Novel portable fire extinguisher

By introducing structures such as threaded nozzle connections, limiting blocks, and sealing gaskets into portable fire extinguishers, the problems of condensation and nozzle damage in fire extinguishers have been solved, achieving rapid and effective local fire suppression and improving fire suppression efficiency and performance.

CN223586458UActive Publication Date: 2025-11-25NANAN GUISHUN FIRE AUDIO SUPPLIES COMPANY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422262586.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-11-25
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

Existing portable fire extinguishers cannot release the extinguishing agent in a timely manner when it is in a condensed state, and the nozzle needs to be accurately aimed at the fire source, resulting in low fire extinguishing efficiency and inability to extinguish fires quickly and effectively.

Method used

A novel portable fire extinguisher was designed, comprising a nozzle, output pipe, limiting block, protective sleeve, sealing ring, and sealing gasket. The nozzle is securely connected and sealed through threaded connection, limiting block, and spring mechanism, ensuring effective discharge of extinguishing agent. The protective sleeve controls the spray range, enhancing local fire extinguishing capability.

Benefits of technology

It improves fire extinguishing efficiency, ensures that the extinguishing agent can be sprayed quickly and effectively, enhances the local fire extinguishing capability of the fire extinguisher, avoids nozzle damage and leakage of seals, and ensures that fires can be extinguished quickly and effectively in emergency situations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223586458U_ABST
    Figure CN223586458U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel portable fire extinguisher which comprises a fire extinguisher cylinder, a nozzle, a spray head and an output pipe, the top of the fire extinguisher cylinder is connected with a channel, one side of the channel is connected with the output pipe, the top and the bottom of the output pipe are both connected with limiting seats, the interiors of the limiting seats are connected with operation cavities, and limiting blocks are arranged in the operation cavities. The surface of the limiting block is connected with a pull wire. According to the portable fire extinguisher, a fire extinguishing agent can be discharged from the nozzle on the spray head under the action of pressure to form a certain fire extinguishing area to effectively carry out local fire extinguishing work, so that the fire extinguishing efficiency is obviously improved, and the use performance of the portable fire extinguisher is greatly improved; the nozzle can be stably connected with the head end of the output pipe through threaded connection of the internal thread and the external thread, the phenomenon that the nozzle falls off due to the pressure of the fire extinguishing agent after repeated use is avoided, and the nozzle with the blocking problem can be detached and replaced in the later period.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely is a novel hand-held fire extinguisher. BACKGROUND

[0002] Hand-held fire extinguisher is widely used in many occasions because of convenient operation, easy control and lightness. However, the hand-held fire extinguisher arranged in the corner of each occasion is often in a static state, which leads to the condensation of the fire extinguishing agent inside after a long time, and even the condensation into a whole. When a fire occurs, the hand-held fire extinguisher needs to be operated by a person to extinguish the fire. During the operation, the ordinary personnel are in a tense and urgent state and are not professional enough, so they often cannot shake the fire extinguishing agent loose in time, resulting in the fire extinguishing agent remaining in the condensed state. When the hand-held fire extinguisher is started, a large amount of fire extinguishing agent cannot be sprayed out at the first time, so the hand-held fire extinguisher cannot implement effective fire extinguishing at the first time, causing the fire to spread and related property losses.

[0003] The spray hole of the existing fire extinguisher nozzle is arranged at the cross section of the nozzle. The sprayed fire extinguishing agent can only be sprayed out according to the position of the spray hole. At this time, the operator needs to accurately aim at the fire source to perform effective fire extinguishing. Local fire extinguishing cannot be quickly and effectively performed, and there is an urgent need for development. SUMMARY

[0004] The utility model aims at providing a novel hand-held fire extinguisher to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel hand-held fire extinguisher, comprising a fire extinguisher cylinder, a nozzle, a nozzle and an output pipe, the top of the fire extinguisher cylinder is connected with a channel, one side of the channel is connected with an output pipe, the top and the bottom of the output pipe are connected with a limiting seat, the inside of the limiting seat is connected with an operation cavity, the inside of the operation cavity is provided with a limiting block, the surface of the limiting block is connected with a pull wire, the pull wire is arranged between the partition plate, the two guide wheels and the operation cavity and extends to the outside of the limiting seat, and a pull handle is connected;

[0006] The inside of the operation cavity is connected with a partition plate and two symmetrically arranged guide wheels. The limiting block is connected with the partition plate through a first spring. The resilience of the first spring can assist the limiting block and the plug-in fastener to automatically reset.

[0007] The side part of the limiting seat close to the output pipe is connected with a positioning groove in the inside. A matching protective sleeve is arranged in the positioning groove. The protective sleeve wraps the output pipe and the nozzle. A plug-in hole is connected in the side part of the protective sleeve. A plug-in groove is connected in the inside of the positioning groove.

[0008] The port of the output pipe is provided with a spray head, the side of the spray head is uniformly provided with a spray opening, the outer surface of the port of the output pipe is connected with external threads, and the inner surface of one side of the spray head is connected with internal threads matched with the external threads.

[0009] The surface of the limiting block is connected with an insertion piece matched with the insertion slot and the insertion hole.

[0010] The inside of the cylinder of the fire extinguisher is connected with a delivery pipe, the top of the delivery pipe is communicated with the channel through a connecting port, a sealing ring is arranged between the delivery pipe and the channel, a sealing plug is arranged between the channel and the delivery pipe, and the inside of the cylinder of the fire extinguisher is provided with fire extinguishing agent.

[0011] The connection between the output pipe and the channel is provided with a sealing gasket.

[0012] The inside of the channel is provided with an operating pull rod, the top of the operating pull rod extends out of the top of the channel, a second spring is sleeved on the operating pull rod, and one end of the second spring abuts against the sealing plug.

[0013] Compared with the prior art, the novel hand-held fire extinguisher has the advantages that:

[0014] (1) The novel hand-held fire extinguisher can effectively perform local fire extinguishing work and significantly improve the fire extinguishing efficiency, and the use performance of the hand-held fire extinguisher is greatly improved, the spray head can be stably connected with the head end of the output pipe through the threaded connection of the internal threads and the external threads, the spray head is prevented from falling due to the pressure of the fire extinguishing agent after multiple uses, and the spray head with a blockage problem can be disassembled and replaced in the later period.

[0015] (2) The novel hand-held fire extinguisher can effectively prevent the spray head from being damaged due to external force through the arrangement of the protective sleeve, the protective sleeve can effectively ensure that the fire extinguishing agent sprayed from the spray opening has a certain range to avoid scattering, and the local rapid fire extinguishing capacity of the fire extinguisher is enhanced, the plug-in positioning state of the insertion piece, the insertion hole and the insertion slot can be manually controlled through the arrangement of the limiting block, the first spring, the insertion piece, the pull wire and the pull handle and the guiding effect of the two guide wheels on the pull wire, and the protective sleeve can be conveniently disassembled.

[0016] (3) the new type of portable fire extinguisher, through the real environment output pipe and channel connection place in use will appear loose and gap, loose and gap can greatly affect the sealing of the fire extinguisher in the use process, then add sealing gasket makes the output pipe and channel connection place has better sealing performance, ensure that the pressure inside the fire extinguisher in the use process will not be lost, so that the fire extinguishing agent can be smoothly from the nozzle, in the case of not using the fire extinguisher, the elasticity of the second spring can provide the force between the sealing plug and the connecting port, ensure that the sealing plug can completely with connecting port, wherein in the use process of the fire extinguisher when the fire source is extinguished, the setting of the second spring realizes that the sealing plug has the ability of quick reset, reseals the inside of the fire extinguisher, the setting of the sealing ring further enhances the sealing ability of the sealing plug, avoids the pressure loss in the fire extinguisher cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the utility model Figure 1 It is the enlarged structure schematic diagram of A place in the utility model;

[0019] Figure 3 It is the utility model Figure 1 It is the enlarged structure schematic diagram of B place in the utility model;

[0020] Figure 4 It is the utility model Figure 1 It is the enlarged structure schematic diagram of C place in the utility model;

[0021] Figure 5 It is the side view structure schematic diagram of the spray head and protective sleeve connection in the utility model.

[0022] In the drawing: 1, fire extinguisher cylinder; 2, nozzle; 3, spray head; 4, output pipe; 5, operating pull rod; 6, conveying pipe; 7, fire extinguishing agent; 8, positioning groove; 9, insertion fixing groove; 10, insertion hole; 11, protective sleeve; 12, insertion part; 13, first spring; 14, partition; 15, operating cavity; 16, pull wire; 17, pull handle; 18, guide wheel; 19, limiting block; 20, limiting seat; 21, internal thread; 22, external thread; 23, sealing gasket; 24, channel; 25, second spring; 26, connecting port; 27, sealing plug; 28, sealing ring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a novel hand-held fire extinguisher, including fire extinguisher cylinder 1, spout 2, spray head 3 and output pipe 4, the top of fire extinguisher cylinder 1 is connected with passageway 24, one side of passageway 24 is connected with output pipe 4, and the port of output pipe 4 is equipped with spray head 3, and the side of spray head 3 is evenly distributed with spout 2, and the outer surface of output pipe 4 port is connected with external thread 22, and the inner surface of spray head 3 one side is connected with the internal thread 21 matched with external thread 22, then spray head 3 can be connected with the head end of output pipe 4 by internal thread 21 and external thread 22 threaded connection realizes stable connection, avoids the drop of spray head 3 because of the pressure of extinguishing agent 7 after using multiple times, and the spray head 3 with the problem of blockage can be also disassembled and replaced in later period.

[0025] The top and bottom of output pipe 4 are connected with limiting seat 20, and the side of limiting seat 20 close to output pipe 4 is connected with positioning groove 8, and the inside of positioning groove 8 is equipped with matched protective sleeve 11, the setting of protective sleeve 11 can effectively guarantee that spray head 3 will not be damaged due to external force, and protective sleeve 11 also effectively guarantees that the extinguishing agent 7 sprayed in spout 2 has a certain range to avoid scattering phenomenon, and the ability of local rapid fire extinguishing of fire extinguisher is enhanced;

[0026] Protective sleeve 11 wraps output pipe 4 and spray head 3, and the side of protective sleeve 11 is connected with plug hole 10, and the inside of positioning groove 8 is connected with plug slot 9.

[0027] The inside of limiting seat 20 is connected with operation cavity 15, the inside of operation cavity 15 is equipped with limiting block 19, and the inside of operation cavity 15 is connected with baffle 14 and two symmetrically arranged guide wheels 18, and limiting block 19 is connected with baffle 14 through first spring 13.

[0028] The surface of limiting block 19 is connected with pull wire 16, pull wire 16 is arranged between baffle 14, two guide wheels 18 and operation cavity 15 and extends to the outside of limiting seat 20, and is connected with pull handle 17, then through the setting of limiting block 19, first spring 13, plug 12, pull wire 16 and pull handle 17 and the guiding effect of two guide wheels 18 to pull wire 16, the plug positioning state of plug 12 and plug hole 10 and plug slot 9 can be manually controlled, and the disassembly work of protective sleeve 11 is facilitated.

[0029] The surface of limiting block 19 is connected with plug 12 matched with plug slot 9 and plug hole 10.

[0030] The inside of fire extinguisher cylinder 1 is connected with conveying pipe 6, the top of conveying pipe 6 is communicated with passageway 24 through connecting port 26, and sealing ring 28 is arranged between conveying pipe 6 and passageway 24, then the setting of sealing ring 28 further enhances the sealing ability of sealing plug 27, and avoids the pressure loss in fire extinguisher cylinder 1.

[0031] The channel 24 is provided with a sealing plug 27 between the delivery pipe 6, and the inside of the extinguisher cylinder 1 is provided with the extinguishing agent 7, which is discharged from the nozzle 2 of the spray head 3 due to the pressure, forming a certain extinguishing area to effectively perform local extinguishing work, significantly improving the extinguishing efficiency and greatly improving the use performance of the handheld extinguisher.

[0032] The output pipe 4 is provided with a sealing gasket 23 at the connection with the channel 24. In the actual environment, the connection between the output pipe 4 and the channel 24 will be loose and have a gap during use, which will greatly affect the sealing performance of the extinguisher during use.

[0033] The inside of the channel 24 is provided with an operating pull rod 5, and the sealing gasket 23 is added to the connection between the output pipe 4 and the channel 24, so that the sealing performance is better, and the internal pressure of the extinguisher during use is not lost, so that the extinguishing agent 7 can be smoothly sprayed from the nozzle 2.

[0034] The top of the operating pull rod 5 extends to the top of the channel 24, and the operating pull rod 5 is sleeved with a second spring 25. When the extinguisher is not in use, the elasticity of the second spring 25 can provide a force for the sealing plug 27 to resist the connection port 26, so that the sealing plug 27 can completely resist the connection port 26. During use of the extinguisher, when the fire source is extinguished, the second spring 25 is provided to realize the quick resetting of the sealing plug 27, and the inside of the extinguisher is resealed.

[0035] One end of the second spring 25 is in contact with the sealing plug 27.

[0036] In use, the extinguishing agent 7 is discharged from the nozzle 2 of the spray head 3 due to the pressure, forming a certain extinguishing area to effectively perform local extinguishing work. The spray head 3 can be stably connected to the head end of the output pipe 4 through the internal thread 21 and the external thread 22, avoiding the falling of the spray head 3 due to the pressure of the extinguishing agent 7 after multiple uses. The spray head 3 with clogging problems can be disassembled and replaced. Through the setting of the limiting block 19, the first spring 13, the insertion piece 12, the pull wire 16, the pull handle 17, and the guiding effect of the two guide wheels 18 on the pull wire 16, the insertion and positioning state of the insertion piece 12, the insertion hole 10, and the insertion slot 9 can be manually controlled, facilitating the disassembly of the protective sleeve 11.

Claims

1. A new type of hand-held fire extinguisher characterized in that, Including fire extinguisher cylinder (1), spout (2), nozzle (3) and output pipe (4), the top of the fire extinguisher cylinder (1) is connected with channel (24), one side of the channel (24) is connected with output pipe (4), the port of the output pipe (4) is provided with nozzle (3), the side of the nozzle (3) is uniformly distributed with spout (2), the outer surface of the output pipe (4) port is connected with external thread (22), the inner surface of the side of the nozzle (3) is connected with internal thread (21) matched with the external thread (22).

2. A new type of portable fire extinguisher according to claim 1, characterized in that: The top and bottom of the output pipe (4) are connected with limiting seat (20), the side of the limiting seat (20) close to the output pipe (4) is connected with positioning groove (8), the positioning groove (8) is provided with matched protective sleeve (11) inside, the protective sleeve (11) wraps output pipe (4) and nozzle (3), the side of the protective sleeve (11) is connected with plug hole (10), the inside of the positioning groove (8) is connected with plug slot (9).

3. A new type of portable fire extinguisher according to claim 2, characterized in that: The inside of the limiting seat (20) is connected with operation cavity (15), the inside of the operation cavity (15) is provided with limiting block (19), the inside of the operation cavity (15) is connected with baffle (14) and two symmetrical guide wheels (18), the limiting block (19) is connected with baffle (14) through first spring (13).

4. A new type of portable fire extinguisher according to claim 3, characterized in that: The surface of the limiting block (19) is connected with pull wire (16), the pull wire (16) is arranged between the baffle (14), the two guide wheels (18) and the operation cavity (15) and extends to the outside of the limiting seat (20) and is connected with pull handle (17).

5. A new type of portable fire extinguisher according to claim 4, characterized in that: The surface of the limiting block (19) is connected with plug (12) matched with plug slot (9) and plug hole (10).

6. A new type of portable fire extinguisher as claimed in claim 1, wherein: The inside of the fire extinguisher cylinder (1) is connected with conveying pipe (6), the top of the conveying pipe (6) is communicated with channel (24) through connecting port (26), the sealing ring (28) is arranged between the conveying pipe (6) and the channel (24), the sealing plug (27) is arranged between the channel (24) and the conveying pipe (6), the inside of the fire extinguisher cylinder (1) is provided with fire extinguishing agent (7).

7. A new type of portable fire extinguisher as claimed in claim 2, wherein: The sealing gasket (23) is arranged at the connection between the output pipe (4) and the channel (24).

8. A new type of portable fire extinguisher according to claim 6, characterized in that: The inside of the channel (24) is provided with operation pull rod (5), the top of the operation pull rod (5) extends to the top outside of the channel (24), the second spring (25) is sleeved on the operation pull rod (5), one end of the second spring (25) abuts against the sealing plug (27).