Quick-connection type multi-layer fire hose

Abstract

The utility model discloses a quick-connection type multilayer fire hose, which relates to the technical field of fire hoses and comprises a fire hose body. The fire hose body comprises a fire-fighting fixing seat, a limiting column is arranged on the fire-fighting fixing seat, a fire-fighting butt-joint seat is arranged on one side of the fire-fighting fixing seat, the other side of the fire-fighting butt-joint seat fixedly communicates with a conveying belt, a limiting mechanism is arranged on the fire-fighting butt-joint seat, and a movable seat is driven to move by sliding an annular sleeve. When the limiting plate is turned over to a limiting column, a limiting hole is connected to the limiting column in a clamped mode, the fire fighting fixing base and the fire fighting butt joint base are fixedly installed, and under the action of an annular sleeve, the limiting plate is driven to move back and forth, so that the fire fighting fixing base and the fire fighting butt joint base are fixed; and meanwhile, the four movable seats are driven to synchronously move and complete clamping work, so that the working efficiency of the fire hose during installation is improved.

Description

Technical Field

[0001] This utility model relates to the field of fire hose technology, and in particular to a quick-connect multi-layer fire hose. Background Technology

[0002] Fire hoses are flexible tubes used to transport high-pressure water or flame-retardant liquids such as foam. Traditional fire hoses have a rubber inner lining and an outer surface covered with flax woven fabric. Advanced fire hoses are made of polymer materials such as polyurethane. Both ends of the fire hose have metal connectors, which can be connected to another hose to extend the distance or to a nozzle to increase the liquid spray pressure. Generally speaking, the length of a fire hose is between 20 and 25 meters. After a fire alarm, the fire hose should be quickly connected to the fire hydrant, and then the water valve should be opened to allow the fire hose to flow water.

[0003] An existing patent (publication number: CN214579424U) proposes a quick-connect multi-layer fire hose. By opening an annular groove at the hose connector, the connecting clamp is engaged inside the annular groove, which reduces the water pressure on the fire hose at the clamp position. This design can improve the connection stability and service life of the connecting clamp. At the same time, rubber sealing rings are fixedly installed on the left and right sides of the annular groove to ensure the sealing between the fire hose and the hose connector.

[0004] When connecting the aforementioned fire hoses, the hose connector and the mounting base need to be aligned and rotated together. However, due to the length of the hose, twisting the latter part of the hose is time-consuming and laborious, resulting in low work efficiency. If the twisted latter part of the hose is not rotated back to its original position, the hose may twist while water is flowing, causing the hose connector and the mounting base to separate. Therefore, we propose a quick-connect multi-layer fire hose to solve the above problems. Utility Model Content

[0005] This invention provides a quick-connect multi-layer fire hose, which solves the technical problem of low connection efficiency of current fire hoses.

[0006] To solve the above-mentioned technical problems, this utility model provides a quick-connect multi-layer fire hose, including a fire hose body;

[0007] The fire hose body includes a fire hose fixing seat, a limit post is provided on the fire hose fixing seat, a fire hose docking seat is provided on one side of the fire hose fixing seat, a conveyor belt is fixedly connected to the other side of the fire hose docking seat, and a limit mechanism is provided on the fire hose docking seat;

[0008] The limiting mechanism includes two fixing blocks, and a limiting plate is rotatably connected between the two fixing blocks. The limiting plate has a limiting hole.

[0009] Preferably, the fire-fighting fixed base is provided with a pre-connected sleeve, and a docking groove is provided on the outside of the pre-connected sleeve on the fire-fighting fixed base.

[0010] The above technical solution is adopted: by designing a pre-connected sleeve, when the pre-connected sleeve comes into contact with the pre-connected groove, since the opening diameter of one end of the pre-connected groove is larger than the opening diameter of the other end, the pre-connected sleeve does not need to be precisely aligned when entering the pre-connected groove with a larger opening, thus improving the docking efficiency.

[0011] Preferably, the fire-fighting docking seat is provided with a docking sleeve, and the docking sleeve has a pre-connection groove, the diameter of which is larger than the diameter of the docking sleeve.

[0012] By adopting the above technical solution, the design of the connecting sleeve and the connecting groove can limit the left and right movement between the fire-fighting fixed seat and the fire-fighting connecting seat, preventing displacement between the fire-fighting fixed seat and the fire-fighting connecting seat during the installation process.

[0013] Preferably, the fire-fighting docking seat is provided with a sliding groove, a movable seat is movably connected to the sliding groove, and a connecting rod is rotatably connected between the movable seat and the limiting plate.

[0014] The above technical solution is adopted: the sliding groove is used for the sliding of the movable seat, and at the same time, it plays a role in limiting the movable seat and preventing the movable seat from separating from the fire docking seat. Through the setting of the connecting rod, the limiting plate can be driven to flip when the movable seat moves.

[0015] Preferably, there are four movable seats in total, and the four movable seats are arranged in a ring. The included angle between any two adjacent movable seats is equal, and an annular sleeve is provided between the four movable seats.

[0016] The above technical solution utilizes an annular sleeve to enable the four movable seats to move synchronously, thereby improving docking efficiency.

[0017] Preferably, there are four limiting posts, and the four limiting posts are arranged in a ring. The diameter of the limiting posts is smaller than the diameter of the limiting holes.

[0018] The above technical solution is adopted: the fire-fighting fixed seat and the fire-fighting docking seat are fixed by interlocking between the limiting post and the limiting hole, so as to limit the separation between the fire-fighting fixed seat and the fire-fighting docking seat.

[0019] Compared with related technologies, this utility model has the following beneficial effects:

[0020] 1. Compared with traditional fire hoses, this utility model uses a sliding annular sleeve to move the movable seat, causing the connecting rod to move back and forth. At the same time, the connecting rod moves and drives the limiting plate to flip. When the limiting plate flips onto the limiting post, it engages the limiting hole with the limiting post, thus fixing the fire hose fixing seat and the fire hose docking seat. Under the action of the annular sleeve, the four movable seats move synchronously and complete the engagement work, thereby improving the work efficiency of the fire hose during installation.

[0021] 2. In this utility model, through the design of the pre-connected sleeve, when the pre-connected sleeve contacts the pre-connected groove, since the opening diameter of one end of the pre-connected groove is larger than the opening diameter of the other end, the pre-connected sleeve does not need to be precisely aligned when it enters the pre-connected groove with the larger opening. It continues to push the fire hose docking seat forward, at which point the pre-connected sleeve and the part with the smaller opening diameter of the pre-connected groove fit together, which provides auxiliary limit to the fire hose docking seat and prevents the fire hose docking seat from shifting left and right during the installation process. Therefore, the practicality of the fire hose is improved. Attached Figure Description

[0022] Figure 1 A schematic diagram of a quick-connect multi-layer fire hose;

[0023] Figure 2 This is a structural schematic diagram of a fire hose fixing seat in a quick-connect multi-layer fire hose;

[0024] Figure 3 A schematic diagram of a fire hose connection seat in a quick-connect multi-layer fire hose;

[0025] Figure 4 This is a schematic diagram of the structure of a ring sleeve in a quick-connect multi-layer fire hose;

[0026] Figure 5 This is a schematic diagram of the limiting mechanism in a quick-connect multi-layer fire hose.

[0027] The following are the labels in the diagram: 1. Fire hose body; 2. Fire hose fixing seat; 21. Limiting post; 22. Connecting groove; 23. Pre-connecting sleeve; 3. Fire hose connecting seat; 31. Connecting sleeve; 32. Pre-connecting groove; 33. Sliding groove; 4. Conveyor belt; 5. Limiting mechanism; 51. Fixing block; 52. Limiting plate; 53. Limiting hole; 54. Connecting rod; 6. Annular sleeve; 61. Moving seat. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] like Figure 1-5 As shown, a quick-connect multi-layer fire hose includes a fire hose body 1;

[0031] The fire hose body 1 includes a fire fixing seat 2, a limit post 21 is provided on the fire fixing seat 2, a fire docking seat 3 is provided on one side of the fire fixing seat 2, a conveyor belt 4 is fixedly connected to the other side of the fire docking seat 3, and a limit mechanism 5 is provided on the fire docking seat 3.

[0032] The limiting mechanism 5 includes two fixing blocks 51, and a limiting plate 52 is rotatably connected between the two fixing blocks 51. A limiting hole 53 is provided on the limiting plate 52.

[0033] The fire-fighting fixed base 2 is provided with a pre-connected sleeve 23. A docking groove 22 is provided on the outside of the pre-connected sleeve 23. Due to the design of the pre-connected sleeve 23, when the pre-connected sleeve 23 contacts the pre-connected groove 32, since the opening diameter of one end of the pre-connected groove 32 is larger than the opening diameter of the other end, the pre-connected sleeve 23 does not need to be precisely aligned when entering the pre-connected groove 32 with a larger opening, thus improving the docking efficiency.

[0034] Example 2

[0035] like Figure 3-5 As shown, the fire-fighting docking seat 3 is provided with a docking sleeve 31, and a pre-connection groove 32 is opened on the docking sleeve 31. The diameter of the docking groove 32 is larger than the diameter of the docking sleeve 31. Through the design of the docking sleeve 31 and the docking groove 22, the fire-fighting fixed seat 2 and the fire-fighting docking seat 3 can be limited to the left and right, so as to prevent the fire-fighting fixed seat 2 and the fire-fighting docking seat 3 from being displaced during the installation process.

[0036] The fire-fighting docking seat 3 is provided with a sliding groove 33, and a movable seat 61 is movably connected to the sliding groove 33. A connecting rod 54 is rotatably connected between the movable seat 61 and the limiting plate 52. The sliding groove 33 is used for the movable seat 61 to slide, and at the same time, it serves to limit the movable seat 61 to prevent the movable seat 61 from separating from the fire-fighting docking seat 3. Through the setting of the connecting rod 54, when the movable seat 61 moves, it can drive the limiting plate 52 to flip.

[0037] There are four movable seats 61 in total, and the four movable seats 61 are arranged in a ring. The included angle between two adjacent movable seats 61 is equal. A ring sleeve 6 is provided between the four movable seats 61, so that the four movable seats 61 can move synchronously through the ring sleeve 6, thereby improving the docking efficiency.

[0038] There are four limiting posts 21 in total, and the four limiting posts 21 are arranged in a ring. The diameter of the limiting posts 21 is smaller than the diameter of the limiting hole 53. The limiting posts 21 and the limiting hole 53 are interlocked and fixed to limit the fire-fighting fixed seat 2 and the fire-fighting docking seat 3, and prevent the fire-fighting fixed seat 2 and the fire-fighting docking seat 3 from separating.

[0039] Working principle: such as Figure 1-4 As shown, the fire-fighting fixed seat 2 is installed on the fire hydrant and fire sprinkler head. The fire-fighting docking seat 3 is moved to a position roughly at the same horizontal level as the fire-fighting fixed seat 2. The fire-fighting docking seat 3 is moved to one side of the fire-fighting fixed seat 2. At this time, when the pre-connecting sleeve 23 contacts the pre-connecting groove 32, since the diameter of the opening at one end of the pre-connecting groove 32 is larger than the diameter of the opening at the other end, the pre-connecting sleeve 23 does not need to be precisely aligned when it enters the pre-connecting groove 32 with the larger opening. The fire-fighting docking seat 3 is pushed forward. At this time, the pre-connecting sleeve 23 and the smaller opening diameter of the pre-connecting groove 32 fit together, which assists in limiting the fire-fighting docking seat 3. At this time, the docking sleeve 31 and the docking groove 22 are locked together. The sliding annular sleeve 6 drives the moving seat 61 to move away from the fire-fighting fixed seat 2, so that the connecting rod 54 slides backward. At this time, the connecting rod 54 drives the limiting plate 52 to flip while sliding. When the limiting plate 52 flips onto the limiting post 21, the limiting hole 53 is locked with the limiting post 21.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick connect multi-layer fire hose, characterized in that, Fire hose body (1) is provided with limiting column (21) on the fire fixed base (2), one side of the fire fixed base (2) is provided with fire butt joint base (3), the other side of the fire butt joint base (3) is fixedly connected with conveying belt (4), the fire butt joint base (3) is provided with limiting mechanism (5). The limiting mechanism (5) includes fixed block (51), the fixed block (51) is provided with two, and the two fixed blocks (51) are rotatably connected with limiting plate (52) between the two fixed blocks (51), the limiting plate (52) is provided with limiting hole (53). The fire fixed base (2) is provided with preconnection sleeve (23), the fire fixed base (2) is provided with butt joint groove (22) outside preconnection sleeve (23).

2. The quick connect multi-layer fire hose according to claim 1, wherein, The fire butt joint base (3) is provided with butt joint sleeve (31), the butt joint sleeve (31) is provided with preconnection groove (32), the diameter of butt joint groove (22) is greater than the diameter of butt joint sleeve (31).

3. A quick connect multi-layer fire hose as claimed in claim 2, wherein, The fire butt joint base (3) is provided with sliding groove (33), the sliding groove (33) is movably connected with moving seat (61), the moving seat (61) and the limiting plate (52) are rotatably connected with connecting rod (54) between the moving seat (61).

4. The quick connect multi-layer fire hose according to claim 1, wherein, The moving seat (61) is provided with four, and the four moving seats (61) are annularly distributed, the included angle between adjacent two moving seats (61) is equal, and the four moving seats (61) are provided with annular sleeve (6) between the four moving seats (61).

5. A quick connect multi-layer fire hose as claimed in claim 4, wherein, The limiting column (21) is provided with four, and the four limiting columns (21) are annularly distributed, the diameter of the limiting column (21) is less than the diameter of the limiting hole (53).

6. The quick connect multi-layer fire hose according to claim 1, wherein, ​

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