Novel device for testing pressure performance of multi-layer pressure-resistant fire hose

By designing a multi-layer pressure-resistant fire hose pressure performance testing device controlled by a fixed cylinder, collar, and handwheel, the problems of complex operation and poor adaptability of existing devices have been solved. This device enables simple pressure testing and diameter adaptability, improves testing efficiency and accuracy, and ensures the reliability and safety of fire-fighting equipment.

CN223856868UActive Publication Date: 2026-01-30NANTONG DASHENG FIRE-FIGHTING HOSE CO LTD
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Patent Information

Application Number
CN202520197850.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-30
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Existing pressure performance testing devices for multi-layer pressure-resistant fire hoses are complex to operate and difficult to adapt to the needs of fire hoses of different diameters, affecting testing efficiency and accuracy.

Method used

A novel pressure performance testing device for multi-layer pressure-resistant fire hoses was designed. It adopts a fixed cylinder and collar structure, with the hose end fixed by locking bolts, water flow controlled by handwheel and threaded rod, and the hose can be easily installed and disassembled by combining a movable groove and a return spring. The pressure test is controlled by adjusting the size of the water groove.

Benefits of technology

It enables simple operation of fire hose pressure performance testing and flexibility to adapt to hoses of different diameters, improving testing efficiency and accuracy, and ensuring the reliability and safety of fire-fighting equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire hose pressure testing, and discloses a novel multi-layer pressure-resistant fire hose pressure performance testing device which comprises a base and a mounting seat, one side of the mounting seat is fixedly connected with a water inlet pipe, two lantern rings are arranged outside a fixed cylinder, two ends of the two lantern rings are in threaded connection with locking bolts, and the locking bolts are in threaded connection with the mounting seat. The bottom of the hand wheel is fixedly connected with a threaded rod, the bottom of the threaded rod is fixedly connected with a sealing plate, the sealing plate is movably connected to the middle of the water tank, the two ends of a fire hose are fixedly connected to the outer portion of the fixing cylinder in a sleeving mode through locking of two lantern rings, then a water pump is communicated with a water inlet pipe through a water pipe, and the hand wheel is rotated. The hand wheel drives the threaded rod to rotate, the threaded rod drives the sealing plate to move upwards to open the water tank, so that the water pump conveys water into the fire hose for testing, the conditions of fire water under different pressures are conveniently tested by adjusting and controlling the size of the water tank in the other mounting seat, and the operation is simple and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire hose pressure test technical field, concretely is a novel multilayer pressure resistant fire hose pressure performance testing device. BACKGROUND

[0002] Fire hose is one of the important equipment for fire extinguishing, its function is to deliver high pressure water or foam and other fire retardant liquid to the fire scene to extinguish the fire or control the spread of fire.

[0003] Traditional fire hose usually takes rubber as lining, and the outer surface is wrapped with flax braid. Advanced fire hose is made of polyurethane and other polymer materials. Both ends of the fire hose are provided with metal joints, which can be connected with another water hose to extend the distance, or connected with a nozzle to increase the liquid injection pressure.

[0004] With the increase of building height and the improvement of fire extinguishing demand, higher requirements are put forward for the pressure resistance of fire hose. The emergence of multilayer pressure resistant fire hose improves the reliability and stability of fire hose under high pressure environment, and provides stronger guarantee for fire fighting and rescue work.

[0005] In the production process, factors such as raw material quality difference and production process fluctuation may affect the pressure performance of fire hose. If the pressure performance of fire hose is not good enough, the fireman cannot effectively extinguish the fire, and the fire will spread rapidly, threatening the safety of the people in the building. Therefore, it is very important to test the pressure performance of multilayer pressure resistant fire hose, which is related to the effectiveness of fire fighting and rescue work and personnel safety.

[0006] In view of the above problems, it is urgent to make innovative design on the basis of existing fire hose pressure performance test. CONTENT OF THE UTILITY MODEL

[0007] In order to solve the technical problem of testing the pressure performance of existing multilayer pressure resistant fire hose, the utility model provides a novel multilayer pressure resistant fire hose pressure performance testing device.

[0008] The utility model discloses the following technical scheme is realized: A novel multilayer pressure -resistant fire -fighting water hose pressure performance testing device, including base and mounting seat, the bottom fixed mode connection of mounting seat is in the top of base, one side fixed mode connection of mounting seat has the water inlet pipe, the other side of mounting seat is processed with the slot, the inside plug -in connection of slot has the fixed cylinder, the other side of fixed cylinder is located in mounting seat, the outside of fixed cylinder is provided with two eye -splices, and the both ends of two eye -splices are connected with lock bolt with thread, the top of mounting seat is provided with hand wheel, the bottom fixed mode connection of hand wheel has the threaded rod, the bottom fixed mode connection of threaded rod has the sealing plate, and the inside of threaded rod is connected with thread in mounting seat, the inside processing of mounting seat has the water tank, and the middle part movable connection of water tank is in sealing plate.

[0009] Preferably, the inside of the mounting seat is processed with a movable groove, and the inside of the movable groove is movably connected with the sealing plate.

[0010] Preferably, one end of the water tank is communicated with the inside of the water inlet pipe, and the other end of the water tank is communicated with the inside of the fixed cylinder.

[0011] Preferably, a plurality of clamping blocks are fixedly connected to the outside of one end of the fixed cylinder, a plurality of grooves are processed on one side of the slot, and the clamping blocks are movably connected in the grooves.

[0012] Preferably, a rotating groove is processed on the inside of the groove, and the clamping blocks are movably connected in the rotating groove.

[0013] Preferably, a pull rod is arranged on one side of the mounting seat, and the pull rod is fixedly connected with a limiting rod on one side.

[0014] Preferably, one end of the limiting rod is movably connected in the mounting seat, and the other end of the limiting rod is plug-in connected in the clamping block.

[0015] Preferably, a reset spring is arranged on the outside of the limiting rod, one end of the reset spring is fixedly connected to the outside of the mounting seat, and the other end of the reset spring is fixedly connected with the inside of the pull rod.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In use, the two eye -splices lock tightly to fix the two ends of the fire -fighting water hose outside the fixed cylinder, the water pump is connected to a water inlet pipe through the water pipe, and the hand wheel is rotated, the threaded rod is rotated, the sealing plate is moved upward to open the water tank, so that the water pump delivers water to the inside of the fire -fighting water hose for testing, the size of the water tank in the other mounting seat is adjusted to facilitate the testing of the condition of the fire -fighting water under different pressures, and the operation is simple and convenient.

[0018] The utility model discloses when using, through pulling the pull rod makes the one end of spacing rod to get rid of the inside of the clamping block, then rotates fixed cylinder, and fixed cylinder will drive the clamping block rotation, and the clamping block will rotate along the inside of rotary groove, when the clamping block moves to the inside of the one end of recess, and the fixed cylinder is removed outward, thereby convenient dismantling and replacing fixed cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is mounting seat and fixed cylinder connecting structure schematic diagram of the utility model;

[0021] Figure 3 It is mounting seat sectional view of the utility model;

[0022] Figure 4 It is the utility model's Figure 3 It is the enlarged diagram of A part of the utility model.

[0023] In the drawing: 1, base;2, mounting seat;3, water inlet pipe;4, fixed cylinder;5, collar;6, locking bolt;7, hand wheel;8, threaded rod;9, sealing plate;10, movable groove;11, water tank;12, slot;13, clamping block;14, recess;15, rotary groove;16, pull rod;17, spacing rod;18, return spring. DETAILED DESCRIPTION

[0024] Below, combining the drawing and specific implementation, the utility model is described further, need explaining is, under the premise of not conflicting, the following described each embodiment or each technical feature between can be any combination and form new embodiment.

[0025] Example 1:

[0026] Please refer to Figure 1 - Figure 4 The utility model discloses a novel multilayer pressure-resistant fire hose pressure performance testing device, including base 1 and mounting seat 2, the bottom fixed type connection of mounting seat 2 is in the top of base 1, one side fixed type connection of mounting seat 2 has water inlet pipe 3, and the other side of mounting seat 2 is processed with slot 12, and the inside of slot 12 is insertedly connected with fixed cylinder 4, and fixed cylinder 4 is located at the other side of mounting seat 2, and the outside of fixed cylinder 4 is provided with two collars 5, and the both ends of two collars 5 are threadedly connected with locking bolt 6, and the top of mounting seat 2 is provided with hand wheel 7, and the bottom fixed type connection of hand wheel 7 has threaded rod 8, and the bottom fixed type connection of threaded rod 8 has sealing plate 9, and one end of threaded rod 8 is threadedly connected in the inside of mounting seat 2, and the inside of mounting seat 2 is processed with water tank 11, and sealing plate 9 is movably connected in the middle of water tank 11;

[0027] When the pressure performance test of the multi-layer pressure-resistant fire hose is needed, the two ends of the fire hose are respectively sleeved on the outside of the two fixed cylinders 4, and then the two sleeves 5 are moved to the outside of one end of the fire hose, and the two sleeves 5 are locked by the locking bolts 6, so that the two ends of the fire hose are sleeved and fixed on the outside of the fixed cylinders 4;

[0028] Secondly, the water pump is fixedly connected with a water inlet pipe 3 through a water pipe, and a hand wheel 7 at the top of the corresponding mounting seat 2 is rotated, the rotation of the hand wheel 7 drives the threaded rod 8 to rotate, the rotation of the threaded rod 8 drives the sealing plate 9 to move upwards, so as to open the water tank 11, and then the water is sequentially conveyed to the inside of the fire hose through the water pump, the water inlet pipe 3, the water tank 11 and the fixed cylinder 4 for testing, another hand wheel 7 is rotated to adjust the size of the water tank 11 in the other mounting seat 2, so as to conveniently control the pressure at the outlet end of the fire hose, thereby conveniently testing the pressure in the fire hose, and the operation is simple and convenient;

[0029] Further, the mounting seat 2 is internally processed with a movable groove 10, the sealing plate 9 is movably connected in the inside of the movable groove 10, one end of the water tank 11 is communicated with the inside of the water inlet pipe 3, and the other end of the water tank 11 is communicated with the inside of the fixed cylinder 4, when the threaded rod 8 drives the sealing plate 9 to move, the sealing plate 9 will move along the inside of the movable groove 10, and the size of the water tank 11 is conveniently controlled by controlling the rising height of the sealing plate 9;

[0030] Further, a plurality of clamping blocks 13 are fixedly connected on the outside of one end of the fixed cylinder 4, a plurality of grooves 14 are processed on one side of the slot 12, the clamping blocks 13 are movably connected in the inside of the grooves 14, and rotary grooves 15 are processed on the inside of the grooves 14, and the clamping blocks 13 are movably connected in the inside of the rotary grooves 15;

[0031] When the fire hoses with different diameters need to be tested, only the fixed cylinders 4 with different sizes need to be replaced, the operation is simple and convenient, the one end of the limiting rod 17 is separated from the inside of the clamping block 13, then the fixed cylinder 4 is rotated, the fixed cylinder 4 drives the clamping block 13 to rotate, the clamping block 13 rotates along the inside of the rotary groove 15, when the clamping block 13 moves to the inside of one end of the groove 14, the fixed cylinder 4 is moved outward, so that the fixed cylinder 4 is conveniently disassembled and replaced;

[0032] Further, a pull rod 16 is arranged on one side of the mounting seat 2, the limiting rod 17 is fixedly connected on one side of the pull rod 16, one end of the limiting rod 17 is movably connected in the inside of the mounting seat 2, and the other end of the limiting rod 17 is insertedly connected in the inside of the clamping block 13;

[0033] When the fixed cylinder 4 needs to be rotated, the pull rod 16 is pulled outward, the pull rod 16 drives the limiting rod 17 to move outward, the limiting rod 17 moves along the inside of the mounting seat 2, one end of the limiting rod 17 is separated from the inside of the clamping block 13, thereby releasing the limiting of the clamping block 13, and the fixed cylinder 4 is conveniently rotated and disassembled;

[0034] Further, the outside of the limiting rod 17 is provided with a reset spring 18, one end of the reset spring 18 is fixedly connected to the outside of the mounting seat 2, and the other end of the reset spring 18 is fixedly connected to the inside of the pull rod 16.

[0035] Wherein, by setting the reset spring 18, when pulling the pull rod 16, the pull rod 16 will drive the reset spring 18 to stretch, when the pull rod 16 is released, the reset spring 18 resets and shrinks, and the reset spring 18 drives the limiting rod 17 to move, so that the limiting rod 17 is inserted into the inside of the pull rod 16.

[0036] Working principle: the two ends of the fire hose are respectively sleeved on the outside of the two fixed cylinders 4, then the two sleeves 5 are locked by the locking bolts 6, so that the two ends of the fire hose are sleeved and fixed on the outside of the fixed cylinders 4, then the water pump is connected to an inlet pipe 3 through a water pipe, and the corresponding hand wheel 7 is rotated, the hand wheel 7 drives the threaded rod 8 to rotate, the threaded rod 8 drives the sealing plate 9 to move upward to open the water tank 11, so that the water pump delivers water to the inside of the fire hose through the water tank 11 for testing, another hand wheel 7 is rotated, so that the size of the water tank 11 in the other mounting seat 2 can be adjusted, the pressure of the outlet end of the fire hose is conveniently controlled, and then the different sizes of pressure borne by the inside of the fire hose are conveniently tested, and the operation is simple and convenient.

[0037] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the scope of protection of the present application, and any non-substantial changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.

Claims

1. A novel multi-layer pressure-resistant fire hose pressure performance testing device, comprising a base (1) and a mounting seat (2), characterized in that, The bottom of mounting seat (2) is fixedly connected to the top of base (1), one side of mounting seat (2) is fixedly connected with water inlet pipe (3), the other side of mounting seat (2) is processed with slot (12), the inside of slot (12) is insertedly connected with fixed cylinder (4), fixed cylinder (4) is located at the other side of mounting seat (2), the outside of fixed cylinder (4) is provided with two collars (5), the both ends of two collars (5) are threadedly connected with locking bolts (6), the top of mounting seat (2) is provided with hand wheel (7), the bottom of hand wheel (7) is fixedly connected with threaded rod (8), the bottom of threaded rod (8) is fixedly connected with sealing plate (9), one end of threaded rod (8) is threadedly connected in the inside of mounting seat (2), the inside of mounting seat (2) is processed with water tank (11), sealing plate (9) is movably connected in the middle of water tank (11).

2. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 1, characterized in that, The inside of mounting seat (2) is processed with movable groove (10), sealing plate (9) is movably connected in the inside of movable groove (10).

3. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 1, characterized in that, One end of water tank (11) is communicated with the inside of water inlet pipe (3), the other end of water tank (11) is communicated with the inside of fixed cylinder (4).

4. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 1, characterized in that, One end of fixed cylinder (4) is fixedly connected with a plurality of clamping blocks (13) outside, one side of slot (12) is processed with a plurality of recesses (14), clamping block (13) is movably connected in the inside of recess (14).

5. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 4, characterized in that, The inside of recess (14) is processed with rotating groove (15), clamping block (13) is movably connected in the inside of rotating groove (15).

6. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 1, characterized in that, One side of mounting seat (2) is provided with pull rod (16), one side of pull rod (16) is fixedly connected with limiting rod (17).

7. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 6, characterized in that, One end of limiting rod (17) is movably connected in the inside of mounting seat (2), one end of limiting rod (17) is insertedly connected in the inside of clamping block (13).

8. The novel multi-layer pressure-resistant fire hose pressure performance testing device according to claim 7, characterized in that, The outside of limiting rod (17) is provided with reset spring (18), one end of reset spring (18) is fixedly connected outside mounting seat (2), the other end of reset spring (18) is fixedly connected with the inside of pull rod (16).