CN219531838U - Electric primer ignition structure - Google Patents
Electric primer ignition structure Download PDFInfo
- Publication number
- CN219531838U CN219531838U CN202320051195.7U CN202320051195U CN219531838U CN 219531838 U CN219531838 U CN 219531838U CN 202320051195 U CN202320051195 U CN 202320051195U CN 219531838 U CN219531838 U CN 219531838U
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- China
- Prior art keywords
- resistor
- primer
- electrode
- pcb
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an electric primer ignition structure, which comprises: the cylindrical primer shell is used as a first electrode and a pole sleeve, the pole sleeve is arranged in a through hole formed in the end face of one end of the primer shell, and the pole sleeve is made of an insulating material; a pole piece fixedly arranged in the pole sleeve, the pole piece serving as a second electrode; the resistor and the PCB board used for bearing the resistor are opposite to each other, the resistor and the pole core can be electrically connected in a manner of pressing down the resistor, and the primer shell and the resistor are electrically connected through the PCB board. The electric primer ignition structure adopts the integrated structure of the PCB and the ignition resistor, is convenient to assemble, high in efficiency, high in product qualification rate and good in ignition consistency.
Description
Technical Field
The present utility model relates to an electric primer structure that ignites gunpowder by resistance heating.
Background
The original electric primer ignition device has the function of igniting primer by heating the bridge wire, the welding of the bridge wire resistor is manual welding, one manual end of the resistor wire is welded on the primer shell, the other end of the resistor wire is welded on the pole core, the extremely poor and the qualification rate is low. The disqualification needs to be repaired, the efficiency is low, the labor intensity of operators is high, and the ignition consistency is poor.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims at the defects in the prior art and particularly provides an electric primer ignition structure for solving the problems in the background art.
2. Technical proposal
In order to solve the technical problems, the utility model provides an electric primer ignition structure, which comprises:
a cylindrical primer housing, serving as a first electrode,
the pole sleeve is arranged in a through hole formed in one end face of the primer shell, and the pole sleeve is made of an insulating material;
a pole piece fixedly arranged in the pole sleeve, the pole piece serving as a second electrode;
the resistor and the PCB board used for bearing the resistor are opposite to each other, the resistor and the pole core can be electrically connected in a manner of pressing down the resistor, and the primer shell and the resistor are electrically connected through the PCB board.
Wherein, the PCB board is annular, and protruding the being equipped with of annular PCB board transversely extends installs the muscle, the resistor setting with on the installation muscle.
Wherein, be provided with the notch portion of continuous range on the PCB board.
Wherein, be provided with the bulge that is used for being connected with primer shell electricity on the periphery of PCB board.
The first electrode is a negative electrode, and the second electrode is a positive electrode.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: the electric primer ignition structure adopts the integrated structure of the PCB and the ignition resistor, is convenient to assemble, high in efficiency, high in product qualification rate and good in ignition consistency.
Drawings
Fig. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is a schematic diagram of a matching structure of a PCB board and a resistor according to the present utility model.
Description of the embodiments
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1-2, an embodiment of the present utility model is provided: the electric primer ignition structure comprises a cylindrical primer shell 1, a pole sleeve 2, a pole core 3, a resistor 4 and a PCB 5 for bearing the resistor.
The primer shell 1 is used as a first electrode, the pole sleeve 2 is arranged in a through hole 100 formed in one end face of the primer shell 1, the pole sleeve 2 is made of an insulating material, and the pole core 3 is fixedly arranged in the pole sleeve 2 and used as a second electrode; the resistor 4 and the pole core 3 are opposite to each other, and the resistor 4 and the pole core 3 can be electrically connected by pressing down the resistor, namely, when gunpowder is arranged in the primer shell 1, the resistor 4 is pressed down so as to form electrical connection with the pole core; an electrical connection is made between the primer housing 1 and the resistor 4 through the PCB board 5, i.e. when the PCB board 5 is fitted into the primer housing 1, an electrical connection is made between it and the primer housing.
In the structure, the PCB and the ignition resistor (namely the resistor) are integrated, the PCB is arranged in the primer shell, and meanwhile, the resistor and the first electrode of the primer shell are electrically connected with the second electrode of the electrode core, so that the step of welding the resistor bridge wire is omitted, the assembly is convenient, the efficiency is high, the product qualification rate is improved, and the ignition consistency is good.
Specifically, the PCB 5 is annular, and a mounting rib 6 extending transversely is protruding in the annular PCB 5, and the resistor 4 is disposed on the mounting rib 6. The laterally extending mounting ribs 6 facilitate electrical connection with the pole core while the resistor 4 is pressed down along the mounting ribs 6.
Further, the PCB 5 is provided with notch portions 7 arranged in succession. The slot 7 is used to provide a location when installed in the primer casing. Also, a protrusion 8 for electrical connection with the primer case 1 is provided on the outer circumference of the PCB 5.
In this embodiment, the first electrode is a negative electrode, and the second electrode is a positive electrode. Of course, the first electrode and the second electrode may be arranged alternately as needed, which is not limited in this embodiment.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. Electric primer ignition structure, its characterized in that includes:
a cylindrical primer housing (1) serving as a first electrode,
the pole sleeve (2) is arranged in a through hole (100) formed in one end face of the primer shell (1), and the pole sleeve (2) is made of an insulating material;
a pole core (3) fixedly arranged in the pole sleeve (2), the pole core (3) being used as a second electrode;
the resistor (4) and the PCB (5) used for bearing the resistor are opposite to each other, the resistor (4) and the pole core (3) can be electrically connected in a manner of pressing down the resistor, and the primer shell (1) and the resistor (4) are electrically connected through the PCB (5).
2. The electric primer ignition structure of claim 1, wherein: the PCB (5) is annular, and the annular PCB (5) is internally provided with a transversely extending mounting rib (6) in a protruding mode, and the resistor (4) is arranged on the mounting rib (6).
3. The electric primer ignition structure of claim 2, wherein: the PCB (5) is provided with notch parts (7) which are arranged continuously.
4. An electric primer ignition structure as set forth in claim 3, wherein: a protruding part (8) used for being electrically connected with the primer shell (1) is arranged on the periphery of the PCB (5).
5. The electric primer ignition structure of claim 1, wherein: the first electrode is a negative electrode, and the second electrode is a positive electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051195.7U CN219531838U (en) | 2023-01-09 | 2023-01-09 | Electric primer ignition structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051195.7U CN219531838U (en) | 2023-01-09 | 2023-01-09 | Electric primer ignition structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219531838U true CN219531838U (en) | 2023-08-15 |
Family
ID=87645302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320051195.7U Active CN219531838U (en) | 2023-01-09 | 2023-01-09 | Electric primer ignition structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219531838U (en) |
-
2023
- 2023-01-09 CN CN202320051195.7U patent/CN219531838U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |