Variable pump stable in operation
By using a connection mechanism between the variable slider and the tension spring in the variable pump, the spring slippage problem is solved, ensuring the operational stability of the variable pump.
CN224282917UActive Publication Date: 2026-05-26HUNAN SUHU TECHNOLOGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN SUHU TECHNOLOGY CO LTD
- Filing Date
- 2025-08-21
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
Existing swing-type variable pumps use compression springs, which can easily slip, causing abnormal pump operation.
Method used
A variable slider and a tension spring are fixed to the pump body side wall via a hook connection mechanism, which restricts the spring's translational movement (front-back, left-right, up-down) and rotational movement (center rotation, flipping), thus ensuring the spring's stability.
Benefits of technology
This effectively reduces the slippage problem caused by excessive deflection angle of the spring during operation, thus improving the operational stability of the variable pump.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224282917U_ABST
Abstract
The utility model provides a stable operation variable pump which comprises a pump body, a pump cover, a rotating pin and a variable sliding block, the variable sliding block is arranged in a cavity of the pump body, a rotor cavity is formed in the middle of the variable sliding block and used for containing a rotor assembly, and an arc groove and a protruding block are arranged on the periphery of the variable sliding block. The rotating pin is fixedly installed on the pump body and corresponds to the arc groove of the variable sliding block so that the variable sliding block can swing around the rotating pin, a tension spring is arranged between the protruding block and the side wall of the cavity of the pump body, and connecting mechanisms are arranged on the protruding block and the side wall of the cavity of the pump body and used for fixing hooks at the two ends of the tension spring respectively. Due to the fact that the tension spring is fixed to a connecting mechanism of the protruding block and the side wall of the pump body through the hook, front-back, left-right and up-down translation of the spring can be limited, center rotation, overturning and horizontal rotation of the spring can be limited, the problem that the spring slides due to the too large deflection angle in the running process can be greatly solved, the reliability of the spring is improved, and the service life of the spring is prolonged. And the operation stability of the variable pump is ensured.
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