CN213067294U - Glow bridge wire type electric primer with spring type fuse - Google Patents
Glow bridge wire type electric primer with spring type fuse Download PDFInfo
- Publication number
- CN213067294U CN213067294U CN202022046043.7U CN202022046043U CN213067294U CN 213067294 U CN213067294 U CN 213067294U CN 202022046043 U CN202022046043 U CN 202022046043U CN 213067294 U CN213067294 U CN 213067294U
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- spring
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- stepped hole
- conductive shell
- hole
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Abstract
The utility model belongs to the technical field of automatically controlled transmission, concretely relates to glowing bridge filament formula electric primer with spring insurance. The electric shock device aims to solve the technical problems that the existing electric shock device is unreliable in heating the propellant powder by the resistance wire and the like. The technical scheme of the utility model is that: a glowing bridge wire type electric primer with a spring type fuse comprises a conductive shell, an insulating cylinder, a conductive rod, a fuse spring, an insulating washer, a conductive core, a bridge wire, an ignition charge and a tin foil cover; the conductive shell is cylindrical, the inner cavity of the conductive shell is provided with three stepped holes from small to large according to the diameter, the insulating cylinder is arranged in the second stepped hole of the conductive shell, the conductive rod is arranged in the first stepped hole of the conductive shell, the safety spring is arranged in the spring hole of the insulating cylinder, the insulating gasket is arranged on the upper portion of the inner cavity of the insulating cylinder, the conductive core is arranged in the inner cavity of the insulating gasket, the bridge wire is arranged in the third stepped hole of the conductive shell, and the ignition powder is arranged in the third stepped hole of the conductive shell and contacts with the surface of the bridge wire.
Description
Technical Field
The utility model belongs to the technical field of automatically controlled transmission, concretely relates to glowing bridge filament formula electric primer with spring insurance.
Background
The Chinese patent application 201310024836.0 discloses an electric-shock bullet-firing method, which uses a section of resistance wire to ignite propellant powder, and the method has the advantages of simple structure, poor reliability, small ignition area, incapability of ensuring that the propellant powder is completely ignited in a very short time, and low engineering applicability.
Chinese patent 201610914191.1 discloses a "primer for electric shock bullet with metal fuse", which can prevent the false firing of electric shock bullet caused by the interference of external power supply, but it needs to open the line holes on many parts and the wires to pass through the line holes to protect the primer of electric firing bullet. The method has high processing difficulty and complex process, and is not beneficial to batch production of the electric shock gun-firing bombs.
Chinese utility model patent 201621141027.3 discloses a bullet primer is sent out to electric shock with reed formula insurance, it can prevent to send out the bullet mistake to send out because of the electric shock that external power source interference leads to, but it only supports the gunpowder gas that the bullet produced in the launching process with an insulating end cover and to the impact of primer, realizes that the degree of difficulty is big, leads to leaking behind the gunpowder gas easily, damages firearms, causes danger for holding the rifle person.
Disclosure of Invention
The utility model aims at solving the technical problem that the existing electric shock device has the problems that the resistance wire heating propellant powder is unreliable, the intensity of the primer of the electric shock gun shell is not enough and the accidental firing of the electric shock gun shell easily occurs, and providing a glowing bridge wire type electric primer with spring type safety.
In order to achieve the above object, the utility model adopts the following technical scheme:
a glowing bridge wire type electric primer with a spring type fuse comprises a conductive shell, an insulating cylinder, a conductive rod, a fuse spring, an insulating washer, a conductive core, a bridge wire, an ignition charge and a tin foil cover; the conductive shell is cylindrical, the inner cavity of the conductive shell is provided with three stepped holes from small to large in diameter, the first stepped hole is positioned at the bottom end of the inner cavity of the conductive shell and is a minimum stepped hole, the third stepped hole is positioned at the top end of the inner cavity of the conductive shell and is a maximum stepped hole, and the second stepped hole is positioned between the first stepped hole and the third stepped hole; the insulating cylinder is arranged in a second stepped hole of the conductive shell, the conductive rod is a stepped shaft, the small shaft end of the conductive rod is arranged in a first stepped hole of the conductive shell, the large shaft end is positioned at the lower part of a spring hole arranged in the inner cavity of the insulating cylinder, the safety spring is arranged in the spring hole of the insulating cylinder, the bottom surface of the safety spring is contacted with the end surface of the large shaft end of the conductive rod, the insulating gasket is arranged in a gasket hole arranged at the upper part of the inner cavity of the insulating cylinder, the bottom surface of the insulating gasket is contacted with the upper end surface of the safety spring, the conductive core is arranged in the inner cavity of the insulating gasket, the small shaft end penetrates out of a round hole arranged at the bottom surface of the insulating gasket, the bridge wire is arranged in a third stepped hole of the conductive shell, the periphery of the bottom surface of the bridge wire is fixedly connected with the top surface of the third stepped hole of the conductive shell, the middle part of the bottom surface of the bridge wire is fixedly connected, the tin foil cover is arranged at the upper end of the third stepped hole of the conductive shell and fixes the ignition powder in the third stepped hole of the conductive shell.
Furthermore, the insulating cylinder is cylindrical, and the inner cavity of the insulating cylinder is provided with a spring hole and a gasket hole from small to large according to the diameter.
Furthermore, the bridge wire is conical and is composed of a large number of resistance wires.
Furthermore, the safety spring is a cylindrical compression spring, and the diameter of the safety spring is larger than that of the small shaft of the conductive core and smaller than that of the spring hole of the insulating cylinder.
Compared with the prior art, the utility model, it is showing the advantage and lies in:
1. more reliable: the bridge wire is used for heating the ignition powder, so that the ignition powder is safer and more reliable compared with resistance wire heating;
2. has the following functions: before the bullet is fired, two ends of the bridge wire are in a short circuit state, so that interference current cannot flow through the bridge wire, and the bullet can be prevented from being fired accidentally;
3. the structural strength is high: the conductive shell accommodates all parts in a mode of arranging the stepped holes in the conductive shell, so that the strength of the electric primer can be effectively improved, and the impact of gunpowder and fuel gas can be completely borne.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the conductive housing of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the glow bridge wire type electric primer with spring fuse in the present embodiment comprises a conductive shell 1, an insulating cylinder 2, a conductive rod 3, a fuse spring 4, an insulating washer 5, a conductive core 6, a bridge wire 7, an ignition charge 8 and a tin foil cover 9; the conductive shell 1 is cylindrical, the inner cavity of the conductive shell is provided with three stepped holes from small to large according to the diameter, wherein the first stepped hole 1-1 is positioned at the bottom end of the inner cavity of the conductive shell 1 and is a minimum stepped hole, the third stepped hole 1-3 is positioned at the top end of the inner cavity of the conductive shell and is a maximum stepped hole, and the second stepped hole 1-2 is positioned between the first stepped hole and the third stepped hole; the insulating cylinder 2 is arranged in a second stepped hole 1-2 of the conductive shell 1, the conductive rod 3 is a stepped shaft, the small shaft end of the conductive rod is arranged in the first stepped hole 1-1 of the conductive shell 1, the large shaft end is positioned at the lower part of a spring hole arranged in the inner cavity of the insulating cylinder 2, the safety spring 4 is arranged in the spring hole of the insulating cylinder 2, the bottom surface of the safety spring is contacted with the end surface of the large shaft end of the conductive rod 3, the insulating gasket 5 is arranged in a gasket hole arranged at the upper part of the inner cavity of the insulating cylinder 2, the bottom surface of the insulating gasket 5 is contacted with the upper end surface of the safety spring 4, the conductive core 6 is arranged in the inner cavity of the insulating gasket 5, the small shaft end penetrates through a round hole arranged at the bottom surface of the insulating gasket 5, the bridge wire 7 is arranged in a third stepped hole 1-3 of the conductive shell 1, the periphery of the bottom surface of the bridge wire 7 is fixedly connected with the top surface of the third stepped hole 1-3, the ignition charge 8 is arranged in the third stepped hole 1-3 of the conductive shell 1 and is in contact with the surface of the bridge wire 7, and the tinfoil cover 9 is arranged at the upper end of the third stepped hole 1-3 of the conductive shell 1 and fixes the ignition charge 8 in the third stepped hole 1-3 of the conductive shell 1, so that the ignition charge 8 can be separated from the ignition charge 8 and can play a role of moisture protection for the ignition charge 8.
The insulating cylinder 2 is cylindrical, and a spring hole and a gasket hole are formed in the inner cavity of the insulating cylinder from small to large according to the diameter.
The bridgewire 7 is conical and is composed of a large number of resistance wires.
The safety spring 4 is a cylindrical compression spring, the diameter of which is larger than that of the small shaft of the conductive core 6 and smaller than that of the spring hole of the insulating cylinder 2.
The utility model discloses a working process is: the trigger is pulled, the electrified firing pin is released, and the conductive rod 3 is struck; the conducting rod 3 compresses the safety spring 4 until the safety spring is contacted with the conducting core 6; at the moment, the positive pole current of the power supply of the firearm flows through the firing pin → the conductive rod 3 → the conductive core 6 → the bridge wire 7 → the conductive shell 1 → the cartridge case → the barrel → the bolt → the negative pole of the power supply of the firearm to form a closed loop; the bridge wire 7 is rapidly heated in a continuous closed loop, when the temperature reaches a certain value, the ignition charge 8 is ignited, the tin foil cover 9 is broken, the propellant charge is ignited, and the propellant charge generates gunpowder gas to push the projectile to fire.
Claims (4)
1. The utility model provides a glowing bridge wire formula electric primer with spring insurance which characterized in that: the ignition device comprises a conductive shell (1), an insulating cylinder (2), a conductive rod (3), a safety spring (4), an insulating washer (5), a conductive core (6), a bridge wire (7), an ignition charge (8) and a tin foil cover (9); the conductive shell (1) is cylindrical, three stepped holes are formed in an inner cavity of the conductive shell from small to large according to the diameter, the first stepped hole (1-1) is located at the bottom end of the inner cavity of the conductive shell (1) and is the smallest stepped hole, the third stepped hole (1-3) is located at the top end of the inner cavity of the conductive shell and is the largest stepped hole, and the second stepped hole (1-2) is located between the first stepped hole and the third stepped hole; the insulating cylinder (2) is arranged in a second stepped hole (1-2) of the conductive shell (1), the conductive rod (3) is a stepped shaft, the small shaft end of the conductive rod is arranged in the first stepped hole (1-1) of the conductive shell (1), the large shaft end is positioned at the lower part of a spring hole arranged in the inner cavity of the insulating cylinder (2), the safety spring (4) is arranged in the spring hole of the insulating cylinder (2) and the bottom surface of the safety spring is contacted with the end surface of the large shaft end of the conductive rod (3), the insulating gasket (5) is arranged in a gasket hole arranged at the upper part of the inner cavity of the insulating cylinder (2) and the bottom surface of the insulating gasket is contacted with the upper end surface of the safety spring (4), the conductive core (6) is arranged in the inner cavity of the insulating gasket (5) and the small shaft end penetrates out of a round hole arranged at the bottom surface of the insulating gasket (5), the bridge wire (7) is arranged in the third stepped hole (1-3) of the conductive shell (1) and the periphery of the bottom surface is fixedly connected with the top surface of the third stepped hole, the middle of the bottom surface of the bridge wire (7) is fixedly connected with the top surface of the conductive core (6), the ignition powder (8) is arranged in the third stepped hole (1-3) of the conductive shell (1) and is contacted with the surface of the bridge wire (7), and the tinfoil cover (9) is arranged at the upper end of the third stepped hole (1-3) of the conductive shell (1) and fixes the ignition powder (8) in the third stepped hole (1-3) of the conductive shell (1).
2. The bridge wire type electric primer with the spring type fuse as claimed in claim 1, wherein: the insulating cylinder (2) is cylindrical, and a spring hole and a gasket hole are formed in the inner cavity of the insulating cylinder from small to large according to the diameter.
3. The bridge wire type electric primer with the spring type fuse as claimed in claim 1, wherein: the bridge wire (7) is conical and is composed of a large number of resistance wires.
4. The bridge wire type electric primer with the spring type fuse as claimed in claim 1, wherein: the safety spring (4) is a cylindrical compression spring, the diameter of the safety spring is larger than that of the small shaft of the conductive core (6) and smaller than that of the spring hole of the insulating cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046043.7U CN213067294U (en) | 2020-09-17 | 2020-09-17 | Glow bridge wire type electric primer with spring type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046043.7U CN213067294U (en) | 2020-09-17 | 2020-09-17 | Glow bridge wire type electric primer with spring type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213067294U true CN213067294U (en) | 2021-04-27 |
Family
ID=75559191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022046043.7U Expired - Fee Related CN213067294U (en) | 2020-09-17 | 2020-09-17 | Glow bridge wire type electric primer with spring type fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213067294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146655A (en) * | 2023-08-15 | 2023-12-01 | 广州成至智能机器科技有限公司 | Primer, firework shell and firework |
-
2020
- 2020-09-17 CN CN202022046043.7U patent/CN213067294U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146655A (en) * | 2023-08-15 | 2023-12-01 | 广州成至智能机器科技有限公司 | Primer, firework shell and firework |
| CN117146655B (en) * | 2023-08-15 | 2024-04-02 | 广州成至智能机器科技有限公司 | Primer, firework shell and firework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210917 |