CN219879000U

CN219879000U - Foam fire-fighting lance

Info

Publication number: CN219879000U
Application number: CN202321085379.1U
Authority: CN
Inventors: 李才有; 朱永红; 刘荣斌; 张秀华; 吴云华; 杨红兴
Original assignee: Yunnan Yunying Fire Control Facilities Maintenance Management Co ltd
Current assignee: Yunnan Yunying Fire Control Facilities Maintenance Management Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-24
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a foam fire-fighting lance, which comprises a lance head body, wherein the right end of the lance head body is fixedly connected with a conical head, two inclined air guide grooves are formed in the conical head, a single-direction air guide assembly is arranged in each of the two inclined air guide grooves, a transverse handle is arranged at the top of the lance head body, and a transverse handle is hinged to the outer side of the lance head body. According to the utility model, the gun head body is used as the device body to be connected with the fire-fighting water pipe, then foam is sprayed out through the gun head body through the supercharging equipment, and when fire-fighting foam is sprayed out, the interior of the conical head is sprayed out at a high speed, the gun head body is conveniently held and stabilized through the transverse handle and the transverse handle, so that the flow velocity in the conical head is high, the pressure intensity is small, and external air is sucked into the conical head through the inclined air guide groove to be mixed with the foam, thereby realizing the advantages of good air mixing effect, foaming effect improvement and no overflow of the device.

Description

Foam fire-fighting lance

Technical Field

The utility model relates to the technical field of fire-fighting lances, in particular to a foam fire-fighting lance.

Background

The foam fire-fighting lance is a fire-fighting equipment tool, is used for fire-fighting equipment on a fire-extinguishing site, can emit foam flow to extinguish fire, and has the defects of poor foaming effect, difficult operation, easy failure and the like.

Through searching, the patent with the application number of 202021478119.7 discloses a foam fire-fighting lance, and aims to solve the problem that the foaming effect is poor when compressed air foam is sprayed out of the existing fire-fighting lance. A foam fire-fighting lance comprises a lance head and a foaming pipe arranged at the water outlet end of the lance head, wherein an air inlet through hole is formed in the side wall of the foaming pipe. The foam fire-fighting lance provided by the disclosure is characterized in that a foaming pipe is arranged at the water outlet end of the lance head, and an air inlet through hole is formed in the side wall of the foaming pipe; when the foam is adopted to extinguish fire, the water outlet end of the water gun head rapidly ejects the foam, negative pressure is generated at the air inlet through hole, external air enters the foam from the air inlet through hole to promote further foaming, the foaming effect is improved, and the fire extinguishing effect of the foam is improved

But adopt the inlet port to realize air admission and foam mixing in above-mentioned scheme and promote foaming effect, but this kind of mode air can only realize mixing on the surface of bubble face stream after getting into, and mixing effect is poor, promotes foaming effect effectively to can also take place the overflow.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a foam fire-fighting lance.

In order to solve the above background technical problems, the present utility model adopts the following technical scheme.

The utility model provides a foam fire-fighting lance, includes the rifle head body, the right-hand member fixedly connected with conical head of rifle head body, two slope air guide grooves have been seted up to the inside of conical head, two the inside of slope air guide groove is all installed one-way air guide assembly, horizontal handle is installed at the top of rifle head body, the outside of rifle head body articulates there is horizontal handle.

As a further description of the above technical solution: the unidirectional air guide assembly comprises a unidirectional valve, a rotating block and a diversion auger, wherein the unidirectional valve is fixedly installed inside one end of the inclined air guide groove, the outer side of the rotating block is rotationally connected inside the inclined air guide groove, one side of the rotating block is fixedly connected with the diversion auger, and the other end of the diversion auger extends to the inside of the conical head.

As a further description of the above technical solution: two through holes are formed in the rotating block, and the inclined angles of the guide auger and the inclined air guide groove are consistent.

As a further description of the above technical solution: the cross handle is I-shaped in front section, and the finger engaging groove is formed in the cross handle.

As a further description of the above technical solution: the gun head body is provided with a flow regulating valve, and the flow regulating valve is positioned at the left side of the conical head.

As a further description of the above technical solution: the left side of rifle head body fixed mounting has the connector.

Compared with the prior art, the utility model has the advantages that:

this scheme is through the use of one-way air guide subassembly cooperation slope air guide groove to it is effectual to have realized that the device possesses the air mixing, promotes the foaming effect, and can not overflow the advantage.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;

fig. 4 is a schematic side sectional structure of the present utility model.

The reference numerals in the figures illustrate:

1. a gun head body; 2. a conical head; 3. an inclined air guide groove; 4. a one-way gas guide assembly; 41. a one-way valve; 42. a rotating block; 421. a through hole; 43. a diversion auger; 5. a transverse handle; 51. a finger engagement groove; 6. a handle is horizontally pulled; 7. a flow regulating valve; 8. and (5) a connector.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 4, in the utility model, a foam fire-fighting lance comprises a lance head body 1, wherein the right end of the lance head body 1 is fixedly connected with a conical head 2, two inclined air guide grooves 3 are formed in the conical head 2, a single-direction air guide component 4 is arranged in each of the two inclined air guide grooves 3, a transverse handle 5 is arranged at the top of the lance head body 1, and a transverse handle 6 is hinged to the outer side of the lance head body 1.

According to the utility model, the gun head body 1 is used as a device body and is connected with a fire-fighting water pipe, foam is sprayed out through the gun head body 1 through pressurizing equipment, and when fire-fighting foam is sprayed out, the gun head body 1 is conveniently held stably through the transverse handle 5 and the transverse handle 6, so that the flow velocity inside the conical head 2 is high and the pressure intensity is small, external air is sucked into the conical head 2 through the inclined air guide grooves 3 to be mixed with the foam, the foam flowing through is stirred while the foam overflow is avoided through the two unidirectional air guide assemblies 4, and the air flow is pushed to rotate by pushing the unidirectional air guide assemblies 4 when entering the conical head 2 through the inclined air guide grooves 3, so that the foam stirring is realized, the air and the foam are mixed efficiently, the foaming effect of the device is better, the air mixing effect is realized, the foaming effect is improved, the advantages of the air inlet and the foaming effect is improved without overflow are solved, the problem that the air inlet hole is adopted to realize the air inlet mixing and the foaming effect is only after the air inlet is mixed with the foam flow surface, the mixing effect is improved, and the possible overflow effect is also solved.

Please refer to fig. 3, wherein: the unidirectional air guide assembly 4 comprises a one-way valve 41, a rotating block 42 and a guide auger 43, wherein the one-way valve 41 is fixedly installed inside one end of the inclined air guide groove 3, the outer side of the rotating block 42 is rotationally connected inside the inclined air guide groove 3, one side of the rotating block 42 is fixedly connected with the guide auger 43, and the other end of the guide auger 43 extends to the inside of the conical head 2.

In the utility model, the air flow inside the inclined air guide groove 3 can only flow inwards through the one-way valve 41 to avoid foam overflow, and the air flow inside the inclined air guide groove 3 passes through the rotating block 42 and pushes the guide auger 43 to rotate when entering, so that the foam is stirred, the efficient mixing of the air is realized, and the foaming effect is improved.

Please refer to fig. 3, wherein: two through holes 421 are formed in the rotating block 42, and the inclination angle of the guide auger 43 is consistent with that of the inclined air guide groove 3.

In the present utility model, the air is created to pass through the rotation block 42 by the through hole 421, so that the air flow is more smoothly introduced.

Referring to fig. 1 and 2, the cross handle 5 is i-shaped in front view, and a finger engagement groove 51 is provided on the cross handle 5.

In the utility model, the hand holding is more stable by the finger engagement groove 51 on the transverse handle 5.

Please refer to fig. 1 and 2, wherein: the gun head body 1 is provided with a flow regulating valve 7, and the flow regulating valve 7 is positioned at the left side of the conical head 2.

In the utility model, the foam spraying amount of the gun head body 1 is conveniently regulated through the flow regulating valve 7, and the operation and the use are convenient.

Please refer to fig. 1 and 2, wherein: the left side of the gun head body 1 is fixedly provided with a connector 8.

In the utility model, the gun head body 1 is conveniently in butt joint with the fire-fighting water pipe through the connector 8, so that the gun head is convenient to use.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a foam fire-fighting lance, includes rifle head body (1), its characterized in that: the gun head is characterized in that the right end of the gun head body (1) is fixedly connected with a conical head (2), two inclined air guide grooves (3) are formed in the conical head (2), a single-direction air guide assembly (4) is arranged in each inclined air guide groove (3), a transverse handle (5) is arranged at the top of the gun head body (1), and a transverse handle (6) is hinged to the outer side of the gun head body (1).

2. The foam fire-fighting lance of claim 1 wherein: the unidirectional air guide assembly (4) comprises a unidirectional valve (41), a rotating block (42) and a diversion auger (43), wherein the unidirectional valve (41) is fixedly installed inside one end of the inclined air guide groove (3), the outer side of the rotating block (42) is rotationally connected to the inside of the inclined air guide groove (3), one side of the rotating block (42) is fixedly connected with the diversion auger (43), and the other end of the diversion auger (43) extends to the inside of the conical head (2).

3. The foam fire-fighting lance of claim 2 wherein: two through holes (421) are formed in the rotating block (42), and the inclination angle of the guide auger (43) is consistent with that of the inclined air guide groove (3).

4. The foam fire-fighting lance of claim 1 wherein: the cross handle (5) is I-shaped in front section, and a finger engagement groove (51) is formed in the cross handle (5).

5. The foam fire-fighting lance of claim 1 wherein: the gun head is characterized in that a flow regulating valve (7) is arranged on the gun head body (1), and the flow regulating valve (7) is positioned on the left side of the conical head (2).

6. The foam fire-fighting lance of claim 1 wherein: the left side of rifle head body (1) is fixed mounting has connector (8).