电动阀

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By installing a silencing component in the flow path of the electric valve, the problems of abnormal noise and pressure loss when the ball valve core opening is small are solved, achieving stable fluid flow and low noise effect.

CN224516004UActive Publication Date: 2026-07-17FUJIKOKI MFG CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: FUJIKOKI MFG CO LTD
Filing Date: 2025-07-28
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

In existing electric valves, when the opening of the ball valve core is small, air bubbles are easily generated and burst when fluid passes through the gap, resulting in abnormal noise. Furthermore, suppressing the noise may lead to fluid pressure loss.

Method used

A silencing component is installed in the flow path. The silencing component has a silencing part and a hollow part. The fluid passes through the hollow part of the silencing component within the range of the ball valve core being fully closed to a specified opening degree, which suppresses bubble rupture and noise generation.

Benefits of technology

It effectively suppresses abnormal noise and pressure loss of the fluid, especially within the range of the ball valve core being fully closed to the specified opening, maintaining the stability of fluid flow.

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Abstract

提供一种抑制从流体产生的异常噪音和流体的压力损失的电动阀。具备：设置有阀室的阀主体(20)；使流体流入的流入管(26)；使流体流出的流出管(27)；配置于阀室，具有使流体通过的贯通孔(31)，开度能够从流体的流路的全闭状态调节到全开状态的球阀芯(30)；以及具有消音部(51)和中空部(52)的消音部件(50)。消音部件(50)配置于流路内，并且流体在球阀芯(30)的开度处于从全闭状态到规定开度的范围内通过消音部(51)。

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Claims

1. An electrically operated valve characterised in that, have: Valve body, in which a valve chamber is provided; An inlet pipe that allows fluid to flow in; An outlet pipe that allows the fluid to flow out; A ball valve core disposed in the valve chamber, having a through hole through which the fluid passes, the opening of the ball valve core being adjustable from a fully closed state to a fully open state in which the flow path of the fluid is open; as well as The noise-reducing component has a noise-reducing part and a hollow part. The silencing component is disposed within the flow path, and the fluid passes through the silencing component when the opening degree of the ball valve core is within the range from fully closed to a specified opening degree.

2. The electric valve according to claim 1, characterized in that, The silencing component suppresses abnormal noise from the fluid when the opening degree of the ball valve core is within the range from the fully closed state to the specified opening degree.

3. The electric valve according to claim 1, characterized in that, The silencing component is disposed on at least one of the inlet pipe and the outlet pipe.

4. The electric valve according to claim 3, characterized in that, The noise-reducing component has a conical shape.

5. The electric valve according to claim 1, characterized in that, The silencing component is disposed on the ball valve core.

6. The electric valve according to claim 1, characterized in that, The silencing part of the silencing component is a mesh component or a porous component.

7. The electric valve according to claim 1, characterized in that, The noise-reducing component comprises metal or resin materials.