Telescopic burette fixing frame

By designing a retractable burette holder, and employing a scissor-type telescopic mechanism and limiting components, the problem of large space occupation of existing holders has been solved. This enables length adjustment and convenient fixing of the burette, improving the convenience and efficiency of experimental operations.

CN224541792UActive Publication Date: 2026-07-24DALIAN NATIONALITIES UNIVERSITY
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Patent Information

Application Number
CN202521634743.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-02
Publication Date
2026-07-24
Estimated Expiration
2035-08-02

AI Technical Summary

Technical Problem

The existing burette holder is a one-piece structure with a fixed length, large volume, large space occupation, and is not easy to move and is not flexible, which affects the convenience and efficiency of experimental operation.

Method used

A telescopic burette holder was designed, employing a scissor-type telescopic mechanism and a limiting component. The length of the holder can be adjusted by adjusting the connection between the positioning pin and the positioning hole. The design of the damping shaft and the fixing clamp allows the burette to be accurately fixed from different angles.

Benefits of technology

The length of the fixed frame can be adjusted, reducing space occupation, facilitating transportation, improving the comfort and efficiency of experimental operations, simplifying the fixing and unloading process of burettes, and saving time.

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Abstract

The utility model relates to the technical field of laboratory instruments, in particular to a telescopic burette fixing frame, when a person adjusts the length of the fixing frame as required, a positioning pin is separated from a positioning hole in the current position, and then connecting frames on the two sides are pulled to enlarge the distance between the connecting frames on the two sides, so that the burette is fixed. Meanwhile, when the shear type telescopic mechanism can be unfolded, connecting blocks on the two sides are driven to move upwards along sliding grooves, the connecting blocks can drive U-shaped blocks to move upwards, and when connecting holes of the U-shaped blocks correspond to positioning holes in the corresponding positions, positioning pins penetrate through the connecting holes to be connected with the positioning holes, so that the distance between the connecting frames on the two sides is fixed; after the burette fixing frame is used, the positioning pin is separated, then the connecting frame is pushed, and the positioning pin is connected with the positioning hole in the lowest end, so that the fixing frame is recycled, the length of the burette fixing frame is adjusted, the occupied space of a laboratory table board or a storage cabinet is reduced when the burette fixing frame is idle or used, and researchers can conveniently use and carry the burette fixing frame.
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