Shoulder cutting tenon assembly type non-dismantling formwork structure

Through the shoulder-cutting tenon assembly-free formwork structure, the coordinated installation of the inner rectangular grooves and protrusions and the fixation of threaded steel bars is solved, and the problem of the traditional exterior wall insulation layer plate being easy to fall off and the reinforced rock wool strip composite board formwork is easily curled, achieving efficient and stable connection and free use, reducing construction costs and extending service life.

CN222976172UActive Publication Date: 2025-06-13SHAANXI CONSTR ENG BUILDING MATERIALS TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422196036.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-06-13
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

Traditional exterior wall insulation layer plates are prone to fall off, have short life and high construction costs. They are prone to lifting and hollowing when used as an external formwork, which is difficult to avoid dismantling.

Method used

The shoulder-cutting tenon assembly-free formwork structure is adopted. Adjacent rectangular reinforced rock wool strip composite boards are installed through the combination of the inner rectangular grooves and the inner rectangular protrusions, and multiple threaded steel bars are installed on the plate to fix them in the reinforced concrete wall to achieve stable connection and free use of the formwork.

Benefits of technology

It effectively avoids hollowing and leakage problems at the joints between rectangular reinforced rock wool strip composite panels, improves the reliability and stability of the connection, reduces construction costs, and allows rectangular reinforced rock wool strip composite panels to be used directly as exterior wall insulation layer panels, extending service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222976172U_ABST
    Figure CN222976172U_ABST
Patent Text Reader

Abstract

The utility model discloses a shoulder cutting tenon splicing type non-dismantling formwork structure which comprises a non-dismantling formwork, alkali-resistant glass fiber mesh cloth, a thick rendering coat mortar layer and an outer facing layer. The non-dismantling formwork comprises a plurality of rectangular reinforced rock wool strip composite boards formed by splicing and connecting shoulder cutting tenons. An inner side rectangular groove and an inner side rectangular protrusion are arranged on the two opposite side faces of the rectangular reinforced rock wool strip composite board respectively, a plurality of twisted steel bars are arranged on the rectangular reinforced rock wool strip composite board, and a sealing sleeve is arranged in the rectangular reinforced rock wool strip composite board. Every two adjacent rectangular reinforced rock wool strip composite boards are installed through the cooperation of the inner side rectangular grooves and the inner side rectangular protrusions, and the problems of hollowing and leakage at the joint between every two adjacent rectangular reinforced rock wool strip composite boards can be avoided; the reliability and stability of connection between the multiple rectangular reinforced rock wool strip composite boards can be improved, and the multiple rectangular reinforced rock wool strip composite boards do not need to be dismantled when serving as formworks and are directly used as external wall heat preservation layer boards.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a rabbeted mortise assembled non-removable formwork structure. Background Art

[0002] Traditional external wall insulation panels have problems such as easy detachment, short service life and high construction cost. In addition, the panels of traditional thermal insulation materials have insufficient strength and are difficult to be used as external formwork alone, and the fire resistance rating is low and it is difficult to meet the requirements of fire protection codes. At present, the reinforced rock wool strip composite board can meet the requirements of modern buildings for thermal insulation, fire protection, durability, etc. with its excellent performance and construction convenience, and has been widely used in the construction industry. However, when multiple reinforced rock wool strip composite boards are directly aligned and spliced for use as external formwork, phenomena such as warping and hollowing are likely to occur, and they cannot be used without removal directly as external wall insulation panels. Therefore, a rabbeted mortise assembled non-removable formwork structure should be provided. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a rabbeted mortise assembled non-removable formwork structure aiming at the deficiencies in the above-mentioned prior art. The structure is simple and reasonable in design. The adjacent two rectangular reinforced rock wool strip composite boards are installed through the cooperation of the inner rectangular groove and the inner rectangular protrusion, which can avoid the problems of hollowing and leakage at the joint between the adjacent two rectangular reinforced rock wool strip composite boards, and can improve the reliability and stability of the connection between multiple rectangular reinforced rock wool strip composite boards. One end of multiple threaded steel bars is fixed in the reinforced concrete wall body, achieving the purpose of connecting the rectangular reinforced rock wool strip composite board to the reinforced concrete wall body through multiple threaded steel bars. Multiple rectangular reinforced rock wool strip composite boards do not need to be removed as formwork and are directly used as external wall insulation panels.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a rabbeted mortise assembled non-removable formwork structure, characterized in that: it includes a non-removable formwork for forming the outer side surface of the reinforced concrete wall, an alkali-resistant fiberglass mesh cloth laid on the outer side surface of the non-removable formwork, a thick plaster mortar layer provided on the alkali-resistant fiberglass mesh cloth, and an exterior finish layer provided on the surface of the thick plaster mortar layer. The non-removable formwork includes multiple rectangular reinforced rock wool strip composite boards connected by rabbeted mortise assembly. Inner rectangular grooves and inner rectangular protrusions are respectively arranged on two opposite side surfaces of the rectangular reinforced rock wool strip composite board. The inner rectangular groove of any one rectangular reinforced rock wool strip composite board is matched with the inner rectangular protrusion of another adjacent rectangular reinforced rock wool strip composite board. Multiple threaded steel bars are arranged in a matrix on the rectangular reinforced rock wool strip composite board and are used for extending into the reinforced concrete wall body. A sealing sleeve sleeved on the outer side of the threaded steel bar is arranged in the rectangular reinforced rock wool strip composite board.

[0005] For the above-mentioned rabbeted-tenon assembled non-removable formwork structure, it is characterized in that: the thickness of the rectangular reinforced rock wool strip composite board ranges from 80 mm to 160 mm.

[0006] The utility model has the following advantages compared with the prior art:

[0007] 1. The non-removable formwork of the utility model comprises a plurality of rectangular reinforced rock wool strip composite boards connected by rabbeted-tenon assembly. The adjacent two rectangular reinforced rock wool strip composite boards are installed through the cooperation of the inner rectangular groove and the inner rectangular protrusion, which can avoid the problems of hollowing and leakage at the joint between the adjacent two rectangular reinforced rock wool strip composite boards, improve the reliability and stability of the connection between the plurality of rectangular reinforced rock wool strip composite boards. By arranging a plurality of threaded steel bars on the rectangular reinforced rock wool strip composite board, after the reinforced concrete wall is poured, one end of the plurality of threaded steel bars is fixed in the reinforced concrete wall, achieving the purpose of connecting the rectangular reinforced rock wool strip composite board to the reinforced concrete wall through the plurality of threaded steel bars. Therefore, the rectangular reinforced rock wool strip composite board does not need to be removed as a formwork, which is convenient for construction and saves construction costs.

[0008] 2. The utility model lays an alkali-resistant fiberglass mesh cloth on the outer side of the non-removable formwork, constructs a thick plastering mortar layer on the alkali-resistant fiberglass mesh cloth, and finally constructs an exterior finish layer on the surface of the thick plastering mortar layer, then the non-removable formwork can be directly used as an external wall thermal insulation layer board. The construction process is simple, which helps to improve the construction quality and service life of the external wall thermal insulation layer board.

[0009] 3. The structure of the utility model is simple and reasonably designed, which is convenient for construction and popularization and application.

[0010] In summary, the structure of the utility model is simple and reasonably designed. The adjacent two rectangular reinforced rock wool strip composite boards are installed through the cooperation of the inner rectangular groove and the inner rectangular protrusion, which can avoid the problems of hollowing and leakage at the joint between the adjacent two rectangular reinforced rock wool strip composite boards, improve the reliability and stability of the connection between the plurality of rectangular reinforced rock wool strip composite boards. One end of the plurality of threaded steel bars is fixed in the reinforced concrete wall, achieving the purpose of connecting the rectangular reinforced rock wool strip composite board to the reinforced concrete wall through the plurality of threaded steel bars. The plurality of rectangular reinforced rock wool strip composite boards do not need to be removed as a formwork and are directly used as an external wall thermal insulation layer board.

[0011] The following further describes the utility model in detail through the drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic structural diagram of the utility model.

[0013] Figure 2 is Figure 1 the A-A sectional view of

[0014] Description of reference numerals:

[0015] 1 - exterior decorative layer; 2 - thick plaster mortar layer; 3 - rectangular reinforced rock wool strip composite board;

[0016] 4 - threaded steel bar; 5 - sealing sleeve; 6 - reinforced concrete wall;

[0017] 7 - inner rectangular groove; 8 - inner rectangular protrusion. Specific implementation manner

[0018] As Figure 1 and Figure 2 shown, the utility model includes a non-removable formwork for forming the outer side of the reinforced concrete wall 6, an alkali-resistant fiberglass mesh cloth laid on the outer side of the non-removable formwork, a thick plaster mortar layer 2 provided on the alkali-resistant fiberglass mesh cloth, and an exterior decorative layer 1 provided on the surface of the thick plaster mortar layer 2. The non-removable formwork includes a plurality of rectangular reinforced rock wool strip composite boards 3 connected by rabbet joints. Inner rectangular grooves 7 and inner rectangular protrusions 8 are respectively provided on two opposite sides of the rectangular reinforced rock wool strip composite board 3. The inner rectangular groove 7 of any one of the rectangular reinforced rock wool strip composite boards 3 cooperates with the inner rectangular protrusion 8 of another adjacent rectangular reinforced rock wool strip composite board 3. A plurality of threaded steel bars 4 arranged in a matrix and used to extend into the reinforced concrete wall 6 are provided on the rectangular reinforced rock wool strip composite board 3, and a sealing sleeve 5 sleeved on the outer side of the threaded steel bar 4 is arranged in the rectangular reinforced rock wool strip composite board 3.

[0019] In this embodiment, the non-removable formwork includes a plurality of rectangular reinforced rock wool strip composite boards 3 connected by rabbet joints. The cooperation and installation between adjacent two rectangular reinforced rock wool strip composite boards 3 through the inner rectangular grooves 7 and inner rectangular protrusions 8 can avoid the problems of hollowing and leakage at the joints between adjacent two rectangular reinforced rock wool strip composite boards 3, and can improve the reliability and stability of the connection between a plurality of rectangular reinforced rock wool strip composite boards 3. By providing a plurality of threaded steel bars 4 on the rectangular reinforced rock wool strip composite board 3, after the casting of the reinforced concrete wall 6 is completed, one end of each of the plurality of threaded steel bars 4 is fixed in the reinforced concrete wall 6, achieving the purpose that the rectangular reinforced rock wool strip composite board 3 is connected to the reinforced concrete wall 6 through a plurality of threaded steel bars 4. Therefore, the rectangular reinforced rock wool strip composite board 3 does not need to be removed as a formwork, which is convenient for construction and saves construction costs.

[0020] In this embodiment, by laying an alkali-resistant fiberglass mesh fabric on the outer side of the non-removable formwork, constructing a thick plaster mortar layer 2 on the alkali-resistant fiberglass mesh fabric, and finally, constructing an exterior finish layer 1 on the surface of the thick plaster mortar layer 2, the non-removable formwork can be directly used as an exterior wall thermal insulation board. The construction process is simple, which helps to improve the construction quality and service life of the exterior wall thermal insulation board.

[0021] In this embodiment, the thickness of the rectangular reinforced rock wool strip composite board 3 ranges from 80 mm to 160 mm.

[0022] As Figure 1 and Figure 2 shown, in actual use, first, according to the design structure of the reinforced concrete wall 6, construct a non-removable formwork on the outside of the reinforced concrete wall 6 and lay an inner formwork on the inside of the reinforced concrete wall 6; secondly, pour and form the reinforced concrete wall 6; then, after the reinforced concrete wall 6 solidifies, remove the inner formwork and construct an interior finish layer on the inner side of the reinforced concrete wall 6 to be constructed; then, lay an alkali-resistant fiberglass mesh fabric on the outer side of the non-removable formwork, construct a thick plaster mortar layer 2 on the alkali-resistant fiberglass mesh fabric, and finally, construct an exterior finish layer 1 on the surface of the thick plaster mortar layer 2, so that the non-removable formwork is directly used as an exterior wall thermal insulation board. The construction process is simple, the construction efficiency is improved, the construction period is shortened, and it is convenient to popularize and apply.

[0023] The above is only a preferred embodiment of the present invention, and does not impose any limitation on the present invention. Any simple modification, change, and equivalent structural change made to the above embodiments according to the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A shoulder-cut tenon assembly type non-disassembly formwork structure, characterized in that: The invention comprises a non-disassembly formwork for forming the outer side of a reinforced concrete wall (6), an alkali-resistant glass fiber mesh cloth laid on the outer side of the non-disassembly formwork, a thick plastering mortar layer (2) arranged on the alkali-resistant glass fiber mesh cloth, and an outer finishing layer (1) arranged on the surface of the thick plastering mortar layer (2), wherein the non-disassembly formwork comprises a plurality of rectangular reinforced rock wool strip composite plates (3) assembled and connected by shoulder tenons, and inner rectangular grooves (7) and inner rectangular grooves (8) are respectively arranged on two oppositely arranged side surfaces of the rectangular reinforced rock wool strip composite plates (3). The inner rectangular groove (7) of any one of the rectangular reinforced rock wool strip composite plates (3) cooperates with the inner rectangular protrusion (8) of another adjacently arranged rectangular reinforced rock wool strip composite plate (3); the rectangular reinforced rock wool strip composite plate (3) is provided with a plurality of threaded steel bars (4) arranged in a matrix and used to extend into the reinforced concrete wall (6); and the rectangular reinforced rock wool strip composite plate (3) is provided with a sealing sleeve (5) sleeved on the outside of the threaded steel bars (4).

2. A shoulder-cut tenon assembly type non-disassembly formwork structure according to claim 1, characterized in that: The thickness of the rectangular reinforced rock wool strip composite plate (3) ranges from 80 mm to 160 mm.