 1, and an adsorption fixing part arranged at one end of the shell 1 where the impact part is arranged, wherein the shell 1 comprises an excitation part 101 containing the impact part and a gas generating part 102 containing the gas generating device, the gas generating part 102 and the excitation part 101 are detachably fixed through threads, the gas generating part 102 is arranged with an upward opening, a mounting ring with external threads extends downwards from the lower end surface of the excitation part 101, and the inner wall of the opening of the gas generating part 102 is provided with internal threads matched with the threads.

The impacting part comprises a first groove 172 depressed at the center of one end of the exciting part 101 far away from the gas generating part 102, a first impact cone 6 which is arranged in the first groove 172 in a sealing and elastic and telescopic manner and partially extends out of the first groove 172 in an initial state, second grooves 173 which are arranged at intervals in the circumferential direction by taking the first groove 172 as the center, and second impact cones 21 which are arranged in the second grooves 173 in a sealing and telescopic manner, wherein the opening of the second grooves 173 is smaller than that of the second grooves 173, the second impact cones 21 are in inserting fit with the openings of the second grooves 173, pistons which are in sealing and telescopic fit with the second grooves 173 are arranged at the bottoms of the second impact cones 21, a ring groove 4 which is communicated with all the second grooves 173 is arranged in the impacting part, vent holes 5 which are communicated with each other are arranged between the ring groove 4 and the first groove 172, and gas in the first groove 172 is compressed and driven to be transmitted to the ring groove 4 and the second grooves 173 after the first impact cones 6 impact, the second impact cone 21 is driven out for a double impact.

A linkage mechanism which enables the second impact cone 21 to extend out and then drives the gas production device to produce gas when the first impact cone 6 contracts is arranged between the first groove 172 and the excitation part 101, the linkage mechanism comprises a yielding groove 601 which is sunken at one end of the first impact cone 6 close to the first groove 172, a limiting groove which is arranged at the opening of the yielding groove 601 and has a hole diameter smaller than that of the yielding groove 601, an inserting rod 10 which is in inserted fit with the limiting groove, and a limiting block 22 which is arranged at one end of the inserting rod 10 close to the yielding groove 601 and has an outer diameter larger than that of the limiting groove and smaller than that of the yielding groove 601, an elastic sealing layer is sleeved outside the inserting rod, the bottom of the first groove 172 is provided with a jack through which the lower end of the inserting rod 10 passes in a sealing way, when the first impact cone 6 locally extends out in a sealing way at the end part, an avoiding space in which the inserting rod 10 is in a static state exists between the limiting block 22 and the bottom of the yielding groove 601 when the first impact cone 6 contracts, inserted bar 10 all the time with the sealed interlude cooperation of jack, stopper 22 set up spacing first impact cone 6 and avoid it to break away from with first recess 172, and when first impact cone 6 shrink, the compression direct action of first recess 172 orders about second impact cone 21 at air vent 5 and stretches out and strike, compresses inserted bar 10 after first recess 172 upper end and gag lever post contact.

The impact portion is provided with a first one-way gas guide mechanism for guiding the gas in the gas generating portion 102 into the first groove 172 in one way, and the first one-way gas guide mechanism comprises a frustum-shaped gas guide groove which is arranged on the side wall or the bottom of the first groove 172 and has an inner diameter gradually reduced from the first groove 172 to the gas generating portion, an elastic plug 18 which is inserted in the small aperture end of the gas guide groove in an interference manner, a limit ring 20 which is arranged on the inner wall of the large aperture end of the gas guide groove, and a first abutting spring 19 which is arranged between the limit ring 20 and the elastic plug 18.

The gas generating mechanism comprises a vertically arranged high-pressure gas tank 13 and a second one-way gas guide mechanism which is arranged at the upper end of the high-pressure gas tank 13 and exhausts gas when the inserted link 10 is pressed down, the second one-way gas guide mechanism comprises an opening arranged at the upper end of the high-pressure gas tank 13, a second abutting spring 15 which is vertically and upwards arranged at the bottom of the high-pressure gas tank 13 and a sealing plug 14 which is positioned at the upper end of the second abutting spring 15 and elastically plugs the opening, the sealing plug 14 comprises a built-in hard core body and an elastic sealing layer which is wrapped outside the hard core body, the whole sealing plug 14 is arranged in an inverted T shape or a spherical shape, a guide rod 16 is vertically arranged in the second abutting spring 15 at the bottom of the high-pressure gas tank 13 so as to ensure that the sealing plug 14 vertically ascends and descends, a guide groove 17 for a guide rod to insert is arranged at the lower end of the sealing plug 14, when the first impact cone 6 is continuously compressed until the inserted link 10 is pressed down to enable the inserted link 10 to press the sealing plug 14, the sealing plug 14 descends to expose the air supply gap, so that the high-pressure air in the high-pressure air tank 13 is rapidly sprayed outwards to sharply increase the pressure in the whole air generating part 102, thereby driving the first one-way air guide mechanism to open the reverse air injection body in the first groove 172, enabling the first impact cone 6 in a compressed state to rapidly extend out for triple impact, and simultaneously enabling the second impact cone 21 to play a role in assisting impact under the action of air pressure.

An overpressure vent hole 11 is further formed in the first groove 172, when the air pressure in the first groove 172 is smaller than or equal to the normal pressure, the first impact cone 6 blocks the overpressure vent hole 11, one end of the overpressure vent hole 11 is located on the inner wall of the first groove 172, the other end of the overpressure vent hole 11 is located on the outer wall of the excitation portion 101 outside the adsorption fixing portion, at the moment, the first groove 172 is isolated from the external space, and the air in the first groove 172 is in a sealed state; when the first impact cone 6 extends outwards to the maximum value, the overpressure vent hole 11 is exposed, the first groove 172 is communicated with the outside through the overpressure vent hole 11, the over-pressure air can be discharged through the overpressure vent hole 11, and after the air pressure is restored to the normal pressure, the first impact cone 6 is reset, so that the window breaking bomb and the like can be ensured to be repeatedly used.

Because the first impact cone 6 of this scheme can take place concertina movement, so, need to set up neotype adsorption structure and can ensure that broken window bullet can firmly fix on the glass window, the absorption fixed part includes the embedded groove of keeping away from the sunken of one end of gas production portion 102 in excitation portion 101, go up and down the expansion ring 7 that sets up in the embedded groove, the third butt spring 12 that sets up between embedded groove bottom and expansion ring 7 bottom and the annular sucking disc 8 that the cross-sectional shape that sets up in expansion ring 7 upper end is "V type", be provided with glue ring 9 on the annular sucking disc 8 inner wall, glue ring 9 can adopt the magic double faced adhesive tape of brand for extraordinary power, when annular sucking disc 8 contact glass's an instant, can adsorb glass limit and contract under the impact force effect, thereby expose first impact cone 6 makes it carry out first heavy striking.

The broken window bullet that this scheme provided, only need provide an initial ejection power can, usable crossbow, the rifle, instrument such as unmanned aerial vehicle or catapult launches, it sets up the transmission instrument that the volume also can be adjusted according to the use, after broken window bullet launches, can carry out triple striking, thereby make the glass window carry out abundant breakage, its power is greater than a striking, nevertheless be less than the blasting power, and can utilize repeatedly, before using repeatedly, because the damage probably takes place when desorption is firmly adsorbed to cyclic annular sucking disc 8, so, only need to change cyclic annular sucking disc 8 can, thereby showing and reducing the cost of use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a broken window bullet of multiple striking type, includes casing (1), sets up striking portion on casing (1), sets up the gas production device in casing (1) and is equipped with the absorption fixed part of the one end of striking portion in casing (1), its characterized in that: the shell (1) comprises an excitation part (101) containing an impact part and a gas production part (102) containing a gas production device, the impact part comprises a first groove (2) sunken at one end of the excitation part (101) far away from the gas production part (102), a first impact cone (6) which is arranged in the first groove (2) in a sealing way and partially extends out of the first groove (2), a second groove (3) and a second impact cone (21) which is arranged in the second groove (3) in a sealing and shrinking way, the first impact cone (6) is positioned in the center of the impact part, the second impact cone (21) is arranged around the first impact cone (6) at intervals in the circumferential direction, the side wall of the first groove (2) is provided with vent holes (5) communicated with the bottom of the second groove (3), a ring groove (4) communicated with all the second grooves (3) is arranged in the impact part, and two ends of each vent hole (5) are respectively communicated with the first groove (2) and the ring groove (4), the unidirectional air guide mechanism is positioned below the air vent (5) or at the bottom of the first groove (2), a linkage mechanism which firstly drives the second impact cone (21) to extend out and then drives the gas production device to produce gas is arranged between the first groove (2) and the excitation part (101) when the first impact cone (6) contracts, the linkage mechanism comprises a yielding groove (601) which is sunken at one end of the first impact cone (6) close to the first groove (2), a limiting groove which is arranged at the opening of the yielding groove (601) and has a hole diameter smaller than that of the yielding groove (601), an inserted rod (10) which is in splicing fit with the limiting groove, and a limiting block (22) which is arranged at one end of the inserted rod (10) close to the yielding groove (601) and has an outer diameter larger than that of the limiting groove and smaller than that of the yielding groove (601), the bottom of the first groove (2) is provided with a jack through which the lower end of the inserted rod (10) can pass in a sealing way, when the first impact cone (6) partially seals and extends out of the end part, an avoidance space in which the inserted link (10) is in a static state when the first impact cone (6) contracts exists between the limiting block (22) and the bottom of the avoidance groove (601), and a first one-way gas guide mechanism which guides gas in the gas generation part (102) into the first groove (2) in a one-way mode is arranged on the impact part.

2. The multiple impact type window breaker according to claim 1, wherein: the first one-way air guide mechanism comprises an air guide groove which is arranged on the side wall or the bottom of the first groove (2) and is in a frustum shape with the inner diameter gradually reduced from the first groove (2) to the air generating part, an elastic plug (18) which is inserted into the small aperture end of the air guide groove in an interference manner, a limiting ring (20) which is arranged on the inner wall of the large aperture end of the air guide groove, and a first abutting spring (19) which is arranged between the limiting ring (20) and the elastic plug (18).

3. The multiple impact type window breaker according to claim 1, wherein: the gas production mechanism comprises a vertically arranged high-pressure gas tank (13) and a second one-way gas guide mechanism which is arranged at the upper end of the high-pressure gas tank (13) and exhausts gas when the inserted link (10) is pressed down.

4. The multiple impact type window breaker according to claim 3, wherein: the second one-way air guide mechanism comprises an opening arranged at the upper end of the high-pressure air tank (13), a second abutting spring (15) vertically arranged upwards at the bottom of the high-pressure air tank (13) and a sealing plug (14) which is positioned at the upper end of the second abutting spring (15) and elastically plugs the opening.

5. The multiple impact type window breaker according to claim 1, wherein: an overpressure vent hole (11) is formed in the first groove (2), and when the air pressure in the first groove (2) is smaller than or equal to the normal pressure, the first impact cone (6) blocks the overpressure vent hole (11); when the first impact cone (6) protrudes outwards to a maximum, the first recess (2) communicates with the outside via an overpressure vent (11).

6. The multiple impact type window breaker according to claim 1, wherein: the adsorption fixing part comprises an embedded groove, a telescopic ring (7), a third abutting spring (12) and an annular sucker (8), wherein the embedded groove is sunken at one end, far away from the gas generating part (102), of the excitation part (101), the telescopic ring (7) is arranged in the embedded groove in a lifting mode, the third abutting spring (12) is arranged between the bottom of the embedded groove and the bottom of the telescopic ring (7), and the section of the annular sucker (8) is V-shaped and is arranged at the upper end of the telescopic ring (7).

7. The multiple impact type window breaker according to claim 6, wherein: the inner wall of the annular sucker (8) is provided with a glue ring (9).