CN219139884U

CN219139884U - Intelligent built-in switch ball valve

Info

Publication number: CN219139884U
Application number: CN202121865008.6U
Authority: CN
Inventors: 潘薇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2023-06-06
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to an intelligent built-in switch ball valve, which is designed for mainly solving the technical problems that the existing similar products lack switch setting and the working state is difficult to track and monitor in real time. The key point of the ball valve is that the valve rod of the ball valve with the built-in switch comprises an output gear and a driving shaft, a motor gear of the motor is meshed and connected with the output gear in a cavity through a reduction gear assembly, the fan-shaped output gear is provided with the driving shaft, the output gear is meshed with the motor gear of the motor through a tooth opening of an arc side on one side, a convex head is arranged on the symmetrical other side of the arc side of the output gear, the convex head is positioned in a bidirectional movable reed on one side of the switch assembly in the cavity, the switch assemblies at two ends of the bidirectional movable reed are respectively provided with an aligned fixed reed, and the positioning shaft and the driving shaft are inserted into concentric shafts at the upper and lower positions of a sphere in an up-down centering manner; the driving shaft drives the ball body to rotate through the motor, and the convex head of the output gear is positioned in the middle of the bidirectional movable reed, or one end of the bidirectional movable reed is triggered to be abutted and communicated with the corresponding fixed reed.

Description

Intelligent built-in switch ball valve

Technical Field

The utility model relates to an electric ball valve, in particular to an intelligent built-in switch ball valve.

Background

The electric ball valve is a valve body with a ball body driven by a motor to rotate around the axis of a valve rod, and is mainly used in an industrial automatic control system, and the electric ball valve is composed of an electric actuating mechanism and a ball valve and is used as an important actuating mechanism of a pipeline pressing element. The opening and closing member (ball) of the electric ball valve is driven by a valve rod and is provided with a valve which rotates around the axis of the valve rod, is usually used for controlling the remote opening and closing (medium switching on and off) of a pipeline medium, is mainly used for cutting off or switching on the medium in a pipeline, can also be used for regulating and controlling fluid, is particularly suitable for the medium containing fiber, tiny solid particles and the like, has strong shearing force, and has a direct proportional relation with the valve clack stroke. Application number 202021015791.2, grant bulletin date 2020.12.29, title of the utility model "gas meter built-in ball valve" disclosed in chinese patent literature; positioning clamping blocks are vertically arranged on two opposite sides of a connecting disc of the built-in ball valve; the ball core limiting grooves are vertically formed in the two opposite sides of the inner wall of the valve body, a ball core through hole is formed in one side of the outer wall of the valve body, and the ball core limiting grooves and the ball core through hole penetrate through the ball core limiting grooves; the interface is fixed on the mounting table of the valve body through the connecting disc, a sealing ring is arranged between the interface and the connecting disc in a limiting way, a first sealing surface is transversely arranged on the sealing ring, the positioning clamping block is inserted into the ball core limiting groove, and the inner cavity of the valve body is communicated with the interface; the ball core is arranged in the inner cavity of the valve body, the ball core is transversely provided with an inserting shaft, the ball core is vertically provided with a second sealing surface, the inserting shaft is transversely and rotatably inserted in the ball core limiting groove, the inserting shaft is limited between the positioning clamping block and the ball core limiting groove, a driving piece for driving the ball core to rotate is fixed with one end of the inserting shaft through a ball core through hole, and when the second sealing surface rotates to the first sealing surface, the second sealing surface extrudes the first sealing surface to realize valve closing. However, the products and the like lack internal switch arrangement, so that the working state is difficult to track and monitor in real time, the whole assembly production is inconvenient, and the tightness and the whole firmness of the connecting part are required to be further improved; meanwhile, the ball body of the product is fixed by the upper pressing plate and the lower pressing plate, so that the condition of non-concentricity is easy to generate, the sealing element does not have an oil storage groove and a dustproof poking piece, and the ball body is easy to be blocked when the ball body is scraped by the ball body or dust exists during operation.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide an intelligent built-in switch ball valve in the field, so that the technical problems that the existing similar products lack of switch arrangement, the working state is difficult to track and monitor in real time, the production and assembly are inconvenient, and the structural tightness and firmness are poor are solved. The aim is achieved by the following technical scheme.

The intelligent built-in switch ball valve comprises a ball body arranged in a valve body of the built-in switch ball valve, wherein the ball body is fixed in the valve body through a valve rod, and simultaneously, the ball body is driven by a motor to rotate around the axis of the valve rod in the valve body, the motor is arranged in a cavity buckled with a speed reduction cover plate and a motor cover, and a motor gear is arranged on a motor shaft of the motor in the cavity; the valve rod comprises an output gear and a driving shaft, wherein a motor gear of the motor is meshed with the output gear in the cavity, the output gear is provided with the driving shaft, the output gear is in a sector shape, the output gear is meshed with the motor gear of the motor through a tooth opening of an arc side on one side, a convex protrusion is arranged on the symmetrical other side of the arc side of the output gear, the convex protrusions of the output gear are positioned in a bidirectional movable reed on one side of a switch component in the cavity, the switch components on two ends of the bidirectional movable reed are respectively provided with an aligned fixed reed, one end of the driving shaft extends out of a reduction cover plate and is fixedly connected with a shaft hole at one end of the outer diameter of a sphere in the valve body, a positioning shaft driven into the valve body is arranged at the outer diameter of the top of the valve body at the other end of the sphere, and the positioning shaft and the driving shaft are inserted into a concentric shaft at the upper position and the lower position of the sphere in a centering way; the driving shaft drives the ball body to rotate through the motor, and the convex head of the output gear is positioned in the middle of the bidirectional movable reed, or one end of the bidirectional movable reed is triggered to be abutted and communicated with the corresponding fixed reed. Therefore, when the driving shaft drives the ball body to rotate to realize valve opening and closing operation, the output gear driving the driving shaft to rotate corresponds to the position of the trigger switch assembly, namely, when the convex head of the output gear triggers and is positioned at one end of the bidirectional movable reed, the valve opening or closing position of the ball valve with the built-in switch is completely in place, and the purpose of real-time monitoring is realized. The motor gear of the motor can also be meshed and connected with the output gear in the cavity through the reduction gear assembly, and the tooth mouth of the arc-shaped edge on one side of the output gear is meshed with the motor gear of the motor through the reduction gear assembly, so that the torque transmission effect of the motor is improved by the reduction gear assembly, the whole volume is reduced, and the specific structure of the reduction gear assembly is shown below; the positioning shaft and the driving shaft can be connected into a whole.

The convex heads of the output gears are triangular, two ends of the bidirectional movable reed of the switch assembly tilt towards one side of the output gears, triangular curves which are protruding towards one side of the output gears in a punching mode are respectively arranged, and the fixed reed of the switch assembly tilts towards one side of the output gears correspondingly. The specific structural embodiments of the bidirectional movable reed and the fixed reed of the switch component and the triggering structure corresponding to the convex head of the output gear are described above.

Convex bosses are symmetrically arranged on the outer diameter of the shaft hole on one side of the spherical driving shaft, limiting ribs are arranged in the valve body corresponding to the bosses, and the spherical bosses are propped against the limiting ribs of the valve body in a valve closing state. Thereby improving the stability of the ball rotating to the valve closing state.

The outer diameter of the sleeve opening on one side of the speed reducing cover plate of the valve body is provided with two symmetrical convex buckles, the outer diameter of the valve body above the sleeve opening is provided with a ring table larger than the diameter of the sleeve opening, the outer diameter of the ring table is provided with a convex stop rib, the outer diameter of a notch of the speed reducing cover plate is provided with a limit column, the buckle of the valve body is sleeved into a buckle groove rotationally fixed on the inner diameter of the notch through the notch of the speed reducing cover plate, and meanwhile the limit column of the speed reducing cover abuts against the stop rib of the valve body. The structure is convenient for assembling and fixing the valve body and the speed reducing cover plate.

The inner diameter of the sleeve opening of the valve body is provided with a stepped gasket groove, the top of the cover plate sealing gasket is upwards protruded, the speed reducing cover plate is fixed on the sleeve opening of the valve body through the notch, and the driving shaft extends out of the cover plate sealing gasket while the cover plate sealing gasket is clamped and fixed in the gasket groove of the valve body. Thereby facilitating the further sealing between the valve body and the decelerating cover plate and the fixation of the cover plate sealing gasket.

The motor gear of the motor is sequentially meshed with the output gear through a reduction gear assembly, and the reduction gears of the reduction gear assembly are meshed with each other and are respectively fixed at the top of a gear fixing plate through a gear shaft; the first duplex gear, the second duplex gear, the third duplex gear and the fourth duplex gear of the speed reduction gear assembly are respectively fixed through a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft, and the big gear and the small gear of the first duplex gear, the second duplex gear and the third duplex gear are respectively meshed with each other and then meshed with the gear openings of the motor gear and the output gear. Thereby improving torque transmission through the reduction gear assembly and reducing the overall volume.

The two side valve ports of the valve body are respectively provided with a first valve port component and a second valve port component, the first valve port component and the second valve port component are respectively connected with the inverted buckle heads with the protruding outer diameters at the two side valve ports in a rotary buckling way through barb columns with the outer diameters, meanwhile, the inverted buckle heads at the two side valve ports of the valve body are respectively provided with a corresponding protruding stop head, the barb columns on the first valve port component and the second valve port component corresponding to the stop heads are provided with protruding limit heads, and the stop heads are propped against the limit heads; the valve port sealing ring is arranged at the joint of the first valve port piece and the valve body, the valve port sealing gasket is arranged at the joint of the second valve port piece and the valve body, one side bevel ring of the valve port sealing gasket is clamped and fixed between the second valve port piece and the valve body, the other side step ring of the valve port sealing gasket is abutted against and sealed with one side bevel edge of a round contact surface of the sphere, and the step ring of one side of the sphere of the sealing gasket is provided with an oil storage groove and a dustproof poking piece. The structure is convenient for connecting pipelines at two ends of the valve body and further sealing the ball body in the valve closing state.

The external diameter of speed reduction apron is equipped with detains the post to one side, and the motor cover one end of detaining the post to one side is higher than being equipped with to one side and detains the groove to one side, and the external diameter of motor cover is equipped with bellied oblique knot head, and the motor cover border of knot head department to one side is equipped with bellied muscle post respectively, and the motor cover is fixed in the oblique knot groove of speed reduction apron through buckling head anti-to one side to detain the knot, and the motor cover is equipped with the motor cover sealing washer with the junction of speed reduction apron, and one side of motor cover is equipped with wire hole and end cap hole respectively, and the end cap hole is equipped with sealed end cap. The structure is convenient for buckling, fixing and sealing between the speed reducing cover plate and the motor cover.

Inclined plane elastic buckles are symmetrically arranged on two side end faces of the valve body orifice above the positioning shaft, and the butt end top of the positioning shaft is limited and stopped at the inclined plane elastic buckles of the valve body. Thereby the positioning shaft is fixed on the valve body, and is difficult to take out.

The utility model has reasonable structural design, convenient use, installation and production, good sealing performance and stability, small volume occupation and is particularly convenient for real-time monitoring; the ball valve is suitable for being used as an intelligent built-in switch ball valve and the structural improvement of similar products.

Drawings

Fig. 1 is a schematic view of a partially exploded construction of the present utility model, with the switch assembly shown enlarged.

Fig. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is a schematic view showing a structure in which a ball is separated from a driving shaft according to the present utility model.

Fig. 4 is a schematic view of the switch assembly and the driving shaft position structure of the present utility model.

Fig. 5 is a schematic diagram of a sectional structure of an internal valve body open state of the present utility model.

FIG. 6 is a schematic diagram of a cross-sectional structure of the valve body of the present utility model in a closed state.

Fig. 7 is a schematic view showing a perspective structure of a motor side of the valve body of the present utility model.

Fig. 8 is a schematic perspective view of a decelerating cover plate according to the present utility model.

FIG. 9 is a schematic perspective view of a second valve port member according to the present utility model.

Fig. 10 is a schematic view showing a bottom structure of the motor and gear fixing plate of the present utility model in an assembled state.

Fig. 11 is a schematic view of the bottom structure of the motor cover of the present utility model.

Figure number and name: 1. valve body, 101, limit rib, 102, buckle, 103, stop rib, 104, inclined elastic buckle, 2, sphere, 201, boss, 3, valve port sealing ring, 4, first valve port piece, 5, cover plate sealing gasket, 6, speed reducing cover plate, 601, buckle groove, 602, notch, 603, limit post, 604, inclined buckling post, 7, switch component, 701, bidirectional movable reed, 702, fixed reed, 8, driving shaft, 9, output gear, 901, protruding head, 10, speed reducing gear component, 11, gear fixing plate, 12, motor gear, 13, motor, 14, motor cover sealing ring, 15, motor cover, 1501, inclined buckling head, 1502, rib post, 16, sealing plug, 17, valve port sealing gasket, 18, second valve port piece, 19, positioning shaft, 20, shaft sealing ring, 100, limit head, 200, stop head, 300, valve rod.

Detailed Description

The construction and use of the present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-11, a ball body 2 is arranged in a valve body 1 of the ball valve with built-in switch, one side of the ball body is a round contact surface for sealing, the other side of the ball body is provided with a round arch connected with the round contact surface, the ball body is fixed in the valve body through a valve rod 300 and simultaneously is driven to rotate around the axis of the valve rod in the valve body through a motor 13, the motor is arranged in a cavity buckled with a reduction cover plate 6 and a motor cover 15, and a motor shaft of the motor in the cavity is provided with a motor gear 12. The valve rod includes output gear 9 and drive shaft 8, the motor gear of motor with output gear engagement is connected in the cavity, output gear is equipped with the drive shaft, output gear is fan-shaped, output gear passes through the tooth mouth on one side arc limit and motor gear engagement of motor 13, output gear's arc limit symmetry opposite side is equipped with bellied protruding 901, output gear's protruding head is located in the two-way movable reed 701 of switch module 7 one side in the cavity, the switch module at two-way movable reed both ends is equipped with the fixed reed 702 of alignment respectively, the one end of drive shaft stretches out the speed reduction apron and passes through the flush key groove of tip both sides and the spheroid external diameter one end shaft hole fixed connection in the valve body, the spheroid other end valve body top external diameter of this end symmetry is equipped with and drives into the valve body and be connected with the locating shaft 19 of spheroid, the flush end one side step inclined plane of locating shaft is equipped with shaft seal 20, the concentric axis of locating shaft and drive shaft upper and lower centering insertion spheroid upper and lower position, simultaneously, valve body orifice department both sides terminal surface symmetry is equipped with inclined plane elasticity buckle 104, and the flush end top of locating shaft is spacing and ends in the elasticity buckle of the spheroid. The driving shaft drives the ball body to rotate through the motor, and the convex head of the output gear is positioned in the middle of the bidirectional movable reed, or one end of the bidirectional movable reed is triggered to be abutted and communicated with the corresponding fixed reed. The convex heads of the output gears are triangular, two ends of the bidirectional movable reed of the switch assembly tilt towards one side of the output gears, triangular curves which are punched and raised towards one side of the output gears are respectively arranged, and the fixed reed of the switch assembly tilts towards one side of the output gears correspondingly. Convex bosses 201 are symmetrically arranged on the outer diameter of the shaft hole on one side of the spherical driving shaft, limiting ribs 101 are arranged in the valve body corresponding to the bosses, and the spherical bosses are propped against the limiting ribs of the valve body in the valve closing state.

Meanwhile, the outer diameter of the sleeve opening at one side of the speed reducing cover plate of the valve body is provided with two symmetrical convex buckles 102, the outer diameter of the valve body above the sleeve opening is provided with a ring table larger than the diameter of the sleeve opening, the outer diameter of the ring table is provided with a convex stop rib 103, the outer diameter of a notch 602 of the speed reducing cover plate is provided with a limit column 603, the buckle of the valve body is sleeved into a buckle groove 601 which is rotationally fixed at the inner diameter of the notch through the notch of the speed reducing cover plate, and meanwhile the limit column of the speed reducing cover abuts against the stop rib of the valve body. The inner diameter of the sleeve opening of the valve body is provided with a stepped gasket groove, the top of the cover plate sealing gasket 5 protrudes upwards, the speed reducing cover plate is fixed on the sleeve opening of the valve body through the notch, and the driving shaft extends out of the cover plate sealing gasket, and meanwhile, the cover plate sealing gasket is clamped and fixed in the gasket groove of the valve body. The motor gear of the motor is sequentially meshed with the output gear through a reduction gear assembly 10, and the reduction gears of the reduction gear assembly are respectively fixed at the top of a gear fixing plate 11 through a gear shaft while being meshed with each other, and the gear fixing plate is buckled and fixed on the outer diameter of the motor through a barb plate at the bottom; the first duplex gear, the second duplex gear, the third duplex gear and the fourth duplex gear of the speed reduction gear assembly are respectively fixed through a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft, and the big gear and the small gear of the first duplex gear, the second duplex gear and the third duplex gear are respectively meshed with each other and then meshed with the gear openings of the motor gear and the output gear.

The two side valve ports of the valve body are respectively provided with a first valve port component 4 and a second valve port component 18, the first valve port component and the second valve port component are respectively connected with the inverted buckle heads with the protruding outer diameters at the two side valve ports in a rotary buckling way through barb columns with the outer diameters, meanwhile, the inverted buckle heads at the two side valve ports of the valve body are respectively provided with a corresponding protruding stop head 200, the barb columns on the first valve port component and the second valve port component corresponding to the stop heads are provided with protruding limit heads 100, and the stop heads are propped against the limit heads; the valve port sealing ring 3 is arranged at the joint of the first valve port piece and the valve body, the valve port sealing gasket 17 is arranged at the joint of the second valve port piece and the valve body, one side bevel ring of the valve port sealing gasket is clamped and fixed between the second valve port piece and the valve body, the other side step ring of the valve port sealing gasket is abutted against and sealed with one side bevel edge of a round contact surface of a sphere, and an oil storage groove and a dustproof shifting piece are arranged on one side step ring of the sphere of the sealing gasket. The external diameter of speed reduction apron is equipped with detains post 604 to one side, and the motor lid one end of detaining the post to one side is higher than being equipped with to one side and detains the groove to one side, and the external diameter of motor lid is equipped with bellied to one side and detains the head 1501 to one side, and the motor lid border of detaining head department to one side is equipped with bellied muscle post 1502 respectively, and the motor lid is fixed in the oblique knot groove of speed reduction apron through detaining the head to one side to detain the opposite direction to detaining, and the motor lid is equipped with motor lid sealing washer 14 with wire hole and end cap hole respectively, and the end cap hole is equipped with sealed end cap 16.

When the motor drives the speed reduction gear assembly to rotate through the motor gear, the speed reduction gear assembly drives the output gear to rotate, and the driving shaft of the output gear drives the ball in the valve body to rotate, so that valve closing and valve opening operations are realized; meanwhile, the convex head of the output gear is pressed leftwards to enable the movable reed and the fixed reed of the switch assembly to be closed to be in a valve opening state, and the convex head of the output gear is pressed rightwards to enable the movable reed and the fixed reed of the switch assembly to be closed to be in a valve closing state.

In summary, the specific structural characteristics of the ball valve with the built-in switch are as follows: 1. the ball valve with the built-in switch comprises a valve body, a valve port sealing piece, a ball body, a positioning shaft, a speed reduction cover plate assembly, a driving shaft, a switch assembly, a speed reduction gear assembly, a motor assembly and a motor cover, wherein the corresponding parts are rotationally buckled and fixed with the barb through a back-off. 2. The output gear is connected with the driving shaft into a whole. 3. The switch assembly is provided with a bidirectional movable reed and two fixed reeds. 4. The convex head of the output gear is pressed leftwards to enable the movable reed and the fixed reed of the switch assembly to be closed to be in an open valve state. 5. The convex head of the output gear is pressed rightwards to enable the movable reed and the fixed reed of the switch assembly to be closed to be in a valve closing state. 6. The limiting block at the top end of the driving shaft is arranged in the sphere groove at the lower end of the sphere. 7. Two sides of the lower end of the sphere are respectively provided with a boss, and two limit ribs are arranged inside the valve body. When the ball body performs valve opening and closing actions in the valve body, the ball body boss can be clamped by the limiting ribs of the valve body after the valve opening and closing actions are completed, the ball body is prevented from rotating past, and the limiting action is achieved. 8. After the positioning shaft is installed in the valve body, the positioning shaft can be clamped by the two inclined plane elastic buckles on the valve body, so that the positioning shaft is prevented from falling out. 9. The positioning shaft and the driving shaft are vertically aligned, and are assembled with the ball body in an inserting mode, so that the upper position and the lower position of the ball body are always kept concentric. 10. When the positioning shaft is assembled with the valve body, a sealing ring is arranged to ensure sealing. 11. The whole structure of the valve body adopts a rotary buckle structure, and a limiting block is arranged to prevent the rotary buckle from rotating. 12. The sealing surface of the valve port sealing gasket, the valve body and the valve port adopts an oblique structure, so that the sealing effect can be better. 13. The sealing pad of valve port has grooves in the contact surface with the ball, and the ball is held in the sealing pad for rotation and extrusion to reduce loss. 14. A circle of boss is arranged on the sealing surface of the speed reducing cover plate and the cover plate sealing gasket, after the valve body and the speed reducing cover plate are assembled, the sealing gasket is firmly fixed in the middle due to the existence of the boss, and the cover plate sealing gasket and the driving shaft are tightly wrapped to ensure tightness. 15. The valve body and the speed reduction cover plate are assembled by adopting an internal rotary buckle structure, the valve body buckle is inserted into a notch of the speed reduction cover plate, then the valve body buckle rotates into a buckle groove, and then the limit buckle locks the valve body buckle and the speed reduction cover plate. 16. The switch assembly has a bi-directional movable reed and two fixed reeds, thus requiring only three contacts. 17. The lower end of the gear fixing plate is provided with three barb type buckles, so that the motor is firmly fixed. 18. The buckling joint surface of the motor cover and the speed reduction cover plate is reversely-inclined, so that the firmness of assembly is ensured. 19. The motor cover and the inner joint surface of the speed reducing cover plate are provided with a clearance groove, and a sealing ring is arranged at the clearance groove to ensure the inner tightness. 20. The motor cover cavity is internally provided with a wire outlet hole, a motor wire and a switch wire pass through the sealing plug and then pass out of the wire outlet hole, and then the sealing plug is plugged in the wire outlet hole to ensure sealing. 21. The motor cover is provided with three rib columns at the buckling position of the motor cover and the speed reduction cover plate.

Claims

1. An intelligent built-in switch ball valve is characterized in that a ball body (2) is arranged in a valve body (1) of the built-in switch ball valve, the ball body is fixed in the valve body through a valve rod (300), meanwhile, the ball body is driven to rotate around the axis of the valve rod in the valve body through a motor (13), the motor is arranged in a cavity buckled with a speed reduction cover plate (6) and a motor cover (15), and a motor gear (12) is arranged on a motor shaft of the motor in the cavity; the valve rod (300) comprises an output gear (9) and a driving shaft (8), wherein a motor gear (12) of a motor (13) is meshed with the output gear in the cavity, the output gear is provided with the driving shaft, the output gear is fan-shaped, the output gear is meshed with the motor gear of the motor (13) through a tooth opening of an arc side on one side, a raised boss (901) is arranged on the symmetrical other side of the arc side of the output gear, the raised boss of the output gear is positioned in a bidirectional movable reed (701) on one side of a switch assembly (7) in the cavity, the switch assemblies at two ends of the bidirectional movable reed are respectively provided with an aligned fixed reed (702), one end of the driving shaft extends out of a speed reduction cover plate (6) and is fixedly connected with a shaft hole at one end of the outer diameter of a sphere (2) in the valve body (1), the outer diameter of the other end of the valve body which is symmetrical is provided with a positioning shaft (19) driven into the valve body and connected with the sphere, and the positioning shaft and the driving shaft of the top of the sphere are inserted into a concentric shaft at the upper position and lower position of the sphere; the driving shaft drives the ball body to rotate through the motor, and the convex head of the output gear is positioned in the middle of the bidirectional movable reed, or one end of the bidirectional movable reed is triggered to be abutted and communicated with the corresponding fixed reed.

2. The intelligent built-in switch ball valve according to claim 1, wherein the protruding head (901) of the output gear (9) is triangular, two ends of the bidirectional movable reed (701) of the switch assembly (7) tilt towards one side of the output gear, triangular curves which are protruding towards one side of the output gear are respectively arranged, and the fixed reed (702) of the switch assembly tilts towards one side of the output gear correspondingly.

3. The intelligent built-in switch ball valve according to claim 1, wherein protruding boss (201) is symmetrically arranged on the outer diameter of a shaft hole on one side of a driving shaft (8) of the ball body (2), a limit rib (101) is arranged in a valve body (1) corresponding to the boss, and the boss of the ball body is propped against the limit rib of the valve body in a valve closing state.

4. The intelligent built-in switch ball valve according to claim 1, characterized in that the outer diameter of a sleeve opening at one side of a speed reducing cover plate (6) of the valve body (1) is provided with two symmetrical convex buckles (102), the outer diameter of the valve body above the sleeve opening is provided with a ring table larger than the diameter of the sleeve opening, the outer diameter of the ring table is provided with a convex stop rib (103), the outer diameter of a notch (602) of the speed reducing cover plate is provided with a limit column (603), the buckle of the valve body is sleeved into a buckle groove (601) which is rotationally fixed at the inner diameter of the notch through the notch of the speed reducing cover plate, and meanwhile the limit column of the speed reducing cover abuts against the stop rib of the valve body.

5. The intelligent built-in switch ball valve according to claim 1, wherein the inner diameter of the sleeve opening of the valve body (1) is provided with a stepped gasket groove, the top of the cover plate sealing gasket (5) protrudes upwards, the speed reducing cover plate (6) is fixed on the sleeve opening of the valve body through the notch (602), and the driving shaft (8) extends out of the cover plate sealing gasket and is clamped and fixed in the gasket groove of the valve body.

6. The intelligent built-in switch ball valve according to claim 1, characterized in that a motor gear (12) of the motor (13) is sequentially meshed with an output gear (9) through a reduction gear assembly (10), the reduction gears of the reduction gear assembly are meshed with each other and are respectively fixed on the top of a gear fixing plate (11) through a gear shaft, and the gear fixing plate is buckled and fixed on the outer diameter of the motor through a barb plate at the bottom; the first duplex gear, the second duplex gear, the third duplex gear and the fourth duplex gear of the speed reduction gear assembly are respectively fixed through a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft, and the big gear and the small gear of the first duplex gear, the second duplex gear and the third duplex gear are respectively meshed with each other and then meshed with the gear openings of the motor gear and the output gear.

7. The intelligent built-in switch ball valve according to claim 1, characterized in that the two side valve ports of the valve body (1) are respectively provided with a first valve port component (4) and a second valve port component (18), the first valve port component and the second valve port component are respectively connected with the inverted buckle heads with the protruding outer diameters at the two side valve ports in a rotary buckling way through barb columns with the outer diameters, meanwhile, the inverted buckle heads at the two side valve ports of the valve body are respectively provided with a corresponding protruding stop head (200), the barb columns on the first valve port component and the second valve port component corresponding to the stop heads are provided with protruding limit heads (100), and the stop heads are propped against the limit heads; the valve port sealing ring (3) is arranged at the joint of the first valve port piece and the valve body, the valve port sealing gasket (17) is arranged at the joint of the second valve port piece and the valve body, one side bevel ring of the valve port sealing gasket is clamped and fixed between the second valve port piece and the valve body, the other side step ring of the valve port sealing gasket is abutted against and sealed with one side bevel edge of a circular contact surface of the sphere (2), and the one side step ring of the sphere of the sealing gasket is provided with an oil storage groove and a dustproof poking piece.

8. The intelligent built-in switch ball valve according to claim 1, characterized in that the outer diameter of the deceleration cover plate (6) is provided with an inclined buckling column (604), one end of a motor cover (15) of the inclined buckling column is higher than one end of the motor cover, which is provided with an inclined buckling groove, the outer diameter of the motor cover is provided with a convex inclined buckling head (1501), the edge of the motor cover at the inclined buckling head is respectively provided with a convex rib column (1502), the motor cover is reversely and obliquely buckled and fixed in the inclined buckling groove of the deceleration cover plate through the inclined buckling head, the joint of the motor cover and the deceleration cover plate is provided with a motor cover sealing ring (14), one side of the motor cover is respectively provided with a wire outlet hole and a plug hole, and the plug hole is provided with a sealing plug (16).

9. The intelligent built-in switch ball valve according to claim 1, wherein inclined plane elastic buckles (104) are symmetrically arranged on two side end surfaces of the orifice of the valve body (1) above the positioning shaft (19), and the butt end top of the positioning shaft is limited and stopped at the inclined plane elastic buckles of the valve body.