Fire-fighting lance convenient to install

By installing a mounting mechanism with a fixing ring, retaining ring, pressure plate, and return spring on the fire hose, the problem of cumbersome disassembly of the fire hose is solved, enabling convenient installation and preventing slippage, thus improving the practicality of the equipment and rescue efficiency.

CN223490312UActive Publication Date: 2025-10-31WOLF SHANGHAI SECURITY TECH CO LTD
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Patent Information

Application Number
CN202422806868.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-31
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing fire hose nozzle connection method is cumbersome, which makes disassembly and installation inconvenient and affects the efficiency of fire rescue.

Method used

The installation mechanism employs a fixed ring, retaining ring, pressure plate, and return spring. The retaining ring and the retaining groove work together, and the return spring and pressure plate clamp together to achieve convenient installation. At the same time, an anti-slip mechanism is set up for the grip and the insert to prevent the water gun from slipping out of your hand.

Benefits of technology

This improves the ease of installation and practicality of fire hoses, ensures they don't slip out of your hand under high-pressure water flow, and enhances the efficiency of fire rescue.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fire-fighting lance convenient to install, and relates to the technical field of fire-fighting equipment, the fire-fighting lance comprises a lance body, the input end of the lance body is movably provided with a water pipe, the output end of the lance body is fixedly provided with a spray head, and the surface of the spray head is fixedly provided with a threaded connection sleeve; a mounting mechanism is arranged at the output end of the water conveying pipe, and an anti-skid mechanism is arranged on the surface of the water gun body. The fixing ring and the clamping ring are arranged to be matched with the pressing plate and the reset spring, when the clamping ring is inserted into the connecting groove, the pressing plate and the reset spring are extruded through the clamping ring, the clamping ring is clamped into the clamping groove, meanwhile, the reset spring and the pressing plate tightly clamp the clamping ring, the clamping ring can be conveniently installed on the water gun body, the convenience of the equipment is improved, and the practicability is high. And by arranging a first holding sleeve, an insertion block, a second holding sleeve and an insertion opening, the problem that when the firefighter sprays water, the water gun slips out of the hand due to too large water pressure is solved, and the practicability of the equipment is improved.
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Description

Technical Field

[0001] This utility model relates to the field of fire-fighting equipment technology, specifically to a fire hose that is easy to install. Background Technology

[0002] Fire hoses are water-spraying tools used for extinguishing fires. When connected to a fire hose, they spray a dense and powerful stream of water. They have advantages such as long range and large water volume. Based on different jet patterns and characteristics, they can be divided into: straight stream hoses, spray hoses, and multi-purpose hoses.

[0003] Chinese Patent Publication No. CN211097224U discloses a die-cast fire hose nozzle that is easy to install. The technical solution provided in this patent document includes a nozzle head, a fire hose body, and a connecting part for connecting the fire hose body to the nozzle head. The connecting part includes an outer shell, a locking element, a sliding structure for controlling the movement of the locking element, and a rotating part for providing power to the sliding structure. The locking element is located inside the outer shell, and the nozzle head is provided with a corresponding slot. The sliding structure is located inside the outer shell, and the rotating part is connected to the sliding structure. This utility model utilizes the rotating part in different directions to provide power to the sliding structure, thereby controlling the movement of the locking element by the sliding structure, changing the connection relationship between the locking element and the slot, and thus achieving the effect of convenient disassembly of the nozzle head.

[0004] To address the issue that most existing fire nozzles are connected via threaded pipes, making disassembly of such fire nozzles cumbersome and time-consuming, thus affecting fire rescue efficiency, current technology uses rotating parts in different directions to power a sliding structure. This allows the sliding structure to control the movement of the locking components, thereby changing the connection between the locking components and the slots. However, this still results in cumbersome installation, further reducing the device's convenience. Utility Model Content

[0005] The purpose of this invention is to provide a fire hose reel that is easy to install, in order to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A fire hose reel that is easy to install includes a hose reel body, a water supply pipe movably installed at the input end of the hose reel body, a nozzle fixedly installed at the output end of the hose reel body, and a threaded connecting sleeve fixedly installed on the surface of the nozzle.

[0008] The output end of the water supply pipe is provided with an installation mechanism, and the surface of the water gun body is provided with an anti-slip mechanism.

[0009] The installation mechanism includes a fixing ring, a retaining ring, a connecting groove, a retaining groove, a pressure plate, a return spring, and a connecting port. The fixing ring is fixed to the top surface of the water pipe. A retaining ring is fixedly installed on the surface of the fixing ring. The retaining ring is engaged inside the connecting groove. A retaining groove is provided at the bottom of the connecting groove.

[0010] A further improvement of this utility model is that the threaded connecting sleeve can be connected to various nozzle diffusers, the retaining ring is adapted to the retaining groove, the threaded connecting sleeve can increase the spray radius of the nozzle through the nozzle diffuser, and the retaining groove, together with the retaining ring and the fixing ring, can clamp the water supply pipe into the inside of the connecting groove.

[0011] A further improvement of this utility model is that: a pressure plate is provided above the card slot, a return spring is fixedly connected to the back of the pressure plate, a connection port is opened at the top of the connecting slot, and the retaining ring is engaged with the inside of the card slot by squeezing the pressure plate and the return spring.

[0012] A further improvement of this utility model is that: the pressure plate and the reset spring are both installed inside the connecting groove; the water gun body is connected to the connecting groove through the connecting port; the input end of the water gun body is connected to the output end of the water supply pipe; and the connecting port is used to install the water gun body so that it can be connected to the output end of the water supply pipe in the connecting groove.

[0013] A further improvement of the present invention is that the anti-slip mechanism includes a grip sleeve one, an insert block, a grip sleeve two, and an insert. The grip sleeve one covers the left side of the surface of the water gun body, and the grip sleeve one makes it convenient for firefighters to grip the water gun body tightly.

[0014] A further improvement of this utility model is that: a plug is welded to the surface of the first grip, and the right side of the water gun body is covered by the second grip. The first grip and the second grip work together to avoid the problem of the water gun body slipping out of the hand during operation.

[0015] A further improvement of this utility model is that: the surface of the second grip sleeve is provided with an insertion port, the insertion port is adapted to the insertion block, and the insertion port cooperates with the insertion block to connect the first grip sleeve and the second grip sleeve together.

[0016] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0017] This utility model provides a fire hose reel that is easy to install. By setting a fixing ring and a retaining ring in conjunction with a pressure plate and a return spring, when the retaining ring is inserted into the connecting groove, the retaining ring first squeezes the pressure plate and the return spring to lock the retaining ring into the groove. At the same time, the return spring and the pressure plate lock it in place, which facilitates its installation on the fire hose reel body and improves the convenience of the device.

[0018] This utility model provides a fire hose reel that is easy to install. By setting up a first grip and a plug, and a second grip and a plug, it avoids the problem of firefighters losing their hands when spraying water due to excessive water pressure, thus improving the practicality of the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the water pipe of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the connecting groove of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the anti-slip mechanism of this utility model.

[0023] In the diagram: 1. Water gun body; 11. Water pipe; 12. Nozzle; 13. Threaded connecting sleeve; 2. Installation mechanism; 21. Fixing ring; 22. Snap ring; 23. Connecting groove; 24. Snap groove; 25. Pressure plate; 26. Return spring; 27. Connection port; 3. Anti-slip mechanism; 31. Grip one; 32. Insert block; 33. Grip two; 34. Insertion port. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to embodiments:

[0025] Please see Figure 1-4 The present invention provides the following technical solution:

[0026] Example 1: This example provides a fire hose reel that is easy to install, including a hose reel body 1. A water supply pipe 11 is movably installed at the input end of the hose reel body 1, and a nozzle 12 is fixedly installed at the output end of the hose reel body 1. A threaded connecting sleeve 13 is fixedly installed on the surface of the nozzle 12. An installation mechanism 2 is provided at the output end of the water supply pipe 11, and an anti-slip mechanism 3 is provided on the surface of the hose reel body 1. The installation mechanism 2 includes a fixing ring 21, a retaining ring 22, a connecting groove 23, a retaining groove 24, a pressure plate 25, and a retaining ring 26. The spring 26 and the connecting port 27 are fixed together. The retaining ring 21 is fixed to the top surface of the water pipe 11. A retaining ring 22 is fixedly installed on the surface of the retaining ring 21. The retaining ring 22 is engaged inside the connecting groove 23. A groove 24 is opened at the bottom of the connecting groove 23. The threaded connecting sleeve 13 can be connected to various nozzle diffusers. The retaining ring 22 is adapted to the groove 24. The threaded connecting sleeve 13 can increase the spray radius of the nozzle 12 through the nozzle diffuser. The groove 24, in conjunction with the retaining ring 22 and the retaining ring 21, can... The water pipe 11 is snapped into the interior of the connecting groove 23. A pressure plate 25 is installed above the groove 24, and a return spring 26 is fixedly connected to the back of the pressure plate 25. A connecting port 27 is opened at the top of the connecting groove 23. The retaining ring 22 is snapped into the interior of the groove 24 by pressing the pressure plate 25 and the return spring 26. Both the pressure plate 25 and the return spring 26 are installed inside the connecting groove 23. The water gun body 1 is connected to the connecting groove 23 through the connecting port 27. The input end of the water gun body 1 is connected to the output end of the water pipe 11. The connection port 27 is used to install the water gun body 1, so that it can be connected to the output end of the water supply pipe 11 in the connection groove 23. By setting a fixing ring 21 and a retaining ring 22 in conjunction with the pressure plate 25 and the return spring 26, when the retaining ring 22 is inserted into the connection groove 23, the retaining ring 22 first squeezes the pressure plate 25 and the return spring 26 to lock the retaining ring 22 into the retaining groove 24. At the same time, the return spring 26 and the pressure plate 25 lock it tightly, which facilitates its installation on the water gun body 1 and improves the convenience of the device.

[0027] Example 2: Based on Example 1, this utility model provides a technical solution: Preferably, the anti-slip mechanism 3 includes a grip 31, a plug 32, a grip 33, and a socket 34. The grip 31 covers the left side of the surface of the water gun body 1, allowing firefighters to grip the water gun body 1 securely. The plug 32 is welded to the surface of the grip 31. The right side of the surface of the water gun body 1 is covered by the grip 33. The grip 31, in conjunction with the grip 33, prevents the water gun body 1 from slipping out of the hand during operation. The surface of the grip 33 has a socket 34, which is adapted to the plug 32. The socket 34, in conjunction with the plug 32, connects the grip 31 and the grip 33 together. By setting the grip 31, the plug 32, the grip 33, and the socket 34, the problem of firefighters slipping out of their hands due to excessive water pressure during spraying is prevented, thus improving the practicality of the device.

[0028] The working principle of this easy-to-install fire hose will be explained in detail below.

[0029] like Figure 1-4 As shown, when using this device, first insert the water pipe 11 into the connecting groove 23. With the cooperation of the fixing ring 21 and the retaining ring 22, the pressure plate 25 and the return spring 26, when the retaining ring 22 is inserted into the connecting groove 23, the retaining ring 22 first squeezes the pressure plate 25 and the return spring 26, and the retaining ring 22 is locked into the retaining groove 24. At the same time, the return spring 26 and the pressure plate 25 lock it in place, which facilitates its installation on the water gun body 1 and improves the convenience of the device. Through the grip 1 31, the insertion block 32, the grip 2 33 and the insertion port 34, the problem of the water gun slipping out of the hands of firefighters due to excessive water pressure is avoided when spraying water, which improves the practicality of the device.

[0030] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A fire hose reel that is easy to install, comprising a hose reel body (1), characterized in that: The water gun body (1) has a water pipe (11) movably installed at the input end, and a nozzle (12) fixedly installed at the output end of the water gun body (1). A threaded connecting sleeve (13) is fixedly installed on the surface of the nozzle (12). The output end of the water pipe (11) is provided with an installation mechanism (2), and the surface of the water gun body (1) is provided with an anti-slip mechanism (3). The installation mechanism (2) includes a fixing ring (21), a retaining ring (22), a connecting groove (23), a retaining groove (24), a pressure plate (25), a return spring (26), and a connecting port (27). The fixing ring (21) is fixed on the top surface of the water pipe (11). The retaining ring (22) is fixedly installed on the surface of the fixing ring (21). The retaining ring (22) is engaged inside the connecting groove (23). The bottom of the connecting groove (23) has a retaining groove (24).

2. The fire hose reel for easy installation according to claim 1, characterized in that: The threaded connecting sleeve (13) can be connected to various nozzle diffusers, and the retaining ring (22) is adapted to the retaining groove (24).

3. A fire hose reel that is easy to install according to claim 2, characterized in that: A pressure plate (25) is provided above the card slot (24), and a reset spring (26) is fixedly connected to the back of the pressure plate (25). A connection port (27) is provided at the top of the connection slot (23).

4. A fire hose reel that is easy to install according to claim 3, characterized in that: The pressure plate (25) and the reset spring (26) are both installed inside the connecting groove (23). The water gun body (1) is connected to the connecting groove (23) through the connecting port (27). The input end of the water gun body (1) is connected to the output end of the water supply pipe (11).

5. A fire hose reel that is easy to install according to claim 4, characterized in that: The anti-slip mechanism (3) includes a grip one (31), an insert (32), a grip two (33) and an insert (34), wherein the grip one (31) covers the left side of the surface of the water gun body (1).

6. A fire hose reel that is easy to install according to claim 5, characterized in that: The surface of the first grip (31) is welded with a plug (32), and the right side of the surface of the water gun body (1) is covered with a second grip (33).

7. A fire hose reel that is easy to install according to claim 6, characterized in that: The surface of the grip sleeve (33) is provided with a socket (34), which is adapted to the plug (32).

Citation Information

Patent Citations

  • Fire-fighting lance die casting convenient to install

    CN211097224U