Ball rotating device of anti-lock ball valve

Abstract

The invention provides an anti-lock ball valve ball body rotating device, and relates to the technical field of ball valve control, the anti-lock ball valve ball body rotating device comprises a main valve body, the top of the main valve body is fixedly provided with a sealing cover through a bolt, and a sealing ring is arranged below the sealing cover; shoulder structures are arranged on the inner sides of the two ends of the main valve body; a control shaft is arranged below the sealing cover, a valve rod is fixedly arranged at the top of the control shaft, and a hand wheel is arranged outside the valve rod; the two ends of the main valve body are fixedly connected with the two sets of auxiliary valve bodies through flanges. The liquid drainage channel is arranged, in the process that the whole ball valve is not disassembled and continuous conveying is conducted, water scale can be directly removed, a screw plug is disassembled, an external pipeline is arranged at the bottom end of the liquid drainage channel, a threaded cylinder is loosened, a pull rod is pulled downwards to drive a hexagonal shaft and an outer buckle edge to descend, and after the outer buckle edge descends, the liquid drainage channel is exposed; granular garbage such as incrustation scale is discharged outwards, automatic descaling is achieved, and the problem that an existing ball valve is inconvenient to remove incrustation scale is solved.

Description

Technical Field

[0001] This invention relates to the field of ball valve control technology, and in particular to an anti-lock ball valve ball rotation device. Background Technology

[0002] After prolonged use, ball valves are prone to jamming due to the accumulation of impurities or scale, which can prevent them from being turned to close directly. In this case, the water path at that point needs to be shut off, and the ball valve needs to be disassembled and cleaned.

[0003] The ball valves and their rotating mechanisms currently in use have the following drawbacks: 1. After blockage, the ball valve needs to be disassembled, making it inconvenient to descale during the operation of the ball valve, and it lacks a discharge function for quickly removing scale; 2. Lacks a control structure for rapid drainage and stable operation; 3. Lacks auxiliary descaling function that can unlock the valve core when the ball valve is seized. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the prior art, the present invention provides a ball rotation device for an anti-lock ball valve.

[0005] This invention provides an anti-lock ball valve ball rotation device, specifically comprising: a main valve body, the top of which is bolted with a sealing cover, and a sealing ring below the sealing cover; both ends of the main valve body have shoulder structures on their inner sides; a control shaft is located below the sealing cover, a valve stem is fixedly mounted on the top of the control shaft, and a handwheel is mounted outside the valve stem; two sets of auxiliary valve bodies are fixedly connected to both ends of the main valve body via flanges; the end of the auxiliary valve body connected to the main valve body has an inner shoulder structure, and an inner sliding valve seat is slidably mounted on the inner shoulder of the main valve body; a convex shape is integrally provided at the bottom center of the main valve body. A rotating sleeve is provided below the convex ring to rotatably accommodate a waterproof bearing. A hexagonal shaft slides within the rotating sleeve, and an outer flange is integrally formed on the top of the hexagonal shaft. A docking pin is integrally formed on the top of the outer flange. A ball valve core has square grooves at both its upper and lower ends, and the bottom of the control shaft can be inserted into the square grooves at the upper and lower ends of the ball valve core in a fitting manner with the docking pin. The adjacent surfaces of the two sets of inner sliding valve seats are provided with sealing layers that can maintain a fitting contact with the ball valve core. A threaded ring is fixedly provided at the bottom of the main valve body through a threaded connection. A combined cylinder is rotatably provided on the outside of the auxiliary valve body.

[0006] Optionally, a drain channel is provided at the bottom of the main valve body, which connects the upper part of the middle inner wall of the bottom of the main valve body to the bottom end of the main valve body, and the bottom end of the drain channel extends downward; a screw plug is provided on the inner side of the bottom of the drain channel through a threaded connection.

[0007] Optionally, the outer side of the inner sliding valve seat near the ball valve core is attached to the inner wall of the main valve body; the outer side of the other end of the inner sliding valve seat is attached to the inner wall of the auxiliary valve body; the outer side of the inner sliding valve seat near the ball valve core has a double-layer shoulder structure, and a spring is also sleeved on the outer shoulder; the outermost side of the inner sliding valve seat slides on the inner shoulder structure of the auxiliary valve body.

[0008] Optionally, four sets of clamping screws are threadedly connected to the middle of the shoulder of the sub-valve body, and a drive gear is fixedly installed at the outer end of each clamping screw.

[0009] Optionally, a pull rod is fixedly provided at the bottom end of the hexagonal shaft by a threaded connection, and the bottom of the pull rod has a ball head structure.

[0010] Optionally, a sealing ring is fixedly provided on the outside of the outer flange, the sealing ring slides in the middle of the lower part of the main valve body, and the sealing ring closes the drainage channel; a spring is provided between the bottom of the outer flange and the middle convex ring at the bottom of the main valve body.

[0011] Optionally, the bottom end of the threaded ring is integrally provided with a support frame, and a threaded cylinder is fixedly provided in the middle of the support frame by a threaded connection. The bottom outer end of the threaded cylinder is integrally provided with two sets of fins for twisting; a hexagonal shaft passes through the threaded cylinder.

[0012] Optionally, the combined cylinder is a cylindrical structure composed of two sets of semi-cylindrical components, and an internal gear ring is integrally provided on the inner side of each combined cylinder, with the drive gear meshing with the internal gear ring.

[0013] The beneficial effects are as follows: 1. This invention is equipped with a drainage channel, which can directly remove scale without disassembling the entire ball valve and during uninterrupted delivery. The screw plug is removed, an external pipe is installed at the bottom of the drainage channel, the threaded cylinder is loosened, and the pull rod is pulled down to drive the hexagonal shaft and the outer flange to descend. When the outer flange descends, the drainage channel is exposed, and the liquid inside the main valve body will be discharged from the drainage channel, carrying away particulate waste such as scale, thus achieving automatic descaling.

[0014] 2. The present invention is provided with a threaded ring, which provides a stable control structure. The function of the threaded cylinder is to lock the bottom of the hexagonal shaft and maintain the position of the outer flange. After the threaded cylinder is loosened, the hexagonal shaft can be unlocked, ensuring that the hexagonal shaft can descend. In addition, the threaded ring also provides a positioning function for the waterproof bearing outside the rotating sleeve, which can maintain the position of the waterproof bearing.

[0015] 3. The present invention is equipped with a combination cylinder, which can quickly release the lock. Rotating the combination cylinder drives the drive gear to rotate through the internal gear ring. The drive gear drives the clamping screw to rotate, thereby releasing the drive gear from the restriction of the inner slide valve seat. The inner slide valve seat moves outward through the external spring, disengaging from the ball valve core and creating a gap, so that the scale or other impurities blocking the ball valve core can be washed away by the water flow. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the present invention is shown; Figure 2 A three-dimensional cross-sectional view of an embodiment of the present invention is shown; Figure 3 A side sectional view of an embodiment of the present invention is shown; Figure 4 A schematic diagram of the descaling state structure in an embodiment of the present invention is shown; Figure 5 A cross-sectional disassembly diagram of an embodiment of the present invention is shown; Figure 6 An embodiment of the present invention is shown. Figure 5 A schematic diagram of the tilting structure; Figure 7 A three-dimensional structural schematic diagram of the combined cylinder in an embodiment of the present invention is shown; Figure 8 A three-dimensional structural schematic diagram of the rotating sleeve in an embodiment of the present invention is shown.

[0017] List of reference numerals in the attached diagram: 1. Main valve body; 101. Sealing cover; 102. Control shaft; 103. Valve stem; 104. Drainage channel; 105. Screw plug; 2. Secondary valve body; 201. Tightening screw; 202. Drive gear; 3. Inner sliding valve seat; 4. Ball valve core; 5. Rotary sliding sleeve; 501. Hexagonal shaft; 502. Outer flange; 503. Connecting pin; 504. Tie rod; 6. Threaded ring; 601. Support frame; 602. Threaded cylinder; 7. Combined cylinder; 701. Internal gear ring. Detailed Implementation

[0018] To make the objectives, solutions, and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

[0019] Example 1: Please refer to the accompanying drawings in the instruction manual. Figures 1 to 8 As shown: This invention proposes an anti-lock ball valve ball rotation device, comprising: a main valve body 1, with a sealing cover 101 fixedly mounted on the top of the main valve body 1 by bolts, and a sealing ring disposed below the sealing cover 101; both ends of the main valve body 1 have shoulder structures on their inner sides; a control shaft 102 is disposed below the sealing cover 101, and a valve stem 103 is fixedly mounted on the top of the control shaft 102, with a handwheel disposed outside the valve stem 103; two sets of auxiliary valve bodies 2 are fixedly mounted on both ends of the main valve body 1 by flange connection; the end of the auxiliary valve body 2 connected to the main valve body 1 has an inner shoulder structure, and an inner sliding valve seat 3 is slidably disposed on the inner shoulder of the main valve body 1; a raised ring is integrally disposed in the middle of the bottom of the main valve body 1. A rotating sleeve 5 is rotatably mounted below the convex ring to cooperate with the waterproof bearing. A hexagonal shaft 501 is slidably mounted inside the rotating sleeve 5. An outer flange 502 is integrally mounted on the top of the hexagonal shaft 501, and a docking pin 503 is integrally mounted on the top of the outer flange 502. A ball valve core 4 has square groove structures at both its upper and lower ends. The bottom of the control shaft 102 can be inserted into the square groove structures at the upper and lower ends of the ball valve core 4 in a matching manner with the docking pin 503. The adjacent surfaces of the two sets of inner sliding valve seats 3 are provided with sealing layers that can maintain a matching contact with the ball valve core 4. A threaded ring 6 is fixedly mounted at the bottom of the main valve body 1 by a threaded connection. A combination cylinder 7 is rotatably mounted on the outside of the auxiliary valve body 2.

[0020] The main valve body 1 has a drain channel 104 at its bottom, which connects the upper part of the middle inner wall of the bottom of the main valve body 1 to the bottom end of the main valve body 1. The bottom end of the drain channel 104 extends downward. A screw plug 105 is provided on the inner side of the bottom of the drain channel 104 through a threaded connection.

[0021] Among them, the inner sliding valve seat 3 is attached to the inner wall of the main valve body 1 at one end near the ball valve core 4; the other end of the inner sliding valve seat 3 is attached to the inner wall of the auxiliary valve body 2; the inner sliding valve seat 3 is a double-layer shoulder structure at one end near the ball valve core 4, and a spring is also sleeved on the outer shoulder; the outermost side of the inner sliding valve seat 3 slides at the inner shoulder structure of the auxiliary valve body 2.

[0022] Among them, four sets of clamping screws 201 are provided in the middle of the shoulder of the secondary valve body 2 by threaded connection, and a drive gear 202 is fixedly provided at the outer end of each clamping screw 201.

[0023] The bottom end of the hexagonal shaft 501 is fixedly connected to a pull rod 504 by a threaded connection, and the bottom of the pull rod 504 has a ball head structure.

[0024] The outer flange 502 is fixedly provided with a sealing ring, which slides in the middle of the lower part of the main valve body 1 and seals the drainage channel 104; a spring is provided between the bottom of the outer flange 502 and the middle protruding ring at the lower part of the main valve body 1.

[0025] Among them, the bottom end of the threaded ring 6 is integrally provided with a support frame 601, and the middle of the support frame 601 is fixedly provided with a threaded cylinder 602 by a threaded connection. The bottom outer end of the threaded cylinder 602 is integrally provided with two sets of fins for twisting; the hexagonal shaft 501 passes through the threaded cylinder 602.

[0026] Among them, the combined cylinder 7 is a cylindrical structure composed of two sets of semi-cylindrical components. The inner side of the combined cylinder 7 is integrally provided with an internal gear ring 701, and the drive gear 202 meshes with the internal gear ring 701.

[0027] like Figures 1-8 As shown, when it is necessary to open or close the valve, the valve stem 103 is turned by handwheel, the valve stem 103 drives the control shaft 102 to rotate, and the control shaft 102 drives the ball valve core 4 to rotate, so that the main valve body 1 can be opened or closed. When scale and other impurities accumulate around the ball valve core 4, they obstruct the rotation of the ball valve core 4. At this time, descaling can be performed. Specifically, the screw plug 105 is removed, and an external pipe is installed at the bottom of the drain channel 104 to drain the liquid inside the ball valve. You can choose to connect the pipe outside the drain channel 104 to a water pump for pressurized extraction, so that the scale accumulated under the ball valve core 4 can be quickly removed. The function of the threaded sleeve 602 is to lock the bottom of the hexagonal shaft 501 and maintain the position of the outer flange 502; Rotate and loosen the threaded cylinder 602, then pull down the lever 504; When the lever 504 descends, it drives the hexagonal shaft 501 and the outer flange 502 to descend. After the outer flange 502 descends, the drain channel 104 is exposed. At this time, the liquid inside the main valve body 1 will be discharged from the drain channel 104, and at the same time, it will carry away particulate waste such as scale outwards.

[0028] Example 2: Based on Example 1, the threaded ring 6 provides a dual function. First, it can position the threaded cylinder 602 to ensure that the threaded cylinder 602 can lock the bottom of the hexagonal shaft 501. The support frame 601 can also be used as a knob to provide an auxiliary rotation effect. The threaded ring 6 also provides a positioning function for the waterproof bearing outside the rotating sleeve 5, maintaining the position of the waterproof bearing; the waterproof bearing can be replaced by a shaft seal.

[0029] Example 3: Based on Example 1, rotate the combined cylinder 7, and drive the drive gear 202 to rotate through the internal gear ring 701. The drive gear 202 drives the clamping screw 201 to rotate, thereby releasing the drive gear 202 from the restriction of the inner slide valve seat 3. The inner slide valve seat 3 moves outward through the external spring, disengaging from the ball valve core 4 and creating a gap, so that the scale or other impurities blocking the ball valve core 4 can be washed away by the water flow.

[0030] The specific usage and function of this embodiment: In this invention, when in use, the external part of the secondary valve body 2 is connected to the pipeline; When it is necessary to open or close the valve, the valve stem 103 is turned by handwheel. The valve stem 103 drives the control shaft 102 to rotate, and the control shaft 102 drives the ball valve core 4 to rotate, which can open or close the main valve body 1. When scale and other impurities accumulate around the ball valve core 4, they obstruct the rotation of the ball valve core 4. At this time, descaling can be performed. Remove the screw plug 105 and install an external pipe at the bottom of the drain channel 104 to drain the liquid inside the ball valve. Rotate to loosen the threaded cylinder 602 and pull down the pull rod 504. When the pull rod 504 descends, it drives the hexagonal shaft 501 and the outer flange 502 to descend. When the outer flange 502 descends, the drain channel 104 is exposed. At this time, the liquid inside the main valve body 1 will be discharged from the drain channel 104, and at the same time, it will carry out particulate waste such as scale outwards. Rotate the combined cylinder 7, and drive the drive gear 202 to rotate through the internal gear ring 701. Drive gear 202 drives the clamping screw 201 to rotate, thereby releasing drive gear 202 from the restriction of drive gear 202 on inner slide valve seat 3. Inner slide valve seat 3 moves outward through external spring, disengaging from ball valve core 4 and creating a gap, allowing water flow to wash away scale or other impurities blocking the ball valve core 4. After performing the above operation for half a minute to one minute, repeat the above operation to complete the descaling process.

Claims

1. A ball rotation device for an anti-lock ball valve, characterized in that, include: The main valve body (1) has a sealing cover (101) fixed to its top by bolts, and a sealing ring is provided below the sealing cover (101); the inner sides of both ends of the main valve body (1) are shoulder structures; a control shaft (102) is provided below the sealing cover (101), and a valve stem (103) is fixed to the top of the control shaft (102), and a handwheel is provided outside the valve stem (103); two sets of auxiliary valve bodies (2) are fixedly provided at both ends of the main valve body (1) by flange connection; one end of the auxiliary valve body (2) is connected to the main valve body (1). All of them have an inner shoulder structure. The inner shoulder of the main valve body (1) is slidably provided with an inner sliding valve seat (3). The bottom middle of the main valve body (1) is integrally provided with a convex ring. The position below the convex ring is rotatably provided with a waterproof bearing. A hexagonal shaft (501) is slidably provided inside the rotating sleeve (5). An outer flange (502) is integrally provided on the top of the hexagonal shaft (501). A docking pin (503) is integrally provided on the top of the outer flange (502). The end of the auxiliary valve body (2) away from the main valve body (1) is a shoulder structure. The ball valve core (4) has square groove structures at both the upper and lower ends. The bottom of the control shaft (102) and the docking pin (503) can be inserted into the square groove structures at the upper and lower ends of the ball valve core (4). The adjacent surfaces of the two sets of inner sliding valve seats (3) are provided with sealing layers that can maintain contact with the ball valve core (4). The bottom of the main valve body (1) is fixedly provided with a threaded ring (6) by a threaded connection. The outer side of the auxiliary valve body (2) is provided with a combined cylinder (7).

2. The anti-lock ball valve ball rotation device as described in claim 1, characterized in that, The bottom of the main valve body (1) is provided with a drain channel (104). The drain channel (104) connects the upper part of the middle inner wall of the bottom of the main valve body (1) with the bottom end of the main valve body (1). The bottom end of the drain channel (104) extends downward. The bottom inner side of the drain channel (104) is sealed with a screw plug (105) by a threaded connection.

3. The anti-lock ball valve ball rotation device as described in claim 1, characterized in that, The inner sliding valve seat (3) is attached to the inner wall of the main valve body (1) at one end near the ball valve core (4); the other end of the inner sliding valve seat (3) is attached to the inner wall of the auxiliary valve body (2); the inner sliding valve seat (3) is attached to the inner wall of the auxiliary valve body (2) at one end near the ball valve core (4) with a double-layer shoulder structure, and a spring is also sleeved on the outer shoulder; the outermost side of the inner sliding valve seat (3) slides at the inner shoulder structure of the auxiliary valve body (2).

4. The anti-lock ball valve ball rotation device as described in claim 1, characterized in that, The secondary valve body (2) has four sets of clamping screws (201) connected by threads in the middle of the shoulder, and the outer ends of the clamping screws (201) are fixed with drive gears (202).

5. The anti-lock ball valve ball rotation device as described in claim 1, characterized in that, The bottom end of the hexagonal shaft (501) is fixedly connected to a pull rod (504) by a threaded connection, and the bottom of the pull rod (504) is a ball head structure.

6. The anti-lock ball valve ball rotation device as described in claim 2, characterized in that, A sealing ring is fixedly provided on the outside of the outer flange (502). The sealing ring slides in the middle of the lower part of the main valve body (1) and closes the drain channel (104). A spring is provided between the bottom of the outer flange (502) and the middle protruding ring at the lower part of the main valve body (1).

7. The anti-lock ball valve ball rotation device as described in claim 5, characterized in that, The bottom end of the threaded ring (6) is integrally provided with a support frame (601), and the middle of the support frame (601) is fixedly provided with a threaded cylinder (602) by a threaded connection. The bottom outer end of the threaded cylinder (602) is integrally provided with two sets of fins for twisting; the hexagonal shaft (501) passes through the threaded cylinder (602).

8. The anti-lock ball valve ball rotation device as described in claim 4, characterized in that, The combined cylinder (7) is a cylindrical structure composed of two sets of semi-cylindrical components. The inner side of the combined cylinder (7) is integrally provided with an internal gear ring (701), and the drive gear (202) meshes with the internal gear ring (701).

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