CN210644921U

CN210644921U - Cast type fire extinguisher

Info

Publication number: CN210644921U
Application number: CN201920581483.7U
Authority: CN
Inventors: 马丹; 周峰
Original assignee: Shenyang Ligong University
Current assignee: Shenyang Ligong University
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-06-02
Anticipated expiration: 2029-04-26

Abstract

The utility model provides a throw formula fire extinguisher, belongs to the instrument technical field of putting out a fire, and the device is including advancing cap, firing pin, linking sleeve, arousing the powder column, throwing the cartridge bag, passing and exploding powder column, insurance pull ring, safety catch, explosive, throw storehouse casing and fire extinguishing agent, uses the utility model discloses during the device, can keep away from the burning things which may cause a fire disaster operation to it is not high to user's operation technology level requirement, can realize well remote throwing, avoid causing indirect damage with the closely contact of burning things which may cause a fire disaster. The utility model discloses simple structure, quality are merrily and lightheartedly, easy operation to through adding the quantity that adds the propellant bag and control the propellant distance.

Description

Cast type fire extinguisher

Technical Field

The utility model relates to a fire extinguishing tool technical field, concretely relates to throw formula fire extinguisher.

Background

At present, most fire extinguishing devices reserved in public places are portable dry powder fire extinguishers, and when the fire extinguishing devices are used, the fire extinguishing devices are close to fire sources, operators are often easily threatened by fire, in addition, the dry powder fire extinguishers also need to be familiar with certain operation procedures, and people often have no time to carefully read the specific operation procedures in case of emergency fire, so that the best rescue and escape time is missed. Moreover, most dry powder extinguishers have large mass, high physical requirements on operators, small mass and small built-in dry powder extinguishers, and cannot achieve expected effects, so that a novel extinguishment tool which is light in mass, simple to operate and capable of being thrown at medium and long distances is needed.

SUMMERY OF THE UTILITY MODEL

In order to realize the aim, the utility model provides a projection type fire extinguisher, which comprises a propelling cap, a firing pin, a linking sleeve, an excitation explosive column, a projection explosive bag, a booster explosive column, a safety pull ring, a safety pin, an explosive, a projection cabin shell and a fire extinguishing agent, wherein the firing pin is arranged on the lower surface of a top plate of the propelling cap, the propelling cap is connected with one end of the connecting sleeve, the safety pull ring is inserted in a through hole which is coaxially arranged on the propelling cap, the connecting sleeve and the firing pin, the safety pin is arranged on the safety pull ring, the other end of the connecting sleeve is fixedly arranged with the top plate at the sealing end of the projection explosive cabin, a round hole I is arranged at the center of the top plate at the sealing end of the projection explosive cabin, the excitation explosive column is arranged in the round hole I, the opening end of the projection explosive cabin is fixedly arranged with one end of the projection cabin shell, a partition plate is arranged at the, the explosive transfer column is positioned on the outer wall of one end in the propellant cabin, a plurality of propellant bags are symmetrically arranged on the outer wall of one end in the propellant cabin, the end part of the explosive transfer column positioned at one end of the propellant cabin is tightly attached to the excitation column, a cavity formed between the partition plate and the propellant cabin shell is filled with a fire extinguishing agent, the center of the fire extinguishing agent is provided with the explosive column, and the explosive column is tightly attached to the end part of the explosive transfer column positioned at one end of the propellant cabin shell.

The propelling cap and the throwing bin shell are made of hard plastics, and the firing pin, the connecting sleeve, the safety pull ring and the safety pin are made of thin steel plates.

The mass of the explosive of the propellant charge is 0.1-0.2 g/piece, the mass of the explosive of the excitation charge and the booster charge is 0.05-0.15g, and the mass of the explosive charge is 0.1-0.2 g.

Four sliding rails are evenly arranged on the inner wall of the propelling cap along the circumferential direction, four sliding grooves matched with the sliding rails are evenly arranged on the outer wall of the connecting sleeve along the circumferential direction, the sliding grooves are wedge-shaped sliding grooves, the length of each sliding groove is smaller than that of the corresponding connecting sleeve, and the large ends of the sliding grooves extend to the end face of a top plate of the propellant cabin.

The utility model has the advantages that:

1. use the utility model discloses during the device, can keep away from the fire source operation to the operation technical level requirement to the user is not high, can realize well remote projection, avoids closely contacting with the fire source and causes indirect damage.

2. The utility model discloses simple structure, quality are merrily and lightheartedly, easy operation to through adding the quantity that adds the propellant bag and control the propellant distance.

3. The mass of the explosive of the propellant charge is 0.1-0.2 g/piece, the mass of the explosive of the excitation charge and the booster charge is 0.05-0.15g, the mass of the explosive charge is 0.1-0.2g, and the safety of a user is ensured under the condition that the propellant cabin and the propellant cabin shell are normally separated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the propulsion cap of the present invention;

FIG. 3 is a schematic view of a-a of the propulsion cap of the present invention;

figure 4 is a schematic structural view of the connecting sleeve and the propellant chamber of the present invention;

FIG. 5 is a schematic view of a coupling sleeve b-b of the present invention;

the fire extinguishing device comprises a propelling cap, 2-firing pins, 3-connecting sleeves, 4-exciting explosive columns, 5-propellant charges, 6-booster explosive columns, 7-safety pull rings, 8-safety pins, 9-explosive columns, 10-propellant cabin shells, 11-fire extinguishing agents, 12-propellant cabins and 13-partition plates.

Detailed Description

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

Example 1

As shown in figures 1-5, a throwing type fire extinguisher comprises a propelling cap 1, a firing pin 2, a connecting sleeve 3, an excitation powder column 4, a throwing powder bag 5, a booster powder column 6, a safety pull ring 7, a safety pin 8, explosive 9, a throwing bin shell 10, fire extinguishing agent 11 and a throwing powder cabin 12, wherein the firing pin 2 is arranged on the lower surface of a top plate of the propelling cap 1, the propelling cap 1 is connected with a slide rail on the outer wall of one end of the connecting sleeve 3 in a sliding way through a slide groove on the inner wall of the propelling cap 1, the safety pull ring 7 penetrates through holes coaxially arranged on the propelling cap 1, the connecting sleeve 3 and the firing pin 2, the safety pull ring 7 is provided with the safety pin 8, the fixed connecting sleeve 3 and the propelling cap 1 are used by matching the safety pin 8 and the safety pull ring 7, the other end of the connecting sleeve 3 is fixedly arranged with the top plate at the throwing end of the throwing powder cabin 12, an excitation explosive column 4 is arranged in the round hole I, the opening end of the propellant cabin 12 is fixedly installed with the propellant cabin shell 10 through riveting with the outer edge of one end of the propellant cabin shell 10 through the inner edge of the opening end, a partition plate 13 is arranged on the inner wall of the propellant cabin shell 10 at the lower end of the propellant cabin 12, a round hole II is arranged at the center of the partition plate 13, an explosion transfer explosive column 6 is arranged in the round hole II, a plurality of propellant powder bags 5 are symmetrically installed on the outer wall of one end of the propellant powder cabin 12, the propellant powder distance is controlled by changing the number of the propellant powder bags 5, the end part of the explosion transfer explosive column 6 at one end of the propellant cabin 12 is tightly attached to the excitation explosive column 4, a cavity body formed between the partition plate 13 and the propellant cabin shell 10 is filled with a fire extinguishing agent 11, a explosive column 9 is arranged at the center of the fire extinguishing agent 11, the explosive column 9 and the end part of the explosion transfer explosive column 6 at one end of the, the mass of the explosives of the excitation explosive column 4 and the mass of the explosives of the booster explosive column 6 are both 0.1g, and the mass of the explosives of the explosive column 9 is 0.15 g.

The propelling cap 1 and the projecting bin shell 10 are made of hard plastics, the whole weight of the fire extinguisher is guaranteed to be light, meanwhile, the medicine loading amount is reduced, the injury to an operator is avoided, the firing pin 2, the connecting sleeve 3, the safety pull ring 7 and the safety pin 8 are made of thin steel plates, and the use safety of the fire extinguisher device is guaranteed.

Impel 1 inner wall of cap and evenly seted up four slide rails along circumference, connecting sleeve 3 outer wall evenly seted up four and slide rail complex spouts along circumference, four slide rails and the setting of spout firstly guarantee gliding stability, secondly avoid the processing platform complicated, the spout is the wedge spout, and setting up of wedge spout prevents to pull out behind insurance pull ring 7, impels cap 1 to slide along the spout, and hit 2 mistake collisions of firing pin and arouse the explosive column 4, and the length of spout is less than connecting sleeve 3's length, and the spout main aspects extends to the roof terminal surface of throwing medicine cabin 12, prevents to impel cap 1 slippage from the spout.

The utility model discloses a use method does: firstly pulling out a safety pin 8 and pulling out a safety pull ring 7, holding a propellant powder cabin 12 with one hand, forcefully pushing a towing cap 1 with the other hand to enable a striker 2 to be in contact with an excitation powder column 4, igniting the excitation powder column 4, transmitting energy from the excitation powder column 4 to a booster powder column 6 and igniting the propellant powder 5 from top to bottom, burning the propellant powder 5 in the propellant powder cabin 12 to generate high-pressure gas, applying thrust to the upper surface of a propellant powder cabin shell 10 by the high-pressure gas, wherein the propellant powder shell 10 is made of hard plastic and has certain elasticity and is insufficient to crush a top plate on the propellant powder cabin shell 10, but under the action of the thrust, generating stress concentration at the riveting part of the propellant powder cabin 10 and the propellant powder cabin 12 and cutting off the riveting part, then throwing out the cabin shell 10 containing a fire extinguishing agent 11 by the high-pressure gas generated by burning the propellant powder 5, and simultaneously, transmitting the energy to the propellant powder column 9 by the booster powder column 6, the explosive column 9 is excited to explode, and the fire extinguishing agent 11 contained in the projectile bin shell 10 is dispersed in a fire source to complete fire extinguishing.

Claims

1. A throwing type fire extinguisher is characterized by comprising a propelling cap, a firing pin, a linking sleeve, an excitation explosive column, a throwing explosive bag, a booster explosive column, a safety pull ring, a safety pin, explosive, a throwing cabin shell and a fire extinguishing agent, wherein the firing pin is arranged on the lower surface of a top plate of the propelling cap, the propelling cap is connected with one end of the connecting sleeve, the safety pull ring penetrates through a through hole formed by the propelling cap, the connecting sleeve and the firing pin in a coaxial mode, the safety pull ring is provided with the safety pin, the other end of the connecting sleeve is fixedly installed with the top plate at the sealing end of the throwing explosive cabin, a round hole I is formed in the center of the top plate at the sealing end of the throwing explosive cabin, the excitation explosive column is arranged in the round hole I, the opening end of the throwing explosive cabin is fixedly installed with one end of the throwing cabin shell, a partition plate is arranged on the inner wall of the throwing cabin shell at the lower end of the throwing explosive cabin, a round hole II is, the end part of the booster charge column, which is positioned at one end of the propellant cabin, is tightly attached to the excitation charge column, a cavity formed between the partition plate and the propellant cabin shell is filled with a fire extinguishing agent, a explosive column is arranged at the center of the fire extinguishing agent, and the explosive column is tightly attached to the end part of the booster charge column, which is positioned at one end of the propellant cabin shell;

2. A projectile fire extinguisher as claimed in claim 1, wherein: the propelling cap and the throwing bin shell are made of hard plastics, and the firing pin, the connecting sleeve, the safety pull ring and the safety pin are made of thin steel plates.

3. A projectile fire extinguisher as claimed in claim 1, wherein: four sliding rails are evenly arranged on the inner wall of the propelling cap along the circumferential direction, four sliding grooves matched with the sliding rails are evenly arranged on the outer wall of the connecting sleeve along the circumferential direction, the sliding grooves are wedge-shaped sliding grooves, the length of each sliding groove is smaller than that of the corresponding connecting sleeve, and the large ends of the sliding grooves extend to the end face of a top plate of the propellant cabin.