CN218890100U

CN218890100U - Portable adjustable fire-fighting lance

Info

Publication number: CN218890100U
Application number: CN202223023046.4U
Authority: CN
Inventors: 段宗源; 郭欢; 司龙龙; 陈焱; 李光明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-21
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a portable adjustable fire-fighting lance, which comprises a lance base, a switch valve body, an extension pipe and a lance head at the front end of the lance, wherein a telescopic flexible pipe is arranged between the lance head and the extension pipe, one end of the telescopic flexible pipe is sleeved with the extension pipe, a connecting pipe with an external thread structure is arranged between the telescopic flexible pipe and the lance head, one end of the connecting pipe is in threaded connection with the lance head, the other end of the connecting pipe is sleeved with the telescopic flexible pipe, and an auxiliary handle is sleeved on the extension pipe.

Description

Portable adjustable fire-fighting lance

Technical Field

The utility model relates to the field of fire-fighting technical equipment, in particular to a portable adjustable fire-fighting lance.

Background

The fire-fighting lance is a fire-extinguishing water jetting tool, and the fire-fighting lance is connected with a water hose to jet dense water flow, and has the advantages of long range, large water quantity and the like. During fire extinguishment, firefighters often use firefighting water guns to form a water network to control the spread of fire.

In order to provide better fire-fighting equipment for firefighters, people have long-term explored, various schemes are provided, china patent with application number of CN201710667644X discloses a visual universal fire-fighting lance, which comprises a nozzle (1), a high-pressure steel wire hose (2), a ball valve (3), a lance base (4) and a direction-regulating rod (17), two ends of the high-pressure steel wire hose (2) are respectively provided with a joint (22), two joints (22) are respectively in threaded connection with the nozzle (1) and the ball valve (3), one end of the ball valve (3) far away from the joint is in threaded connection with the lance base (4), one end of the joint (22) close to the nozzle (1) is provided with a first rotary shaft (10), the first rotary shaft (10) is provided with a first earring (13), the first earring (13) is provided with a first connecting rod (15), the first connecting rod (15) is hinged with the first earring (13), the second connecting rod (16) far away from the first end (13) is provided with a second connecting rod (16), the second connecting rod (16) is hinged with the second rotary shaft (14) near to the first rotary shaft (11), the steering device is characterized in that a steering rod (17) is arranged on the second earring (14), the steering rod (17) is hinged with the second earring (14), one end, far away from the second earring (14), of the steering rod (17) is hinged with a second connecting rod (16), a handle (20) is arranged on the steering rod (17), and the handle (20) is hinged with the steering rod (17). Firstly, the first connecting rod and the second connecting rod are hinged, the bending degree of the high-pressure steel wire hose of the fire-fighting lance is adjusted through the front and back cheers of the handle, so that the direction of the edge water flow is changed, but the arrangement of the first connecting rod and the second connecting rod limits the depth of the fire-fighting lance to a certain extent, the adjusting angle is limited, and the jet fire-extinguishing precision is low; secondly, when big angle adjustment, the angle that the steering yoke is too little with the valve body, and inconvenient firefighter holds the handle.

Disclosure of Invention

The utility model provides a portable adjustable fire-fighting lance, which can change the jet direction at will during fire extinguishment, improves jet precision and is convenient for fire-fighting personnel to hold, and the utility model aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a fire-fighting lance with adjustable it is portable, includes the squirt base that sets up at the squirt rear end, fixes the switch valve body on the squirt base, fixes the extension pipe and the rifle head of setting in the squirt front end of keeping away from squirt base one end on the switch valve body, the one end of rifle head is equipped with internal thread connecting portion, is provided with flexible pipe between rifle head and the extension pipe, coupling nut has been cup jointed respectively at flexible pipe both ends, the coupling nut of one of them end of flexible pipe and the one end threaded connection who keeps away from the switch valve body on the extension pipe, the cover is equipped with auxiliary handle on the extension pipe, and auxiliary handle can be personally submitted arbitrary angle fixedly with the axis level of extension pipe.

The beneficial effects of the utility model are as follows: the special structure of the flexible pipe can enable the fire-fighting lance to randomly change the jet direction, has no limitation of other components, can be further close to a fire source, improves jet precision, and is convenient for fire-fighting personnel to hold when the fire-fighting lance adjusts any angle.

Further, a connecting pipe with an external thread structure is arranged between the telescopic flexible pipe and the gun head, one end of the connecting pipe is in threaded connection with the internal thread connecting part of the gun head, and the other end of the connecting pipe is in threaded connection with a connecting nut on the telescopic flexible pipe, which is far away from one end of the extension pipe.

Further, the flexible pipe is made of rigid materials.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a portable and adjustable fire-fighting lance according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a portable adjustable fire-fighting lance according to the present utility model;

FIG. 3 is a schematic cross-sectional view illustrating a bending state of a portable and adjustable fire-fighting lance according to the present utility model.

The reference numerals in the drawings indicate: 100. a water gun base; 200. a switch valve body; 300. an extension tube; 400 gun heads; 500. a flexible tube; 600. an auxiliary handle; 700. and (5) connecting pipes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples are as follows:

the portable adjustable fire-fighting lance as shown in fig. 1 to 3, including a lance base 100 disposed at the rear end of the lance, a switch valve body 200 screwed on the lance base 100, an extension tube 300 screwed on the switch valve body 200 and far away from one end of the lance base 100, and a lance head 400 disposed at the front end of the lance, wherein one end of the lance head 400 is provided with an internal screwed connection portion, a flexible tube 500 is disposed between the lance head 400 and the extension tube 300, two ends of the flexible tube 500 are respectively sleeved with a connecting nut 800, one end of the flexible tube 500 is connected with one end of the extension tube 300 far away from the switch valve body 200 by screw threads, an auxiliary handle 600 is sleeved on the extension tube 300, wherein the auxiliary handle 600 is an anti-slip handle before 0810 type electric pick, a connecting tube 700 with an external screwed structure is disposed between the flexible tube 500 and the lance head 400, one end of the connecting tube 700 is screwed with an internal screwed connection portion of the lance head 400, and the other end of the flexible tube 500 is connected with the connecting nut 800 far away from one end of the extension tube 300 by screw threads, wherein the flexible tube 500 is made of steel material.

When the fire-fighting gun is used in a fire scene, the water gun base 100 is connected to one end of a fire-fighting water pipe, after water is introduced, the switch valve body 200 is opened, a fire fighter supports the fire-fighting pistol for fire extinguishment by one hand, the auxiliary handle 600 is gripped by one hand to adjust the jet direction, when encountering a fire source which is not easy to enter by the person but needs to extinguish the fire, the switch valve body 200 can be closed firstly according to the actual condition, then the telescopic flexible pipe 500 is bent to a reasonable angle, and the switch valve body 200 is opened for continuous fire extinguishment.

To sum up: the fire-fighting lance provided by the utility model has the advantages of simple structure and convenience in operation, can randomly change the jet direction during fire extinguishment, improves the jet precision and is convenient for firefighters to hold.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a fire-fighting lance with adjustable it is portable, includes the rifle base that sets up at the rifle rear end, fixes the switch valve body on the rifle base, fixes the extension tube and the rifle head of setting at the rifle front end of keeping away from rifle base one end on the switch valve body, its characterized in that: the automatic gun is characterized in that one end of the gun head is provided with an internal thread connecting part, a telescopic flexible pipe is arranged between the gun head and the extension pipe, connecting nuts are sleeved at two ends of the telescopic flexible pipe respectively, the connecting nut at one end of the telescopic flexible pipe is in threaded connection with one end of the extension pipe, which is far away from the switch valve body, and an auxiliary handle is sleeved on the extension pipe.

2. The portable and adjustable fire-fighting lance of claim 1 wherein: a connecting pipe with an external thread structure is arranged between the telescopic flexible pipe and the gun head, one end of the connecting pipe is in threaded connection with an internal thread connecting part of the gun head, and the other end of the connecting pipe is in threaded connection with a connecting nut on the telescopic flexible pipe, which is far away from one end of the extension pipe.

3. The portable and adjustable fire-fighting lance of claim 1 or 2 wherein: the telescopic flexible pipe is made of rigid materials.