Safety valve with quick connection structure

Abstract

The utility model relates to the technical field of safety valves, and discloses a safety valve with a quick connection structure, which comprises a valve body, one side of the valve body is fixedly connected with a first connection flange, one side of the first connection flange is provided with a second connection flange, one side of the outer wall of the second connection flange is fixedly connected with a transmission pipe, and the transmission pipe is provided with a quick connection structure. A quick connecting assembly is installed in the first connecting flange. The quick connecting assembly comprises a fixing column, the outer wall of the fixing column is fixedly connected to the inner wall of the first connecting flange, a sliding block is slidably connected to the inner wall of the fixing column, and a spring is fixedly connected to one side of the outer wall of the sliding block. According to the utility model, the connecting flange I is close to the connecting flange II, the fixed column is inserted into the hole in the connecting flange I, and the sliding block is driven to push the rotating plate by the counter-acting force of the spring, so that the clamping block is clamped on the outer wall of the connecting flange II to realize quick installation; and the pull ring is pulled to drive the connecting rod to slide, so that quick dismounting is realized, and the working efficiency of mounting operation is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of safety valve technology, and in particular to a safety valve with a quick-connect structure. Background Technology

[0002] As an automatic valve, a safety valve automatically opens to relieve pressure and ensure safety when the system pressure exceeds the limit. It consists of a valve seat, valve core, and spring, and operates based on pressure balance changes. Using safety valves with a quick-connect structure is of great significance. In terms of ease of installation and maintenance, it can shorten installation time, saving several hours, such as during replacement in a chemical production line. It also facilitates maintenance and replacement in case of failure, reducing the impact on system operation. In terms of system flexibility and adaptability, it facilitates system upgrades and modifications, such as allowing for flexible adjustments during the expansion of a natural gas transmission system. It can also adapt to various connection requirements and is conveniently used in various industrial environments, playing a significant role in ensuring the safe and efficient operation of the system.

[0003] Traditional safety valves are typically connected by bolts and nuts inserted into the flange. However, when replacing or repairing the safety valve, special tools are needed to remove the nuts. This process is not only time-consuming and labor-intensive but also reduces the efficiency of the installation work. Therefore, a safety valve with a quick-connect structure is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a safety valve with a quick-connect structure, which aims to improve the problem that the connection method used in the prior art is relatively simple in structure and the disassembly and installation method is relatively cumbersome, which leads to a decrease in the work efficiency of the installation operation.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a safety valve with a quick-connect structure, comprising a valve body, a connecting flange one fixedly connected to one side of the valve body, a connecting flange two provided on one side of the connecting flange one, a transmission pipe fixedly connected to one side of the outer wall of the connecting flange two, and a quick-connect assembly installed inside the connecting flange one.

[0006] The quick-connect assembly includes a fixed post, the outer wall of which is fixedly connected to the inner wall of a connecting flange. A sliding block is slidably connected to the inner wall of the fixed post. A spring is fixedly connected to one side of the outer wall of the sliding block. A rotating plate is rotatably connected to one side of the outer wall of the sliding block. A locking block is rotatably connected to one side of the outer wall of the rotating plate. A hinge seat is rotatably connected to the inner wall of the locking block. One side of the outer wall of the hinge seat is fixedly connected to one side of the inner wall of the fixed post. A quick-release assembly is installed on one side of the outer wall of the sliding block.

[0007] Furthermore, the quick-release assembly includes a connecting rod, one end of which is fixedly connected to one side of the outer wall of the sliding block, and the other end of which is fixedly connected to a fixing plate. A fixing rod is fixedly connected to one side of the outer wall of the fixing plate, and a pull ring is provided inside the fixing rod.

[0008] Furthermore, a positioning component is installed on the outer wall of the first connecting flange, and a sealing gasket is provided inside the second connecting flange, with one side of the outer wall of the sealing gasket tightly attached to one side of the outer wall of the first connecting flange.

[0009] Furthermore, the positioning assembly includes a second hinge seat, one side of the outer wall of the second hinge seat is fixedly connected to one side of the outer wall of the first connecting flange, a rotating rod is fixedly connected inside the second hinge seat, a support plate is rotatably mounted on the outer wall of the rotating rod, a clamping plate is fixedly connected to one side of the outer wall of the support plate, and a fastening assembly is provided inside the support plate.

[0010] Furthermore, the fastening assembly includes a threaded groove formed inside the support plate, and a threaded ring is rotatably connected to the outer wall of the support plate.

[0011] Furthermore, one side of the outer wall of the locking block is tightly attached to one side of the outer wall of the second connecting flange, and the locking block is used to connect and fix the second connecting flange.

[0012] Furthermore, one end of the spring is fixedly connected to one side of the outer wall of the sliding block, and the other end of the spring is fixedly connected to one side of the inner wall of the fixed column.

[0013] Furthermore, the inner wall of the threaded ring is threaded to the outer wall of the threaded groove, and the threaded ring is used to fix the support plate.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, by bringing the connecting flange one close to the connecting flange two, the fixing post is inserted into the hole inside the connecting flange two. At this time, the reaction force of the spring drives the sliding block to push the rotating plate to rotate. The rotation of the rotating plate causes the locking block to engage with one side of the outer wall of the connecting flange two, thus achieving the effect of quick installation. By pulling the pull ring, the connecting rod on one side of the fixing rod is slid. The movement of the connecting rod achieves the effect of quick disassembly, thereby improving the work efficiency of the installation operation.

[0016] 2. In this utility model, by rotating the support plate, the support plate is positioned on the outer wall of the rotating rod. Then, by rotating the support plate, the clamping plate is engaged with the outer wall of the connecting flange two. Then, by rotating the threaded ring, the connecting flange two is further tightened by rotating it on the outer wall of the threaded groove. This further strengthens the connection between the connecting flange one and the connecting flange two, thereby improving the practicality of the safety valve. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a safety valve with a quick-connect structure proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the clamping plate portion of a safety valve with a quick-connect structure proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the sealing gasket structure of a safety valve with a quick-connect structure proposed in this utility model.

[0020] Figure 4 for Figure 3 A in the enlarged view.

[0021] Legend:

[0022] 1. Valve body; 2. Connecting flange one; 3. Connecting flange two; 4. Fixed column; 5. Sliding block; 6. Spring; 7. Rotating plate; 8. Clamping block; 9. Hinge seat one; 10. Connecting rod; 11. Fixed plate; 12. Fixed rod; 13. Pull ring; 14. Hinge seat two; 15. Rotating rod; 16. Support plate; 17. Threaded groove; 18. Clamping plate; 19. Threaded ring; 20. Sealing gasket; 21. Transmission pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 - Figure 4 An embodiment of this utility model is provided: a safety valve with a quick connection structure, including a valve body 1, a connecting flange 2 fixedly connected to one side of the valve body 1, a connecting flange 3 provided on one side of the connecting flange 2, a transmission pipe 21 fixedly connected to one side of the outer wall of the connecting flange 3, and a quick-connect assembly installed inside the connecting flange 2.

[0025] The quick-release assembly includes a fixed post 4, the outer wall of which is fixedly connected to the inner wall of the connecting flange 2. A sliding block 5 is slidably connected to the inner wall of the fixed post 4. A spring 6 is fixedly connected to one side of the outer wall of the sliding block 5. A rotating plate 7 is rotatably connected to one side of the outer wall of the sliding block 5. A locking block 8 is rotatably connected to one side of the outer wall of the rotating plate 7. A hinge seat 9 is rotatably connected to the inner wall of the locking block 8. One side of the outer wall of the hinge seat 9 is fixedly connected to one side of the inner wall of the fixed post 4. A quick-release assembly is installed on one side of the outer wall of the sliding block 5. The quick-release assembly includes a connecting rod 10, one end of which is fixedly connected to one side of the outer wall of the sliding block 5. A fixed plate 11 is fixedly connected to the other end of the connecting rod 10. A fixed rod 12 is fixedly connected to one side of the outer wall of the fixed plate 11. A pull ring 13 is provided inside the fixed rod 12.

[0026] Specifically, valve body 1, as the main structure of the safety valve, undertakes the crucial functions of pressure control and media flow, providing a fundamental guarantee for the stable operation of the entire device. It ensures accurate response and pressure relief actions in case of abnormal system pressure, effectively protecting system safety. The connecting flange 2, fixedly connected to one side of valve body 1, is an important interface component for connecting to external transmission pipelines. It works in conjunction with connecting flange 3. The transmission pipe 21, fixedly connected to one side of the outer wall of connecting flange 3, allows the safety valve to be easily connected to various industrial pipeline systems, ensuring smooth media transmission. Whether gaseous or liquid, media can pass orderly through the connecting flange and valve body 1 under system pressure, achieving precise control of system pressure by the safety valve. To maintain the normal operating pressure range of the system, the quick-connect assembly installed inside the connecting flange 2 greatly improves the installation and disassembly efficiency of the safety valve. The fixed column 4 in the quick-connect assembly is fixedly connected to the inner wall of the connecting flange 2, providing a stable support frame for the entire quick-connect structure, ensuring the relative position stability of each component during the connection process, preventing displacement or deformation due to external forces, thereby ensuring the reliability and sealing of the connection. The sliding block 5, which is slidably connected to the inner wall of the fixed column 4, can achieve rapid position adjustment under the elastic force of the spring 6, so as to make tight fit with the connecting flange 3. The spring 6 provides a reset force for the sliding block 5, so that it maintains its initial position in the unconnected state, which facilitates subsequent connection operations.On the other hand, after the connection is completed, the elastic force of the spring 6 can make the sliding block 5 press tightly against the connecting parts, enhancing the stability of the connection, preventing loosening, and ensuring that the safety valve will not leak or fail due to unstable connection during operation. The rotating plate 7 rotatably connected to one side of the outer wall of the sliding block 5, and the locking block 8 rotatably connected to one side of the outer wall of the rotating plate 7, through a clever rotating structure design, can flexibly adjust the position during the connection process to achieve quick locking and unlocking with the connecting flange 2 3. When the connecting flange 1 2 and the connecting flange 2 3 are aligned and close, the locking block 8, driven by the rotating plate 7, can quickly lock into the corresponding slot or protrusion of the connecting flange 2 3 to complete the connection action. The operation is simple and quick, without complicated tools and tedious steps, which greatly shortens the installation time of the safety valve and improves production efficiency. The hinge seat 1 9 rotatably connected to the inner wall of the locking block 8 is fixedly connected to one side of the inner wall of the fixed column 4 on one side of the outer wall, providing a stable fulcrum for the rotation of the locking block 8, ensuring the accurate movement trajectory of the locking block 8 during the rotation process, and ensuring the accuracy of the connection. Reliability is ensured, effectively avoiding connection failures or poor sealing caused by misalignment of the locking block 8. The quick-release assembly installed on one side of the outer wall of the sliding block 5 further enhances the ease of maintenance of the safety valve. One end of the connecting rod 10 in the quick-release assembly is fixedly connected to one side of the outer wall of the sliding block 5, transmitting the movement of the sliding block 5 to the fixing plate 11. This allows operators to indirectly operate the sliding block 5 by controlling the fixing plate 11, achieving rapid disconnection. The fixing rod 12, fixedly connected to one side of the outer wall of the fixing plate 11, has an internal pull ring 13, providing a convenient operating point for the operator. When the safety valve needs to be disassembled, the operator only needs to pull the pull ring 13. Through the linkage of the fixing rod 12, the fixing plate 11, and the connecting rod 10, the sliding block 5 overcomes the elastic force of the spring 6 and moves outward, causing the locking block 8 to disengage from the locking position of the connecting flange 2 3. This allows the safety valve to be easily disassembled. The entire process is simple, fast, and labor-saving, greatly reducing the maintenance difficulty and workload of the safety valve, minimizing equipment downtime, and providing strong support for the continuity of industrial production.

[0027] Reference Figure 1 - Figure 4A positioning assembly is installed on the outer wall of connecting flange 2. A sealing gasket 20 is provided inside connecting flange 3, with one side of the outer wall of the sealing gasket 20 tightly attached to one side of the outer wall of connecting flange 2. The positioning assembly includes a hinge seat 2 14, one side of which is fixedly connected to one side of the outer wall of connecting flange 2. A rotating rod 15 is fixedly connected inside hinge seat 2 14. A support plate 16 is rotatably attached to the outer wall of the rotating rod 15. A clamping plate 18 is fixedly connected to one side of the outer wall of the support plate 16. A fastening assembly is provided inside the support plate 16. The fastening assembly includes a threaded groove 17, which is opened inside the support plate 16. A threaded ring 19 is rotatably connected to the outer wall of the support plate 16. One side of the outer wall of the clamping block 8 is tightly attached to one side of the outer wall of connecting flange 3, and the clamping block 8 is used to connect and fix connecting flange 2 3. One end of the spring 6 is fixedly connected to one side of the outer wall of the sliding block 5, and the other end of the spring 6 is fixedly connected to one side of the inner wall of the fixing column 4. The inner wall of the threaded ring 19 is threadedly connected to the outer wall of the threaded groove 17, and the threaded ring 19 is used to fix the support plate 16.

[0028] Specifically, the positioning assembly installed on the outer wall of connecting flange 2 plays a crucial role in ensuring the accuracy and stability of the connection between the safety valve and the transmission pipeline. The hinge seat 14 within the positioning assembly has one side of its outer wall fixedly connected to the outer wall of connecting flange 2, providing a reliable support foundation for the entire positioning structure. This ensures that subsequent components can function stably and withstand certain external impacts during the installation of the safety valve without displacement or deformation, thus guaranteeing a smooth connection operation. The rotating rod 15, fixedly connected inside the hinge seat 14, serves as the rotation axis of the support plate 16, allowing the support plate 16 to rotate flexibly around it. This facilitates position adjustment in different installation scenarios to adapt to changes in the relative position of connecting flange 3, ensuring... Precise positioning during the connection process effectively avoids problems such as poor sealing or weak connection caused by misalignment. The support plate 16, which rotates on the outer wall of the rotating rod 15, has a clamping plate 18 fixedly connected to one side of its outer wall. During the connection operation, this plate provides precise positioning and initial fixation. When connecting flange 12 and connecting flange 23 approach each other, the operator can rotate the support plate 16 to engage the clamping plate 18 in a specific position on connecting flange 23, restricting relative movement of connecting flange 23. This provides stable initial conditions for subsequent connection operations, ensuring accurate alignment of connecting flange 12 and connecting flange 23, improving connection precision and efficiency, and reducing adjustment time and workload during installation. The fastening components inside the support plate 16 further enhance the connection's stability. To ensure the stability and reliability of the connection, the threaded groove 17 in the fastening assembly is located inside the support plate 16 and works in conjunction with the threaded ring 19. After the clamping plate 18 is initially positioned, rotating the threaded ring 19 causes its inner wall to be threaded onto the outer wall of the threaded groove 17, which firmly fixes the support plate 16 in its current position, preventing it from rotating or shifting due to vibration or other external forces during operation. This ensures the continuous and stable positioning of the clamping plate 18 on the connecting flange 2 3, strengthens the connection's firmness, and ensures that the connection between the safety valve and the transmission pipeline remains stable and reliable during long-term operation, effectively avoiding safety hazards caused by loose connections. The sealing gasket 20 inside the connecting flange 2 3 has one side of its outer wall tightly attached to one side of the outer wall of the connecting flange 1 2. Its main function is to ensure the sealing of the connection parts. During the operation of the safety valve, both gaseous and liquid media may have a certain pressure. If the connection parts are not sealed tightly, it will lead to media leakage, which will not only cause energy waste and environmental pollution, but may also affect the normal operating pressure of the system and reduce the protective effect of the safety valve. The sealing gasket 20 can effectively fill the tiny gap between the connecting flange 1 2 and the connecting flange 2 3, prevent media leakage, ensure the sealing and safety of the system, maintain the normal operating state of the system, and improve the stability and reliability of industrial production. The outer wall of the locking block 8 is tightly attached to the outer wall of the connecting flange 2 3. As a key part of the quick-connect assembly, it is used to connect and fix the connecting flange 2 3. Under the elastic force of the spring 6,The locking block 8 tightly grips the connecting flange 2 3, providing reliable connection force and ensuring the tightness and stability of the connection. One end of the spring 6 is fixedly connected to the outer wall of the sliding block 5, and the other end is fixedly connected to the inner wall of the fixing column 4. Its elasticity not only provides the pressure required for the connection of the locking block 8, but also buffers the impact force during the connection process to a certain extent, protecting the connecting components from damage. Simultaneously, during equipment operation, it continuously maintains the locked state of the locking block 8, preventing loosening and ensuring the normal operation of the safety valve and the safety and stability of the system. The inner wall of the threaded ring 19 is threaded to the outer wall of the threaded groove 17. Through the tight fit of the threads, the support plate 16 is fixed. This fastening method is simple and effective, allowing adjustment of the tightening degree of the threaded ring 19 according to actual needs, precisely controlling the fixing force of the support plate 16, ensuring that the support plate 16 maintains a stable position under different working environments and conditions. This provides reliable auxiliary support for the connection of connecting flange 1 2 and connecting flange 2 3, further improving the stability and reliability of the entire connection structure, ensuring the safety valve can operate safely and stably under various complex conditions, and effectively protecting the industrial system from overpressure hazards.

[0029] Working principle: When installing this safety valve, first place the valve body 1 on one side of the connecting flange 2 3 to be installed. Then, insert the fixing post 4 into the connecting flange 2 3. The reaction force of the spring 6 pushes the rotating plate 7 on one side of the sliding block 5 to rotate. The rotation of the rotating plate 7 causes the locking block 8 to engage on one side of the connecting flange 2 3. At this time, the sealing gasket 20 abuts against the outer wall of the connecting flange 2 2, thus achieving a sealing effect. Then, by rotating the support plate 16, the locking plate 18 engages with the outer wall of the connecting flange 2 3. Then, rotate the threaded ring 19 to install it on the outer wall of the threaded groove 17, thus achieving the effect of fixing the locking plate 18. When disassembly is required, pull the pull ring 13. The pull ring 13 drives the connecting rod 10 to move, which in turn drives the sliding block 5 to pull the rotating plate 7 to rotate, thereby achieving the effect of quickly disassembling the locking block 8 from one side of the connecting flange 2 3.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A safety valve with a quick-connect structure, comprising a valve body (1), characterized in that: A connecting flange 1 (2) is fixedly connected to one side of the valve body (1), a connecting flange 2 (3) is provided on one side of the connecting flange 1 (2), a transmission pipe (21) is fixedly connected to one side of the outer wall of the connecting flange 2 (3), and a quick-connect assembly is installed inside the connecting flange 1 (2). The quick-connect assembly includes a fixed post (4), the outer wall of which is fixedly connected to the inner wall of the connecting flange (2), a sliding block (5) is slidably connected to the inner wall of the fixed post (4), a spring (6) is fixedly connected to one side of the outer wall of the sliding block (5), a rotating plate (7) is rotatably connected to one side of the outer wall of the sliding block (5), a locking block (8) is rotatably connected to one side of the outer wall of the rotating plate (7), a hinge seat (9) is rotatably connected to the inner wall of the locking block (8), one side of the outer wall of the hinge seat (9) is fixedly connected to one side of the inner wall of the fixed post (4), and a quick-release assembly is installed on one side of the outer wall of the sliding block (5).

2. A safety valve with a quick-connect structure according to claim 1, characterized in that: The quick-release assembly includes a connecting rod (10), one end of which is fixedly connected to one side of the outer wall of the sliding block (5), and the other end of which is fixedly connected to a fixing plate (11). A fixing rod (12) is fixedly connected to one side of the outer wall of the fixing plate (11), and a pull ring (13) is provided inside the fixing rod (12).

3. A safety valve with a quick-connect structure according to claim 2, characterized in that: A positioning component is installed on the outer wall of the first connecting flange (2), and a sealing gasket (20) is provided inside the second connecting flange (3). One side of the outer wall of the sealing gasket (20) is tightly attached to one side of the outer wall of the first connecting flange (2).

4. A safety valve with a quick-connect structure according to claim 3, characterized in that: The positioning assembly includes a second hinge seat (14), one side of the outer wall of the second hinge seat (14) is fixedly connected to one side of the outer wall of the first connecting flange (2), a rotating rod (15) is fixedly connected inside the second hinge seat (14), a support plate (16) is rotatably mounted on the outer wall of the rotating rod (15), a clamping plate (18) is fixedly connected on one side of the outer wall of the support plate (16), and a fastening assembly is provided inside the support plate (16).

5. A safety valve with a quick-connect structure according to claim 4, characterized in that: The fastening assembly includes a threaded groove (17) which is formed inside the support plate (16), and a threaded ring (19) is rotatably connected to the outer wall of the support plate (16).

6. A safety valve with a quick-connect structure according to claim 1, characterized in that: The outer wall of the locking block (8) is tightly attached to the outer wall of the connecting flange two (3), and the locking block (8) is used to connect and fix the connecting flange two (3).

7. A safety valve with a quick-connect structure according to claim 1, characterized in that: One end of the spring (6) is fixedly connected to one side of the outer wall of the sliding block (5), and the other end of the spring (6) is fixedly connected to one side of the inner wall of the fixed column (4).

8. A safety valve with a quick-connect structure according to claim 5, characterized in that: The inner wall of the threaded ring (19) is threaded to the outer wall of the threaded groove (17), and the threaded ring (19) is used to fix the support plate (16).

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