A concrete structure hole-remaining formwork system convenient to disassemble

By using mortise and tenon joints and interlocking joints, combined with the design of limiting rods and rotating arc strips, the problems of high cost and low reusability of traditional hole-retaining formwork systems are solved, achieving a hole-retaining formwork system that is easy to assemble and disassemble and has high stability.

CN118532015BActive Publication Date: 2025-11-07SHANGHAI CONSTRUCTION NO 7 (GROUP) CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202410863497.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-11-07
Estimated Expiration
2044-06-29

Smart Images

  • Figure CN118532015B_ABST
    Figure CN118532015B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of building construction, and provides a concrete structure hole-remaining formwork system convenient to disassemble, which comprises a hole mouth formwork and a tongue-and-groove formwork, the hole mouth formwork comprises a plurality of sequentially-stacked base support rings, each base support ring is arranged in a ring shape and forms a hole mouth area, the hole mouth areas of the plurality of base support rings are combined to form a hole mouth channel, and the tongue-and-groove formwork is installed at one end of the hole mouth channel; the base support ring comprises a plurality of corner formworks and a plurality of connecting formworks, each corner formwork is arranged at a different corner of the base support ring, and the connecting formwork is arranged between two adjacent corner formworks; one side of each corner formwork and one side of each connecting formwork are provided with first tenon blocks, and the other side of each corner formwork and the other side of each connecting formwork are provided with first tenon grooves for tenoning the first tenon blocks. The concrete structure hole-remaining formwork system convenient to disassemble can reduce the manufacturing cost of the hole-remaining formwork.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • One-step forming template for rabbet at door and window opening

    CN213418484U

  • Draught fan foundation pouring formwork

    CN215165782U