阅读说明：本技术 六氟丙烷灭火器及其喷射装置 (Hexafluoropropane fire extinguisher and injection device thereof ) 是由 王以丹 仇智珩 龙寅 姚效刚 谢斌 高磊 陆军 王朦 于 2019-09-26 设计创作，主要内容包括：本发明公开了一种六氟丙烷灭火器及其喷射装置,属于灭火器领域,旨在提供一种六氟丙烷灭火器的喷射装置,其技术方案要点是：包括喷头以及用于连接喷头和灭火器瓶体的连接管,喷头的一端连接圆管,喷头远离圆管的一端开设有与喷头内空腔相连通的中央喷孔,中央喷孔的周缘设有若干与喷头内空腔相连通的散喷孔,连接管的一端连接在灭火器瓶体上,另一端连接在圆管上；本发明的优点是：增大了六氟丙烷灭火剂的喷射范围,充分发挥灭火剂的雾化特性,从而大大提高了六氟丙烷灭火器的灭火效果。(The invention discloses a hexafluoropropane fire extinguisher and an injection device thereof, belongs to the field of fire extinguishers, and aims to provide the injection device of the hexafluoropropane fire extinguisher, which has the technical scheme that: the fire extinguisher comprises a spray head and a connecting pipe used for connecting the spray head and a fire extinguisher bottle body, wherein one end of the spray head is connected with a round pipe, one end of the spray head, which is far away from the round pipe, is provided with a central spray hole communicated with a cavity in the spray head, the periphery of the central spray hole is provided with a plurality of scattered spray holes communicated with the cavity in the spray head, one end of the connecting pipe is connected to the fire extinguisher bottle body, and the; the invention has the advantages that: the spraying range of the hexafluoropropane fire extinguishing agent is enlarged, and the atomization characteristic of the fire extinguishing agent is fully exerted, so that the fire extinguishing effect of the hexafluoropropane fire extinguisher is greatly improved.)

1. A hexafluoropropane extinguisher injection apparatus is characterized in that: including shower nozzle (1) and connecting pipe (2) that are used for connecting shower nozzle (1) and fire extinguisher bottle (8), the one end of shower nozzle (1) is equipped with pipe (12) that are linked together with shower nozzle (1) inner chamber, central authorities 'orifice (13) that are linked together with shower nozzle (1) inner chamber are seted up to the one end that pipe (12) were kept away from in shower nozzle (1), the periphery of central authorities' orifice (13) is equipped with a plurality of scattered orifice (14) that are linked together with shower nozzle (1) inner chamber, the one end threaded connection of connecting pipe (2) is on fire extinguisher bottle (8), and the other end is connected on pipe (12).

2. The injection device of a hexafluoropropane extinguisher according to claim 1, wherein: the periphery of the central spray hole (13) of the spray head (1) is provided with an inclined plane (15), and the scattered spray holes (14) are formed in the inclined plane (15).

3. The injection device of a hexafluoropropane extinguisher according to claim 2, wherein: one end threaded connection that fire extinguisher bottle (8) were kept away from in connecting pipe (2) is at pipe (12) inner wall, be equipped with spacing piece (121) on pipe (12) inner wall, spacing piece (121) and connecting pipe (2) stretch into the tip of pipe (12) interior one end and contact.

4. The injection device of a hexafluoropropane extinguisher according to claim 1, wherein: the two ends of the connecting pipe (2) are both provided with soft connecting parts (21), and a corrugated pipe section (22) is arranged between the two soft connecting parts (21).

5. The injection apparatus of a hexafluoropropane fire extinguisher according to claim 1 or 4, wherein: the outer sleeve of the connecting pipe (2) is provided with a stabilizing pipe (3), and one end of the stabilizing pipe (3) facing the round pipe (12) is in threaded connection with the outer wall of the round pipe (12).

6. The injection device of a hexafluoropropane extinguisher according to claim 5, wherein: the utility model discloses a stability tube (3) overcoat is equipped with extension pipe (4), stability tube (3) outer joint has slider (31), set up on extension pipe (4) outer wall along extension pipe (4) length direction and supply gliding spout (41) of slider (31), spout (41) are equipped with locating part (5) that restriction slider (31) removed towards the one end of pipe (12).

7. The injection device of a hexafluoropropane extinguisher according to claim 6, wherein: the limiting piece (5) comprises a limiting groove (51) formed in the side wall of the sliding groove (41), a limiting plate (52) is hinged in the limiting groove (51), the limiting groove (51) extends out of one end of the limiting plate (52), one side, away from the circular tube (12), of the limiting plate (52) is abutted to the groove wall of the limiting groove (51), a compression spring (53) is arranged on one side, facing the circular tube (12), of the limiting plate (52), and two ends of the compression spring (53) are connected to the groove walls of the limiting plate (52) and the limiting groove (51) respectively; when the sliding block (31) slides to one end of the sliding groove (41) far away from the stabilizing pipe (3), the sliding block (31) is positioned on one side of the limiting plate (52) facing the circular pipe (12).

8. The injection device of a hexafluoropropane extinguisher according to claim 7, wherein: the fire extinguisher is characterized in that a fixed cylinder (6) is connected to the outer wall of the stabilizing pipe (3), an extension rod (7) is connected to the inner thread of the fixed cylinder (6), and one end, far away from the fixed cylinder (6), of the extension rod (7) extends towards the direction of the fire extinguisher bottle body (8).

9. A hexafluoropropane fire extinguisher is characterized in that: a spray device comprising the hexafluoropropane fire extinguisher as claimed in any one of claims 1 to 8.

Technical Field

The invention relates to the field of fire extinguishers, in particular to a hexafluoropropane fire extinguisher and an injection device thereof.

Background

The fire extinguisher is a portable fire extinguishing tool. Chemical substances are placed in the fire extinguisher to extinguish fire. The fire extinguisher is one of common fire extinguishing facilities, is stored in public places or places where fires may happen, and different types of fire extinguishers are filled with different components and are specially designed for different fires. Care must be taken in use to avoid adverse effects and risks.

The patent of Chinese patent publication No. CN103357131A discloses a compound portable fire extinguisher, which comprises a fire extinguishing agent storage tank, a fire extinguishing agent storage tank and a fire extinguishing agent storage tank, wherein a tank opening of the fire extinguishing agent storage tank is connected with a head assembly in a sealing way; the fire extinguishing agent suction pipe system is arranged in an inverted Y-shaped structure, a mixing cavity is arranged at the upper part, the bottom of the mixing cavity is respectively connected with a first fire extinguishing agent suction pipe and a second fire extinguishing agent suction pipe in a parallel mode, the top port of the mixing cavity is connected with a fire extinguishing agent inlet connecting pipe on a machine head assembly, and the first fire extinguishing agent suction pipe and the second fire extinguishing agent suction pipe are respectively inserted into a first cavity and a second cavity; the first cavity is used for filling 2-bromo-3, 3, 3-trifluoropropene or perfluorohexanone, and the second cavity is filled with water or water containing inorganic salt additives.

However, the fire extinguishing agent of the fire extinguisher is directly sprayed out from the open spray head, the spraying range is small, and the fire extinguishing effect is not ideal.

Disclosure of Invention

The invention aims to provide a hexafluoropropane extinguisher injection device, which has the advantages that: the spraying range of the hexafluoropropane fire extinguishing agent is enlarged, and the atomization characteristic of the fire extinguishing agent is fully exerted, so that the fire extinguishing effect of the hexafluoropropane fire extinguisher is greatly improved.

The technical purpose of the invention is realized by the following technical scheme: including the shower nozzle and be used for connecting the connecting pipe of shower nozzle and fire extinguisher bottle, the one end of shower nozzle is equipped with the pipe that is linked together with cavity in the shower nozzle, the shower nozzle is kept away from the one end of pipe and is seted up the central orifice that is linked together with cavity in the shower nozzle, the periphery of central orifice is equipped with a plurality of scattered orifices that are linked together with cavity in the shower nozzle, the one end threaded connection of connecting pipe is on the fire extinguisher bottle, and the other end is connected on the pipe.

Through above-mentioned scheme, when the operator opened the valve on the fire extinguisher bottle, hexafluoropropane flowed to the cavity of shower nozzle in through the connecting tube, then sprayed away through central orifice and a plurality of orifices of loosing respectively, improved hexafluoropropane's injection velocity and jet distance, scattered the orifice then has increaseed hexafluoropropane's injection region, improved fire control effect greatly.

Furthermore, the periphery of the central spray hole of the spray head is provided with an inclined plane, and the scattered spray holes are formed in the inclined plane.

Through above-mentioned scheme, scatter the orifice and set up on the inclined plane to scatter and have certain angle between orifice and the central authorities orifice, and then can be the umbelliform when making hexafluoropropane pass through the shower nozzle and spray away, improved hexafluoropropane's injection region greatly, improved fire-fighting effect.

Furthermore, the one end threaded connection that the fire extinguisher bottle was kept away from to the connecting pipe is at the pipe inner wall, be equipped with spacing piece on the pipe inner wall, spacing piece is inconsistent with the tip that the connecting pipe stretched into pipe one end.

Through the scheme, when the operator passes through the pipe threaded connection with the shower nozzle on the connecting pipe, spacing piece can be inconsistent with the tip of connecting pipe to prevent that the connecting pipe is excessive to stretch into the drum and extend to contradict with cavity wall in the cavity of shower nozzle, improved the stability of shower nozzle.

Further, the both ends of connecting pipe all establish to soft connecting portion, establish to bellows portion between two soft connecting portion.

Through the scheme, the soft connecting part enables an operator to freely adjust the angle of the connecting pipe relative to the fire extinguisher bottle body and the angle of the spray head relative to the connecting pipe, so that the operator can conveniently adjust the spray angle. The operator can also adjust the length of the connecting pipe by stretching and contracting the corrugated pipe, thereby obtaining the optimal holding length and reducing the possibility of flow rate loss of the hexafluoropropane in the connecting pipe caused by the excessive bending of the connecting pipe.

Furthermore, the connecting pipe overcoat is equipped with the stabilizer bar, the stabilizer bar is towards the one end threaded connection of pipe on the pipe outer wall.

Through above-mentioned scheme, during the use, the operator can be with stabilizing on the pipe outer wall pipe threaded connection, then hold on stabilizing the pipe outer wall to make operator's hand keep away from shower nozzle and intensity of a fire department, reduce the operator by the hexafluoropropane frostbite when gasification or by the possibility of fire burn, the security when having improved the operator and using the shower nozzle.

Further, the outer cover of the stabilizing pipe is provided with an extension pipe, the outer of the stabilizing pipe is connected with a sliding block, a sliding groove which is arranged along the length direction of the extension pipe and used for sliding the sliding block is formed in the outer wall of the extension pipe, and a limiting part which limits the sliding block to move is arranged at one end of the sliding groove, facing the round pipe.

Through the above scheme, when the intensity of a fire is located higher department, the operator can slide the extension pipe towards the direction of keeping away from the stabilizer tube, the extension pipe slides when keeping away from the one end of pipe to the stabilizer tube, the removal of rethread locating part restriction slider, the extension pipe is just by stable connection on the stabilizer tube this moment, the operator alright with holding on the extension pipe, and lift the intensity of a fire that the shower nozzle aimed at higher department and put out a fire, convenient and fast, and because the extension pipe has increaseed the distance between operator and the intensity of a fire, consequently, the security when the operator puts out a fire has been improved.

Furthermore, the limiting part comprises a limiting groove formed in the side wall of the sliding groove, a limiting plate is hinged in the limiting groove, a limiting groove extends out of one end of the limiting plate, one side of the limiting plate, which is far away from the circular tube, is abutted against the groove wall of the limiting groove, a compression spring is arranged on one side of the limiting plate, which faces the circular tube, and two ends of the compression spring are respectively connected to the limiting plate and the groove wall of the limiting groove; when the sliding block slides to one end of the sliding groove far away from the stabilizing pipe, the sliding block is positioned on one side of the limiting plate facing the round pipe.

Through the above scheme, the operator is when the direction slip extension pipe of keeping away from the pipe, the slider offsets and promotes the limiting plate to rotate towards the pipe with one side that the limiting plate deviates from the pipe, compression spring is compressed and has the elastic restoring force this moment, the limiting plate is opened and is made the slider slide in the limiting plate when one side of pipe, the slider no longer contradicts with the limiting plate, the limiting plate just returns the normal position under compression spring's elastic restoring force, and the limiting plate deviates from one side and the spacing groove cell wall of pipe inconsistent, the slider is contradicted when the limiting plate deviates from one side of pipe this moment, just can't promote the limiting plate and rotate towards the direction of keeping away from the pipe, thereby convenient limit the slider between the cell wall of limiting plate.

Further, be connected with a solid fixed cylinder on the stabilization pipe outer wall, gu fixed cylinder female connection has the extension rod, the one end that solid fixed cylinder was kept away from to the extension rod extends to the direction of fire extinguisher bottle.

Through above-mentioned scheme, when the intensity of a fire is located higher department, the operator can be with extension rod threaded connection in the solid fixed cylinder, when putting out a fire to the intensity of a fire, can grip the hand and keep away from the one end of solid fixed cylinder at the extension rod to lift and raise the intensity of a fire that the shower nozzle aimed at higher department and put out a fire, convenient and fast to because the extension rod has increaseed the distance between operator and the intensity of a fire, security when consequently having improved the operator and putting out a fire.

Another object of the present invention is to provide a hexafluoropropane fire extinguisher comprising the above-mentioned injection device for a hexafluoropropane fire extinguisher.

Through above-mentioned scheme, adopt above-mentioned hexafluoropropane fire extinguisher of hexafluoropropane fire extinguisher's injection apparatus, can improve hexafluoropropane's injection velocity and jet distance and injection zone territory, improve hexafluoropropane fire extinguisher's fire extinguishing effect greatly.

In conclusion, the invention has the following beneficial effects:

1. the nozzle enlarges the injection area of the hexafluoropropane, thereby improving the fire extinguishing effect;

2. the extension pipe enlarges the distance between an operator and the fire, thereby improving the safety of the operator when extinguishing the fire.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic structural view for embodying a bellows portion in embodiment 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of the overall structure of embodiment 2.

In the figure, 1, a spray head; 12. a circular tube; 121. a limiting sheet; 13. a central orifice; 14. spraying holes in a scattered mode; 15. a bevel; 2. a connecting pipe; 21. a soft connection portion; 22. a bellows portion; 3. a stabilizer tube; 31. a slider; 4. an extension tube; 41. a chute; 5. a limiting member; 51. a limiting groove; 52. a limiting plate; 53. a compression spring; 6. a fixed cylinder; 7. an extension pole; 8. a fire extinguisher bottle body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.