Electric ball valve
An electric ball valve and ball valve technology, applied in valve details, valve devices, engine components, etc., can solve problems such as affecting judgment, safety accidents, and inability to close in time, so as to improve safety, facilitate judgment and rescue.
Pending Publication Date: 2021-12-24
梁华军
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Problems solved by technology
[0003] The existing electric ball valve drives the valve stem to rotate through the driving component, and then drives the valve disc to rotate through the valve stem to conduct or cut off the flow path. When the circuit breaks down or the drive component breaks down, this kind of electric ball valve cannot be closed in time. Closed, it may cause a safety accident, and the opening state of the valve flap cannot be observed intuitively from the outside, which will affect the judgment in the event of emergency treatment
Method used
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Embodiment Construction
[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0027] Such as Figure 1-Figure 7 As shown, an electric ball valve according to the present invention includes a main body mechanism 1, and the main body mechanism 1 includes a ball valve body 11. Both ends of the ball valve body 11 are fixedly connected with flange connecting rings 12, and the two flanges are connected The ring 12 is arranged symmetrically, a flow passage 13 is opened inside the ball valve body 11, a valve mechanism 2 is arranged inside the ball valve body 11, and an electric mechanism 3 is arranged on the upper surface of the ball valve body 11. There is a connection switching mechanism 4 inside, a manual control mechanism 5 is arranged on the top of the electric mechanism 3, and a display mechanism 6 is arranged inside the elec...
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The invention relates to the field of valves, in particular to an electric ball valve. The electric ball valve comprises a main body mechanism, the main body mechanism comprises a ball valve body, flange connecting rings are fixedly connected to the surfaces of the two ends of the ball valve body, the two flange connecting rings are symmetrically arranged, a flow channel is formed in the position between the two ends of the ball valve body, and a valve mechanism is arranged in the ball valve body. A manual control mechanism is arranged and can be connected when an electric mechanism breaks down due to external factors to replace the electric mechanism to control opening and closing of the valve mechanism, the situation that the valve cannot be closed in time when safety accidents happen is avoided, control of the electric mechanism is relieved when the manual control mechanism is connected, and the situation that closing of the valve is affected by the self-locking function of a motor is prevented; electric input and manual input are selected through arrangement of a connection switching mechanism, and the safety of the valve is improved; the opening and closing conditions of a spherical valve block can be displayed all the time through arrangement of a display mechanism, and judgment and rescue are facilitated.
Description
technical field [0001] The invention relates to the field of valves, in particular to an electric ball valve. Background technique [0002] Electric ball valve is an important actuator in industrial automation control system. The electric ball valve is a valve that rotates around the axis of the valve stem according to this movement form of the valve disc. The change of the valve seat port is proportional to the disc stroke. It is mainly used to cut off or connect the medium in the pipeline, and can also be used for the regulation and control of the fluid. It is a pipeline pressure component for industrial automation process control. [0003] The existing electric ball valve drives the valve stem to rotate through the driving component, and then drives the valve disc to rotate through the valve stem to conduct or cut off the flow path. When the circuit breaks down or the drive component breaks down, this kind of electric ball valve cannot be closed in time. If it is close...
Claims
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IPC IPC(8): F16K5/06F16K31/05F16K31/53F16K37/00
CPCF16K5/0647F16K31/055F16K31/047F16K31/535F16K37/0008
Inventor 梁华军陈凯
Owner 梁华军