Intelligent exhausting and closing control valve for monitoring gas flow

Abstract

The utility model discloses an intelligent gas exhausting and closing control valve for monitoring gas flow, and relates to the technical field of valves, the intelligent gas exhausting and closing control valve comprises a pipeline, a flow meter, a valve cylinder, a mounting box, an exhaust pipe and a flow guide pipe, a valve rod is rotatably connected in the valve cylinder, a valve plate is sleeved on the outer wall of the valve rod in a threaded manner, and the lower end of the valve plate is fixedly connected with the valve plate; an electric push rod is fixedly sleeved with the mounting box, a mounting plate is fixedly connected to the output end of the electric push rod, two connecting plates are fixedly connected to one side of the mounting plate, and a rotating shaft is rotationally connected between the opposite side walls of the other ends of the two connecting plates; and a mounting frame is fixedly arranged on the inner wall of the pipeline, by arranging a mounting plate, a connecting plate, the cleaning cylinder, a straight gear and a toothed plate structure, the self-cleaning effect of the filter screen is achieved, and the problem that a filter screen in a traditional valve needs to be detached for manual cleaning, and the operation is very troublesome is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to an intelligent exhaust and airtight control valve for monitoring gas flow. Background Technique

[0002] The exhaust and airtight control valve is also called a globe valve and is used to realize the on-off of a pipeline. The electric control valve controls the closing and opening of the valve through an electric actuator.

[0003] At present, in order to prevent pollutants from entering the gas path and affecting the normal use and service life of the valve, a filter screen is usually installed on the valve pipeline. However, during use, impurities are likely to accumulate on the filter screen. In the prior art, the cleaning of the filter screen requires its disassembly, which is very time-consuming and likely to cause valve leakage during the disassembly process. Based on this, we propose an improvement on an intelligent exhaust and airtight control valve for monitoring gas flow. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an intelligent exhaust and airtight control valve for monitoring gas flow, which can effectively solve the technical problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An intelligent exhaust and airtight control valve for monitoring gas flow includes a pipeline, a flowmeter, a valve barrel, an installation box, an exhaust pipe and a diversion pipe. A valve rod is rotatably connected inside the valve barrel, a valve plate is threadedly sleeved on the outer wall of the valve rod, a valve plate is fixedly connected to the lower end of the valve plate, an electric push rod is fixedly sleeved inside the installation box, an installation plate is fixedly connected to the output end of the electric push rod, two connecting plates are fixedly connected to one side of the installation plate, a rotating shaft is rotatably connected between the opposite side walls at the other ends of the two connecting plates, a cleaning cylinder is fixedly sleeved on the outer wall of the rotating shaft, an installation frame is fixedly arranged on the inner wall of the pipeline, and a filter screen is fixedly arranged inside the installation frame.

[0007] As a further scheme of the utility model, both the exhaust pipe and the diversion pipe are communicated with the pipeline, the air inlet and outlet of the diversion pipe are respectively arranged at two positions on both sides of the installation frame, and the air inlet of the diversion pipe is arranged between the flowmeter and the installation plate.

[0008] As a further scheme of the utility model, solenoid valves are rotatably connected to the outer walls of both the exhaust pipe and the diversion pipe, and the air inlet of the exhaust pipe is arranged at a position on the air inlet side of the filter screen.

[0009] As a further solution of the present utility model, a small motor is fixedly arranged on the outer wall of the valve barrel. The output end of the small motor penetrates through the valve barrel and is fixedly sleeved with a first bevel gear. The small motor is meshed and connected with a lead screw through the first bevel gear. A second bevel gear is fixedly sleeved on the outer wall of the lead screw, and the first bevel gear and the second bevel gear are meshed with each other.

[0010] As a further solution of the present utility model, straight gears are fixedly sleeved on the outer walls of the front and rear ends of the rotating shaft. Tooth plates are fixedly connected to the outer walls of the mounting brackets near the front and rear positions. The two straight gears are respectively meshed with the two tooth plates.

[0011] As a further solution of the present utility model, the valve rod is slidably sleeved in the valve barrel, and the valve plate is arranged at a position on the air outlet of the diversion pipe away from the filter screen.

[0012] As a further solution of the present utility model, the cleaning cylinder is arranged in contact with the surface of the filter screen, and the flow meter is fixedly arranged on the outer wall of the pipe on the side away from the valve barrel.

[0013] The beneficial effects of the present utility model are as follows:

[0014] By setting the mounting plate, connecting plate, cleaning cylinder, straight gear and tooth plate structures, and using the controller to control the electric push rod to drive the mounting plate to move, the cleaning cylinder can be driven to clean the surface of the filter screen by the meshing relationship between the straight gear and the tooth plate, thus avoiding the problem that the filter screen needs to be frequently disassembled and manually cleaned after accumulating impurities;

[0015] By setting the exhaust pipe and the diversion pipe, when the electric push rod drives the mounting plate to descend, the air flow is diverted from the diversion pipe to the air outlet side of the filter screen for reverse blowing, so that the impurities cleaned by the cleaning cylinder are blown out of the device through the exhaust pipe, which has practicability. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the external structure of an intelligent exhaust and airtight control valve for monitoring gas flow according to the present utility model;

[0017] Figure 2 It is a schematic diagram of an intelligent exhaust and airtight control valve for monitoring gas flow according to the present utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure of the cleaning cylinder of an intelligent exhaust and airtight control valve for monitoring gas flow according to the present utility model;

[0019] Figure 4 It is a schematic diagram of the front side structure of an intelligent exhaust and airtight control valve for monitoring gas flow according to the present utility model.

[0020] In the figure: 1, pipeline; 2, flowmeter; 3, valve barrel; 4, lead screw; 5, small motor; 6, bevel gear one; 7, bevel gear two; 8, valve stem; 9, valve plate; 10, mounting bracket; 11, filter screen; 12, toothed plate; 13, mounting box; 14, electric push rod; 15, mounting plate; 16, connecting plate; 17, cleaning cylinder; 18, spur gear; 19, exhaust duct; 20, diversion pipe; 21, solenoid valve. Specific implementation mode

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation modes.

[0022] As Figures 1-4 shown, an intelligent exhaust and airtight control valve for monitoring gas flow includes a pipeline 1, a flowmeter 2, a valve barrel 3, a mounting box 13, an exhaust duct 19 and a diversion pipe 20. A valve stem 8 is rotatably connected inside the valve barrel 3. A valve plate 9 is threadedly sleeved on the outer wall of the valve stem 8. The lower end of the valve plate 9 is fixedly connected with the valve plate 9. An electric push rod 14 is fixedly sleeved inside the mounting box 13. The output end of the electric push rod 14 is fixedly connected with a mounting plate 15. One side of the mounting plate 15 is fixedly connected with two connecting plates 16. A rotating shaft is rotatably connected between the opposite side walls of the other ends of the two connecting plates 16. A cleaning cylinder 17 is fixedly sleeved on the outer wall of the rotating shaft. A mounting bracket 10 is fixedly arranged on the inner wall of the pipeline 1. A filter screen 11 is fixedly arranged inside the mounting bracket 10.

[0023] In this embodiment, both the exhaust duct 19 and the diversion pipe 20 are communicated with the pipeline 1. The air inlet and outlet of the diversion pipe 20 are respectively arranged at both sides of the mounting bracket 10. The air inlet of the diversion pipe 20 is arranged between the flowmeter 2 and the mounting plate 15.

[0024] In this embodiment, solenoid valves 21 are rotatably connected to the outer walls of both the exhaust duct 19 and the diversion pipe 20. The air inlet of the exhaust duct 19 is arranged at the position on the air inlet side of the filter screen 11. The solenoid valves 21 control the opening and closing of the exhaust duct 19 and the diversion pipe 20.

[0025] In this embodiment, a small motor 5 is fixedly arranged on the outer wall of the valve barrel 3. The output end of the small motor 5 penetrates through the valve barrel 3 and is fixedly sleeved with a bevel gear one 6. And the small motor 5 is meshed with a lead screw 4 through the bevel gear one 6. A bevel gear two 7 is fixedly sleeved on the outer wall of the lead screw 4. The bevel gear one 6 and the bevel gear two 7 are meshed with each other. By driving the bevel gear one 6 to rotate through the small motor 5, the bevel gear two 7 can be driven to rotate, thereby driving the lead screw 4 to rotate and controlling the lifting of the valve stem 8.

[0026] In this embodiment, spur gears 18 are fixedly sleeved on the outer walls of the front and rear ends of the rotating shaft. Tooth plates 12 are fixedly connected to the outer walls of the mounting brackets 10 near the front and rear positions. The two spur gears 18 are respectively meshed with the two tooth plates 12. When the rotating shaft drives the spur gears 18 to move up and down, due to the meshing relationship between the spur gears 18 and the tooth plates 12, the spur gears 18 will drive the rotating shaft to rotate in the reverse direction, thereby controlling the rotation of the cleaning cylinder 17.

[0027] In this embodiment, the valve stem 8 is slidably sleeved in the valve cylinder 3. The valve stem 8 can slide up and down relative to the valve cylinder 3. The valve plate 9 is arranged at a position on the air outlet side of the diversion pipe 20 away from the filter screen 11. After the diversion pipe 20 is opened and the valve plate 9 is closed, the air flow will not be discharged from the outlet of the pipe 1.

[0028] In this embodiment, the cleaning cylinder 17 is arranged in contact with the surface of the filter screen 11, which is convenient for cleaning the surface of the filter screen 11. The flowmeter 2 is fixedly arranged on the outer wall of the pipe 1 on the side away from the valve cylinder 3, and the flow rate of the gas passing through the filter screen 11 is measured by the flowmeter 2.

[0029] It should be noted that the present utility model is an intelligent exhaust and airtight control valve for monitoring gas flow. When in use, the gas flow reading is observed through the flowmeter 2. When the impurities accumulated during the use of the filter screen 11 gradually increase and the filter screen 11 needs to be cleaned, the solenoid valve 21 is opened through the controller, and at the same time, the small motor 5 is started to drive the first bevel gear 6 to rotate, thereby driving the second bevel gear 7 to rotate, then driving the lead screw 4 to rotate, and then driving the valve stem 8 to descend, thereby driving the valve plate 9 to descend to close the pipeline. Then the controller controls the electric push rod 14 to act, driving the mounting plate 15 to descend, and then driving the cleaning cylinder 17 to descend through the connecting plate 16. Also, due to the meshing relationship between the spur gear 18 and the tooth plate 12, the spur gear 18 will drive the cleaning cylinder 17 to rotate through the rotating shaft during the ascending and descending process, thereby cleaning the impurities on the surface of the filter screen 11. During the gradual descent of the mounting plate 15, the air flow entering the air outlet side of the filter screen 11 through the diversion pipe 20 gradually increases, thereby back-blowing the filter screen 11 to blow out the cleaned impurities through the exhaust pipe 19 from the pipe 1, completing the cleaning of the filter screen 11, which is convenient and labor-saving.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An intelligent exhaust and air-locking control valve for monitoring gas flow, comprising a pipeline (1), a flow meter (2), a valve cylinder (3), a mounting box (13), an exhaust pipe (19) and a flow guide pipe (20), characterized in that: A valve stem (8) is rotatably connected inside the valve cylinder (3), a valve plate (9) is threadedly sleeved on the outer wall of the valve stem (8), the lower end of the valve plate (9) is fixedly connected to the valve plate (9), an electric push rod (14) is fixedly sleeved inside the mounting box (13), the output end of the electric push rod (14) is fixedly connected to a mounting plate (15), one side of the mounting plate (15) is fixedly connected to two connecting plates (16), the other ends of the two connecting plates (16) are rotatably connected between the side walls opposite to each other, a cleaning cylinder (17) is fixedly sleeved on the outer wall of the rotating shaft; a mounting frame (10) is fixedly provided on the inner wall of the pipeline (1), and a filter screen (11) is fixedly provided inside the mounting frame (10).

2. The intelligent exhaust and air-locking control valve for monitoring gas flow according to claim 1, characterized in that: The exhaust pipe (19) and the guide pipe (20) are both connected to the pipeline (1); the air inlet and outlet of the guide pipe (20) are respectively arranged at positions on both sides of the mounting frame (10); and the air inlet of the guide pipe (20) is arranged between the flow meter (2) and the mounting plate (15).

3. The intelligent exhaust and air-locking control valve for monitoring gas flow according to claim 1, characterized in that: The outer walls of the exhaust pipe (19) and the guide pipe (20) are both rotatably connected with a solenoid valve (21), and the air inlet of the exhaust pipe (19) is arranged at a position on the air inlet side of the filter screen (11).

4. The intelligent exhaust and air-closing control valve for monitoring gas flow according to claim 1, characterized in that: A small motor (5) is fixedly arranged on the outer wall of the valve cylinder (3); the output end of the small motor (5) passes through the valve cylinder (3) and is fixedly sleeved with a bevel gear 1 (6); the small motor (5) is meshedly connected to a screw rod (4) via the bevel gear 1 (6); a bevel gear 2 (7) is fixedly sleeved on the outer wall of the screw rod (4); the bevel gear 1 (6) and the bevel gear 2 (7) are meshed with each other.

5. The intelligent exhaust and air-locking control valve for monitoring gas flow according to claim 1, characterized in that: The outer wall of the rotating shaft near the front and rear ends is fixedly sleeved with a spur gear (18), and the outer wall of the mounting frame (10) near the front and rear positions is fixedly connected with a toothed plate (12), and the two spur gears (18) are respectively meshed with the two toothed plates (12).

6. The intelligent exhaust and air-closing control valve for monitoring gas flow according to claim 1, characterized in that: The valve stem (8) is slidably sleeved in the valve cylinder (3), and the valve plate (9) is arranged at a position on the side of the air outlet of the flow guide pipe (20) away from the filter screen (11).

7. The intelligent exhaust and air-closing control valve for monitoring gas flow according to claim 1, characterized in that: The cleaning cylinder (17) is arranged in contact with the surface of the filter screen (11), and the flow meter (2) is fixedly arranged on the outer wall of the pipeline (1) on the side away from the valve cylinder (3).

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