CN110749243B - Safety cutting device for lead wire - Google Patents
Safety cutting device for lead wire Download PDFInfo
- Publication number
- CN110749243B CN110749243B CN201911055677.4A CN201911055677A CN110749243B CN 110749243 B CN110749243 B CN 110749243B CN 201911055677 A CN201911055677 A CN 201911055677A CN 110749243 B CN110749243 B CN 110749243B
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- Prior art keywords
- wire
- lead
- lead wire
- inflammable
- component
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/30—Manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a safety cutting device for a lead, which comprises a lead ignition trigger mechanism and a lead cutting mechanism, wherein the ignition trigger assembly is arranged to burn out inflammable pull wires by utilizing fires on ignition lead wires to trigger the lead cutting mechanism to cut off the lead, so that the reaction speed is relatively high, meanwhile, if the ignition trigger assembly fails, the ignition trigger assembly can be observed in time, and meanwhile, when the ignition trigger assembly is maintained, the ignition trigger assembly does not relate to the structure in the electronic aspect, thereby being convenient for the maintenance of staff.
Description
Technical Field
The invention relates to the field of firework tray apparatuses, in particular to a safety cutting device for a lead wire during firework paper tube tray.
Background
The firework paper tube is required to be inserted and guided when being assembled, thus, the lead wire on the lead wire disc is required to be led into the lead inserting mechanism of the firework assembly disc device and is provided for the lead inserting mechanism, friction can be generated between the lead wire and a part due to the complex structure of the lead inserting mechanism in the process of assembling the firework paper tube assembly disc, the lead wire can be ignited in long-time work, serious safety accidents can be generated when a spark enters the lead wire disc, and a set of lead wire cutting mechanism is required to be added on the firework assembly disc device to ensure the safety of the lead wire so as to prevent the occurrence of accidents;
the patent number is: 201620684599A, X, the patent name is a safety protection device of firework production equipment related to the lead, it discloses to set up the firewall between lead coil and firework production equipment, the firewall sets up the tunnel that the lead passes through, cut the lead organization on the tunnel; a temperature probe and/or a smoke sensor corresponding to the lead wire are arranged between the firewall and the firework production equipment; however, the above patent has relatively large drawbacks: 1. the inductor arranged on each lead is only an electronic inductor, and the lead breaking mechanism is not used for a long time and is only used under the condition that the lead is ignited, and because the lead breaking mechanism is not used for a long time, a worker cannot judge whether the inductor is damaged or whether the inductor can sense that the lead is ignited or not through naked eyes, so that safety accidents are easily generated under the emergency condition that the lead is ignited; 2. when cutting, the cutting device is used for a long time, and the cutting device is used for cutting the lead through the swing of the blade, so that the rotationally matched parts are blocked after being not used for a period of time, and safety accidents are easy to occur due to the blocking in emergency;
meanwhile, the cutting and guiding process has some problems, friction is generated between blade grooves during cutting and guiding, so that the blades can generate heat, and the lead can be ignited when the blades are overheated, so that safety accidents can be generated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention relates to a safety cutting device for a lead, which is used for realizing the ignition and triggering of the device for cutting the lead in a mechanical triggering mode, so that the lead can be prevented from being ignited and not detected, and meanwhile, in the mechanical triggering mode, a worker can observe whether a fault occurs or not through naked eyes, and meanwhile, the cost is lower, and the maintenance is convenient; meanwhile, the blade is not easy to be blocked when cutting the lead, and the blade can not generate heating when cutting the lead.
To achieve the above object, the present invention provides: the utility model provides a safe cutting device of lead wire, includes lead wire ignition trigger mechanism and lead wire cutting mechanism, and wherein the lead wire ignition trigger mechanism sets up between group dish machine translation plug lead mechanism and lead wire dish, and the lead wire ignition trigger mechanism is for igniting the trigger component, and the lead wire cutting mechanism is located the lead wire and ignites between trigger mechanism and the lead wire dish, and the lead wire ignites the trigger mechanism through burning trigger lead wire, ignites trigger component and lead wire cutting mechanism lug connection, ignites the trigger component and makes lead wire cutting mechanism cut off the lead wire.
Preferably, the ignition trigger assembly comprises a fixed plate, inflammable stay wires, stay wire fixing assemblies and a connecting rope, a plurality of lead wire holes for the lead wires to pass through are formed in the fixed plate, stay wire fixing assemblies are arranged around each lead wire hole, the same inflammable stay wire is wound on the plurality of stay wire fixing assemblies, when the lead wire holes pass through the lead wires, the lead wires can ignite the inflammable stay wires, the connecting rope is arranged on the inflammable stay wires and connected with the inflammable stay wires, and the other end of the connecting rope is connected with a lead wire cutting mechanism.
Preferably, the stay wire fixing component is a fixing column, the two sides of the lead wire hole are provided with fixing columns, and the inflammable stay wire is wound on the fixing columns.
Preferably, the stay wire fixing component is a winding block with a fire focusing hole in the middle, the lead wire penetrates through the fire focusing hole, two through holes are formed in the outer wall of the winding block, the through holes penetrate through the outer wall of the winding block and are communicated with the fire focusing hole, a flammable stay wire penetrates through the through holes, and a flame guide hole is formed in the outer wall of the winding block between the two through holes and is communicated with the fire focusing hole.
Preferably, the lead cutting mechanism comprises a fixed component, a sliding component and an elastic component, wherein the fixed component is fixed on the disc assembling instrument, a guide rail is fixed on the fixed component, the sliding component is embedded in the guide rail, the sliding component is connected with the rope, a cutter seat and a blade are respectively arranged on the fixed component and the sliding component, a cutter groove cut by the blade is formed in the cutter seat, a guide hole for the lead to pass through is formed in the cutter seat, and when the blade is immersed in the cutter groove, the blade cuts off the lead; a plurality of groups of elastic components are arranged between the fixed component and the sliding component, and two sides of the sliding component are respectively arranged on the plurality of groups of elastic components.
Preferably, a gap exists between the insert and the pocket inner wall of the insert seat.
Preferably, a flame-retardant pipe is sleeved on each lead wire and is communicated with the guide hole of the tool apron.
Compared with the prior art, the invention has the advantages that: 1. the ignition trigger assembly is arranged, the inflammable pull wire is blown by utilizing the fire on the ignition lead wire to trigger the lead wire cutting mechanism to cut off the lead wire, so that the reaction speed is relatively high, the ignition trigger assembly can be observed in time if faults occur, and meanwhile, the structure in the aspect of electronics is not involved in maintenance, so that the maintenance of workers is facilitated; 2. the set stay wire fixing component is convenient for the lead wire to blow the inflammable stay wire, so that the lead wire cutting mechanism is ensured to trigger in time and cut off the lead wire; 3. the blade and the cutter holder are arranged in a clearance, so that the blade is not contacted with the cutter holder when the blade cuts and guides, friction heating is not generated, and the lead is not ignited by the heating of the blade; 4. the flame-retardant pipe can reduce the burning speed of the lead, thus being convenient for manually cutting the lead.
Drawings
Fig. 1 is a top view of a fixing assembly of the present invention as a fixing post.
Fig. 2 is a left side view of the fixing assembly of the present invention as a fixing post.
Fig. 3 is a front view of the fixing assembly of the present invention as a fixing post.
Fig. 4 is a perspective view of the fixing assembly of the present invention as a fixing post.
Fig. 5 is a left side view of the cable fixing assembly of the present invention as a fixing post.
Fig. 6 is a perspective view of the cable fixing assembly of the present invention as a fixing post.
Fig. 7 is a left side view of the wire cutoff mechanism of the present invention.
Fig. 8 is a front view of the wire cutting mechanism of the present invention.
Fig. 9 is an overall perspective view of the cable fixing assembly of the present invention as a winding block.
Fig. 10 is a perspective view of a plurality of winding blocks of the stay of the present invention.
Fig. 11 is a top view of a single winding post of the present invention.
FIG. 12 is a schematic view of the present invention with an air tap fixed on the tool holder.
The ignition trigger mechanism for the lead wires comprises 1, 1.1, a fixed plate, 1.2, a lead wire hole, 1.3, a stay wire fixing component, 1.4, a fixed column, 1.5, a winding block, 1.6, a fire focusing hole, 1.7, a flammable stay wire, 1.8, a through hole, 1.9, a flame guiding hole, 1.10, a connecting rope, 2, a lead wire cutting mechanism, 2.1, a fixing component, 2.2, a guide rail, 2.3, a sliding component, 2.4, a cutter holder, 2.5, a cutter slot, 2.6, a guide hole, 2.7, a cutter blade, 2.8, a flame retardant pipe, 2.9, an elastic component, 2.10 and an air tap.
Detailed Description
The invention will now be further elucidated with reference to the drawings.
As shown in fig. 1-12, a safety cut-off device for a lead wire includes a lead wire ignition trigger mechanism 1 and a lead wire cut-off mechanism 2, wherein the lead wire ignition trigger mechanism 1 is disposed between a translation lead inserting mechanism of a reel machine and a lead wire reel (the translation lead inserting mechanism of the reel machine and the lead wire reel are specifically described in the patent filed by the applicant in advance, and thus only the position of the lead wire ignition trigger mechanism 1 is described), the lead wire ignition trigger mechanism 1 is an ignition trigger component, the lead wire cut-off mechanism 2 is disposed between the lead wire ignition trigger mechanism 1 and the lead wire reel, the ignition trigger component is directly connected with the lead wire cut-off mechanism 2, the lead wire is inserted on the lead wire ignition trigger mechanism 1, whether the lead wire is ignited or not is checked by the lead wire ignition trigger mechanism 1, when the lead wire is ignited, the lead wire is cut off by the lead wire cut-off mechanism 2, and thus a safety accident caused by ignition of the lead wire in the lead wire reel is prevented.
Further, the ignition trigger assembly includes fixed plate 1.1, inflammable stay wire 1.7, stay wire fixed assembly 2.11.3 and connect rope 1.10, it has four lead wire holes 1.2 that supply the lead wire to pass and four lead wire holes 1.2 equidistant distribution on fixed plate 1.1 to open on fixed plate 1.1, be provided with stay wire fixed assembly 2.11.3 around every lead wire hole 1.2, around having same inflammable stay wire 1.7 on a plurality of stay wire fixed assembly 2.1, four lead wires contact with inflammable stay wire 1.7 respectively simultaneously, when the lead wire burns, the lead wire can burn inflammable stay wire 1.7 when lead wire hole 1.2 passes and have the lead wire, be provided with on inflammable stay wire 1.7 and connect rope 1.10 and connect rope 1.7 to be connected, the other one end of connecting rope 1.10 is connected with lead wire cutting mechanism 2, lead wire cutting mechanism 2 is through tensioning and is not cutting off the lead wire, it is difficult to drop wire to cut off on fixed plate 2.1 and is connected with the lead wire 1.7 through bearing frame, the one end is cut off at the lead wire 1.7 to the same, the lead wire is difficult to move about the lead wire 1.7 in this way, the one end is difficult to be connected with inflammable stay wire 1.7 when the lead wire is burnt, the lead wire is cut off, the lead wire is can be burnt, can fire the lead wire is provided with the inflammable stay wire 1.7, be connected on the lead wire 1.10, be connected with the inflammable stay wire 1.10 through the rope, and connect rope 1.10 is connected in this way, and connect rope is easy to the condition.
Further, guy wire fixed subassembly 2.11.3 is fixed column 1.4, be fixed with fixed column 1.4 respectively through the welded mode in the left and right both sides of lead hole 1.2, inflammable guy wire 1.7 winds on fixed column 1.4, inflammable guy wire 1.7 is the annular rope of end to end, inflammable guy wire 1.7 cover is on eight fixed columns 1.4, inflammable guy wire 1.7 winds into the annular on two fixed columns 1.4 of lead hole 1.2 simultaneously, lead upper end and lower extreme are inflammable guy wire 1.7, when the lead ignites, the lead will inflammable guy wire 1.7 burn out, connect rope 1.10 to hang at inflammable guy wire 1.7 simultaneously, when inflammable guy wire 1.7 is blown, connect rope 1.10 to lose the stress point, lead cutting mechanism 2 cuts off the lead like this.
Further, guy wire fixed subassembly 1.3 is for the middle wire winding piece 1.5 that opens there is firepower focus hole 1.6 and the lead wire passes firepower focus hole 1.6, it has two through-holes 1.8 and through-hole 1.8 to open on the outer wall at wire winding piece 1.5 top and firepower focus hole 1.6, it has inflammable guy wire 1.7 to pass in through-hole 1.8 (inflammable guy wire 1.7's end of a thread stretches into firepower focus hole 1.6 through one of them through-hole 1.8, then inflammable guy wire 1.7's end stretches out firepower focus hole 1.6 from another through-hole 1.8, so same lead wire will be a plurality of wire winding pieces 1.5 series connection, finally will inflammable guy wire 1.7's head and tail beat the knot), it has flame guiding hole 1.9 and flame guiding hole 1.9 to open on the outer wall of wire winding piece 1.5 between two through-holes 1.8 and flame guiding hole 1.6, when the lead wire burns, because inflammable guy wire 1.5's top opens has flame guiding hole 1.9, according to the principle that one of through-holes 1.8 stretches into firepower focus hole 1.6, then inflammable guy wire 1.7 stretches out, the inflammable wire 1.7 is located from the fire wire 1.7 in time, can's sense that the fire wire is not cut off the fire wire is in time, and the fire wire 1.1 is so that the fire wire is difficult to be blown out, and the fire wire 1.1 is located in time, and the fire wire 1 is located in time point, and the response and the fire wire is so the fire wire is difficult to be located in time.
Further, the lead cutting mechanism 2 comprises a fixing component 2.1, a sliding component 2.3 and an elastic component 2.9, wherein the fixing component 2.1 is fixed on a tray assembly (the fixing component 2.1 is a flat plate, the flat plate is fixed on the firework tray assembly in a bolt fastening way), a guide rail 2.2 which is arranged up and down is fixed on the fixing component 2.1 in a bolt fastening way, the sliding component 2.3 is embedded in the guide rail 2.2, thus the sliding component 2.3 moves up and down along the guide rail 2.2 (a chute matched with the guide rail 2.2 is fixed on the sliding component 2.3 in a welding way and is arranged on the guide rail 2.2), the sliding component 2.3 is connected with a connecting rope 1.10 (a pulley is fixed on the top of the fixing component 2.1 through a bearing seat and a bearing, the rope connecting device comprises a pulley, a rope connecting component 1.10, a sliding component 2.3, a cutter seat 2.4, a cutter blade 2.7 and a cutter blade 2.4, wherein the right end of the wire is tied on the sliding component 2.3, the sliding component 2.3 is a blocky plate material, the cutter seat 2.4 and the cutter blade 2.7 are respectively arranged on the fixed component 2.1 and the sliding component 2.3, the cutter seat 2.4 is fixed on the left side surface of the fixed component 2.1 in a bolt fastening manner, the cutter blade 2.7 is fixed on the left side surface of the sliding component 2.3 through bolts, the cutter blade 2.5 is longitudinally arranged on the cutter seat 2.4, the cutter blade 2.7 is cut into the cutter blade 2.5 when the sliding component 2.3 descends, the cutter blade 2.7 is cut into the cutter blade 2.5, the guide hole 2.6 is transversely arranged, the height of the guide hole 2.6 is higher than the bottom of the cutter blade 2.5, and when the cutter blade 2.7 is immersed into the cutter blade 2.5; two groups of elastic components 2.9 are arranged between the fixed component 2.1 and the sliding component 2.3, the two groups of elastic components 2.9 are respectively arranged on the front side and the rear side of the sliding component 2.3, and the elastic components 2.9 are tension springs; when the inflammable stay wire 1.7 is blown by the lead wire, when the inflammable stay wire 1.7 is blown, the left end of the connecting rope 1.10 loses a stress point, the pull rope moves to the right under the action of the elastic component 2.9, so that the blade 2.7 cuts into the knife slot 2.5, the lead wire of the guide hole 2.6 is cut off, and when the inflammable stay wire is reinstalled, a new inflammable stay wire 1.7 is sleeved, the sliding component 2.3 is pulled to ascend, and meanwhile, the hook of the connecting rope 1.10 is hung on the inflammable stay wire 1.7; meanwhile, the air tap 2.10 is fixed on the right side wall of the tool apron 2.4 in a bolt fastening mode, the air tap 2.10 penetrates through the wall and stretches into the tool groove 2.5, an air outlet of the air tap 2.10 is communicated with the inside of the tool groove 2.5, when a lead is cut off, gunpowder in the lead falls into the tool groove 2.5, the gunpowder in the tool groove 2.5 is blown away through the air tap 2.5, and therefore ignition of the gunpowder in the tool groove 2.5 by the lead can be prevented, and ignition of the lead on the right side of the blade 2.7 by the ignited gunpowder can be prevented.
Further, a gap exists between the blade 2.7 and the inner wall of the cutter groove 2.5 of the cutter seat 2.4, and meanwhile, the edge of the blade 2.7 is positioned in the middle (such as a utility knife), and a gap exists between the blade 2.7 and the cutter groove 2.5, so that when a lead is cut, friction is not generated between the blade 2.7 and the inner wall of the cutter groove 2.5, and high temperature cannot be generated when the blade 2.7 cuts the lead, so that safety accidents caused by ignition of the lead by the blade 2.7 with high temperature can be prevented, when the blade 2.7 cuts the lead, the edge of the blade 2.7 is contacted with the bottom of the cutter groove 2.5, and because the edge of the blade 2.7 is positioned in the middle and is sharp when the blade 2.7 cuts vertically, and the utility knife can cut the lead easily in the descending process of the blade 2.7.
Further, a flame-retardant pipe 2.8 is sleeved on each lead wire, the flame-retardant pipe 2.8 is communicated with the guide hole 2.6 of the tool apron 2.4, the flame-retardant pipe 2.8 is adhered to the fixing assembly 2.1 through glue, the lead wire passes through the flame-retardant pipe 2.8 in the process of putting the lead wire, the flame-retardant pipe 2.8 can reduce the combustion speed of the lead wire, and when the lead wire is cut off failure, the combustion speed of the lead wire in the flame-retardant pipe 2.8 is slower, so that a worker has time to extinguish the lead wire.
Claims (4)
1. The safe cutting device of the lead wire comprises a lead wire ignition trigger mechanism and a lead wire cutting mechanism, and is characterized in that the lead wire ignition trigger mechanism is arranged between a translation lead inserting mechanism of a disc assembling machine and a lead wire disc, the lead wire ignition trigger mechanism is an ignition trigger assembly, the lead wire cutting mechanism is positioned between the lead wire ignition trigger mechanism and the lead wire disc, the lead wire is used for triggering the lead wire ignition trigger mechanism through combustion, the ignition trigger assembly is directly connected with the lead wire cutting mechanism, and the ignition trigger assembly enables the lead wire cutting mechanism to cut off the lead wire; the ignition triggering component comprises a fixed plate, inflammable stay wires, stay wire fixing components and a connecting rope, wherein a plurality of lead wire holes for lead wires to pass through are formed in the fixed plate, stay wire fixing components are arranged around each lead wire hole, the same inflammable stay wire is wound on the plurality of stay wire fixing components, when the lead wire holes pass through the lead wires, the lead wires can ignite the inflammable stay wires, the connecting rope is arranged on the inflammable stay wires and connected with the inflammable stay wires, and the other end of the connecting rope is connected with a lead wire cutting mechanism; the wire fixing component is a fixing column, fixing columns are respectively fixed on the left side and the right side of the wire hole in a welding mode, the inflammable wire is wound on the fixing columns, the inflammable wire is an annular rope connected end to end, and the inflammable wire is sleeved on the eight fixing columns; the stay wire fixing component is a winding block with a fire focusing hole in the middle, a lead wire penetrates through the fire focusing hole, two through holes are formed in the outer wall of the winding block, the through holes penetrate through the outer wall of the winding block and are communicated with the fire focusing hole, a flammable stay wire penetrates through the through holes, a flame guide hole is formed in the outer wall of the winding block between the two through holes, and the flame guide hole is communicated with the fire focusing hole; the lead cutting mechanism comprises a fixing component, a sliding component and an elastic component, wherein the fixing component is fixed on the disc assembling instrument, a guide rail is fixed on the fixing component, the sliding component is embedded in the guide rail, the sliding component is connected with a rope, a cutter seat and a cutter blade are respectively arranged on the fixing component and the sliding component, a cutter groove cut by the cutter blade is formed in the cutter seat, a guide hole for a lead to pass through is formed in the cutter seat, and when the cutter blade is immersed in the cutter groove, the cutter blade cuts off the lead; a plurality of groups of elastic components are arranged between the fixed component and the sliding component, and the plurality of groups of elastic components are respectively arranged on two sides of the sliding component.
2. A safety cutting device for a wire according to claim 1, wherein a gap exists between the blade and the inner wall of the pocket of the holder.
3. The safety cutting device for the lead wires according to claim 2, wherein a flame retardant pipe is sleeved on each lead wire and is communicated with the guide hole of the tool holder.
4. A safety shut-off device for a wire according to claim 3, wherein the air tap is fixed to the holder and the air outlet of the air tap extends into the pocket through the pocket wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055677.4A CN110749243B (en) | 2019-10-31 | 2019-10-31 | Safety cutting device for lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055677.4A CN110749243B (en) | 2019-10-31 | 2019-10-31 | Safety cutting device for lead wire |
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| Publication Number | Publication Date |
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| CN110749243A CN110749243A (en) | 2020-02-04 |
| CN110749243B true CN110749243B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911055677.4A Active CN110749243B (en) | 2019-10-31 | 2019-10-31 | Safety cutting device for lead wire |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111442696A (en) * | 2020-04-30 | 2020-07-24 | 邓卫科 | Lead wire processing system and method |
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| JP3202374U (en) * | 2015-08-03 | 2016-02-04 | Ｄ−Ｊｋ株式会社 | Continuous launch fireworks lead wire joining parts |
| CN205825821U (en) * | 2016-06-30 | 2016-12-21 | 黄承亮 | The fireworks relating to lead-in wire produce the safety guard of equipment |
| CN207253616U (en) * | 2017-09-28 | 2018-04-20 | 刘彩文 | A kind of automatic spraying extinguisher |
| CN208287359U (en) * | 2018-02-28 | 2018-12-28 | 浏阳市榜山烟花制作有限公司 | A kind of lead safety guard of fireworks production |
| CN210664162U (en) * | 2019-10-31 | 2020-06-02 | 熊巍 | Safety cutting device for lead |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202903027U (en) * | 2012-11-30 | 2013-04-24 | 周甫国 | Lead plugging safety device |
| CN104422347A (en) * | 2013-09-10 | 2015-03-18 | 张勇 | Fuse safety device of fuse inserting machine |
| JP3202374U (en) * | 2015-08-03 | 2016-02-04 | Ｄ−Ｊｋ株式会社 | Continuous launch fireworks lead wire joining parts |
| CN205825821U (en) * | 2016-06-30 | 2016-12-21 | 黄承亮 | The fireworks relating to lead-in wire produce the safety guard of equipment |
| CN207253616U (en) * | 2017-09-28 | 2018-04-20 | 刘彩文 | A kind of automatic spraying extinguisher |
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| CN110749243A (en) | 2020-02-04 |
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