Adjustable template for house building engineering cavity floor slab

By incorporating a fixed groove on the bamboo formwork and an adjustable PVC board design, the problem of mismatch between traditional formwork and hollow floor slabs is solved, achieving efficient molding and stability of the ribbed hollow floor slab, and reducing grout leakage and environmental pollution.

CN223661360UActive Publication Date: 2025-12-12CHINA CONSTR THIRD ENG BUREAU GRP CO LTD +1
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Patent Information

Application Number
CN202423301051.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In current building construction, traditional formwork specifications do not fit the ribbed hollow slabs, making it difficult to control flatness, causing frequent grout leakage, unstable installation, high cost of subsequent grinding, and significant environmental impact.

Method used

An adjustable template is designed, which uses bamboo template with fixed grooves and PVC board, and is fixed by adhesive backing and strip punching. Support legs and support bases enhance stability and adapt to the cavity floor structure. The position of the PVC board can be adjusted to form a cavity structure.

Benefits of technology

It effectively prevents grout leakage and improves molding quality, enhances the stability and flatness of the template, reduces post-grinding costs, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an adjustable formwork for a house building engineering cavity floor slab, which relates to the technical field of building construction and comprises a support plate, a bamboo formwork is fixedly mounted on the upper surface of the support plate, a plurality of fixing grooves arranged at equal intervals are formed in the upper surface of the bamboo formwork, and the bamboo formwork is fixedly mounted on the support plate. The inner bottom wall of each fixing groove is bonded with a plurality of PVC plates through back glue, and the outer surface of each PVC plate is provided with a plurality of strip-shaped pricking holes arranged at equal intervals. According to the cavity floor slab for the house building engineering, the bamboo formworks are made of plywood raw materials, the flatness of the bamboo formworks can be effectively guaranteed, the situations of mortar leakage and mortar runout can be effectively avoided, the fixing grooves are formed in the upper surfaces of the bamboo formworks, the PVC plates can be fixed through the fixing grooves, the fixing efficiency of the PVC plates is greatly improved, and the practicability of the cavity floor slab is improved. According to the device, the position of the PVC plate can be adjusted according to the structure of the cavity floor slab, the device has high working efficiency, and the forming quality of the dense rib cavity floor slab can be improved.
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Description

Technical Field

[0001] This utility model relates to an adjustable template for hollow floor slabs in building construction projects, belonging to the field of building construction technology. Background Technology

[0002] In my country's construction industry, the materials and specifications for formwork are basically standardized. Currently, the most common bamboo plywood formwork on the market is 915*1830 and 1220*2440. For the construction of ribbed hollow slabs, traditional formwork is difficult to control due to the mismatch between the board surface and the hollow slab components, resulting in unevenness at the bottom of the components or the formwork itself. In addition, the disturbance of concrete during construction causes slurry to appear at the bottom of the hollow slab, requiring subsequent grinding. The traditional 915*1830 and 1220*2440 formwork has poor support effect on hollow components in projects, and its stability and flatness are unreliable.

[0003] The flatness of existing templates is difficult to control after reuse, and concrete pouring is prone to leakage and runoff. The subsequent grinding and cleaning is costly and the grinding dust has a significant impact on the environment. In addition, it is incompatible with the cavity floor slab, and the installation and positioning of the cavity floor slab are not fixed. Therefore, we provide an adjustable template for cavity floor slabs in building construction projects to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides an adjustable template for hollow floor slabs in building construction projects. The specific technical solution is as follows:

[0005] An adjustable template for hollow floor slabs in building construction includes a support plate. A bamboo template is fixedly installed on the upper surface of the support plate. The upper surface of the bamboo template has several equally spaced fixing grooves. The inner bottom wall of each fixing groove is bonded with several PVC boards by adhesive backing. The outer surface of each PVC board has several equally spaced strip-shaped perforations. A number of equally spaced support legs are fixedly installed on the bottom surface of the support plate. A support base is fixedly installed on the bottom surface of each support leg.

[0006] Preferably, the fixing grooves on the upper surface of the bamboo template are crisscrossed, and a cavity component is installed in the space formed by every four PVC boards.

[0007] Preferably, the depth of each fixing groove is 5mm and the width of each fixing groove is 3mm.

[0008] Preferably, the width and length of the bamboo template are both 1200mm.

[0009] Preferably, each of the PVC boards has an adhesive backing on its outer surface above the fixing groove.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] This formwork for building construction uses bamboo formwork made from plywood, which effectively ensures the flatness of the bamboo formwork and avoids grout leakage. By opening fixing grooves on the upper surface of the bamboo formwork, the PVC board can be firmly fixed, greatly accelerating the fixing efficiency of the PVC board. This device can adjust the position of the PVC board according to the structure of the cavity floor slab. This device has high working efficiency and can greatly improve the forming quality of the ribbed cavity floor slab. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural schematic diagram of the front view of this utility model;

[0013] Figure 2 This is a three-dimensional structural schematic diagram of the cylindrical body of this utility model from a top view.

[0014] Figure 3 This is a three-dimensional structural schematic diagram of the bamboo template in this utility model, viewed from top view.

[0015] Figure 4 for Figure 1 Enlarged structural diagram at point A in the middle.

[0016] Attached diagram descriptions: 1. PVC board; 2. Bamboo template; 3. Support board; 4. Support leg; 5. Support base; 6. Fixing groove; 7. Strip-shaped perforation; 8. Hollow component. Detailed Implementation

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] 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.

[0019] Please see Figure 1-4In this utility model, an adjustable template for cavity floor slabs in building construction includes a support plate 3. A bamboo template 2 is fixedly installed on the upper surface of the support plate 3. The upper surface of the bamboo template 2 has several equally spaced fixing grooves 6. The inner bottom wall of each fixing groove 6 is bonded with several PVC boards 1 by adhesive backing. The outer surface of each PVC board 1 has several equally spaced strip-shaped perforations 7. The bottom surface of the support plate 3 has several equally spaced support legs 4. The bottom surface of each support leg 4 is fixedly installed with a support seat 5. The bamboo template 2 is made of plywood. The equally spaced fixing grooves 6 on the upper surface of the bamboo template 2 facilitate the fixing of the PVC boards 1. The strip-shaped perforations 7 on the outer surface of the PVC boards 1 allow concrete to flow through the perforations 7 during concrete pouring. The support plate 3 supports the bamboo template 2. The multiple support legs 4 together lift the support plate 3 to a certain height. The multiple support seats 5 increase the contact area between the device and the ground, allowing the concrete to be poured smoothly.

[0020] The upper surface of the bamboo template 2 has crisscrossing fixing grooves 6. A cavity component 8 is installed within each space formed by four PVC boards 1. The crisscrossing fixing grooves 6 on the upper surface of the bamboo template 2 facilitate the fixing of the PVC boards 1. The cavity component 8 is installed within each space enclosed by four PVC boards 1 and bonded to the PVC boards 1 with adhesive, creating a cavity structure during concrete pouring. Each fixing groove 6 is 5mm deep and 3mm wide. The 5mm deep and 3mm wide fixing grooves 6 securely hold two PVC boards 1 in place, preventing them from tilting during concrete pouring. The width and length of the bamboo template 2 are both 1200mm. Each PVC board 1 has adhesive backing on its outer surface above the fixing groove 6. This adhesive backing firmly bonds two adjacent PVC boards 1 together. After concrete pouring, workers can break off and recycle the PVC boards 1 along the dividing lines carved on their outer surface.

[0021] The working principle of this utility model is as follows:

[0022] When using it, the workers first apply adhesive to the outer surface of the PVC board 1, then insert the bottom end of the PVC board 1 into the inside of the fixing groove 6, and then glue two adjacent PVC boards 1 together. Then, the workers glue the cavity component 8 to four adjacent PVC boards 1 in turn. Then, the workers can pour concrete from above the bamboo formwork 2. After the cavity floor slab has cooled and formed, the workers can break off the PVC boards 1 in turn and recycle them.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0025] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these embodiments will all fall within the protection scope of the claims of this utility model.

Claims

1. An adjustable formwork for hollow floor slabs in building construction, comprising a support plate (3), characterized in that: The upper surface of the support plate (3) is fixedly installed with a bamboo template (2). The upper surface of the bamboo template (2) is provided with a number of equally spaced fixing grooves (6). The inner bottom wall of each fixing groove (6) is bonded with a number of PVC boards (1) by adhesive backing. The outer surface of each PVC board (1) is provided with a number of equally spaced strip-shaped punch holes (7). The bottom surface of the support plate (3) is fixedly installed with a number of equally spaced support legs (4). The bottom surface of each support leg (4) is fixedly installed with a support base (5).

2. The adjustable template for hollow floor slabs in building construction according to claim 1, characterized in that: The fixing grooves (6) on the upper surface of the bamboo template (2) are crisscrossed, and a cavity component (8) is installed in the space formed by each of the four PVC boards (1).

3. An adjustable formwork for cavity floor slabs in building construction according to claim 1, characterized in that: The depth of each of the fixing grooves (6) is 5 mm and the width of each of the fixing grooves (6) is 3 mm.

4. An adjustable formwork for cavity floor slabs in building construction according to claim 1, characterized in that: The width and length of the bamboo template (2) are both 1200mm.

5. An adjustable formwork for hollow floor slabs in building construction according to claim 1, characterized in that: Each of the PVC boards (1) has an adhesive backing on its outer surface above the fixing groove (6).