A quick-connect fire hose

Abstract

This utility model provides a quick-connect fire hose, relating to the field of hose technology. It includes a hose body with a connector fixed to one end and a first pair of connectors fixed to the end of the connector away from the hose body. The hose body is made of PVC steel wire flexible hose, which is relatively soft and less demanding on parking conditions compared to the original hoses provided with fire trucks, making it more convenient to collect water while the vehicle is parked. The third pair of connectors is installed on the fire truck. When connecting the hose body, simply slide the guide of the limiting plate through the limiting groove to insert the first pair of connectors fixed to one end of the hose body into the third pair of connectors installed on the fire truck. After insertion, tighten the hexagonal nut to move the stud, inserting the stud into the insertion hole, thus installing the hose body. The second pair of connectors at the other end of the hose body are installed in the same way as the third pair of connectors, achieving a quick installation.

Description

Technical Field

[0001] This utility model relates to the field of water suction pipe technology, and in particular to a quick-connect fire-fighting water suction pipe. Background Technology

[0002] In daily work, when firefighters drive fire trucks to collect water, they usually use the rigid suction hose originally equipped on the vehicle. However, due to the excessive length of the vehicle, the on-site water collection environment is sometimes not ideal, making it impossible to complete the water collection operation and affecting the progress of fire fighting and rescue.

[0003] Currently, one type of quick-connect fire hose in existing technology usually requires four to five people to work together to connect it. Its original hose is not very universal, and because the hose interfaces of different car models are different, they cannot be used together, resulting in low connection efficiency and poor practicality. Utility Model Content

[0004] The purpose of this utility model is to solve the problems of existing technologies that typically require four to five people to work together for docking, and whose original suction pipes are not very universal, cannot be used together due to the different interface forms of suction pipes for different car models, resulting in low connection efficiency and poor practicality. Therefore, a quick-connect fire suction pipe is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a quick-connect fire-fighting water suction pipe, comprising a water suction pipe body, a connector fixed to one end of the water suction pipe body, a first pair of connectors fixed to the end of the connector away from the water suction pipe body, a third pair of connectors installed on the outside of the first pair of connectors, a second pair of connectors fixed to the other end of the water suction pipe body, a first sealing ring fixed on the inner wall of both the second and third pair of connectors, a sealing groove matching the first sealing ring being formed on the outer wall of the first pair of connectors, and a locking structure for locking and limiting the first pair of connectors being provided on the outside of both the second and third pair of connectors.

[0006] Preferably, the locking structure includes threaded sleeves fixed to both ends of the outer walls of the second and third connectors, with a stud threadedly connected to the inner wall of the threaded sleeve, and a plug fixed to one end of the stud, the plug penetrating the first sealing ring and being inserted into the first connector.

[0007] Preferably, the first pair of connectors has a socket on the inner wall of the sealing groove that matches the insertion post.

[0008] Preferably, the second pair of connectors, the third pair of connectors, and the first sealing ring are all provided with connecting holes that match the insert post. The diameter of the connecting hole is larger than the inner wall diameter of the threaded sleeve, and a hexagonal nut is fixed to the other end of the threaded post.

[0009] Preferably, both sides of one end of the connector are fixed with limiting plates, and one end of the second and third connectors is provided with limiting grooves that match the limiting plates.

[0010] Preferably, a second sealing ring is fixed to the end of the connector facing the third joint, and a threaded groove is provided on the inner wall of the third joint.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] In this invention, the main body of the suction pipe is made of PVC steel wire hose, which is relatively soft and less demanding on parking requirements compared to the original vehicle hose, making it more convenient to collect water while the vehicle is parked. The third connector of this device is installed on the fire truck. When it is necessary to connect the main body of the suction pipe, simply slide the guide of the limiting plate through the limiting groove to insert the first connector fixed at one end of the suction pipe into the third connector installed on the fire truck. After insertion, tighten the hexagonal nut to move the stud and insert the stud into the insertion hole, thus achieving the effect of installing the main body of the suction pipe. The second connector at the other end of the suction pipe is installed in the same way as the third connector, achieving a quick installation effect. This device is equipped with quick-connect interfaces (first connector, second connector, and third connector) to facilitate the installation and disassembly of the main body of the suction pipe. It meets the needs of fire trucks for rapid water intake, is easy and simple to operate, saves personnel costs, and ensures water intake while providing more personnel for front-line fire fighting and rescue. It is more practical. In addition, the second and third pairs of connectors of the device are quick interfaces of 150-clamp to 150-male and 150-clamp to 150-female respectively, which can be used in conjunction with the suction hoses of other fire trucks. Attached Figure Description

[0013] Figure 1 A perspective view of a quick-connect fire-fighting water suction pipe is provided for this utility model;

[0014] Figure 2 This utility model provides a schematic diagram of the structure at both ends of a quick-connect fire-fighting water suction pipe;

[0015] Figure 3 This utility model provides a schematic diagram of the internal structure of the first pair of joints of a quick-connect fire-fighting water suction pipe;

[0016] Figure 4 This utility model provides schematic diagrams of the internal structure of the second and third pairs of quick-connect fire-fighting water suction pipes.

[0017] Legend: 1. Suction pipe body; 2. Connector; 3. First connector; 4. Second connector; 5. Third connector; 6. First sealing ring; 7. Sealing groove; 8. Threaded groove; 9. Locking structure; 901. Threaded sleeve; 902. Threaded stud; 903. Insert post; 10. Connecting hole; 11. Hexagonal nut; 12. Insertion hole; 13. Limiting plate; 14. Limiting groove; 15. Second sealing ring. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1, as Figure 1-4 As shown, this utility model provides a quick-connect fire hose, including a hose body 1, a connector 2 fixed to one end of the hose body 1, a first connector 3 fixed to the end of the connector 2 away from the hose body 1, a third connector 5 installed on the outside of the first connector 3, a second connector 4 fixed to the other end of the hose body 1, a first sealing ring 6 fixed on the inner wall of both the second connector 4 and the third connector 5, a sealing groove 7 matching the first sealing ring 6 opened on the outer wall of the first connector 3, and a locking structure 9 for locking and limiting the first connector 3 on the outside of both the second connector 4 and the third connector 5.

[0021] The effect achieved by the entire embodiment 1 is that the third connector 5 is installed on the fire truck. When it is necessary to install the main body of the suction pipe 1, the first connector 3 only needs to be inserted into the third connector 5. At this time, the first sealing ring 6 is in the sealing groove 7, which achieves the effect of sealing the gap between the first connector 3 and the third connector 5. Through the operation of the locking structure 9, the first connector 3 can be locked and limited, achieving the effect of connecting and installing the main body of the suction pipe 1.

[0022] Example 2, as Figure 1-4As shown, the locking structure 9 includes a threaded sleeve 901 fixed to both ends of the outer wall of the second connector 4 and the third connector 5. A stud 902 is threaded onto the inner wall of the threaded sleeve 901. A plug 903 is fixed to one end of the stud 902. The plug 903 passes through the first sealing ring 6 and is inserted into the first connector 3. An insertion hole 12 matching the plug 903 is opened on the inner wall of the sealing groove 7 in the first connector 3. A connecting hole 10 matching the plug 903 is opened in the second connector 4, the third connector 5 and the first sealing ring 6. The diameter of the connecting hole 10 is larger than the inner wall diameter of the threaded sleeve 901. A hexagonal nut 11 is fixed to the other end of the stud 902. A limiting plate 13 is fixed to both sides of one end of the connector 2. A limiting groove 14 matching the limiting plate 13 is opened at one end of the second connector 4 and the third connector 5. A second sealing ring 15 is fixed to the end of the connector 2 facing the third connector 5. A threaded groove 8 is opened on the inner wall of the third connector 5.

[0023] The overall effect of Embodiment 2 is that when it is necessary to connect the main body 1 of the suction pipe, it is only necessary to slide the limiting groove 14 through the limiting plate 13 to guide the first connector 3 fixed at one end of the main body 1 of the suction pipe to be inserted into the third connector 5 installed on the fire truck. After insertion, the hexagonal nut 11 is turned to drive the stud 902 to move, so that the insert 903 is inserted into the insertion hole 12, thereby achieving the effect of installing the main body 1 of the suction pipe. The second connector 4 and the third connector 5 at the other end of the main body 1 of the suction pipe are installed in the same way, achieving the effect of quick installation. When disassembling and cleaning, it is only necessary to turn the hexagonal nut 11 in the opposite direction to drive the insert 903 to disengage from the insertion hole 12 and retract into the corresponding connecting hole 10 opened in the second connector 4 and the third connector 5. The second sealing ring 15 can perform secondary sealing treatment on the gap between the first connector 3 and the third connector 5. The limiting plate 13 and the limiting groove 14 can guide the installation of the first connector 3 so that the insertion hole 12 can be aligned with the insert 903.

[0024] Working principle: When using this device, the third connector 5 is installed on the fire truck through the screw groove 8. When it is necessary to connect the main body 1 of the suction pipe, simply slide the guide of the limiting groove 14 through the limiting plate 13 to insert the first connector 3 fixed at one end of the suction pipe main body 1 into the third connector 5 installed on the fire truck. After insertion, turn the hexagonal nut 11 to move the stud 902, so that the insertion post 903 is inserted into the insertion hole 12, thus achieving the effect of installing the suction pipe main body 1. The second connector 4 at the other end of the suction pipe main body 1 is installed in the same way as the third connector 5, achieving the effect of quick installation.

[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A quick coupling fire suction hose comprising a suction hose body (1) characterized in that: One end of the water suction pipe body (1) is fixed with a connector (2), and the end of the connector (2) away from the water suction pipe body (1) is fixed with a first connector (3). A third connector (5) is installed on the outside of the first connector (3). The other end of the water suction pipe body (1) is fixed with a second connector (4). A first sealing ring (6) is fixed on the inner wall of both the second connector (4) and the third connector (5). A sealing groove (7) matching the first sealing ring (6) is opened on the outer wall of the first connector (3). A locking structure (9) for locking and limiting the first connector (3) is provided on the outside of both the second connector (4) and the third connector (5).

2. A quick connect fire suction hose as claimed in claim 1 wherein: The locking structure (9) includes a threaded sleeve (901) fixed at both ends of the outer wall of the second pair of connectors (4) and the third pair of connectors (5). A stud (902) is threadedly connected to the inner wall of the threaded sleeve (901). A plug (903) is fixed at one end of the stud (902). The plug (903) passes through the first sealing ring (6) and is inserted into the first pair of connectors (3).

3. A quick connect fire suction hose as claimed in claim 2 wherein: The first pair of connectors (3) has a socket (12) on the inner wall of the sealing groove (7) that matches the plug (903).

4. A quick connect fire suction hose as claimed in claim 2, wherein: The second pair of connectors (4), the third pair of connectors (5) and the first sealing ring (6) are all provided with a connecting hole (10) that matches the insert (903). The diameter of the connecting hole (10) is larger than the inner wall diameter of the threaded sleeve (901). The other end of the stud (902) is fixed with a hexagonal nut (11).

5. The quick connect fire suction hose of claim 1, wherein: Both sides of one end of the connector (2) are fixed with limiting plates (13), and one end of the second pair of connectors (4) and the third pair of connectors (5) are provided with limiting grooves (14) that match the limiting plates (13).

6. A quick connect fire suction hose as defined in claim 1, wherein: The connector (2) has a second sealing ring (15) fixed at one end facing the third connector (5), and a threaded groove (8) is provided on the inner wall of the third connector (5).

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