An emergency pull-off valve that is easy to assemble
By designing structures such as slip rings, sliders, and traction ropes, the safety and convenience issues of emergency break valves in the rapid disconnection and replacement of flanges are solved, enabling convenient flange connection and disconnection and ensuring stable water flow.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIANYUNGANG ENFA MASCH CO LTD
- Filing Date
- 2025-09-27
- Publication Date
- 2026-07-21
AI Technical Summary
The existing emergency disconnect valve is not convenient for quick disconnection and replacement during use, which affects the safety and convenience of flange fixing and limiting, and is prone to disconnection.
The system employs a structure consisting of slip rings, sliders, traction ropes, and springs. The tension of the traction ropes allows for quick connection and disconnection of the flanges. The elastic support of the springs ensures sealing and stability, while the slide rails and guide plates provide convenient fixing and limiting of the flanges.
It enables quick disconnection, replacement, and assembly of the emergency disconnect valve, improves the safety and convenience of flange fixing and limiting, ensures sealing after disconnection, and avoids disconnection during water flow.
Smart Images

Figure CN224533608U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of emergency break-off valve technology, specifically an emergency break-off valve that is easy to assemble. Background Technology
[0002] During the loading and unloading of fluid materials, the location of fluid storage devices often changes. For example, when a ship is unloading fluid materials at a dock, the dock is stationary while the ship is moving. When tank cars on roads or railways are loading and unloading fluid materials, the tank cars move. The fluid storage devices are either fixed or moving. In these situations, the pipelines transporting the fluid materials may break unexpectedly, causing a leak.
[0003] For example, the cable-type emergency disconnect valve disclosed in the authorization announcement number CN221423994U includes a left inlet pipe, a left flange fixedly installed at the right end of the left inlet pipe, a connecting column 1 installed on the upper side of the inner surface of the left inlet pipe, a telescopic rod installed on the right side of the surface of the connecting column 1, a sealing block installed at the right end of the telescopic rod, a right flange installed at the right end of the left flange, and a support column installed at the center of the inner surface of the right flange. Although it achieves the setup of a left inlet pipe, left flange, connecting column one, telescopic rod, sealing block, right flange, and support column outlet pipe, when water flows through the device, the telescopic rod above the connecting column one inside the left flange is driven to the right by the sealing block due to water pressure. However, it cannot move due to the restriction of the support column. The sealing block inside the right flange also moves to the right to ensure the smooth flow of water. When the left and right flanges are disconnected, the water in the left inlet pipe sprays out to the right. At this time, the sealing block moves to the right due to water pressure and there is no support column to limit it. The sealing block blocks the right outlet of the left flange to perform a sealing function. The sealing block inside the outlet pipe moves to the right due to water pressure to block the outlet to perform a sealing function. This setup is simple in structure and extremely convenient to reset later. However, this does not solve the problem that existing emergency break valves of this type are generally not conducive to the quick disconnection, replacement, and assembly of flanges, which affects the safety of the emergency break valve in quickly disconnecting, replacing, and assembling flanges. It is also not conducive to the emergency break valve in conveniently fixing and limiting the left and right flanges. Disconnection may occur when water is being transported, which affects the convenience of fixing and limiting the left and right flanges of the emergency break valve. Utility Model Content
[0004] The purpose of this utility model is to provide an emergency break valve that is easy to assemble, in order to solve the problems mentioned in the background art, such as the inconvenience of quickly disconnecting and replacing the flange of the emergency break valve, which affects the safety of quickly disconnecting and replacing the flange of the emergency break valve, and the inconvenience of conveniently fixing and limiting the left and right flanges of the emergency break valve, which may cause disconnection when conveying water flow, thus affecting the convenience of fixing and limiting the left and right flanges of the emergency break valve.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an emergency disconnect valve that is easy to assemble, comprising an inlet pipe and a left flange body. The left flange body is installed on the side wall of the inlet pipe. A slip ring is provided on the outside of the inlet pipe. An outlet pipe is provided on the outside of the left flange body. A right flange body is installed on the side wall of the outlet pipe. Four sets of equally spaced slide rails are installed on the outer wall of the inlet pipe. Four sets of equally spaced sliders are installed on the inner wall of the slip ring. All slide rails are slidably connected to the sliders. Four sets of equally spaced second traction ropes are installed on the outer wall of the slip ring. Four sets of equally spaced third traction ropes are installed on the side wall of the slip ring. A traction rope is provided. A sealing ring is installed on the inner wall of the left flange body. Four sets of L-shaped frames with equal spacing are installed on the outer wall of the left flange body. A first guide plate is installed at the top of each L-shaped frame. Telescopic columns are movably installed inside each L-shaped frame. Each telescopic column extends through the L-shaped frame to the outside and is movably connected to the left flange body. The first traction rope passes through the first guide plate and is connected to the telescopic column. A top block is installed at the bottom of each telescopic column. A first spring is fitted on the surface of each telescopic column. One end of each first spring is connected to the L-shaped frame, and the other end of each first spring is connected to the top block.
[0006] Preferably, a groove is provided on the outer wall of the right flange body, and the top block cooperates with the groove.
[0007] Preferably, both the inlet and outlet pipes are equipped with support plates, and the side walls of the support plates are equipped with second springs.
[0008] Preferably, a sealing plug is installed on the side wall of the second spring, and a top post is installed on the side wall of the sealing plug inside the water outlet pipe.
[0009] Preferably, four sets of equally spaced support blocks are installed on the side of the water inlet pipe away from the slide rail, and a connecting plate is installed on the side wall of each support block.
[0010] Preferably, a third spring is installed on the surface of each connecting plate, and a rotating shaft is movably installed on both sides of each connecting plate.
[0011] Preferably, the surface of each rotating shaft is fitted with a cover plate, and the top end of each third spring is connected to the cover plate.
[0012] Preferably, a second guide plate is installed on the side wall of each connecting plate, and the second traction rope passes through the second guide plate and connects to the cover plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are: the emergency break valve not only realizes the convenient and quick disconnection, replacement and assembly of the flange, improving the safety of the emergency break valve in the quick disconnection, replacement and assembly of the flange, but also realizes the convenient fixed limit of the left flange and right flange, avoiding the disconnection when conveying water flow, and improving the convenience of the emergency break valve in fixing and limiting the left flange and right flange. Multiple sets of first and second traction ropes are connected to the slip ring. The tension of the first and second traction ropes is adjusted. The right flange body is connected to the left flange body, so that the top block mates with the groove, fixing the right flange body. The sealing ring provides a seal. When water flows through, it passes through the inlet pipe, left flange body, right flange body, and outlet pipe before being discharged. The water pressure moves the sealing plug inside the inlet pipe to the right and the sealing plug inside the outlet pipe to the left. Because the second spring inside the outlet pipe has reached its maximum compression, the sealing plug inside the outlet pipe remains relatively stable. The top column limits the sealing plug inside the inlet pipe, allowing water to flow smoothly. In case of emergency, the slip ring is pulled. Under the sliding support of the slide rail and slider, the slip ring moves the four sets of first and second traction ropes. Supported by the second guide plate and the elastic support of the third spring, the second traction rope rotates the cover plate by a certain angle. Supported by the first guide plate, the first traction rope drives the telescopic column to lift upward. Under the limit of the L-shaped frame, the telescopic column drives the first spring and the top block to move upward, causing the top block to disengage from the groove, releasing the slip ring. Under the elastic support of the first spring, it resets. The telescopic column drives the top block to reset, allowing for the installation of the next set of new right flange bodies. Under the action of gravity, the right flange body separates from the left flange body and quickly disconnects. After disconnection, the sealing plug inside the outlet pipe drives the top column to fall. Under the elastic support of the second spring, the second spring pushes the sealing plug inside the inlet pipe against the inner wall of the left flange body for sealing. Under the water pressure inside the inlet pipe, the water pressure drives the sealing plug to move to the right, further ensuring the sealing performance between the sealing plug and the left flange body. This enables the emergency disconnect valve to quickly disconnect and replace the flange, reducing manual intervention, ensuring the sealing performance after disconnection, and improving the safety of the emergency disconnect valve for quick flange disconnection and replacement. After replacement, loosen the slip ring. Under the sliding connection between the slide rail and the slider, and with the elastic support of the third spring, the third spring resets. This causes the third spring to rotate the cover plate around the connecting plate as an axis, locking the cover plate against the sides of the left and right flange bodies. This further secures and limits the left and right flange bodies, preventing interruption of water flow. This allows the emergency break valve to conveniently secure and limit the left and right flanges, improving the ease of securing and limiting the left and right flanges. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a front view structural diagram of the present utility model; Figure 3 This is a front view schematic diagram of the telescopic column of this utility model; Figure 4 This is a front view schematic diagram of the sealing plug of this utility model; Figure 5 This is a three-dimensional structural diagram of the slip ring of this utility model; Figure 6 This is a three-dimensional structural diagram of the cover plate of this utility model.
[0015] In the diagram: 1. Inlet pipe; 2. Left flange body; 3. Outlet pipe; 4. Right flange body; 5. Slip ring; 6. Slide rail; 7. Slider; 8. First traction rope; 9. Second traction rope; 10. Sealing ring; 11. L-shaped frame; 12. Telescopic column; 13. First spring; 14. Top block; 15. First guide plate; 16. Support plate; 17. Second spring; 18. Sealing plug; 19. Top column; 20. Support block; 21. Third spring; 22. Connecting plate; 23. Rotating shaft; 24. Cover plate; 25. Second guide plate; 26. Groove. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the 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 scope of protection of the present utility model.
[0017] Please see Figure 1-6This utility model provides an embodiment of an emergency disconnect valve that is easy to assemble, comprising an inlet pipe 1 and a left flange body 2. The left flange body 2 is installed on the side wall of the inlet pipe 1. A slip ring 5 is provided on the outside of the inlet pipe 1. An outlet pipe 3 is provided on the outside of the left flange body 2. A right flange body 4 is installed on the side wall of the outlet pipe 3. Four sets of equally spaced slide rails 6 are installed on the outer wall of the inlet pipe 1. Four sets of equally spaced sliders 7 are installed on the inner wall of the slip ring 5. The slide rails 6 are all slidably connected to the sliders 7. Four sets of equally spaced second traction ropes 9 are installed on the outer wall of the slip ring 5. Four sets of equally spaced first traction ropes 8 are installed on the side wall of the slip ring 5. The inner wall of the left flange body 2... A sealing ring 10 is installed on the upper part. Four sets of L-shaped frames 11 with equal spacing are installed on the outer wall of the left flange body 2. A first guide plate 15 is installed on the top of each L-shaped frame 11. Telescopic columns 12 are movably installed inside the L-shaped frame 11. The telescopic columns 12 all pass through the L-shaped frame 11 and extend to its outside. The telescopic columns 12 all pass through the left flange body 2 and extend to its outside and are movably connected to it. The first traction rope 8 passes through the first guide plate 15 and is connected to the telescopic column 12. A top block 14 is installed at the bottom of each telescopic column 12. A first spring 13 is fitted on the surface of each telescopic column 12. One end of each first spring 13 is connected to the L-shaped frame 11, and the other end of each first spring 13 is connected to the top block 14. A groove 26 is provided on the outer wall of the right flange body 4. The top block 14 cooperates with the groove 26. The inside of the water inlet pipe 1 and the water outlet pipe 3 are both equipped with support plates 16. The side walls of the support plates 16 are all equipped with second springs 17. A sealing plug 18 is installed on the side wall of the second spring 17, and a top post 19 is installed on the side wall of the sealing plug 18 inside the water outlet pipe 3. When using the easy-to-assemble emergency breakaway valve, first connect multiple sets of first traction ropes 8 and second traction ropes 9 to the slip ring 5, adjust the tension of the first traction ropes 8 and second traction ropes 9, connect the right flange body 4 to the left flange body 2 so that the top block 14 mates with the groove 26, and fix the right flange body 4. The sealing ring 10 plays a sealing role. When water flows through, the water flows through the inlet pipe 1, the left flange body 2, the right flange body 4, and the outlet pipe 3 for discharge. The pressure of the water flow moves the sealing plug 18 inside the inlet pipe 1 to the right, and the pressure of the water flow moves the sealing plug 18 inside the outlet pipe 3 to the right. The sealing plug 18 moves to the left. Because the second spring 17 inside the outlet pipe 3 has reached its maximum compression, the sealing plug 18 inside the outlet pipe 3 remains relatively stable. Thus, the top column 19 limits the sealing plug 18 inside the inlet pipe 1, allowing water to flow smoothly. In case of an emergency requiring pull-out, the slip ring 5 is pulled. Under the sliding support of the slide rail 6 and the slider 7, the slip ring 5 drives the four sets of first traction ropes 8 and second traction ropes 9 to move. Supported by the second guide plate 25 and the elastic support of the third spring 21, the second traction rope 9 drives the cover plate... 24. After rotating a certain angle, supported by the first guide plate 15, the first traction rope 8 drives the telescopic column 12 to lift upward. Under the limit of the L-shaped frame 11, the telescopic column 12 drives the first spring 13 and the top block 14 to move upward, causing the top block 14 to disengage from the groove 26. The slip ring 5 is released, and under the elastic support of the first spring 13, it resets. The telescopic column 12 drives the top block 14 to reset, so that the next set of new right flange bodies 4 can be installed. Under the action of gravity, the right flange body 4 disengages from the left flange body 2 and quickly disconnects. After disconnection, the inside of the water outlet pipe 3... The sealing plug 18 causes the top column 19 to fall. Under the elastic support of the second spring 17, the second spring 17 elastically pushes the sealing plug 18 inside the water inlet pipe 1 onto the inner wall of the left flange body 2 for sealing. Under the water flow pressure inside the water inlet pipe 1, the water flow pressure causes the sealing plug 18 to move to the right, further ensuring the sealing performance between the sealing plug 18 and the left flange body 2. This enables the emergency disconnect valve to quickly disconnect and replace the flange, reducing manual intervention, ensuring the sealing performance after disconnection, and improving the safety of the emergency disconnect valve in quickly disconnecting and replacing the flange. Four sets of support blocks 20 with equal spacing are installed on the side of the water inlet pipe 1 away from the slide rail 6, and a connecting plate 22 is installed on the side wall of each support block 20. A third spring 21 is installed on the surface of the connecting plate 22. A rotating shaft 23 is movably installed on both sides of the connecting plate 22. A cover plate 24 is fitted on the surface of the rotating shaft 23. The top of the third spring 21 is connected to the cover plate 24. A second guide plate 25 is installed on the side wall of the connecting plate 22, and the second traction rope 9 passes through the second guide plate 25 and is connected to the cover plate 24. After replacement, loosen the slip ring 5. Under the sliding connection of the slide rail 6 and the slider 7, and with the elastic support of the third spring 21, the third spring 21 resets, causing the cover plate 24 to rotate around the connecting plate 22. This causes the cover plate 24 to lock onto the sides of the left flange body 2 and the right flange body 4, thus fixing and limiting the left flange body 2 and the right flange body 4 again. This prevents the water flow from being interrupted, and enables the emergency break valve to conveniently fix and limit the left and right flanges, preventing the water flow from being interrupted and improving the convenience of fixing and limiting the left and right flanges.
[0018] Working principle: When using the easy-to-assemble emergency break valve, multiple sets of first traction ropes 8 and second traction ropes 9 are connected to the slip ring 5. The tension of the first traction ropes 8 and second traction ropes 9 is adjusted, and the right flange body 4 is connected to the left flange body 2, so that the top block 14 and the groove 26 cooperate to fix the right flange body 4. The sealing ring 10 plays a sealing role. When water flows through, the water flows through the inlet pipe 1, the left flange body 2, the right flange body 4, and the outlet pipe 3 for discharge. The pressure of the water flow moves the sealing plug 18 inside the inlet pipe 1 to the right, and the pressure of the water flow moves the sealing plug 18 inside the outlet pipe 3 to the left. The second spring 17 inside the outlet pipe 3 has reached its maximum compression, so the sealing plug 18 inside the outlet pipe 3 remains relatively stable. This allows the sealing plug 18 inside the inlet pipe 1 to be limited by the top column 19, ensuring smooth water flow. In case of emergency, the slip ring 5 is pulled. Supported by the sliding rail 6 and the slider 7, the slip ring 5 moves the four sets of first traction ropes 8 and second traction ropes 9. The second traction ropes 9 rotate the cover plate 24 by a certain angle. Supported by the first guide plate 15, the first traction ropes 8 lift the telescopic column 12 upwards. Limited by the L-shaped frame 11, the telescopic column... The telescopic column 12 drives the first spring 13 and the top block 14 to move upward, causing the top block 14 to disengage from the groove 26, releasing the slip ring 5. Under the elastic support of the first spring 13, it resets. The telescopic column 12 drives the top block 14 to reset, allowing for the installation of the next set of new right flange bodies 4. Under the action of gravity, the right flange body 4 disengages from the left flange body 2, quickly disconnecting. After disconnection, the sealing plug 18 inside the outlet pipe 3 causes the top column 19 to fall. Under the elastic support of the second spring 17, the second spring 17 elastically pushes the sealing plug 18 inside the inlet pipe 1 against the inner wall of the left flange body 2 for sealing. Under the water pressure inside the inlet pipe 1, the water pressure causes the sealing plug 18 to move to the right, further ensuring the sealing performance between the sealing plug 18 and the left flange body 2. After replacement, the slip ring 5 is released. Under the sliding connection between the slide rail 6 and the slider 7, and under the elastic support of the third spring 21, the third spring 21 is reset, causing the cover plate 24 to rotate around the connecting plate 22 as the axis. This causes the cover plate 24 to be locked on the side of the left flange body 2 and the right flange body 4, thus fixing and limiting the left flange body 2 and the right flange body 4 again, preventing the water flow from being interrupted, and completing the use of the emergency disconnect valve.
Claims
1. An emergency disconnect valve that is easy to assemble, characterized in that: Includes an inlet pipe (1) and a left flange body (2). The left flange body (2) is installed on the side wall of the inlet pipe (1). A slip ring (5) is provided on the outside of the inlet pipe (1). An outlet pipe (3) is provided on the outside of the left flange body (2). A right flange body (4) is installed on the side wall of the outlet pipe (3). Four sets of equally spaced slide rails (6) are installed on the outer wall of the inlet pipe (1). Four sets of equally spaced sliders (7) are installed on the inner wall of the slip ring (5). The slide rails (6) are all slidably connected to the sliders (7). Four sets of equally spaced second traction ropes (9) are installed on the outer wall of the slip ring (5). Four sets of equally spaced first traction ropes (8) are installed on the side wall of the slip ring (5). A sealing ring (10) is installed on the inner wall of the left flange body (2). Four sets of L-shaped frames (11) with equal spacing are installed on the outer wall of the flange body (2). The top of each L-shaped frame (11) is equipped with a first guide plate (15). A telescopic column (12) is movably installed inside the L-shaped frame (11). The telescopic column (12) extends through the L-shaped frame (11) to its outside. The telescopic column (12) extends through the left flange body (2) to its outside and is movably connected to it. The first traction rope (8) passes through the first guide plate (15) and is connected to the telescopic column (12). The bottom of each telescopic column (12) is equipped with a top block (14). The surface of each telescopic column (12) is fitted with a first spring (13). One end of each first spring (13) is connected to the L-shaped frame (11), and the other end of each first spring (13) is connected to the top block (14).
2. The emergency disconnect valve for easy assembly according to claim 1, characterized in that: The outer wall of the right flange body (4) is provided with a groove (26), and the top block (14) cooperates with the groove (26).
3. The emergency disconnect valve for easy assembly according to claim 2, characterized in that: The inlet pipe (1) and outlet pipe (3) are both equipped with support plates (16), and the side walls of the support plates (16) are each equipped with a second spring (17).
4. The emergency disconnect valve for easy assembly according to claim 3, characterized in that: The second spring (17) is equipped with a sealing plug (18) on its side wall, and the water outlet pipe (3) is equipped with a top column (19) on the side wall of the sealing plug (18).
5. An emergency disconnect valve for easy assembly according to claim 4, characterized in that: The water inlet pipe (1) is equipped with four sets of equally spaced support blocks (20) on the side away from the slide rail (6), and each support block (20) has a connecting plate (22) installed on its side wall.
6. An emergency disconnect valve for easy assembly according to claim 5, characterized in that: The surface of the connecting plate (22) is equipped with a third spring (21), and the two sides of the connecting plate (22) are movably equipped with a rotating shaft (23).
7. An emergency disconnect valve for easy assembly according to claim 6, characterized in that: The surface of each rotating shaft (23) is fitted with a cover plate (24), and the top of each third spring (21) is connected to the cover plate (24).
8. An emergency disconnect valve for easy assembly according to claim 7, characterized in that: The connecting plate (22) is equipped with a second guide plate (25) on its side wall, and the second traction rope (9) passes through the second guide plate (25) and is connected to the cover plate (24).