CN111298349A - Automatic puncturing device for carbon dioxide steel cylinder for fire fighting - Google Patents
Automatic puncturing device for carbon dioxide steel cylinder for fire fighting Download PDFInfo
- Publication number
- CN111298349A CN111298349A CN202010297362.7A CN202010297362A CN111298349A CN 111298349 A CN111298349 A CN 111298349A CN 202010297362 A CN202010297362 A CN 202010297362A CN 111298349 A CN111298349 A CN 111298349A
- Authority
- CN
- China
- Prior art keywords
- needle
- carbon dioxide
- hollow core
- steel cylinder
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 26
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000009950 felting Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an automatic puncturing device for a carbon dioxide steel cylinder for fire fighting, which comprises an inner core and an outer shell, wherein one end of the inner core is provided with an internal thread hexagonal joint, the internal thread hexagonal joint is in threaded connection with a cylinder head valve joint of the carbon dioxide steel cylinder, the other end of the internal thread hexagonal joint is connected with a hollow core pipe in a cast welding mode, the outer shell is movably sleeved on the outer wall of the hollow core pipe, a puncturing needle is movably arranged in the hollow core pipe and comprises a needle tail section and a needle head section, the needle head section and the needle tail section are both of a hollow structure and are communicated with each other, one end of the needle head section, close to the internal thread hexagonal joint, is abutted with a glass ball, the other end of the glass ball is embedded in a through hole formed in the internal thread hexagonal joint and is connected with a safety diaphragm arranged in the cylinder head valve joint, the needle tail section is cylindrical, and a compression spring. The invention not only effectively improves the timeliness of fire extinguishing, but also has simple structure, is convenient to install and reduces the use cost.
Description
Technical Field
The invention mainly relates to the technical field of fire fighting equipment, in particular to an automatic puncture device for a carbon dioxide steel cylinder for fire fighting.
Background
The carbon dioxide fire extinguishing device is common equipment in a fire extinguishing system, a steel cylinder used by the device is basically sealed by a safety diaphragm in a cylinder head valve, correspondingly, a puncturing device can be installed on the cylinder head valve to automatically puncture the safety diaphragm to release carbon dioxide gas for fire extinguishing, most of the existing puncturing devices are pneumatic or electric, the pneumatic type has more required working parts and complex installation, and the electric type is limited by the need of electricity to keep working, if a fire disaster occurs, the fire extinguishing device can not extinguish the fire in time, great property loss is caused, and even personal safety is threatened.
Disclosure of Invention
The invention mainly provides an automatic puncturing device for a fire-fighting carbon dioxide steel cylinder, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an automatic puncturing device for a carbon dioxide steel cylinder for fire fighting comprises an inner core and an outer shell, wherein one end of the inner core is provided with an internal thread hexagonal joint, the internal thread hexagonal joint is in threaded connection with a cylinder head valve joint of the carbon dioxide steel cylinder, the other end of the internal thread hexagonal joint is connected with a hollow core pipe in a cast welding manner, the outer shell is movably sleeved on the outer wall of the hollow core pipe, one end, far away from the internal thread hexagonal joint, of the hollow core pipe is provided with a hemispherical groove, and the bottom of the hemispherical groove is provided with an air outlet;
the inside activity of cavity refill is provided with the felting needle, the felting needle includes tail section and syringe needle section, head section and tail section are inside to be hollow structure and to link up each other, the head section is close to internal thread hexagonal joint one end butt joint and has been had the glass ball, the glass ball other end inlay in the through-hole of seting up on the internal thread hexagonal joint and with the rupture disk that the bottle head valve set up connects mutually, just tail section is the cylinder, be provided with compression spring between tail section and the hemisphere recess, the compression spring both ends respectively with the cavity refill inside pipe wall looks butt of tail section and hemisphere recess one end.
Furthermore, the front end of the needle head section is provided with an inclined opening, and the side wall of the needle head section close to the inclined opening is provided with an inclined hole.
Furthermore, two limiting holes are symmetrically formed in the outer walls of the two sides of the needle tail section, and the diameter of the needle tail section is larger than that of the needle head section.
Furthermore, two stroke notches are symmetrically formed in the outer walls of the two sides of the hollow core pipe, extend to the connecting surface of the internal thread hexagonal connector and the hollow core pipe, and two limiting grooves are formed in the connecting surface and correspond to the two stroke notches respectively.
Further, the shell is close to the outer wall bilateral symmetry of cavity core pipe one end and has seted up two fixed orificess, two be provided with the fixed pin between the fixed orificess, the fixed pin from left to right alternates two fixed orificess, stroke notch and spacing hole in proper order.
Furthermore, fixed pin one end is equipped with the brim of a hat, just the fixed pin interlude is provided with the annular groove, and this annular groove is located inside the tail section of the needle.
Furthermore, one end of the shell, which is far away from the hollow core tube, is in a conical closing-in shape, and a plurality of air injection holes are arranged on the shell, which is close to the conical closing-in position, in an equidistance manner.
Further, the maximum length of the hollow core tube is smaller than the length from the connecting opening end of the outer shell and the hollow core tube to each gas injection hole.
Furthermore, the inside cavity that is equipped with of glass ball, this cavity internal liquid that is equipped with, just the one end that glass ball is close to the syringe needle section is equipped with the pointed cylinder, the pointed cylinder embedded with inside the bevel connection of syringe needle section.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the puncturing device avoids a mode of using electricity or gas as driving, an internal thread hexagonal joint on an inner core is connected with a bottle head valve, a glass ball which can be exploded at high temperature is arranged in a hollow core pipe and is abutted against a safety diaphragm, the other end of the glass ball is abutted against a puncturing needle, the puncturing needle compresses a compression spring in the hollow core pipe in a standby state, once the temperature of the glass ball is increased due to fire, the explosion is triggered, the puncturing needle loses the pressure on the compression spring at the moment, the compression spring resets, the puncturing needle directly punctures the safety diaphragm along with the reset impact force, carbon dioxide gas in the steel bottle instantly escapes and is released into external air to extinguish the fire, the timeliness of fire extinguishment is effectively improved, the structure of the device is simple, the installation is convenient, and the use cost is reduced;
secondly, after the puncture needle punctures the safety diaphragm, gas is quickly conveyed into the hollow core tube along the puncture needle and is blown out from the air outlet hole at the bottom of the hemispherical groove, and after the gas is stopped by the conical closed end of the shell, the pressurized gas quickly diffuses to the periphery in the hemispherical groove through the plurality of air injection holes correspondingly formed in the shell, so that the fire extinguishing range is better enlarged, and the fire extinguishing efficiency is improved.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view showing the internal structure of the automatic puncturing device according to the present invention;
FIG. 3 is a schematic view of the housing structure of the present invention;
FIG. 4 is a schematic view of the core construction of the present invention;
FIG. 5 is a schematic view of the structure of a glass bead according to the present invention;
FIG. 6 is a schematic view of the lancet structure of the present invention;
fig. 7 is a schematic view of the fixing pin structure of the present invention.
Description of the drawings: 1. an automatic puncturing device; 11. an inner core; 11a, an internal thread hexagonal joint; 11a-1, a through hole; 11a-2 and a limit groove; 11b, a hollow core tube; 11b-1, a travel slot; 11b-2, a hemispherical groove; 11b-3 and an air outlet; 12. a housing; 12a, a fixing hole; 12b, gas injection holes; 13. a glass ball; 13a, a pointed column body; 14. a needle; 14a, a needle tail section; 14a-1 and a limiting hole; 14b, a needle section; 14b-1, offset hole; 15. a compression spring; 16. a fixing pin; 16a, a visor; 16b, an annular groove; 2. a carbon dioxide steel cylinder; 21. a bottle head valve connector; 21a, a safety diaphragm.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, referring to fig. 1-4, an automatic puncturing device for a carbon dioxide steel cylinder for fire fighting comprises an inner core 11 and an outer shell 12, wherein one end of the inner core 11 is provided with an inner hexagonal connector 11a, the inner hexagonal connector 11a is in threaded connection with a cylinder head valve connector 21 of the carbon dioxide steel cylinder 2, the other end of the inner hexagonal connector 11a is connected with a hollow core tube 11b in a cast welding manner, the outer shell 12 is movably sleeved on the outer wall of the hollow core tube 11b, one end of the hollow core tube 11b, which is far away from the inner hexagonal connector 11a, is provided with a hemispherical groove 11b-2, the bottom of the hemispherical groove 11b-2 is provided with an air outlet 11b-3, one end of the outer shell 12, which is far away from the hollow core tube 11b, is in a conical shape, and provides a better space for gas diffusion together with the hemispherical groove 11b-2, and the shell 12 close to the conical closing-in part is equidistantly provided with a plurality of gas injection holes 12b, the maximum length of the hollow core tube 11b is less than the length from the connecting opening end of the shell 12 and the hollow core tube 11b to each gas injection hole 12b, so that the release of gas in the steel cylinder is not influenced no matter which part of the shell 12 is arranged on the hollow core tube 11 b.
In an embodiment, referring to fig. 2, 5 and 6, a puncture needle 14 is movably disposed inside the hollow core tube 11b, the puncture needle 14 includes a needle tail section 14a and a needle head section 14b, the needle head section 14b and the needle tail section 14a are both hollow and are interconnected, one end of the needle head section 14b close to the female screw hexagonal joint 11a is abutted with a glass ball 13, the other end of the glass ball 13 is embedded in a through hole 11a-1 formed in the female screw hexagonal joint 11a and is connected with a safety diaphragm 21a disposed in the bottle head valve joint 21, a cavity is disposed inside the glass ball 13, a pointed column 13a is disposed inside the cavity, one end of the glass ball 13 close to the needle head section 14b is disposed with a pointed column 13a, the pointed column 13a is embedded inside an oblique opening of the needle head section 14b, the liquid inside the glass ball 13 expands inside the glass ball 13 after being subjected to a high temperature, so as to burst the shell of the glass ball 13, and the needle tail section 14a is cylindrical, a compression spring 15 is arranged between the needle tail section 14a and the hemispheroid groove 11b-2, and two ends of the compression spring 15 are respectively abutted against the inner walls of the hollow core tubes 11b at one ends of the needle tail section 14a and the hemispheroid groove 11 b-2.
In an embodiment, referring to fig. 6, the front end of the needle head section 14b is designed to be an oblique opening, and the sidewall of the needle head section 14b near the oblique opening is provided with an offset hole 14b-1, the oblique opening design enhances the puncturing effect of the needle 14, and the offset hole 14b-1 on the needle head section 14b not only increases the gas outflow speed, but also prevents the oblique opening part of the needle head section 14b from being blocked by the safety diaphragm 21a or the residual fragments of the glass ball, so that the blocked fragments can be instantaneously flushed out of the oblique opening by the gas pressure entering the offset hole 14b-1, and the influence on the gas conveying work is reduced.
In an embodiment, referring to fig. 2, 3, 4, 6 and 7, two limiting holes 14a-1 are symmetrically formed on the outer walls of the two sides of the needle tail section 14a, and the diameter of the needle tail section 14a is greater than that of the needle head section 14b, so that the contact between the needle tail section 14a and the compression spring 15 is more stable, two stroke notches 11b-1 are symmetrically formed on the outer walls of the two sides of the hollow core tube 11b, the two stroke notches 11b-1 extend to the connecting surface between the female hexagonal connector 11a and the hollow core tube 11b, and two limiting grooves 11a-2 are respectively formed on the connecting surface corresponding to the two stroke notches 11b-1, two ends of the fixing pin 16 are embedded in the two limiting grooves 11a-2 after the needle 14 performs a puncturing activity, two fixing holes 12a are symmetrically formed on the two sides of the outer wall of the housing 12 near one end of the hollow core tube 11b, the fixing pin 16 is arranged between the two fixing holes 12a, the fixing pin 16 sequentially penetrates through the two fixing holes 12a, the stroke notches 11b-1 and the limiting holes 14a-1 from left to right, the puncture needle 14 and the shell 12 are fixedly connected through the fixing pin 16 and slide in the two stroke notches 11b-1 of the hollow core tube 11b, the puncture activity of the puncture needle 14 is facilitated, the limiting effect is achieved, the shell 12 is prevented from falling off when being impacted by gas, a cap peak 16a is arranged at one end of the fixing pin 16 to limit the fixing pin 16 and avoid falling off from the fixing holes 12a, an annular groove 16b is formed in the middle section of the fixing pin 16, and the annular groove 16b is located inside the needle tail section 14a, so that the blocking area for the gas is reduced.
The specific working process of the invention is as follows:
firstly, the automatic puncturing device 1 is arranged on a bottle head valve joint 21 of a carbon dioxide steel bottle 2 by utilizing an internal thread hexagonal joint 11a, at the moment, a glass ball 13 is embedded in a through hole 11a-1 arranged on the internal thread hexagonal joint 11a and is contacted with a safety diaphragm 21a, the puncture needle 14 pressed by the compression spring 15 is contacted with the glass ball 13, when the glass ball 13 is broken due to fire, the compression spring 15 loses pressure to rebound and reset, the puncture needle 14 can directly puncture the safety diaphragm 21a, the gas in the carbon dioxide steel cylinder 2 is flushed out from the hollow pipeline inside the puncture needle 14 and is released from the gas outlet hole 11b-3 at one end of the hemispherical groove 11b-2 on the hollow core pipe 11b, and the gas is limited by the tapered closing-up of the shell 12 in the hemispherical groove 11b-2 so as to be sprayed out to the plurality of gas spraying holes 12b on the periphery and spread to the outside air for fire extinguishing.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (9)
1. The automatic puncturing device for the carbon dioxide steel cylinder for fire fighting is characterized in that the automatic puncturing device (1) comprises an inner core (11) and an outer shell (12), an inner wire hexagonal joint (11 a) is arranged at one end of the inner core (11), the inner wire hexagonal joint (11 a) is in threaded connection with a cylinder head valve joint (21) of the carbon dioxide steel cylinder (2), a hollow core pipe (11 b) is connected to the other end of the inner wire hexagonal joint (11 a) in a cast welding mode, the outer shell (12) is movably sleeved on the outer wall of the hollow core pipe (11 b), a hemispherical groove (11 b-2) is formed in one end, far away from the inner wire hexagonal joint (11 a), of the hollow core pipe (11 b), and an air outlet (11 b-3) is formed in the bottom of the hemispherical groove (11 b-2);
a pricker (14) is movably arranged in the hollow core tube (11 b), the pricker (14) comprises a tail section (14 a) and a head section (14 b), the needle head section (14 b) and the needle tail section (14 a) are both hollow structures and are communicated with each other, one end of the needle head section (14 b) close to the internal thread hexagonal joint (11 a) is abutted with a glass ball (13), the other end of the glass ball (13) is embedded in a through hole (11 a-1) arranged on the internal thread hexagonal joint (11 a) and is connected with a safety diaphragm (21 a) arranged in the bottle head valve joint (21), the needle tail section (14 a) is cylindrical, a compression spring (15) is arranged between the needle tail section (14 a) and the hemispheroid groove (11 b-2), and two ends of the compression spring (15) are respectively abutted against the inner walls of the needle tail section (14 a) and the hollow core tube (11 b) at one end of the hemispherical groove (11 b-2).
2. The automatic puncturing device for the fire-fighting carbon dioxide steel cylinder as recited in claim 1, wherein the front end of the needle head section (14 b) is provided with a bevel opening, and the side wall of the needle head section (14 b) near the bevel opening is provided with an offset hole (14 b-1).
3. The automatic puncturing device for the fire-fighting carbon dioxide steel cylinder as recited in claim 1, wherein two limiting holes (14 a-1) are symmetrically formed on the outer walls of both sides of the tail section (14 a), and the diameter of the tail section (14 a) is larger than that of the head section (14 b).
4. The automatic puncturing device for the fire-fighting carbon dioxide steel cylinder as claimed in claim 3, wherein two stroke notches (11 b-1) are symmetrically formed on the outer walls of both sides of the hollow core tube (11 b), the two stroke notches (11 b-1) extend to the connecting surface of the female screw hexagonal joint (11 a) and the hollow core tube (11 b), and two limiting grooves (11 a-2) are formed on the connecting surface corresponding to the two stroke notches (11 b-1), respectively.
5. The automatic puncturing device for the carbon dioxide steel cylinder for fire fighting according to claim 4, characterized in that two fixing holes (12 a) are symmetrically formed in two sides of the outer wall of the outer shell (12) close to one end of the hollow core tube (11 b), a fixing pin (16) is arranged between the two fixing holes (12 a), and the fixing pin (16) sequentially penetrates through the two fixing holes (12 a), the stroke notch (11 b-1) and the limiting hole (14 a-1) from left to right.
6. The automatic puncturing device for the carbon dioxide steel cylinder for fire fighting as claimed in claim 5, characterized in that the fixing pin (16) is provided with a visor (16 a) at one end, and the middle section of the fixing pin (16) is provided with an annular groove (16 b), and the annular groove (16 b) is located inside the needle tail section (14 a).
7. The automatic puncturing device for the fire-fighting carbon dioxide steel cylinder as claimed in claim 5, wherein the end of the outer shell (12) far away from the hollow core tube (11 b) is tapered, and a plurality of gas injection holes (12 b) are equally and separately arranged on the outer shell (12) near the tapered closing part.
8. An automatic puncturing device for a fire fighting carbon dioxide cylinder according to claim 7, characterized in that the maximum length of the hollow core tube (11 b) is smaller than the length from the connecting open end of the outer shell (12) and the hollow core tube (11 b) to each gas ejecting hole (12 b).
9. The automatic puncturing device for the carbon dioxide steel cylinder for fire fighting as claimed in claim 2, characterized in that the glass ball (13) is provided with a cavity inside, the cavity is filled with liquid, and the end of the glass ball (13) close to the needle section (14 b) is provided with a pointed column (13 a), and the pointed column (13 a) is embedded inside the bevel of the needle section (14 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297362.7A CN111298349A (en) | 2020-04-15 | 2020-04-15 | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010297362.7A CN111298349A (en) | 2020-04-15 | 2020-04-15 | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111298349A true CN111298349A (en) | 2020-06-19 |
Family
ID=71152212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010297362.7A Pending CN111298349A (en) | 2020-04-15 | 2020-04-15 | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111298349A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160848A (en) * | 2020-09-29 | 2021-01-01 | 西北工业大学 | Self-supercharging solid-liquid mixed engine |
| CN114320667A (en) * | 2021-09-16 | 2022-04-12 | 西北工业大学 | Extrusion type oxidant supply solid-liquid mixing engine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1202315A (en) * | 1968-03-05 | 1970-08-12 | Alfred James Schermuly | Improved rescue device |
| JPH0838638A (en) * | 1994-07-29 | 1996-02-13 | Glory Kiki Kk | Automatic fire extinguishing injector |
| RU2064803C1 (en) * | 1993-01-26 | 1996-08-10 | Вячеслав Степанович Кругликов | Pulse-action automatic fire extinguisher |
| JPH1024120A (en) * | 1996-07-12 | 1998-01-27 | Sogo Hatsujo Kk | Automatic gas jetting mechanism for gas jetting fire extinguisher |
| DE10121211A1 (en) * | 2001-04-30 | 2002-11-14 | Andreas Grasl | Thermic release and valve device for pressure gas cartridges comprises valve body with screw-in aperture into which pressure gas cartridge can be screwed, insert bolt displaceable in valve body and cap connected with valve body |
| CN2576279Y (en) * | 2002-11-08 | 2003-10-01 | 宋永昌 | Passive startor of spontaneous gas fire-fighting system |
| US20070193625A1 (en) * | 2003-09-08 | 2007-08-23 | Mackal Glenn H | Inflation Valve with Pneumatic Assist |
| US20170036048A1 (en) * | 2014-04-22 | 2017-02-09 | Job Lizenz Gmbh & Co. Kg | Compact miniature fire-extinguishing and/or fire-protection device |
| CN206145209U (en) * | 2016-10-08 | 2017-05-03 | 浙江亿日气动科技有限公司 | Mechanical valve gear of components of a whole that can function independently cone portion |
| CN110237476A (en) * | 2019-06-17 | 2019-09-17 | 上海金盾消防智能科技有限公司 | A kind of miniature single bottle automatic fire extinguisher |
| CN212166390U (en) * | 2020-04-15 | 2020-12-18 | 安徽世纪凯旋消防科技有限公司 | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting |
-
2020
- 2020-04-15 CN CN202010297362.7A patent/CN111298349A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1202315A (en) * | 1968-03-05 | 1970-08-12 | Alfred James Schermuly | Improved rescue device |
| RU2064803C1 (en) * | 1993-01-26 | 1996-08-10 | Вячеслав Степанович Кругликов | Pulse-action automatic fire extinguisher |
| JPH0838638A (en) * | 1994-07-29 | 1996-02-13 | Glory Kiki Kk | Automatic fire extinguishing injector |
| JPH1024120A (en) * | 1996-07-12 | 1998-01-27 | Sogo Hatsujo Kk | Automatic gas jetting mechanism for gas jetting fire extinguisher |
| DE10121211A1 (en) * | 2001-04-30 | 2002-11-14 | Andreas Grasl | Thermic release and valve device for pressure gas cartridges comprises valve body with screw-in aperture into which pressure gas cartridge can be screwed, insert bolt displaceable in valve body and cap connected with valve body |
| CN2576279Y (en) * | 2002-11-08 | 2003-10-01 | 宋永昌 | Passive startor of spontaneous gas fire-fighting system |
| US20070193625A1 (en) * | 2003-09-08 | 2007-08-23 | Mackal Glenn H | Inflation Valve with Pneumatic Assist |
| US20170036048A1 (en) * | 2014-04-22 | 2017-02-09 | Job Lizenz Gmbh & Co. Kg | Compact miniature fire-extinguishing and/or fire-protection device |
| CN206145209U (en) * | 2016-10-08 | 2017-05-03 | 浙江亿日气动科技有限公司 | Mechanical valve gear of components of a whole that can function independently cone portion |
| CN110237476A (en) * | 2019-06-17 | 2019-09-17 | 上海金盾消防智能科技有限公司 | A kind of miniature single bottle automatic fire extinguisher |
| CN212166390U (en) * | 2020-04-15 | 2020-12-18 | 安徽世纪凯旋消防科技有限公司 | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160848A (en) * | 2020-09-29 | 2021-01-01 | 西北工业大学 | Self-supercharging solid-liquid mixed engine |
| CN114320667A (en) * | 2021-09-16 | 2022-04-12 | 西北工业大学 | Extrusion type oxidant supply solid-liquid mixing engine |
| CN114320667B (en) * | 2021-09-16 | 2023-06-20 | 西北工业大学 | Extrusion type oxidant supply solid-liquid mixed engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111298349A (en) | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting | |
| CN108144226B (en) | Jet fire extinguishing ball | |
| JP5810216B2 (en) | Automatic fire extinguishing system for electric vehicles | |
| CN212166390U (en) | Automatic puncturing device for carbon dioxide steel cylinder for fire fighting | |
| JP5574342B2 (en) | Non-powered unmanned fire extinguisher | |
| CN203556079U (en) | Fire-fighting grenade | |
| CN113509666A (en) | Fire-fighting fire extinguishing bomb with broken window | |
| CN103550882A (en) | Automatic explosion suppression and fire extinguishing device | |
| CN102728015B (en) | Powder extinguishing device | |
| CN103341247A (en) | Suspending ultrafine dry powder self-service extinguishing device | |
| CN102758944B (en) | Bottle valve for shock-proof dry powder extinguishing devices | |
| CN211835954U (en) | Novel explosive type detonation dry powder spraying fire extinguisher | |
| CN110465019B (en) | Self-injection type fire extinguishing ball | |
| US6076610A (en) | Vehicular fire extinguishing device | |
| CN110237476A (en) | A kind of miniature single bottle automatic fire extinguisher | |
| CN215136277U (en) | Fire-fighting fire extinguishing bomb with broken window | |
| CN204411541U (en) | A kind of gas fire monitor | |
| CN2574716Y (en) | Ultrasonic speed aerosol dry powder automatic fire extinguisher | |
| CN216934548U (en) | Puncture device and fire extinguisher | |
| CN207506883U (en) | A kind of automatic fire extinguisher for kitchen | |
| KR101264847B1 (en) | Putting out a fire system | |
| KR20210114126A (en) | Injection nozzle which improves concentration and concentration of extinguishing fluid in fire extinguisher | |
| CN202761945U (en) | Dry powder extinguisher | |
| CN204815473U (en) | Automatic fire extinguisher | |
| KR20090004516U (en) | Throw fire extinguisher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |