Composite floor slab for fabricated concrete module building

Abstract

The utility model belongs to the technical field of composite floor slabs, and discloses a composite floor slab for an assembly type concrete module building, which comprises a concrete bottom plate, four positioning rods are distributed and poured on the front side of the concrete bottom plate in a rectangular shape, and a sound insulation plate and a shock absorption plate are sequentially arranged on the front side of the concrete bottom plate. The sound insulation plate is supported between the corresponding sides of the concrete bottom plate and the damping plate, positioning holes allowing the positioning rods to penetrate through are formed in the surfaces of the sound insulation plate and the damping plate, threads are formed in the side walls of the front ends of the positioning rods, nuts are in threaded connection with the front ends of the positioning rods, and the front side of the damping plate is connected with a decorative plate. By means of the scheme, the defects that when the plates in the single composite floor slab need to be maintained, the corresponding plates cannot be conveniently detached, and maintenance is not convenient enough are overcome.

Description

Technical Field

[0001] This utility model belongs to the field of composite floor slab technology, specifically a composite floor slab used in prefabricated concrete modular buildings. Background Technology

[0002] Composite floor slabs are typically assembled monolithic floor slabs made by stacking precast slabs and cast-in-place reinforced concrete layers. Composite floor slabs have good integrity and are often used in high-rise buildings where high overall rigidity is required. They are also frequently used in prefabricated concrete modular buildings. In order to complete the construction of the building as soon as possible, it is necessary to be able to install the composite floor slabs conveniently.

[0003] Meanwhile, application number CN202320287779.4 discloses a composite floor slab for prefabricated concrete modular buildings, comprising: an upper module, a lower module, and a structural adhesive layer; the bottom plate of the upper module has a conical groove; the top plate of the lower module has a conical shear key adapted to the conical groove; the structural adhesive layer is applied to the top plate of the lower module and the conical shear key. This invention effectively combines the upper and lower slabs of the floor slab through the structural adhesive layer and shear keys, reducing structural self-weight and material waste; the construction of this invention is simple, requiring only the application of the structural adhesive layer to the floor slab surface, avoiding traditional wet work; the structural adhesive layer lubricates the rough surface of the concrete, facilitating module installation and filling small gaps between concrete sections, thus enhancing the function of the shear keys; the self-weight of the upper module automatically generates compressive stress in the structural adhesive layer, allowing the two prefabricated floor slabs to be bonded without the need for prestressing.

[0004] However, the following problems were found in the implementation of the relevant technology: Although the installation of two precast floor slabs can be improved by bonding them without tensioning prestress, the internal panels of a single composite floor slab cannot be easily removed when maintenance is required, making maintenance inconvenient. Utility Model Content

[0005] To address the problems mentioned in the background art, this utility model provides a composite floor slab for prefabricated concrete modular buildings, which has the advantage that when a functional failure is found in the corresponding composite floor slab, the structure on the front side of the concrete base slab can be easily disassembled, making maintenance relatively convenient.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a composite floor slab for prefabricated concrete modular buildings, comprising a concrete base slab, wherein four positioning rods are cast in a rectangular pattern on the front side of the concrete base slab, and a sound insulation plate and a vibration damping plate are sequentially arranged on the front side of the concrete base slab, with the sound insulation plate supported between corresponding sides of the concrete base slab and the vibration damping plate. The surfaces of the sound insulation plate and the vibration damping plate are each constructed with positioning holes for the positioning rods to pass through, the front end sidewall of the positioning rod is constructed with threads, and a nut is screwed to the front end of the positioning rod. A decorative plate is connected to the front side of the vibration damping plate.

[0007] Preferably, the front side of the shock-absorbing plate has two locking strips connected side by side, and the rear side of the decorative plate has a slot for engaging the locking strips.

[0008] Preferably, each of the four rear corners of the decorative panel is fitted with a traceless adhesive sticker, and the traceless adhesive sticker is adhered to the corresponding side of the shock-absorbing plate.

[0009] Preferably, the damping plate has multiple steel bars cast side by side inside, and the steel bars are flush with the corresponding side of the damping plate.

[0010] Preferably, the corresponding sides of the decorative panel, the shock-absorbing panel, the sound-insulating panel, and the concrete base plate are flush.

[0011] Preferably, the top of the concrete base plate has multiple conical shear keys integrally formed side by side, and the bottom of the concrete base plate has multiple conical grooves formed side by side.

[0012] Preferably, the front side of the damping plate has a recessed hole that communicates with the positioning hole, and the nut is located inside the corresponding recessed hole.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model uses four positioning rods on a concrete base plate and nuts to connect and fix the sound insulation board and the vibration damping board. When maintenance is required, simply remove the decorative panel and then unscrew the nuts to remove the sound insulation board and the vibration damping board. Compared with existing composite floor slabs, each panel in this solution can be disassembled, and the disassembly process is simple and maintenance is more convenient.

[0015] 2. This utility model provides sound insulation for buildings through sound insulation panels, effectively reducing indoor noise. Furthermore, a damping plate is added to the front of the sound insulation panel to buffer vibrations and improve structural strength, resulting in a better living experience for the building. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the decorative panel after it has been removed.

[0018] Figure 3 This is a schematic diagram of the concrete base plate of this utility model;

[0019] Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Concrete base slab; 2. Tower conical shear key; 3. Tower conical groove; 4. Sound insulation board; 5. Vibration damping board; 6. Positioning rod; 7. Nut; 8. Clip; 9. Decorative panel; 10. Residual adhesive tape; 11. Recessed hole; 12. Reinforcing bar. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 4 As shown, this utility model provides a composite floor slab for prefabricated concrete modular buildings, including a concrete base slab 1. Four positioning rods 6 are cast in a rectangular shape on the front side of the concrete base slab 1. A sound insulation plate 4 and a vibration damping plate 5 are sequentially arranged on the front side of the concrete base slab 1. The sound insulation plate 4 achieves sound insulation using existing principles, and the vibration damping plate 5 achieves vibration damping using existing principles. The sound insulation plate 4 is supported between the corresponding sides of the concrete base slab 1 and the vibration damping plate 5. The surfaces of the sound insulation plate 4 and the vibration damping plate 5 are constructed with positioning holes (not shown in the figure) for the positioning rods 6 to pass through. The sound insulation plate 4 and the vibration damping plate 5 are connected to the front side of the concrete base slab 1 in this way. The front side wall of the positioning rod 6 is constructed with threads, and the front end of the positioning rod 6 is screwed with a nut 7. The nut 7 is a conventional hexagonal nut, which is convenient for finding replacement parts. The nut 7 cooperates with the positioning rod 6 to lock and fix the vibration damping plate 5. A decorative plate 9 is connected to the front side of the vibration damping plate 5. The front side of the decorative plate 9 faces the residents and can be painted or printed with patterns to enhance the overall aesthetics.

[0023] Specifically, two clips 8 are glued side by side to the front of the damping plate 5, and the rear of the decorative plate 9 has a slot for attaching the clips 8 (not shown in the figure) to fix the decorative plate 9 to the front of the damping plate 5.

[0024] Furthermore, each of the four rear corners of the decorative panel 9 is fitted with a traceless adhesive sticker 10, which is adhered to the corresponding side of the shock-absorbing plate 5, thereby improving the stability of the decorative panel 9 and making it easier to remove the traceless adhesive sticker 10.

[0025] Furthermore, multiple steel bars 12 are cast side by side inside the damping plate 5, which can improve the structural strength of the damping plate 5, thereby increasing the strength of the entire composite floor slab, and the steel bars 12 are flush with the corresponding side of the damping plate 5.

[0026] It is worth noting that the corresponding sides of the decorative panel 9, the damping panel 5, the sound insulation panel 4, and the concrete base plate 1 are flush, making the sides of the composite floor slab flat and facilitating the connection and fixing of multiple composite floor slabs.

[0027] It is worth noting that the top of the concrete base slab 1 is integrally cast with multiple conical shear keys 2, which have higher structural strength. The bottom of the concrete base slab 1 is constructed with multiple conical grooves 3, which are inserted into the corresponding conical grooves 3 when adjacent composite floor slabs are connected and fixed.

[0028] It is worth mentioning that the front side of the damping plate 5 has a recessed hole 11 that communicates with the positioning hole, and the nut 7 is located inside the corresponding recessed hole 11, so as to avoid the nut 7 being exposed and affecting the installation of the decorative plate 9.

[0029] Among them, the sound insulation board 4 and the shock absorption board 5 are existing technologies and will not be described in detail; at the same time, this utility model also includes a power supply, controller and switch, etc., which are not the main technical points of this patent and will not be described in detail; the "front, back, left and right" perspectives of this device are as follows: Figure 1 The direction shown in the diagram is the reference.

[0030] Working principle: Apply structural adhesive to the side wall of the tower conical shear key 2 and the top of the concrete base plate 1, then align the tower conical groove 3 of the adjacent concrete base plate 1 with the tower conical shear key 2 and wait for the structural adhesive to cure. The sound insulation plate 4 and the vibration damping plate 5 on the front side of the concrete base plate 1 respectively improve the sound insulation capacity and structural strength.

[0031] When a functional failure is found in the composite floor slab, simply push forward to remove the decorative panel 9, then unscrew the nuts 7 in the four recessed holes 11 to remove the damping plate 5 and the sound insulation plate 4, and then perform maintenance on the corresponding structure.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A composite floor slab for prefabricated concrete modular buildings, comprising a concrete base slab (1), characterized in that: The front side of the concrete base plate (1) is provided with four positioning rods (6) arranged in a rectangular shape. The front side of the concrete base plate (1) is provided with a sound insulation plate (4) and a vibration damping plate (5) in sequence. The sound insulation plate (4) is supported between the corresponding sides of the concrete base plate (1) and the vibration damping plate (5). The surfaces of the sound insulation plate (4) and the vibration damping plate (5) are provided with positioning holes for the positioning rods (6) to pass through. The front side wall of the positioning rod (6) is provided with threads, and the front end of the positioning rod (6) is screwed with a nut (7). The front side of the vibration damping plate (5) is connected with a decorative plate (9).

2. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The front side of the damping plate (5) is connected with two clips (8), and the rear side of the decorative plate (9) is provided with a slot for the clips (8).

3. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The four rear corners of the decorative panel (9) are each fitted with a traceless adhesive sticker (10), and the traceless adhesive sticker (10) is attached to the corresponding side of the shock-absorbing plate (5).

4. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The damping plate (5) has multiple steel bars (12) cast side by side inside, and the damping plate (5) is flush with the corresponding side of the decorative plate (9).

5. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The corresponding sides of the decorative panel (9), the shock-absorbing panel (5), the sound insulation panel (4), and the concrete base plate (1) are flush.

6. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The top of the concrete base plate (1) is integrally formed with multiple tower-shaped conical shear keys (2) arranged side by side, and the bottom of the concrete base plate (1) is constructed with multiple tower-shaped conical grooves (3) arranged side by side.

7. A composite floor slab for prefabricated concrete modular buildings according to claim 1, characterized in that: The front side of the damping plate (5) has a recess (11) that communicates with the positioning hole, and the nut (7) is located inside the corresponding recess (11).

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