Splicing and fixing device for fair-faced concrete formworks
By using an integrated installation method with left and right steel pipes and screw assemblies on fair-faced concrete formwork, the problem of cumbersome formwork splicing and fixing process is solved, achieving efficient and stable formwork fixing, and improving construction efficiency and appearance quality.
Patent Information
- Application Number
- CN202520601910.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-01
AI Technical Summary
The existing process of splicing and fixing fair-faced concrete formwork is cumbersome, which seriously restricts construction efficiency.
The device includes a left steel pipe, a right steel pipe, a screw assembly, and a locking nut. Multiple equidistant connecting screws are installed at one time, and a double limit is formed by the limit plate and bolts to ensure the reliability of the fixation.
It improves the installation efficiency of template splicing, shortens construction time, enhances the stability and reliability of fixing devices, reduces splicing errors, and improves construction progress and appearance quality.
Smart Images

Figure CN223952250U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of template splicing technology, specifically to a fair-faced concrete template splicing and fixing device. Background Technology
[0002] In the field of construction engineering, fair-faced concrete, with its unique natural texture and aesthetic appeal, is increasingly widely used in various construction projects. The construction of fair-faced concrete places extremely high demands on the quality of the formwork splicing and fixing, as the splicing effect directly affects the final quality and appearance of the poured concrete.
[0003] Chinese patent publication number CN214739938U discloses a tie rod for fixing fair-faced concrete formwork, including a screw rod and a sleeve. The outer wall of the screw rod is provided with external threads. The two ends of the sleeve are provided with limiting plates perpendicular to the sleeve. The limiting plates are connected to the sleeve by threads. The two ends of the screw rod are provided with limiting blocks, which are connected to the screw rod by threads.
[0004] The aforementioned patents can solve the corresponding technical problems, but there are still drawbacks in actual use:
[0005] The above-mentioned reinforcement process of fair-faced concrete formwork requires inserting tie rods one by one into the corresponding formwork holes, and then tightening and fixing both ends of the tie rods one by one. The disassembly process is the same: first remove the clamping parts at both ends of the tie rods, and then take out each tie rod in turn. This process of installing the tie rods one by one and tightening the nuts is extremely cumbersome and seriously restricts the construction efficiency. Utility Model Content
[0006] The purpose of this invention is to provide a concrete formwork splicing and fixing device to solve the problem that the existing formwork splicing and fixing process is extremely cumbersome and seriously restricts construction efficiency.
[0007] To achieve the above objectives, the main technical solution adopted by this utility model includes: a fair-faced concrete formwork splicing and fixing device, comprising: a left steel pipe and a right steel pipe respectively attached to the left and right sides of the outside of the fair-faced concrete formwork, wherein the left steel pipe and the right steel pipe are connected and fixed by a screw assembly.
[0008] As a preferred technical solution, the screw assembly includes a mounting rod, a plurality of connecting screws, and locking nuts that are respectively used in conjunction with the plurality of connecting screws;
[0009] Among them, a plurality of the connecting screw is installed equidistantly on the mounting rod, the left steel pipe and the right steel pipe are aligned and provided with the same number of through holes as the connecting screw, one end of the connecting screw passes through the through hole on the left steel pipe, the template eye on the template and the through hole on the right steel pipe in sequence, and the end of the connecting screw extending out of the right steel pipe is fixed by the locking nut.
[0010] As a preferred technical scheme, the first pad plate is fixedly sleeved on one end of the connecting screw close to the left steel pipe, and one end of the first pad plate is crimped on the outer side of the left steel pipe.
[0011] As a preferred technical scheme, the second pad plate is arranged between the locking nut and the outer side of the right steel pipe, the second pad plate is movably sleeved on the connecting screw, and two adjacent second pad plates are connected and fixed through the connecting rod.
[0012] As a preferred technical scheme, the threaded groove is formed in the mounting rod, and one end of the connecting screw is screw-mounted in the threaded groove.
[0013] As a preferred technical scheme, the limiting plate is further arranged, a plurality of insertion holes for the connecting screw to pass through are formed in the limiting plate, the plurality of insertion holes of the limiting plate are sleeved on the plurality of connecting screws respectively, the inner side of the limiting plate abuts against the outer end of the locking nut, and the limiting plate is fixed on the right steel pipe through the bolt.
[0014] The clear concrete formwork splicing fixing device has at least the following beneficial effects:
[0015] The clear concrete formwork splicing fixing device provided by the utility model is integrated into one whole body through the plurality of connecting screws installed equidistantly on the mounting rod, so that the installer can complete the installation of the plurality of connecting screws at one time in the installation process, the installation efficiency is effectively improved, and in particular, in the large-area formwork splicing project, the integrated installation mode can significantly shorten the construction time, speed up the construction progress, and is convenient for the installer to operate.
[0016] The insertion holes formed in the limiting plate are sleeved on the connecting screw and abut against the outer end of the locking nut, and the limiting plate is fixed on the right steel pipe through the bolt, so that the double limiting effect of the locking nut is formed, the locking nut is further prevented from loosening, and the reliability of the fixing device is ensured. DRAWINGS
[0017] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
[0018] Fig. 1 A reinforcing template schematic view of the fair-faced concrete formwork splicing and fixing device of the present application;
[0019] Fig. 2 A whole three-dimensional connection structure schematic view of the fair-faced concrete formwork splicing and fixing device of the present application;
[0020] Fig. 3 An exploded view of the fair-faced concrete formwork splicing and fixing device of the present application;
[0021] Fig. 4 An installation rod and connecting screw connecting structure schematic view of the fair-faced concrete formwork splicing and fixing device of the present application.
[0022] BRIEF DESCRIPTION OF THE DRAWINGS
[0023] 1, left steel pipe; 2, right steel pipe; 3, through hole; 4, installation rod; 401, threaded groove; 5, connecting screw; 501, first gasket; 502, locking nut; 6, second gasket; 601, connecting rod; 7, limiting plate; 701, bolt; 8, formwork. DETAILED DESCRIPTION
[0024] The embodiments of the present application will be described in detail hereinafter with reference to the drawings and embodiments, so that the implementation process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
[0025] EMBODIMENT
[0026] Please refer to Figs. 1 to 4 The present embodiment provides a fair-faced concrete formwork splicing and fixing device, which comprises: left steel pipe 1 and right steel pipe 2 respectively attached to the left and right sides outside the formwork 8 for fair-faced concrete, the left steel pipe 1 and the right steel pipe 2 are connected and fixed through the screw rod assembly, the screw rod assembly enables the construction personnel to complete the installation operation of multiple connecting screws 5 at one time without positioning and threading each connecting screw 5 during the installation process, effectively improving the installation efficiency and facilitating the operation of the construction personnel.
[0027] The screw rod assembly comprises a mounting rod 4, a plurality of connecting screw rods 5, and locking nuts 502 matched with the connecting screw rods 5; the plurality of connecting screw rods 5 are equidistantly arranged on the mounting rod 4, the left steel pipe 1 and the right steel pipe 2 are aligned and provided with the same number of through holes 3 as the connecting screw rods 5, one end of each connecting screw rod 5 passes through the through hole 3 on the left steel pipe 1, the template eye on the template 8, and the through hole 3 on the right steel pipe 2 in sequence, and the end of the connecting screw rod 5 extending out of the right steel pipe 2 is fixed by the locking nut 502, so that the plurality of connecting screw rods 5 are integrated and installed as a whole, thereby avoiding the need for positioning and threading of the connecting screw rods 5 one by one during installation, and the installation efficiency is improved, especially in large-area template splicing projects, the integrated installation method can significantly shorten the construction time and speed up the construction progress, and in addition, the plurality of equidistantly arranged connecting screw rods 5 on the mounting rod 4 can evenly distribute the pressure generated during concrete pouring to the left steel pipe 1 and the right steel pipe 2, avoiding deformation caused by excessive local stress on the template 8, and at the same time, the connecting screw rod 5 passes through the left steel pipe 1, the template eye, and the right steel pipe 2 in sequence and is fixed by the locking nut 502, ensuring the tight connection between the components and further improving the stability of the fixing device.
[0028] The through holes 3 aligned and provided on the left steel pipe 1 and the right steel pipe 2 are the same number as the connecting screw rods 5, ensuring that the connecting screw rods 5 can pass through accurately, so that the position accuracy during template 8 splicing is effectively controlled, the splicing error is reduced, and the appearance quality of the fair-faced concrete is improved.
[0029] The first gasket plate 501 is fixedly sleeved on one end of the connecting screw rod 5 close to the left steel pipe 1, and the other end of the first gasket plate 501 is crimped on the outside of the left steel pipe 1, so that the contact area between the connecting screw rod 5 and the left steel pipe 1 is increased, avoiding direct extrusion of the connecting screw rod 5 on the left steel pipe 1, thereby reducing the damage to the surface of the left steel pipe 1, and at the same time, the pressure generated during concrete pouring can be buffered to a certain extent, protecting the template 8 from being damaged by excessive extrusion, and the crimping effect of the first gasket plate 501 makes the left steel pipe 1 and the template 8 fit more tightly, further improving the overall stability of the fixing device and ensuring that the template 8 will not loosen during concrete pouring.
[0030] The second gasket plate 6 is movably sleeved on the connecting screw rod 5, the second gasket plates 6 adjacent to each other are fixedly connected through the connecting rods 601, the second gasket plate 6 arranged between the locking nut 502 and the outer side of the right square steel pipe 2 can increase the friction between the locking nut 502 and the right square steel pipe 2, effectively prevents the locking nut 502 from loosening due to vibration and other reasons during concrete pouring, meanwhile, the second gasket plates 6 adjacent to each other are fixedly connected through the connecting rods 601, so that the plurality of second gasket plates 6 form a whole, further enhancing the fixing effect, the second gasket plate 6 movably sleeved on the connecting screw rod 5 is more convenient during installation and disassembly, and the construction efficiency is improved.
[0031] The threaded groove 401 is arranged on the mounting rod 4, and one end of the connecting screw rod 5 is threadedly mounted in the threaded groove 401, so that the mounting and disassembly of the connecting screw rod 5 are more convenient, and the connecting screw rod 5 can be replaced in time when damaged, thereby reducing the maintenance cost.
[0032] The limiting plate 7 is further arranged, a plurality of insertion holes for the connecting screw rod 5 to pass through are arranged on the limiting plate 7, the insertion holes of the limiting plate 7 are sleeved on the connecting screw rods 5 respectively, the inner side of the limiting plate 7 abuts against the outer end of the locking nut 502, and the limiting plate 7 is fixed on the right square steel pipe 2 through the bolts 701, the insertion holes arranged on the limiting plate 7 are sleeved on the connecting screw rods 5 and abut against the outer end of the locking nut 502, and the limiting plate 7 is fixed on the right square steel pipe 2 through the bolts 701, so that a double limiting action on the locking nut 502 is formed, the locking nut 502 is further prevented from loosening, and the reliability of the fixing device is ensured.
[0033] Working principle:
[0034] Firstly, the left square steel pipe 1 and the right square steel pipe 2 are respectively attached to the left side and the right side outside the formwork 8 for the clear water concrete, and the positions are preliminarily adjusted to ensure that the perforations 3 on the square steel pipes are roughly aligned with the formwork eyes, then the assembled mounting rod 4 and the connecting screw rod 5 are integrally moved to the splicing position of the formwork 8, one end of the connecting screw rod 5 passes through the perforations 3 on the left square steel pipe 1, the formwork eyes on the formwork 8 and the perforations 3 on the right square steel pipe 2 in sequence, in this process, the position of the mounting rod 4 can be appropriately adjusted to ensure that all the connecting screw rods 5 pass through the corresponding holes smoothly, the first gasket plate 501 on one end of the connecting screw rod 5 close to the left square steel pipe 1 is tightly pressed against the outer side of the left square steel pipe 1 to protect the left square steel pipe 1 and enhance the connection stability, the second gasket plate 6 is sleeved on one end of the connecting screw rod 5 extending out of the right square steel pipe 2, then a wrench or other tools are used to tighten the locking nut 502 of one end of the connecting screw rod 5 extending out of the right square steel pipe 2, the right square steel pipe 2, the formwork 8 and the left square steel pipe 1 are tightly pressed together through the second gasket plate 6, and the fixing of the formwork 8 is realized.
[0035] The plurality of insertion holes on the limiting plate 7 are respectively sleeved on the plurality of connecting screw rods 5, the inner side thereof is abutted with the outer end of the locking nut 502, then the limiting plate 7 is fixed on the right steel pipe 2 by using the bolt 701, the locking nut is double-limited, and the loosening of the locking nut is prevented.
[0036] The above description shows and describes several preferred embodiments of the utility model, but as previously described, it should be understood that the utility model is not limited to the form disclosed herein, should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the utility model concept described herein by the above teaching or related technical or knowledge. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.
Claims
1. A formwork splicing fixing device for fair-faced concrete, characterized by, The utility model relates to a kind of water concrete formwork (8) and the left and right steel pipe (1) and right steel pipe (2) of template (8) outside respectively attached to water concrete formwork (8), and the left steel pipe (1) and the right steel pipe (2) are fixed by screw rod assembly between connection. The screw rod assembly includes a mounting rod (4), a plurality of connecting screws (5), and a locking nut (502) for each connecting screw (5).
2. The fair-faced concrete formwork splicing and fixing device according to claim 1, characterized in that: The plurality of connecting screws (5) are equidistantly installed on the mounting rod (4), and the left steel pipe (1) and the right steel pipe (2) are aligned with the same number of through holes (3) as the connecting screws (5). One end of the connecting screw (5) passes through the through hole (3) on the left steel pipe (1), the template eye on the template (8), and the through hole (3) on the right steel pipe (2) in sequence, and the end of the connecting screw (5) extending out of the right steel pipe (2) is fixed by the locking nut (502). The end of the connecting screw (5) close to the left steel pipe (1) is fixed with a first backing plate (501), and one end of the first backing plate (501) is crimped to the outside of the left steel pipe (1).
3. The fair-faced concrete formwork splicing and fixing device according to claim 2, characterized in that: The locking nut (502) and the right steel pipe (2) are provided with a second backing plate (6) on the outside, the second backing plate (6) is movably sleeved on the connecting screw (5), and two adjacent second backing plates (6) are connected and fixed by a connecting rod (601).
4. The fair-faced concrete formwork splicing and fixing device according to claim 2, characterized in that: The mounting rod (4) is provided with a threaded groove (401), and one end of the connecting screw (5) is threadedly installed in the threaded groove (401).
5. The fair-faced concrete formwork splicing and fixing device according to claim 3, characterized in that: The utility model also includes a limiting plate (7) provided with a plurality of insertion holes for the connecting screw (5), the limiting plate (7) is sleeved on the connecting screw (5), the inner side of the limiting plate (7) abuts against the outer end of the locking nut (502), and the limiting plate (7) is fixed on the right steel pipe (2) by a bolt (701).
6. A fair-faced concrete formwork splicing and fixing device according to any one of claims 3-5, characterized in that:
Citation Information
Patent Citations
Opposite-pulling screw rod for fixing bare concrete formwork
CN214739938U