Fluid conveying control valve

Abstract

According to the technical scheme, the fluid conveying control valve comprises a valve body and a valve plate, a top seat is installed at the top of the valve body, a box is installed at the top of the top seat, a movable column is connected into the top seat in a sleeved mode, the valve plate is installed at the bottom of the movable column, and a measuring column is movably installed on one side of the top of the valve body. A supporting seat is installed on one side, close to the top, in the valve body, a sliding column is sleeved with the supporting seat, a side plate is installed on the top of the sliding column, one end of the side plate is connected to a measuring column, a spring B is installed on the portion, located at the bottom of the side plate, of the outer surface of the sliding column, and a measuring buckle is installed on the side, close to the measuring column, of the top of the valve body. The fluid conveying control valve solves the problems that when an existing control valve conducts fluid conveying control, the corresponding opening degree of the control valve cannot be visually observed, and the fluid conveying flow cannot be accurately controlled, the fluid control precision of the control valve is improved, and therefore the using effect of the control valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of control valves, in particular to a fluid delivery control valve. Background Art

[0002] Control valves play a very important role in the automation control of modern factories. The production of these factories depends on the correct distribution and control of flowing liquids and gases. Whether it is the exchange of energy, the reduction of pressure or the simple addition of materials to containers, these controls need to be completed by some final control elements. They are control components in fluid transportation systems, with functions such as diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief, and can be used to control various types of fluid activities such as air, water, steam, various corrosive chemical media, mud, liquid metal, etc.

[0003] When the existing control valve is used for fluid delivery control, the corresponding opening and closing degree of the control valve cannot be observed intuitively, and the fluid delivery flow rate cannot be accurately controlled. Therefore, we propose a fluid delivery control valve. Utility Model Content

[0004] The purpose of the utility model is to provide a fluid delivery control valve, which can facilitate observation of the opening and closing degree of the control valve, so as to solve the problem that when the existing control valve is performing fluid delivery control, the corresponding opening and closing degree of the control valve cannot be intuitively observed, and the fluid delivery flow rate cannot be accurately controlled.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluid delivery control valve, comprising a valve body and a valve plate, wherein a top seat is installed on the top of the valve body, a box body is installed on the top of the top seat, a movable column is sleeved inside the top seat, a valve plate is installed at the bottom of the movable column, a measuring column is movably installed on one side of the top of the valve body, a support seat is installed on one side of the inside of the valve body near the top, a sliding column is sleeved inside the support seat, a side plate is installed on the top of the sliding column, one end of the side plate is connected to the measuring column, a spring B is installed on the outer surface of the sliding column at the bottom of the side plate, a measuring buckle is installed on the top of the valve body near the measuring column, and connecting seats are installed on both sides of the valve body.

[0006] Preferably, a positioning plate is installed on the side of the measuring column facing away from the side plate and close to the bottom, and an extrusion plate is installed on the side of the moving column close to the positioning plate.

[0007] Preferably, a screw rod is installed in the middle of the box body through a bearing, the screw rod is sleeved on the top of the moving column, and a worm gear is installed on the outer surface of the screw rod near the top.

[0008] Preferably, a rotating shaft is installed in the middle of one side of the box body, a rotating disk is installed at the end of the rotating shaft, a worm is installed on one end of the rotating shaft and located on the outer surface of the worm wheel, and the worm is meshed with the worm wheel.

[0009] Preferably, ceramic sealing rings are installed in the middle of both sides of the valve body through sealing grooves, and sealing gaskets are installed at the gap between the sealing grooves and the ceramic sealing rings.

[0010] Preferably, a sealing ring is installed on the inner surface of the sealing groove through the sealing groove, and an extrusion ring is installed in the middle of the sealing ring.

[0011] Preferably, a spring rod is installed on one side of the valve body close to the sealing groove through a spring groove, and a spring A is installed on one side of the spring groove close to the spring rod.

[0012] Preferably, a valve seat is installed at the bottom of the valve body by screws, a positioning rod is installed in the middle of the bottom of the valve plate, the positioning rod is inserted into the valve seat, alloy plating is provided on both sides of the valve plate, and a through hole is provided in the top of the valve plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model achieves the effect of conveniently observing the opening and closing degree of the control valve by arranging a movable column, an extrusion plate, a measuring column, a sliding column and a spring B. A measuring column is movably arranged on one side of the top of the valve body, a support seat is arranged on one side of the inner side of the valve body near the top, a sliding column is sleeved inside the support seat, a side plate is arranged on the top of the sliding column, one end of the side plate is connected to the measuring column, and a measuring buckle is arranged on one side of the top of the valve body near the measuring column, so as to solve the problem that the corresponding opening and closing degree of the control valve cannot be intuitively observed and the fluid delivery flow cannot be accurately controlled when the existing control valve is performing fluid delivery control, thereby improving the fluid control accuracy of the control valve and thus improving the use effect of the control valve.

[0015] 2. The utility model achieves the effect of squeezing and sealing the ceramic sealing ring by arranging the spring A, the spring column and the sealing gasket. Ceramic sealing rings are arranged through sealing grooves in the middle of both sides of the valve body, and sealing gaskets are arranged at the gap between the sealing groove and the ceramic sealing ring to solve the problem that the sealing performance of the existing ceramic sealing ring is poor, and the sealing component is easy to loosen during long-term use, thereby affecting the performance of the control valve. The loosening probability of the sealing component is reduced, thereby improving the performance of the control valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 for Figure 2 The enlarged structural diagram of A;

[0019] Figure 4 for Figure 2 The enlarged structural diagram of B;

[0020] Figure 5 for Figure 2 Schematic diagram of the enlarged structure of C.

[0021] : Illustrations: 1. valve body; 2. valve seat; 3. connecting seat; 4. top seat; 5. turntable; 6. box body; 7. positioning rod; 8. screw rod; 9. moving column; 10. through hole; 11. valve plate; 12. extrusion ring; 13. sealing ring; 14. spring A; 15. spring groove; 16. spring rod; 17. ceramic sealing ring; 18. sealing gasket; 19. sealing groove; 20. measuring buckle; 21. measuring column; 22. side plate; 23. sliding column; 24. spring B; 25. support seat; 26. positioning plate; 27. alloy coating; 28. extrusion plate; 29. ​​worm; 30. worm wheel; 31. rotating shaft. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Embodiment 1

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluid delivery control valve, including a valve body 1 and a valve plate 11, a top seat 4 is installed on the top of the valve body 1, a box body 6 is installed on the top of the top seat 4, a moving column 9 is sleeved inside the top seat 4, the moving column 9 adopts a square setting, a valve plate 11 is installed at the bottom of the moving column 9, a measuring column 21 is movably installed on one side of the top of the valve body 1, a support seat 25 is installed on one side of the inside of the valve body 1 near the top, a sliding column 23 is sleeved inside the support seat 25, a side plate 22 is installed on the top of the sliding column 23, one end of the side plate 22 is connected to the measuring column 21, the outer surface of the sliding column 23 is located at the bottom of the side plate 22 and a spring B24 is installed. A measuring buckle 20 is installed on the top of the valve body 1 near the measuring column 21. The opening and closing degree of the valve plate 11 is measured by the measuring buckle 20 and the measuring column 21. Connecting seats 3 are installed on both sides of the valve body 1. A positioning plate 26 is installed near the bottom on the side of the measuring column 21 away from the side plate 22. An extrusion plate 28 is installed on the side of the moving column 9 near the positioning plate 26. The screw rod 8 is driven to rotate by the rotating shaft 31, thereby driving the valve plate 11 to move. A valve seat 2 is installed on the bottom of the valve body 1 by screws. A positioning rod 7 is installed in the middle of the bottom of the valve plate 11. The positioning rod 7 is inserted into the inside of the valve seat 2. Alloy plating layers 27 are provided on both sides of the valve plate 11, and a through hole 10 is provided on the top of the valve plate 11.

[0025] like Figure 2 and Figure 5 As shown, a screw rod 8 is installed in the middle of the box body 6 through a bearing, and the screw rod 8 is sleeved on the top of the movable column 9. A worm gear 30 is installed on the outer surface of the screw rod 8 near the top. A rotating shaft 31 is installed in the middle of one side of the box body 6, and a turntable 5 is installed at the end of the rotating shaft 31. A worm 29 is installed on the outer surface of the worm gear 30 at one end of the rotating shaft 31, and the worm 29 is meshed with the worm gear 30.

[0026] The working principle of a fluid delivery control valve based on Example 1 is: after the utility model is installed, when the opening and closing degree of the utility model needs to be adjusted, the rotating shaft 31 is rotated by the turntable 5, and the worm 29 is driven to rotate by the rotating shaft 31, and the screw 8 is driven to rotate by the worm 29 and the worm wheel 30, and the movable column 9 is driven to move downward by the screw 8, thereby driving the valve plate 11 to move downward, and at the same time, the extrusion plate 28 is driven downward by the movable column 9, and the positioning plate 26 is squeezed by the extrusion plate 28, thereby driving the measuring column 21 to move downward, and observing the scale on the front surface of the measuring column 21, so as to accurately adjust the opening and closing degree of the utility model. At this point, the working process of the equipment is completed.

[0027] Embodiment 2

[0028] like Figure 2 and Figure 3 As shown, a fluid delivery control valve proposed by the utility model, compared with the first embodiment, this embodiment also includes: ceramic sealing rings 17 are installed in the middle of both sides of the valve body 1 through sealing grooves 19, and sealing gaskets 18 are installed at the gap between the sealing grooves 19 and the ceramic sealing rings 17. A sealing ring 13 is installed on the inner surface of the sealing groove 19 through the sealing groove 19, and an extrusion ring 12 is installed in the middle of the sealing ring 13. The sealing ring 13 is supported by the extrusion ring 12 to ensure the sealing performance of the sealing ring 13. A spring rod 16 is installed on the side of the valve body 1 close to the sealing groove 19 through the spring groove 15, and a spring A14 is installed on the side of the spring groove 15 close to the spring rod 16. The spring rod 16 is squeezed by the spring A14, thereby squeezing the ceramic sealing ring 17 to ensure the sealing effect of the sealing gasket 18.

[0029] In this embodiment, when the utility model is used, the spring rod 16 is squeezed by the elastic force of the spring A14, and the ceramic sealing ring 17 is squeezed by the spring rod 16, so that the ceramic sealing ring 17 is pressed tightly against one side of the sealing gasket 18, thereby ensuring the sealing performance of the sealing gasket 18.

[0030] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A fluid delivery control valve, comprising a valve body (1) and a valve plate (11), characterized in that: A top seat (4) is mounted on the top of the valve body (1), a box body (6) is mounted on the top of the top seat (4), a movable column (9) is sleeved inside the top seat (4), a valve plate (11) is mounted at the bottom of the movable column (9), a measuring column (21) is movably mounted on one side of the top of the valve body (1), a support seat (25) is mounted on one side of the inside of the valve body (1) close to the top, a sliding column (23) is sleeved inside the support seat (25), a side plate (22) is mounted on the top of the sliding column (23), one end of the side plate (22) is connected to the measuring column (21), a spring B (24) is mounted on the outer surface of the sliding column (23) at the bottom of the side plate (22), a measuring buckle (20) is mounted on one side of the top of the valve body (1) close to the measuring column (21), and connecting seats (3) are mounted on both sides of the valve body (1).

2. A fluid delivery control valve according to claim 1, characterized in that: A positioning plate (26) is installed near the bottom of the measuring column (21) on the side facing away from the side plate (22), and an extrusion plate (28) is installed on the side of the moving column (9) close to the positioning plate (26).

3. A fluid delivery control valve according to claim 1, characterized in that: A screw rod (8) is installed in the middle of the box body (6) via a bearing. The screw rod (8) is sleeved on the top of the moving column (9). A worm gear (30) is installed on the outer surface of the screw rod (8) near the top.

4. A fluid delivery control valve according to claim 3, characterized in that: A rotating shaft (31) is installed in the middle of one side of the box body (6), a rotating disk (5) is installed at the end of the rotating shaft (31), and a worm (29) is installed at one end of the rotating shaft (31) on the outer surface of the worm wheel (30), and the worm (29) is meshed with the worm wheel (30).

5. A fluid delivery control valve according to claim 1, characterized in that: Ceramic sealing rings (17) are installed in the middle of both sides of the valve body (1) through sealing grooves (19), and sealing gaskets (18) are installed at the gap between the sealing grooves (19) and the ceramic sealing rings (17).

6. A fluid delivery control valve according to claim 5, characterized in that: A sealing ring (13) is installed on the inner surface of the sealing groove (19) through the sealing groove (19), and an extrusion ring (12) is installed in the middle of the sealing ring (13).

7. A fluid delivery control valve according to claim 5, characterized in that: A spring rod (16) is installed on a side of the valve body (1) close to the sealing groove (19) through a spring groove (15), and a spring A (14) is installed on a side of the spring groove (15) close to the spring rod (16).

8. A fluid delivery control valve according to claim 6, characterized in that: A valve seat (2) is mounted on the bottom of the valve body (1) by means of screws, a positioning rod (7) is mounted in the middle of the bottom of the valve plate (11), the positioning rod (7) is plugged into the inside of the valve seat (2), alloy coatings (27) are provided on both sides of the valve plate (11), and a through hole (10) is provided on the top of the valve plate (11).

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