Special tool for dredging copper pipe of tunnel foam fire hydrant box

By modifying old fire extinguishers into unblocking tools and using gas to unclog the copper pipes of foam fire hydrant boxes, the problem of copper pipe blockage was solved, achieving efficient unblocking and resource conservation.

CN223601912UActive Publication Date: 2025-11-28ZHEJIANG TAIZHOU YONG TAI WEN EXPRESSWAY
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Patent Information

Application Number
CN202422805417.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-11-28
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Copper pipes in foam fire hydrant boxes are prone to blockage after prolonged periods of non-use, which can affect fire extinguishing effectiveness.

Method used

Old fire extinguishers are transformed into cleaning tools. By connecting an air nozzle, air gun, air hose, and copper pipe, gas is used to unclog the blockage inside the copper pipe.

Benefits of technology

Effectively clear copper pipes, ensure the normal use of foam fire hydrant boxes, reduce resource waste, and improve clearing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A special tool for dredging a copper pipe of a tunnel foam fire hydrant box comprises a waste fire extinguisher, the waste fire extinguisher comprises a tank body, a nozzle and a pressing handle, an inflation nozzle is installed on the tank body, an air gun or an air pipe is installed on the nozzle, the pressing handle is located above the nozzle, the pressing handle is pressed downwards to control air in the tank body to be sprayed out from the nozzle, and the air gun or the air pipe is installed on the nozzle. According to the utility model, the waste fire extinguisher is combined with the charging connector, the air gun and the air pipe to be transformed into equipment capable of dredging the clogging of the copper pipe of the foam fire hydrant box, so that the problem is solved, and the waste of resources is reduced at the same time.
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Description

Technical Field

[0001] This utility model relates to the technical field of fire equipment maintenance tools, and in particular to a special tool for unblocking copper pipes in tunnel foam fire hydrant boxes. Background Technology

[0002] Foam fire hydrant boxes can rapidly provide foam extinguishing agent, effectively responding to fire risks and ensuring the safety of tunnels and their users. Foam extinguishing agent can quickly form a water film on the surface of hydrocarbon substances, inhibiting their evaporation. The combined effect of foam and water film allows for rapid and effective fire extinguishing. Its working principle is as follows: When pressurized water passes through a proportioning mixer, the lateral movement and diffusion of the jet particles create a negative pressure inside the proportioning mixer. This causes the foam liquid in the foam liquid storage tank to enter the mixer through the suction pipe under atmospheric pressure, mixing with the pressurized water to form a specific proportion of mixture. When this mixture flows to the foam gun, it foams, covering the fire source and isolating oxygen, thus achieving the fire extinguishing effect.

[0003] In foam fire hydrant boxes, copper pipes are typically used to connect the foam liquid storage tank and the proportioning mixer to ensure that the foam liquid can flow smoothly from the storage tank and into the mixer to mix with water.

[0004] However, if the copper pipes in the foam fire hydrant box are not used for a long time, the foam liquid is prone to settle in the copper pipes, causing blockage and further affecting the fire extinguishing effect of the foam fire hydrant box.

[0005] To solve the above problems, there is an urgent need for a special tool for unblocking copper pipes in foam fire hydrant boxes in tunnels. Utility Model Content

[0006] The present invention aims to overcome the defects in the prior art and provide a special tool for unblocking copper pipes in foam fire hydrant boxes in tunnels.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is: a special tool for unclogging copper pipes in tunnel foam fire hydrant boxes, comprising a used fire extinguisher, wherein the used fire extinguisher comprises a canister, a nozzle, and a pressure handle, wherein an air inlet is installed on the canister, an air gun or air hose is installed on the nozzle, the pressure handle is located above the nozzle, and pressing down the pressure handle controls the gas in the canister to be ejected from the nozzle.

[0008] As a preferred embodiment of this utility model, the tank body is provided with a circular hole, which extends from the outer wall of the tank body to the inside of the tank body.

[0009] As a preferred embodiment of this utility model, a connector is provided between the tank body and the inflation nozzle. The connector corresponds to the circular hole and is welded to the outside of the circular hole. An internal thread is formed inside the connector.

[0010] As a preferred scheme of the utility model, the inflation nozzle comprises an inflation pipe, outer threads are formed on both sides of the inflation pipe, and the outer threads are matched with inner threads of the connecting piece.

[0011] As a preferred scheme of the utility model, the diameter of the round hole is equal to or greater than the diameter of the inflation pipe.

[0012] As a preferred scheme of the utility model, the inflation nozzle comprises a sealing cover, the sealing cover is located on the side of the inflation nozzle away from the connecting piece, and the sealing cover and the inflation pipe are threadedly connected.

[0013] As a preferred scheme of the utility model, the spout is connected with one end of the air pipe through the air pipe quick connector.

[0014] As a preferred scheme of the utility model, the other end of the air pipe is connected with the air gun.

[0015] As a preferred scheme of the utility model, the other end of the air pipe is connected with a nut matched with the foam fire hydrant box copper pipe.

[0016] As a preferred scheme of the utility model, the inflation nozzle is located at least at 1 / 2 height of the tank body.

[0017] The utility model has the advantages of:

[0018] 1. The utility model combines the waste fire extinguisher with the inflation nozzle, the air gun and the air pipe to form an equipment capable of dredging the foam fire hydrant box copper pipe, thereby solving the problem and reducing the waste of resources.

[0019] 2. The utility model connects the inflation nozzle and the connecting piece on the waste fire extinguisher to realize inflation in the waste fire extinguisher and ensure that the gas is not leaked, so that the foam fire hydrant box copper pipe dredging tool can be taken and used conveniently, and the foam fire hydrant box copper pipe dredging efficiency is improved.

[0020] 3. The utility model is reformed by using waste materials, thereby greatly reducing the tool cost. DRAWINGS

[0021] Figure 1 is a structural schematic diagram of the utility model Figure One ;

[0022] Figure 2 is a structural schematic diagram of the utility model Figure Two ;

[0023] Reference signs: 1, waste fire extinguisher, 2, inflation nozzle, 3, gas pipe quick connector, 4, gas gun, 5, gas pipe, 6, connecting piece, 7, nut, 11, tank, 12, spout, 13, pressure handle, 21, inflation pipe, 22, sealing cover, 111, round hole. DETAILED DESCRIPTION

[0024] The utility model embodiment will be combined with the inflation nozzle 2, the gas gun 4, the gas pipe 5 to the waste fire extinguisher 1 and is transformed into the equipment that can dredge the foam fire hydrant box copper pipe block, solves the problem also reduces the waste of resources.

[0025] As Figures 1-2 The utility model discloses a special tool for tunnel foam fire hydrant box copper pipe dredging, including waste fire extinguisher 1, waste fire extinguisher 1 includes tank 11, spout 12 and pressure handle 13, install inflation nozzle 2 on tank 11, install gas gun 4 or gas pipe 5 on spout 12, pressure handle 13 is located above spout 12, press down pressure handle 13 and control the gas in tank 11 to spray from spout 12.

[0026] Wherein, the waste fire extinguisher 1 needs to be cleaned and safety checked before use, and can be put into use after determining that it meets the requirements.

[0027] Inflation nozzle 2 is the component for connecting inflation pump and the object needing inflation in inflation equipment. Inflation nozzle 2 controls the entry and exit of air through the air valve core and valve core in it. When inflating, the air valve core is pushed away by the valve core, and the air enters the inside of waste fire extinguisher 1. The inflation nozzle 2 in the utility model is prior art, and the inflation nozzle 2 is detached from the waste tire.

[0028] Specifically, the gas enters waste fire extinguisher 1 through inflation nozzle 2, and makes the inside of tank 11 of waste fire extinguisher 1 full of gas. After pressing down pressure handle 13, the gas in the inside of tank 11 can be sprayed from spout 12. The sprayed gas corresponds to the foam fire hydrant box copper pipe inlet through gas gun 4 or gas pipe 5. The gas blows out the foam liquid remaining in the foam fire hydrant box copper pipe, avoids the foam liquid from depositing in the copper pipe and causing blockage, and thus guarantees the use of the foam fire hydrant box.

[0029] The utility model combines waste fire extinguisher 1 with inflation nozzle 2, gas gun 4 and gas pipe 5 to transform into the equipment that can dredge the foam fire hydrant box copper pipe block, solves the problem also reduces the waste of resources.

[0030] The tank 11 is provided with a round hole 111 extending from the outer wall of the tank 11 to the inside of the tank 11.

[0031] A connecting piece 6 is arranged between the tank 11 and the inflation nozzle 2, the connecting piece 6 corresponds to the round hole 111 and is welded outside the round hole 111, an internal thread is formed in the connecting piece 6, and the connecting piece 6 is preferably an iron nut, which is convenient for local procurement and does not need to be processed into an internal thread.

[0032] The inflator nozzle 2 comprises an inflator pipe 21, both sides of which are formed with external threads matched with the internal threads of the connecting piece 6.

[0033] The diameter of the round hole 111 is equal to or greater than that of the inflator pipe 21, so that the inflator pipe 21 can extend into the tank body 11 from one side of the tank body 11, avoiding gas leakage from the inflator pipe 21.

[0034] The inflator nozzle 2 comprises a sealing cover 22 located on the side of the inflator nozzle 2 away from the connecting piece 6, which is threadedly connected with the inflator pipe 21.

[0035] Specifically, the tank body 11 is provided with a round hole 111 with a diameter slightly greater than that of the inflator pipe 21, so that the inflator pipe 21 can extend into the tank body 11, and the connecting piece 6 is threadedly connected with the inflator pipe 21 from one side of the tank body 11, and the connecting piece 6 is welded to the round hole 111 by a welding wire, ensuring airtightness; meanwhile, the connecting piece 6 and the inflator pipe 21 can be coated with sealing glue to ensure the airtightness of the inflator nozzle 2.

[0036] Further, the sealing cover 22 is threadedly connected with the inflator pipe 21, so that the inner wall of the sealing cover 22 abuts against the side of the inflator nozzle 2 facing the sealing cover 22, thereby sealing the other side of the inflator nozzle 2 away from the connecting piece 6, ensuring that the gas in the tank body 11 does not leak when the sealing cover 22 is sealed.

[0037] The utility model discloses a connecting inflator nozzle 2 and connecting piece 6 on the waste fire extinguisher 1, realizes the inflation of the waste fire extinguisher 1 and ensures that the gas does not leak, facilitates the use of the special tool for the foam fire hydrant box copper pipe dredging, and improves the efficiency of the foam fire hydrant box copper pipe dredging.

[0038] The gas pipe quick connector 3 is arranged at the outlet of the nozzle 12, the nozzle 12 is connected with one end of the gas pipe 5 through the gas pipe quick connector 3,

[0039] The other end of the gas pipe 5 is connected with the air gun 4, or the other end of the gas pipe 5 is connected with the nut 7 matched with the foam fire hydrant box copper pipe.

[0040] Specifically, the nozzle 12 is welded, threadedly connected or bonded with the gas pipe quick connector 3, the gas pipe quick connector 3 facilitates the connection of the nozzle 12 with other components, so that the gas sprayed from the nozzle 12 has a wider application range, a longer range and more uses.

[0041] Further, the gas pipe quick connector 3 can be connected with one end of the gas pipe 5, the other end of the gas pipe 5 can be connected with the nut or the air gun 4, and the air gun 4 has a faster gas spraying speed and a greater power than the gas pipe 5, and can better disperse the foam in the foam fire hydrant box copper pipe.

[0042] The inflation nozzle 2 is located at least at 1 / 2 height of the tank body 1, facilitating positioning and installation of the inflation nozzle 2, and gas passing through the inflation nozzle 2 can also quickly spread to various positions inside the waste fire extinguisher 1.

[0043] Specifically install a tool special for tunnel foam fire hydrant box copper pipe dredging, comprising,

[0044] Step 1: select a waste fire extinguisher 1, clean and safety check it;

[0045] Step 2: remove the inflation nozzle 2 from the waste tire, place it on the waste fire extinguisher 1 bottle, mark the position, measure the inner diameter of the inflation nozzle 2 with a caliper, and drill a suitable hole at the mark with an electric drill;

[0046] Step 3: saw off the large head of the inflation nozzle 2, leaving the end with external threads, and fit an iron nut for welding, evenly weld along the gap around the iron nut with welding wire, and ensure that the iron nut is welded firmly and does not leak gas;

[0047] Step 4: remove the original gas pipe on the waste fire extinguisher 1, install the gas pipe quick connector 3, and install the gas pipe 5 on the gas pipe quick connector 3;

[0048] Step 5: install the nut 7 matched with the foam box copper pipe on the other end of the gas pipe 5, or install the air gun 4, to achieve one-plug use and air-tightness.

[0049] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model; therefore, the present utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0050] Although the terms: 1, waste fire extinguisher, 2, inflation nozzle, 3, gas pipe quick connector, 4, air gun, 5, gas pipe, 6, connecting piece, 7, nut, 11, tank body, 12, spout, 13, pressure handle, 21, inflation pipe, 22, sealing cap, 111, round hole, etc. are used more frequently in the drawings, but the possibility of using other terms is not excluded; the use of these terms is only to facilitate the description and explanation of the essence of the present utility model; any additional limitation by interpreting them is contrary to the spirit of the present utility model.

Claims

1. A tool for tunneling foam hydrant cabinet copper pipe dredging special tool, characterized by: The application relates to a waste fire extinguisher (1) comprising a tank body (11), a spout (12) and a pressing handle (13), wherein an air charging nozzle (2) is arranged on the tank body (11), a gas gun (4) or a gas pipe (5) is arranged on the spout (12), and the pressing handle (13) is arranged above the spout (12), and the pressing handle (13) is pressed downwards to control the gas in the tank body (11) to be sprayed out of the spout (12).

2. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 1, characterized in that: A circular hole (111) is arranged on the tank body (11) and extends from the outer wall of the tank body (11) to the inside of the tank body (11).

3. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 2, characterized in that: A connecting piece (6) is arranged between the tank body (11) and the air charging nozzle (2), the connecting piece (6) corresponds to the circular hole (111) and is welded outside the circular hole (111), and an internal thread is formed in the connecting piece (6).

4. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 3, characterized in that: The air charging nozzle (2) comprises an air charging pipe (21), and external threads are formed on both sides of the air charging pipe (21) and are matched with the internal thread of the connecting piece (6).

5. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 4, characterized in that: The diameter of the circular hole (111) is equal to or greater than the diameter of the air charging pipe (21).

6. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 5, characterized in that: The air charging nozzle (2) comprises a sealing cover (22) arranged on the side of the air charging nozzle (2) away from the connecting piece (6), and the sealing cover (22) is threadedly connected with the air charging pipe (21).

7. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 1, characterized in that: A gas pipe quick connector (3) is arranged at the outlet of the spout (12), and the spout (12) is connected with one end of the gas pipe (5) through the gas pipe quick connector (3).

8. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 7, characterized in that: The other end of the gas pipe (5) is connected with a gas gun (4).

9. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 7, characterized in that: The other end of the gas pipe (5) is connected with a nut (7) matched with a foam fire hydrant box copper pipe.

10. A tool for clearing copper pipes of tunnel foam hydrant cabinets according to claim 1, characterized in that: The air charging nozzle (2) is arranged at least at 1 / 2 of the height of the tank body (11).