Hose reel for fire safety

By designing a detachable reel and replacement roller structure, the problem of needing to completely disassemble the fire hose reel when it ages has been solved, enabling rapid replacement and stable installation of the fire hose, improving maintenance efficiency and saving costs.

CN224370540UActive Publication Date: 2026-06-19SHANGHAI JINGCHEN FIRE TECH ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI JINGCHEN FIRE TECH ENG CO LTD
Filing Date
2025-07-01
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing fire hose reels require complete disassembly and replacement when the fire hoses age, resulting in resource waste and low maintenance efficiency.

Method used

A fire hose reel comprising a reel body, hose connectors, and a replacement mechanism has been designed. The reel and replacement roller structure enable rapid replacement of the fire hose, while the combination of limit blocks and limit grooves ensures stable installation and convenient replacement of the fire hose.

Benefits of technology

This technology enables rapid replacement of fire hoses, improving replacement efficiency, saving resources, and enhancing maintenance efficiency and device stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hose reel for fire safety relates to the field of fire safety, including reel main part, reel main part outer wall fixed installation has the hose joint, and hose joint end portion detachably installs the fire hose, reel main part outer wall is equipped with the replacement mechanism, the replacement mechanism includes the reel of fixed mounting in reel main part outer wall, and reel outer wall fixed mounting has the limit block, limit block outer wall sliding installation has the replacement roll, reel end portion is connected with reel cover, reel main part outer wall is equipped with the limiting mechanism. This hose reel for fire safety, through the setting of replacement mechanism, realizes the quick and convenient replacement of fire hose, does not need to dismantle entire fire hose reel, improves the replacement efficiency and saves the cost simultaneously, and, through setting up the limiting mechanism, makes fire hose reel not to take place when using the situation of installation board random swing in the outer wall of rotating shaft, effectively ensures the stability of device and has the convenience simultaneously.
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Description

Technical Field

[0001] This utility model relates to the field of fire safety technology, specifically a flexible hose reel for fire safety. Background Technology

[0002] Fire safety, as a crucial component of the public safety system, is of paramount importance. It is closely linked to the safety of people's lives and property, and plays a decisive role in social stability, harmony, and sound economic development. It encompasses a series of activities, including preventing fires, effectively extinguishing fires, and reducing fire hazards. Once a fire breaks out, it spreads like wildfire, ruthlessly devouring lives, causing incalculable property losses, and severely impacting social order, even hindering the normal operation of the economy. Fire hose reels are essential firefighting equipment.

[0003] In the prior art, Chinese Patent Application No. CN202320643567.5 discloses a rust-resistant and robust fire hose reel, including a fire hose reel body. A wall-mounted bracket is fixedly installed on the left side of the front of the fire hose reel body. By setting a high-strength layer, an aluminum-magnesium alloy layer, an aluminum-silicon alloy layer, a waterproof layer, a polyurethane waterproof coating layer, an acrylic waterproof coating layer, a rust-proof layer, an iron oxide red phenolic paint layer, and a gray paint layer in combination, the advantages of improving the strength and rust resistance of the fire hose reel are achieved. This effectively increases the strength of the fire hose reel when it is impacted, preventing the fire hose reel from being deformed or damaged by impact, and extending the service life of the fire hose reel. At the same time, the fire hose reel can effectively improve its rust resistance during long-term use, preventing the fire hose reel from rusting and corroding, and extending the service life of the fire hose reel.

[0004] Based on the above information, it can be seen that when a fire hose needs to be replaced due to aging, the entire fire hose must be disassembled and replaced, which leads to a waste of resources and seriously affects maintenance efficiency. Therefore, further improvements are needed. Utility Model Content

[0005] The purpose of this utility model is to provide a hose reel for fire safety, in order to solve the problem mentioned in the background art that when the fire hose reel needs to be replaced due to aging, the entire fire hose needs to be disassembled and replaced, which leads to resource waste and seriously affects maintenance efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a hose reel for fire safety, comprising a reel body, a hose connector fixedly installed on the outer wall of the reel body, and a fire hose detachably installed at the end of the hose connector, and a replacement mechanism for replacing the fire hose provided on the outer wall of the reel body;

[0007] The replacement mechanism includes a roller fixedly installed on the outer wall of the reel body, and a limit block fixedly installed on the outer wall of the roller. A replacement roller is slidably installed on the outer wall of the limit block. Both the roller and the replacement roller have replacement grooves corresponding to the fire hose on their outer walls. The end of the roller is threadedly connected to a reel cover. The inner wall of the replacement roller has an installation groove corresponding to the end of the reel cover. The outer wall of the reel body is provided with a limit mechanism for fixing the reel body.

[0008] Furthermore, the roller is located at the center of the reel body, and the hose connector is located inside the roller. The replacement groove has a U-shaped cross-section and an open design at the end near the reel cover.

[0009] Furthermore, multiple sets of limiting blocks are provided at equal angles on the outer wall of the roller, and the length of the limiting blocks is less than the length of the roller, and the end corners of the limiting blocks are designed with bevels.

[0010] Furthermore, the replacement roller has an "I" shaped cross-section, with one end of the outer wall of the replacement roller fitting against the inner wall of the reel body, and the other end of the outer wall of the replacement roller fitting against the inner wall of the reel cover. The inner wall of the replacement roller is provided with a limiting groove corresponding to the limiting block, and the limiting groove is a through groove that penetrates the inner wall of the replacement roller.

[0011] Furthermore, the reel cover is provided corresponding to the end of the reel, and the outer wall of the reel has mounting threads for installing the reel cover, and the inner wall of the replacement roller has mounting grooves corresponding to the end of the reel cover.

[0012] Furthermore, the limiting mechanism includes a mounting plate rotatably mounted on the outer wall of the reel body, and a rotating shaft is rotatably mounted on the end of the mounting plate. The outer wall of the rotating shaft is provided with a mounting seat, the outer wall of the mounting seat is provided with a slot, and the outer wall of the rotating shaft is sleeved with a limiting spring.

[0013] Furthermore, the length of the rotating shaft is greater than the length of the end of the mounting plate, and one end of the limiting spring is in contact with the outer wall of the top of the mounting base, while the other end of the limiting spring is in contact with the outer wall of the top of the mounting plate.

[0014] Furthermore, the slot is located on the outer wall of the bottom end of the mounting base, and the slot is correspondingly provided with the mounting plate, and the outer wall of the slot is in contact with the outer wall of the mounting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This fire hose reel is used for fire safety. When the fire hose needs to be replaced due to aging, simply unscrew the reel cover to release the restriction on the replacement roller. Disconnect the end of the fire hose from the hose connector inside the reel. Slide the fire hose and the replacement roller together along the limit block to remove them. Then, reinstall the new fire hose and replacement roller on the outer wall of the reel. Align the end of the reel cover with the installation groove and tighten it to complete the replacement. This allows for quick and convenient replacement of aging fire hoses without disassembling the entire fire hose reel, improving replacement efficiency and saving costs.

[0017] Furthermore, by rotating the mounting plate, it is positioned in the corresponding slot. Under the pressure of the limiting spring, the mounting plate is pressed into the slot, which limits its position. This restricts the angle of the mounting plate when using the fire hose reel, preventing it from swinging freely on the outer wall of the rotating shaft. When the fire hose reel needs to be retracted after use, simply pull the mounting plate upwards to disengage it from the slot, thus storing the fire hose reel. This effectively ensures the stability of the device while also providing convenience. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the main body of the reel of this utility model;

[0020] Figure 3 This is a schematic diagram of the replacement mechanism of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of this utility model after removing the reel cover and replacing the rollers;

[0022] Figure 5 This is a schematic cross-sectional view of the reel cover, reel, and replacement roller of this utility model.

[0023] Figure 6 This is a schematic diagram of the mounting base and slot structure of this utility model;

[0024] Figure 7 This is a schematic diagram of the replacement roller structure of this utility model.

[0025] In the diagram: 1. Reel body; 101. Hose connector; 102. Fire hose; 2. Mounting plate; 3. Mounting base; 301. Slot; 302. Rotating shaft; 303. Limiting spring; 4. Reel roller; 401. Limiting block; 402. Mounting thread; 5. Replacement roller; 501. Replacement groove; 502. Limiting groove; 503. Mounting groove; 6. Reel cover. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: Please refer to Figure 1-7 This utility model provides the following technical solution: A hose reel for fire safety, comprising a reel body 1, a hose connector 101 fixedly installed on the outer wall of the reel body 1, and a fire hose 102 detachably installed at the end of the hose connector 101. The outer wall of the reel body 1 is provided with a replacement mechanism for replacing the fire hose 102. The replacement mechanism includes a reel 4 fixedly installed on the outer wall of the reel body 1, and a limiting block 401 fixedly installed on the outer wall of the reel 4. A replacement roller 5 is slidably installed on the outer wall of the limiting block 401. Both the reel 4 and the replacement roller 5 have replacement grooves 501 corresponding to the fire hose 102 on their outer walls. A reel cover 6 is threadedly connected to the end of the reel 4. An installation groove 503 corresponding to the end of the reel cover 6 is opened on the inner wall of the replacement roller 5. The reel 4 is located at the center of the reel body 1, and the hose connector 101 is located inside the reel 4. The replacement groove 501 has a U-shaped cross-section and an open end near the reel cover 6. Multiple sets of limiting blocks 401 are set at equal angles on the outer wall of the reel 4, and the length of the limiting blocks 401 is less than the length of the reel 4. The corners of the limiting blocks 401 are beveled. The replacement roller 5 has an I-shaped cross-section, and the outer wall of one end of the replacement roller 5 is in contact with the inner wall of the reel body 1. The outer wall of the other end of the replacement roller 5 is in contact with the inner wall of the reel cover 6. The inner wall of the replacement roller 5 has a limiting groove 502 corresponding to the limiting block 401. The limiting groove 502 is a through groove that penetrates the inner wall of the replacement roller 5. The reel cover 6 is set corresponding to the end of the reel 4. The outer wall of the reel 4 has an installation thread 402 for installing the reel cover 6. The inner wall of the replacement roller 5 has an installation groove 503 corresponding to the end of the reel cover 6.

[0028] When the fire hose 102 needs to be replaced due to aging, unscrew the reel cover 6 to release the restriction of the reel cover 6 on the replacement roller 5. Disconnect the end of the fire hose 102 from the hose connector 101 inside the reel 4. Slide the fire hose 102 and the replacement roller 5 together along the limiting block 401 to remove them. Then reinstall the new fire hose 102 and the replacement roller 5 on the outer wall of the reel 4. Align the end of the reel cover 6 with the mounting groove 503 and tighten it to complete the replacement. This allows for quick and convenient replacement of the aging fire hose 102 without disassembling the entire fire hose 102 reel, improving replacement efficiency and saving costs.

[0029] Example 2: Based on Example 1, a limiting mechanism is also disclosed, the specific structure of which is as follows: The outer wall of the reel body 1 is provided with a limiting mechanism for fixing the reel body 1. The limiting mechanism includes a mounting plate 2 rotatably mounted on the outer wall of the reel body 1, and a rotating shaft 302 is rotatably mounted at the end of the mounting plate 2. The outer wall of the rotating shaft 302 is provided with a mounting seat 3. The outer wall of the mounting seat 3 is provided with a slot 301. A limiting spring 303 is sleeved on the outer wall of the rotating shaft 302. The length of the rotating shaft 302 is greater than the length of the end of the mounting plate 2. One end of the limiting spring 303 is in contact with the top outer wall of the mounting seat 3, and the other end of the limiting spring 303 is in contact with the top outer wall of the mounting plate 2. The slot 301 is located on the bottom outer wall of the mounting seat 3, and the slot 301 is correspondingly set with the mounting plate 2. The outer wall of the slot 301 is in contact with the outer wall of the mounting plate 2.

[0030] Rotate the mounting plate 2 so that it is positioned in the corresponding position of the slot 301. Under the pressure of the limiting spring 303, the mounting plate 2 is pressed into the slot 301, which limits the mounting plate 2. This restricts the angle of the mounting plate 2 when using the fire hose reel 102, preventing the mounting plate 2 from swinging freely on the outer wall of the rotating shaft 302. When the fire hose reel needs to be retracted after use, simply pull the mounting plate 2 upward to disengage it from the slot 301 and store the fire hose reel. This effectively ensures the stability of the device while also providing convenience.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hose reel for fire safety, comprising a reel body (1), wherein a hose connector (101) is fixedly installed on the outer wall of the reel body (1), and a fire hose (102) is detachably installed at the end of the hose connector (101), and a replacement mechanism for replacing the fire hose (102) is provided on the outer wall of the reel body (1); characterized in that The replacement mechanism includes a roller fixedly installed on the outer wall of the reel body (1), and a limiting block (401) fixedly installed on the outer wall of the roller (4). A replacement roller (5) is slidably installed on the outer wall of the limiting block (401). The outer walls of the roller (4) and the replacement roller (5) are both provided with replacement grooves (501) corresponding to the fire hose (102). The end of the roller (4) is threadedly connected to the reel cover (6). The inner wall of the replacement roller (5) is provided with an installation groove (503) corresponding to the end of the reel cover (6). The outer wall of the reel body (1) is provided with a limiting mechanism for fixing the reel body (1).

2. A hose reel for fire safety according to claim 1, characterized in that: The roller (4) is located at the center of the reel body (1), and the hose connector (101) is located inside the roller (4). The replacement groove (501) has a U-shaped cross-section and an open design at one end of the replacement groove (501) near the reel cover (6).

3. A hose reel for fire safety according to claim 1, characterized in that: The limiting block (401) is provided in multiple sets at equal angles on the outer wall of the roller (4), and the length of the limiting block (401) is less than the length of the roller (4), and the end corner of the limiting block (401) is designed with an oblique angle.

4. A hose reel for fire safety according to claim 1, characterized in that: The replacement roller (5) has an "I" shaped cross section, and one end of the outer wall of the replacement roller (5) is in contact with the inner wall of the reel body (1), and the other end of the outer wall of the replacement roller (5) is in contact with the inner wall of the reel cover (6). The inner wall of the replacement roller (5) is provided with a limiting groove (502) corresponding to the limiting block (401), and the limiting groove (502) is a through groove that penetrates the inner wall of the replacement roller (5).

5. A hose reel for fire safety according to claim 1, characterized in that: The reel cover (6) is provided corresponding to the end of the reel (4), and the outer wall of the reel (4) is provided with an installation thread (402) for installing the reel cover (6), and the inner wall of the replacement roller (5) is provided with an installation groove (503) corresponding to the end of the reel cover (6).

6. A hose reel for fire safety according to claim 1, characterized in that: The limiting mechanism includes a mounting plate (2) rotatably mounted on the outer wall of the reel body (1), and a rotating shaft (302) is rotatably mounted at the end of the mounting plate (2). The outer wall of the rotating shaft (302) is provided with a mounting seat (3), the outer wall of the mounting seat (3) is provided with a slot (301), and the outer wall of the rotating shaft (302) is sleeved with a limiting spring (303).

7. A hose reel for fire safety according to claim 6, characterized in that: The length of the rotating shaft (302) is greater than the length of the end of the mounting plate (2), and one end of the limiting spring (303) is in contact with the outer wall of the top of the mounting base (3), and the other end of the limiting spring (303) is in contact with the outer wall of the top of the mounting plate (2).

8. A hose reel for fire safety according to claim 6, characterized in that: The slot (301) is located on the bottom outer wall of the mounting base (3), and the slot (301) is correspondingly set with the mounting plate (2), and the outer wall of the slot (301) is in contact with the outer wall of the mounting plate (2).