Ball valve provided with heightening and opening-adjustable rotary rod
A technology of ball valve and rotary rod, which is applied in the field of ball valve with heightened and adjustable opening degree rotary rod, which can solve the problems that the opening degree is difficult to adjust or limit, the opening degree is difficult to keep consistent, and the operator cannot touch it, etc.
Active Publication Date: 2015-05-20
NINGBO RIAN VALVES
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Problems solved by technology
[0002] For controlling the opening and closing of the ball valve buried in the deep ditch, the operator cannot touch it due to the short valve stem in the ditch depth. The operator in the prior art controls the opening and closing of the deep ditch pipeline with an auxiliary tool called an extension connecting rod. However, if it is necessary to adjust or limit the opening of the ball valve in the deep groove at the same time, the rotation angle will be controlled entirely by the experience of the operator. The opening and closing are different each time, and it is difficult to keep consistent. Existing technologies have problems and deficiencies such as inconvenient opening and closing, difficulty in adjusting or limiting the opening degree, and difficulty in keeping the opening degree consistent
Method used
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[0020] refer to Figure 1 ~ Figure 4 , a ball valve with a heightened and adjustable opening rotary rod of the present invention, comprising a rotary rod 1, a valve stem 2, a valve body 3, and a ball valve core 4, wherein: the rotary rod 1 is composed of an adjusting rod 11, Connecting screw rod 12, limit piece 13, rotary cylinder 14, handle 15 are formed, and described regulating rod 11 is the steel component that is provided with circular through-hole inside, and the outside is hexagonal hollow tubular steel member, and the inner hole of regulating rod 11 The upper and lower parts of the hole wall are respectively provided with internal threads; the connecting screw 12 is a steel rod-shaped member with a flat key shape when viewed from above, and the two short arc surfaces are provided with external threads; Parallel to the diameter and centered on the center of the diameter, the central part is cut symmetrically; the limiting piece 13 is a steel member in the shape of a cir...
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The invention discloses a ball valve provided with a heightening and opening-adjustable rotary rod. The ball valve comprises the rotary rod (1), a valve rod (2), a valve body (3) and a ball valve plug (4). According to the ball valve, the heightening rotary rod consisting of an adjusting rod, a connecting screw rod, a limiting sheet, a rotary cylinder and a handle is arranged on the valve rod; the limiting sheet of the rotary rod can adjust and limit a rotation angle of the rotary cylinder; in a working process, the problems and defects that start and stop are inconvenient, and the opening is difficult to adjust or limit, and difficult to keep consistent in the prior art are solved and overcome with the adoption of the technical scheme that the handle drives the rotary rod to rotate, start and stop through the valve rod and the ball valve plug; and the ball valve used in a deep groove achieves purposes that the start and the stop are convenient, and the opening is easy to adjust or limit, and is kept consistent.
Description
technical field [0001] The invention relates to a ball valve, in particular to a ball valve with a heightened and adjustable opening rotary rod for controlling the opening and closing of a pipeline buried in a deep ditch that needs to limit the opening. Background technique [0002] For controlling the opening and closing of the ball valve buried in the deep ditch, the operator cannot touch it due to the short valve stem in the ditch depth. The operator in the prior art controls the opening and closing of the deep ditch pipeline with an auxiliary tool called an extension connecting rod. However, if it is necessary to adjust or limit the opening of the ball valve in the deep groove at the same time, the rotation angle will be controlled entirely by the experience of the operator. The opening and closing are different each time, and it is difficult to keep consistent. The existing technology has the problems and deficiencies of inconvenient opening and closing, difficulty in a...
Claims
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IPC IPC(8): F16K5/06F16K31/44
Inventor 章仉香
Owner NINGBO RIAN VALVES