CN105333774B - Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet - Google Patents
Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet Download PDFInfo
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- CN105333774B CN105333774B CN201410386904.2A CN201410386904A CN105333774B CN 105333774 B CN105333774 B CN 105333774B CN 201410386904 A CN201410386904 A CN 201410386904A CN 105333774 B CN105333774 B CN 105333774B
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Abstract
The invention discloses an ignition delay detonation device for a dry powder fire extinguishing bullet and the dry powder fire extinguishing bullet. The dry powder fire extinguishing bullet comprises the ignition delay detonation device, a fire extinguishing bullet shell body, a dry powder fire extinguishing agent, a safety paper sealer and a ring-pull. The ignition delay detonation device and the dry powder fire extinguishing agent are both arranged in the fire extinguishing bullet shell body. The opening portion of the fire extinguishing bullet shell body is provided with the ring-pull. The opening of the fire extinguishing bullet shell body is sealed through the safety paper sealer. The ignition delay detonation device comprises an ignition tension spring, an outer shell, a friction primer, an inner shell, a detonation cord, a detonation amplifying pipe, a blasting agent and a rib strip. The ignition tension spring and the friction primer are both standard products. As the detonation cord of a grenade is improved, the material cost is reduced, and the delay precision and the igniting reliability are improved; designs of explosive spilling resistance, flame over resistance and damp resistance are conducted; an exhaust passage is designed in a mode of three-channel redundancy, and flame passing parts such as the outer shell and the inner shell are made from flame retardant plastic with good heat resistance, so that the delay reliability is ensured.
Description
Technical field
The invention belongs to fire-fighting domain, be specifically related to a kind of dry chemical projectile ignition delayed ignition device and dry powder goes out
Fire bullet.
Background technology
Dry chemical projectile is a kind of fire distinguisher efficient, preferable, its advantages of nontoxic raw materials, tasteless, environmental sound,
During effect to certain distance outside object do not result in damage, the initial fire of burst can be made at short notice to be had
Effect controls, it is adaptable to forest zone, factories and miness, family, the fire-fighting of hotels and other places.
Dragons and fishes jumbled together for the most existing dry chemical projectile, and quality good or not differs.Some products have not been taked
The moisture preventive measure of effect, after fire extinguisher bomb deposits certain time, the ratio of " duds " is very big, had both affected fire extinguishing, and had also stayed
Lower potential safety hazard.
Some products cause the situation that wound user of service to happen occasionally because of quality problems, according to Nanjing evening paper
(20050403) " fire extinguisher bomb explodes in forest ranger's hands ": " forest ranger occurs when putting out a fire with fire extinguisher bomb
Unexpected, fire extinguisher bomb explodes the most suddenly throw, be wound by two handss of forest ranger.That afternoon 3 point
40 points, the burst mountain forest big fire of forest farm, six directions Pingshan Mountain southeast corner.More than 100 forest ranger also carries in the very first time goes out
Firearm, fire extinguisher bomb are gone up a hill fire extinguishing.Fire extinguishing personnel side certain follow the second team when climbing up mountain top, big fire is by wind
Gesture spreads to surrounding and comes, and flare has leapt up more than 20 meter high.Just fire extinguisher bomb is thrown away in certain and colleague enforcement throwing immediately.When
He opens second piece of fire extinguisher bomb fuse and just to have thrown when throwing away, and fire extinguisher bomb smokily explodes suddenly in his right hand, flies
The fragment spattered hits his left hand simultaneously, and just certain is fainted at once on ground, is sent to six directions the People's Hospital immediately and robs
Rescue ".The reason causing fire extinguisher bomb to explode in forest ranger's hands is that the extension time of fire extinguisher bomb is unstable.
Summary of the invention
It is an object of the invention to provide a kind of dry chemical projectile ignition delayed ignition device and dry chemical projectile, solve
The problems such as fire extinguisher bomb of the having determined extension time is unstable.
The technical solution realizing the object of the invention is: a kind of dry chemical projectile ignition delayed ignition device, bag
Include and draw fire spring, shell, friction cap, inner shell, fuse cord, propagation squib, blast sound agent and rib；Shell by
The cylinder composition that two diameters are different, propagation squib is uncovered bottle, and blast sound agent is placed in propagation squib, and inner shell is
Uncovered hollow cylinder, interior shell side wall is arranged with the uncovered of rod radial air vent, inner shell uncovered end and propagation squib
End is connected, and inner shell bottom has two end face exhausting grooves, and two end face exhausting grooves are at inner shell bottom circle centre position cross
Intersecting, inner shell bottom circle centre position has the bottleneck of axial vent holes, inner shell and propagation squib, and to be placed in housing diameter big
Cylinder in, inner shell bottom is fixed on the cylinder end that housing diameter is big, the big cylinder other end of housing diameter with
Propagation squib is fixing to be connected；Fuse cord one end is positioned in inner shell, and the other end extends in propagation squib；Rib is second order
Step, four ribs bar symmetry is fixed on the inwall of inner shell, and its bottom surface is fixed on the bottom of inner shell；Friction cap is solid
Being scheduled on the step surface of symmetrically arranged four ribs bar, the sidewall of sidewall and step surface is fixed；Fire spring one end is drawn to pass
Friction cap is positioned at inner shell, and the other end passes the cylinder that housing diameter is little, is positioned at the outside of shell.
Above-mentioned rod radial air vent number is 2, is symmetricly set on interior shell side wall.
The medicated core of above-mentioned fuse cord is even density, has figurate medicated strip；Fuse cord is positioned at inner shell one end
End do not block rod radial air vent, the end of the other end is oblique section, and the fuse cord of propagation squib bottleneck twines
There is medical proof fabric.
Above-mentioned inner shell uncovered end is provided with a circle boss, and inner shell bottom is fixed on the cylinder end that housing diameter is big, interior
Shell uncovered end is fixed on outer casing inner wall by boss, there is space between outer wall and the inwall of shell of inner shell, empty
Gas flows in above-mentioned space.
The cylinder other end that above-mentioned housing diameter is big is connected by fluid sealant and propagation squib are fixing；The diameter of shell is little
Cylinder oral area sealing wax seal.
A kind of dry chemical projectile, including getting angry delayed ignition device, fire extinguisher bomb housing, powder extinguishing agent, insurance
Paper seals and draw ring, and ignition delayed ignition device and powder extinguishing agent are placed in fire-fighting bomb case body, fire extinguisher bomb housing
Oral area is provided with draw ring, and safety paper seals the opening of fire extinguisher bomb housing；Delayed ignition device of getting angry include drawing fire spring,
Shell, friction cap, inner shell, fuse cord, propagation squib, blast sound agent and rib；Shell is by two diameters not
Same cylinder is constituted, and propagation squib is uncovered bottle, and blast sound agent is placed in propagation squib, and inner shell is uncovered open circles
Cylinder, interior shell side wall is arranged with rod radial air vent, and inner shell uncovered end is connected with the uncovered end of propagation squib, interior
Having two end face exhausting grooves bottom shell, two end face exhausting grooves are at inner shell bottom circle centre position decussation, inner shell
Bottom circle centre position has the bottleneck of axial vent holes, inner shell and propagation squib and is placed in the cylinder that housing diameter is big,
Inner shell bottom is fixed on the cylinder end that housing diameter is big, and the cylinder other end that housing diameter is big is fixed with propagation squib
Connect；Fuse cord one end is positioned in inner shell, and the other end extends in propagation squib；Rib is second order step, four
Rib symmetry is fixed on the inwall of inner shell, and its bottom surface is fixed on the bottom of inner shell；Friction cap is fixed on symmetry and sets
The step surface of the four ribs bar put, the sidewall of sidewall and step surface is fixed；Draw fire spring one end through friction cap position
In inner shell, the other end is through the little cylinder of housing diameter, and is positioned at the outside of shell, draws fire spring to catch on draw ring.
Above-mentioned rod radial air vent number is 2, is symmetricly set on interior shell side wall.
The medicated core of above-mentioned fuse cord is even density, has figurate medicated strip；Fuse cord is positioned at inner shell one end
End do not block rod radial air vent, the end of the other end is oblique section, and the fuse cord of propagation squib bottleneck twines
There is medical proof fabric.
Above-mentioned inner shell uncovered end is with a circle boss, and inner shell bottom is fixed on the cylinder end that housing diameter is big, interior
Shell uncovered end is fixed on outer casing inner wall by boss, there is space between outer wall and the inwall of shell of inner shell, empty
Gas flows in above-mentioned space.
The cylinder other end that above-mentioned housing diameter is big is connected by fluid sealant and propagation squib are fixing；The diameter of shell is little
Cylinder oral area sealing wax seal；Delayed ignition device of getting angry seals gluing with the faying face of fire extinguisher bomb housing
Connect, seal.
The present invention compared with prior art, its remarkable advantage:
1) present invention has used for reference the mature technology of stick grenade ignition series, draws fire spring, friction cap to select
Standard product；Shell etc. overdo part select good moldability, heat-resist flame retardant plastics；Fireworks are selected in powder charge
The widely used blast sound agent of firecracker industry；The structure of grenade fuse cord and processing technology are optimized and
Improve, medicated core is changed into even density by loose medicated powder, is had figurate medicated strip, medicated core diameter by >=
2.5mm adjusts to >=3.8mm；Having carried out anti-spillage medicine, fire-spread preventing and moistureproof design, exhaust passage is designed with
Three tunnel Redundancy Design.Product reliable effect, time delay is stable, uses safety.
2) by the structure of grenade fuse cord and processing technology are optimized and are improved, cotton yarn is decreased
Consumption with fuse cord paper；Raw material and Loading Materials for Initiating Explosive Devices wide material sources, cheap, safety and environmental protection, meet and make
With requiring, manufacturer's cost can be reduced.
Accompanying drawing explanation
Fig. 1 is the dry chemical projectile ignition delayed ignition apparatus structure schematic diagram that the present invention relates to.
Fig. 2 is the dry chemical projectile ignition delayed ignition device inner casing configuration schematic diagram that the present invention relates to.
Fig. 3 is the dry chemical projectile structural representation that the present invention relates to.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In conjunction with Fig. 1 and Fig. 2, a kind of dry chemical projectile ignition delayed ignition device, including drawing fire spring 1, shell
3, friction cap 4, inner shell 5, fuse cord 6, propagation squib 9, blast sound agent 10 and rib 12.Shell 3
The cylinder different by two diameters forms, and propagation squib 9 is uncovered bottle, and blast sound agent 10 is placed in propagation squib 9
In, inner shell 5 is uncovered hollow cylinder, and inner shell 5 sidewall is offered two rod radial air vents 11, inner shell 5
Uncovered end is bonding with the uncovered end of propagation squib 9 painting fluid sealant 8, sealing, has two end faces rows bottom inner shell 5
Air drain 14, two end face exhausting groove 14 circle centre position decussations bottom inner shell 5, circle centre position bottom inner shell 5
Having axial vent holes 13, the bottleneck of inner shell 5 and propagation squib 9 is placed in the cylinder that shell 3 diameter is big,
Inner shell 5 uncovered end is provided with a circle boss, sticks at the big cylinder end of shell 3 diameter, inner shell 5 bottom inner shell 5
Uncovered end sticks at shell 3 inwall by boss, there is space between outer wall and the inwall of shell 3 of inner shell 5,
Air flows in above-mentioned space；The cylinder other end that shell 3 diameter is big passes through fluid sealant 8 and propagation squib 9
Fixing connection；Fuse cord 6 one end is positioned in inner shell 5, and the other end extends in propagation squib 9；Rib 12 is
Second order step, rib 12 is integrally manufactured with inner shell 5, and four ribs bar 12 is symmetrically distributed in the inwall of inner shell 5
Bottom；Friction cap 4 is fixed on the step surface of symmetrically arranged four ribs bar 12, sidewall and step surface
Sidewall is fixed；Drawing fire spring 1 one end to be positioned at inner shell 5 through friction cap 4, the other end passes shell 3 diameter
Little cylinder, being positioned at the outside of shell 3, the cylinder oral area sealing wax 2 that the diameter of shell 3 is little seals.
Above-mentioned fuse cord 6 structure is essentially identical with grenade fuse cord, is simply changed by loose medicated powder by medicated core
For even density, having figurate medicated strip, the combustion speed of the fuse cord after improvement is 100s/m～106s/m,
External diameter is identical with grenade fuse cord, medicated core diameter >=3.8mm, decreases cotton yarn and the consumption of fuse cord paper；
The outfan of fuse cord 6 contacts with blast sound agent 10, for ensureing igniting reliability, by the output of fuse cord 6
End-grain cutting becomes inclined-plane, to increase the contact area of medicated core and blast sound agent 10.
Fire spring 1, friction cap 4 is drawn to select standard product.
Conventional blast sound agent has two kinds: a kind of is the blast sound agent with potassium hyperchlorate as oxidant, by 46%
KClO4, 30%Al and 24%Sb2S3Composition；Another kind is black powder, by 70%～75%KNO3, 10%～
15%C and 15%～20%S composition.Can enter according to be equipped with fire extinguisher bomb specification and effectively fire-fighting area index
Row is selected.
Friction cap 4, fuse cord 6 can produce flame and high-temperature gas when burning, if inner shell 5, shell 3
Material thermal resistance, poor fire, inner shell 5, shell 3 will be caused to produce thermal deformation and even to burn, blocking row
Gas passage, causes fuse cord quick burning or detonation.Consider product and use requirement, processing technology and economic ring
Guaranteed request, shell 3, propagation squib 9 select anti-flaming polypropylene material, inner shell 5 to select anti-flaming ABS material,
Exhaust passage is designed with three tunnel Redundancy Design.
When fuse cord 6 burns can a large amount of aerogenesis, as exhaust passage block, will appear from quick burning or deflagration phenomenon, make
Become security incident.Exhaust passage is designed with three tunnel Redundancy Design, and concrete condition is as follows:
One tunnel: drawing in friction cap 4 forms residue after powder burning, and gas is in the centre bore of residue enters
The axial vent holes 13 of shell 5, the cylinder little from shell 3 diameter is discharged.
Two tunnels: 4 symmetrical ribs 12 are arranged at the bottom of inner shell 5, and friction cap 4 is placed on the platform of rib 12
On rank, gas enters inner shell from the space between inner shell 5 inwall, rib 12 both sides and friction cap 4 cylindrical
The axial vent holes 13 of 5, the cylinder little from shell 3 diameter is discharged.
Three tunnels: gas enters the space between inner shell 5, shell 3 from two rod radial air vents 11 of inner shell 5,
Discharge from the little cylinder of shell 3 diameter through the end face exhausting groove 14 of inner shell 5.
Spill medicine for preventing, alter fire phenomenon and limit the axial location of fuse cord 6, in propagation squib 9 bottleneck
Fuse cord 6 on be wound around medical proof fabric 7, be allowed to stopper propagation squib 9 medicine containing opening.
It is coated with between shell 3 with propagation squib 9 that fluid sealant 8 is bonding, seals, get angry delayed ignition device and fire extinguisher bomb
Housing 15 blocks the steam vent of shell 3 afterbody with sealing wax 2 after having attached together, prevent the moisture absorption.
In conjunction with Fig. 3, a kind of dry chemical projectile, including getting angry delayed ignition device, fire extinguisher bomb housing 15, dry powder
Extinguishing chemical 16, safety paper envelope 18 and draw ring 19.Ignition delayed ignition device and powder extinguishing agent 16 are placed in and go out
In fire body 15, fire extinguisher bomb housing 15 oral area is provided with draw ring 19, and safety paper envelope 18 seals fire extinguisher bomb housing
The opening of 15；Delayed ignition device of getting angry includes drawing fire spring 1, shell 3, friction cap 4, inner shell 5, leading
Fire rope 6, propagation squib 9, blast sound agent 10 and rib 12；Shell 3 is made up of the cylinder that two diameters are different,
Propagation squib 9 is uncovered bottle, and blast sound agent 10 is placed in propagation squib 9, and inner shell 5 is uncovered hollow cylinder,
Two rod radial air vents 11 are offered, the uncovered end phase of inner shell 5 uncovered end and propagation squib 9 on inner shell 5 sidewall
Even, two end face exhausting grooves 14, two end face exhausting groove 14 centers of circle bottom inner shell 5 are had bottom inner shell 5
Place's decussation, bottom inner shell 5, circle centre position has axial vent holes 13, inner shell 5 and the bottleneck of propagation squib 9
Being placed in the cylinder that shell 3 diameter is big, inner shell 5 uncovered end is provided with a circle boss, sticks outside bottom inner shell 5
The cylinder end that shell 3 diameter is big, inner shell 5 uncovered end is fixed on shell 3 inwall by boss, outside inner shell 5
There is space between the inwall of wall and shell 3, air flows in above-mentioned space.The cylinder that shell 3 diameter is big
The other end is connected by fluid sealant 8 is fixing with propagation squib 9；Fuse cord 6 one end is positioned in inner shell 5, the other end
Extend in propagation squib 9；Rib 12 is second order step, and four ribs bar 12 symmetry sticks the inwall at inner shell 5,
Its bottom surface sticks the bottom at inner shell 5；Friction cap 4 is fixed on the step surface of symmetrically arranged four ribs bar 12,
The sidewall of sidewall and step surface is fixed；Fire spring 1 one end is drawn to be positioned at inner shell 5, the other end through friction cap 4
Through the little cylinder of shell 3 diameter, the outside that is positioned at shell 3, fire spring 1 is drawn to catch on draw ring 19；Shell 3
Afterbody sealing wax 2 seal.Safety paper envelope 18 will be drawn fire spring 1 to catch on draw ring 19 and be sealed.
Above-mentioned fuse cord 6 structure is essentially identical with grenade fuse cord, is simply changed by loose medicated powder by medicated core
For even density, having figurate medicated strip, the combustion speed of the fuse cord after improvement is 100s/m～106s/m,
External diameter is identical with grenade fuse cord, medicated core diameter >=3.8mm, decreases cotton yarn and the consumption of fuse cord paper；
The outfan of fuse cord 6 contacts with blast sound agent 10, for ensureing igniting reliability, by the output of fuse cord 6
End-grain cutting becomes inclined-plane, to increase the contact area of medicated core and blast sound agent.
Fire spring 1, friction cap 4 is drawn to select standard product.
Conventional blast sound agent has two kinds: a kind of is the blast sound agent with potassium hyperchlorate as oxidant, by 46%
KClO4, 30%Al and 24%Sb2S3Composition；Another kind is black powder, by 70%～75%KNO3, 10%～
15%C and 15%～20%S composition.Can enter according to be equipped with fire extinguisher bomb specification and effectively fire-fighting area index
Row is selected.
Tear the safety paper envelope 18 of dry chemical projectile, catch on draw ring 19, while fire extinguisher bomb of throwing out, will draw
Fire spring 1 is extracted, and sealing wax 2 is peeled off with shell 3, draws the rough surface on fire spring 1 spring coil and friction cap 4
Draw gunpowder phase mutual friction produce flame ignition fuse cord 6, fuse cord 6 sustained combustion 5s～7s, outfan spray
Go out flame and ignite blast sound agent 10, blow propagation squib 9 and fire extinguisher bomb housing 15, powder extinguishing agent 16 is disperseed
Go out.
Spill medicine for preventing, alter fire phenomenon and limit the axial location of fuse cord 6, in propagation squib 9 bottleneck
Fuse cord 6 on be tied with medical proof fabric 7, be allowed to stopper propagation squib 9 medicine containing opening.
, sealing bonding with fluid sealant 17 between ignition delayed ignition device and fire extinguisher bomb housing 15.
The part choosings that overdo such as dry chemical projectile the ignition shell 3 of delayed ignition device, the inner shell 5 that the present invention relates to
With good moldability, heat-resist flame retardant plastics, grenade fuse cord is optimized and improves, by medicated core
Changed into even density by loose medicated powder, had figurate medicated strip, decrease cotton yarn and the use of fuse cord paper
Amount, suitably increases medicated core diameter；Having carried out anti-spillage medicine, fire-spread preventing and moistureproof design, exhaust passage design is adopted
By three tunnel Redundancy Design.Product reliable effect, time delay is stable, uses safety；Raw material and Loading Materials for Initiating Explosive Devices source
Extensively, cheap, safety and environmental protection, meet and use requirement, manufacturer's cost can be reduced.
The dry chemical projectile sealed damp-proof that the present invention relates to, time delay is stable, and extinguishing effect is preferable；Its advantages of nontoxic raw materials,
Tasteless, environmental sound, during effect to certain distance outside object do not result in damage, can make at short notice
The initial fire that happens suddenly is effectively controlled, it is adaptable to forest zone, factories and miness, family, the fire-fighting of hotels and other places.
Claims (6)
1. a dry chemical projectile ignition delayed ignition device, it is characterised in that: include drawing fire spring (1), shell
(3), friction cap (4), inner shell (5), fuse cord (6), propagation squib (9), blast sound agent (10) and rib (12)；
Shell (3) is made up of the cylinder that two diameters are different, and propagation squib (9) is uncovered bottle, and blast sound agent (10) is placed in expansion
In booster (9), inner shell (5) is uncovered hollow cylinder, and inner shell (5) sidewall is arranged with rod radial air vent (11),
Inner shell (5) uncovered end is connected with the uncovered end of propagation squib (9), and inner shell (5) bottom has two end face exhausting grooves (14),
Two end face exhausting grooves (14) have axially at inner shell (5) bottom circle centre position decussation, inner shell (5) bottom circle centre position
Steam vent (13), the bottleneck of inner shell (5) and propagation squib (9) is placed in the cylinder that shell (3) diameter is big, inner shell (5)
Bottom is fixed on the cylinder end that shell (3) diameter is big, the big cylinder other end of shell (3) diameter and propagation squib (9)
Fixing connection；Fuse cord (6) one end is positioned in inner shell (5), and the other end extends in propagation squib (9)；Rib (12)
For second order step, four ribs bar (12) symmetry is fixed on the inwall of inner shell (5), and its bottom surface is fixed on the end of inner shell (5)
Portion；Friction cap (4) is fixed on the sidewall of the step surface of symmetrically arranged four ribs bar (12), sidewall and step surface
Fixing；Drawing fire spring (1) one end to be positioned at inner shell (5) through friction cap (4), the other end is little through shell (3) diameter
Cylinder, be positioned at the outside of shell (3)；
Above-mentioned rod radial air vent (11) number is 2, is symmetricly set on inner shell (5) sidewall；
The medicated core of above-mentioned fuse cord (6) is even density, has figurate medicated strip；Fuse cord is positioned at inner shell (5)
Rod radial air vent (11) is not blocked in the end of one end, and the end of the other end is oblique section, propagation squib (9) bottleneck
Medical proof fabric (7) it is tied with on fuse cord (6).
Dry chemical projectile the most according to claim 1 ignition delayed ignition device, it is characterised in that on:
Stating inner shell (5) uncovered end and be provided with a circle boss, inner shell (5) bottom is fixed on the cylinder end that shell (3) diameter is big,
Inner shell (5) uncovered end is fixed on shell (3) inwall by boss, between outer wall and the inwall of shell (3) of inner shell (5)
There is space, air flows in above-mentioned space.
Dry chemical projectile the most according to claim 1 ignition delayed ignition device, it is characterised in that on:
State the big cylinder other end of shell (3) diameter to be connected by fluid sealant (8) and propagation squib (9) are fixing；Shell (3) straight
Cylinder oral area sealing wax (2) sealing that footpath is little.
4. a dry chemical projectile, it is characterised in that: include get angry delayed ignition device, fire extinguisher bomb housing (15),
Powder extinguishing agent (16), safety paper envelope (18) and draw ring (19), ignition delayed ignition device and powder extinguishing agent (16)
Being placed in fire extinguisher bomb housing (15), fire extinguisher bomb housing (15) oral area is provided with draw ring (19), and safety paper envelope (18) seals
The opening of fire extinguisher bomb housing (15)；Delayed ignition device of getting angry include drawing fire spring (1), shell (3), friction cap (4),
Inner shell (5), fuse cord (6), propagation squib (9), blast sound agent (10) and rib (12)；Shell (3) is by two diameters
Different cylinders is constituted, and propagation squib (9) is uncovered bottle, and blast sound agent (10) is placed in propagation squib (9), inner shell (5)
For uncovered hollow cylinder, inner shell (5) sidewall is arranged with rod radial air vent (11), inner shell (5) uncovered end and expansion
The uncovered end of booster (9) is connected, and inner shell (5) bottom has two end face exhausting grooves (14), two end face exhausting grooves (14)
At inner shell (5) bottom circle centre position decussation, inner shell (5) bottom circle centre position has axial vent holes (13), inner shell (5)
Being placed in the cylinder that shell (3) diameter is big with the bottleneck of propagation squib (9), it is straight that inner shell (5) bottom is fixed on shell (3)
The cylinder end that footpath is big, the cylinder other end that shell (3) diameter is big is fixed with propagation squib (9) and is connected；Fuse cord (6)
One end is positioned in inner shell (5), and the other end extends in propagation squib (9)；Rib (12) is second order step, four ribs bar
(12) symmetry is fixed on the inwall of inner shell (5), and its bottom surface is fixed on the bottom of inner shell (5)；Friction cap (4) is fixed
At the step surface of symmetrically arranged four ribs bar (12), the sidewall of sidewall and step surface is fixed；Draw fire spring (1) one end
Being positioned at inner shell (5) through friction cap (4), the other end passes the cylinder that shell (3) diameter is little, and is positioned at shell
(3) outside, draws fire spring (1) to catch on draw ring (19)；
Above-mentioned rod radial air vent (11) number is 2, is symmetricly set on inner shell (5) sidewall；
The medicated core of above-mentioned fuse cord (6) is even density, has figurate medicated strip；Fuse cord is positioned at inner shell (5)
Rod radial air vent (11) is not blocked in the end of one end, and the end of the other end is oblique section, propagation squib (9) bottleneck
Medical proof fabric (7) it is tied with on fuse cord (6).
Dry chemical projectile the most according to claim 4, it is characterised in that: above-mentioned inner shell (5) uncovered end band
Having a circle boss, inner shell (5) bottom to be fixed on the cylinder end that shell (3) diameter is big, inner shell (5) uncovered end passes through
Boss is fixed on shell (3) inwall, there is space between outer wall and the inwall of shell (3) of inner shell (5), and air exists
Flow in above-mentioned space.
Dry chemical projectile the most according to claim 4, it is characterised in that: above-mentioned shell (3) diameter is big
The cylinder other end is connected by fluid sealant (8) and propagation squib (9) are fixing；The cylinder oral area that the diameter of shell (3) is little is used
Sealing wax (2) seals；Get angry delayed ignition device bonding with the faying face fluid sealant (17) of fire extinguisher bomb housing (15),
Seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386904.2A CN105333774B (en) | 2014-08-07 | 2014-08-07 | Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386904.2A CN105333774B (en) | 2014-08-07 | 2014-08-07 | Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105333774A CN105333774A (en) | 2016-02-17 |
| CN105333774B true CN105333774B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410386904.2A Expired - Fee Related CN105333774B (en) | 2014-08-07 | 2014-08-07 | Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet |
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| CN (1) | CN105333774B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107320880A (en) * | 2017-07-17 | 2017-11-07 | 浏阳祥隆泉韵安防科技有限公司 | Throwing type fire extinguisher bomb and preparation method |
| CN110057251A (en) * | 2019-05-14 | 2019-07-26 | 曾绍文 | A kind of vehicular fire extinguisher bomb being readily transported |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964469A (en) * | 1988-05-18 | 1990-10-23 | Smith Wayne D | Device for broadcasting dry material by explosive force |
| CN2142739Y (en) * | 1992-12-19 | 1993-09-29 | 张粘年 | Suction-disk type dry-powder fire extinguishing bomb |
| GB2275189B (en) * | 1993-02-22 | 1996-11-13 | Ma Ming Xing | Extinguisher and its launching device |
| CN2709920Y (en) * | 2004-06-17 | 2005-07-13 | 齐齐哈尔雄鹰警用器材有限公司 | Dropping tear shell |
| CN101507866A (en) * | 2008-02-13 | 2009-08-19 | 王鼎华 | Hand casting type fire extinguisher |
| CN204027459U (en) * | 2014-08-07 | 2014-12-17 | 安徽红星机电科技股份有限公司 | A kind of dry chemical projectile ignition delayed ignition device and dry chemical projectile |
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2014
- 2014-08-07 CN CN201410386904.2A patent/CN105333774B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN105333774A (en) | 2016-02-17 |
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Denomination of invention: Ignition delay detonation device for dry powder fire extinguishing bullet and dry powder fire extinguishing bullet Effective date of registration: 20180629 Granted publication date: 20170111 Pledgee: Merchants Bank Hefei Ningguo Road Branch Pledgor: ANHUI HONGXING ELECTROMECHANICAL SCIENCE & TECHNOLOGY CO., LTD. Registration number: 2018340000269 |
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