CN204767108U - Fire extinguisher of piston river system fire extinguishing agent - Google Patents

Abstract

The utility model discloses a fire extinguisher for a piston-type water system fire extinguishing agent, which comprises a fire extinguishing agent storage device and a nitrogen eruption device. The fire extinguishing agent storage device and the nitrogen eruption device are connected through pipelines. Trigger device, the fire extinguishing agent storage device includes a fire extinguishing agent tank and a piston located in the fire extinguishing agent tank, the bottle mouth of the gas storage bottle is provided with a trigger device, and the gas outlet joint of the trigger device passes through the conduit and the inside of the lower end of the fire extinguishing agent tank connected. The beneficial effects of the utility model are mainly that there is a faster fire extinguishing agent speed, which can quickly extinguish the fire; because the storage tank and the nitrogen propellant tank are separated, it can be conveniently distributed and installed according to different spaces; After the eruption, it is in the normal atmospheric pressure state, so the device is very convenient for maintenance and refilling of fire extinguishing agent; it will not cause harm to the human body during eruption.

Description

Fire extinguisher with piston type water system fire extinguishing agent

technical field

The utility model relates to the technical field of fire extinguishing appliances, in particular to a device for storing water-based fire extinguishing agents and driving the fire extinguishing agents to erupt.

Background technique

Existing liquid fire extinguishing agent storage tank adopts the mode of pressurized storage, and sprays fire extinguishing agent by pressure when releasing. However, with this storage and eruption method, the eruption speed will slow down over time, and there will be residual fire extinguishing agent in the storage tank, thereby causing waste of fire extinguishing agent, and the pressure eruption method may have a negative effect on the fire extinguishing agent during the eruption process. Dangerous to the human body.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a fire extinguisher with a piston type water system fire extinguishing agent.

In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model to solve the technical problems is: the fire extinguisher of the piston type water system fire extinguishing agent, including the fire extinguishing agent storage device and the nitrogen gas eruption device, and the fire extinguishing agent storage device and the nitrogen gas eruption device are connected through pipelines , the nitrogen eruption device comprises a gas cylinder and a trigger device, the fire extinguishing agent storage device comprises a fire extinguishing agent tank and a piston located in the fire extinguishing agent tank, the bottle mouth of the gas storage cylinder is provided with a trigger device, the lower end of the trigger device It is closely connected with the mouth of the gas cylinder through the joint of the gas storage cylinder, the middle side wall of the trigger device is closely connected with the gas outlet joint, and the top of the trigger device is provided with a blast trigger device, which is connected to the external controller through the detonation cable Electrically connected, the gas outlet joint of the trigger device communicates internally with the lower end of the fire extinguishing agent tank through a conduit, the piston set in the fire extinguishing agent tank separates the inner chamber of the fire extinguishing agent tank into two parts, and the piston is provided with a first valve core assembly , the first valve core assembly on the piston is arranged in the middle of the piston, and the thimble of the valve core assembly is higher than the upper end surface of the piston, the upper end of the fire extinguishing agent tank is provided with an upper joint, and the upper joint is connected to the upper end of the fire extinguishing agent tank A reed is sealed and plugged in the through hole, and the outlet of the upper joint communicates with the atmosphere.

Further speaking, the lower end of the fire extinguishing agent tank is fastened and sealed with a lower end cover, and a direct head is tightly connected to the lower end cover. One end of the direct head is connected to the conduit, and the other end is internally connected to the lower end of the fire extinguishing agent tank; the fire extinguishing agent The upper end of the tank body is fastened and sealed with an upper end cover, and the upper end cover is tightly connected with the fire extinguishing agent tank body through flat gaskets, spring washers, O-rings and hexagon socket flange head bolts.

Further speaking, a Y-shaped sealing ring is used for dynamic sealing between the piston and the inner wall of the fire extinguishing agent tank.

Further speaking, the upper joint is screwed into the stepped hole provided in the middle of the upper end cover of the fire extinguishing agent tank, the reed is crimped on the annular step in the stepped hole through the pressure ring, and the side wall in the middle of the upper joint A second valve core assembly is provided, and one end of the second valve core assembly communicates with the middle passage in the upper joint, and the other end communicates with the atmosphere.

Furthermore, an outer protective shell is sheathed on the periphery of the fire extinguishing agent tank.

Compared with the prior art, the beneficial effect of the utility model is that: the fire extinguishing agent can be extinguished quickly due to faster spraying speed of the fire extinguishing agent; since the storage tank and the nitrogen propellant tank are separated, it can be conveniently distributed according to different spaces Since the storage and eruption are under normal atmospheric pressure, the device is very convenient for maintenance and refilling of fire extinguishing agent; it will not cause harm to the human body during eruption.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a schematic diagram of a partially enlarged structure of A in FIG. 1;

Fig. 3 is a schematic structural diagram at B-B of Fig. 1 .

In the figure, 1-gas storage cylinder; 2-fire extinguishing agent tank; 3-trigger device; 4-pipe; 5-upper joint; 6-piston; 7-gas storage cylinder joint; 8-gas outlet joint; 9-blasting Initiating device; 10-detonating cable; 11-reed; 12-lower end cap; 13-upper end cap; 14-pressure ring; 15-second valve core assembly; 16-outer shell.

Detailed ways

Below in conjunction with the specific embodiment of the utility model, the utility model is described in detail, the fire extinguisher of the piston type water system fire extinguishing agent shown in Fig. 1-Fig. The eruption devices are connected by pipelines. The nitrogen eruption device includes a gas storage bottle 1 and a trigger device 3. The fire extinguishing agent storage device includes a fire extinguishing agent tank 2 and a piston 6 located in the fire extinguishing agent tank 2. The gas storage The bottle mouth of the bottle 1 is provided with a trigger device 3, the lower end of the trigger device 3 is closely connected with the bottle mouth of the gas storage bottle 1 through the gas storage bottle joint 7, and the middle side wall of the trigger device 3 is closely connected with an air outlet joint 8, triggering The top of the device 3 is provided with a blast triggering device 9, the blast triggering device 9 is electrically connected to an external controller through a detonating cable 10, and the gas outlet joint 8 of the trigger device 3 communicates with the lower end of the fire extinguishing agent tank 2 through a conduit 4. The piston 6 provided in the fire extinguishing agent tank 2 divides the inner cavity of the fire extinguishing agent tank 2 into two parts, the piston 6 is provided with a first valve core assembly, and the first valve core assembly on the piston 6 is arranged on the piston 6 and the thimble of the valve core assembly is higher than the upper end surface of the piston 6, and the upper end of the fire extinguishing agent tank 2 is provided with an upper joint 5, and the upper joint 5 is sealed and plugged with a spring in the through hole communicated with the upper end of the fire extinguishing agent tank 2. Sheet 11, the outlet of upper joint 5 communicates with atmosphere.

In a preferred embodiment of the present utility model, the lower end of the fire extinguishing agent tank body 2 is fastened and sealed with a lower end cover 12, and a direct head is tightly connected to the lower end cover 12. One end of the direct head is connected with the conduit 4, and the other end is connected with the fire extinguishing agent. The lower end of the tank body 2 is internally connected; the upper end of the fire extinguishing agent tank body 2 is fastened and sealed with an upper end cover 13, and the upper end cover 13 is connected to the fire extinguishing agent tank body through flat washers, spring washers, O-rings, and hexagon socket flange head bolts. 2. Tightly connected; the piston 6 and the inner wall of the fire extinguishing agent tank 2 are dynamically sealed by a Y-shaped sealing ring.

In a preferred embodiment of the present utility model, the upper joint 5 is screwed into the stepped hole provided in the middle of the upper end cover 13 of the fire extinguishing agent tank body 2, and the reed 11 is crimped into the annular ring in the stepped hole through the pressure ring 14. On the step, a second valve core assembly 15 is provided on the side wall of the middle part of the upper joint 5, and one end of the second valve core assembly 15 communicates with the middle passage in the upper joint 5, and the other end communicates with the atmosphere; the fire extinguishing agent tank 2 The outer sheath is provided with an outer protective shell 16 .

Compared with the prior art, the utility model has the following advantages: 1. faster eruption fire extinguishing agent speed is arranged, and fire can be extinguished rapidly; Tank) can be separated according to different spaces for distributed installation; 3. Since the storage and after eruption are in the normal atmospheric pressure state, the device is very convenient for maintenance and refilling of fire extinguishing agent; It will cause harm to the human body; 5. The device can empty all the fire extinguishing agent in a short time without causing fire extinguishing agent residue; 6. Most parts of the utility model device are made of aluminum processing, which is high in strength, light in weight, and convenient Handling and transportation; 7. The liquid outlet of the fire extinguishing agent storage device (storage tank) adopts a reed structure, which is simple and reliable, and has the advantages of convenient filling, good sealing, and prevention of volatilization; 8. The fire extinguishing agent storage device (storage tank body) consists of an outer protective shell 16 (outer guard plate) and a fire extinguishing agent tank 2, and the liquid in the bottle is less affected by the external temperature; Under the premise, the guidance of the piston movement can be increased and the blockage can be reduced.

Claims (5)

1. The fire extinguisher of piston type water system fire extinguishing agent is characterized in that: comprise fire extinguishing agent storage device and nitrogen eruption device, be connected by pipeline between fire extinguishing agent storage device and nitrogen eruption device, described nitrogen eruption device comprises gas storage bottle (1 ) and a trigger device (3), the fire extinguishing agent storage device includes a fire extinguishing agent tank (2) and a piston (6) located in the fire extinguishing agent tank (2), and the mouth of the gas cylinder (1) is provided with a trigger device (3), the lower end of the trigger device (3) is closely connected with the bottle mouth of the gas cylinder (1) through the gas cylinder joint (7), and the middle side wall of the trigger device (3) is tightly connected with the gas outlet joint ( 8), the top of the trigger device (3) is provided with a blast trigger device (9), the blast trigger device (9) is electrically connected to the external controller through the detonation cable (10), and the gas outlet connector (8) of the trigger device (3) ) communicates with the lower end of the fire extinguishing agent tank (2) through a conduit (4), and the piston (6) provided in the fire extinguishing agent tank (2) divides the inner chamber of the fire extinguishing agent tank (2) into two parts, The piston (6) is provided with a first valve core assembly, the first valve core assembly on the piston (6) is arranged in the middle of the piston (6), and the thimble of the valve core assembly is higher than the upper side of the piston (6) On the end face, the upper end of the fire extinguishing agent tank (2) is provided with an upper joint (5), and the upper joint (5) is sealed and plugged with a reed (11) in the through hole communicated with the upper end of the fire extinguishing agent tank (2), and the upper joint ( 5) The outlet is connected to the atmosphere. 2. The fire extinguisher of piston type water system fire extinguishing agent according to claim 1, characterized in that: the lower end of the fire extinguishing agent tank (2) is fastened and sealed with a lower end cover (12), and the lower end cover (12) is tightly connected There is a direct head, one end of the direct head is connected to the conduit (4), and the other end is internally communicated with the lower end of the fire extinguishing agent tank (2); the upper end of the fire extinguishing agent tank (2) is fastened and sealed with an upper end cover (13), The upper end cover (13) is tightly connected with the fire extinguishing agent tank body (2) through flat washers, spring washers, O-rings and hexagon socket flange head bolts. 3. The piston-type water-based fire extinguisher according to claim 1 or 2, characterized in that: the piston (6) and the inner wall of the fire extinguisher tank (2) are dynamically sealed by a Y-shaped sealing ring. 4. The fire extinguisher of piston-type water-based fire extinguishing agent according to claim 3, characterized in that: said upper joint (5) is screwed into the stepped hole provided in the middle of the upper end cover (13) of the fire extinguishing agent tank (2) , the reed (11) is crimped on the annular step in the stepped hole through the pressure ring (14), and the side wall in the middle of the upper joint (5) is provided with a second valve core assembly (15), the second valve One end of the core assembly (15) communicates with the middle passage in the upper joint (5), and the other end communicates with the atmosphere. 5. The fire extinguisher of piston type water-based fire extinguishing agent according to claim 4, characterized in that: the outer periphery of the fire extinguishing agent tank (2) is covered with an outer protective shell (16).