High-precision multi-point temperature measurement adjusting butterfly valve with protective layer

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a high-precision multi-point temperature measurement adjusting butterfly valve with a protective layer, which comprises a flange, a sealing ring is arranged in the flange, a waterproof platform is arranged on one side of the flange, and a flange hole, a valve rod cover, a valve rod, a butterfly plate and a thermometer are arranged in the flange. The butterfly valve is reasonable in structure, opening and closing of the butterfly plate are controlled by controlling rotation of the valve rod, the rubber pad is placed in the through hole, the thermodetector is inserted into the through hole, the rubber pad is extruded through the thermodetector, leakage is prevented, the thermodetector is designed at an outlet of the butterfly valve, the thermodetector needs to be replaced, the butterfly plate is closed, replacement is convenient without dismounting the butterfly valve, and the butterfly valve is convenient to use. The lithium battery is used for storing electric quantity, the electric quantity of the lithium battery can not be normally provided under the conditions of power failure or other conditions, the electric quantity of the lithium battery is used for guaranteeing continuous normal work, the transparent plate is arranged in the worm-moving head cover, whether the butterfly valve is opened or closed can be observed by observing the opening and closing conditions of the butterfly valve, and the labor amount of workers is greatly relieved through the structure.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer. Background Art

[0002] A butterfly valve is a simple regulating valve used to control the flow of various fluids, including air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media. It primarily serves as a cutoff and throttling mechanism in pipelines. The butterfly valve's opening and closing element is a disc-shaped disc that rotates around its axis within the valve body, opening, closing, or regulating the flow.

[0003] A large-caliber, low-power, high-precision temperature measurement and regulation butterfly valve disclosed in the Chinese utility model patent application disclosure CN217003125U, although by setting a limit hole and a limit shaft, by inserting the limit shaft into the limit holes at different positions, the position of the upper rotating shaft can be limited, thereby locking the position of the valve plate, achieving a high-precision control effect, avoiding the valve plate from rotating under the impact of water flow, affecting its use effect, and by providing a protective mechanism on the outside of the metal outer sleeve, the damage to the utility model caused by external force impact can be reduced, thereby effectively extending the service life of the utility model and reducing economic costs, but the temperature measurement in the existing equipment can only be targeted at one point, and the temperature cannot be measured very accurately, so a new method is proposed to solve the above problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies of the prior art, the utility model provides a high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer, which solves the problem that the temperature cannot be measured very accurately.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer, comprising a flange, a sealing ring is provided inside the flange, a waterproof platform is provided on one side of the flange, a flange hole is provided inside the flange, a valve stem cover is sleeved inside the flange, the valve stem is sleeved inside the valve stem cover, a disc plate is plugged into the surface of the valve stem, a bracket is threadedly connected to the surface of the flange, a worm head is threadedly connected to the upper surface of the bracket, a baffle is provided on the surface of the flange, a thermometer is plugged into the inside of the flange, a transmitter is plugged into the surface of the flange, a transmission wheel is sleeved inside the worm head, a handwheel is plugged into one end of the transmission wheel, and a display housing is plugged into one side of the bracket.

[0008] Optionally, the surface of the flange is provided with through holes, the interior of the through holes is sleeved with rubber pads, and there are four through holes and rubber pads, and the through holes and rubber pads are adapted to each other to prevent leakage.

[0009] Optionally, a groove is provided inside the baffle, a baffle cover is plugged into the surface of the baffle, and four baffles and baffle covers are evenly distributed. The cooperation between the baffles and baffle covers can protect against collision.

[0010] Optionally, a lithium battery is provided inside the display housing, a controller is plugged into one side of the display housing, and a display screen is plugged into one side of the display housing, and the display screen is lit by the cooperation of the lithium battery and the controller.

[0011] Optionally, a slide rail is provided on the upper surface of the display housing, the upper surface of the display housing is slidably connected to a display cover, and a slide groove is provided on the lower surface of the display cover.

[0012] Optionally, a hollow tube is provided on one side of the disc plate, the valve stem cover is two evenly distributed inside the flange, the surface of the valve stem is plugged with the hollow tube, and the disc plate is driven by the rotation of the valve stem, and the valve stem will not deviate.

[0013] Optionally, the upper surface of the worm head is connected to a worm head cover by bolts, a transparent plate is inserted into the interior of the worm head cover, a pointer is provided at one end of the valve stem, and the transparent plate and the pointer cooperate to observe the degree of opening and closing.

[0014] Optionally, one side of the transmission wheel is a protrusion, the interior of the handwheel is adapted to the transmission wheel, and the rotating handwheel drives the transmission wheel.

[0015] In summary, the technical effects and advantages of the utility model are:

[0016] 1. The utility model has a reasonable structure. The opening and closing of the disc is controlled by controlling the rotation of the valve stem. A rubber pad is placed in the through hole. The thermometer is inserted into the through hole. The rubber pad is squeezed by the thermometer to prevent leakage. The thermometer is designed at the outlet of the butterfly valve. When the thermometer needs to be replaced, the butterfly plate can be closed and replaced. It is convenient to replace without disassembling the butterfly valve. There is a transparent plate inside the snail head cover to observe the opening and closing of the butterfly valve. It can be seen whether the butterfly valve is fully opened and closed. The display is located on one side of the butterfly valve for easy viewing.

[0017] In the utility model, the baffle and the barrier cover are used together to play a protective role. When replacement is needed, the barrier cover can be opened for replacement, which reduces replacement time. The thermometer measures the temperature and transmits it to the controller through the transmitter. The controller displays the temperature through a display screen, and the display screen is located on one side of the butterfly valve for easy viewing. The lithium battery stores electricity. When a power outage or other situation occurs and it cannot provide electricity normally, the lithium battery power is used to ensure that normal operation continues. When maintenance is performed, it is only necessary to slide the display cover down, which reduces maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the thermometer of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the snail head of the utility model;

[0021] Figure 4 This is a schematic diagram of the display screen structure of the present utility model.

[0022] In the figure: 1. Flange; 2. Sealing ring; 3. Waterproof platform; 4. Flange hole; 5. Valve stem cover; 6. Valve stem; 7. Disc plate; 8. Bracket; 9. Snail head; 10. Baffle; 11. Thermometer; 12. Transmitter; 13. Drive wheel; 14. Handwheel; 15. Display housing; 16. Through hole; 17. Rubber pad; 18. Baffle cover; 19. Lithium battery; 20. Controller; 21. Display screen; 22. Slide rail; 23. Display cover; 24. Slide groove; 25. Snail head cover; 26. Transparent plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example: Reference Figures 1-4The shown embodiment shows a high-precision multi-point temperature measuring and regulating butterfly valve with a protective layer, comprising a flange 1, a sealing ring 2 provided inside the flange 1, a waterproof platform 3 provided on one side of the flange 1, a flange hole 4 provided inside the flange 1, a valve stem cover 5 sleeved inside the flange 1, a valve stem 6 sleeved inside the valve stem cover 5, a disc plate 7 connected to the surface of the valve stem 6, a bracket 8 connected to the surface of the flange 1 through a thread, a worm head 9 connected to the upper surface of the bracket 8 through a thread, a baffle 10 provided on the surface of the flange 1, a thermometer 11 inserted into the interior of the flange 1, a transmitter 12 inserted into the surface of the flange 1, a transmission wheel 13 sleeved inside the worm head 9, a handwheel 14 inserted into one end of the transmission wheel 13, and a display housing 15 inserted into one side of the bracket 8.

[0025] As a preferred implementation in this embodiment, Figure 2-Figure 3 As shown, a sealing ring 2 is provided inside the flange 1, a waterproof platform 3 is provided on one side of the flange 1, a flange hole 4 is provided inside the flange 1, a valve stem cover 5 is sleeved inside the flange 1, a valve stem 6 is sleeved inside the valve stem cover 5, a disc plate 7 is plugged into the surface of the valve stem 6, a bracket 8 is connected to the surface of the flange 1 through a thread, a worm head 9 is connected to the upper surface of the bracket 8 through a thread, a thermometer 11 is plugged into the interior of the flange 1, a through hole 16 is provided on the surface of the flange 1, a rubber pad 17 is sleeved inside the through hole 16, and the through hole 16 is connected to the rubber pad 17. There are four rubber pads 17, and the through holes 16 and the rubber pads 17 are adapted to each other to prevent leakage. A hollow tube is provided on one side of the disc plate 7. The valve stem cover 5 is two evenly distributed inside the flange 1. The surface of the valve stem 6 is plugged with a hollow tube, and the disc plate 7 is driven by the rotation of the valve stem 6, and the valve stem 6 will not deviate. The upper surface of the worm head 9 is connected to the worm head cover 25 by bolts. The inside of the worm head cover 25 is plugged with a transparent plate 26. A pointer is provided at one end of the valve stem 6. The transparent plate 26 cooperates with the pointer to see the degree of opening and closing. One side of the transmission wheel 13 The hand wheel 14 is convex, and the interior of the hand wheel 14 is adapted to the transmission wheel 13. The hand wheel 14 is turned to drive the transmission wheel 13. During use, the disc plate 7 is placed inside the flange 1, the valve stem 6 is inserted into the flange 1, the valve stem 6 is fixed to the disc plate 7, and the disc plate 7 is opened and closed by controlling the rotation of the valve stem 6. The bracket 8 is fixed to the flange 1 by bolts, and the worm head 9 is fixed to the upper surface of the bracket 8 by bolts. A rubber pad 17 is placed in the through hole 16, and the thermometer 11 is inserted into the through hole 16. The rubber pad 17 is squeezed to prevent leakage. The thermometer 11 is designed at the outlet of the butterfly valve. When the thermometer 11 needs to be replaced, the butterfly plate can be closed and replaced. It is convenient to replace without disassembling the butterfly valve. There is a transparent plate 26 inside the worm head cover 25. There is a pointer on the surface of the transparent plate 26. There is also a pointer at one end of the valve stem 6. The opening and closing status of the butterfly valve can be observed by the pointer on the transparent plate 26 and the pointer on the valve stem 6. It can be seen whether the butterfly valve is fully opened and closed. The transmission wheel 13 is driven by rotating the handwheel 14 to control the disc plate 7.

[0026] like Figure 2 and Figure 4 As shown, in this embodiment, a baffle 10 is provided on the surface of the flange 1, a thermometer 11 is plugged into the interior of the flange 1, a transmitter 12 is plugged into the surface of the flange 1, a transmission wheel 13 is sleeved on the interior of the worm head 9, a hand wheel 14 is plugged into one end of the transmission wheel 13, a display housing 15 is plugged into one side of the bracket 8, a groove is provided inside the baffle 10, a blocking cover 18 is plugged into the surface of the baffle 10, and four baffles 10 and blocking covers 18 are evenly distributed. The cooperation between the baffle 10 and the blocking cover 18 can protect against collision, a lithium battery 19 is provided inside the display housing 15, a controller 20 is plugged into one side of the display housing 15, a display screen 21 is plugged into one side of the display housing 15, and the display screen 21 is illuminated by the cooperation between the lithium battery 19 and the controller 20, a slide rail 22 is provided on the upper surface of the display housing 15, and the upper surface of the display housing 15 is slidably connected to the display cover 23, and a slide groove 24 is provided on the lower surface of the display cover 23. During use, the baffle 10 and the blocking cover 18 are used in conjunction with each other. It plays a protective role. When it needs to be replaced, just open the cover 18 to replace it, which reduces the replacement time. The temperature is measured by the phenomenon that the electromotive force generated by the thermometer 11 when in contact is proportional to the temperature difference. After the temperature is measured, the transmitter 12 uses the differential transmission principle to convert the signal into a signal with equal amplitude and opposite polarity at the transmitting end. After transmission through the twisted pair, the two video signals with opposite polarity are subtracted at the receiving end to become a normal signal, which is transmitted to the controller 20. The controller 20 receives the input signal, processes and outputs the control signal to realize the control of the equipment. The controller 20 displays the temperature through the display screen 21, and the display screen 21 is located on one side of the butterfly valve for easy viewing. The lithium battery 19 stores electricity. In the event of a power outage or other situation, it cannot provide electricity normally. The power of the lithium battery 19 is used to ensure continued normal operation. The display housing 15 is slidably connected to the display cover 23. When repairing, you only need to slide the display cover 23 down to reduce maintenance time.

[0027] The working principle of this utility model is as follows: place the disc plate 7 inside the flange 1, string the valve stem 6 into the flange 1, fix the valve stem 6 and the disc plate 7, and control the opening and closing of the disc plate 7 by controlling the rotation of the valve stem 6. Fix the bracket 8 to the flange 1 by bolts, fix the worm head 9 to the upper surface of the bracket 8 by bolts, place the rubber pad 17 in the through hole 16, insert the thermometer 11 into the through hole 16, and squeeze the rubber pad 17 through the thermometer 11 to prevent leakage. The thermometer 11 is designed at the outlet of the butterfly valve. When the thermometer 11 needs to be replaced, the butterfly plate can be closed and replaced, which is convenient for replacement without disassembling the butterfly valve. There is a transparent plate 26 inside the worm head cover 25, and there is a pointer on the surface of the transparent plate 26. There is also a pointer at one end of the valve stem 6. The opening and closing of the butterfly valve can be observed by observing the pointer on the transparent plate 26 and the pointer on the valve stem 6. It can be seen whether the butterfly valve is fully opened and closed. The transmission wheel 13 is driven by turning the handwheel 14 to control the disc plate 7, and the baffle 10 is used in conjunction with the baffle cover 18. , plays a protective role. When replacement is needed, the cover 18 can be opened to replace it, reducing replacement time. The temperature is measured by the phenomenon that the electromotive force generated by the thermometer 11 when in contact is proportional to the temperature difference. After measuring the temperature, the transmitter 12 uses the differential transmission principle to convert the signal into a signal with equal amplitude and opposite polarity at the transmitting end. After transmission through the twisted pair, the two video signals with opposite polarity are subtracted at the receiving end to become a normal signal and transmitted to the controller 20. The controller 20 receives the input signal, processes and outputs the control signal to realize the control of the equipment. The controller 20 displays the temperature through the display screen 21, and the display screen 21 is located on one side of the butterfly valve for easy viewing. The lithium battery 19 stores electricity. In the event of a power outage or other situation, it cannot provide electricity normally. The power of the lithium battery 19 is used to ensure continued normal operation. The display housing 15 is slidably connected to the display cover 23. When repairing, you only need to slide the display cover 23 down, reducing maintenance time.

[0028] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer, comprising a flange (1), characterized in that: The flange (1) is provided with a sealing ring (2) on the inside, a waterproof platform (3) on one side of the flange (1), a flange hole (4) on the inside of the flange (1), a valve stem cover (5) on the inside of the valve stem cover (5), a valve stem (6) on the inside of the valve stem (6), a disc plate (7) on the surface of the valve stem (6), a bracket (8) on the surface of the flange (1) connected by threads, a worm head (9) on the upper surface of the bracket (8) connected by threads, a baffle (10) on the surface of the flange (1), a thermometer (11) on the inside of the flange (1), a transmitter (12) on the surface of the flange (1), a transmission wheel (13) on the inside of the worm head (9), a hand wheel (14) on one end of the transmission wheel (13), and a display housing (15) on one side of the bracket (8).

2. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized by: The surface of the flange (1) is provided with a through hole (16), the interior of the through hole (16) is sleeved with a rubber pad (17), and there are four through holes (16) and four rubber pads (17). The through holes (16) and the rubber pads (17) are adapted to each other to prevent leakage.

3. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized in that: A groove is provided inside the baffle (10), a baffle cover (18) is plugged into the surface of the baffle (10), and four baffles (10) and four baffle covers (18) are evenly distributed. The cooperation between the baffle (10) and the baffle cover (18) can protect against collision.

4. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized in that: A lithium battery (19) is provided inside the display housing (15), a controller (20) is plugged into one side of the display housing (15), and a display screen (21) is plugged into one side of the display housing (15), and the display screen (21) is illuminated by the cooperation between the lithium battery (19) and the controller (20).

5. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized in that: The upper surface of the display housing (15) is provided with a slide rail (22), the upper surface of the display housing (15) is slidably connected to a display cover (23), and the lower surface of the display cover (23) is provided with a slide groove (24).

6. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized in that: A hollow tube is provided on one side of the disc plate (7), and the valve stem cover (5) is formed of two evenly distributed parts inside the flange (1). The surface of the valve stem (6) is connected to the hollow tube, and the disc plate (7) is driven by the rotation of the valve stem (6), and the valve stem (6) is prevented from deflecting.

7. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1 is characterized by: The upper surface of the worm head (9) is connected to a worm head cover (25) by bolts, and a transparent plate (26) is inserted into the interior of the worm head cover (25). A pointer is provided at one end of the valve stem (6), and the transparent plate (26) cooperates with the pointer to indicate the degree of opening and closing.

8. The high-precision multi-point temperature measurement and regulation butterfly valve with a protective layer according to claim 1, characterized in that: One side of the transmission wheel (13) is a protrusion, the interior of the hand wheel (14) is adapted to the transmission wheel (13), and the rotating hand wheel (14) drives the transmission wheel (13).

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