Double-safety-valve valve seat convenient to maintain and disassemble

Abstract

The utility model relates to the technical field of maintenance of double safety valve seats, in particular to a double safety valve seat convenient to maintain and disassemble, which comprises a double safety valve body, a valve seat body is arranged below the double safety valve body, and a second connecting flange plate is arranged above the valve seat body. A first connecting flange plate is arranged on the lower end face of the double-safety-valve body, a clamping plate is fixedly arranged on the lower end face of the first connecting flange plate, an inserting-connecting groove is formed in one side of the clamping plate, a clamping-connecting groove is formed in the surface of the upper end face of the second connecting flange plate, and sliding grooves are formed in one side of the first connecting flange plate and one side of the second connecting flange plate correspondingly. A clamping plate is arranged on one side of the first connecting flange plate and one side of the second connecting flange plate, and a protruding plate is fixedly arranged in the clamping plate. According to the utility model, the device is disassembled during maintenance, the disassembly structure is simple and convenient, meanwhile, the installation structure is stable enough, the subsequent maintenance is facilitated, and a large amount of time and manpower are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly and maintenance of double safety valve seats, in particular to a double safety valve seat which is easy to disassemble and maintain. Background Art

[0002] A safety valve is a special valve whose opening and closing parts are in a normally closed state under the action of external forces. When the medium pressure in the equipment or pipeline rises above the specified value, the medium is discharged to the outside of the system to prevent the medium pressure in the pipeline or equipment from exceeding the specified value. The valve seat is a detachable surface component in the valve, which is used to support the fully closed position of the valve core and form a sealing pair. Generally, the valve seat diameter is the maximum flow diameter of the valve. For example, the valve seat material of a butterfly valve is very wide, and various types of rubber, plastic, and metal materials can be used as valve seat materials. However, the existing double safety valve may have some minor problems after long-term use. At this time, the double safety valve and the valve seat need to be disassembled and repaired. However, the double safety valve and the valve seat in the existing technology are fixed by flange bolts, which will cause the bolts to rust over time, making it inconvenient for subsequent disassembly, resulting in a lot of time and manpower spent in the disassembly process, and its fixing method is relatively simple and common.

[0003] Therefore, after long-term use, the above-mentioned existing double safety valve may have some minor problems. At this time, the double safety valve and the valve seat need to be disassembled and repaired. However, the double safety valve and the valve seat in the prior art are fixed by flange bolts, which will cause the bolts to rust over time, making it inconvenient for subsequent disassembly, resulting in a lot of time and manpower consumed in the disassembly process, and its fixing method is relatively simple and common. A method can be designed to disassemble it during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance and saves a lot of time and manpower. Utility Model Content

[0004] In order to overcome some minor problems that may occur in the existing double safety valve after long-term use, it is necessary to disassemble the double safety valve and the valve seat for maintenance. However, the double safety valve and the valve seat in the existing technology are fixed by flange bolts, which will cause the bolts to rust over time, making it inconvenient for subsequent disassembly, resulting in a lot of time and manpower consumed in the disassembly process, and its fixing method is relatively simple and common.

[0005] The technical solution of the utility model is: a double safety valve seat that is easy to maintain and disassemble, including a double safety valve body, a valve seat body is provided under the double safety valve body, a second connecting flange is provided above the valve seat body, a first connecting flange is provided on the lower end surface of the double safety valve body, a clamping plate is fixedly provided on the lower end surface of the first connecting flange, a plug-in groove is provided on one side of the clamping plate, a clamping groove is provided on the surface of the upper end surface of the second connecting flange, a sliding groove is provided on one side of the first connecting flange and the second connecting flange, a clamping plate is provided on one side of the first connecting flange and the second connecting flange, a protruding plate is fixedly provided inside the clamping plate, and positioning through holes are provided on the surfaces of the upper and lower ends of the clamping plate, a fixing through-hole groove is provided on one side of the positioning through-hole, the protruding plate is clamped between the first connecting flange and the second connecting flange and is clamped in the plug-in groove, and a sliding rod is inserted into the interior of the clamping plate through the positioning through-hole, and the sliding rod slides inside the sliding groove.

[0006] Preferably, the clamping plate on the lower end face of the first connecting flange is inserted into the clamping groove opened on the upper end face of the second connecting flange for fixation, and the clamping plate is aligned with the sliding groove opened on the surface of the first connecting flange and the second connecting flange, and then the sliding rod is aligned with the positioning through hole inside the clamping plate and inserted through the connection, and the plug-in block on the lower end face of the limiting plate is inserted into the slot inside the sliding rod for limited fixation, and then the sliding rod is slid so that it drives the raised plate inside the clamping plate so that the raised plate is clamped into the plug-in groove opened inside the clamping plate to strengthen the fixation. At the same time, the movable pressing block is also inserted into the fixed through hole groove for fixation, and it can be disassembled during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance and saves a lot of time and manpower.

[0007] Preferably, a movable groove is provided inside the first connecting flange, a spring is provided inside the movable groove, a movable pressing block penetrating the first connecting flange is provided above the spring, and the movable pressing block is inserted into the fixed through hole groove.

[0008] Preferably, a flow display area is provided above the double safety valve body, and an adjustment handle is provided above the double safety valve body.

[0009] Preferably, a plurality of bolts arranged evenly across the diameter are provided between the first connecting flange and the second connecting flange.

[0010] Preferably, slots are provided inside the upper and lower ends of the sliding rod, and limit blocks are provided at the upper and lower ends of the sliding rod.

[0011] Preferably, an insert block is provided below the limiting block and is inserted into the slot.

[0012] Preferably, a sealing gasket is provided on the lower end surface of the first connecting flange, and a sealing groove is provided inside the upper end surface of the second connecting flange, and the sealing gasket is inserted into the sealing groove.

[0013] Beneficial effects of the utility model:

[0014] The clamping plate on the lower end face of the first connecting flange is clamped into the clamping groove opened on the upper end face of the second connecting flange for fixation, and the clamping plate is aligned with the sliding groove opened on the surface of the first connecting flange and the second connecting flange, and then the sliding rod is aligned with the positioning through hole inside the clamping plate and inserted through the connection, and the plug-in block on the lower end face of the limiting plate is inserted into the slot inside the sliding rod for limit fixing, and then the sliding rod is slid so that it drives the raised plate inside the clamping plate so that the raised plate is clamped into the plug-in groove opened inside the clamping plate to strengthen the fixation. At the same time, the movable pressing block is also inserted into the fixed through hole groove for fixation, and it can be disassembled during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance and saves a lot of time and manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the double safety valve seat of the utility model;

[0016] Figure 2 The utility model is shown Figure 1 A schematic diagram of the partially enlarged structure of solid A;

[0017] Figure 3 Shown is a schematic diagram of the partial three-dimensional structure of the valve seat connection of the utility model;

[0018] Figure 4 Shown is a top view of the partial three-dimensional structure of the valve seat connection of the utility model;

[0019] Figure 5 The utility model is shown Figure 4 Schematic diagram of the enlarged structure of the part B.

[0020] Explanation of the accompanying symbols: 1. Double safety valve body; 2. First connecting flange; 3. Second connecting flange; 4. Valve seat body; 5. Movable pressing block; 6. Sliding groove; 7. Sliding rod; 8. Snap-on plate; 9. Clamping plate; 10. Insertion groove; 11. Raised plate; 12. Insertion block; 13. Snap-on groove; 14. Positioning through hole; 15. Fixed through hole groove; 16. Slot. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5 The utility model provides an embodiment: a double safety valve seat that is easy to maintain and disassemble, including a double safety valve body 1, a valve seat body 4 is provided below the double safety valve body 1, a second connecting flange 3 is provided above the valve seat body 4, a first connecting flange 2 is provided on the lower end surface of the double safety valve body 1, a clamping plate 9 is fixedly provided on the lower end surface of the first connecting flange 2, a plug-in groove 10 is provided on one side of the clamping plate 9, a clamping groove 13 is provided on the upper end surface of the second connecting flange 3, the first connecting flange 2 and the second connecting flange 3 is provided with a sliding groove 6 on one side, a clamping plate 8 is provided on one side of the first connecting flange 2 and the second connecting flange 3, a raised plate 11 is fixedly provided inside the clamping plate 8, and positioning through holes 14 are provided on the surfaces of the upper and lower ends of the clamping plate 8, and a fixed through hole groove 15 is provided on one side of the positioning through hole 14. The raised plate 11 is inserted between the first connecting flange 2 and the second connecting flange 3 and into the plug-in groove 10. A sliding rod 7 is inserted into the interior of the clamping plate 8 through the positioning through hole 14, and the sliding rod 7 slides inside the sliding groove 6.

[0023] See also Figure 1-Figure 2 In this embodiment, a movable groove is provided inside the first connecting flange 2, and a spring is provided inside the movable groove. A movable pressing block 5 is provided above the spring and passes through the first connecting flange 2. The movable pressing block 5 is inserted into the fixed through-hole groove 15. A flow display area is provided above the double safety valve body 1, and an adjusting handle is provided above the double safety valve body 1. A plurality of evenly arranged bolts are provided between the first connecting flange 2 and the second connecting flange 3 through diameters. The clamping plate 9 on the lower end face of the first connecting flange 2 is clamped into the clamping groove 13 opened on the upper end face of the second connecting flange 3 for fixation. Then, the clamping plate 8 is aligned with the sliding groove 6 opened on the surface of the first connecting flange 2 and the second connecting flange 3, and then the sliding rod 7 is aligned with the positioning through-hole 14 inside the clamping plate 8 and inserted through the connection. Then, the plug-in block 12 on the lower end face of the limiting plate is inserted into the slot 16 inside the sliding rod 7 for limiting and fixing.

[0024] See also Figure 3-Figure 5In this embodiment, slots 16 are provided inside the upper and lower ends of the sliding rod 7, and limit blocks are provided at the upper and lower ends of the sliding rod 7. An insert block 12 is provided below the limit block, and the insert block 12 is inserted into the slot 16. A sealing gasket is provided on the lower end surface of the first connecting flange 2, and a sealing groove is provided inside the upper end surface of the second connecting flange 3. The sealing gasket is inserted into the sealing groove, and then the sliding rod 7 is slid, so that it drives the raised plate 11 inside the clamping plate 8 so that the raised plate 11 is clamped into the insert groove 10 opened inside the clamping plate 9 to strengthen the fixation. At the same time, the movable pressing block 5 is also inserted into the fixed through-hole groove 15 for fixation. It can be disassembled during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance and saves a lot of time and manpower.

[0025] When working, the clamping plate 9 of the lower end surface of the first connecting flange 2 is clamped into the clamping groove 13 opened on the upper end surface of the second connecting flange 3 for fixing, then the clamping plate 8 is aligned with the sliding groove 6 opened on the surface of the first connecting flange 2 and the second connecting flange 3, and then the sliding rod 7 is aligned with the positioning through-hole 14 inside the clamping plate 8 and inserted through the connection, and then the plug-in block 12 through the lower end surface of the limiting plate is inserted into the slot 16 inside the sliding rod 7 for limiting and fixing, and then the sliding rod 7 is slid so that it drives the raised plate 11 inside the clamping plate 8 so that the raised plate 11 is clamped into the plug-in groove 10 opened inside the clamping plate 9 to strengthen the fixation. At the same time, the movable pressing block 5 is also inserted into the fixing through-hole groove 15 for fixing, and it can be disassembled during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance and saves a lot of time and manpower.

[0026] After the first and second flanges 2 and 3 are in contact with each other, the first and second flanges 3 are in contact with each other, and the second and third flanges 3 are in contact with each other, so that the first and second flanges 2 and ... 5 can also be inserted into the fixing through-hole groove 15 for fixing. It can be disassembled during maintenance, and the disassembly structure is relatively simple and convenient. At the same time, the installation is also a sufficiently stable structure, which is convenient for subsequent maintenance, saving a lot of time and manpower to solve the problem that the existing double safety valve body 1 may have some minor problems after long-term use. At this time, the double safety valve body 1 and the valve seat body 4 need to be disassembled for maintenance. However, the double safety valve body 1 and the valve seat body 4 of the prior art are fixed by flange bolts, which will cause the bolts to rust over time, making it inconvenient for subsequent disassembly, resulting in a lot of time and manpower consumed in the disassembly process, and its fixing method is relatively simple and common.

Claims

1. A double safety valve seat that is easy to maintain and disassemble, comprising a double safety valve body (1) and a valve seat body (4), characterized in that: A valve seat body (4) is provided below the double safety valve body (1), a second connecting flange (3) is provided above the valve seat body (4), a first connecting flange (2) is provided on the lower end surface of the double safety valve body (1), a clamping plate (9) is fixedly provided on the lower end surface of the first connecting flange (2), a plug-in groove (10) is provided on one side of the clamping plate (9), a clamping groove (13) is provided on the upper end surface of the second connecting flange (3), a sliding groove (6) is provided inside one side of the first connecting flange (2) and the second connecting flange (3), and the first connecting flange (2) is fixed on the lower end surface of the first connecting flange (2). ) and a second connecting flange (3) are provided with a clamping plate (8), a protruding plate (11) is fixedly provided inside the clamping plate (8), positioning through holes (14) are provided on the surfaces of the upper and lower ends of the clamping plate (8), a fixed through hole groove (15) is provided on one side of the positioning through hole (14), the protruding plate (11) is clamped between the first connecting flange (2) and the second connecting flange (3) and is clamped into the plug-in groove (10), a sliding rod (7) is inserted through the positioning through hole (14) inside the clamping plate (8), and the sliding rod (7) slides inside the sliding groove (6).

2. The double safety valve seat that is easy to maintain and disassemble according to claim 1 is characterized in that: A movable groove is provided inside the first connecting flange (2), a spring is provided inside the movable groove, a movable pressing block (5) penetrating the first connecting flange (2) is provided above the spring, and the movable pressing block (5) is inserted into the fixed through-hole groove (15).

3. The double safety valve seat that is easy to maintain and disassemble according to claim 1 is characterized in that: A flow display area is provided above the double safety valve body (1), and an adjustment handle is provided above the double safety valve body (1).

4. The double safety valve seat that is easy to maintain and disassemble according to claim 1 is characterized in that: A plurality of bolts arranged evenly are provided between the first connecting flange (2) and the second connecting flange (3) via diameters.

5. The double safety valve seat that is easy to maintain and disassemble according to claim 1 is characterized in that: Slots (16) are provided inside the upper and lower ends of the sliding rod (7), and limit blocks are provided at the upper and lower ends of the sliding rod (7).

6. The double safety valve seat that is easy to maintain and disassemble according to claim 5, characterized in that: An inserting block (12) is provided below the limiting block, and the inserting block (12) is inserted into the slot (16).

7. The double safety valve seat that is easy to maintain and disassemble according to claim 1 is characterized in that: A sealing gasket is provided on the lower end surface of the first connecting flange (2), and a sealing groove is provided inside the upper end surface of the second connecting flange (3), and the sealing gasket is inserted into the sealing groove.

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