A floor slab thickness measuring ruler

By designing a floor slab thickness measuring ruler that includes components such as a ruler box, coil spring, measuring tape, and hook head, the problem of large size and inconvenience of carrying existing measuring rulers is solved, achieving accurate measurement and portable testing results.

CN224517570UActive Publication Date: 2026-07-17SHANDONG LUKAN GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG LUKAN GRP CO LTD
Filing Date
2025-09-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing floor slab thickness measuring rulers are bulky, inconvenient to carry, and have a limited testing range, making them impractical.

Method used

A floor slab thickness measuring ruler was designed, comprising a ruler box, a coil spring, a measuring tape, a hook head, a movable sleeve, a display slot, a stop plate, a tightening screw sleeve, a tightening screw, and a tightening handle. The hook head hooks one end of the floor slab, the coil spring stretches the measuring tape, and the tightening screw and screw sleeve work together to fix the measuring tape. The display slot displays the scale, achieving precise positioning and fixation.

Benefits of technology

It achieves miniaturization and portability, making it easy to accurately measure floor slab thickness and improving the practicality and convenience of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of measuring rulers, and in particular to a floor slab thickness measuring ruler, comprising a ruler box, a coil spring, a measuring tape, a hook head, a movable sleeve, a display groove, a stop plate, a tightening screw sleeve, a tightening screw, and a tightening handle. The inner side of the ruler box is connected to the bottom side of the coil spring, and the measuring tape is wound around the outer side of the coil spring. The outer side of the measuring tape protrudes from an opening on the left front side of the ruler box, and the outer end of the measuring tape is connected to the inner end of the hook head. A movable sleeve is provided on the outer side of the measuring tape, and a display groove is provided on one side of the measuring tape's scale. The front end of the other side of the movable sleeve is connected to the inner end of the stop plate, and the middle part of this side of the movable sleeve is connected to the inner side of the tightening screw sleeve. The inner wall of the tightening screw sleeve is screwed to the outer wall of the tightening screw, and the outer side of the tightening screw is connected to the middle part of the inner side of the tightening handle. This utility model provides a measuring tape structure that allows for precise positioning and fixation, is small in size, easy to carry, and improves practicality.
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