CN203683414U - Ignition device suitable for thermite ignition - Google Patents
Ignition device suitable for thermite ignition Download PDFInfo
- Publication number
- CN203683414U CN203683414U CN201420014285.XU CN201420014285U CN203683414U CN 203683414 U CN203683414 U CN 203683414U CN 201420014285 U CN201420014285 U CN 201420014285U CN 203683414 U CN203683414 U CN 203683414U
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- ignition
- main body
- ignitron
- element assembly
- portfire
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Abstract
The utility model discloses an ignition device suitable for thermite ignition. The ignition device comprises an igniter main body and an ignition tube positioned in the igniter main body, wherein the ignition tube comprises an ignition tube shell and an ignition powder positioned in the ignition tube; the ignition tube shell is a hollow tube, and a stepped hole is formed in one end of the hollow tube; the ignition powder is positioned on the stepped hole of the ignition tube shell; a gas sealing plug is arranged above the ignition powder; the igniter main body comprises an igniter main body shell and an ignition powder box positioned at the tail part of the igniter main body; an ignition tube chamber which has the same shape with that of the ignition tube shell is arranged in the igniter main body shell; the ignition tube chamber is communicated with the ignition powder box through a central tube; a top cover is arranged at the upper end of the igniter main body shell, and a bottom cover is arranged at the lower end of the igniter main body shell; the top cover is connected with an igniter head. The ignition device disclosed by the utility model has the characteristics of simple structure, good safety and strong ignition capability, can rapidly and mechanically realize the ignition operations of high-ignition-point pyrotechnics, and also can reliably ignite difficultly-ignited charging type pyrotechnic equipment with a relatively high ignition point.
Description
Technical field
The utility model relates to a kind of portfire, is specifically related to a kind of portfire that is applicable to term igniting.
Background technology
Make gunpowder or the firework medicament can trouble-free burning, just must make medicament surface reach certain temperature, and need in combustion chamber, set up certain pressure.Therefore, conventionally adopt certain portfire to make ignition operation more reliable, and there is better controllability and processing safety.
Portfire claims again ignition element assembly, is a kind of combination priming system, is generally used for the igniting to rocket propellant in rocket engine, also can be used for the igniting of special pyrotechnic equipment.According to the difference of purposes and service requirements, ignition element assembly can be divided into electric igniter and mechanical ignition tool etc. according to the form of its energy excitation, and in different ammunitions and equipment, its composition structure and action principle are also had nothing in common with each other.
For the pyrotechnic equipment of filling term, because term is difficult to the characteristic of lighting conventionally, (flare point is all higher than 800～1000 ℃, iron aluminium term flare point even reaches 1300 ℃), for guaranteeing pyrotechnic equipment reliable action, just must adopt the enough strong portfire of a kind of ignition ability, to guarantee lighting smoothly certain thickness term main charge, burning can maintain down by the high calorie of term self and high-temperature slag.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model proposes a kind of portfire of term igniting, be applicable to the ignition operation of the pyrotechnic equipment that loads term, the pyrotechnic equipment of the charge type that also can the higher difficulty of reliable ignition flare point ignites.
Technical scheme: for solving the problems of the technologies described above, a kind of portfire that is applicable to term igniting of the present utility model, comprise ignition element assembly main body and the ignitron that is positioned at ignition element assembly main body, described ignitron comprises ignitron shell and is positioned at the ignition powder of ignitron, ignitron shell is the open tube that one end is provided with stepped hole, ignition powder is positioned on ignitron shell stepped hole, ignition powder top is provided with the plug of holding one's breath, described ignition element assembly main body comprises ignition element assembly main body cover and is positioned at the igniter cartridge of ignition element assembly afterbody, in ignition element assembly main body cover, be provided with the ignitron chamber identical with ignitron shell profile, between ignitron chamber and igniter cartridge, be communicated with by pipe core, ignition element assembly main body cover upper end is provided with top cover, lower end is provided with bottom, top cover is connected with match board head, in the time that portfire is not used, ignitron and ignition element assembly main body are separated, stepped hole is provided with the first plastics Dampproof stopper, ignition element assembly pipe core is provided with the second plastics Dampproof stopper identical with pipe core profile, when use, it is indoor that ignitron is positioned at ignition element assembly main body ignitron.
As preferably, described ignition powder is black powder.
As preferably, described ignition powder and hold one's breath and be provided with black powder layer between plug.
As preferably, between described bottom and igniter cartridge, be provided with moistureproof paper washer.
As preferably, described in hold one's breath plug for circular cone shape, centre is provided with ventilating pit.
As preferably, described the second plastics Dampproof stopper is circular cone shape, and pipe core is also circular cone shape.
As preferably, described igniter cartridge adopts binding agent integral cast filling.
The effect of ignitron is to excite ignition element assembly to get angry by zero energy, thereby guarantees lead fire medicine box, makes its reliable action.Ignitron is stainless steel cylinder shape open tube, high 25mm, external diameter 9mm, internal diameter 6mm.Ignitron top is furnished with truncated cone that 2mm the is thick plug of holding one's breath, and its upper and lower diameter is respectively 4mm and 6mm, and the plug axis of holding one's breath has the payment to a porter hole of diameter 1mm.Ignitron bottom is provided with stepped hole, base thickness 1.5mm, and the circular production well of diameter 3mm is left at center.Ignition powder is housed in ignitron, adopts black powder as ignition powder, the thick black powder cake of one deck 8mm is pressed in bottom, can be according to concrete sparking mode filling 1# or 2# small-grain black powder layer on medicine cake.Ignitron is not in the time using, and the circular production well of bottom is furnished with the moistureproof patch of the first plastics of same size thickness, plays the effect of protection against the tide and sealing, the powder charge of point of fixity fire tube, can open and take off before use.
Ignitron preferably adopts electric match igniting in use, also can adopt the mode of safety fuse igniting.
The effect of ignition element assembly main body is that the Energy Efficient of ignitron is expanded, thereby guarantees the reliable action of portfire.The core of ignition element assembly main body is pipe core and igniter cartridge.Ignition element assembly main body is stainless steel cylinder, and top is columniform ignitron chamber, its high 25mm, and diameter 9mm, for assembling ignitron.Below, ignitron chamber is the truncated cone pipe core with convergency structure, upper entrance diameter 4mm, and lower part outlet diameter 3mm, can make combustion product gas produce certain booster action.Pipe core is furnished with the second plastics Dampproof stopper of same size, in the time storing transportation, is assemblied in pipe core, for moistureproof and sealing, fixing below priming charge, when use, should take out in advance.The bottom of ignition element assembly main body, is the cylindrical igniter cartridge being communicated with pipe core, high 15mm, and diameter 20mm, the previously prepared good high-energy igniter charge of the inner filling of igniter cartridge, preferably adopts binding agent integral cast filling.The effect of protection against the tide, airtight priming charge, with paraffin paper pad moisture sealed, is played in igniter cartridge bottom, and moistureproof paper washer needn't be taken off before use.
In addition, portfire also comprises top cover and bottom, all adopts the mode of screw thread to be connected with ignition element assembly main body.Top cover and bottom are measure-alike, are diameter 24mm, the stainless steel threaded cap of thick 2mm.Top cover is installed in the time that portfire is used, and its effect is point of fixity fire tube and electric match, and therefore axis place has the cylindrical payment to a porter hole of diameter 1mm.The effect of bottom is to fix, seal igniter cartridge, in the time storing transportation, should be tightened in ignition element assembly main body, when use, can take off.
Beneficial effect: the portfire that is applicable to term igniting of the present utility model, there is property simple in structure, easy to use, safe good, the feature that ignition ability is strong, realization that can fast reserve is high gets angry the ignition operation of powder composition of lighting a cigarette, the pyrotechnic equipment of the charge type that also can the higher difficulty of reliable ignition flare point ignites.
Accompanying drawing explanation
Fig. 1 is fractionation structural representation of the present utility model;
Fig. 2 is the packaging assembly schematic diagram of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As illustrated in fig. 1 and 2, the portfire that is applicable to term igniting of the present utility model, in the time not using at ordinary times, ignitron and ignition element assembly main body are separated, the stepped hole of ignitron is provided with the first plastics Dampproof stopper 6, and ignition element assembly main center pipe 9 is provided with the second plastics Dampproof stopper 7, takes out in use, ignition element assembly bottom part body is stamped bottom 12, when use, screws out.
Portfire of the present utility model, for the igniting that is difficult to the term type firework medicament of lighting a fire, can be used in the pyrotechnic equipment of this type of powder charge.In the time storing travel position, ignitron separates and deposits with portfire main body, guarantees its storing and transporting security.In working order time, ignitron is fitted in ignition element assembly main body, and need to arrange the body of igniting.This portfire can be supported the long-range igniting of the electric match of general type, also can support the mode of safety fuse igniting.
Below installation step:
Step 1: assembling ignitron
By 6 taking-ups of the first plastics Dampproof stopper of ignitron bottom, the top cover 1 of the portfire of outwarding winding main body, then the second plastics Dampproof stopper 7 in the pipe core of portfire body interior 9 is taken out, ignitron bottom is fitted into ignition element assembly body shell 13 inside down.
Step 2: the body of igniting is set
If use the mode of the long-range igniting of electric match, first the payment to a porter of electric match is filled in the hole at 2 centers through holding one's breath, attention is held one's breath and is filled in the medicine head that the less one side of 2 Rotary-table area is close to electric match, payment to a porter passes from the larger one side of area, again the payment to a porter of electric match is passed to the pore at portfire top cover 1 center from inside, tear the building paper film that the inner ignition powder 4 of ignitron and black powder layer 5 upper surface cover off, will set electric match and the top cover 1 of the plug 2 of holding one's breath is tightened on the top of portfire.
If use the mode of safety fuse igniting, tear the building paper film that the inner ignition powder 4 of ignitron and black powder layer 5 upper surface cover off, again by the one section of ignitron inside that the direct insertion of safety fuse has set having intercepted, safety fuse truncation, powder charge cross section contacts with ignitron powder charge, note forbidding rotary squeezing while inserting safety fuse, in order to avoid the ignition powder 44 powder charge accidental ignitions of ignitron inside.
Step 3: portfire is set
To set ignitron and the portfire of body of the igniting bottom 12 of outwarding winding, note not tearing off the building paper of ignition element assembly lower body part igniter cartridge 10 surface coverage, portfire bottom is arranged to term charge surface down, can enter and treat fired state.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. one kind is applicable to the portfire of term igniting, it is characterized in that: comprise ignition element assembly main body and the ignitron that is positioned at ignition element assembly main body, described ignitron comprises ignitron shell (3) and is positioned at the ignition powder (4) of ignitron, ignitron shell (3) is provided with the open tube of stepped hole for one end, ignition powder (4) is positioned on ignitron shell (3) stepped hole, ignition powder (4) top is provided with the plug (2) of holding one's breath, described ignition element assembly main body comprises ignition element assembly main body cover (13) and is positioned at the igniter cartridge (10) of ignition element assembly main body afterbody, in ignition element assembly main body cover (13), be provided with the ignitron chamber (8) identical with ignitron shell (3) profile, between ignitron chamber (8) and igniter cartridge (10), be communicated with by pipe core (9), ignition element assembly main body cover (13) upper end is provided with top cover (1), lower end is provided with bottom (12), top cover (1) is connected with match board head, in the time that portfire is not used, ignitron and ignition element assembly main body are separated, stepped hole is provided with the first plastics Dampproof stopper (6), ignition element assembly pipe core (9) is provided with the second plastics Dampproof stopper (7) identical with pipe core (9) profile, when use, ignitron is positioned at ignition element assembly main body ignitron chamber (8).
2. the portfire that is applicable to term igniting according to claim 1, is characterized in that: described ignition powder (4) and hold one's breath and be provided with black powder layer (5) between plug (2).
3. the portfire that is applicable to term igniting according to claim 1, is characterized in that: between described bottom (12) and igniter cartridge (10), be provided with moistureproof paper washer (11).
4. the portfire that is applicable to term igniting according to claim 1, is characterized in that: described in the plug (2) of holding one's breath be circular cone shape, centre is provided with ventilating pit.
5. the portfire that is applicable to term igniting according to claim 1, is characterized in that: described the second plastics Dampproof stopper (7) is circular cone shape, and pipe core (9) is also circular cone shape.
6. the portfire that is applicable to term igniting according to claim 1, is characterized in that: described igniter cartridge (10) adopts binding agent integral cast filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014285.XU CN203683414U (en) | 2014-01-09 | 2014-01-09 | Ignition device suitable for thermite ignition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014285.XU CN203683414U (en) | 2014-01-09 | 2014-01-09 | Ignition device suitable for thermite ignition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683414U true CN203683414U (en) | 2014-07-02 |
Family
ID=51005342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014285.XU Expired - Fee Related CN203683414U (en) | 2014-01-09 | 2014-01-09 | Ignition device suitable for thermite ignition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203683414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822210A (en) * | 2019-03-22 | 2019-05-31 | 施密特钢轨技术（昆山）有限公司 | A kind of aluminum weld safety ignitor and ignition method |
| CN112855384A (en) * | 2019-11-27 | 2021-05-28 | 西安航天动力研究所 | Light, high-power and rich particle gunpowder ignition device |
| CN113979821A (en) * | 2021-11-01 | 2022-01-28 | 中国船舶重工集团公司第七一八研究所 | High-reliability multistage ignition mode |
-
2014
- 2014-01-09 CN CN201420014285.XU patent/CN203683414U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822210A (en) * | 2019-03-22 | 2019-05-31 | 施密特钢轨技术（昆山）有限公司 | A kind of aluminum weld safety ignitor and ignition method |
| CN109822210B (en) * | 2019-03-22 | 2024-02-13 | 施密特钢轨技术（昆山）有限公司 | Thermite welding safety ignition device and ignition method |
| CN112855384A (en) * | 2019-11-27 | 2021-05-28 | 西安航天动力研究所 | Light, high-power and rich particle gunpowder ignition device |
| CN113979821A (en) * | 2021-11-01 | 2022-01-28 | 中国船舶重工集团公司第七一八研究所 | High-reliability multistage ignition mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20150109 |
|
| EXPY | Termination of patent right or utility model |