CN220870283U

CN220870283U - Fire hose capable of improving internal connectivity

Info

Publication number: CN220870283U
Application number: CN202322022955.4U
Authority: CN
Inventors: 黄挺
Original assignee: Zhejiang Hengsheng Fire Fighting Equipment Co ltd
Current assignee: Zhejiang Hengsheng Fire Fighting Equipment Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-04-30
Anticipated expiration: 2033-07-31

Abstract

A fire hose capable of improving internal connectivity belongs to the technical field of fire hose equipment; according to the method, the adhesive force can be improved by researching the adhesive mechanism of the inner layer and the outer layer, a plurality of convex tooth parts are uniformly distributed on the periphery of the inner layer in an outward protruding mode to form a saw tooth shape, the contact area is increased by about%, the adhesive force correspondingly rises, the connectivity between the inner layer and the coating layer is improved, the adhesive can be uniformly adhered by the gauze cloth, and the strength is improved; when the pipe body is filled with water and pressurized, the inner lining layer is provided with high water pressure, the water pressure applies pressure to the two arc-shaped air bag cavities, so that gas in the arc-shaped air bag cavities is filled into each expansion air bag, the outer side parts of the expansion air bags are expanded, the pipe body is held by a user conveniently, the pipe body is not easy to fall off, and a key effect can be achieved in the process of key fire fighting.

Description

Fire hose capable of improving internal connectivity

Technical Field

The utility model belongs to the technical field of fire hose equipment, and particularly relates to a fire hose capable of improving internal connectivity.

Background

The fire hose is mainly used in the field of urban fire control, water can be filled in the hose at any time, water can be discharged instantly when needed, time waste can be effectively avoided, and the fire hose is composed of an inner liner and a cladding layer.

The main technical difficulty of the fire hose is that the bonding force of the inner layer and the outer layer is the problem, the material cost is increased only by completely depending on the bonding of the materials, the method used in the industry at present is a method for brushing an adhesive between the inner layer and the outer layer, the manufacturing process is complex, the environment is polluted due to the volatilization of a solvent in the adhesive, the fastness is insufficient, and the other problem is that the existing pipe body is easy to take off hands when in use, and serious problems are caused in a fire fighting link.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a fire hose capable of improving internal connectivity.

The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides an improve fire hose of internal connection nature, includes the body, the body divide into the inner liner and sets up in the peripheral coating of inner liner, its characterized in that the outside protrusion of peripheral portion equipartition of inner liner is equipped with a plurality of dogtooth portions, be equipped with the indent corresponding with a plurality of dogtooth position on the internal face of coating, laid the yarn screen cloth between the internal face of coating and the external wall face of inner liner, and coated with the gluing agent on this yarn screen cloth.

Preferably, the end of the tooth part is a round head.

Preferably, arc-shaped air bag cavities are formed in the upper side and the lower side of the inner liner, a plurality of expansion air bags are uniformly distributed on the peripheral wall of the coating layer, the expansion air bags located at the upper half part of the coating layer are connected with the arc-shaped air bag cavities on the upper side of the inner liner through pipelines in a ventilation mode, and the expansion air bags located at the lower half part of the coating layer are connected with the arc-shaped air bag cavities on the lower side of the inner liner through pipelines in a ventilation mode.

Preferably, the wall of the side of the expansion air bag exposed outside the coating layer is thinner than the wall embedded inside the coating layer.

Preferably, the V-shaped notch is formed in two sides of the middle of the inner liner.

The utility model has the beneficial effects that:

according to the method, the adhesive force can be improved by researching the adhesive mechanism of the inner layer and the outer layer, a plurality of convex tooth parts are uniformly distributed on the periphery of the inner layer in an outward protruding mode to form a saw tooth shape, the contact area is increased by about 30%, the adhesive force correspondingly rises, the connectivity between the inner layer and the coating layer is improved, the adhesive can be uniformly adhered by the gauze cloth, and the strength is improved;

When the pipe body is filled with water and pressurized, the inner lining layer is provided with high water pressure, the water pressure applies pressure to the two arc-shaped air bag cavities, so that gas in the arc-shaped air bag cavities is filled into each expansion air bag, the outer side parts of the expansion air bags are expanded, the pipe body is held by a user conveniently, the pipe body is not easy to fall off, and a key effect can be achieved in the process of key fire fighting.

Drawings

FIG. 1 is a schematic cross-sectional view of a tube body of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a schematic view of an external structure of the pipe body of the present utility model.

In the figure: 1. an inner liner layer; 101. a tooth part; 102. an arc-shaped air bag cavity; 103. v notch; 2. a coating layer; 201. an inner concave portion; 202. inflating the balloon; 3. yarn net cloth.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: the utility model provides an improve fire hose of internal connectivity, shown in fig. 1-3, includes the body, the body divide into inner liner 1 and set up in the peripheral cladding layer 2 of inner liner 1, its characterized in that the peripheral portion equipartition of inner liner 1 outwards is bulged and is equipped with a plurality of dogtooth portions 101, be equipped with on the inner wall face of cladding layer 2 with a plurality of dogtooth portion 101 position corresponding indent 201, lay gauze 3 between the inner wall face of cladding layer 2 and the outer wall face of inner liner 1, and this gauze 3 coats and has the gluing agent, and through the bonding mechanism of research inner and outer layer, the discovery can improve the adhesion through increasing area's method, changes the inner liner 1 surface into the cockscomb structure from current plane, and area of contact has increased about 30%, and the adhesion correspondingly rises, realizes improving the connectivity between inner liner 1 and the cladding layer 2, gauze 3 plays and can even the adhesive of adhering, realizes promoting intensity.

Further, the end of the tooth portion 101 is a rounded end, and the rounded end can reduce the stress on the coating layer 2, so that the inner liner 1 and the coating layer 2 have better connectivity.

Further, arc gasbag chamber 102 is all equipped with in the upper and lower both sides of inner liner 1, the equipartition inlays on the peripheral wall of coating 2 is equipped with a plurality of inflation gasbag 202, be located between the arc gasbag chamber 102 of inner liner 1 upside and all pass through the pipeline and be connected with the inflation gasbag 202 of coating 2 upper half, be located between the arc gasbag chamber 102 of inner liner 1 downside and all pass through the pipeline and be connected with the inflation gasbag 202 of coating 2 lower half, the body is high water pressure in inner liner 1 when the water injection pressurization, and water pressure is exerted pressure to two arc gasbag chambers 102, makes the gas filling in the arc gasbag chamber 102 to each inflation gasbag 202, makes the outside inflation of inflation gasbag 202 realize convenient to use hand the body, is difficult for droing, can play the key effect in the in-process of key fire control fire.

Further, the wall of the inflatable balloon 202 exposed on the outer side of the coating layer 2 is thinner than the wall embedded on the inner side of the coating layer 2, and the structural design can make the inflatable balloon 202 easier to inflate, as shown in the structural display of fig. 2.

Furthermore, the two sides of the middle part of the inner liner 1 are provided with the V-shaped notch 103, so that the V-shaped notch 103 on the two sides can better flatten the pipe body when the pipe body is stored and wound, and the guiding purpose is realized.

The application principle of the utility model is as follows:

The periphery of the inner liner 1 is uniformly provided with the plurality of convex tooth parts 101 in an outward protruding way to form a saw-tooth shape, the contact area is increased by about 30%, the adhesive force is correspondingly increased, the connectivity between the inner liner 1 and the cladding layer 2 is improved, the gauze 3 is coated with the adhesive, the adhesive can be uniformly adhered on the gauze 3, the connection strength is improved, the inside of the inner liner 1 is high water pressure when the pipe body is injected with water and pressurized, the water pressure presses the two arc-shaped air bag cavities 102, the gas in the arc-shaped air bag cavities 102 is filled into each expansion air bag 202, the outer side part of the expansion air bag 202 is expanded, the pipe body is convenient for a user to hold, the pipe body is not easy to fall off, and the pipe body plays a key role in the process of key fire fighting and fighting;

When the pipe body is stored and wound, the V-shaped notch 103 on the two sides can better flatten the pipe body, and the guiding purpose is achieved.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims

1. The utility model provides an improve fire hose of internal connection nature, includes the body, the body divide into inner liner (1) and set up in inner liner (1) outlying coating (2), its characterized in that the outside protrusion of peripheral portion equipartition of inner liner (1) is equipped with a plurality of dogtooth portions (101), be equipped with on the internal face of coating (2) with a plurality of dogtooth portion (101) position corresponding concave part (201), lay gauze (3) between the internal face of coating (2) and the external wall face of inner liner (1), and the coating has the gluing agent on this gauze (3).

2. Fire hose with improved internal connectivity according to claim 1, characterized in that the ends of the tooth (101) are rounded.

3. The fire hose with improved internal connectivity according to claim 1, wherein arc-shaped air bag cavities (102) are formed in the upper side and the lower side of the inner liner (1), a plurality of expansion air bags (202) are uniformly distributed on the peripheral wall of the coating layer (2), the expansion air bags (202) located at the upper half part of the coating layer (2) are connected with the arc-shaped air bag cavities (102) on the upper side of the inner liner (1) through pipelines in a ventilation manner, and the expansion air bags (202) located at the lower half part of the coating layer (2) are connected with the arc-shaped air bag cavities (102) on the lower side of the inner liner (1) through pipelines in a ventilation manner.

4. A fire hose with improved internal connectivity according to claim 3, characterized in that the wall of the side of the inflatable bladder (202) exposed outside the coating (2) is thinner than the wall embedded inside the coating (2).

5. Fire hose with improved internal connectivity according to any of claims 1-4, characterized in that V-notches (103) are provided on both sides of the middle part of the lining (1).