CN2574716Y - Ultrasonic speed aerosol dry powder automatic fire extinguisher - Google Patents
Ultrasonic speed aerosol dry powder automatic fire extinguisher Download PDFInfo
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- CN2574716Y CN2574716Y CN 02259335 CN02259335U CN2574716Y CN 2574716 Y CN2574716 Y CN 2574716Y CN 02259335 CN02259335 CN 02259335 CN 02259335 U CN02259335 U CN 02259335U CN 2574716 Y CN2574716 Y CN 2574716Y
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- cylindrical shell
- coupling seat
- time
- delay
- screw thread
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Abstract
The utility model relates to a dry powder fire extinguisher which is named as a throwing type dry powder fire extinguisher. The utility model solves the technical problem that when the existing hand held stored-pressure type dry powder fire extinguisher is used in closed space, operators are not safe. In order to solve the technical problem, the utility model adopts the following technical proposal that the throwing type fire extinguisher comprises an air bottle 1 and a barrel body, wherein, the barrel body is an oppositely open-type barrel body; the barrel body is provided with a delay cut-off device 34; the air bottle 1 is provided with a control device of the air bottle; the control device of the air bottle is communicated with the barrel body through the delay device. The utility model is mainly suitable for extinguishing the starting fires of combustible solids, combustible liquids, live electrical equipment, etc. in closed space; as long as operators throw the utility model into the closed space, the fires can be extinguished; the operators do not need to enter the closed space and the operators can not be in danger.
Description
Technical field:
The utility model relates to a kind of dry powder extinguisher.
Background technology:
The extinguishing chemical kind difference that dry powder extinguisher fills according to its inside, can be used for putting out a fire to save life and property multiple goods and materials from the beginning of fire, for example: the inflammable solid material of putting out a fire to save life and property, flammable liquid material, charging equipment etc. from the beginning of fire, be widely used in places such as oil field, oil depot, factory, shop, switchgear house, be to prevent that fire from the important fire-fighting equipment that assures the safety for life and property of the people taking place.Use portable stored-pressure type dry powder extinguisher comparatively generally at present, it mainly is made up of cylindrical shell, bottle valve, bottle valve pressure handle, jet hose etc.During use, fire extinguisher is carried to fire-extinguishing location, pulled out safety pin, the jet hose of holding with a firm grip is aimed at burning things which may cause a fire disaster, depresses the bottle valve pressure handle, and extinguishing chemical promptly sprays.Because this fire extinguisher in use, operating personnel must be near burning things which may cause a fire disaster, and are when using in the space of some sealings, not too safe to operating personnel.
Summary of the invention:
The technical problems to be solved in the utility model is, and is when existing portable stored-pressure type dry powder extinguisher uses in the space of sealing, dangerous to the operator.For solving this technical problem, the utility model by the following technical solutions: throwing type fire annihilator comprises gas cylinder 1 and cylindrical shell; Its special character is: cylindrical shell is the opposite opened cylindrical shell, and it has time-delay disconnecting apparatus 34; Gas cylinder 1 has the gas cylinder control device, and the gas cylinder control device is communicated with cylindrical shell by time-delay mechanism.
Gas cylinder 1 is used for storing high pressure gas, for example: carbon dioxide, nitrogen etc.Cylindrical shell is used for the splendid attire powder extinguishing agent.Cylindrical shell is divided into the two halves that are bonded together for the opposite opened cylindrical shell is meant cylindrical shell, when the pressure in the cylinder lumen during greater than certain value, will blow from joint, and powder extinguishing agent flies upward in the space.Time-delay disconnecting apparatus 34 is mainly used in control when the pressure in the cylinder lumen reaches certain value, and cylindrical shell is blown.The gases at high pressure that the gas cylinder control device is mainly used in the control gas cylinder 1 are emitted, and gases at high pressure are entered in the cylinder lumen.After the gases at high pressure in the gas cylinder 1 were emitted, time-delay mechanism progressed in the inner chamber of cylindrical shell this gas, reached the pressure that cylindrical shell is blown in the cylinder lumen through just making after the time-delay of an end time.The gas cylinder control device is communicated with cylindrical shell by time-delay mechanism, and the definiteness that differs of the connection here directly is communicated with, and also can pass through connections such as valve, sealing device, for example: be communicated with by sealing device, when the pressure of gas reached certain value, sealing device was opened, and at this moment just really was communicated with.
Gas cylinder control device of the present utility model comprises coupling seat 2, slide block 3, spring 4, locking pin 5, spring 6, pressure handle 7 and safety pin 8; One end of coupling seat 2 connects by screw thread and gas cylinder 1, and the other end connects by screw thread and cylindrical shell; Coupling seat 2 has endoporus 22, and slide block 3 and spring 4 are installed in the endoporus 22; One end of slide block 3 has pricker 9, an end in contact of the other end and spring 4, and pricker 9 is aimed at the diaphragm 10 of gas cylinder 1; The lock slots 12 that has air channel 11 and annular on the slide block 3; The lock hole 23 that one end of locking pin 5 passes on the coupling seat 2 inserts in the lock slots 12 of slide block 3, and the other end is a protruding end; One end of spring 6 contacts with coupling seat 2, and the other end contacts with the protruding end of locking pin 5; Pressure handle 7 connects by hinge and coupling seat 2, and safety pin 8 passes lock hole 43 on the pressure handle 7 and the lock hole 41 on the coupling seat 2; The inboard of pressure handle 7 is pressed on the protruding end of locking pin 5.
Have annular protrusion thing 15 on the end face of the end with pricker 9 of slide block 3 of the present utility model, have gas outlet 16 on the protrusion 15; Have spirality outgassing groove 17 on the tip portion of pricker 9, the part of needle point back has the cambered surface 18 that caves inward.
Time-delay mechanism of the present utility model comprises time-delay sheet 19 and air induction mast 20; Time-delay sheet 19 is installed in the endoporus 22 of coupling seat 2, an end in contact of its surface and spring 4, end in contact of another surface and air induction mast 20; Air induction mast 20 is positioned at cylindrical shell, and its end is connected with coupling seat 2 by screw thread, and the other end is by the client link of screw thread with time-delay disconnecting apparatus 34, and the other end of time-delay disconnecting apparatus 34 is installed on the cylindrical shell; Have pin hole 21 on the time-delay sheet 19, pin hole 21 is communicated with the endoporus 22 of coupling seat 2 with the inner chamber 24 of air induction mast 20; Have pin hole 25 on the air induction mast 20, pin hole 25 is communicated with the inner chamber 24 of air induction mast 20 with the inner chamber of cylindrical shell; Be set with sealing shroud 26 on the air induction mast 20, sealing shroud 26 is with pin hole 25 sealings.
Cylindrical shell of the present utility model comprises hemispherical cylindrical shell 27 and hemispherical cylindrical shell 28, seals by sealing device 29 between cylindrical shell 27 and the cylindrical shell 28; Have last bottleneck 30 on the cylindrical shell 27, coupling seat 2 is installed on the bottleneck 30 by screw thread; Have following bottleneck 31 on the cylindrical shell 28, the outer end of following bottleneck 31 is by nut 32 and sealing ring 33 sealings; The two ends of time-delay disconnecting apparatus 34 all have screw thread, and the centre has the less neck of diameter 35; One end of time-delay disconnecting apparatus 34 connects by screw thread and air induction mast 20, and the other end connects by screw thread and tension cover 36; Tension cover 36 has end plate 37, and tension cover 36 is enclosed within down in the endoporus of bottleneck 31, and end plate 37 and following bottleneck 31 interior steps contact.
Sealing device of the present utility model 29 is the rubber seal of " worker " font substantially for cross section, it has seal groove 38; Gas cylinder 1 outside is set with cylindrical shape handle 39, and handle 39 is installed on the coupling seat 2 by screw thread.
The utility model is because cylindrical shell adopts the opposite opened cylindrical shell, gas cylinder 1 is under the control of gas cylinder control device, opening gas cylinder 1 makes the gases at high pressure in the gas cylinder 1 progress in the inner chamber of cylindrical shell through time-delay mechanism, when the pressure in the inner chamber of cylindrical shell reaches the pressure that makes 34 disconnections of time-delay disconnecting apparatus, time-delay disconnecting apparatus 34 disconnects, cylindrical shell is blown from engaging out, and the powder extinguishing agent in the cylinder lumen flies upward in the space, plays the effect of fire extinguishing.Compare with existing portable stored-pressure type dry powder extinguisher, the utility model in use, the operator need be very not near from burning things which may cause a fire disaster, as long as after opening the gas cylinder control device it is thrown into the burning things which may cause a fire disaster place, after time-delay, cylindrical shell just can be blown automatically, and the powder extinguishing agent of dishing out is put out a fire.The utility model is specially adapted to putting out a fire to save life and property from the beginning of fire to the inflammable solid in the closed space, flammable liquid, charging equipment etc., the operator is as long as be thrown in closed the utility model just passable, do not need to enter in the closed space, can not cause danger the operator.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that A among Fig. 1 is to view;
Fig. 3 is the front view of coupling seat 2 among Fig. 1;
Fig. 4 is the right view of coupling seat 2 among Fig. 1;
Fig. 5 is the vertical view of coupling seat 2 among Fig. 1;
Fig. 6 is the front view of slide block 3 among Fig. 1;
Fig. 7 is the vertical view of slide block 3 among Fig. 1;
Fig. 8 is the B-B rotation profile among Fig. 6;
Fig. 9 is the front view of time-delay sheet 19 among Fig. 1;
Figure 10 is the front view of air induction mast 20 among Fig. 1;
Figure 11 is the front view of time-delay disconnecting apparatus 34 among Fig. 1;
Figure 12 is the front view of sealing device 29 among Fig. 1;
Figure 13 is the front view of tension cover 36 among Fig. 1;
Figure 14 is the left view of tension cover 36 among Fig. 1;
Figure 15 is the front view of pressure handle 7 among Fig. 1;
Figure 16 is the upward view of pressure handle 7 among Fig. 1.
The specific embodiment:
Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described in detail.
To shown in Figure 14, present embodiment is a kind of throwing type dry powder extinguisher as Fig. 1, and it comprises gas cylinder 1, cylindrical shell, time-delay disconnecting apparatus 34, gas cylinder control device, time-delay mechanism and handle 39.Be filled with high-pressure carbon dioxide gas in the gas cylinder 1, its gas outlet is by metallic membrane 10 sealings.Have external screw thread on the outer surface at the place, gas outlet of gas cylinder 1, this gas outlet is communicated with the inner chamber of cylindrical shell by gas cylinder control device and time-delay mechanism, fills powder extinguishing agent in the inner chamber of cylindrical shell 1.Cylindrical shell is the opposite opened cylindrical shell, and it comprises hemispherical cylindrical shell 27 and hemispherical cylindrical shell 28, seals by sealing device 29 between cylindrical shell 27 and the cylindrical shell 28.Sealing device 29 is a rubber seal, and its cross section is " worker " font substantially.The part that is arranged in cylinder lumen of sealing device 29, both sides respectively have three seal grooves 38.Be welded with bottleneck 30 on the cylindrical shell 27, have internal thread in the endoporus of last bottleneck 30.Be welded with down bottleneck 31 on the cylindrical shell 28, the endoporus of following bottleneck is step-like, has external screw thread on the outer surface of following bottleneck 31.Last bottleneck 30 is coaxial with following bottleneck 31, and this axis is by the centre of sphere of cylindrical shell, and vertical with the composition surface of cylindrical shell 28 with cylindrical shell 27.Time-delay mechanism comprises time-delay sheet 19 and air induction mast 20.Time-delay sheet 19 is circular sheet metal, and its circle centre position has a pin hole 21, and the diameter of pin hole 21 is 0.5mm.It is cylindric that air induction mast 20 is substantially, and it has inner chamber 24.One end opening of air induction mast 20, other end sealing, an end of opening has external screw thread, and an end of sealing has internal thread.Have two row's pin holes 25 on the air induction mast 20, each arranges 4 pin holes, and 4 pin holes evenly distribute on same circle, and the diameter of pin hole is 0.5mm.Pin hole 25 is communicated with the inner chamber 24 of air induction mast 20 with the inner chamber of cylindrical shell.In order to prevent that the powder extinguishing agent in the cylinder lumen from entering in the inner chamber 24 of air induction mast 20 by pin hole, be set with rubber sealing boot 26 on the air induction mast 20, sealing shroud 26 is with pin hole 25 sealings.The two ends of time-delay disconnecting apparatus 34 all have external screw thread, and the centre has the less neck of diameter 35.Handle 39 is cylindric, and its end has internal thread.The gas cylinder control device comprises coupling seat 2, slide block 3, spring 4, locking pin 5, spring 6, pressure handle 7 and safety pin 8.Coupling seat 2 has endoporus 22, all has external screw thread on the outer surface at its two ends, and the two ends of its endoporus 22 all have internal thread.The centre of coupling seat 2 has lock hole 23, the intersect vertical axis of the axis of lock hole 23 and endoporus 22.The outside of coupling seat 2 has pan 40 and lock hole 41.The endoporus of one end of coupling seat 2 connects by the gas outlet of screw thread and gas cylinder 1, and outer surface connects by screw thread and handle 39, and handle 39 is enclosed within the outside of gas cylinder 1.The endoporus of the other end of coupling seat 2 is connected by the openend of screw thread with air induction mast 20, and by 44 sealings of O RunddichtringO.Time-delay sheet 19 is installed in the endoporus 22 of coupling seat 2, is compressed by the step in the endoporus 22 of the end face of the openend of air induction mast 20 and coupling seat 2.Slide block 3 and spring 4 are installed in the endoporus 22 of coupling seat 2.One end of slide block 3 has pricker 9, and pricker 9 is aimed at the diaphragm 10 of gas cylinder 1, an end in contact of the other end and spring 4, and the other end of spring 4 contacts with time-delay sheet 19, and spring 4 adopts stage clip.Have annular protrusion thing 15 on the end face of the end with pricker 9 of slide block 3, have gas outlet 16 on the protrusion 15.Have spirality outgassing groove 17 on the tip portion of pricker 9, the part of needle point back has the cambered surface 18 that caves inward.Have two air channels 11 on slide block 3 outer surfaces, air channel 11 is parallel with the axis of slide block 3.Have the lock slots 12 of an annular on the outer surface at the middle part of slide block 3, the cross section of lock slots 12 is V-shaped.The lock hole 23 that one end of locking pin 5 passes on the coupling seat 2 inserts in the lock slots 12 of slide block 3, and the other end is a protruding end.One end of spring 6 contacts with coupling seat 2, and the other end contacts with the protruding end of locking pin 5.Spring 6 is a stage clip.Pressure handle 7 connects by hinge and coupling seat 2, and hinge passes pan 42 on the pressure handle 7 by hinge axis 13 and the pan 40 on the coupling seat 2 is formed.Safety pin 8 passes lock hole 43 on the pressure handle 7 and the lock hole 41 on the coupling seat 2.The inboard of pressure handle 7 is pressed on the protruding end of locking pin 5.Air induction mast 20 inserts in the cylindrical shell by last bottleneck 30, and the other end of coupling seat 2 connects by screw thread and last bottleneck 30, and by 14 sealings of O RunddichtringO.The blind end of air induction mast 20 is by the client link of screw thread with time-delay disconnecting apparatus 34, and the other end of time-delay disconnecting apparatus 34 connects by screw thread and tension cover 36.Tension cover 36 has end plate 37, and tension cover 36 is enclosed within down in the endoporus of bottleneck 31, and end plate 37 and following bottleneck 31 interior steps contact.Rotate end plate 37, tension cover 36 is by screw thread pulling time-delay disconnecting apparatus 34, and time-delay disconnecting apparatus 34 is gone up bottleneck 30, thereby cylindrical shell 27 and cylindrical shell 28 are compressed at sealing device 29 places by air induction mast 20, coupling seat 2 pullings.The outer end of following bottleneck 31 is by nut 32 and sealing ring 33 sealings.
During use, hold handle 39 and pressure handle 7, extract safety pin 8, then the utility model is thrown to burning things which may cause a fire disaster.Spring 6 ejects locking pin 5, and locking pin 5 leaves the lock slots 12 of slide block 3.Spring 4 promotes the direction motion of slide block 3 to gas cylinder 1, and the pricker 9 of slide block 3 punctures the metallic membrane 10 of gas cylinder 1.The needle point of pricker 9 is in the process of passing metallic membrane 10, and the high-pressure carbon dioxide gas in the gas cylinder 1 just begins by outgassing groove 17 ejections.After the needle point of pricker 9 passed metallic membrane 10, annular protrusion thing 15 contacted with the end face of the gas outlet of gas cylinder 1, slide block 3 stop motions.At this moment, metallic membrane 10 is in cambered surface 18 places of pricker 9 just.Because the diameter of the tip portion of pricker is bigger, metallic membrane 10 has been punctured a hole that diameter is bigger, the diameter in this hole is greater than the diameter of pricker 9 at cambered surface 18 places, makes in the slit at gas metallic membrane 10 and cambered surface 18 places of pricker 9 in the gas cylinder 1 to spray.The gas of ejection enters in the inner chamber 24 of air induction mast 20 through the pin hole 21 on gas outlet 16, air channel 11 and the time-delay sheet 19.Because the diameter of pin hole 21 is less, required time was longer when gas passed through, and realized the time-delay of certain hour.When the pressure of the gas in the inner chamber 24 of air induction mast 20 reached certain value, gas was washed rubber sealing boot 26 open by pin hole 25, and the gas in the inner chamber 24 of air induction mast 20 enters in the inner chamber of cylindrical shell by pin hole 25.Because the diameter of pin hole 25 is less, required time was longer when gas passed through, and realized the time-delay of certain hour again.When the pressure of the gas in the inner chamber of cylindrical shell reached certain value, time-delay disconnecting apparatus 34 was broken from neck 35, and cylindrical shell 27 is blown from sealing device 29 with cylindrical shell 28.Powder extinguishing agent in the cylinder lumen is dished out, and plays the effect of fire extinguishing.
Claims (6)
1. throwing type fire annihilator comprises gas cylinder (1) and cylindrical shell; It is characterized in that: cylindrical shell is the opposite opened cylindrical shell, and it has time-delay disconnecting apparatus (34); Gas cylinder (1) has the gas cylinder control device, and the gas cylinder control device is communicated with cylindrical shell by time-delay mechanism.
2. throwing type fire annihilator according to claim 1 is characterized in that: the gas cylinder control device comprises coupling seat (2), slide block (3), spring (4), locking pin (5), spring (6), pressure handle (7) and safety pin (8); One end of coupling seat (2) connects by screw thread and gas cylinder (1), and the other end connects by screw thread and cylindrical shell; Coupling seat (2) has endoporus (22), and slide block (3) and spring (4) are installed in the endoporus (22); One end of slide block (3) has pricker (9), an end in contact of the other end and spring (4), and pricker (9) is aimed at the diaphragm (10) of gas cylinder (1); The lock slots (12) that has air channel (11) and annular on the slide block (3); The lock hole (23) that one end of locking pin (5) passes on the coupling seat (2) inserts in the lock slots (12) of slide block (3), and the other end is a protruding end; One end of spring (6) contacts with coupling seat (2), and the other end contacts with the protruding end of locking pin (5); Pressure handle (7) connects by hinge and coupling seat (2), and safety pin (8) passes lock hole (43) on the pressure handle (7) and the lock hole (41) on the coupling seat (2); The inboard of pressure handle (7) is pressed on the protruding end of locking pin (5).
3. throwing type fire annihilator according to claim 2 is characterized in that: have annular protrusion thing (15) on the end face of the end with pricker (9) of slide block (3), have gas outlet (16) on the protrusion (15); Have spirality outgassing groove (17) on the tip portion of pricker (9), the part of needle point back has the cambered surface (18) that caves inward.
4. according to claim 1,2 or 3 described throwing type fire annihilators, it is characterized in that: time-delay mechanism comprises time-delay sheet (19) and air induction mast (20); Time-delay sheet (19) is installed in the endoporus (22) of coupling seat (2), an end in contact of its surface and spring (4), end in contact of another surface and air induction mast (20); Air induction mast (20) is positioned at cylindrical shell, and its end is connected with coupling seat (2) by screw thread, and the other end is by the client link of screw thread with time-delay disconnecting apparatus (34), and the other end of time-delay disconnecting apparatus (34) is installed on the cylindrical shell; Have pin hole (21) on the time-delay sheet (19), pin hole (21) is communicated with the endoporus (22) of coupling seat (2) with the inner chamber (24) of air induction mast (20); Have pin hole (25) on the air induction mast (20), pin hole (25) is communicated with the inner chamber (24) of air induction mast (20) with the inner chamber of cylindrical shell; Be set with sealing shroud (26) on the air induction mast (20), sealing shroud (26) seals pin hole (25).
5. throwing type fire annihilator according to claim 4 is characterized in that: cylindrical shell comprises hemispherical cylindrical shell (27) and hemispherical cylindrical shell (28), seals by sealing device (29) between cylindrical shell (27) and the cylindrical shell (28); Have last bottleneck (30) on the cylindrical shell (27), coupling seat (2) is installed on the bottleneck (30) by screw thread; Have following bottleneck (31) on the cylindrical shell (28), the outer end of following bottleneck (31) is by nut (32) and sealing ring (33) sealing; The two ends of time-delay disconnecting apparatus (34) all have screw thread, and the centre has the less neck of diameter (35); One end of time-delay disconnecting apparatus (34) connects by screw thread and air induction mast (20), and the other end connects by screw thread and tension cover (36); Tension cover (36) has end plate (37), and tension cover (36) is enclosed within down in the endoporus of bottleneck (31), and the interior step of end plate (37) and following bottleneck (31) contacts.
6. throwing type fire annihilator according to claim 5 is characterized in that: sealing device (29) is the rubber seal of " worker " font substantially for cross section, and it has seal groove (38); Gas cylinder (1) outside is set with cylindrical shape handle (39), and handle (39) is installed on the coupling seat (2) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259335 CN2574716Y (en) | 2002-07-30 | 2002-10-14 | Ultrasonic speed aerosol dry powder automatic fire extinguisher |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02246911.7 | 2002-07-30 | ||
| CN02246911 | 2002-07-30 | ||
| CN 02259335 CN2574716Y (en) | 2002-07-30 | 2002-10-14 | Ultrasonic speed aerosol dry powder automatic fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574716Y true CN2574716Y (en) | 2003-09-24 |
Family
ID=34065093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259335 Expired - Fee Related CN2574716Y (en) | 2002-07-30 | 2002-10-14 | Ultrasonic speed aerosol dry powder automatic fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574716Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044386A1 (en) * | 2003-11-05 | 2005-05-19 | Lu, Hsueh-An | Fire extinguishing grenade |
| CN109675225A (en) * | 2019-01-29 | 2019-04-26 | 安徽省国发石化设备有限责任公司 | A kind of multistage fire fighting extinguisher in oil tank |
| CN109985332A (en) * | 2019-04-22 | 2019-07-09 | 安徽字母表工业设计有限公司 | Fire-fighting fire extinguishing apparatus to cause bursting |
| CN109985331A (en) * | 2019-04-22 | 2019-07-09 | 安徽字母表工业设计有限公司 | Forest fire extinguishing apparatus |
| CN110013625A (en) * | 2019-04-22 | 2019-07-16 | 安徽字母表工业设计有限公司 | Hand throwing type fire-fighting water pocket |
| CN111744127A (en) * | 2020-07-02 | 2020-10-09 | 杨恒 | Throwing type fire extinguishing device |
-
2002
- 2002-10-14 CN CN 02259335 patent/CN2574716Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044386A1 (en) * | 2003-11-05 | 2005-05-19 | Lu, Hsueh-An | Fire extinguishing grenade |
| CN109675225A (en) * | 2019-01-29 | 2019-04-26 | 安徽省国发石化设备有限责任公司 | A kind of multistage fire fighting extinguisher in oil tank |
| CN109985332A (en) * | 2019-04-22 | 2019-07-09 | 安徽字母表工业设计有限公司 | Fire-fighting fire extinguishing apparatus to cause bursting |
| CN109985331A (en) * | 2019-04-22 | 2019-07-09 | 安徽字母表工业设计有限公司 | Forest fire extinguishing apparatus |
| CN110013625A (en) * | 2019-04-22 | 2019-07-16 | 安徽字母表工业设计有限公司 | Hand throwing type fire-fighting water pocket |
| CN109985332B (en) * | 2019-04-22 | 2020-10-30 | 安徽字母表工业设计有限公司 | Igniter for fire-fighting |
| CN110013625B (en) * | 2019-04-22 | 2020-10-30 | 安徽字母表工业设计有限公司 | Air-drop fire-fighting water bag |
| CN111744127A (en) * | 2020-07-02 | 2020-10-09 | 杨恒 | Throwing type fire extinguishing device |
| CN111744127B (en) * | 2020-07-02 | 2021-10-29 | 合肥右一传媒科技有限公司 | Throwing type fire extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030924 Termination date: 20101014 |