External ball valve handle fixing limiting device
A limit device, an external technology, applied to valve devices, devices to prevent accidental or unauthorized actions, valve details, etc., can solve problems such as weak connections, ball valves that cannot operate normally, and affect the normal use of ball valves. To achieve a firm and stable connection
Active Publication Date: 2020-06-09
宁波耀通管阀科技有限公司
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Problems solved by technology
The connection between the handle and the valve stem of the existing ball valve is not firm, the handle cannot drive the valve stem to rotate, which affects the normal use of the ball valve, and it is inevitable that the handle will accidentally touch the handle, causing the handle to drive the spherical valve core through the valve stem Rotate, so that the ball valve can not operate normally, for this reason, we propose an external ball valve handle fixed limit device
Method used
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0025] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.
[0026] In addition, the ...
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The invention discloses an external ball valve handle fixing limiting device. The external ball valve handle fixing limiting device comprises a ball valve body and a handle body, wherein a square table is arranged at the upper end of the ball valve body, the top of a valve stem extends out the top of the square table in a penetrating mode to be connected with a cross-shaped connecting rod integrally formed with the valve stem, a connecting cylinder sleeved at the top of the valve stem is arranged at the bottom of the tail end of the handle body, the cross-shaped connecting rod is clamped in across-shaped clamping groove at the top of the tail end of the handle body, the tail end of the handle body penetrates through the connecting cylinder through two sets of bolts and is screwed to an annular base, a limiting mechanism is arranged in an L-shaped groove in the front of the square table, and a clamping convex block of the limiting mechanism is clamped in a plurality of sets of clampinggrooves arranged at equal intervals at the lower end of the annular base. According to the external ball valve handle fixing limiting device, connecting and fixing of the handle body and the valve stem are firm and stable; the valve stem and the handle body are fixed and limited through the limiting mechanism, the operation is simple and convenient, and the phenomenon of the misoperation of a ball valve through a handle is effectively avoided.
Description
technical field [0001] The invention relates to the field of fixing and limiting devices for ball valve handles, in particular to an externally connected ball valve handle fixing and limiting device. Background technique [0002] The ball valve came out in the 1950s. The ball valve is mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. It only needs to be rotated 90 degrees and a small rotational torque can be closed tightly. The ball valve is the most suitable Used as switch and cut-off valve. The connection between the handle and the valve stem of the existing ball valve is not firm, the handle cannot drive the valve stem to rotate, which affects the normal use of the ball valve, and it is inevitable that the handle will accidentally touch the handle, causing the handle to drive the spherical valve core through the valve stem Rotation, so that the ball valve can not operate normally, for this reason, we propose an external ball ...
Claims
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IPC IPC(8): F16K35/00
CPCF16K35/00
Inventor 陈磊余思国朱豪杰
Owner 宁波耀通管阀科技有限公司