Novel prefabricated concrete composite floor slab

Abstract

The utility model relates to the technical field of constructional engineering, in particular to a novel prefabricated concrete composite floor slab which comprises a first composite floor slab body, a second composite floor slab body and a connecting floor slab body. Clamping blocks are fixedly connected to the front portion and the rear portion of the right end of the first composite floor slab and the front portion and the rear portion of the left end of the second composite floor slab correspondingly, movable grooves are formed in the four clamping blocks correspondingly, and springs are fixedly connected to the inner walls of the four movable grooves correspondingly; the ends, away from the inner wall of the movable groove, of the four springs are fixedly connected with limiting pieces, and the ends, away from the springs, of the four limiting pieces are fixedly connected with limiting blocks. According to the novel prefabricated concrete composite floor slab, two adjacent composite floor slabs can be conveniently spliced, a splicing gap can be eliminated, and the connection sealing performance between the two adjacent composite floor slabs can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering, in particular to a novel prefabricated concrete composite floor slab. Background Art

[0002] In the field of construction, floor construction generally adopts cast-in-place floor, or prefabricated floor, corrugated steel plate composite floor, composite slab, etc. Among them, prefabricated concrete composite floor has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for finishing layer decoration. It is suitable for high-rise buildings and large-span buildings with high requirements for overall rigidity.

[0003] During the use of existing precast concrete composite floor slabs, it is not convenient to splice two adjacent composite floor slabs, and the splicing is not strong and tight enough. Therefore, we have introduced a new type of precast concrete composite floor slab. Utility Model Content

[0004] The main purpose of the utility model is to provide a novel prefabricated concrete composite floor slab, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A novel prefabricated concrete composite floor slab comprises a first composite floor slab, a second composite floor slab and a connecting floor slab, wherein the middle of the right end of the first composite floor slab and the middle of the left end of the second composite floor slab are provided with positioning grooves, the front right end and the rear right end of the first composite floor slab and the front left end and the rear left end of the second composite floor slab are fixedly connected with a clamping block, the inside of the four clamping blocks are provided with movable grooves, the inner walls of the four movable grooves are fixedly connected with springs, and the four springs are away from One end of the inner wall of the movable groove is fixedly connected to a limiting plate, and one end of the four limiting plates away from the spring is fixedly connected to a limiting block. A sealing gasket is provided at the left and right ends of the connecting floor plate, and a positioning block is fixedly connected to the middle of the left end and the middle of the right end of the connecting floor plate. The front left end and the rear left end of the connecting floor plate and the front right end and the rear right end of the connecting floor plate are provided with a locking groove, and the front left part and the front right part of the connecting floor plate and the rear left part and the rear right part of the connecting floor plate are provided with a limiting hole.

[0007] Preferably, the structures of the No. 1 composite floor slab and the No. 2 composite floor slab are the same.

[0008] Preferably, the two positioning blocks are respectively engaged and connected with the two positioning grooves.

[0009] Preferably, the right end of the No. 1 composite floor slab and the left end of the No. 2 composite floor slab are tightly fitted with two sealing gaskets respectively.

[0010] Preferably, the four engaging blocks are respectively engaged and connected with the four engaging grooves.

[0011] Preferably, outer surfaces of the four limiting plates are movably connected to inner walls of four movable grooves respectively, and ends of the four limiting blocks away from the limiting plates are snap-connected to four limiting holes respectively.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Move the No. 1 composite floor slab toward the connecting floor slab while pressing the two limit blocks. The two limit blocks move into the two movable grooves respectively and squeeze the springs through the limit plates. Then, the two engaging blocks on the right side of the No. 1 composite floor slab are respectively engaged into the two engaging grooves on the left side of the connecting floor slab. The two limit blocks are respectively engaged into the corresponding two limit holes under the elastic force of the springs. This makes it convenient for the No. 1 composite floor slab to be installed and connected with the connecting floor slab. The No. 2 composite floor slab is installed on the right side of the connecting floor slab in the same way, so that the two adjacent composite floor slabs can be easily spliced.

[0014] 2. During the splicing process of the No. 1 composite floor slab, the No. 2 composite floor slab and the connecting floor slab, the two positioning blocks are respectively inserted into the two positioning grooves, so that the connection stability can be improved. At the same time, sealing gaskets are arranged at the splicing points of the No. 1 composite floor slab, the No. 2 composite floor slab and the connecting floor slab, which can not only eliminate the assembly gap, but also improve the sealing of the connection between each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a new type of prefabricated concrete composite floor slab of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of a No. 1 composite floor slab of a new type of prefabricated concrete composite floor slab of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of a new type of prefabricated concrete composite floor slab connected to the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the internal structure of a snap-fit ​​block of a novel prefabricated concrete composite floor slab.

[0019] In the figure: 1. Composite floor No. 1; 2. Composite floor No. 2; 3. Connecting floor; 4. Positioning groove; 5. Engaging block; 6. Movable groove; 7. Spring; 8. Limiting plate; 9. Limiting block; 10. Sealing pad; 11. Positioning block; 12. Engaging groove; 13. Limiting hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A novel prefabricated concrete composite floor slab comprises a first composite floor slab 1, a second composite floor slab 2, and a connecting floor slab 3. A positioning groove 4 is provided at the middle of the right end of the first composite floor slab 1 and the middle of the left end of the second composite floor slab 2. A clamping block 5 is fixedly connected to the front right end and the rear right end of the first composite floor slab 1 and the front left end and the rear left end of the second composite floor slab 2. A movable groove 6 is provided inside the four clamping blocks 5. The inner walls of the four movable grooves 6 are fixedly connected to springs 7. The four springs 7 are away from the movable grooves. One end of the inner wall of the groove 6 is fixedly connected to a limiting plate 8, and the ends of the four limiting plates 8 away from the spring 7 are fixedly connected to a limiting block 9. A sealing gasket 10 is provided at the left and right ends of the connecting floor 3, and a positioning block 11 is fixedly connected to the middle of the left end and the middle of the right end of the connecting floor 3. The front left end and the rear left end of the connecting floor 3 and the front right end and the rear right end of the connecting floor 3 are provided with a locking groove 12, and the front left part and the front right part of the connecting floor 3 and the rear left part and the rear right part of the connecting floor 3 are provided with a limiting hole 13.

[0025] In this embodiment, the structures of composite floor slab No. 1 and composite floor slab No. 2 are the same, the two positioning blocks 11 are respectively engaged with the two positioning grooves 4, the right end of composite floor slab No. 1 and the left end of composite floor slab No. 2 are respectively tightly fitted with two sealing gaskets 10, and sealing gaskets 10 are provided at the joints between composite floor slab No. 1 and composite floor slab No. 2 and the connecting floor slab 3, which can not only eliminate the assembly gap but also improve the connection sealing between them.

[0026] In this embodiment, the four locking blocks 5 are respectively locked with the four locking grooves 12, the outer surfaces of the four limiting plates 8 are respectively movably connected with the inner walls of the four movable grooves 6, and the ends of the four limiting blocks 9 away from the limiting plates 8 are respectively locked with the four limiting holes 13. The two locking blocks 5 on the right side of the No. 1 composite floor 1 are respectively locked into the two locking grooves 12 on the left side of the connecting floor 3, and the two limiting blocks 9 are respectively locked into the corresponding two limiting holes 13 under the elastic reset of the spring 7, so that the No. 1 composite floor 1 can be conveniently installed and connected with the connecting floor 3, and the No. 2 composite floor 2 is installed on the right side of the connecting floor 3 in the same way, so that the two adjacent composite floors can be conveniently spliced.

[0027] It should be noted that the utility model is a novel precast concrete composite floor slab. During use, the composite floor slab No. 1 is moved toward the direction of the connecting floor slab 3, and the two limit blocks 9 are pressed at the same time. The two limit blocks 9 are respectively moved into the two movable grooves 6 and squeeze the spring 7 through the limit plate 8. Then, the two engaging blocks 5 on the right side of the composite floor slab No. 1 are respectively engaged in the two engaging grooves 12 on the left side of the connecting floor slab 3. The two limit blocks 9 are respectively engaged in the corresponding two limit holes 13 under the elastic reset of the spring 7, so that the composite floor slab No. 1 is It is installed and connected with the connecting floor 3. The second composite floor 2 is installed on the right side of the connecting floor 3 in the same way, so that the two adjacent composite floors are convenient to splice. During the splicing of the first composite floor 1 and the second composite floor 2 with the connecting floor 3, the two positioning blocks 11 are respectively snapped into the two positioning grooves 4, so that the connection stability can be improved. At the same time, sealing gaskets 10 are arranged at the joints of the first composite floor 1 and the second composite floor 2 with the connecting floor 3, which can not only eliminate the assembly gap, but also improve the connection sealing between each other.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel prefabricated concrete composite floor slab, comprising a first composite floor slab (1), a second composite floor slab (2), and a connecting floor slab (3), characterized in that: The middle part of the right end of the No. 1 composite floor slab (1) and the middle part of the left end of the No. 2 composite floor slab (2) are both provided with positioning grooves (4); the front part and the rear part of the right end of the No. 1 composite floor slab (1) and the front part and the rear part of the left end of the No. 2 composite floor slab (2) are both fixedly connected with engaging blocks (5); the insides of the four engaging blocks (5) are each provided with movable grooves (6); the inner walls of the four movable grooves (6) are each fixedly connected with springs (7); and the ends of the four springs (7) away from the inner walls of the movable grooves (6) are each fixedly connected with a limiting plate (8) ), one end of the four limit plates (8) away from the spring (7) is fixedly connected to a limit block (9), the left and right ends of the connecting floor plate (3) are provided with sealing pads (10), the middle of the left end and the middle of the right end of the connecting floor plate (3) are fixedly connected to positioning blocks (11), the front left end and the rear left end of the connecting floor plate (3) and the front right end and the rear right end of the connecting floor plate (3) are provided with engaging grooves (12), and the front left and the right front end of the connecting floor plate (3) and the rear left and the right rear end of the connecting floor plate (3) are provided with limit holes (13).

2. A novel precast concrete composite floor slab according to claim 1, characterized in that: The first composite floor slab (1) and the second composite floor slab (2) have the same structure.

3. The novel precast concrete composite floor slab according to claim 1 is characterized in that: The two positioning blocks (11) are respectively engaged and connected with the two positioning grooves (4).

4. The novel precast concrete composite floor slab according to claim 1 is characterized in that: The right end of the No. 1 composite floor slab (1) and the left end of the No. 2 composite floor slab (2) are respectively tightly fitted with two sealing pads (10).

5. The novel precast concrete composite floor slab according to claim 1 is characterized in that: The four engaging blocks (5) are respectively engaged and connected with the four engaging grooves (12).

6. The novel precast concrete composite floor slab according to claim 1 is characterized in that: The outer surfaces of the four limiting plates (8) are movably connected to the inner walls of the four movable grooves (6), and the ends of the four limiting blocks (9) away from the limiting plates (8) are respectively engaged and connected to the four limiting holes (13).

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