Anti-blocking fire hose

By incorporating cutting blades and ball bearings inside the fire hose, the problem of easy clogging in fire hoses is solved, achieving impurity crushing and guide winding of the hose body, thus improving usability and wear resistance.

CN223810779UActive Publication Date: 2026-01-20TAIZHOU SANJIANG FIRE CONTROL EQUIP CO LTD
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Patent Information

Application Number
CN202520229825.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-01-20
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing fire hoses are prone to clogging by impurities in the water during use, making rescue operations difficult.

Method used

Cutting blades and ball bearings are installed inside the fire hose to crush impurities using the impact force of water flow, and secondary crushing is achieved through a rotating structure. Meanwhile, grooves and ridges are provided on the surface of the hose to facilitate winding and handling.

Benefits of technology

It effectively prevents impurities from accumulating and clogging, improves the usability and ease of operation of fire hoses, and enhances wear resistance and tensile strength.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223810779U_ABST
    Figure CN223810779U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-blocking fire hose which comprises a hose body and an end head, one end of the hose body is fixedly connected with the end head, one end of the end head is movably connected with a water gun, the other end of the hose body is fixedly connected with a connector, the interior of the connector is movably connected with a connecting block, and cutting blades are installed in the end head and the connector. A protruding strip is arranged on one side of the surface of the pipe body, a groove is formed in the other side of the surface of the pipe body, and a connecting groove is formed in one end of the connector. Through the arrangement of the cutting blades, when equipment is connected, water flow is usually high in speed, the cutting blades are impacted to rotate through the balls at the edges, impurities in the water flow are smashed, the cutting blades are in a T shape, the impurities in the front and on the two sides can be smashed, then the impurities pass through the cutting blades again when being sprayed out from the end, and the impurities in the water flow are smashed. And secondary crushing is achieved, so that the phenomenon that impurities are accumulated and blocked in the pipe body is avoided, and usability is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, especially a kind of anti-blocking fire hose. BACKGROUND

[0002] Fire hose is also called fire water hose, it is indispensable in fire fighting equipment, usually used to transport high-pressure water or liquid such as fire-retardant foam, both ends of the hose are provided with connectors to connect the hose to extend the distance or connect the nozzle to increase the jet pressure, thereby increasing the practicality of the equipment.

[0003] Therefore, the patent specification with publication number CN 209221384 U discloses a fire hose, which belongs to the technical field of fire fighting equipment, and has a belt body. The belt body includes, from the outside to the inside, a transparent outer rubber layer, a belt embryo and an inner rubber layer. A glue layer with evenly distributed fluorescent powder is provided between the outer rubber layer and the belt embryo. The utility model has good wear resistance and pressure resistance, and good identification effect, which can create favorable conditions for rescue.

[0004] The above-mentioned fire hose has good identification effect due to the glue layer with evenly distributed fluorescent powder between the outer rubber layer and the belt embryo. However, due to different rescue environments, it may be necessary to take water on the spot, and there may be impurities in the water used, which can easily cause blockage when passing through the hose, making rescue difficult and increasing the difficulty. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an anti-blocking fire hose to solve the defect that the existing fire hose is easy to block.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an anti-blocking fire hose, comprising a pipe body and an end head, one end of the pipe body is fixedly connected with the end head, one end of the end head is movably connected with a water gun, the other end of the pipe body is fixedly connected with a connector, the inside of the connector is movably connected with a connecting block, the inside of the end head and the connector is provided with a connecting frame, the inside of the connecting frame is provided with a cutting blade, the tail end of the cutting blade is fixedly connected with a ball, one side of the surface of the pipe body is provided with a convex strip, the other side of the surface of the pipe body is provided with a groove, one end of the connector is provided with a connecting groove.

[0007] Preferably, the water gun and the connecting block are fixedly connected with convex blocks at opposite ends, and the outer surface of the convex blocks is provided with external threads.

[0008] Preferably, the end and the joint are internally provided with a notch, and the minimum inner diameter of the notch is greater than the outer diameter of the cutting blade, the cutting blade is in the shape of "T", and a rotating structure is formed between the cutting blade and the connecting frame, by arranging the cutting blade, the cutting of the accumulated material in the pipe body is facilitated, so that the pipe body is not blocked.

[0009] Preferably, the notch is internally provided with an internal thread matched with an external thread, the water gun and the end are threadedly connected, and the connecting block and the joint are threadedly connected, so that the cutting blade is replaced, and the operation is simple.

[0010] Preferably, the surface of the pipe body is provided with a wear-resistant layer, and the material of the wear-resistant layer is a high polymer material, so as to strengthen the wear resistance and tensile resistance of the pipe body and strengthen the practicality.

[0011] Preferably, the material of the groove and the convex strip is PVC material, and the groove and the convex strip are symmetrically distributed about the center line of the pipe body.

[0012] Preferably, the outer diameter of the convex strip is smaller than the inner diameter of the groove, and a clamping structure is formed between the groove and the convex strip, which plays a guiding role in the rolling process of the pipe body and does not slide off, and after rolling, it is convenient to carry and is not easy to scatter.

[0013] The anti-blocking fire hose has the advantages that: the cutting blade is arranged, the notch in the end and the joint is internally provided with the cutting blade, when the nozzle is opened, the water flow speed is usually fast, the water flow rapidly passes through the joint, impacts the cutting blade, and makes the ball at the edge of the cutting blade rotate in the connecting frame to generate vortex, so as to crush the impurities in the water flow, the cutting blade is in the shape of "T", and the impurities in front and on both sides can be crushed, then the water flow is sprayed out of the end and passes through the cutting blade again to realize secondary crushing, the water gun and the connecting block are rotated, the cutting blade can be replaced after the end and the joint are separated, so that the pipe body is not blocked by the impurities, and the use is strengthened.

[0014] The groove and the convex strip are arranged, the pipe body is folded, the groove and the convex strip are folded outside, then the pipe body is rolled inwards, the convex strip is pressed into the groove, the pipe body plays a guiding role in the rolling process and does not slide off, and after rolling, it is convenient to carry and is not easy to scatter, so that the rolling is simple and convenient.

[0015] The wear-resistant layer is arranged, the pipe body is externally provided with the wear-resistant layer, the material of the wear-resistant layer is a high polymer material, the wear-resistant layer has strong tensile resistance, bending resistance, high hardness and good wear resistance, so as to strengthen the wear resistance and tensile resistance of the pipe body and strengthen the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is the front view cross section structure schematic view of the utility model;

[0018] Figure 3 It is the joint front view cross section structure schematic view of the utility model;

[0019] Figure 4 It is the joint side view cross section structure schematic view of the utility model;

[0020] Figure 5 It is the cutting blade side view structure schematic view of the utility model;

[0021] Figure 6 It is the cutting blade side view cross section structure schematic view of the utility model.

[0022] In the drawing: 1, water gun; 2, end head; 3, connecting block; 4, joint; 5, pipe body; 6, lug; 7, wear-resistant layer; 8, recess; 9, convex strip; 10, cutting blade; 11, connecting groove; 12, connecting frame; 13, ball. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a kind of anti-blocking fire hose, including pipe body 5 and end head 2, one end of pipe body 5 is fixedly connected with end head 2, and one end of end head 2 is movably connected with water gun 1, the other end of pipe body 5 is fixedly connected with joint 4, joint 4 is movably connected with connecting block 3 in its inside, and the opposite end of water gun 1 and connecting block 3 is fixedly connected with lug 6, and lug 6 is provided with external thread outside, connecting frame 12 is installed in the inside of end head 2 and joint 4, and cutting blade 10 is arranged in the inside of connecting frame 12, the tail end of cutting blade 10 is fixedly connected with ball 13, slot is arranged in the inside of end head 2 and joint 4, and the minimum inner diameter of slot is greater than the outer diameter of cutting blade 10, cutting blade 10 is in "T" shape, and rotating structure is formed between cutting blade 10 and connecting frame 12, internal thread that cooperates with external thread is arranged in the inside of slot, water gun 1 and end head 2 are threadedly connected, connecting block 3 and joint 4 are threadedly connected.

[0025] Refer to the attached drawings Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 When the device is in use, the connecting frame 12 is first placed in the notches in the end head 2 and the connector 4, then the rotary gun 1 and the connecting block 3 are fixed between the end head 2 and the connector 4, so that the connecting frame 12 is fixed, then the connector 4 is connected to the equipment through the connecting slot 11, the water flow is usually fast, and the cutting blade 10 is impacted to rotate inside the connecting frame 12 through the ball 13 at the edge to generate a vortex, so that impurities in the water flow are crushed, the cutting blade 10 is in a "T" shape, and impurities in front and on both sides can be crushed, then the water flow is sprayed out from the end head 2 again to pass through the cutting blade 10 to realize secondary crushing, and the rotary gun 1 and the connecting block 3 are separated from the end head 2 and the connector 4, so that the cutting blade 10 can be disassembled and replaced, so that impurities are not accumulated and blocked in the pipe body 5, and the usability is improved;

[0026] One side of the surface of the pipe body 5 is provided with a convex strip 9, the other side of the surface of the pipe body 5 is provided with a groove 8, the groove 8 and the convex strip 9 are made of PVC material, the groove 8 and the convex strip 9 are symmetrically distributed about the center line of the pipe body 5, the outer diameter of the convex strip 9 is smaller than the inner diameter of the groove 8, and a clamping structure is formed between the groove 8 and the convex strip 9, one end of the connector 4 is provided with a connecting slot 11, and the surface of the pipe body 5 is provided with a wear-resistant layer 7, and the material of the wear-resistant layer 7 is a high-molecular polymer material.

[0027] Refer to the attached drawings Figure 2 When the device is in use, the outside of the pipe body 5 is provided with a wear-resistant layer 7, the material of the wear-resistant layer 7 is a high-molecular polymer material, which has strong tensile and bending resistance, and also has very high hardness and good wear resistance, so as to improve the wear resistance and tensile resistance of the pipe body 5 and improve the practicability, when the use is finished, the hose is disassembled, the pipe body 5 is folded, the groove 8 and the convex strip 9 are folded outside, then the pipe body 5 is rolled inward, so that the convex strip 9 is extruded into the groove 8, the pipe body 5 plays a guiding role in the rolling process and cannot slide, and after rolling, the pipe body 5 is convenient to carry and is not easy to scatter, and the operation is simple.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fire hose with anti-blocking function, comprising a pipe body (5) and a head (2); Characterized in that: One end of the pipe body (5) is fixedly connected with the head (2), and one end of the head (2) is movably connected with a water gun (1); The other end of the pipe body (5) is fixedly connected with a connector (4), and the inside of the connector (4) is movably connected with a connecting block (3), the inside of the head (2) and the connector (4) is provided with a connecting frame (12), and the inside of the connecting frame (12) is provided with a cutting blade (10), and the tail end of the cutting blade (10) is fixedly connected with a ball (13); One side of the surface of the pipe body (5) is provided with a convex strip (9), and the other side of the surface of the pipe body (5) is provided with a groove (8), and one end of the connector (4) is provided with a connecting groove (11).

2. A non-clogging fire hose according to claim 1, characterized in that: The opposite end of the water gun (1) and the connecting block (3) is fixedly connected with a convex block (6), and the outside of the convex block (6) is provided with external threads.

3. A non-clogging fire hose according to claim 1, wherein: The inside of the head (2) and the connector (4) is provided with a notch, and the minimum inner diameter of the notch is greater than the outer diameter of the cutting blade (10), the cutting blade (10) is in the shape of "T", and the cutting blade (10) and the connecting frame (12) form a rotating structure.

4. A non-clogging fire hose according to claim 3, wherein: The inside of the notch is provided with internal threads matched with the external threads, the water gun (1) and the head (2) are threadedly connected, and the connecting block (3) and the connector (4) are threadedly connected.

5. A non-clogging fire hose according to claim 1, wherein: The surface of the pipe body (5) is provided with a wear-resistant layer (7), and the material of the wear-resistant layer (7) is a high molecular polymer material.

6. A non-clogging fire hose according to claim 1, wherein: The material of the groove (8) and the convex strip (9) is PVC, and the groove (8) and the convex strip (9) are symmetrically distributed about the center line of the pipe body (5).

7. A non-clogging fire hose according to claim 1, wherein: The outer diameter of the convex strip (9) is smaller than the inner diameter of the groove (8), and the groove (8) and the convex strip (9) form a clamping structure.

Citation Information

Patent Citations

  • Fire hose

    CN209221384U