Flush type splicing mechanism and prefabricated floor slab
By designing the 'n'-shaped splice joints with overlapping notches and connecting parts, the problem of levelness during the assembly of precast floor slabs was solved, achieving flush splicing and positioning, thus improving splicing efficiency and building quality.
Patent Information
- Application Number
- CN202520099259.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The lack of positioning structure during the assembly of existing precast floor slabs makes it difficult to ensure levelness, affecting splicing efficiency and building quality.
The system adopts a flush splicing mechanism with splicing parts in an 'n' shape. The design of the overlap gap and connection part ensures that the spliced parts remain flush, and the installation part matches the thickness of the plate to form a lateral limit.
It improves the levelness and efficiency of precast floor slab splicing, ensures building quality, avoids movement during pouring, and enhances the overall construction effect.
Smart Images
Figure CN223824426U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of building materials, especially a flush type splicing mechanism and prefabricated floor slab. BACKGROUND
[0002] At present, all building components and connecting pieces are manufactured in the factory and installed on site, and the biggest problem is how to ensure the integrity of the prefabricated floor slab system. In order to achieve this goal, the current overall assembly type building mostly uses cast-in-situ concrete floor slab, concrete composite floor slab and profiled steel plate concrete composite floor slab. The biggest advantage of these methods is good integrity, but there are a lot of wet work and long construction period, which has become a constraint of the assembly type structure.
[0003] The existing prefabricated floor slab is hoisted to the appropriate position by a hoisting machine, and then a plurality of prefabricated floor slabs are placed in a straight line, and then the gaps between the plurality of prefabricated floor slabs are filled with concrete to complete the splicing of the plurality of prefabricated floor slabs. However, this splicing method still has certain defects, such as lacking positioning structure, the horizontal degree of the prefabricated floor slab needs to be observed by human eyes, and the center lines of each prefabricated floor slab cannot be guaranteed to coincide, thereby affecting the splicing efficiency and building quality. SUMMARY
[0004] Therefore, the technical problem to be solved by the utility model is how to ensure the horizontal degree of the prefabricated floor slab during splicing.
[0005] The above technical problem is solved by the following technical scheme: the utility model provides a flush type splicing mechanism, which comprises two splicing pieces that are spliced with each other; the splicing piece is in the shape of "n", and comprises a mounting portion, a connecting portion provided at one end of the mounting portion, and a splicing portion provided at the end of the connecting portion away from the mounting portion, and a splicing port is formed between the mounting portion, the connecting portion and the splicing portion; a lap joint notch is arranged on the splicing portion of one of the splicing pieces, the lap joint notch is in the shape of "u", and the lap joint notch is located at the end of the splicing portion away from the connecting portion, and the depth of the lap joint notch is the same as the thickness of the connecting portion of the other splicing piece.
[0006] In a preferred embodiment of the flush type splicing mechanism: the width of the lap joint notch on the splicing piece is the same as the width of the connecting portion on the other splicing piece.
[0007] In a preferred embodiment of the flush type splicing mechanism: the size of the splicing portion on the splicing piece is adapted to the size of the splicing port on the other splicing piece.
[0008] In a preferred embodiment of the flush type splicing mechanism: the lengths of the mounting portions on the two splicing pieces are the same.
[0009] In a preferred embodiment of the flush type splicing mechanism, the mounting portion, the connecting portion and the splicing portion are integrated.
[0010] The prefabricated floor slab comprises the splicing mechanism and further comprises a plate body, two splicing pieces are arranged on two sides of the plate body respectively, and the length of the mounting portion is the same as the thickness of the plate body.
[0011] In a preferred embodiment of the prefabricated floor slab, a plurality of grooves are arranged on the upper surface of the plate body, the plurality of grooves are arranged uniformly along the width direction of the plate body, and the grooves penetrate through both sides of the plate body.
[0012] In a preferred embodiment of the prefabricated floor slab, a plurality of truss steels are arranged on the upper surface of the plate body, the plurality of truss steels are arranged uniformly along the width direction of the plate body, and the truss steels and the grooves are arranged alternately.
[0013] In a preferred embodiment of the prefabricated floor slab, a plurality of internal steels are arranged in the plate body, and the plurality of internal steels are arranged uniformly along the width direction of the plate body.
[0014] In a preferred embodiment of the prefabricated floor slab, the upper surface of the plate body is a rough surface.
[0015] The prefabricated floor slab has the advantages that the splicing pieces are arranged on both sides of the plate body, the splicing between the prefabricated floor slabs is facilitated, the upper lap joint notch of one splicing piece is matched with the connecting portion of another splicing piece, the length of the mounting portion is the same as the thickness of the plate body, the prefabricated floor slabs are kept flush after splicing, the two prefabricated floor slabs are horizontally limited, the prefabricated floor slabs are prevented from moving during pouring of concrete, and the quality of subsequent buildings is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, and are not a limitation on the present application. Among them:
[0017] Figure 1 The overall structure schematic diagram of the splicing mechanism is shown;
[0018] Figure 2 The structure schematic diagram of the splicing piece when splicing is shown;
[0019] Figure 3 The overall structure diagram of the prefabricated floor slab is shown;
[0020] Figure 4 The structure schematic diagram of the prefabricated floor slab when splicing is shown;
[0021] Figure 5 The structure schematic diagram after splicing and pouring concrete between prefabricated floor slabs is shown. DETAILED DESCRIPTION
[0022] In order for those skilled in the art to have a better understanding of the present application, the present application will be further described in detail below in conjunction with specific embodiments and drawings.
[0023] The terms used in the present application are those general terms currently widely used in the art in consideration of the functions regarding the present application, but the terms can be changed according to the intention of those skilled in the art, precedents, or new technology in the art. In addition, specific terms can be selected by the applicant, and in this case, the detailed meanings thereof will be described in the detailed description of the present application. Therefore, the terms used in the specification should not be understood as mere names, but based on the meanings of the terms and the overall description of the present application.
[0024] REFERENCE Figure 1 The present embodiment provides a flush type splicing mechanism, comprising two splicing pieces 1 spliced with each other;
[0025] The splicing piece 1 is in the shape of "n", and the splicing piece 1 comprises a mounting portion 11, the mounting portion 11 is provided with a connecting portion 12 at one end, the connecting portion 12 is provided with a splicing portion 13 at an end away from the mounting portion 11, and a splicing port 14 is formed between the mounting portion 11, the connecting portion 12 and the splicing portion 13;
[0026] The splicing portion 13 of one of the splicing pieces 1 is provided with a lap joint notch 15, the lap joint notch 15 is in the shape of "u", and the lap joint notch 15 is located at an end of the splicing portion 13 away from the connecting portion 12, and the depth of the lap joint notch 15 is the same as the thickness of the connecting portion 12 of the other splicing piece 1.
[0027] As shown in Figure 1 and Figure 2 The two splicing pieces 1 are both in the shape of "n", one of the splicing pieces 1 is placed in the forward direction, and the other is placed in the reverse direction when splicing, specifically, the splicing portion 13 of the splicing piece 1 is placed in the splicing port 14 of the other splicing piece 1, and the lap joint notch 15 contains the connecting portion 12 of the other splicing piece 1.
[0028] Due to the lap joint notch 15 provided on one of the splicing pieces 1 to contain the connecting portion 12 of the other splicing piece 1, and the depth of the lap joint notch 15 is the same as the thickness of the connecting portion 12 of the other splicing piece 1, so that the two splicing pieces 1 remain flush after splicing.
[0029] As shown in Figure 1As shown, in one embodiment provided in this application, the width of the overlap notch 15 on the splice 1 is the same as the width of the connecting portion 12 on another splice 1.
[0030] Since the overlap notch 15 is "U" shaped and the width of the overlap notch 15 is the same as the width of the connecting part 12 on the other splice 1, after the two splice 1s are spliced, the overlap notch 15 and the connecting part 12 of the other splice 1 cooperate to mutually limit the two splice 1s and prevent the two splice 1s from moving laterally during subsequent pouring.
[0031] like Figure 1 As shown, in one embodiment provided in this application, the feature is that the size of the splicing part 13 on the splicing component 1 is adapted to the size of the splicing interface 14 on another splicing component 1.
[0032] Specifically, the length of the splicing part 13 is the same as the depth of the splicing interface 14 on the other splicing part 1. After splicing, the end of the splicing part 13 abuts against the connecting part 12 of the other splicing part 1 to ensure the firmness after splicing. The width of the splicing part 13 can be equal to or less than the width of the splicing interface 14. When the width of the splicing part 13 is less than the width of the splicing interface 14, the concrete fills the gap between the splicing interface 14 and the splicing part 13 when pouring concrete.
[0033] In some embodiments, the mounting portions 11 on the two splicing parts 1 are of the same length.
[0034] The mounting parts 11 are of the same length, so that the upper and lower ends of the two splicing parts 1 remain flush after splicing.
[0035] like Figure 1 As shown, in some embodiments, the mounting part 11, the connecting part 12, and the splicing part 13 are an integral structure.
[0036] like Figure 3 As shown, a precast floor slab includes an upper splicing mechanism, and also includes,
[0037] The plate 2 has two splicing parts 1 respectively located on both sides of the plate 2, and the length of the mounting part 11 is the same as the thickness of the plate 2.
[0038] like Figures 3-5 As shown, multiple splicing parts 1 can be set on each side of the slab 2, and corresponding splicing parts 1 are set on the other side of the slab 2. When multiple precast floor slabs are spliced together, they are spliced together by the splicing parts 1 on both sides of the slab 2. After splicing, since the upper and lower ends of the splicing parts 1 are kept flush after splicing, and the length of the installation part 11 is the same as the thickness of the slab 2, multiple precast floor slabs are kept flush after splicing, which improves splicing efficiency and ensures the quality of subsequent construction. After the precast floor slabs are spliced, concrete is poured on the upper part of the precast floor slabs to fill the gaps between the precast floor slabs and fix the precast floor slabs together.
[0039] As Figure 3 shown, as an optional embodiment, the upper surface of the plate body 2 is provided with a plurality of grooves 21, the plurality of grooves 21 are uniformly arranged along the width direction of the plate body 2, and the grooves 21 penetrate through both sides of the plate body 2.
[0040] As Figure 3 shown, as an optional embodiment, the upper surface of the plate body 2 is provided with a plurality of truss steel bars 22, the plurality of truss steel bars 22 are uniformly arranged along the width direction of the plate body 2, and the truss steel bars 22 and the grooves 21 are staggered.
[0041] The arrangement of the truss steel bars 22 and the grooves 21 facilitates the hoisting of the prefabricated floor slab during splicing.
[0042] As Figure 3 shown, in some embodiments, the plate body 2 is provided with a plurality of inner steel bars 23 inside, and the plurality of inner steel bars 23 are uniformly arranged along the width direction of the plate body 2.
[0043] The arrangement of the inner steel bars 23 improves the strength of the prefabricated floor slab.
[0044] As Figure 3 and Figure 5 shown, as an optional embodiment, the upper surface of the plate body 2 is a rough surface.
[0045] The rough surface of the upper surface of the plate body 2 improves the contact strength after the concrete is poured.
[0046] Since the splicing piece 1 is arranged on both sides of the plate body 2, the splicing between the prefabricated floor slabs is facilitated, through the cooperation of the overlapping notch 15 on the splicing piece 1 and the connecting part 12 on the other splicing piece 1, and the length of the mounting part 11 is the same as the thickness of the plate body 2, on the one hand, the prefabricated floor slabs after splicing are kept flush, on the other hand, the two prefabricated floor slabs form a horizontal limit, avoiding moving during pouring concrete, thereby ensuring the quality of the subsequent building.
[0047] Finally, it should be pointed out that the above detailed description of the method and device is only an embodiment, and those skilled in the art can modify the embodiment in different ways without departing from the scope of the present application.
Claims
1. A flush splicing mechanism, characterized in that: It includes two splicing components (1) that are spliced together; The splicing component (1) is in the shape of an "n". The splicing component (1) includes a mounting part (11). A connecting part (12) is provided at one end of the mounting part (11). A splicing part (13) is provided at the end of the connecting part (12) away from the mounting part (11). The mounting part (11), the connecting part (12) and the splicing part (13) form a splicing interface (14). One of the splicing parts (1) has an overlap notch (15) on its splicing part (13). The overlap notch (15) is "U" shaped and is located at the end of the splicing part (13) away from the connecting part (12). The depth of the overlap notch (15) is the same as the thickness of the connecting part (12) on the other splicing part (1).
2. The flush splicing mechanism according to claim 1, characterized in that: The width of the overlap notch (15) on the splice (1) is the same as the width of the connecting part (12) on the other splice (1).
3. The flush splicing mechanism according to claim 2, characterized in that: The size of the splicing part (13) on the splicing component (1) is adapted to the size of the splicing interface (14) on the other splicing component (1).
4. The flush splicing mechanism according to claim 3, characterized in that: The mounting portions (11) on the two splicing parts (1) are of the same length.
5. The flush splicing mechanism according to claim 4, characterized in that: The mounting part (11), the connecting part (12), and the splicing part (13) are an integral structure.
6. A precast floor slab, characterized in that: Including the splicing mechanism as described in any one of claims 1 to 5, and further comprising, The plate (2) has two splicing parts (1) respectively disposed on both sides of the plate (2), and the length of the mounting part (11) is the same as the thickness of the plate (2).
7. The precast floor slab according to claim 6, characterized in that: The upper surface of the plate (2) is provided with a plurality of grooves (21), and the plurality of grooves (21) are evenly spaced along the width direction of the plate (2), and the grooves (21) penetrate through both sides of the plate (2).
8. The precast floor slab according to claim 7, characterized in that: The upper surface of the plate (2) is provided with a plurality of truss steel bars (22), which are evenly spaced along the width direction of the plate (2), and the truss steel bars (22) and the groove (21) are arranged alternately.
9. The precast floor slab according to claim 8, characterized in that: The plate (2) is provided with a plurality of internal steel bars (23), which are evenly spaced along the width direction of the plate (2).
10. The precast floor slab according to claim 9, characterized in that: The upper surface of the plate (2) is rough.