Sealing ball valve with external control assembly

Abstract

The utility model belongs to the field of ball valves, and particularly relates to a sealing ball valve with an external control component, which comprises a valve body, a first rotating rod is rotatably inserted in an insertion hole, a second rotating rod is fixedly connected to the upper surface of a mounting disc, and a motor for driving a valve core to rotate is fixedly mounted on the surface of one side of a cover body. A mounting disc can be driven to rotate when a motor is started to work, so that a valve element in a rotating valve body can be controlled through the motor to limit the flow of a fluid, and a second rotating rod and a first rotating rod are fixedly connected together through fixed connection of the mounting disc and the second rotating rod; when the valve element needs to be rotated under the condition that a motor breaks down or is powered off, a second rotating rod can be driven to rotate by rotating a rotating disc, a mounting disc can also be driven to rotate for adjustment, internal parts can be protected through the design of a cover body, and therefore the valve element can be controlled to automatically rotate for adjustment; and time and labor are saved when the ball valve is adjusted and closed.

Description

Technical Field

[0001] The utility model relates to the field of ball valves, in particular to a sealing ball valve with an external control component. Background Art

[0002] Ball valve, the opening and closing parts are driven by the valve stem and rotate around the axis of the ball valve. It can also be used for fluid regulation and control. In my country, ball valves are widely used in oil refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration, steel and other industries, and they play an important role in the national economy. It has a 90-degree rotating action, the plug body is a sphere, and there is a circular through hole or channel passing through its axis.

[0003] Since conventional ball valves are all manually rotated to adjust and control the fluid, and the valve core cannot be controlled to automatically rotate for adjustment, this results in a relatively time-consuming and labor-intensive process of adjusting and closing the ball valve in projects where ball valves are widely used. Therefore, a sealed ball valve with an external control component is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, since traditional ball valves all adjust and control the fluid by manually rotating the valve core, and cannot control the valve core to automatically rotate for adjustment, this leads to the problem of being time-consuming and labor-intensive when adjusting and closing the ball valve in projects where ball valves are widely used. The utility model proposes a sealed ball valve with an external control component.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the sealing ball valve with an external control component described in the utility model comprises a valve body, a valve core is movably installed inside the valve body, a connecting rod is fixedly connected to the upper surface of the middle part of the valve body, a plug hole which passes through the inner part of the valve body is opened on the upper surface of the connecting rod, a No. 1 rotating rod is rotatably plugged in the plug hole, the bottom surface of the No. 1 rotating rod is fixedly connected to the upper surface of the valve core, the upper surface of the No. 1 rotating rod extends to the outside of the plug hole, a mounting plate is fixedly installed on the upper surface of the No. 1 rotating rod, a No. 2 rotating rod is fixedly connected to the upper surface of the mounting plate, a turntable is fixedly installed on the upper surface of the No. 2 rotating rod, a cover body is provided above the valve body, the upper end of the No. 2 rotating rod rotates and passes through the top of the cover body, and a motor for driving the valve core to rotate is fixedly installed on one side surface of the cover body.

[0006] Preferably, a turbine is placed inside the cover on the mounting plate, the turbine caliper is engaged with a worm, one end of the worm is rotatably connected to one side surface of the cover, and the other end of the worm is rotatably passed through the outside of the cover and fixedly connected to the output shaft of the motor.

[0007] Preferably, an embedding hole is opened on the upper surface of the turbine, an inner gear ring is fixedly embedded in the embedding hole, and the inner ring surface of the inner gear ring is fixedly connected to the inner ring surface of the embedding hole.

[0008] Preferably, three groups of support rods are fixedly distributed in an annular array on the outer ring surface of the mounting plate, and planetary gears are rotatably mounted on the upper surfaces of the ends of the three groups of support rods away from the mounting plate, and the three groups of planetary gears are all meshed with the inner gear ring.

[0009] Preferably, the upper surfaces of one end of the three groups of support rods away from the mounting plate are rotatably connected to mounting rods, and the upper end surfaces of the three groups of mounting rods are respectively fixedly connected to the lower surfaces of the three groups of planetary gears.

[0010] Preferably, a sun gear is fixedly passed through the second rotating rod, and the sun gear is meshed with three sets of planetary gear calipers.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model works by starting the motor, and the motor drives the mounting plate to rotate when working, so that the flow rate of the fluid body can be limited by the motor controlling the valve core inside the rotating valve body. Since the mounting plate is fixedly connected to the No. 1 rotating rod, the No. 1 rotating rod will be driven to rotate in the plug-in hole when the mounting plate is rotated. Since the No. 1 rotating rod is fixedly connected to the valve core, the valve core can be driven to rotate when the No. 1 rotating rod is rotated. Through the fixed connection between the mounting plate and the No. 2 rotating rod, the No. 2 rotating rod is fixedly connected to the No. 1 rotating rod. When the motor fails or the power is cut off and the valve core needs to be rotated, the No. 2 rotating rod can be driven to rotate by rotating the turntable, and the mounting plate can also be driven to rotate for adjustment. The design of the cover body can protect the internal parts and increase their service life, so that the valve core can be controlled to automatically rotate for adjustment, saving time and effort when adjusting and closing the ball valve.

[0013] 2. The utility model drives the worm to rotate when the motor works, and when the worm rotates, it drives the turbine to rotate in the cover body. Through the design of the embedded hole on the turbine, an internal gear ring is fixedly installed inside it, and when the turbine rotates, the internal gear ring is driven to rotate. Through the meshing of the internal gear ring and the three sets of planetary gears, when the internal gear ring rotates, the three sets of planetary gears will both rotate and rotate, so that under the action of the three sets of support rods, the mounting plate will be driven to rotate, thereby achieving the purpose of the electric regulating valve core. Through the design of the three sets of mounting rods, the three sets of planetary gears are respectively rotatably installed on the three sets of support rods. Through the design of the sun gear, when the internal gear ring rotates, the three sets of planetary gears will both rotate and rotate under the action of the internal gear ring. When the motor fails, the No. 2 rotating rod can be manually rotated to drive the sun gear to rotate. Under the action of the three sets of planetary gears, the internal gear ring will stop rotating, so that the turbine rotation and the worm will not be stuck, thereby achieving the purpose of both automatic adjustment and manual adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the connecting rod structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the valve core adjustment structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the turbine structure of the utility model.

[0020] In the figure: 1. valve body; 2. valve core; 3. cover body; 4. connecting rod; 5. plug-in hole; 6. No. 1 rotating rod; 7. mounting plate; 8. support rod; 9. sun gear; 10. planetary gear; 11. internal gear ring; 12. turbine; 13. worm; 14. embedding hole; 15. motor; 16. No. 2 rotating rod; 17. turntable; 18. mounting rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5 As shown, a sealed ball valve with an external control component includes a valve body 1, a valve core 2 is movably installed inside the valve body 1, a connecting rod 4 is fixedly connected to the upper surface of the middle part of the valve body 1, and a plug hole 5 is opened on the upper surface of the connecting rod 4 and penetrates into the interior of the valve body 1, a No. 1 rotating rod 6 is rotatably plugged in the plug hole 5, the bottom surface of the No. 1 rotating rod 6 is fixedly connected to the upper surface of the valve core 2, and the upper surface of the No. 1 rotating rod 6 extends to the outside of the plug hole 5, a mounting plate 7 is fixedly installed on the upper surface of the No. 1 rotating rod 6, a No. 2 rotating rod 16 is fixedly connected to the upper surface of the mounting plate 7, and a turntable 17 is fixedly installed on the upper surface of the No. 2 rotating rod 16, a cover body 3 is provided above the valve body 1, and the upper end of the No. 2 rotating rod 16 rotates and penetrates to the top of the cover body 3, and a motor 15 for driving the valve core 2 to rotate is fixedly installed on the surface of one side of the cover body 3.

[0023] When working, by starting the motor 15, the motor 15 will drive the mounting plate 7 to rotate, so that the valve core 2 inside the rotating valve body 1 can be controlled by the motor 15 to limit the flow rate of the fluid. Due to the fixed connection between the mounting plate 7 and the No. 1 rotating rod 6, the No. 1 rotating rod 6 will be driven to rotate in the plug-in hole 5 when the mounting plate 7 is rotated. Due to the fixed connection between the No. 1 rotating rod 6 and the valve core 2, the valve core 2 can be driven to rotate when the No. 1 rotating rod 6 is rotated. Through the fixed connection between the mounting plate 7 and the No. 2 rotating rod 16, the No. 2 rotating rod 16 is fixedly connected to the No. 1 rotating rod 6. When the motor 15 fails or the power is cut off and the valve core 2 needs to be rotated, the No. 2 rotating rod 16 can be driven to rotate by rotating the turntable 17, and the mounting plate 7 can also be driven to rotate for adjustment. The design of the cover body 3 can protect the internal parts and increase their service life, so that the valve core 2 can be controlled to automatically rotate for adjustment, saving time and effort when adjusting and closing the ball valve.

[0024] Furthermore, a turbine 12 is provided inside the cover body 3 above the mounting plate 7, and a worm 13 is meshed with the caliper of the turbine 12. One end of the worm 13 is rotationally connected to a surface of one side inside the cover body 3, and the other end of the worm 13 rotates through the cover body 3 and is fixedly connected to the output shaft of the motor 15 circumscribed thereto.

[0025] During operation, the motor 15 drives the worm 13 to rotate, and the worm 13 drives the turbine 12 to rotate in the cover body 3 when rotating.

[0026] Furthermore, an embedding hole 14 is opened on the upper surface of the turbine 12 , and the inner gear ring 11 is fixedly embedded in the embedding hole 14 , and the inner ring surface of the inner gear ring 11 is fixedly connected to the inner ring surface of the embedding hole 14 .

[0027] During operation, the embedded hole 14 on the turbine 12 is designed so that the inner gear ring 11 is fixedly installed inside the turbine 12, so that the inner gear ring 11 is driven to rotate when the turbine 12 rotates.

[0028] Furthermore, three groups of support rods 8 are fixedly distributed in an annular array on the outer ring surface of the mounting plate 7, and planetary gears 10 are rotatably mounted on the upper surfaces of the ends of the three groups of support rods 8 away from the mounting plate 7, and the three groups of planetary gears 10 are all meshed with the inner gear ring 11.

[0029] During operation, through the meshing of the inner gear ring 11 and the three sets of planetary gears 10, when the inner gear ring 11 rotates, the three sets of planetary gears 10 will perform both self-rotation and rotational motion, thereby driving the mounting plate 7 to rotate under the action of the three sets of support rods 8, thereby achieving the purpose of the electric regulating valve core 2.

[0030] Furthermore, the upper surfaces of the ends of the three groups of support rods 8 away from the mounting plate 7 are rotatably connected to the mounting rods 18 , and the upper end surfaces of the three groups of mounting rods 18 are fixedly connected to the lower surfaces of the three groups of planetary gears 10 .

[0031] During operation, the three sets of planetary gears 10 are rotatably mounted on the three sets of support rods 8 respectively through the design of the three sets of mounting rods 18 .

[0032] Furthermore, a sun gear 9 is fixedly passed through the second rotating rod 16 , and the sun gear 9 is caliper-engaged with three sets of planetary gears 10 .

[0033] During operation, through the design of the sun gear 9, when the inner gear ring 11 rotates, the three sets of planetary gears 10 will both rotate and rotate under its action. When the motor 15 fails, the second rotating rod 16 can be manually rotated to drive the sun gear 9 to rotate. Under the action of the three sets of planetary gears 10, the inner gear ring 11 will stop rotating, so that the turbine 12 will not rotate and the worm 13 will not be stuck, thereby achieving the purpose of both automatic adjustment and manual adjustment.

[0034] Working principle: by starting the motor 15, the motor 15 will drive the mounting disk 7 to rotate when it is working, so that the motor 15 can control the valve core 2 inside the rotating valve body 1 to limit the flow of the fluid, because the mounting disk 7 is fixedly connected with the No. 1 rotating rod 6, so that when the mounting disk 7 rotates, it will drive the No. 1 rotating rod 6 to rotate in the plug-in hole 5, because the No. 1 rotating rod 6 is fixedly connected with the valve core 2, when the No. 1 rotating rod 6 rotates, it can drive the valve core 2 to rotate, through the fixed connection between the mounting disk 7 and the No. 2 rotating rod 16, the No. 2 rotating rod 16 is fixedly connected with the No. 1 rotating rod 6, when the motor 15 fails or the power is off and the valve core 2 needs to be rotated, the No. 2 rotating rod 16 can be driven to rotate by rotating the turntable 17, and the mounting disk 7 can also be driven to rotate for adjustment, and the design of the cover body 3 can protect the internal parts and increase their service life, so that the valve core 2 can be controlled to automatically rotate for adjustment, which saves time and effort when adjusting and closing the ball valve.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A sealed ball valve with an external control component, comprising a valve body (1), characterized in that: A valve core (2) is movably installed inside the valve body (1), a connecting rod (4) is fixedly connected to the upper surface of the middle part of the valve body (1), a plug hole (5) is opened on the upper surface of the connecting rod (4) and penetrates into the interior of the valve body (1), a first rotating rod (6) is rotatably inserted in the plug hole (5), the bottom surface of the first rotating rod (6) is fixedly connected to the upper surface of the valve core (2), the upper surface of the first rotating rod (6) extends to the outside of the plug hole (5), a mounting plate (7) is fixedly installed on the upper surface of the first rotating rod (6), a second rotating rod (16) is fixedly connected to the upper surface of the mounting plate (7), a rotating disk (17) is fixedly installed on the upper surface of the second rotating rod (16), a cover body (3) is provided above the valve body (1), the upper end of the second rotating rod (16) rotates and penetrates to the top of the cover body (3), and a motor (15) for driving the valve core (2) to rotate is fixedly installed on one side surface of the cover body (3).

2. The sealed ball valve with an external control component according to claim 1, characterized in that: A turbine (12) is provided inside the cover (3) above the mounting plate (7), and a worm (13) is engaged with the caliper of the turbine (12). One end of the worm (13) is rotationally connected to a surface of one side inside the cover (3), and the other end of the worm (13) is rotationally penetrated to the cover (3) and fixedly connected to the output shaft of the motor (15) circumscribed thereto.

3. The sealing ball valve with an external control component according to claim 2, characterized in that: An embedding hole (14) is provided on the upper surface of the turbine (12), an inner gear ring (11) is fixedly embedded in the embedding hole (14), and the inner ring surface of the inner gear ring (11) is fixedly connected to the inner ring surface of the embedding hole (14).

4. The sealed ball valve with an external control component according to claim 1, characterized in that: Three groups of support rods (8) are fixedly distributed in an annular array on the outer ring surface of the mounting plate (7); planetary gears (10) are rotatably mounted on the upper surfaces of the ends of the three groups of support rods (8) away from the mounting plate (7); and the three groups of planetary gears (10) are meshed with the inner gear ring (11).

5. The sealed ball valve with an external control assembly according to claim 4, characterized in that: The upper surfaces of the ends of the three groups of support rods (8) away from the mounting plate (7) are all rotatably connected to mounting rods (18), and the upper end surfaces of the three groups of mounting rods (18) are respectively fixedly connected to the lower surfaces of the three groups of planetary gears (10).

6. The sealed ball valve with an external control assembly according to claim 1, characterized in that: A sun gear (9) is fixedly passed through the second rotating rod (16), and the sun gear (9) is meshed with three sets of planetary gears (10) calipers.

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