CN212730778U

CN212730778U - Aerating device and fire extinguisher applying same

Info

Publication number: CN212730778U
Application number: CN202021130105.6U
Authority: CN
Inventors: 金雪根; 金述平
Original assignee: Hangzhou Jinlan Fire Technology Co ltd
Current assignee: Hangzhou Jinlan Fire Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-19
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an aerating device uses the fire extinguisher of the device promptly, aerating device includes cylinder body, high-pressure cylinder, is equipped with the passageway in the cylinder body, the bottleneck and the passageway one end of high-pressure cylinder are connected, the passageway is from bottom to top including first passageway, second passageway and third passageway, and the bore of first passageway is greater than the bore of second passageway, and the bore of second passageway is greater than the bore of third passageway, and the bottleneck and the lower extreme of first passageway of high-pressure cylinder are connected, and the radial of first passageway is equipped with the gas outlet, and its internal axial is equipped with the piston, and the top location is provided with circular telegram and triggers formula gas production subassembly in the second passageway; a sliding block is arranged between the piston and the opening of the high-pressure gas cylinder, and the lower end of the sliding block is provided with a collision tip. The utility model discloses rational in infrastructure, the preparation is convenient, establishes the passageway of three steps in the adoption, and piston connection is in first passageway, and the bore of first passageway is greater than second passageway bore to form first step, this first step can form sealedly with the piston edge as the spacing portion of piston.

Description

Aerating device and fire extinguisher applying same

Technical Field

The utility model relates to an aerating device and applied device's fire extinguisher.

Background

An inflator in the prior art, as disclosed in patent publication CN202911694U, discloses an electrically controlled inflator, which comprises a striker, a gas generating agent, an electric igniter, a combustion chamber, a striker operating cylinder, and a gas cylinder, the firing pin operation cylinder is provided with an inner cavity and an air outlet communicated with the inner cavity, the air storage bottle is provided with a bottle mouth, the bottle mouth of the gas storage bottle is provided with a sealing foil for sealing the bottle mouth, the firing pin comprises a piston part, a rod part and a needle-shaped part which are connected in sequence, the combustion chamber and the gas storage cylinder are arranged at two ends of the firing pin operation cylinder, the gas producing medicine and the electric heating igniter are arranged in the combustion chamber, the firing pin is arranged in the inner cavity of the firing pin operating cylinder, the piston part of the firing pin is arranged corresponding to the gas producing medicine in the combustion chamber, the needle-shaped part of the firing pin is arranged corresponding to the sealing foil of the gas cylinder, and the firing pin moves towards the gas cylinder under the driving of the gas producing medicine ignited by the electric heating igniter. The disadvantages are as follows: the structure is complicated, the tail part of the firing pin operation cylinder is also provided with the head part internally provided with the electric heating igniter and the gas producing medicine, and the positioning ring is arranged in the firing pin operation cylinder, so that the manufacturing cost is high, the installation difficulty of the firing pin and the positioning ring is large, and the safety is greatly reduced due to the split structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an aerating device and applied device's fire extinguisher.

The utility model discloses a realize like this, provide an aerating device, including cylinder body, high-pressure gas cylinder, be equipped with the passageway in the cylinder body, the bottleneck and the passageway one end of high-pressure gas cylinder are connected, the passageway is by lower supreme including first passageway, second passageway and third passageway, the bore of first passageway is greater than the bore of second passageway, the bore of second passageway is greater than the bore of third passageway, the bottleneck and the lower extreme of first passageway of high-pressure gas cylinder are connected, the radial of first passageway is equipped with the gas outlet, its internal axial is equipped with the piston, the top location is provided with circular telegram trigger type gas production subassembly in the second passageway, circular telegram trigger type gas production subassembly includes electrically conductive lead wire, blocks the stopper, block the stopper and put in the second passageway, electrically conductive lead wire blocks the stopper and pierces through to the cylinder body outside; a sliding block is arranged between the piston and the opening of the high-pressure gas cylinder, and the lower end of the sliding block is provided with a collision tip.

Furthermore, a tower-shaped spring is arranged between the sliding block and the opening of the high-pressure gas cylinder.

Furthermore, the power-on triggered gas production assembly further comprises a bridge wire and a gas production drug, the conductive lead comprises an anode lead and a cathode lead, the lower ends of the anode lead and the cathode lead respectively downwards penetrate through the blocking plug and then are electrically connected in series through the bridge wire, and the gas production drug is wrapped outside the bridge wire and is positioned on the lower side of the blocking piece.

Further, the blocking plug is a rubber plug.

Furthermore, an inner thread is formed in the inner wall of the lower end of the first channel, a first outer thread is radially arranged on the upper end bottle opening of the high-pressure gas bottle, and the upper end bottle opening of the high-pressure gas bottle is in threaded connection with the lower end of the first channel.

Further, the cylinder body is cylindrical, a screw head is arranged at the upper end of the cylinder body, and second external threads are radially arranged at the upper end of the cylinder body.

Further, the screw head is an inner hexagon or an outer hexagon.

Furthermore, the side of the air outlet, which is positioned outside the cylinder body, is sealed and bonded with a sealing film.

The utility model provides an use aerating device's fire extinguisher, is equipped with the jar body of fire extinguishing agent in including, jar external spray tube rather than inside intercommunication that is equipped with, jar body upper end is equipped with the installation screw, gas cylinder and cylinder body lower extreme stretch into in jar internal, and the sealed soon of cylinder body upper end second external screw thread and installation screw connects, and electrically conductive lead wire is drawn forth by the cylinder body top and is connected with condition of a fire monitoring circuit electric connection.

Furthermore, a joint is arranged at the upper end of the tank body, an inner pipe is arranged in the tank body, an outer pipe is arranged outside the inner pipe, one end of the inner pipe is communicated and connected with one end, located in the tank body, of the joint, one end of the outer pipe is communicated and connected with one end, located outside the tank body, of the joint, a sealing explosion-proof sheet is arranged in the middle of the joint, and one ends of the inner pipe and the outer pipe are communicated and.

Compared with the prior art, the utility model discloses an aerating device, rational in infrastructure, the preparation is convenient, adopts the passageway of establishing three steps in, and the piston is connected in first passageway, and the bore of a passageway is greater than the bore of second passageway to form first step, this first step is as the spacing portion of piston, and this first step and piston edge can form sealedly; the diameter of the second channel is larger than that of the third channel, and a second step is formed, so that the electrified triggering type gas generating assembly is limited in the second channel through the second step, and the third channel only needs to be led out of the cylinder body by a conductive lead; on the basis, the edge of the blocking plug and the second step form sealing through the arrangement of the blocking plug, the sealing performance of the peripheral side of the blocking plug is further ensured, gas generated after the gas producing medicine is combusted and exploded firstly acts towards the piston, the sliding block and the impact tip act on the bottle opening of the high-pressure gas bottle, the bottle opening is broken through the impact tip, then the sliding block and the piston are reversely pushed by the gas in the high-pressure gas bottle, at the moment, a lead on the third channel and the blocking plug penetrates through the hole and is used for exhausting in the resetting process of the sliding block and the piston, and once the resetting is completed, the first step and the piston, the piston and the second channel, and the second step and the blocking plug form sealing effects, so that the gas released in the high-pressure gas bottle is; the safety of the device is ensured; the utility model has the characteristics of the practicality is strong, simple to operate, cost of manufacture low grade.

Drawings

FIG. 1 is a schematic perspective view of the inflator of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the cylinder body of the inflator;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

fig. 7 is a schematic view of the principle structure of a fire extinguisher using the gas filling device.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, an inflator includes a cylinder body 1 and a high pressure gas cylinder 2, a channel is arranged in the cylinder body 1, a mouth of the high pressure gas cylinder 2 is connected with one end of the channel, the channel includes a first channel 31, a second channel 32 and a third channel 33 from bottom to top, a caliber of the first channel 31 is larger than a caliber of the second channel 32, a caliber of the second channel 32 is larger than a caliber of the third channel 33, the mouth of the high pressure gas cylinder 2 is connected with a lower end of the first channel 31, a gas outlet 34 is radially arranged on the first channel 31, a piston 4 is axially arranged in the first channel 31, an electrifying trigger type gas generating assembly 5 is positioned at the top in the second channel 32, the electrifying trigger type gas generating assembly 5 includes a conductive lead 51 and a blocking plug 54, the blocking plug 54 is arranged in the second channel, and the conductive lead 51 penetrates through the third channel 33 to; a slide block 6 is arranged between the piston 4 and the mouth of the high-pressure gas cylinder 2, and the lower end of the slide block 6 is provided with a collision tip 61.

And a tower-shaped spring 7 is arranged between the sliding block 6 and the opening of the high-pressure gas cylinder 2. The step between the first passage 31 and the second passage 32 constitutes a first step, and the step surface between the second passage 32 and the third passage 33 constitutes a second step.

The electrifying triggering type gas production assembly 5 further comprises a bridge wire 52 and a gas production medicine 53, the conductive lead 51 comprises an anode lead and a cathode lead, the lower ends of the anode lead and the cathode lead respectively downwards penetrate through the blocking plug 54 and then are electrically connected in series through the bridge wire 52, the gas production medicine 53 is wrapped outside the bridge wire 52 and is positioned at the lower side of the blocking piece 54, and then sufficient space is reserved outside the gas production medicine 53 at the lower side of the blocking plug 54 in the second channel 32 for the gas after the gas production medicine 53 is exploded and the gas can impact the piston 4. The blocking plug 54 is a high temperature resistant rubber plug. Preferably a high temperature resistant rubber stopper made of polyamide. The bridge wire 52 and the gas production powder 53 form a structure, namely an electric ignition head structure, which is widely used for automatic ignition of firework setting off, the gas production powder 53 can be potassium trinitrobenzene, the bridge wire 52 is electrified and the temperature of the bridge wire is increased, so that the gas production powder 53 is exploded to generate gas to impact the piston 4 to move towards the bottle opening of the high-pressure gas bottle 2 along the first channel 31, the impact tip 61 on the sliding block 6 is enabled to break the bottle opening of the high-pressure gas bottle 2, then the gas impact piston 4, the sliding block 6 and the impact tip 61 in the high-pressure gas bottle are reset upwards, as the third channel 33 is only used for penetrating a conductive lead, a large amount of gas generated after the gas production powder 53 is combusted firstly impacts the piston to move downwards, then the high-pressure gas piece piston is pushed upwards, the third channel 33 at the moment is used as an exhaust port, and the gas generated after the gas production powder 53 is. The edge of the blocking plug 54 and the second step form sealing, and the gas production medicine is prevented from being exploded and impacted on the third channel, namely, the lower ends of the anode lead and the cathode lead respectively downwards penetrate through the blocking plug 54, the penetrating openings of the anode lead and the cathode lead are smaller than the third channel 33, and a certain gap is formed between the blocking plug 54 and the inner wall of the second channel; after the gas production medicine is combusted and exploded, after the piston finishes downward impact action, the high-pressure gas cylinder discharges gas to enable the piston to move upwards, at the moment, the piston is reset action, a gap between the blocking plug 54 and the inner wall of the second channel 32 and the third channel 33 serve as an exhaust port or an exhaust gap, so that the piston 4 can finish resetting, and the edge of the piston 4 can finish sealing and clinging to the first step.

An inner thread 311 is formed on the inner wall of the lower end of the first passage 31, a first outer thread 21 is radially formed on the upper end of the high-pressure gas cylinder 2, and the upper end of the high-pressure gas cylinder is screwed with the lower end of the first passage 31.

The cylinder body 1 is cylindrical, the end part of the upper end of the cylinder body is provided with a screw head 11, and the upper end of the cylinder body is radially provided with a second external thread 12. The screw head 11 is an inner hexagon or an outer hexagon. The air outlet 34 is positioned at one side outside the cylinder body 1 and is sealed and bonded with a sealing film.

Example 2: referring to fig. 1-6, based on embodiment 1, a fire extinguisher using the gas charging device comprises a tank 9 with a fire extinguishing agent 10 therein, a spray pipe communicated with the interior of the tank 9 is arranged outside the tank 9, an installation screw hole 92 is arranged at the upper end of the tank 9, the lower ends of the high-pressure gas cylinder 2 and the cylinder 1 extend into the tank 9, a second external thread 12 at the upper end of the cylinder 1 is screwed and sealed with the installation screw hole 92, and a conductive lead 51 is led out from the top of the cylinder 1 and electrically connected with a fire monitoring circuit 100. The upper end of the tank body 9 is provided with a joint 94, the tank body 9 is internally provided with an inner pipe 91, the outer part of the inner pipe is provided with an outer pipe 93, one end of the inner pipe 91 is communicated and connected with one end of the joint 94 positioned in the tank body 9, one end of the outer pipe 93 is communicated and connected with one end of the joint 94 positioned outside the tank body 9, a sealing explosion-proof sheet 95 is arranged in the middle of the joint 94, and one ends of the inner pipe 91 and the outer pipe 93 are. The sealing explosion-proof sheet adopts a sealing explosion-proof aluminum foil sheet, the purpose of the sealing explosion-proof sheet is to prevent the fire extinguishing agent 10 in the tank body 9 from flowing out or evaporating to the outside of the tank body 9, and when the gas in the high-pressure gas cylinder bursts into the tank body 9, the fire extinguishing agent impacts and breaks the sealing explosion-proof sheet under the high-pressure condition, so that the fire extinguishing agent is sprayed out of the tank body 9 through the joint to the outer pipe along the inner pipe. The sealing film is sealed and bonded on one side of the gas outlet 34, which is positioned outside the cylinder body 1, so that the fire extinguishing agent 10 is prevented from permeating into the cylinder body from the gas outlet, the action of the piston 4, the slide block 6 and the collision tip 61 along the first channel towards the opening of the high-pressure gas cylinder is influenced, the sealing film can be a sealing aluminum foil, and after the opening of the high-pressure gas cylinder 2 is broken, the gas inside the sealing film is impacted through the gas outlet to cause the sealing film to lose efficacy, and then the gas enters the cylinder body 9.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An inflation device comprises a cylinder body (1) and a high-pressure gas cylinder (2), wherein a channel is arranged in the cylinder body (1), the opening of the high-pressure gas cylinder (2) is connected with one end of the channel, and the inflation device is characterized in that the channel comprises a first channel (31), a second channel (32) and a third channel (33) from bottom to top, the caliber of the first channel (31) is larger than that of the second channel (32), the caliber of the second channel (32) is larger than that of the third channel (33), the opening of the high-pressure gas cylinder (2) is connected with the lower end of the first channel (31), an air outlet (34) is arranged in the radial direction of the first channel (31), a piston (4) is axially arranged in the first channel, an electrified triggering type gas generation assembly (5) is positioned at the top in the second channel (32), the electrified triggering type gas generation assembly (5) comprises a conductive lead (51) and a blocking plug (54), and the, the conductive lead (51) penetrates from the third channel (33) to the outside of the cylinder body (1) through the blocking plug (54); a sliding block (6) is arranged between the piston (4) and the opening of the high-pressure gas cylinder (2), and the lower end of the sliding block (6) is provided with a collision tip (61).

2. The inflator according to claim 1, wherein a tower spring (7) is provided between the slider (6) and the opening of the high-pressure gas cylinder (2).

3. The inflator device according to claim 1, wherein the energized triggered gas generation assembly (5) further comprises a bridge wire (52) and a gas generation agent (53), the conductive lead (51) comprises a positive lead and a negative lead, the lower ends of the positive lead and the negative lead respectively penetrate through the blocking plug (54) downwards and then are electrically connected in series through the bridge wire (52), and the gas generation agent (53) is wrapped outside the bridge wire (52) and is located on the lower side of the blocking plug (54).

4. The inflator device according to claim 3, wherein the blocking plug (54) is a rubber plug.

5. The inflator according to claim 1, wherein the inner wall of the lower end of the first passage (31) is provided with an internal thread (311), the upper end opening of the high-pressure gas cylinder (2) is radially provided with a first external thread (21), and the upper end opening is screwed with the lower end of the first passage (31).

6. The inflator according to claim 1, wherein the cylinder body (1) has a cylindrical shape, and an upper end portion thereof is provided with a screw head (11) and an upper end portion thereof is radially provided with a second external thread (12); the screw head (11) is an inner hexagon or an outer hexagon.

7. The inflator according to claim 1, wherein the outlet (34) is sealed and adhered with a sealing film (35) at the outer side of the cylinder body (1).

8. A fire extinguisher using the gas filling device according to any one of claims 1 to 7, characterized by comprising a tank body (9) in which a fire extinguishing agent (10) is arranged, a spray pipe communicated with the interior of the tank body (9) is arranged outside the tank body (9), a mounting screw hole (92) is arranged at the upper end of the tank body (9), the high-pressure gas cylinder (2) and the lower end of the cylinder body (1) extend into the tank body (9), a second external thread (12) at the upper end of the cylinder body (1) is in sealed screwed connection with the mounting screw hole (92), and a conductive lead (51) is led out from the top of the cylinder body (1) and is electrically connected with a fire monitoring circuit (100).

9. A fire extinguisher according to claim 8, characterized in that a joint (94) is arranged at the upper end of the tank body (9), an inner pipe (91) is arranged in the tank body (9), an outer pipe (93) is arranged outside the inner pipe, one end of the inner pipe (91) is communicated and connected with one end of the joint (94) positioned in the tank body (9), one end of the outer pipe (93) is communicated and connected with one end of the joint (94) positioned outside the tank body (9), a sealing explosion-proof sheet (95) is arranged in the middle of the joint (94), and one ends of the inner pipe (91) and the outer pipe (93) are communicated and connected with the joint (94.