A floor panel rear opening structure

Abstract

The utility model discloses a rear opening structure of a floor panel, which comprises a floor panel body, wherein floor panel reinforcement is arranged inside the floor panel body, and a steel casing is arranged on the outer wall of the floor panel reinforcement, and a fixing steel plate is arranged on the outer wall of the steel casing, and expansion bolts are arranged inside the fixing steel plate, and through-holes are opened on the outer wall of the steel casing, and the floor panel reinforcement passes through the steel casing through the through-holes, and the floor panel reinforcement and the steel casing are connected by plug welding, and the front view of the steel casing is a "T"-shaped structure, and the fixing steel plates are distributed at equal angles along the axial center line of the steel casing. The device is provided with a floor panel body, floor panel reinforcement, steel casing, fixing steel plate, expansion bolts and through-holes, which is conducive to one-time sealing of the steel casing with the opening of the floor panel body after installation, thereby saving the process of hanging holes, effectively shortening the construction time, and further saving construction costs.

Description

Technical Field

[0001] The utility model belongs to the technical direction of building construction, and specifically relates to a rear opening structure of a floor panel. Background Art

[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of placing various lines on the design drawings at designated locations. Building construction includes many aspects, including opening holes behind floor panels.

[0003] The existing floor panels with rear openings have a complex structure during construction, which makes the construction more complicated, and further leads to a slow construction speed and high construction cost. This phenomenon has become a problem that needs to be solved urgently by people in this field. Utility Model Content

[0004] The utility model aims to provide a floor panel rear opening structure for the existing device to solve the problems raised in the above background technology.

[0005] In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions: a structure for opening a hole at the back of a floor panel, comprising a floor panel body, floor panel reinforcements are arranged inside the floor panel body, a steel casing is arranged on the outer wall of the floor panel reinforcements, a fixing steel plate is arranged on the outer wall of the steel casing, expansion bolts are arranged inside the fixing steel plate, and a through-hole is opened on the outer wall of the steel casing. By arranging the floor panel body, floor panel reinforcements, steel casing, fixing steel plate, expansion bolts and through-holes, it is beneficial for the steel casing to be installed and sealed with the hole of the floor panel body in one step, thereby saving the process of hanging holes, effectively shortening the construction time, and further saving construction costs.

[0006] Furthermore, the floor slab reinforcement passes through the steel casing through perforations, and the floor slab reinforcement and the steel casing are connected by plug welding, which facilitates the installation of the steel casing.

[0007] Furthermore, the steel casing has a "T"-shaped structure when viewed from the front, which facilitates the sealing of the opening of the floor panel body through the steel casing.

[0008] Furthermore, the fixing steel plates are distributed at equal angles along the axial center line of the steel casing, and the fixing steel plates are connected to the floor panel body through expansion bolts, and the expansion bolts are fixed to the inner wall of the floor panel body, which facilitates the fixing of the fixing steel plates.

[0009] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0010] (1) By providing the floor panel body, floor panel reinforcement, steel casing, fixed steel plate, expansion bolts and perforations, it is convenient to seal the hole of the floor panel body with the steel casing after installation, thereby saving the process of hanging holes, effectively shortening the construction time, and further saving construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a front cross-sectional schematic diagram of the utility model;

[0013] Figure 2 It is a top view schematic diagram of the utility model.

[0014] In the figure: 1. Floor panel body; 2. Floor slab reinforcement; 3. Steel casing; 4. Fixed steel plate; 5. Expansion bolts; 6. Perforations. DETAILED DESCRIPTION

[0015] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2 The utility model provides a technical solution: a rear opening structure of a floor panel, comprising a floor panel body 1, a floor panel steel bar 2 is arranged inside the floor panel body 1, a steel casing 3 is arranged on the outer wall of the floor panel steel bar 2, a fixing steel plate 4 is arranged on the outer wall of the steel casing 3, an expansion bolt 5 is arranged inside the fixing steel plate 4, and a through hole 6 is opened on the outer wall of the steel casing 3. By arranging the floor panel body 1, the floor panel steel bar 2, the steel casing 3, the fixing steel plate 4, the expansion bolt 5 and the through hole 6, it is beneficial for the steel casing 3 to be installed and sealed with the hole of the floor panel body 1 in one step, thereby saving the process of hanging holes, effectively shortening the construction time, and thus saving construction costs.

[0017] Furthermore, the floor slab reinforcement 2 passes through the steel casing 3 through the perforation 6, and the floor slab reinforcement 2 and the steel casing 3 are connected by plug welding, which facilitates the installation of the steel casing 3.

[0018] Furthermore, the steel casing 3 has a “T”-shaped structure when viewed from the front, which facilitates the sealing of the opening of the floor panel body 1 through the steel casing 3 .

[0019] Furthermore, the fixed steel plates 4 are distributed at equal angles along the axial center line of the steel casing 3 , and the fixed steel plates 4 are connected to the floor panel body 1 through expansion bolts 5 , and the expansion bolts 5 are fixed to the inner wall of the floor panel body 1 , which facilitates the fixation of the fixed steel plates 4 .

[0020] During construction, the floor panel body 1 is first broken open with a jackhammer, and the floor panel reinforcement 2 is disconnected. Then, the finished steel casing 3 provided with the perforation 6 is placed in the hole, and the finished steel casing 3 is connected to the floor panel reinforcement 2 through the perforation 6. Finally, the floor panel reinforcement 2 and the steel casing 3 are fixed by plug welding. Then, on the floor panel body 1, the steel casing 3 is welded to the fixed steel plate 4, and the fixed steel plate 4 is fixed to the floor panel body 1 by the expansion bolts 5. Finally, the gap is filled with grout, and a series of construction is completed, which effectively saves the process of hanging holes, thereby shortening the construction time and saving construction costs.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A floor panel rear opening structure, comprising a floor panel body (1), characterized in that: The floor panel body (1) is provided with floor slab reinforcement (2) inside, the outer wall of the floor slab reinforcement (2) is provided with a steel casing (3), the outer wall of the steel casing (3) is provided with a fixing steel plate (4), the fixing steel plate (4) is provided with an expansion bolt (5), and the outer wall of the steel casing (3) is provided with a through hole (6).

2. A floor panel rear opening structure according to claim 1, characterized in that: The floor slab steel bars (2) penetrate the steel casing (3) through the perforations (6), and the floor slab steel bars (2) and the steel casing (3) are connected by plug welding.

3. The rear opening structure of a floor panel according to claim 1, characterized in that: The steel casing (3) has a "T"-shaped structure when viewed from the front.

4. The rear opening structure of a floor panel according to claim 1, characterized in that: The fixing steel plates (4) are distributed at equal angles along the axial center line of the steel casing (3), and the fixing steel plates (4) are connected to the floor panel body (1) via expansion bolts (5).

5. The rear opening structure of a floor panel according to claim 1, characterized in that: The expansion bolts (5) are fixed to the inner wall of the floor panel body (1).

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