Field test card holder
By designing a device that includes a fixing plate, a bracket, and a spring, the problems of inconvenient and easily damaged field test cards were solved, achieving simple, low-cost, and efficient card fixing and ensuring the accuracy of test results.
CN224471069UActive Publication Date: 2026-07-07GUIZHOU UNIV +1
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Patent Information
- Application Number
- CN202521070588.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-07-07
- Estimated Expiration
- 2035-05-28
AI Technical Summary
Technical Problem
Existing methods for fixing field test cards are cumbersome and prone to contamination or damage, affecting the accuracy and reliability of test results.
Method used
A fixing device including a fixing plate, a bracket, a strong spring and a sliding plate was designed. By using the cooperation of the strong spring and the return spring, the test card can be easily fixed and removed, avoiding perforation and contamination.
Benefits of technology
The process was simplified, the fixation of the test card was improved, the risk of contamination was reduced, and the accuracy and reliability of the test results were ensured.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure CN224471069U_ABST
Abstract
The utility model discloses a kind of field test card fixing devices, including fixed plate, the upper end right side of the fixed plate is rotatably connected with support, multiple strong springs are fixedly connected between the support and fixed plate, the lower end left side of the support is fixedly connected with multiple fixed pressing blocks, sliding slot is opened on the fixed plate, sliding plate is slidably connected with sliding slot, and sliding plate is below fixed pressing block, multiple return springs are fixedly connected between the sliding plate and sliding slot. The utility model is easy to operate, simple, low in cost, can be easily fixed test card and reduce the pollution to test card, ensure the accuracy of measurement data, improve work efficiency.
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