Emergency blocking type petroleum mechanical valve

Abstract

The utility model relates to the technical field of mechanical valves, and discloses an emergency blocking type petroleum mechanical valve which comprises a valve body, a first flange plate is arranged at the top end of the valve body, a second flange plate is arranged at the top end of the first flange plate, a valve cover is arranged at the top end of the second flange plate, a protection box is arranged at the top end of the valve cover, and a valve rod is slidably connected to the middle of the valve cover. The top of the valve rod is sleeved with a corrugated pipe, a control box is arranged on one side of the protection box, an electric air cylinder is arranged at the top of the protection box, and a protection assembly is arranged at the top end of the protection box. After blocking information is received through a control box, a PCL controller in the control box controls an electric air cylinder to be started, the telescopic end of the electric air cylinder pushes a raft plate to move downwards through a valve rod, the raft plate and a valve pipe are tightly pressed, and petroleum conveying can be remotely blocked under the emergency situation; operators can open and close the valve outside the safe distance, and the safety and convenience of operation are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical valves, in particular to an emergency blocking type petroleum mechanical valve. Background Technique

[0002] In the petroleum industry, as a key device for controlling fluid flow, the stability and reliability of the performance of valves are directly related to production safety and efficiency. With the continuous progress of technology, the functional requirements for valves are also increasing day by day. In particular, valves that can quickly and effectively block fluid flow in emergency situations have attracted much attention;

[0003] Among them, the "petroleum mechanical valve with an emergency blocking function" disclosed in the patent application number "202122523498.8" is also an increasingly mature technology, including: a valve body, a connecting pipe, and a sealing gasket; the connecting pipes are respectively arranged on the left and right sides inside the valve body, and the connecting pipes are connected to the valve body by welding; the sealing gaskets are respectively arranged inside the inner ends of the connecting pipes, and the sealing gaskets are snap-connected with the connecting pipes; the sealing box is arranged in the middle of the inner bottom of the valve body, and the sealing box is connected to the valve body by welding; the opening and closing block is arranged inside the sealing box, and the opening and closing block is slidably connected with the sealing box; the screw sleeve is arranged in the middle on the upper side of the opening and closing block, and the screw sleeve is connected to the opening and closing block by welding. Through the improvement of the structure, it has the advantages of rapid blocking, safe operation, and convenient operation, thus effectively solving the problems and deficiencies in the existing device;

[0004] However, the above method still has the following defects in actual use: in a complex working environment, due to the influence of mechanical collision or dust and sand factors, the control rod is prone to adhering to dust and foreign objects, affecting the normal use of the control rod and easily causing safety accidents. At the same time, in an emergency, on-site manual operation is often required, which may lead to the expansion of the accident due to slow response speed. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an emergency blocking type petroleum mechanical valve, which has the advantages that through the cooperation of a protective box and a corrugated pipe, the damage to the valve rod caused by external factors can be reduced, the detachable corrugated pipe is convenient for the maintenance and repair of the valve rod, and the operator can perform the opening and closing operations of the valve at a safe distance, greatly improving the safety and convenience of the operation, and solving the problems raised in the above background technique.

[0006] The present utility model provides the following technical solution: An emergency blocking type petroleum machinery valve, including a valve body, a first flange is provided at the top of the valve body, a second flange is provided at the top of the first flange, a valve cover is provided at the top of the second flange, a protective box is provided at the top of the valve cover, a valve rod is slidably connected to the middle of the valve cover, a corrugated pipe is sleeved on the top of the valve rod, a control box is provided on one side of the protective box, an electric cylinder is provided on the top of the protective box, a protection component is provided at the top of the protective box, and a connection component is provided on the surface of the valve body.

[0007] As a preferred technical solution of the present utility model, the top end of the valve rod is fixedly connected to the telescopic end of the electric cylinder, a connection disk is provided at the top of the corrugated pipe, the top of the connection disk is fixedly connected to the top end of the inner wall of the protective box, a magnetic disk is provided at the bottom end of the corrugated pipe, a metal disk is provided on the upper surface of the protective box, and the magnetic disk and the metal disk are magnetically connected.

[0008] As a preferred technical solution of the present utility model, the protection component includes a connection sleeve, a protective cylinder and two heat dissipation grooves, the connection sleeve is arranged on the upper surface of the protective box, a protective cylinder is threadedly connected to the top of the connection sleeve, and heat dissipation grooves are opened on both sides of the top of the protective cylinder.

[0009] As a preferred technical solution of the present utility model, a raft plate is provided at the bottom end of the valve rod, and a sealing gasket is provided at the bottom end of the raft plate.

[0010] As a preferred technical solution of the present utility model, a valve pipe is provided in the middle of the inner wall of the valve body, and the valve pipe corresponds to the raft plate up and down.

[0011] As a preferred technical solution of the present utility model, the connection component includes a first connection pipe, a second connection pipe, a discharge pipe and a discharge valve, the first connection pipe is arranged at the top of one side of the valve body, the second connection pipe is arranged at the bottom of one side of the valve body, a discharge pipe is provided at the bottom end of the valve body, and a discharge valve is provided in the middle of the discharge pipe.

[0012] As a preferred technical solution of the present utility model, a network cable connection hole is opened on one side of the control box, and a switch panel is provided on the surface of the control box.

[0013] As a preferred technical solution of the present utility model, a battery box is provided on the other side of the protective box, and a charging slot is opened on one side of the battery box.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. For this emergency blocking type petroleum machinery valve, after the control box receives the blocking information, the PCL controller inside the control box controls the electric cylinder to open. The telescopic end of the electric cylinder pushes the valve plate downward through the valve stem, making the valve plate tightly pressed against the valve pipe, which can remotely block the transportation of petroleum in case of emergency. The operator can operate the valve at a safe distance, greatly improving the safety and convenience of operation. At the same time, by using the protective cylinder in the protection component, the damage caused to the electric cylinder by external factor impacts can be reduced, which has a good protective effect.

[0016] 2. For this emergency blocking type petroleum machinery valve, the outside of the valve stem can be protected by the protective box, reducing the damage caused to the valve stem by external factor impacts. The corrugated pipe can block external dust and foreign objects from entering the surface of the valve stem, ensuring the normal use of the valve stem, which has a good protective effect. At the same time, the corrugated pipe and the valve cover are magnetically connected by the magnetic disk and the metal disk, facilitating the maintenance and repair of the connection part of the valve stem and extending the service life of the valve stem. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present utility model;

[0018] Figure 2 is a side structural schematic diagram of the present utility model;

[0019] Figure 3 is an exploded structural schematic diagram of the present utility model;

[0020] Figure 4 is a sectional structural schematic diagram of the present utility model;

[0021] Figure 5 For the present utility model Figure 4 is an enlarged structural schematic diagram of part A.

[0022] In the figure: 1. Valve body; 2. First flange; 3. Second flange; 4. Valve cover; 5. Protective box; 6. Valve stem; 600. Valve plate; 601. Valve pipe; 61. Corrugated pipe; 62. Connection plate; 63. Magnetic disk; 64. Metal disk; 66. Control box; 660. Network cable connection hole; 67. Battery box; 7. Electric cylinder; 8. Protection component; 81. Connecting sleeve; 82. Protective cylinder; 83. Heat dissipation groove; 9. Connection component; 91. First connecting pipe; 92. Second connecting pipe; 93. Discharge pipe; 94. Discharge valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , an emergency blocking type petroleum machinery valve, including a valve body 1. A first flange 2 is provided at the top of the valve body 1. A second flange 3 is provided at the top of the first flange 2. The first flange 2 and the second flange 3 are fixedly connected by bolts. A valve cover 4 is provided at the top of the second flange 3. A protective box 5 is provided at the top of the valve cover 4. A valve stem 6 is slidably connected to the middle of the valve cover 4. A corrugated pipe 61 is sleeved on the top of the valve stem 6. The corrugated pipe 61 can prevent external dust and foreign objects from entering the surface of the valve stem 6. A control box 66 is provided on one side of the protective box 5. A PCL controller is provided inside the control box 66. The PCL controller is electrically connected to an electric cylinder 7 and can remotely control the opening of the electric cylinder 7. An electric cylinder 7 is provided on the top of the protective box 5. A protection component 8 is provided on the top of the protective box 5 for improving the protection effect of the electric cylinder 7. A connection component 9 is provided on the surface of the valve body 1 and is connected to a pipeline through the connection component 9.

[0025] The top of the valve stem 6 is fixedly connected to the telescopic end of the electric cylinder 7. The height of the valve stem 6 is adjusted by controlling the length of the telescopic end of the electric cylinder 7. A connection disk 62 is provided at the top of the corrugated pipe 61. The top of the connection disk 62 is fixedly connected to the top of the inner wall of the protective box 5. A magnetic disk 63 is provided at the bottom of the corrugated pipe 61. A metal disk 64 is provided on the upper surface of the protective box 5. The magnetic disk 63 and the metal disk 64 are magnetically connected to facilitate the maintenance and repair of the connection part of the valve stem 6.

[0026] The protection component 8 includes a connection sleeve 81, a protective cylinder 82 and two heat dissipation grooves 83. The connection sleeve 81 is arranged on the upper surface of the protective box 5. A protective cylinder 82 is threadedly connected to the top of the connection sleeve 81. The protective cylinder 82 protects the surface of the electric cylinder 7. Heat dissipation grooves 83 are opened on both sides of the top of the protective cylinder 82 to improve the heat dissipation effect on the surface of the electric cylinder 7.

[0027] A raft plate 600 is provided at the bottom of the valve stem 6. The flow rate is controlled by controlling the height of the raft plate 600. A sealing gasket is provided at the bottom of the raft plate 600 to improve the sealing performance.

[0028] A valve pipe 601 is provided in the middle of the inner wall of the valve body 1 for controlling the opening and closing of the conveyance. The valve pipe 601 corresponds to the raft plate 600 up and down.

[0029] The connecting component 9 includes a first connecting pipe 91, a second connecting pipe 92, a discharge pipe 93 and a discharge valve 94. The first connecting pipe 91 is arranged at the top on one side of the valve body 1, and the second connecting pipe 92 is arranged at the bottom on one side of the valve body 1. A discharge pipe 93 is provided at the bottom end of the valve body 1, and a discharge valve 94 is provided in the middle of the discharge pipe 93. By opening the discharge valve 94, the petroleum is discharged through the discharge pipe 93, which can be used for pressure reduction and discharging.

[0030] One side of the control box 66 is provided with a network cable connection hole 660, and the network cable connection hole 660 is connected to the network cable of the external control room. The surface of the control box 66 is provided with a switch panel, and the switch panel is a waterproof switch panel, and the switch panel is electrically connected to the electric cylinder 7.

[0031] On the other side of the protective box 5, there is a battery box 67. Inside the battery box 67, there are dry batteries, which provide backup power for the electric cylinder 7 and the control box 66. One side of the battery box 67 is provided with a charging slot for charging the dry batteries.

[0032] During use, the petroleum flows into the valve body 1 through the second connecting pipe 92, and then flows into the first connecting pipe 91 through the valve pipe 601 inside the valve body 1. The surface of the valve pipe 601 is pressed by the raft 600 to make it sealed, which can block the transportation of the petroleum. By opening the discharge valve 94 in the middle of the discharge pipe 93, the residual petroleum in the second connecting pipe 92 can be discharged. In order to quickly and emergently block the petroleum, after the control box 66 receives a signal, it can quickly start the electric cylinder 7. The telescopic end of the electric cylinder 7 pushes the raft 600 downward through the valve rod 6, so that the raft 600 is tightly pressed against the valve pipe 601, thereby realizing the rapid blocking of the petroleum transportation, effectively preventing accidents such as leakage, realizing the rapid response of the valve. Through the arranged discharge pipe 93, the residual petroleum in the second connecting pipe 92 can be discharged;

[0033] In order to protect the valve rod 6, the arranged protective box 5 can protect the outside of the valve rod 6, reducing the damage caused to the valve rod 6 by the impact of external factors. The arranged corrugated pipe 61 can block the entry of external dust and foreign objects onto the surface of the valve rod 6, having a good protective effect. At the same time, the corrugated pipe 61 and the valve cover 4 are magnetically connected by a magnetic disk 63 and a metal disk 64, which is convenient for the maintenance and repair of the connection part of the valve rod 6, and prolongs the service life of the valve rod 6. The arranged protective cylinder 82 protects the surface of the electric cylinder 7, reducing the damage caused by the impact of external factors. The heat dissipation effect of the surface of the electric cylinder 7 is improved through the heat dissipation slots 83. The threaded connection mode of the connecting sleeve 81 and the protective cylinder 82 can facilitate the disassembly of the protective cylinder 82, making daily maintenance more convenient.

[0034] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An emergency shut-off type petroleum mechanical valve, comprising a valve body (1), characterized in that: The top of the valve body (1) is provided with a first flange (2), the top of the first flange (2) is provided with a second flange (3), the top of the second flange (3) is provided with a valve cover (4), the top of the valve cover (4) is provided with a protective box (5), the middle of the valve cover (4) is slidably connected with a valve stem (6), the top of the valve stem (6) is sleeved with a bellows (61), a control box (66) is provided on one side of the protective box (5), the top of the protective box (5) is provided with an electric cylinder (7), the top of the protective box (5) is provided with a protective assembly (8), and the surface of the valve body (1) is provided with a connecting assembly (9).

2. The emergency shut-off petroleum mechanical valve according to claim 1 is characterized in that: The top end of the valve stem (6) is fixedly connected to the telescopic end of the electric cylinder (7); the top end of the bellows (61) is provided with a connecting disk (62); the top end of the connecting disk (62) is fixedly connected to the top end of the inner wall of the protection box (5); the bottom end of the bellows (61) is provided with a magnetic disk (63); the upper surface of the protection box (5) is provided with a metal disk (64); the magnetic disk (63) and the metal disk (64) are magnetically connected.

3. The emergency shut-off petroleum mechanical valve according to claim 1 is characterized in that: The protection assembly (8) comprises a connecting sleeve (81), a protective tube (82) and two heat dissipation grooves (83); the connecting sleeve (81) is arranged on the upper surface of the protection box (5); the top of the connecting sleeve (81) is threadedly connected to the protective tube (82); and heat dissipation grooves (83) are provided on both sides of the top of the protective tube (82).

4. The emergency shut-off petroleum mechanical valve according to claim 1 is characterized in that: A raft plate (600) is provided at the bottom end of the valve stem (6), and a sealing gasket is provided at the bottom end of the raft plate (600).

5. The emergency shut-off petroleum mechanical valve according to claim 4 is characterized in that: A valve pipe (601) is provided in the middle of the inner wall of the valve body (1), and the valve pipe (601) corresponds to the raft plate (600) in upper and lower parts.

6. The emergency shut-off petroleum mechanical valve according to claim 1, characterized in that: The connecting assembly (9) comprises a first connecting pipe (91), a second connecting pipe (92), a discharge pipe (93) and a discharge valve (94); the first connecting pipe (91) is arranged at the top of one side of the valve body (1); the second connecting pipe (92) is arranged at the bottom of one side of the valve body (1); the bottom end of the valve body (1) is provided with a discharge pipe (93); and the middle part of the discharge pipe (93) is provided with a discharge valve (94).

7. The emergency shut-off petroleum mechanical valve according to claim 1, characterized in that: A network cable connection hole (660) is provided on one side of the control box (66), and a switch panel is provided on the surface of the control box (66).

8. The emergency shut-off petroleum mechanical valve according to claim 1, characterized in that: A battery box (67) is provided on the other side of the protection box (5), and a charging slot is provided on one side of the battery box (67).

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