Long-rod fire-fighting lance

By using a flexible hose connection and adjusting rod structure, the long-handled fire hose nozzle can be flexibly adjusted, solving the problem of difficulty in adjusting the nozzle direction in confined spaces and improving fire extinguishing efficiency.

CN224099872UActive Publication Date: 2026-04-10太和县消防救援大队
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Long-handled fire hoses are difficult to adjust in confined spaces, resulting in low fire extinguishing efficiency and an inability to accurately target the fire.

Method used

The nozzle holder is connected by a flexible hose, and the tilt of the nozzle holder is adjusted by an adjusting rod and a linkage plate. Combined with the screw rod for fixing, the accurate adjustment of the nozzle direction is ensured.

Benefits of technology

The ability to adjust the water flow direction of fire sprinklers in confined spaces improves fire extinguishing efficiency and enhances practicality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224099872U_ABST
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Abstract

The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to a long-rod fire-fighting lance which comprises a lance body and a nozzle seat, a fire-fighting nozzle is mounted at the top end of the nozzle seat in a screwed mode through threads, a support A and a support B are fixed to the outer side of the lance body in an embedded mode, and a limiting head A is arranged at the top end of the support A; a limiting head A is arranged at the top end of the support A, a limiting head B is arranged at the top end of the support B, an adjusting rod penetrates through the position between the limiting head A and the limiting head B, the limiting head A and the limiting head B are used for supporting and limiting the adjusting rod, and a linkage plate is welded between the adjusting rod and the nozzle seat. The water outlet direction of the fire sprinkler is adjusted, when the gun barrel body is inconvenient to obliquely adjust in a narrow space, the fire point can be conveniently and directly extinguished by adjusting the water outlet direction of the fire sprinkler, the fire extinguishing efficiency is improved, and the practicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fire fighting equipment, and particularly relates to a long rod fire fighting lance. BACKGROUND

[0002] The long rod fire fighting lance is a fire fighting equipment with special design and function, the gun barrel is long, generally above 1m, the fireman can perform spraying operation at a position far from the fire source, can effectively protect the fireman from high temperature and smoke damage, and can also be used for long distance fire extinguishing in some dangerous areas to avoid the fireman from close contact with dangerous articles or unstable structures.

[0003] It is also applicable to fire fighting operation in some narrow spaces, such as corridor, room corner and traffic tool fire, and can be used for putting out traffic tool fire such as car, train and airplane.

[0004] For fire extinguishing operation in narrow space, the gun barrel is generally difficult to be vertically turned, so the water outlet direction of the spray head cannot be adjusted, the water spraying direction of the spray head cannot be adjusted according to the fire point position, and the spray head adjustment of the long rod fire fighting lance needs to be improved. TECHNICAL SOLUTION

[0005] In view of the problems in the prior art, the utility model aims to provide a long rod fire fighting lance which improves fire extinguishing efficiency and is more practical.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A long rod fire fighting lance comprises a gun barrel body and a spray head seat, a fire fighting spray head is installed at the top end of the spray head seat through thread engagement, a support A and a support B are fixedly arranged on the outer side of the gun barrel body, a limiting head A is arranged at the top end of the support A, a limiting head B is arranged at the top end of the support B, an adjusting rod penetrates between the limiting head A and the limiting head B, the limiting head A and the limiting head B are used for supporting the limiting adjusting rod, and a linkage plate is welded between the adjusting rod and the spray head seat.

[0008] Further, a water outlet head is arranged on the upper surface of the gun barrel body, and a hose is arranged between the bottom end of the spray head seat and the top end of the water outlet head in a nested mode.

[0009] Further, a lead screw is embedded at one side of the top end of the limiting head A, the lead screw is connected with the limiting head A through thread engagement, one end of the lead screw is close to the surface of the adjusting rod, and the lead screw is used for extruding and fixing the adjusting rod.

[0010] Further, a rod valve is arranged at one end of the gun barrel body, a handle is arranged on the outer side of the rod valve, and a butt joint is arranged at one end of the rod valve.

[0011] Further, the bottom side of the rod valve is provided with a base for supporting the horizontal placement of the gun rod body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The present scheme adopts the hose connection nozzle seat, and simultaneously adopts the adjusting rod to control the inclination angle of the nozzle seat, realizes the adjustment of the water outlet direction of the fire-fighting nozzle, in the narrow space, when the gun rod body is inconvenient to be inclined and adjusted, it is convenient to directly adjust the water outlet direction of the fire-fighting nozzle to extinguish the ignition point, improves the fire extinguishing efficiency, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic diagram of the utility model Figure 1 A area amplification structure schematic diagram;

[0016] Figure 3 It is a three-dimensional structure schematic diagram of the utility model's support A;

[0017] Figure 4 It is a three-dimensional structure schematic diagram of the utility model's support B.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 101, gun rod body; 111, water outlet head; 112, hose; 102, nozzle seat; 121, fire-fighting nozzle; 103, support A; 131, limiting head A; 132, screw rod; 104, support B; 141, limiting head B; 105, adjusting rod; 151, linkage plate; 106, rod valve; 161, handle; 162, butt joint; 163, base. DETAILED DESCRIPTION

[0020] In order to make the purpose and the advantage of the utility model more clear and obvious, the following specific description is carried out to the utility model in combination with examples.It should be understood that the following text is only used to describe one or several specific implementation manners of the utility model, and does not strictly limit the protection range of the utility model specific request.

[0021] For example, Figures 1-4As shown in the figure, a long pole fire fighting lance includes a lance rod body 101 and a nozzle seat 102, a fire nozzle 121 is installed on the top end of the nozzle seat 102 by screwing, a support A 103 and a support B 104 are fixedly arranged on the outer side of the lance rod body 101, a limiting head A 131 is arranged on the top end of the support A 103, a limiting head B 141 is arranged on the top end of the support B 104, an adjusting rod 105 is penetrated between the limiting head A 131 and the limiting head B 141, the limiting head A 131 and the limiting head B 141 are used for supporting the limiting adjusting rod 105, and a linkage plate 151 is welded between the adjusting rod 105 and the nozzle seat 102, so that the nozzle seat 102 can be tilted forward and backward by the linkage plate 151 when the adjusting rod 105 is pushed and pulled forward and backward, and the water outlet direction is adjusted.

[0022] As shown in the figure, Figure 1 and Figure 2 the upper surface of the lance rod body 101 is provided with a water outlet head 111, and a hose 112 is nested and installed between the bottom end of the nozzle seat 102 and the top end of the water outlet head 111, so that the nozzle seat 102 connected through the hose 112 is convenient to tilt, and the hose 112 is a metal wire braided hose which is resistant to high temperature.

[0023] As shown in the figure, Figure 1 and Figure 3 a lead screw 132 is embedded on one side of the top end of the limiting head A 131, the lead screw 132 is connected with the limiting head A 131 through screwing, and one end of the lead screw 132 is close to the surface of the adjusting rod 105, and the lead screw 132 is used for extruding and fixing the adjusting rod 105, so that after the inclination angle of the nozzle seat 102 is adjusted, the lead screw 132 can be screwed and tightened to fix the adjusting rod 105, so as to avoid the nozzle seat 102 from resetting or deviating.

[0024] As shown in the figure, Figure 1 one end of the lance rod body 101 is provided with a rod valve 106, a handle 161 is arranged on the outer side of the rod valve 106, and a butt joint 162 is arranged on one end of the rod valve 106, so that the water hose can be conveniently connected.

[0025] As shown in the figure, Figure 1 the bottom side of the rod valve 106 is provided with a base 163, and the base 163 is used for supporting the lance rod body 101 to be horizontally placed, so that the lance rod body 101 can be conveniently placed horizontally on the ground.

[0026] The working principle of the utility model is:

[0027] When the water outlet direction of the fire nozzle 121 needs to be adjusted, first, the screw rod 132 is screwed loose, then the adjusting rod 105 is pushed or pulled, so that the nozzle seat 102 tilts, until the water outlet direction of the fire nozzle 121 is appropriate, then the screw rod 132 is screwed tightly, the adjusting rod 105 is fixed, the nozzle seat 102 is prevented from resetting or shaking, and the fire nozzle 121 can be used.

[0028] The above only describes the preferred embodiments of the present application, and it should be noted that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered within the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A long-handled fire hose, comprising a handle (101) and a nozzle holder (102), wherein a fire nozzle (121) is threadedly screwed onto the top of the nozzle holder (102), characterized in that: The gun barrel (101) is nested and fixed with bracket A (103) and bracket B (104). The top of bracket A (103) is provided with a limiting head A (131), and the top of bracket B (104) is provided with a limiting head B (141). An adjusting rod (105) passes through the limiting head A (131) and the limiting head B (141). The limiting head A (131) and the limiting head B (141) are used to support the limiting adjusting rod (105). A linkage plate (151) is welded between the adjusting rod (105) and the nozzle seat (102).

2. The long-handled fire hose reel according to claim 1, characterized in that: The upper surface of the gun rod (101) is provided with a water outlet (111), and a hose (112) is nested between the bottom end of the nozzle seat (102) and the top end of the water outlet (111).

3. A long-handled fire hose reel according to claim 1, characterized in that: A lead screw (132) is embedded on one side of the top of the limiting head A (131). The lead screw (132) and the limiting head A (131) are connected by a threaded connection, and one end of the lead screw (132) is in close contact with the surface of the adjusting rod (105). The lead screw (132) is used to press and fix the adjusting rod (105).

4. A long-handled fire hose reel according to claim 1, characterized in that: A rod valve (106) is installed at one end of the rod body (101), a handle (161) is installed on the outside of the rod valve (106), and a connector (162) is installed at one end of the rod valve (106).

5. A long-handled fire hose reel according to claim 4, characterized in that: The bottom side of the rod valve (106) is provided with a base (163), which is used to support the rod body (101) of the gun in a horizontal position.