CN219454847U - Low-impact high-synchronism explosion bolt - Google Patents
Low-impact high-synchronism explosion bolt Download PDFInfo
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- CN219454847U CN219454847U CN202320525752.4U CN202320525752U CN219454847U CN 219454847 U CN219454847 U CN 219454847U CN 202320525752 U CN202320525752 U CN 202320525752U CN 219454847 U CN219454847 U CN 219454847U
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Abstract
The utility model discloses a low-impact high-synchronism explosion bolt, which belongs to the technical field of initiating explosive devices and comprises an electric explosion tube (1), a bolt body (2) and a piston (3), wherein the electric explosion tube (1) comprises an insensitive ignition component (4), a shell (5), a copper ring (6), a charging ring (7), an insulating plug (8), a baffle plate (9) and a reinforcing cap (10); the utility model combines the high-synchronism ignition design with the low-impact design, improves the action synchronism of the explosion bolt, reduces impact on a system and reduces harm to precise instruments, electronic equipment, brittle materials and the like in the system.
Description
Technical Field
The utility model relates to the technical field of initiating explosive devices, in particular to a low-impact high-synchronism explosion bolt.
Background
The traditional explosive bolt is a device for driving to do work by using explosive and explosive explosion energy, so that larger impact load can be generated in the acting process, if no protective measures are taken, the impact can cause damage to connected and adjacent equipment, and particularly the damage to electronic equipment, a light and thin structure and brittle materials is obvious. If a plurality of explosion bolts are used for connection, the action synchronism has a great influence on the separation attitude.
Disclosure of Invention
The utility model aims to provide a low-impact high-synchronism explosion bolt so as to solve the problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the low-impact high-synchronism explosion bolt comprises an electric explosion tube, a bolt body and a piston, wherein the electric explosion tube is connected with the bolt body, the piston is arranged in the bolt body, the electric explosion tube comprises an insensitive ignition component, a shell, a copper ring, a charging ring, an insulating plug, a baffle and a reinforcing cap, the insensitive ignition component is pressed in the shell through the copper ring, and the charging ring is assembled at a charging end of the ignition component; the insulating plug, the baffle and the reinforcing cap are all assembled in the shell.
As a preferable technical scheme: the electric explosion tube is connected with the bolt body through threads. The assembly is simple, and the sealing is reliable.
As a preferable technical scheme: the electric explosion tube further comprises an insulating plug, the insulating plug is located at one end, close to the electric interface, of the ignition assembly, and the ignition assembly is located with the shell through the insulating plug to prevent the ignition assembly from rotating.
As a preferable technical scheme: the bolt body is made of 05Cr17Ni4Cu4Nb material. The pre-section of the bolt body is of a tubular structure, the torsional strength is high, meanwhile, a material 05Cr17Ni4Cu4Nb with smaller yield strength and larger plastic deformation capacity is preferably used, the energy absorption effect is better, and the impact of the structure is minimum.
As a preferable technical scheme: the charging ring is assembled at the charging end of the ignition assembly in an adhesive manner, and the insulation resistance of the product is increased to meet the index requirement.
As a preferable technical scheme: the insulating plug is assembled in the shell in an adhesive mode so as to fix the relative positions of the pins of the ignition assembly.
As a preferable technical scheme: the baffle is assembled in the shell in a mechanical closing-in mode, and the shielding cable is communicated with the shell to play a shielding role.
As a preferable technical scheme: the reinforcing cap is assembled in the shell in a press-fit mode, and the reinforcing cap can fix the medicament to meet the requirements of safety and environmental adaptability indexes.
The utility model combines the high-synchronism ignition design with the low-impact design, improves the action synchronism of the explosion bolt, reduces impact on a system, and reduces harm to precise instruments, electronic equipment, brittle materials and the like in the system. The ignition component preferably adopts a semiconductor bridge to ignite and match with a lead stevenate initiating explosive, the response time is short, the response time can reach within 20 mu s under the condition of capacitor discharge, the gas generating explosive preferably adopts a plurality of 125 initiating explosive, the gas generation is fast, the action synchronism of an explosion bolt can reach within 0.5ms, and the technical level is higher than the technical level that the common index requires 1ms synchronism.
Compared with the prior art, the utility model has the advantages that: the utility model improves the action synchronism of the explosion bolts, reduces the impact on the system, and meets the development requirements of low impact and refinement of aerospace fire tools.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the interior of the squib of FIG. 1;
in the figure: 1. an electric explosion tube; 2. a bolt body; 3. a piston; 4. a firing assembly; 5. a housing; 6. A copper ring; 7. a charge ring; 8. an insulating plug; 9. baffle 10, reinforcing cap.
Description of the embodiments
The utility model will be further described with reference to the accompanying drawings.
Examples
Referring to fig. 1 and 2, a low-impact high-synchronism explosive bolt comprises an electric explosion tube 1, a bolt body 2 and a piston 3, wherein the electric explosion tube 1 is connected with the bolt body 2 through threads, the piston 3 is arranged in the bolt body 2, the electric explosion tube 1 comprises an insensitive ignition component 4, a shell 5, a copper ring 6, a charging ring 7, an insulating plug 8, a baffle 9 and a reinforcing cap 10, and the insensitive ignition component 4 is pressed in the shell 5 through the copper ring 6; the ignition component 4 is positioned with the shell 5 through the insulating plug 8 to prevent the ignition component 4 from rotating; the charging ring 7 is assembled at the charging end of the ignition assembly 4 in an adhesive manner, the insulation resistance of the product is increased to meet the index requirement, the insulation plug 8 is assembled in the shell 5 in an adhesive manner to fix the relative position of the contact pin of the ignition assembly, the baffle 9 is assembled in the shell 5 in a mechanical closing manner, the shielding cable is communicated with the shell 5 to play a shielding role, and the reinforcing cap 10 is assembled in the shell 5 in a press-fitting manner to fix the medicament to meet the safety and environmental adaptability index requirement;
in the embodiment, the piston 3 is arranged in the bolt body 2 and is sealed by an O-shaped ring, so that friction loss in the movement process of the piston is reduced, the drug loading is reduced, and the requirement of reducing impact is met;
in the embodiment, the ignition component 4 is an insensitive ignition component, is a semiconductor bridge press-fitted with a lead stetholate initiating explosive, has an ignition response time of less than 200 mu s, and meets the requirement of high synchronism;
in the embodiment, the explosive charge of the electric detonator 1 is 125 propellant charges, the gas production rate is high, the rate is low, the impact is reduced when the energy index is reached, the bolts can be reliably separated, and redundant impact of the bolts in the separation process due to overlarge explosive charge is avoided;
in this embodiment, the pre-section of the bolt body 2 is a tubular structure, and the material with smaller yield strength and larger plastic deformation capacity, such as 05Cr17Ni4Cu4Nb, is selected for use while the torsional strength is high, so that the bolt has a better energy absorption effect and the impact of the structure is minimum.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A low impact high synchronism explosive bolt which characterized in that: the electric explosion tube comprises an electric explosion tube (1), a bolt body (2) and a piston (3), wherein the electric explosion tube (1) is connected with the bolt body (2), the piston (3) is arranged in the bolt body (2), the electric explosion tube (1) comprises an ignition component (4), a shell (5), a copper ring (6), a charging ring (7), an insulating plug (8), a baffle plate (9) and a reinforcing cap (10), and the ignition component (4) is pressed in the shell (5) through the copper ring (6); the charging ring (7) is assembled at the charging end of the ignition assembly (4); the insulating plug (8), the baffle plate (9) and the reinforcing cap (10) are all assembled in the shell (5).
2. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the electric explosion tube (1) is connected with the bolt body (2) through threads.
3. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the electric explosion tube (1) further comprises an insulating plug (8), and the insulating plug (8) is positioned at one end of the ignition assembly (4) close to the electric interface.
4. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the pre-section of the bolt body (2) is of a tubular structure.
5. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the bolt body (2) is made of 05Cr17Ni4Cu4Nb material.
6. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the charging ring (7) is assembled at the charging end of the ignition assembly (4) in an adhesive mode.
7. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the insulating plug (8) is assembled in the shell (5) in an adhesive mode.
8. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the baffle (9) is assembled in the shell (5) in a mechanical closing-in way.
9. A low impact high synchronism explosive bolt according to claim 1, characterized in that: the reinforcing cap (10) is assembled in the shell (5) in a press-fit mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320525752.4U CN219454847U (en) | 2023-03-17 | 2023-03-17 | Low-impact high-synchronism explosion bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320525752.4U CN219454847U (en) | 2023-03-17 | 2023-03-17 | Low-impact high-synchronism explosion bolt |
Publications (1)
Publication Number | Publication Date |
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CN219454847U true CN219454847U (en) | 2023-08-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320525752.4U Active CN219454847U (en) | 2023-03-17 | 2023-03-17 | Low-impact high-synchronism explosion bolt |
Country Status (1)
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CN (1) | CN219454847U (en) |
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2023
- 2023-03-17 CN CN202320525752.4U patent/CN219454847U/en active Active
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