High-precision sit-and-reach testing device

By using a combination of slide rod, push plate and infrared distance sensor in the seat forward bending test device, the error problems caused by inaccurate readings and leg bends in the prior art are solved, and high-precision and stable test data are achieved.

CN222640476UActive Publication Date: 2025-03-21SHANGHAI BESTWIN ELECTRONICS TECH
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Patent Information

Application Number
CN202421271820.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-03-21
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The existing seat forward bending test device can only read through artificial visual scales, and cannot verify the accuracy of data through multiple readings. Users may experience leg bends during the test, resulting in inaccurate readings.

Method used

A high-precision seat forward bending test device is designed, using a slider and push plate structure, combined with an infrared distance sensor and a scale, and data is measured simultaneously through artificial vision and infrared sensor to ensure the accuracy of the measurement.

Benefits of technology

Through multiple reading verification, the accuracy of the test data is improved, errors due to manual readings are reduced, and the stability of the test posture and user comfort are improved through limiting plates and sponge pads.

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Abstract

The utility model relates to the technical field of sit-and-reach testing devices, in particular to a high-precision sit-and-reach testing device which comprises a bottom plate, the upper end of the bottom plate is detachably connected with a supporting plate through bolts, one side of the supporting plate is provided with a pedal groove, and the other side of the supporting plate is provided with a pedal. A base is fixed to the upper end of the supporting plate through bolts, a sliding rod is detachably connected to the upper end of the base through bolts, a graduated scale is fixed to the upper end of the sliding rod through bolts, a push plate is slidably arranged on the graduated scale, and rails are detachably connected to the two sides of the bottom plate through bolts. By arranging the sliding rod and the push plate, the push plate slides on the sliding rod, and the graduated scale is arranged on the sliding rod, so that a person can intuitively read data measured by a user through the push plate.
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