Corrosion-resistant anti-scouring ball valve

Abstract

The invention relates to the technical field of ball valves, and discloses a corrosion-resistant anti-scouring ball valve which comprises a valve body, an anti-scouring mechanism is arranged on the left side in the valve body, and a flowing mechanism is arranged at the top of the valve body. According to the corrosion-resistant and anti-scouring ball valve, through the arranged anti-scouring mechanism, under the elastic potential energy of a spring, impact force of water flow can be effectively buffered, so that damage to the interior of the valve body caused by excessive impact force of the water flow can be avoided, the anti-scouring effect is achieved, the service life of the ball valve is prolonged, and the service life of the ball valve is prolonged. The inner wall of the valve body is coated with epoxy paint, the purpose of corrosion resistance can be achieved, and through the arranged flowing mechanism, when the ball rotates to enable an inlet and an outlet of a pipeline to be spherical surfaces, the ball valve is in a closed state, and fluid is cut off; and when the ball channel is aligned with the inner diameter of the pipeline, the ball valve is in an open state, the fluid circulates, and the operation is convenient and fast.

Description

Technical Field

[0001] The invention relates to the technical field of ball valves, in particular to a corrosion-resistant and erosion-resistant ball valve. Background Art

[0002] Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. The hard-sealed V-type ball valve has a strong shear force between its V-type ball core and the metal valve seat with hard alloy surfacing, which is particularly suitable for media containing fibers, tiny solid particles, etc. The multi-way ball valve can not only flexibly control the confluence, diversion, and flow direction switching of the medium on the pipeline, but also close any channel to connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. Ball valves are divided into: pneumatic ball valves, electric ball valves, and manual ball valves according to the driving method.

[0003] The patent website announcement number CN 212928832 U discloses a ball valve, including a valve body, a ball valve is arranged in the valve body, a temperature measuring port is horizontally extended outward in the middle part of the valve body where the valve ball is installed, and the temperature measuring port is provided with a circular cavity, and the circular cavity cooperates with the temperature measuring head of the temperature meter. The ball valve provided by the present invention places the temperature meter in the center of the ball valve, accurately measures temperature, has improved light weight, low cost, overall coordination and beauty, and is market competitive.

[0004] The applicant believes that the ball valve has the following disadvantages: there is no buffering structure inside the ball valve, which means that it does not have the function of buffering the water flow during use. The valve body of the ball valve may be damaged easily due to excessive impact force of the water flow, thereby reducing the service life of the ball valve and causing defects. Summary of the invention

[0005] The object of the present invention is to provide a corrosion-resistant and erosion-resistant ball valve to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a corrosion-resistant and erosion-resistant ball valve, comprising a valve body, an erosion-resistant mechanism is arranged on the left side of the valve body, and a flow mechanism is arranged on the top of the valve body.

[0007] The anti-scour mechanism includes a third fixing ring, which is fixedly connected to the left side of the valve body, a sliding groove is provided in the third fixing ring, a mounting rod is slidably connected in the sliding groove, a sliding groove is provided on the surface of the mounting rod, a limiting plate is slidably connected in the sliding groove, a fixing frame is fixedly connected to the surface of the limiting plate, the fixing frame is fixedly connected to the right side surface of the third fixing ring, a spring is sleeved on the surface of the mounting rod, a first limiting piece is fixedly connected to the left side of the mounting rod, and the spring is arranged between the first limiting piece and the third fixing ring.

[0008] Preferably, the number of the mounting rods is five, the five mounting rods are evenly spaced, and the five mounting rods are all arranged on the left side of the valve body. The surfaces of the five mounting rods are all sleeved with springs, and under the elastic potential energy of the springs themselves, the impact force of the water flow can be effectively buffered, thereby preventing the impact force of the water flow from causing damage to the inside of the valve body, and playing an anti-scouring role.

[0009] Preferably, a connecting plate is fixedly connected to the left side of the first limiting member, a first fixing ring is fixedly connected to the side of the connecting plate away from the first limiting member, a second positioning plate is fixedly connected to the surface of the first fixing ring, a flushing member is fixedly connected to the surface of the second positioning plate, and the first fixing ring can be supported and fixed by the setting of the connecting plate.

[0010] Preferably, the flushing member is arranged in the first fixing ring, and the second positioning plates are distributed around the flushing member at equal intervals. The flushing member can be fixed by the second positioning plates.

[0011] Preferably, the second positioning plate is fixedly connected to the first positioning plate on the right side, the first positioning plate is fixedly connected to the fixed block on the left side, the surface of the fixed block is fixedly connected to the second fixing ring, the flushing part is arranged in the second fixing ring, and the connecting plate is fixedly connected to the right side of the second fixing ring. The mounting rod can be reinforced by the first fixing ring.

[0012] Preferably, a support rod is slidably connected inside the first positioning plate, and the support rod is fixedly connected to the left side of the surface of the third fixing ring. Five support rods are arranged, and the five support rods are evenly spaced. A second limiting piece is fixedly connected to the top of the support rod. The mounting rod slides inside the third fixing ring, and the limiting plate slides inside the limiting groove opened on the surface of the mounting rod. At the same time, the first positioning plate slides on the surface of the support rod, which can ensure the stability of the mounting rod during sliding.

[0013] Preferably, the flow mechanism includes a valve seat, which is fixedly connected to the bottom of the valve body, a valve core is arranged on the top of the valve seat, a valve stem is fixedly connected to the top of the valve core, the valve stem is threadedly connected to the top of the valve body, a gasket is sleeved on the bottom of the valve stem surface, the gasket is fixedly connected to the top of the valve body, the inner wall of the valve body is coated with corrosion-resistant material, the corrosion-resistant material is made of epoxy paint, the ball valve is driven by the valve stem and rotates around the axis of the ball valve, thereby realizing the opening or closing of the valve.

[0014] Preferably, a mounting seat is fixedly connected to the top of the valve body, a packing gland is fixedly connected to the bottom of the mounting seat, the packing gland is fixedly connected to the top of the valve body, a packing is provided on the surface of the valve stem, and the packing is filled in the top of the valve body. The main function of the valve packing is to prevent the medium from leaking outward due to the movement of the valve stem, so as to ensure the normal operation of the industrial equipment.

[0015] Preferably, a wrench is fixedly connected to the surface of the valve stem, a locking nut is provided on the top of the wrench, and the locking nut is threadedly connected to the surface of the valve stem, so that the valve stem can be easily rotated by the provided wrench.

[0016] Preferably, the valve core is in a spherical shape and is disposed in the valve body. The valve core is a valve part by which the valve body realizes basic functions of direction control, pressure control or flow control by means of its movement.

[0017] Compared with the prior art, the present invention provides a corrosion-resistant and erosion-resistant ball valve, which has the following beneficial effects: The corrosion-resistant and scour-resistant ball valve can effectively buffer the impact force of the water flow under the elastic potential energy of the spring by setting an anti-scour mechanism, thereby avoiding damage to the inside of the valve body caused by excessive impact force of the water flow, playing an anti-scour effect and increasing the service life of the ball valve. By coating the inner wall of the valve body with epoxy paint, the purpose of corrosion resistance can be achieved.

[0018] The corrosion-resistant and erosion-resistant ball valve is driven by the valve stem through the flow mechanism set up, and rotates around the axis of the ball valve to open or close the valve. This rotation is usually 90 degrees. When the ball rotates to make the inlet and outlet of the pipeline fully present a spherical surface, the ball valve is in a closed state and the fluid is cut off; when the ball channel is aligned with the inner diameter of the pipeline, the ball valve is in an open state, the fluid can flow, and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the anti-scour mechanism of the present invention; Figure 4 It is a cross-sectional schematic diagram of the anti-scour mechanism of the present invention; Figure 5 It is a partial structural schematic diagram of the anti-scour mechanism of the present invention; Figure 6 Schematic diagram of the flow mechanism of the present invention.

[0020] In the figure: 1. valve body; 2. anti-scouring mechanism; 21. first positioning plate; 22. second positioning plate; 23. connecting plate; 24. first limiter; 25. first fixing ring; 26. support rod; 27. fixing block; 28. scouring member; 29. ​​second fixing ring; 201. third fixing ring; 202. second limiter; 203. spring; 204. fixing frame; 205. limiter plate; 206. mounting rod; 3. flow mechanism; 31. packing gland; 32. gasket; 33. valve stem; 34. mounting seat; 35. packing; 36. valve core; 37. wrench; 38. valve seat. DETAILED DESCRIPTION

[0021] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0022] The present invention provides a technical solution: Example

[0023] Combination Figure 1-2 to Figure 3-5 A corrosion-resistant and erosion-resistant ball valve comprises a valve body 1, an anti-erosion mechanism 2 is arranged on the left side of the valve body 1, and a flow mechanism 3 is arranged on the top of the valve body 1.

[0024] The anti-scour mechanism 2 includes a third fixing ring 201, which is fixedly connected to the left side of the valve body 1. A sliding groove is provided in the third fixing ring 201, and a mounting rod 206 is slidably connected in the sliding groove. A sliding groove is provided on the surface of the mounting rod 206, and a limiting plate 205 is slidably connected in the sliding groove. A fixing frame 204 is fixedly connected to the surface of the limiting plate 205, and the fixing frame 204 is fixedly connected to the right side surface of the third fixing ring 201. A spring 203 is sleeved on the surface of the mounting rod 206, and a first limiting member 24 is fixedly connected to the left side of the mounting rod 206, and the spring 203 is arranged between the first limiting member 24 and the third fixing ring 201.

[0025] Furthermore, five mounting rods 206 are arranged, and the five mounting rods 206 are evenly spaced. The five mounting rods 206 are all arranged on the left side of the valve body 1. Springs 203 are sleeved on the surfaces of the five mounting rods 206. Under the elastic potential energy of the springs 203 themselves, the impact force of the water flow can be effectively buffered, thereby avoiding damage to the inside of the valve body 1 caused by excessive impact force of the water flow, and playing an anti-scouring role.

[0026] Furthermore, a connecting plate 23 is fixedly connected to the left side of the first limiting member 24, a first fixing ring 25 is fixedly connected to the side of the connecting plate 23 away from the first limiting member 24, a second positioning plate 22 is fixedly connected to the surface of the first fixing ring 25, and a flushing member 28 is fixedly connected to the surface of the second positioning plate 22. The first fixing ring 25 can be supported and fixed by the setting of the connecting plate 23, the flushing member 28 is arranged in the first fixing ring 25, and the second positioning plates 22 are evenly distributed around the flushing member 28. The purpose of fixing the flushing member 28 can be achieved by setting the second positioning plate 22.

[0027] Furthermore, the second positioning plate 22 is fixedly connected to the first positioning plate 21 on the right side, the first positioning plate 21 is fixedly connected to the fixed block 27 on the left side, the surface of the fixed block 27 is fixedly connected to the second fixing ring 29, the flushing member 28 is arranged in the second fixing ring 29, and the connecting plate 23 is fixedly connected to the right side of the second fixing ring 29. By setting the first fixing ring 25, the mounting rod 206 can be reinforced.

[0028] Furthermore, a support rod 26 is slidably connected inside the first positioning plate 21, and the support rod 26 is fixedly connected to the left side of the surface of the third fixing ring 201. Five support rods 26 are arranged, and the five support rods 26 are evenly spaced. A second limiting member 202 is fixedly connected to the top of the support rod 26. The mounting rod 206 slides inside the third fixing ring 201, and the limiting plate 205 slides inside the limiting groove opened on the surface of the mounting rod 206. At the same time, the first positioning plate 21 slides on the surface of the support rod 26, which can ensure the stability of the mounting rod 206 during sliding. Example

[0029] See also Figure 6 , and on the basis of Example 1, the flow mechanism 3 is further obtained to include a valve seat 38, the valve seat 38 is fixedly connected to the bottom of the valve body 1, a valve core 36 is arranged on the top of the valve seat 38, a valve stem 33 is fixedly connected to the top of the valve core 36, the valve stem 33 is threadedly connected to the top of the valve body 1, a gasket 32 ​​is sleeved on the bottom of the surface of the valve stem 33, the gasket 32 ​​is fixedly connected to the top of the valve body 1, the inner wall of the valve body 1 is coated with a corrosion-resistant material, the corrosion-resistant material is made of epoxy paint, the ball valve is driven by the valve stem 33, and rotates around the axis of the ball valve, thereby realizing the opening or closing of the valve.

[0030] Furthermore, a mounting seat 34 is fixedly connected to the top of the valve body 1, a packing gland 31 is fixedly connected to the bottom of the mounting seat 34, the packing gland 31 is fixedly connected to the top of the valve body 1, a packing 35 is arranged on the surface of the valve stem 33, and the packing 35 is filled in the top of the valve body 1. The main function of the valve packing 35 is to prevent the medium from leaking outward due to the movement of the valve stem 33, so as to ensure the normal operation of the industrial equipment.

[0031] Furthermore, a wrench 37 is fixedly connected to the surface of the valve stem 33, and a locking nut is arranged on the top of the wrench 37. The locking nut is threadedly connected to the surface of the valve stem 33. The valve stem 33 can be easily rotated by the wrench 37. The valve core 36 is spherical and is arranged in the valve body 1. The valve core 36 is a valve part that the valve body 1 uses its movement to achieve the basic functions of direction control, pressure control or flow control.

[0032] In actual operation, when the device is used, first, when water flows in from the left side of the valve body 1, the water flows to impact the flushing member 28, and drives the first fixing ring 25 and the second fixing ring 29 to move to the right at the same time. At this time, the mounting rod 206 slides inside the third fixing ring 201, and the limiting plate 205 slides inside the limiting groove opened on the surface of the mounting rod 206. At the same time, the first positioning plate 21 slides on the surface of the support rod 26, which can ensure the stability of the mounting rod 206 during the sliding process. At this time, the spring 203 is in a state of continuous compression back and forth. Under the elastic potential energy of the spring 203 itself, the water flow can be compressed. The impact force of the ball valve can be effectively buffered, thereby preventing the impact force of the water flow from causing damage to the inside of the valve body 1, playing an anti-scouring role and improving the service life of the ball valve. By coating the inner wall of the valve body 1 with epoxy paint, it can achieve the purpose of corrosion resistance. The ball valve is driven by the valve stem 33 and rotates around the axis of the ball valve to open or close the valve. This rotation is usually 90 degrees. When the ball rotates to make the inlet and outlet of the pipeline all present a spherical surface, the ball valve is in a closed state and the fluid is cut off; when the ball channel is aligned with the inner diameter of the pipeline, the ball valve is in an open state, the fluid can circulate, and the operation is convenient and quick.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A corrosion-resistant and erosion-resistant ball valve, comprising a valve body (1), Features: An anti-scouring mechanism (2) is provided on the left side of the valve body (1), and a flow mechanism (3) is provided on the top of the valve body (1); The anti-scour mechanism (2) comprises a third fixing ring (201), the third fixing ring (201) is fixedly connected to the left side of the valve body (1), a sliding groove is provided in the third fixing ring (201), a mounting rod (206) is slidably connected in the sliding groove, a sliding groove is provided on the surface of the mounting rod (206), a limiting plate (205) is slidably connected in the sliding groove, a fixing frame (204) is fixedly connected to the surface of the limiting plate (205), the fixing frame (204) is fixedly connected to the right side surface of the third fixing ring (201), a spring (203) is sleeved on the surface of the mounting rod (206), a first limiting member (24) is fixedly connected to the left side of the mounting rod (206), and the spring (203) is arranged between the first limiting member (24) and the third fixing ring (201).

2. A corrosion-resistant and anti-scour ball valve according to claim 1, Features: The number of the mounting rods (206) is five, the five mounting rods (206) are distributed at equal intervals, the five mounting rods (206) are all arranged on the left side of the valve body (1), and the surfaces of the five mounting rods (206) are all sleeved with springs (203).

3. A corrosion-resistant and anti-scour ball valve according to claim 1, Features: A connecting plate (23) is fixedly connected to the left side of the first limiting member (24); a first fixing ring (25) is fixedly connected to the side of the connecting plate (23) away from the first limiting member (24); a second positioning plate (22) is fixedly connected to the surface of the first fixing ring (25); and a flushing member (28) is fixedly connected to the surface of the second positioning plate (22).

4. A corrosion-resistant and anti-scour ball valve according to claim 3, Features: The flushing member (28) is arranged in the first fixing ring (25), and the second positioning plates (22) are distributed around the flushing member (28) at equal intervals.

5. A corrosion-resistant and anti-scour ball valve according to claim 3, Features: The second positioning plate (22) is fixedly connected to the first positioning plate (21) on the right side, the first positioning plate (21) is fixedly connected to the fixing block (27) on the left side, the fixing block (27) is fixedly connected to the surface of the fixing ring (29), the flushing member (28) is arranged in the second fixing ring (29), and the connecting plate (23) is fixedly connected to the right side of the second fixing ring (29).

6. A corrosion-resistant and anti-scour ball valve according to claim 5, Features: A support rod (26) is slidably connected inside the first positioning plate (21), and the support rod (26) is fixedly connected to the left side of the surface of the third fixing ring (201). Five support rods (26) are arranged, and the five support rods (26) are distributed at equal intervals. A second limiting member (202) is fixedly connected to the top of the support rod (26).

7. The corrosion-resistant and anti-scour ball valve according to claim 1, Features: The flow mechanism (3) comprises a valve seat (38), wherein the valve seat (38) is fixedly connected to the bottom of the valve body (1), a valve core (36) is arranged on the top of the valve seat (38), a valve stem (33) is fixedly connected to the top of the valve core (36), the valve stem (33) is threadedly connected to the top of the valve body (1), a gasket (32) is sleeved on the bottom of the surface of the valve stem (33), and the gasket (32) is fixedly connected to the top of the valve body (1), and the inner wall of the valve body (1) is coated with a corrosion-resistant material, and the corrosion-resistant material is made of epoxy paint.

8. A corrosion-resistant and anti-scour ball valve according to claim 7, Features: A mounting seat (34) is fixedly connected to the top of the valve body (1), a packing gland (31) is fixedly connected to the bottom of the mounting seat (34), the packing gland (31) is fixedly connected to the top of the valve body (1), a packing (35) is provided on the surface of the valve stem (33), and the packing (35) is filled in the top of the valve body (1).

9. The corrosion-resistant and anti-scour ball valve according to claim 7, Features: A wrench (37) is fixedly connected to the surface of the valve stem (33), a locking nut is provided on the top of the wrench (37), and the locking nut is threadedly connected to the surface of the valve stem (33).

10. The corrosion-resistant and anti-scour ball valve according to claim 7, Features: The valve core (36) is spherical in shape and is arranged in the valve body (1).

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