A natural gas flow control device

Abstract

The present invention provides a natural gas flow control device, comprising a main body, wherein the two ends of the main body are respectively provided with an air inlet end and an air outlet end, the outer ends of the air inlet end and the air outlet end are fixedly installed with flanges, a fixed cover is provided in the middle position of the main body, and one end of the inner side of the air inlet end and the air outlet end is fixedly installed with a boss. Adjustment mechanisms such as a servo motor, a gear, and a rotating rod are arranged inside the main body. The control device is small in size and is directly installed between two sections of pipelines through a flange during installation. It is less affected by surrounding pipelines and other objects, and is simple to operate and easy to install.

Description

Technical Field

[0001] The present invention relates to the technical field of natural gas flow control, and in particular to a natural gas flow control device. Background Art

[0002] A natural gas station is a place used to transport flammable and explosive natural gas. In order to ensure the safety and stability of the natural gas transportation process, it is necessary to reasonably regulate the pressure and force of the natural gas.

[0003] The Chinese utility model patent with publication number CN215576296U proposes an intelligent natural gas flow control device, including a pipe body, an air inlet pipe is arranged in the middle of the bottom end of the pipe body, an electric push rod is arranged in the middle of the right side of the pipe body, the push rod end of the electric push rod passes through the interior of the pipe body, the push rod end of the electric push rod is connected to the center of the right side of the sealing block, and a gas flow detector is arranged on the left side of the pipe body; a sealing ring is arranged inside the pipe body, a sealing strip is arranged on the outer periphery of the right side of the sealing ring, and a switch is arranged on the right side of the top end of the pipe body.

[0004] The above technical solution drives the sealing block through the electric push rod, so that the sealing block moves inside the pipe body, and the sealing block, the sealing ring and the sealing strip change and adjust the flow of natural gas. However, the electric push rod is arranged on the outside of the pipe body, which makes the control device larger in size and is affected by the surrounding pipes and other objects during installation, making it inconvenient to operate.

[0005] To this end, the present invention provides a natural gas flow control device. Summary of the invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a natural gas flow control device to solve the problems raised in the above-mentioned background technology. The present invention arranges the regulating mechanism inside the main body. The control device is small in size and is directly installed between two sections of pipelines through a flange during installation. It is less affected by surrounding pipelines and other objects, and is simple to operate and easy to install.

[0007] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a natural gas flow control device, including a main body, wherein the two ends of the main body are respectively provided with an inlet end and an outlet end, the outer ends of the inlet end and the outlet end are fixedly installed with flanges, a fixed cover is provided in the middle position of the main body, and one end of the inner side of the inlet end and the outlet end is fixedly installed with a boss, the boss is arranged inside the fixed cover, and a turntable is rotatably installed in the middle of the bosses on both sides through an adjustment mechanism, the adjustment mechanism is installed inside the bottom end of the fixed cover, and the outer sides of the bosses on both sides are fixedly installed with sealing plates, and the sealing plates are fixedly installed inside the two ends of the fixed cover, and the adjustment mechanism includes a servo motor.

[0008] Furthermore, the servo motor is fixedly mounted on one side of the bottom end of a sealing plate on one side, the sealing plate is in a circular ring shape, and a heat dissipation port is provided inside the inner wall of the fixed cover corresponding to one side of the servo motor.

[0009] Furthermore, a rotating rod is rotatably installed between the bottom ends of the sealing plates on both sides, one end of the rotating rod is fixedly connected to the output shaft of the servo motor, and the rotating rod is installed inside the fixed cover.

[0010] Furthermore, a gear is fixedly mounted on one end of the rotating rod, and the gear is arranged below the turntable. A gear ring is coaxially fixedly mounted on the outer side of the turntable. There is one gear ring, and the gear is meshed with the gear ring and arranged in parallel.

[0011] Furthermore, a hexagonal nut is fixedly mounted on the other end of the rotating rod, and the hexagonal nut is movably mounted inside the outer wall of the fixed cover.

[0012] Furthermore, grooves are provided on both sides of the turntable, one end of the bosses on both sides is movably installed inside the grooves, a first through hole is provided on the top of one side of the boss, and the axes of the first through holes on both sides are on the same straight line.

[0013] Furthermore, a second through hole is opened inside the turntable, and a connecting rod is fixedly installed at the center position of one side of the turntable, and the connecting rod passes through the center position of the boss on one side.

[0014] Furthermore, a truncated cone is fixedly mounted on one end of the connecting rod, a second through hole is provided inside the truncated cone, and axes of the second through holes on both sides are in the same straight line.

[0015] Furthermore, the truncated table contacts the inner wall of the boss, a rubber ring is fixedly installed on the inner wall of the boss at a position corresponding to the boss, and a rubber block is fixedly installed on the bottom of the inner side of the boss corresponding to one side of the truncated table.

[0016] Furthermore, a gas flow meter and a pressure gauge are screwed and installed on both sides of the interior of one end of the fixed cover through fixing nuts, and the bottom ends of the gas flow meter and the pressure gauge are installed between the boss and the truncated table through a sealing rubber sleeve.

[0017] Beneficial effects of the present invention: A natural gas flow control device of the present invention includes a main body, a flange, a gas flow meter, a pressure gauge, a heat dissipation port, an air inlet end, an air outlet end, a boss, a first through hole, a turntable, a sealing plate, a gear ring, a gear, a rotating rod, a hexagonal nut, a servo motor, a second through hole, a connecting rod, a rubber block, a frustum, and a sealing rubber sleeve.

[0018] 1. The natural gas flow control device sets the servo motor, gears, rotating rods and other adjustment mechanisms inside the main body. The control device is small in size and can be directly installed between two sections of the pipeline through the flange during installation. It is less affected by the surrounding pipelines and other objects, and is simple to operate and easy to install.

[0019] 2. The servo motor of the natural gas flow control device drives the gear to rotate through the rotating rod, and the gear meshing drives the gear ring and the turntable to rotate between the convex edges on both sides, so as to facilitate the alignment of the first through hole and the second through hole, thereby controlling the natural gas to flow from the air inlet end to the air outlet end. The overlapping area of ​​the first through hole and the second through hole can also be controlled by adjusting the turntable and the second through hole to control the flow of natural gas. While the turntable rotates, the connecting rod can drive the round table, and the round table drives the second through hole, and the second through hole is closed by the rubber block. The second through hole on the turntable is staggered with the first through hole on the convex table. The cooperation of the round table, the turntable and the sealing plate on both sides plays a role of multiple sealing, and the space where the gas flow meter and the pressure gauge are located is sealed, so that the gas flow meter and the pressure gauge are convenient to repair and replace.

[0020] 3. One end of the rotating rod of the natural gas flow control device is provided with a hexagonal nut, which can be manually adjusted when the power is off, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of a natural gas flow control device of the present invention;

[0022] Figure 2 It is a front cross-sectional view of a natural gas flow control device of the present invention;

[0023] Figure 3 A natural gas flow control device according to the present invention Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 A cross-sectional view of a natural gas flow control device according to the present invention;

[0025] Figure 5 This is a structural diagram of a turntable and a round table of a natural gas flow control device of the present invention;

[0026] In the figure: 1. main body; 2. flange; 3. gas flow meter; 4. pressure gauge; 5. heat dissipation port; 6. air inlet end; 7. air outlet end; 8. boss; 9. first through hole; 10. turntable; 11. sealing plate; 12. gear ring; 13. gear; 14. rotating rod; 15. hexagon socket nut; 16. servo motor; 17. second through hole; 18. connecting rod; 19. rubber block; 20. round table; 21. sealing rubber sleeve. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] See also Figures 1 to 5 The present invention provides a technical solution: a natural gas flow control device, comprising a main body 1, wherein both ends of the main body 1 are respectively provided with an inlet end 6 and an outlet end 7, and flanges 2 are fixedly installed on the outer ends of the inlet end 6 and the outlet end 7, and a fixed cover is provided in the middle position of the main body 1, and bosses 8 are fixedly installed on one end of the inner side of the inlet end 6 and the outlet end 7, and the bosses 8 are arranged inside the fixed cover, and a turntable 10 is rotatably installed in the middle of the bosses 8 on both sides through an adjustment mechanism, and the adjustment mechanism is installed inside the bottom end of the fixed cover, and sealing plates 11 are fixedly installed on the outer sides of the bosses 8 on both sides, and the sealing plates 11 are fixedly installed inside the two ends of the fixed cover, and the adjustment mechanism includes a servo motor 16, and the turntable 10 and the bosses 8 on both sides can improve the sealing performance of the control device during maintenance, and the flange 2 is convenient for installing the control device.

[0029] In this embodiment, the servo motor 16 is fixedly mounted on one side of the bottom end of the sealing plate 11 on one side, the sealing plate 11 is in the shape of a circular ring, a heat dissipation port 5 is opened inside the inner wall of the fixed cover on one side of the servo motor 16, a rotating rod 14 is rotatably mounted between the bottom ends of the sealing plates 11 on both sides, one end of the rotating rod 14 is fixedly connected to the output shaft of the servo motor 16, the rotating rod 14 is mounted inside the fixed cover, a gear 13 is fixedly mounted on one end of the rotating rod 14, the gear 13 is arranged below the turntable 10, a gear ring 12 is coaxially fixedly mounted on the outer side of the turntable 10, the number of the gear ring 12 is one, the gear 13 is meshed with the gear ring 12 and is arranged in parallel The other end of the rotating rod 14 is fixedly installed with a hexagonal nut 15, and the hexagonal nut 15 is movably installed inside the outer wall of the fixed cover. When the servo motor 16 is working, it can drive the gear 13 through the rotating rod 14, and the gear 13 is engaged to drive the gear ring 12, and the gear ring 12 drives the turntable 10 to rotate between the bosses 8 on both sides, so as to facilitate the alignment of the second through hole 17 on the turntable 10 with the first through hole 9, so as to facilitate the transportation of natural gas, and can also adjust the overlapping area between the first through hole 9 and the second through hole 17, so as to control the flow of natural gas, and the rotating rod 14 can be manually rotated by using a tool through the hexagonal nut 15, so as to facilitate manual adjustment of the control device, and the operation is simple.

[0030] In this embodiment, grooves are provided on both sides of the turntable 10, one end of the boss 8 on both sides is movably installed inside the grooves, a first through hole 9 is provided on the top of one side of the boss 8, and the axes of the first through holes 9 on both sides are on the same straight line, a second through hole 17 is provided inside the turntable 10, a connecting rod 18 is fixedly installed at the center position of one side of the turntable 10, the connecting rod 18 passes through the center position of the boss 8 on one side, a round table 20 is fixedly installed at one end of the connecting rod 18, a second through hole 17 is provided inside the round table 20, and the axes of the second through holes 17 on both sides are on the same straight line On the line, the table 20 contacts the inner wall of the boss 8, a rubber ring is fixedly installed on the inner wall of the boss 8 at the position corresponding to the boss 8, and a rubber block 19 is fixedly installed on the bottom of the inner side of the boss 8 corresponding to one side of the table 20. When the turntable 10 rotates, it can drive the second through hole 17 thereon, and the second through hole 17 is staggered with the first through holes 9 on both sides. At the same time, the turntable 10 drives the table 20 to rotate through the connecting rod 18, and the table 20 drives the second through hole 17 thereon, so that the rubber block 19 closes the second through hole 17 on the table 20, which is convenient for the subsequent replacement of the gas flow meter 3 and the pressure gauge 4.

[0031] In this embodiment, the gas flow meter 3 and the pressure gauge 4 are screwed and installed on both sides of the interior of one end of the fixed cover through fixing nuts, and the bottom ends of the gas flow meter 3 and the pressure gauge 4 are installed between the boss 8 and the cone 20 through a sealing rubber sleeve 21. The sealing rubber sleeve 21 can seal the gas flow meter 3 and the pressure gauge 4 and the boss 8, and the gas flow meter 3 and the pressure gauge 4 can be easily disassembled through the fixing nut.

[0032] When the natural gas flow control device is used, the control device is fixedly installed between two sections of natural gas pipelines through flange 2 and bolts, the servo motor 16 is electrically connected to an external power supply, and the servo motor 16, gear 13, rotating rod 14 and other adjustment mechanisms are arranged inside the main body 1. The control device is small in size, less affected by surrounding pipelines and other objects, simple to operate and easy to install; start the servo motor 16, the output shaft of the servo motor 16 drives the rotating rod 14 to rotate inside the fixed cover, the rotating rod 14 drives the gear ring 12 through the gear 13, and the gear ring 12 drives the turntable 10 to rotate between the bosses 8 on both sides, and the second through hole 17 on the turntable 10 rotates synchronously with the turntable 10, aligning the second through hole 17 with the first through holes 9 on both sides, so that the air inlet end 6 and the air outlet end 7 are connected, which is convenient for natural gas to be transported through the air inlet end 6 and the air outlet end 7; the natural gas needs to be adjusted When the flow rate is adjusted, the servo motor 16 is started, and the servo motor 16 drives the gear 13 and the gear ring 12 through the rotating rod 14. The gear ring 12 drives the second through hole 17 by driving the turntable 10, and adjusts the overlapping area between the second through hole 17 and the first through hole 9, so as to facilitate the control of natural gas and is simple to operate; when the gas flow meter 3, the pressure gauge 4, etc. need to be repaired and replaced, the second through hole 17 on the turntable 10 is rotated and adjusted by the servo motor 16, the rotating rod 14, the gear 13, the gear ring 12 and the turntable 10, so that the second through hole 17 is completely misaligned with the first through hole 9, thereby cutting off the transportation of natural gas, and the turntable 10 rotates while driving the truncated table 20 through the connecting rod 18, and the rubber block 19 closes the second through hole 17 on the truncated table 20, so as to seal both sides of the gas flow meter 3 and the pressure gauge 4, so as to prevent the escape of natural gas when the gas flow meter 3 and the pressure gauge 4 are disassembled.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A natural gas flow control device, comprising a main body (1), characterized in that: The two ends of the main body (1) are respectively provided with an air inlet end (6) and an air outlet end (7), and flanges (2) are fixedly installed on the outer ends of the air inlet end (6) and the air outlet end (7). A fixed cover is provided in the middle of the main body (1), and bosses (8) are fixedly installed on one end of the inner side of the air inlet end (6) and the air outlet end (7), and the bosses (8) are arranged inside the fixed cover. A turntable (10) is rotatably installed in the middle of the bosses (8) on both sides through an adjustment mechanism, and the adjustment mechanism is installed inside the bottom end of the fixed cover. Sealing plates (11) are fixedly installed on the outer sides of the bosses (8) on both sides, and the sealing plates (11) are fixedly installed inside the two ends of the fixed cover. The adjustment mechanism is installed inside the bottom end of the fixed cover. The mechanism comprises a servo motor (16), the servo motor (16) being fixedly mounted on one side of the bottom end of a sealing plate (11) on one side, the sealing plate (11) being in the shape of a circular ring, a heat dissipation port (5) being provided inside the inner wall of an inner cover corresponding to one side of the servo motor (16), a rotating rod (14) being rotatably mounted between the bottom ends of the sealing plates (11) on both sides, one end of the rotating rod (14) being fixedly connected to an output shaft of the servo motor (16), the rotating rod (14) being mounted inside the inner cover, a gear (13) being fixedly mounted on one end of the rotating rod (14), the gear (13) being arranged below a turntable (10), and the outer surface of the turntable (10) being provided with a rotation shaft. A gear ring (12) is coaxially fixedly installed on one side of the turntable (10), the number of the gear ring (12) is one, the gear (13) meshes with the gear ring (12) and is arranged in parallel, grooves are provided on both sides of the turntable (10), one end of the bosses (8) on both sides is movably installed inside the grooves, a first through hole (9) is provided on the top of one side of the boss (8), the axes of the first through holes (9) on both sides are on the same straight line, a second through hole (17) is provided inside the turntable (10), a connecting rod (18) is fixedly installed at the center position of one side of the turntable (10), the connecting rod (18) passes through the center position of the boss (8) on one side, and one end of the connecting rod (18) is fixedly installed A truncated platform (20) is provided, a second through hole (17) is provided inside the truncated platform (20), the axes of the second through holes (17) on both sides are in the same straight line, the truncated platform (20) contacts the inner wall of the boss (8), a rubber ring is fixedly installed on the inner wall of the boss (8) at a position corresponding to the boss (8), a rubber block (19) is fixedly installed on the bottom of the inner side of the boss (8) corresponding to one side of the truncated platform (20), a gas flow meter (3) and a pressure gauge (4) are screwed on both sides of the inner side of one end of the fixed cover through fixing nuts, and the bottom ends of the gas flow meter (3) and the pressure gauge (4) are installed between the boss (8) and the truncated platform (20) through a sealing rubber sleeve (21).

2. A natural gas flow control device according to claim 1, characterized in that: A hexagonal nut (15) is fixedly mounted on the other end of the rotating rod (14), and the hexagonal nut (15) is movably mounted inside the outer wall of the fixed cover.

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