CN111672036B - High-strength window breaking bullet head structure - Google Patents
High-strength window breaking bullet head structure Download PDFInfo
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- CN111672036B CN111672036B CN202010572090.7A CN202010572090A CN111672036B CN 111672036 B CN111672036 B CN 111672036B CN 202010572090 A CN202010572090 A CN 202010572090A CN 111672036 B CN111672036 B CN 111672036B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
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Abstract
The invention discloses a high-strength window-breaking bullet head structure which comprises a bullet shell, wherein a gas generating device is arranged inside the bullet shell, a sucking disc is fixedly connected to the front end of the bullet shell, a collision port is formed in the front end of the bullet shell, a crushing device is arranged on the front side of the gas generating device and comprises a piston, the piston is fixedly connected with the front side of the output end of the gas generating device, a toothed plate is fixedly connected to the front side of the piston, a collision block is fixedly connected to the front end of the toothed plate, a first gear is meshed with the upper surface of the toothed plate, and a first shaft is fixedly connected to the inner wall of the first gear. The invention solves the problems that in the actual use process, because the traditional warhead has a single contact point with the glass curtain wall, the large-area crushing of the glass curtain wall is difficult to realize, a plurality of warheads need to be launched to achieve the expected crushing effect, the working efficiency is reduced, and the inconvenience is brought to the use.
Description
Technical Field
The invention relates to the technical field of window breaking bullets, in particular to a bullet head structure of a high-strength 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. Therefore, how to solve the safety problem and make up the defects that the existing window breaker has limited action distance and cannot meet the requirement of high-rise fire rescue, a window breaking bomb is provided for people, for example, a gun-firing window breaking bomb disclosed in Chinese patent CN204279327U, which comprises a window breaking bomb action part, a launching device of the launching action part, a gas generating device inside the action part, a delay device for igniting a gas generating agent in the gas generating device, an impact cone for breaking toughened glass, a spring device for impacting the cone to reset and an adsorption device for supporting the window breaking bomb action part. The utility model relates to a rationally, simple structure adopts the anti-riot rifle to launch, and easy operation, working distance are far away, safe and reliable, broken window are effectual. The utility model discloses not only can be used to anti-terrorism, anti-hijack task under the specific environment, still can be used to high building broken window (glass curtain wall) to the conflagration is fleed, supplementary fire rescue.
But in the in-service use process, traditional warhead is comparatively single with glass curtain wall's contact point, is difficult to realize glass curtain wall's large tracts of land breakage, needs to launch many pieces of warheads in order to reach anticipated crushing effect, has reduced work efficiency, brings inconvenience for the use.
Disclosure of Invention
The invention aims to provide a high-strength window breaking bullet structure, which improves a traditional device and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a broken window bullet warhead structure of high strength, includes the shell case, the inside of shell case is equipped with produces the gas device, the front end fixedly connected with sucking disc of shell case, the striking mouth has been seted up to the front end of shell case, the front side of producing the gas device is equipped with reducing mechanism.
The crushing device comprises a piston, the piston is fixedly connected with the front side of an output end of the gas production device, a toothed plate is fixedly connected with the front side of the piston, an impact block is fixedly connected with the front end of the toothed plate, a first gear is meshed with the upper surface of the toothed plate, a first shaft is fixedly connected with the inner wall of the first gear, the first shaft rotates in a cartridge case in a fixed shaft mode, a cylinder is fixedly connected with the end part of the first shaft, a through hole for limiting and rotating the cylinder is formed in the side surface of the cartridge case, a cam ring is sleeved on the cylindrical surface, a pressing plate is movably connected with the front side of the cam ring, a through groove for limiting and sliding the pressing plate is formed in the side surface of the cartridge case, an impact column is fixedly connected with the front side of the pressing plate, a circular ring is fixedly connected with the side surface of the cartridge case, the surface of the impact column is, the two ends of the pressure spring are fixedly connected with the opposite surfaces of the circular ring and the pressing plate, and an auxiliary device is arranged on the surface of the cylinder.
Preferably, the auxiliary device includes the arc pinion rack, keep away from one side fixed connection of axle one on the side of arc pinion rack and the cylinder, the through-hole has been seted up and has been rotated through the through-hole to the front end of striking post and be connected with axle two, axle two runs through the clamp plate and rotates with the clamp plate and be connected, axle two is at the spacing rotation in side of shell case, the fixed surface of axle two is connected with two gear two, the tooth meshing on the surface of gear two and the arc pinion rack.
Preferably, the lateral surface of the cartridge case is fixedly connected with a side plate, the surface of the second shaft penetrates through the side plate and is rotatably connected with the side plate, the surface of the second shaft is fixedly connected with two limiting rings, and opposite surfaces of the two limiting rings are respectively rotatably connected with the front side and the rear side of the side plate.
Preferably, the front end of the second shaft is fixedly connected with a quadrangular pyramid block.
Preferably, the front end of the impact column is provided with impact teeth.
Preferably, the inner wall of the cartridge case is fixedly connected with two symmetrical positioning plates, and the positioning plates are penetrated by the shaft and rotate in a limiting manner with the shaft.
Preferably, the number of the cylinders is two, and the two cylinders are symmetrically arranged with respect to a vertical central line of the first gear.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the crushing device, the glass curtain wall can be crushed more conveniently, and the crushing efficiency is improved;
the gun bullet shell is sent out from a gun, the sucker on the bullet shell can contact with the glass curtain wall and then be adsorbed on the glass curtain wall, then a large amount of gas is generated in the gas generation device, the gas acts to push the piston forwards, so that the piston drives the toothed plate and the impact block to move forwards continuously and quickly, the impact block passes through the impact opening and then impacts on the glass curtain wall violently, and the glass curtain wall is broken through violent impact;
before the impact block does not contact and impact the glass curtain wall, the gear can carry the shaft to perform fixed-shaft rotation in the cartridge case along with the forward movement of the toothed plate, the cam ring on the cylinder rotates along with the rotation of the cylinder driven by the shaft, when the rear side of the pressure plate is contacted with the concave edge surface on the cam ring, under the action of the spring force of the pressure spring, the impact column and the pressure plate are integrally moved to the backward position, and when the flange surface on the cam ring is contacted with the back side of the pressure plate, after the spring force of the pressure spring is overcome, the impact column is pushed forwards quickly by the pressing plate, so that the front end of the impact column impacts on the glass curtain wall, when the cylinder carries the cam ring to continuously rotate and under the coordination of the pressure spring, the impact column can carry out reciprocating high-frequency impact on the glass curtain wall, the high-frequency impact point is close to the impact point corresponding to the impact block, so that the glass curtain wall can be crushed in a large range;
through auxiliary device's cooperation, can make the impact post correspond the crashing more quick of striking point, improved work efficiency.
Through the matching use of the structures, the invention solves the problems that in the actual use process, the large-area crushing of the glass curtain wall is difficult to realize due to the fact that the traditional warhead has a single contact point with the glass curtain wall, a plurality of warheads need to be launched to achieve the expected crushing effect, the working efficiency is reduced, and the inconvenience is brought to the use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top cross-sectional view of an impact post of the present invention;
FIG. 3 is a left side view of the cylinder of the present invention;
FIG. 4 is a rear view of the impact post of the present invention.
In the figure: 1-cartridge case, 2-gas generating device, 3-sucker, 4-impact port, 5-crushing device, 6-piston, 7-toothed plate, 8-impact block, 9-gear I, 10-shaft I, 11-cylinder, 12-cam ring, 13-pressing plate, 14-through groove, 15-impact column, 16-circular ring, 17-pressure spring, 18-auxiliary device, 19-arc toothed plate, 20-shaft II, 21-gear II, 22-side plate, 23-limit ring, 24-quadrangular cone block, 25-impact tooth and 26-locating plate.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: a high-strength window breaking bullet head structure comprises a bullet shell 1, wherein a primer, a launching device and a delay device are arranged in the bullet shell 1, the window breaking bullet is firstly installed in a gun with a corresponding caliber, a gun firing pin excites the primer, the primer rapidly burns and ignites propellant powder in the launching device, high-temperature and high-pressure gas is generated after the propellant powder burns, and meanwhile, the delay device arranged at the top end of a combustion chamber is ignited by the combustion of the propellant powder and is pushed out under the action of the high-temperature and high-pressure gas; the inside of shell case 1 is equipped with produces the gas device 2, has the gas agent in producing the gas device 2, and the gas agent burns fast, produces high-pressure gas in the twinkling of an eye and promotes impact piston 6, and the front end fixedly connected with sucking disc 3 of shell case 1 makes shell case 1 wholly adsorb on the glass curtain wall through sucking disc 3, and striking mouth 4 has been seted up to the front end of shell case 1, and the front side of producing the gas device 2 is equipped with reducing mechanism 5, through the setting of reducing mechanism 5, can be more convenient of glass curtain wall's breakage, has improved crushing efficiency.
The crushing device 5 comprises a piston 6, the piston 6 is fixedly connected with the front side of the output end of the gas production device 2, the front side of the piston 6 is fixedly connected with a toothed plate 7, the front end of the toothed plate 7 is fixedly connected with an impact block 8, the bullet shell 1 is emitted from a gun, a sucker 3 on the bullet shell 1 can contact with a glass curtain wall and then is adsorbed on the glass curtain wall, then a large amount of gas is generated in the gas production device 2, the piston 6 is pushed forwards by the gas, the piston 6 drives the toothed plate 7 and the impact block 8 to move forwards continuously and quickly, the impact block 8 violently impacts the glass curtain wall after passing through the impact port 4, and the glass curtain wall is crushed through violent impact; the impact block 8 and the quadrangular pyramid block 24 are both made of a chromium metal material;
the upper surface of the toothed plate 7 is engaged with a first gear 9, the inner wall of the first gear 9 is fixedly connected with a first shaft 10, the inner wall of the cartridge case 1 is fixedly connected with two symmetrical positioning plates 26, the positioning plates 26 are penetrated by the first shaft 10 and rotate in a limiting manner with the first shaft 10, and the two positioning plates 26 are penetrated by the first shaft 10, so that the left end and the right end of the first shaft 10 are stressed in balance, and the stability of the first shaft 10 in fixed-shaft rotation in the cartridge case 1 is further ensured;
the shaft I10 rotates in the cartridge case 1 in a fixed-axis mode, the end portion of the shaft I10 is fixedly connected with a cylinder 11, the side face of the cartridge case 1 is provided with a through hole for limiting rotation of the cylinder 11, the number of the cylinders 11 is two, the two cylinders 11 are symmetrically arranged along the vertical central line of the gear I9, the two impact columns 15 and the two shaft II 20 correspond to each other through the arrangement of the two cylinders 11 on the shaft I10, two drilling holes can be formed, three corresponding points are formed by the two drilling holes and impact points of the impact blocks 8 on the glass curtain wall, external force impact is applied to the three points, the integral structure of the glass curtain wall can be further damaged, and further crushing efficiency is accelerated;
the surface of the cylinder 11 is sleeved with a cam ring 12, the front side of the cam ring 12 is connected with a pressing plate 13 in a sliding manner, the side surface of the cartridge case 1 is provided with a through groove 14 for the pressing plate 13 to slide forwards and backwards in a limiting manner, the front side of the pressing plate 13 is fixedly connected with an impact column 15, the side surface of the cartridge case 1 is fixedly connected with a ring 16, the surface of the impact column 15 is connected with the inner wall of the ring 16 in a sliding manner, the surface of the impact column 15 is sleeved with a pressure spring 17, before the impact block 8 contacts and impacts the glass curtain wall, the gear I9 drives the shaft I10 to rotate in the cartridge case 1 in a fixed axis manner along with the forward movement of the toothed plate 7, the shaft I10 drives the cylinder 11 to rotate, the cam ring 12 on the cylinder 11 rotates along with the cam ring, when the rear side of the pressing plate 13 contacts with the concave edge surface on the cam ring 12, the impact column 15 and the pressing plate 13 integrally move to the rear position, after overcoming the elasticity of the pressure spring 17, the pressing plate 13 pushes the impact column 15 forward quickly, so that the front end of the impact column 15 impacts on the glass curtain wall, when the cylinder 11 drives the cam ring 12 to rotate continuously and under the matching of the pressure spring 17, the impact column 15 can impact on the glass curtain wall in a reciprocating high frequency manner, and the high frequency impact point is near the impact point corresponding to the impact block 8, so that the glass curtain wall can be crushed in a large range;
two ends of the pressure spring 17 are fixedly connected with opposite surfaces of the circular ring 16 and the pressure plate 13, the surface of the cylinder 11 is provided with the auxiliary device 18, and through the matching of the auxiliary device 18, the crushing of the impact point corresponding to the impact column 15 can be quicker, so that the working efficiency is improved;
the auxiliary device 18 comprises an arc toothed plate 19, the side surface of the arc toothed plate 19 is fixedly connected with one side, far away from the first shaft 10, of the cylindrical column 11, the front end of the impact column 15 is provided with a through hole and is rotatably connected with a second shaft 20 through the through hole, the second shaft 20 penetrates through the pressing plate 13 and is rotatably connected with the pressing plate 13, the second shaft 20 is limited and rotated on the side of the cartridge case 1, the side surface of the cartridge case 1 is fixedly connected with a side plate 22, the surface of the second shaft 20 penetrates through the side plate 22 and is rotatably connected with the side plate 22, the surface of the second shaft 20 is fixedly connected with two limiting rings 23, opposite surfaces of the two limiting rings 23 are respectively rotatably connected with the front side and the back side of the side plate 22, and the stability of limiting and rotation of the second shaft 20 on the position of the cartridge case 1;
the surface of the second shaft 20 is fixedly connected with two second gears 21, the surface of the second gears 21 is meshed with teeth on the arc-shaped toothed plate 19, the first shaft 10 drives the cylinder 11 to continuously rotate, the arc-shaped toothed plate 19 synchronously rotates along with the cylinder 11, the second gears 21 are sequentially in contact meshing with the two second gears 21 on the second shaft 20 and drive the second gears to rotate in a circle rotating process of the arc-shaped toothed plate 19, the rotating directions of the two second gears 21 are opposite, therefore, after the arc-shaped toothed plate 19 continuously rotates, the second gears 21 can drive the second shaft 20 to rotate in a reciprocating mode, after the bullet shell 1 is integrally ejected from the gun, the front ends of the second shafts 20 can contact the glass curtain wall before the first gears 9 and are ejected into the glass curtain wall, the rotating aperture of the second shafts 20 can be enlarged along with the reciprocating rotation of the second shafts 20, and reciprocating impact of the impact columns 15 is matched around the drilled holes of the second shafts 20, further accelerating the crushing of the glass curtain wall;
the front end of the second shaft 20 is fixedly connected with a four-pyramid block 24, the second shaft 20 can be more easily drilled into the glass curtain wall through the arrangement of the four-pyramid block 24 on the second shaft 20, and then the hole diameter of a drilled hole is enlarged along with reciprocating rotation;
the front end of the impact column 15 is provided with impact teeth 25, when the glass curtain wall is drilled into a through hole by the second shaft 20, the glass curtain wall is structurally damaged, the structural strength is reduced, the glass curtain wall drilled into the periphery of the hole can be easily crushed by the arrangement of the impact teeth 25 on the front end of the impact column 15 and the reciprocating impact along with the impact column 15, the hole diameter is further enlarged, and the strength of the integral structure of the glass curtain wall is further reduced; then, the crushing efficiency of the glass curtain wall is further improved by matching with the impact of the impact block 8;
the working principle is as follows: when the high-strength window breaking bullet structure is used, the crushing of the glass curtain wall can be more convenient through the arrangement of the crushing device 5, and the crushing efficiency is improved; the bullet shell 1 is sent out from a gun, the sucker 3 on the bullet shell 1 can contact with and then be adsorbed on a glass curtain wall, then a large amount of gas is generated in the gas generating device 2, the gas acts to push the piston 6 forwards, so that the piston 6 drives the toothed plate 7 and the impact block 8 to move forwards continuously and rapidly, the impact block 8 violently impacts on the glass curtain wall after passing through the impact port 4, and the glass curtain wall is broken through violent impact; before the impact block 8 does not contact and impact the glass curtain wall, the gear I9 carries the shaft I10 to perform fixed-axis rotation in the cartridge case 1 along with the forward movement of the toothed plate 7, the shaft I10 drives the cylinder 11 to rotate, the cam ring 12 on the cylinder 11 also rotates, when the rear side of the pressure plate 13 contacts with the concave edge surface on the cam ring 12, the impact column 15 and the pressure plate 13 integrally move to the rear position under the action of the elastic force of the pressure spring 17, when the convex edge surface on the cam ring 12 contacts with the rear side of the pressure plate 13, the impact column 15 is rapidly pushed forward through the pressure plate 13 after overcoming the elastic force of the pressure spring 17, the front end of the impact column 15 impacts on the glass curtain wall, when the cylinder 11 carries the cylinder 12 to perform continuous rotation and under the cooperation of the pressure spring 17, the impact column 15 performs reciprocating high-frequency impact on the glass curtain wall, and the high-frequency impact point is near the impact point corresponding to the impact block 8, further, the glass curtain wall can be crushed in a large range; through the matching of the auxiliary device 18, the crushing of the impact point corresponding to the impact column 15 can be quicker, and the working efficiency is improved; through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional warhead is comparatively single with glass curtain wall's contact point, be difficult to realize glass curtain wall's large tracts of land breakage, need launch many pieces of warheads in order to reach anticipated crushing effect, reduced work efficiency, the problem of inconvenience is brought for the use.
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 (7)
1. The utility model provides a broken window bullet warhead structure of high strength, includes shell case (1), the inside of shell case (1) is equipped with produces gas device (2), the front end fixedly connected with sucking disc (3) of shell case (1), striking mouth (4), its characterized in that have been seted up to the front end of shell case (1): a crushing device (5) is arranged on the front side of the gas production device (2);
the smashing device (5) comprises a piston (6), the front side fixed connection of the output end is arranged on the piston (6) and the gas production device (2), the front side fixed connection of the piston (6) is provided with a toothed plate (7), the front end fixed connection of the toothed plate (7) is provided with a striking block (8), the upper surface of the toothed plate (7) is meshed with a first gear (9), the inner wall fixed connection of the first gear (9) is provided with a first shaft (10), the first shaft (10) is fixed in the cartridge case (1) to rotate, the end part fixed connection of the first shaft (10) is provided with a cylinder (11), the side surface of the cartridge case (1) is provided with a through hole for limiting and rotating of the cylinder (11), the surface sleeve of the cylinder (11) is provided with a cam ring (12), the front side of the cam ring (12) is movably connected with a pressing plate (13), the side surface of the cartridge case (1) is provided with a through groove (14) for, the utility model discloses a cartridge case, including shell case (1), the front side fixedly connected with striking post (15) of clamp plate (13), side fixedly connected with ring (16) of shell case (1), the surface of striking post (15) and the inner wall sliding connection of ring (16), the surface cover of striking post (15) has pressure spring (17), the opposite face fixed connection of the both ends of pressure spring (17) and ring (16) and clamp plate (13), the surface of cylinder (11) is equipped with auxiliary device (18).
2. The high strength window breaking bullet head structure of claim 1, wherein: auxiliary device (18) include arc pinion rack (19), keep away from one side fixed connection of axle (10) on the side of arc pinion rack (19) and cylinder (11), the through-hole has been seted up and has been rotated through the through-hole to the front end of striking post (15) and be connected with axle two (20), axle two (20) run through clamp plate (13) and rotate with clamp plate (13) and be connected, the spacing rotation in side of shell case (1) of axle two (20), the fixed surface of axle two (20) is connected with two gears (21), and the rotation direction of two gears (21) is opposite, the tooth meshing on the surface of gear two (21) and arc pinion rack (19).
3. The high strength window breaking bullet head structure of claim 2, wherein: the side fixedly connected with curb plate (22) of shell case (1), the surface of axle two (20) runs through curb plate (22) and rotates with curb plate (22) to be connected, the fixed surface of axle two (20) is connected with two spacing rings (23), two the opposite face of spacing ring (23) rotates with the front and back side of curb plate (22) respectively and is connected.
4. The high strength window breaking bullet head structure of claim 2, wherein: the front end of the second shaft (20) is fixedly connected with a quadrangular pyramid block (24).
5. The high strength window breaking bullet head structure of claim 1, wherein: the front end of the impact column (15) is provided with impact teeth (25).
6. The high strength window breaking bullet head structure of claim 1, wherein: the inner wall fixedly connected with two symmetrical locating plates (26) of shell case (1), locating plate (26) are run through by axle one (10) and with axle one (10) spacing rotation.
7. The high strength window breaking bullet head structure of claim 1, wherein: the number of the cylinders (11) is two, and the two cylinders (11) are symmetrically arranged by using the vertical central line of the first gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010572090.7A CN111672036B (en) | 2020-06-22 | 2020-06-22 | High-strength window breaking bullet head structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010572090.7A CN111672036B (en) | 2020-06-22 | 2020-06-22 | High-strength window breaking bullet head structure |
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| CN111672036A CN111672036A (en) | 2020-09-18 |
| CN111672036B true CN111672036B (en) | 2021-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618978B (en) * | 2020-12-30 | 2022-01-18 | 浙江警察学院 | Multiple striking type window breaking bomb |
| CN112728469B (en) * | 2021-02-05 | 2023-03-28 | 广东霍通科技有限公司 | LED ceiling lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237523A (en) * | 1994-03-02 | 1995-09-12 | Hinode:Kk | Emergency tool |
| GB0717489D0 (en) * | 2007-09-08 | 2007-10-17 | Design Factor Ni The Ltd | A Glass breaking device |
| CN204279327U (en) * | 2014-11-09 | 2015-04-22 | 中国人民武装警察部队工程大学 | A kind of rifle hairdo breaks window bullet |
| CN105459942A (en) * | 2015-12-20 | 2016-04-06 | 重庆天和玻璃有限公司 | Gear rack type automotive glass crusher |
| CN106184099B (en) * | 2016-07-29 | 2018-05-15 | 重庆新钰立金属科技有限公司 | Automatic window breaking device for vehicles falling into water |
| CN106075753A (en) * | 2016-08-02 | 2016-11-09 | 厦门精图信息技术有限公司 | Vehicle-mounted smoke sensing based on Big Dipper location breaks window system |
| KR101743188B1 (en) * | 2016-11-23 | 2017-06-02 | 양필성 | Tempered glass crushing device for bus windows |
| CN107627987A (en) * | 2017-11-13 | 2018-01-26 | 合肥岭启信息科技有限公司 | A kind of front and rear glass for vehicle window breaker |
| CN207481847U (en) * | 2017-12-04 | 2018-06-12 | 广西农业职业技术学院 | A kind of security against fire for automobile Rapid window-breaking is hammered into shape |
| CN209123220U (en) * | 2018-11-22 | 2019-07-19 | 瑞银博机械制造(深圳)有限公司 | A kind of fire-fighting window breaking device with shearing function |
| CN209490394U (en) * | 2019-01-03 | 2019-10-15 | 艾隆键科科技(深圳)有限公司 | A kind of double end intelligence window breaker |
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