Electric ball valve capable of controlling flow direction

Abstract

The utility model provides an electric ball valve capable of controlling flow direction, which comprises a valve body, a plurality of joints are fixedly connected to the outer side of the valve body, a fixed seat is fixedly connected to the top of the valve body, a connecting seat is fixedly connected to the bottom of the valve body, a valve ball is movably sleeved in the valve body, a sealing ring is movably sleeved on the outer side of the valve ball, and the connecting seat is fixedly connected to the valve body. And the sealing ring is fixedly connected with the valve body. According to the electric ball valve capable of controlling the flow direction, the purpose of controlling the flow direction can be achieved by controlling the rotating direction of the valve ball to enable the valve ball to be communicated with the connectors at different positions through the design of the multiple connectors, the valve ball can be driven to rotate through the action of the motor, and in the working process of the motor, the valve ball can be driven to rotate. The motor can drive the rotating block to slide in the supporting seat, when the rotating block rotates, the position of the rotating block after rotation can be limited through matched use of a groove, a ball and a first spring, and the problem that deviation is caused when the valve ball rotates due to the influence of working inertia of the motor is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely is a kind of electric ball valve of controllable flow direction. BACKGROUND

[0002] Ball valve is a common valve type, it controls the flow of fluid by rotating a ball. Ball valves are commonly used for on-off and regulating fluid in pipelines, with the advantages of fast opening and closing, good sealing, high temperature and pressure resistance, etc.

[0003] The utility model discloses a horizontal tee bend electric ball valve belongs to valve technical field. Including valve body and set in valve body and can rotate spherical valve core, the spherical valve core is electric control, and T-shaped channel is arranged in the spherical valve core. The utility model discloses a structure improvement to electric ball valve, the electric ball valve has the valve body and spherical valve core of cooperation, T-shaped channel is arranged in the spherical valve core, can make medium split, confluence and flow direction conversion.

[0004] In the prior art, during the use of the electric ball valve, the electric ball valve is usually controlled by the driving of the motor. However, due to the inertia of the motor during shutdown, the control accuracy may be affected when the motor controls the ball valve. In addition, the control of the ball valve may be affected when the electric ball valve is out of power or fails. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of electric ball valves of controllable flow direction, solve the problem that motor inertia can cause ball valve control deviation, also solve the problem that ball valve power failure, failure affects control use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electric ball valve of controllable flow direction, the valve body, the outside of the valve body is fixedly connected with multiple joints, the top of the valve body is fixedly connected with fixed seat, the bottom of the valve body is fixedly connected with connecting seat, the inside of the valve body is movably sleeved with valve ball, the outside of the valve ball is movably sleeved with sealing ring, the sealing ring is fixedly connected with valve body, the top of the valve ball is fixedly connected with upper valve rod, the upper valve rod is rotatably connected with valve body by bearing, the bottom of the valve ball is fixedly connected with lower valve rod, the lower valve rod is rotatably connected with valve body by bearing, driving mechanism is provided on the lower valve rod, rotating mechanism is provided on the upper valve rod.

[0007] The driving mechanism comprises a motor, the inside of the connecting seat is fixedly connected with the motor, the upper end of the output end of the motor is fixedly connected with a rotating block, the rotating block is fixedly connected with the lower valve rod, the inside of the rotating block is provided with a groove, the inside of the groove is movably sleeved with a ball, the outer side of the ball is movably sleeved with a supporting seat, the supporting seat is rotatably connected with the rotating block, the supporting seat is fixedly connected with the connecting seat, the outer side of the ball is movably sleeved with a sliding block, the sliding block is slidably connected with the supporting seat, the outer side of the sliding block is fixedly connected with a sliding rod, the sliding rod is slidably connected with the supporting seat, and the outer side of the sliding rod is provided with a first spring.

[0008] The rotating mechanism comprises a square groove, the inside of the upper valve rod is provided with the square groove, the inside of the fixed seat is movably sleeved with a handle, the bottom of the handle is fixedly connected with a square rod, the outer side of the handle is rotatably sleeved with a connecting plate through a bearing, the outer side of the connecting plate is provided with a guide wheel, the guide wheel is slidably connected with the fixed seat, the inside of the connecting plate is slidably sleeved with a guide rod, the guide rod is fixedly connected with the fixed seat and the valve body respectively, and the outer side of the guide rod is provided with a second spring.

[0009] Preferably, the number of the grooves is multiple, and the multiple grooves are annularly and continuously and uniformly distributed in the inside of the rotating block.

[0010] Preferably, one end of the first spring is fixedly connected with the sliding block, and the other end of the first spring is fixedly connected with the supporting seat.

[0011] Preferably, one end of the second spring is fixedly connected with the valve body, and the other end of the second spring is fixedly connected with the connecting plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 the utility model discloses a ball valve drive control mechanism, which comprises a valve body, a valve rod, a connecting seat, a rotating block, a groove, a ball, a supporting seat, a sliding block, a sliding rod and a first spring.

[0014] 2, the utility model discloses a handle's effect is designed, when the power failure, motor failure etc. condition appears, through the handle of pressing down can be square bar inserted in the square groove of upper valve stem inside, at this time through the handle rotation can drive upper valve stem and valve ball and carry out the rotation to control the ball valve, avoid the power failure, motor failure etc. The problem that cannot control the ball valve occurs. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the local structure perspective sectional view of the utility model Figure 1 ;

[0017] Figure 3 It is the valve body front view sectional view of the utility model Figure 1 ;

[0018] Figure 4 It is the A place enlarged view of the utility model Figure 3 ;

[0019] In the drawing: 1, valve body;2, joint;3, fixed seat;4, connecting seat;5, valve ball;6, sealing ring;7, upper valve stem;8, drive mechanism;9, rotating mechanism;10, lower valve stem;81, motor;82, rotating block;83, recess;84, ball;85, support seat;86, sliding block;87, slide rod;88, first spring;91, square groove;92, handle;93, square bar;94, connecting plate;95, guide wheel;96, guide rod;97, second spring. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0021] Please refer to Figure 1 、 Figure 2The utility model provides a controllable flow direction electric ball valve, the outside fixed connection of valve body 1 has a plurality of joints 2, the top fixed connection of valve body 1 has fixed seat 3, the bottom fixed connection of valve body 1 has connecting seat 4, the inside movable sleeve joint of valve body 1 has valve ball 5, the outside movable sleeve joint of valve ball 5 has sealing ring 6, sealing ring 6 is fixedly connected with valve body 1, the top fixed connection of valve ball 5 has upper valve stem 7, upper valve stem 7 is rotatably connected with valve body 1 through bearing, the bottom fixed connection of valve ball 5 has lower valve stem 10, lower valve stem 10 is rotatably connected with valve body 1 through bearing, and drive mechanism 8 is arranged on lower valve stem 10, and rotating mechanism 9 is arranged on upper valve stem 7.

[0022] Please refer to Figure 1 、 Figure 3 , drive mechanism 8 includes motor 81, the inside fixed connection of connecting seat 4 has motor 81, the upper end fixed connection of motor 81 output end has rotating block 82, rotating block 82 is fixedly connected with lower valve stem 10, the inside of rotating block 82 is provided with recess 83, recess 83 movable sleeve joint has ball 84, the number of recess 83 is multiple, and multiple recess 83 is annular and is evenly distributed in the inside of rotating block 82 continuously, by designing multiple recess 83, ball 84 can be rolled into the inside of recess 83 in different positions, the outside movable sleeve joint of ball 84 has support seat 85, support seat 85 is rotatably connected with rotating block 82, support seat 85 is fixedly connected with connecting seat 4, the outside movable sleeve joint of ball 84 has sliding block 86, sliding block 86 is slidably connected with support seat 85, the outside fixed connection of sliding block 86 has slide rod 87, slide rod 87 is slidably connected with support seat 85, the outside of slide rod 87 is provided with first spring 88, one end of first spring 88 is fixedly connected with sliding block 86, the other end of first spring 88 is fixedly connected with support seat 85, by designing first spring 88, the force of first spring 88 can be applied to sliding block 86, by designing drive mechanism 8, ball valve can be driven and controlled.

[0023] Please refer to Figure 1 、 Figure 3 、 Figure 4 , rotating mechanism 9 includes square groove 91, and the inside of upper valve stem 7 is provided with square groove 91, and the inside movable sleeve joint of fixed seat 3 has handle 92, the bottom fixed connection of handle 92 has square rod 93, the outside rotatable sleeve joint of handle 92 has connecting plate 94 through bearing, the outside of connecting plate 94 is provided with guide wheel 95, guide wheel 95 is slidably connected with fixed seat 3, the inside slidably sleeve joint of connecting plate 94 has guide rod 96, guide rod 96 is respectively fixedly connected with fixed seat 3 and valve body 1, the outside of guide rod 96 is provided with second spring 97, one end of second spring 97 is fixedly connected with valve body 1, the other end of second spring 97 is fixedly connected with connecting plate 94, by designing second spring 97, the force of second spring 97 can be applied to connecting plate 94, by designing rotating mechanism 9, it is convenient to manually control ball valve.

[0024] The utility model discloses in the specific implementation process as follows: when using, through the action of multiple joints 2, the rotation direction of control valve ball 5 is made to be communicated with different position joint 2, and the purpose of controlling the flow direction can be achieved, the rotation of lower valve stem 10 can be driven by the rotation of rotating block 82 driven by motor 81, and lower valve stem 10 can drive valve ball 5 to rotate, and ball valve can be controlled.

[0025] In the rotating process of rotating block 82, the arc surface of recess 83 inside rotating block 82 will extrude and push ball 84 to move horizontally, ball 84 will drive sliding block 86 to move horizontally, sliding block 86 drives sliding rod 87 to move, and sliding block 86 will extrude first spring 88 to make ball 84 separate from recess 83, when motor 81 works and stops, the sliding block 86 will be pushed to reset under the elastic action of first spring 88, at this time, ball 84 will be pushed into the recess 83 in another position, at this time, rotating block 82 can be abutted and limited, and the problem that deviation is caused when valve ball 5 rotates under the influence of the inertia of motor 81 working can be avoided.

[0026] When the ball valve needs to be manually controlled, first press down handle 92, handle 92 drives connecting plate 94 to move down, connecting plate 94 drives guide wheel 95 to slide along fixed base 3, connecting plate 94 slides along guide rod 96, and connecting plate 94 will extrude second spring 97, at this time, handle 92 will drive square rod 93 to move down to make square rod 93 insert into square groove 91 inside upper valve stem 7, then rotate handle 92, handle 92 drives square rod 93 and upper valve stem 7 to rotate, and the manual rotation control of valve ball 5 can be realized, and the problem that the ball valve cannot be controlled due to the lack of electricity, motor 81 failure and the like can be avoided.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A motor-operated ball valve with controllable flow direction, comprising a valve body (1), characterized in that: The outer side of the valve body (1) is fixedly connected with a plurality of joints (2), the top of the valve body (1) is fixedly connected with a fixed seat (3), the bottom of the valve body (1) is fixedly connected with a connecting seat (4), the inside of the valve body (1) movably sleeves a valve ball (5), the outer side of the valve ball (5) movably sleeves a sealing ring (6), the sealing ring (6) is fixedly connected with the valve body (1), the top of the valve ball (5) is fixedly connected with an upper valve rod (7), the upper valve rod (7) is rotatably connected with the valve body (1) through a bearing, the bottom of the valve ball (5) is fixedly connected with a lower valve rod (10), the lower valve rod (10) is rotatably connected with the valve body (1) through a bearing, a driving mechanism (8) is arranged on the lower valve rod (10), and a rotating mechanism (9) is arranged on the upper valve rod (7). The driving mechanism (8) comprises a motor (81), the inside of the connecting seat (4) is fixedly connected with the motor (81), the upper end of the output end of the motor (81) is fixedly connected with a rotating block (82), the rotating block (82) is fixedly connected with the lower valve rod (10), the inside of the rotating block (82) is provided with a groove (83), the inside of the groove (83) movably sleeves a ball (84), the outer side of the ball (84) movably sleeves a support seat (85), the support seat (85) is rotatably connected with the rotating block (82), the support seat (85) is fixedly connected with the connecting seat (4), the outer side of the ball (84) movably sleeves a sliding block (86), the sliding block (86) is slidably connected with the support seat (85), the outer side of the sliding block (86) is fixedly connected with a sliding rod (87), the sliding rod (87) is slidably connected with the support seat (85), and the outer side of the sliding rod (87) is provided with a first spring (88). The rotating mechanism (9) comprises a square groove (91), the inside of the upper valve rod (7) is provided with the square groove (91), the inside of the fixed seat (3) movably sleeves a handle (92), the bottom of the handle (92) is fixedly connected with a square rod (93), the outer side of the handle (92) rotatably sleeves a connecting plate (94) through a bearing, the outer side of the connecting plate (94) is provided with a guide wheel (95), the guide wheel (95) is slidably connected with the fixed seat (3), the inside of the connecting plate (94) slidably sleeves a guide rod (96), the guide rod (96) is fixedly connected with the fixed seat (3) and the valve body (1) respectively, and the outer side of the guide rod (96) is provided with a second spring (97).

2. A motor-operated ball valve with controllable flow direction according to claim 1, characterized in that: The number of the grooves (83) is a plurality, and the plurality of grooves (83) are annularly and continuously and uniformly distributed in the inside of the rotating block (82).

3. A motor-operated ball valve with controllable flow direction according to claim 1, characterized in that: One end of the first spring (88) is fixedly connected with the sliding block (86), and the other end of the first spring (88) is fixedly connected with the support seat (85).

4. A motor-operated ball valve with controllable flow direction according to claim 1, characterized in that: One end of the second spring (97) is fixedly connected with the valve body (1), and the other end of the second spring (97) is fixedly connected with the connecting plate (94).

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