CN214596844U - Pyrotechnic window breaking device - Google Patents
Pyrotechnic window breaking device Download PDFInfo
- Publication number
- CN214596844U CN214596844U CN202023135117.0U CN202023135117U CN214596844U CN 214596844 U CN214596844 U CN 214596844U CN 202023135117 U CN202023135117 U CN 202023135117U CN 214596844 U CN214596844 U CN 214596844U
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- breaking device
- firing pin
- window
- pyrotechnic
- piston type
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Abstract
The utility model discloses a pyrotechnic window breaking device, which comprises an outer shell with an opening at one side, wherein the opening end of the outer shell is connected with an end cover; an inner shell is arranged on one side in the outer shell, and an excitation assembly is arranged on the other side; the inner shell and the end cover are arranged at the same side and are respectively provided with coaxial through holes; a piston type firing pin is further installed in the inner shell, the tail end of the piston type firing pin is connected with the excitation assembly, the other end of the piston type firing pin is a pin end and penetrates through the inner shell to be stopped at the end cover. The piston type firing pin has a conical crushing end, a groove is formed in the cylindrical annular side face at the other end, a sealing ring is assembled in the annular groove, and after the piston type firing pin and the inner shell are assembled, the air tightness between the piston type firing pin and the shell is ensured.
Description
Technical Field
The utility model belongs to the technical field of car safety equipment, a broken window device of firework formula is related to.
Background
With the development of the automobile industry, automobile safety is more and more emphasized. Particularly, when the passenger car collides, fires, overturns and falls into water, people need to escape from doors and windows as soon as possible in a short time. In order to realize emergency escape, a passenger car is provided with a safety hammer, but for automobile safety glass with an explosion-proof function and inexperienced passengers, the environment of the passenger car and the nervous escape psychology of the passengers are limited, repeated knocking is needed for many times, and the best escape time is delayed. Therefore, it is necessary to design a device which can actively and emergently break the glass after the accident of the automobile and increase the escape exit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a broken window device of pyrotechnic formula has solved many crowds of people when the traffic accident that exists among the prior art takes place the car inner space narrow and small, and the window can't be broken in time to the safety hammer, delays the best time problem of fleing.
The technical scheme adopted by the utility model is that the pyrotechnic window breaking device comprises an outer shell with an opening at one side, and the opening end of the outer shell is connected with an end cover; an inner shell is arranged on one side in the outer shell, and an excitation assembly is arranged on the other side; the inner shell and the end cover are arranged at the same side and are respectively provided with coaxial through holes; a piston type firing pin is further installed in the inner shell, the tail end of the piston type firing pin is connected with the excitation assembly, the other end of the piston type firing pin is a pin end and penetrates through the inner shell to be stopped at the end cover.
The excitation assembly comprises a base arranged in the outer shell, an electric ignition tool is arranged in the base, a pressing cap is arranged at the excitation end of the electric ignition tool, a clamping groove is formed in the top of the pressing cap, the pressing cap is in threaded connection with the inner side wall of the base, and the electric ignition tool is fixed by pressing after being screwed.
The electric igniter is also sleeved with an igniter sealing ring.
The base is provided with an external thread and is connected with the inner shell through the external thread.
The tail end of the piston type firing pin is also provided with a groove, and the sealing ring is sleeved in the groove.
The needle end of the piston type firing pin is wedge-shaped or conical, and the taper is 0-30 degrees.
The tail end of the piston type firing pin is provided with an inward concave arc energy gathering groove.
The piston type firing pin is also sleeved with a conical spring, and one side of the conical spring with the large diameter is opposite to the end cover.
The electric igniter is connected with the emergency trigger switch at the escape window side and the driver end trigger switch through the connecting wire at the bottom of the outer shell.
The utility model has the advantages that:
the piston type firing pin has a conical crushing end, a groove is formed in the cylindrical annular side face at the other end, a sealing ring is assembled in the annular groove, and after the piston type firing pin and the inner shell are assembled, the air tightness between the piston type firing pin and the shell is ensured, so that flame generated by the igniter cannot leak. The electric igniter is used as a power source, and the action time is short.
The inner shell is designed with threads and is used for fixing the base, the pressing cap and the electric ignition tube, an electric igniter is arranged in the base and is fixed through the pressing cap. The external part of the pressing cap adopts an externally embedded thread, one end of the pressing cap is provided with a groove, and an electric igniter arranged in the base is embedded into the base; the pressure cap is provided with an external thread and is fixed on the base in a screwing mode. The assembly process is simplified, and special equipment is not needed for assembly. The firing pin is fixed through the spring, prevents to cause the firing pin position to remove when the automobile body moves.
Drawings
FIG. 1 is a schematic view of the internal structure of the pyrotechnic window-breaking device of the present invention;
FIG. 2 is a structural diagram of a piston type striker of the pyrotechnic window-breaking device of the present invention;
FIG. 3 is a structural view of an inner casing of the pyrotechnic window-breaking device of the present invention;
FIG. 4 is a view of the structure of the pressing cap of the pyrotechnic window-breaking device of the present invention;
FIG. 5 is a three-dimensional structure of the pyrotechnic window-breaking device of the present invention;
fig. 6 is a bottom structure view of the pyrotechnic window-breaking device of the present invention.
In the figure, 1, an outer shell, 2, an end cover, 3, an inner shell, 4, a base, 5, a piston type firing pin, 6, a sealing ring, 7, a pressing cap, 8, an electric igniter, 9, a groove, 10, a clamping groove, 11, a conical spring and 12, an igniter sealing ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 3, the pyrotechnic window breaking device comprises an outer shell 1 with an opening at one side, wherein the opening end of the outer shell is connected with an end cover 2; an inner shell 3 is arranged on one side inside the outer shell 1, and an excitation assembly is arranged on the other side; the inner shell 3 and the end cover 2 are arranged at the same side and are respectively provided with coaxial through holes; a piston type firing pin 5 is further installed in the inner shell 3, the tail end of the piston type firing pin 5 is connected with the excitation assembly, the other end of the piston type firing pin is a pin end, and the piston type firing pin penetrates through the inner shell 3 and is stopped at the end cover 2. Namely, the needle end of the piston type firing pin 5 is a jacking end, the tail end of the piston type firing pin is a piston end, the jacking end of the piston type firing pin 5 is flush with the end cover 2, and the piston type firing pin 5 is pushed out along a guide groove in the inner shell 3 after the device is excited to crush the glass.
As shown in fig. 4, the excitation assembly comprises a base 4 installed in the outer shell 1, an electric igniter 8 is installed in the base 4, a pressing cap 7 is installed at the excitation end of the electric igniter 8, a clamping groove 10 is formed in the top of the pressing cap 7, the pressing cap 7 is in threaded connection with the inner side wall of the base 4, and the electric igniter 8 is fixed by pressing down after being screwed. The electric igniter 8 provides power for pushing out the piston type firing pin 5.
An igniter sealing ring 12 is further sleeved on the electric igniter 8, and the igniter sealing ring 12 is matched with the sealing ring 6 to form a closed space, so that the phenomenon that gas leaks out after the electric igniter 8 is excited to cause insufficient impact force is avoided.
The base 4 is provided with an external thread and is connected with the inner shell 3 through the external thread.
As shown in fig. 2, the piston firing pin 5 also has a groove 9 at its rear end, and the sealing ring 6 is fitted in the groove 9. The air tightness between the piston type firing pin 5 and the inner shell 3 is ensured. The flame generated by the igniter is prevented from leaking to the outside of the product.
The needle end of the piston type firing pin 5 is wedge-shaped or conical, and the taper is 0-30 degrees. The through hole on the same side of the inner shell 3 and the end cover 2 is matched with the diameter of the needle end of the piston type firing pin 5 to guide the piston type firing pin 5.
The tail end of the piston type firing pin 5 is provided with an inward concave arc energy gathering groove.
The piston type firing pin 5 is further sleeved with a conical spring 11, and one side of the conical spring 11 with the large diameter is opposite to the end cover 2. The conical spring 11 can guide the piston type firing pin 5 during installation, is convenient to install, and enables the firing pin to be located at a designated position after installation, and does not move along with vibration of a vehicle body.
The electric igniter 8 is connected with the emergency trigger switch at the escape window side and the trigger switch at the driver end through a connecting wire at the bottom of the outer shell 1.
The piston firing pin 5 is excited to break glass by pressure generated by the ignition of the electric igniter 8, the electric igniter 8 excites ignition powder to burn and do work through an electric signal, the work is less than 2ms from receiving a signal to outputting, and the output energy can be adjusted according to the glass strength of a passenger vehicle, so that the performance of the igniter is matched, and the breaking requirement of a window breaking device can be completely met.
As shown in fig. 5-6, the working process of the device is as follows:
when a traffic accident happens, a driver or passengers trigger the window breaking device to be switched on and off, the electric igniter 8 is excited to instantly generate high-pressure gas, the high-pressure gas is output to push the piston firing pin type 5 to move, the firing pin quickly strikes the glass through the inner shell 3 and the end cover 2, the purpose of breaking or cracking the glass is achieved, and precious time is provided for passengers to escape.
The device has the advantages that:
the piston type firing pin has a conical crushing end, a groove is formed in the cylindrical annular side face at the other end, a sealing ring is assembled in the annular groove, and after the piston type firing pin and the inner shell are assembled, the air tightness between the piston type firing pin and the shell is ensured, so that flame generated by the igniter cannot leak. The electric igniter is used as a power source, and the action time is short.
The inner shell is designed with threads and is used for fixing the base, the pressing cap and the electric ignition tube, an electric igniter is arranged in the base and is fixed through the pressing cap. The external part of the pressing cap adopts an externally embedded thread, one end of the pressing cap is provided with a groove, and an electric igniter arranged in the base is embedded into the base; the pressure cap is provided with an external thread and is fixed on the base in a screwing mode. The assembly process is simplified, and special equipment is not needed for assembly. The firing pin is fixed through the spring, prevents to cause the firing pin position to remove when the automobile body moves.
Claims (9)
1. A pyrotechnic window breaking device is characterized by comprising an outer shell (1) with an opening at one side, wherein the opening end of the outer shell is connected with an end cover (2); an inner shell (3) is arranged on one side inside the outer shell (1), and an excitation assembly is arranged on the other side; the inner shell (3) and the end cover (2) are arranged at the same side and are respectively provided with coaxial through holes; still install piston firing pin (5) in interior casing (3), piston firing pin (5) tail end connection arouses the subassembly, and the other end is the needle end, passes interior casing (3) and ends in end cover (2).
2. A pyrotechnic window-breaking device according to claim 1, wherein the excitation assembly comprises a base (4) installed in the outer shell (1), an electric igniter (8) is installed in the base (4), a pressing cap (7) is installed at the excitation end of the electric igniter (8), a clamping groove (10) is formed in the top of the pressing cap (7), the pressing cap (7) is in threaded connection with the inner side wall of the base (4), and the electric igniter (8) is pressed and fixed after being screwed.
3. A pyrotechnic window-breaking device as claimed in claim 2, in which the base (4) is externally threaded and is connected to the inner casing (3) by means of an external thread.
4. A pyrotechnic window-breaking device as claimed in claim 2, characterised in that the electrical igniter (8) is also sleeved with an igniter gasket (12).
5. A pyrotechnic window-breaking device as in claim 1, characterised in that the piston-type striker pin (5) is also provided at its rear end with a groove (9), the sealing ring (6) being fitted in the groove (9).
6. A pyrotechnic window-breaking device according to claim 1, characterised in that the pin end of the piston striker pin (5) is wedge-shaped or conical, tapering between 0 and 30 degrees.
7. A pyrotechnic window-breaking device according to claim 1, characterised in that the piston striker (5) is provided with concave curved energy-concentrating grooves at its rear end.
8. A pyrotechnic window-breaking device as claimed in claim 1, characterised in that the piston striker (5) is further sleeved with a conical spring (11), and the side of the conical spring (11) with the larger diameter is opposite to the end cap (2).
9. A pyrotechnic window-breaking device as claimed in claim 2, characterised in that the electrical igniter (8) is connected to the escape window side emergency trigger switch and the driver side trigger switch by a connecting line at the bottom of the outer casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023135117.0U CN214596844U (en) | 2020-12-23 | 2020-12-23 | Pyrotechnic window breaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023135117.0U CN214596844U (en) | 2020-12-23 | 2020-12-23 | Pyrotechnic window breaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214596844U true CN214596844U (en) | 2021-11-05 |
Family
ID=78431589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023135117.0U Active CN214596844U (en) | 2020-12-23 | 2020-12-23 | Pyrotechnic window breaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214596844U (en) |
-
2020
- 2020-12-23 CN CN202023135117.0U patent/CN214596844U/en active Active
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