Quick-connection multipurpose fire pump adapter
The fire pump coupler with combined design uses gas pressure to achieve quick connection and sealing, which solves the connection difficulty problem caused by easy rust of threaded connection and achieves quick connection and good sealing effect.
Patent Information
- Application Number
- CN202422892995.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing fire pump connector is connected to the external pipe by a threaded connection, which is easy to rust under the erosion of water in the pipe for a long time, resulting in an inability to quickly connect and affecting the use effect.
It adopts a combined design of a mounting seat, a connector body, a connecting pipe, a sealing airbag, an air guide tube, a push-pull rod, a sealing plate, an external tube, a connecting sleeve, a shell, a spring, a cross plate, a limit pin, a first one-way valve and a second one-way valve. Quick connection is achieved through gas pressure, and a sealing effect is achieved by the close contact between the sealing airbag and the external tube.
The quick connection and good sealing between the fire pump connector and the external pipe are achieved, the connection difficulty caused by rust is avoided, and the use requirements are met.
Smart Images

Figure CN223331358U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire pump connectors, in particular to a quick-connect multi-purpose fire pump connector. Background Art
[0002] The fire pump coupler is a self-contained fire-fighting facility for high-rise buildings. It is used to connect fire trucks and motorized pumps to deliver fire water to the building's pipe network. The fire trucks use the coupler's interface to pressurize the fire water supply system inside the building, so that the indoor fire hydrants or other water supply system fire extinguishing devices inside the building can obtain sufficient pressurized water sources to extinguish fires on different floors.
[0003] Existing fire pump connectors are generally connected to external pipes using threads, but they are prone to rust due to long-term erosion by water in the pipe, making it difficult to connect quickly, which in turn affects use and cannot meet usage requirements. To this end, we propose a quick-connect multi-purpose fire pump connector. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a quick-connect multi-purpose fire pump connector, which has the advantage of quick connection and solves the problem that the existing fire pump connector and the external pipe are generally connected by threads, but are prone to rust due to long-term erosion of water in the pipe, making it easy to make a quick connection, which in turn affects use and cannot meet the use requirements.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a quick-connect multi-purpose fire pump connector, comprising a mounting seat, the top of the mounting seat is fixedly connected to a connector body, both sides of the connector body are connected to connecting pipes, the outer surface of the connecting pipe is fixedly connected to a connecting ring, the inner wall of the connecting ring is fixedly connected to a sealing airbag, one side of the sealing airbag is connected to an air guide tube, the rear side of the top of the mounting seat is fixedly connected to a connecting tube, the top of the connecting tube is plugged with a push-pull rod, the bottom of the push-pull rod is fixedly connected with a sealing plate, the outer side of the connecting tube is plugged with an external tube, the front and back sides of the external tube are fixedly connected to a connecting sleeve, both sides of the mounting seat are fixedly connected to a shell, the bottom of the inner cavity of the shell is fixedly connected to a spring, the top of the spring is fixedly connected to a horizontal plate, the top of the horizontal plate is fixedly connected to a limit pin, and the surface of the limit pin is plugged into the connecting sleeve.
[0006] Preferably, the back side of the air guide tube is connected to a connecting handle, and the number of the connecting handles is two.
[0007] Preferably, the back side of the connecting cylinder is connected to a first one-way valve, the front side of the connecting cylinder is connected to a second one-way valve, and the front side of the second one-way valve is connected to the air guide tube.
[0008] Preferably, the inner cavity of the horizontal plate is slidably connected to a vertical column, and the top of the vertical column is fixedly connected to the shell.
[0009] Preferably, the top of the air guide tube is connected to a fixed tube, and the back of the fixed tube is movably connected to an adjustment handle.
[0010] Preferably, a round hole is provided on the top of the shell, and a socket is provided on the top of the connecting sleeve.
[0011] Compared with the prior art, the present invention provides a quick-connect multi-purpose fire pump adapter with the following advantages:
[0012] 1. The utility model solves the problem that the existing fire pump connector and the external pipe generally use threaded connection, but it is easy to rust under the erosion of water in the pipe for a long time, making it easy to make a quick connection, which in turn affects the use and cannot meet the use requirements through the cooperation of the mounting seat, the connector body, the connecting pipe, the connecting ring, the sealing airbag, the air guide pipe, the connecting tube, the push-pull rod, the sealing plate, the external pipe, the connecting sleeve, the shell, the spring, the cross plate, the limit pin, the first one-way valve, the second one-way valve, the fixing pipe and the connecting handle.
[0013] 2. The utility model guides the gas by setting a first one-way valve and a second one-way valve, thereby facilitating the discharge of the gas into the inner cavity of the sealed airbag. By setting a fixed tube and an adjustment handle, the gas is easily discharged, and the external tube is easily disassembled. By setting a vertical column, the operation of the horizontal plate is stabilized to prevent the horizontal plate from tilting. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the local structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;
[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting tube of the utility model.
[0019] In the figure: 1. Mounting seat; 2. Adapter body; 3. Connecting pipe; 4. Connecting ring; 5. Sealing airbag; 6. Air guide tube; 7. Connecting tube; 8. Push-pull rod; 9. Sealing plate; 10. External tube; 11. Connecting sleeve; 12. Shell; 13. Spring; 14. Horizontal plate; 15. Limit pin; 16. First one-way valve; 17. Second one-way valve; 18. Fixing pipe; 19. Connecting handle. DETAILED DESCRIPTION
[0020] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0021] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0023] See also Figure 1-5A quick-connect multi-purpose fire pump connector comprises a mounting base 1, the top of the mounting base 1 is fixedly connected to a connector body 2, both sides of the connector body 2 are connected with connecting pipes 3, the outer surface of the connecting pipe 3 is fixedly connected to a connecting ring 4, the inner wall of the connecting ring 4 is fixedly connected to a sealing airbag 5, one side of the sealing airbag 5 is connected with an air guide tube 6, the rear side of the top of the mounting base 1 is fixedly connected to a connecting tube 7, the top of the connecting tube 7 is plugged with a push-pull rod 8, the bottom of the push-pull rod 8 is fixedly connected to a sealing plate 9, the outer side of the connecting tube 3 is plugged with an external tube 10, the front and back sides of the external tube 10 are fixedly connected to a connecting sleeve 11, both sides of the mounting base 1 are fixedly connected to a shell 12, the bottom of the inner cavity of the shell 12 is fixedly connected to a spring 13, the top of the spring 13 is fixedly connected to a horizontal plate 14, the top of the horizontal plate 14 is fixedly connected to a limit pin 15, and the surface of the limit pin 15 is plugged into the connecting sleeve 11.
[0024] Through the above technical solution: when connection is needed, press the limit pin 15 downward, then connect the external tube 10 with the connecting tube 3, then release the limit pin 15, and the elastic force of the spring 13 drives the cross plate 14 to rise, and the cross plate 14 drives the limit pin 15 to move, so that the limit pin 15 is connected with the connecting sleeve 11, which can limit the external tube 10, open the corresponding connecting handle 19, and then pull the push-pull rod 8 upward to allow outside air to enter the inner cavity of the connecting tube 7, and then push the push-pull rod 8 downward. The push-pull rod 8 drives the sealing plate 9 to move, thereby discharging the gas into the air guide tube 6, and then facilitating the gas to enter the corresponding sealing airbag 5. As the gas increases, one side of the sealing airbag 5 will be in close contact with the external tube 10, so that the sealing effect is good, and the connection work can be completed.
[0025] The back side of the air guide tube 6 is connected to a connecting handle 19 , and there are two connecting handles 19 .
[0026] The back side of the connecting tube 7 is connected to a first one-way valve 16 , the front side of the connecting tube 7 is connected to a second one-way valve 17 , and the front side of the second one-way valve 17 is connected to the air guide pipe 6 .
[0027] Through the above technical solution: by providing the first one-way valve 16 and the second one-way valve 17 , the gas is guided, thereby facilitating the gas to be discharged into the inner cavity of the sealed airbag 5 .
[0028] The inner cavity of the horizontal plate 14 is slidably connected to a vertical column, and the top of the vertical column is fixedly connected to the shell 12.
[0029] Through the above technical solution, by providing the vertical columns, the operation of the horizontal plate 14 is stabilized, and the horizontal plate 14 is prevented from tilting.
[0030] The top of the air guide tube 6 is connected to a fixed tube 18 , and the back of the fixed tube 18 is movably connected to an adjustment handle.
[0031] Through the above technical solution: by providing the fixed tube 18 and the adjustment handle, it is convenient to discharge the gas, and thus convenient to disassemble the external tube 10.
[0032] A round hole is formed on the top of the housing 12 , and a socket is formed on the top of the connecting sleeve 11 .
[0033] The working principle of the present utility model is: when connection is needed, press the limit pin 15 downward, then connect the external tube 10 with the connecting tube 3, then release the limit pin 15, and the elastic force of the spring 13 drives the cross plate 14 to rise, and the cross plate 14 drives the limit pin 15 to move, so that the limit pin 15 is connected with the connecting sleeve 11, which can limit the external tube 10, open the corresponding connecting handle 19, and then pull the push-pull rod 8 upward to allow outside air to enter the inner cavity of the connecting tube 7, and then push the push-pull rod 8 downward. The push-pull rod 8 drives the sealing plate 9 to move, thereby discharging the gas into the air guide tube 6, and then facilitating the gas to enter the corresponding sealing airbag 5. As the gas increases, one side of the sealing airbag 5 will be in close contact with the external tube 10, so that the sealing effect is good, and the connection work can be completed.
[0034] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A quick-connect multi-purpose fire pump adapter, comprising a mounting base (1), characterized in that: The top of the mounting seat (1) is fixedly connected to the adapter body (2), both sides of the adapter body (2) are connected to connecting tubes (3), the outer surface of the connecting tube (3) is fixedly connected to a connecting ring (4), the inner wall of the connecting ring (4) is fixedly connected to a sealing airbag (5), one side of the sealing airbag (5) is connected to an air guide tube (6), the rear side of the top of the mounting seat (1) is fixedly connected to a connecting tube (7), the top of the connecting tube (7) is plugged with a push-pull rod (8), and the bottom of the push-pull rod (8) is fixedly connected to the connecting tube (7). A sealing plate (9) is connected, an external pipe (10) is plugged into the outside of the connecting pipe (3), the front and back of the external pipe (10) are fixedly connected to a connecting sleeve (11), both sides of the mounting seat (1) are fixedly connected to a shell (12), the bottom of the inner cavity of the shell (12) is fixedly connected to a spring (13), the top of the spring (13) is fixedly connected to a transverse plate (14), the top of the transverse plate (14) is fixedly connected to a limit pin (15), and the surface of the limit pin (15) is plugged into the connecting sleeve (11).
2. A quick-connect multi-purpose fire pump adapter according to claim 1, characterized in that: The back side of the air guide tube (6) is connected to a connecting handle (19), and the number of the connecting handles (19) is two.
3. The quick-connect multi-purpose fire pump adapter according to claim 1, characterized in that: The back of the connecting cylinder (7) is connected to a first one-way valve (16), the front of the connecting cylinder (7) is connected to a second one-way valve (17), and the front of the second one-way valve (17) is connected to the air guide pipe (6).
4. The quick-connect multi-purpose fire pump adapter according to claim 1, characterized in that: The inner cavity of the transverse plate (14) is slidably connected to a vertical column, and the top of the vertical column is fixedly connected to the shell (12).
5. The quick-connect multi-purpose fire pump adapter according to claim 1, characterized in that: The top of the air guide tube (6) is connected to a fixed tube (18), and the back of the fixed tube (18) is movably connected to an adjustment handle.
6. The quick-connect multi-purpose fire pump adapter according to claim 1, characterized in that: A circular hole is provided on the top of the shell (12), and a plug hole is provided on the top of the connecting sleeve (11).