限流阀及工艺设备
By using a flexible movable component to adjust the flow rate in the flow limiting valve, the problems of complex structure and unstable flow rate of existing flow limiting valves are solved, achieving the effects of simplified structure, reduced cost and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN XINGGUANG LISUO TECHNOLOGY CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-07-17
AI Technical Summary
Current flow control valves have complex structures and rely on electronic devices such as sensors to control flow rate. They are prone to failure, resulting in unstable flow rate. Furthermore, high flow rates may damage equipment components and generate dust particles.
It employs flexible movable parts that move within the flow channel, and regulates the flow rate through fluid pressure and elastic restoring force, simplifying the structure, reducing electronic components, and achieving flow control and safety protection.
The simplified flow restrictor structure reduces costs, improves reliability, prevents pipe rupture caused by sudden pressure rises, and achieves stable flow rate regulation.
Smart Images
Figure CN224516057U_ABST
Abstract
Claims
1. A flow limiting valve (15) characterized by, The flow limiting valve (15) includes: The valve body (151) is provided with a flow channel, the flow channel including an inlet (1511) and an outlet (1513); An elastic movable member (153) is located within the flow channel, a portion of which is used to move between a first position (1512) and a second position (1514) within the flow channel, wherein the second position (1514) is closer to the outlet (1513) than the first position (1512), and the cross-sectional area of the flow channel gradually decreases from the first position (1512) to the second position (1514); The valve body (151) further includes a protrusion (1515) protruding from the inner wall of the flow channel, and the elastic movable component (153) is connected to the protrusion (1515); the protrusion (1515) is an annular structure extending circumferentially along the valve body (151), and the protrusion (1515) is provided with a through hole (15151) communicating with the flow channel, and the annular structure is connected to the elastic movable component (153).
2. The flow restriction valve (15) according to claim 1, characterized in that The elastic movable component (153) includes an elastic part (1531) and a movable part (1533). The elastic part (1531) is housed within the flow channel and is fixedly connected to the valve body (151). The movable part (1533) is connected to the elastic part (1531), and the movable part (1533) is used to move between the first position (1512) and the second position (1514).
3. The flow restriction valve (15) according to claim 2, characterized in that The elastic part (1531) is a spring or a rubber pad.
4. The flow restriction valve (15) according to claim 3, characterized in that The spring is a compression spring, and the movable part (1533) is located on the side of the elastic part (1531) away from the outlet (1513); Alternatively, the spring may be a tension spring, with the movable part (1533) located on the side of the elastic part (1531) near the outlet (1513).
5. The flow restriction valve (15) according to any one of claims 2-4, characterized in that One end of the movable part (1533) is inserted into the elastic part (1531).
6. The flow restriction valve (15) according to claim 5, characterized in that The width of the first end of the movable part (1533) is smaller than the width of the second end of the movable part (1533), the width of the second end of the movable part (1533) is larger than the width of the elastic part (1531), and the first end is located inside the elastic part (1531).
7. The flow limiting valve (15) according to any one of claims 1-6, characterized in that, When the elastic movable member (153) is in the second position (1514), there is a gap (1517) between the elastic movable member (153) and the inner wall of the flow channel, and the gap (1517) is used for the flow of fluid.
8. A process plant (1) characterized by The process equipment (1) includes a cavity (11), an air extraction device (13), an air filling device (14), a first flow limiting valve (1501) and a second flow limiting valve (1502). The first flow limiting valve (1501) and the second flow limiting valve (1502) are both flow limiting valves (15) as described in any one of claims 1-7. The cavity (11), the inlet of the first flow limiting valve (1501), and the outlet of the first flow limiting valve (1501) are sequentially connected to the air extraction device (13). The cavity (11), the outlet of the second flow limiting valve (1502), and the inlet of the second flow limiting valve (1502) are sequentially connected to the air filling device (14).