Split type pull rod for concrete pouring construction

Abstract

The utility model relates to the technical field of concrete pouring, and provides a split type pull rod for concrete pouring construction, which is characterized in that a middle connecting piece is transversely arranged, and two ends of the middle connecting piece extend outwards from through holes of templates on two sides of a concrete wall body; the plug is arranged on the middle connecting piece in a penetrating mode and located on the side, facing the wall body, of the formwork, and the plug is configured to plug the through hole of the formwork so as to prevent concrete slurry from seeping outwards in the pouring process and support the inner surface of the formwork; the external pull rods are detachably connected to the two ends of the middle connecting piece respectively and extend outwards from the position between keels outside the formwork, the outer ends of the pull rods are connected with mountain-shaped nuts, and the mountain-shaped nuts abut against the keels through pressing pieces so as to support the outer surface of the formwork. The split type pull rod for concrete pouring construction is convenient to mount and dismount in the use process of a formwork and can be adjusted according to the thickness of a wall, meanwhile, the through holes of the formwork can be effectively blocked, grout leakage is avoided, and the pouring quality and construction efficiency of the concrete wall are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pouring technical field especially provide a split type pull rod for concrete pouring construction. BACKGROUND

[0002] In the construction site, the wall structure adopting concrete pouring is firm, and the set structure can be realized flexibly. In the concrete pouring process, generally, the formwork needs to be supported. The formwork makes the concrete structure and member shape according to the specified position and geometric size, keeps the correct position of the building wall, and bears the load in the pouring process.

[0003] At present, the steel formwork is mostly used in the construction site, and the installation is generally carried out through integral bolt fastening. The structure length is large, and it is not convenient to adjust according to the wall thickness, which affects the construction efficiency. Moreover, when the integral bolt passes through the through hole of the formwork, an annular hole is formed between the bolt and the through hole. When the concrete is poured, the concrete slurry is easy to leak from the annular hole, which makes the proportion of the concrete slurry near the annular hole unbalanced, and affects the quality of the concrete wall structure. SUMMARY

[0004] Based on this, the utility model provides a split type pull rod for concrete pouring construction, which is convenient to install, disassemble, adjust according to the wall thickness in the formwork supporting process, can effectively block the through hole of the formwork, avoid the leakage of the slurry, improve the pouring quality of the concrete wall, and improve the construction efficiency.

[0005] In order to achieve the above purpose, the utility model provides a split type pull rod for concrete pouring construction. The intermediate connecting piece is transversely arranged and the two ends thereof are outwardly extended from the through holes of the formworks on the two sides of the concrete wall. The plug is arranged on the intermediate connecting piece and located on the side of the formwork facing the wall. The plug is configured to block the through hole of the formwork, prevent the concrete slurry from leaking outward during the pouring process, and support the inner surface of the formwork. The external pull rod is detachably connected to the two ends of the intermediate connecting piece and outwardly extended from the furring between the formworks. The outer end of the pull rod is connected with the mountain nut. The mountain nut is pressed against the furring to support the outer surface of the formwork.

[0006] Further, the middle part of the intermediate connecting piece is provided with a cross-shaped structure, and the two ends thereof are in the shape of a Chinese character "yi" and connected with the cross-shaped structure through the connecting plate. The plug passes through the two ends of the Chinese character "yi" plate and is supported on the connecting plate.

[0007] Further, the plug is a conical structure with a small front end and a large rear end. The outer contour of the front end surface of the plug is circular, regular polygonal or decorative pattern. The middle part of the front end surface is provided with a three-dimensional figure which is outwardly convex or inwardly concave.

[0008] Further, the two ends of the intermediate connecting piece are in a character type structure, and the plug is provided with a character type through hole matched with the character type structure.

[0009] Further, the material of the intermediate connecting piece is stainless steel or carbon fiber and epoxy resin composite material, and the material of the plug is rubber or silicone.

[0010] Further, the outer end of the intermediate connecting piece is connected with the external pull rod through a detachable pin shaft, a bolt fastener or a lock buckle, and the connecting structure of the intermediate connecting piece and the external pull rod is arranged between the formwork and the pressing plate.

[0011] Further, the outer end of the external pull rod is provided with a trapezoidal external thread, and the mountain-shaped nut is provided with a trapezoidal internal thread matched with the trapezoidal external thread.

[0012] Further, the keel comprises a transversely arranged secondary keel and a vertically arranged main keel, the secondary keel is pressed against the outer surface of the formwork, and the main keel is pressed against the outer surface of the secondary keel.

[0013] Further, the external pull rod is centrally passed through the two adjacent main keels, and the pressing plate on the inner side of the mountain-shaped nut is pressed against the two adjacent main keels.

[0014] The beneficial effects of the split type pull rod for concrete pouring construction provided by the utility model mainly embody that:

[0015] 1. The intermediate connecting piece and the external pull rod are detachably connected in a split type, so that the installation and dismounting are facilitated during the formwork supporting process, and the wall thickness can be adjusted, and the construction efficiency is improved.

[0016] 2. The plug is arranged on the intermediate connecting piece, the front end of the plug is supported by the structure of the intermediate connecting piece, and the rear end is tightly pressed against the through hole of the formwork, so that the through hole of the formwork is effectively sealed, the slurry leakage is effectively avoided, and the pouring quality of the concrete wall is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the following, the utility model will be described in more detail based on the embodiments and with reference to the drawings. The drawings which form a part of the specification describe embodiments of the disclosure and, together with the specification, serve to explain principles of the disclosure.

[0018] Figure 1 is a connection structure schematic view of the split type pull rod for concrete pouring construction provided;

[0019] Figure 2 is a split structure schematic view of the split type pull rod for concrete pouring construction provided;

[0020] Figure 3is a longitudinal sectional view of a concrete pouring structure using the provided split tie bar;

[0021] Figure 4 is a transverse sectional view of a concrete pouring structure using the provided split tie bar;

[0022] Figure 5 is a structural view of a first embodiment of the provided plug structure;

[0023] Figure 6 is a structural view of a second embodiment of the provided plug structure;

[0024] Figure 7 is a structural view of a third embodiment of the provided plug structure;

[0025] Figure 8 is a structural view of a fourth embodiment of the provided plug structure;

[0026] Figure 9 is a partial three-dimensional structural view of the provided split tie bar for concrete pouring construction.

[0027] Brief Description of the Drawings

[0028] 1 - intermediate connecting piece, 2 - plug, 3 - external tie bar, 4 - pressing plate, 5 - hill nut;

[0029] 11 - wall body, 12 - main keel, 13 - secondary keel, 14 - formwork.

[0030] It should be understood that the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. In addition, the same or similar reference numerals represent the same or similar components. DETAILED DESCRIPTION

[0031] The utility model will be further described in detail below in combination with the embodiments of the drawings. The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application. The illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute undue limitation on the utility model.

[0032] In the present disclosure, when it is described that a specific device is located between a first device and a second device, there can be an intervening device between the specific device and the first device or the second device, or there can be no intervening device. When it is described that a specific device is connected to other devices, the specific device can be directly connected to the other devices without an intervening device, or can not be directly connected to the other devices with an intervening device.

[0033] As Figures 1 to 9The utility model provides a split type pull rod for concrete pouring construction, the intermediate connecting piece 1 is transversely arranged and the both ends are outwardly protruding from the through hole of the formwork 14 on both sides of the concrete wall 11, the plug 2 is arranged on the intermediate connecting piece 1 and is located on the side of the formwork 14 facing the wall 11, the plug 2 is configured to block the through hole of the formwork 14 to prevent the concrete slurry from seeping out during pouring and support the inner surface of the formwork 14, the external pull rod 3 is detachably connected to the both ends of the intermediate connecting piece 1 and outwardly protrudes from the keel outside the formwork 14, the external end of the pull rod is connected with the mountain nut 5, and the mountain nut 5 is clamped on the keel to support the outer surface of the formwork 14.

[0034] The split type pull rod for concrete pouring construction provided by the utility model is detachably connected by the split arrangement of the intermediate connecting piece 1 and the external pull rod 3, which facilitates installation and removal during the support of the formwork 14 and adjustment according to the thickness of the wall, thereby improving the construction efficiency.

[0035] The plug 2 is arranged on the intermediate connecting piece 1, the front end of the plug 2 is supported by the structure of the intermediate connecting piece 1, and the rear end is clamped on the through hole of the formwork 14, so that the through hole of the formwork 14 is effectively blocked, slurry leakage is effectively avoided, and the pouring quality of the concrete wall is improved.

[0036] In some embodiments, the middle part of the intermediate connecting piece 1 is provided with a cross-shaped structure in cross section, and the front end of the plug 2 is supported to the outer end of the cross-shaped structure. Specifically, the middle part of the intermediate connecting piece 1 is provided with a cross-shaped structure in cross section, and the both ends are a linear structure and are connected to the cross-shaped structure through a connecting plate; the plug 2 passes through the both ends of the linear plate and is supported on the connecting plate.

[0037] At present, the common plug is a circular truncated cone, and the decorative hole formed is circular, which is relatively single. Therefore, the plug 2 provided by the utility model is a conical structure with a small front end and a large rear end, the outer contour of the front end face of the plug 2 is circular or regular polygonal or decorative pattern, and a three-dimensional figure that protrudes outward or recesses inward is arranged in the middle of the front end face. The plug is various, and the decorative hole formed can be circular, square, hexagonal, or even animal footprint-shaped. The decorative performance is improved, various plug styles can be used, the plug can be replaced, the plug can form a pattern on the surface of the poured wall, and the subsequent processing time is saved.

[0038] In the specific implementation process, the material of the intermediate connecting piece 1 is stainless steel or carbon fiber and epoxy resin composite material, and the material of the plug 2 is rubber or silicone.

[0039] In some embodiments, the outer end of the intermediate connecting piece 1 is connected with the external tie rod 3 through a detachable pin shaft, a bolt fastener or a lock catch, and the connecting structure of the intermediate connecting piece 1 and the external tie rod 3 is arranged between the formwork 14 and the pressing plate 4. The outer end of the external tie rod 3 is provided with a trapezoidal external thread, and the mountain-shaped nut 5 is provided with a trapezoidal internal thread matched with the trapezoidal external thread.

[0040] In some embodiments, the keel includes transversely arranged secondary keels 13 and vertically arranged main keels 12, the secondary keels 13 are pressed against the outer surface of the formwork 14, and the main keels 12 are pressed against the outer surface of the secondary keels 13. The external tie rod 3 is centrally passed through the two adjacent main keels 12, and the pressing plate 4 inside the mountain-shaped nut 5 is pressed between the two adjacent main keels 12. Specific embodiments

[0041] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the structure mainly consists of three parts: the screw rod as the external tie rod 3, the matched mountain-shaped nut, and the intermediate connecting piece 1 and the plug 2 in the middle.

[0042] One side of the external tie rod 3 is a trapezoidal thread, matched with the mountain-shaped nut 5 and the pressing plate 4, fixed on the outer keel of the formwork 14, with a side cut, and fixed to the intermediate connecting piece 1 by using a connecting bolt.

[0043] The intermediate connecting piece 1 is located in the middle and is composed of cross support pieces and rods, which are respectively used for positioning the plug 2 and the inner side of the formwork 14.

[0044] The connecting bolt or pin shaft is used for fixing the external tie rod 3 and the intermediate connecting piece 1.

[0045] As shown in Figures 5 to 9 , the plug 2 can be made of rubber or silicone material, and has various styles, such as circular, quadrilateral, hexagonal, footprint-shaped, and patterned, and has a decorative effect.

[0046] The intermediate connecting piece 1 is made of stainless steel, and can also be made of a material composed of carbon fiber and epoxy resin. The intermediate connecting piece 1 and the plug 2 are replaceable.

[0047] Based on the above embodiments, the split tie rod for concrete pouring construction is convenient to install and disassemble during the formwork supporting process, can be adjusted according to the thickness of the wall, can effectively seal the through hole of the formwork, avoid slurry leakage, improve the quality of concrete wall pouring, improve the construction efficiency, and form a wall structure with good quality and strong on-site practicability.

[0048] Finally, it should be noted that: the above examples only illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A split tie rod for concrete pouring construction, characterized in that: include: An intermediate connecting member (1) is arranged horizontally and has two ends extending outward from through holes in the templates (14) on both sides of the concrete wall (11); A plug (2) is provided on the intermediate connecting member (1) and is located on the side of the template (14) facing the wall (11). The plug (2) is configured to seal the through hole of the template (14) to prevent the concrete slurry from leaking outward during the pouring process and to support the inner surface of the template (14); The external pull rod (3) is detachably connected to both ends of the intermediate connector (1) and extends outward from between the keels outside the template (14). The outer end of the pull rod is connected to a mountain nut (5). The mountain nut (5) is tightened against the keel through a pressing plate to support the outer surface of the template (14).

2. The split tie rod for concrete pouring construction according to claim 1, characterized in that: The middle portion of the intermediate connecting member (1) is provided with a cross-shaped structure in cross section, and both ends are I-shaped structures and are connected to the cross-shaped structure via a connecting plate; the plug (2) passes through both ends of the I-shaped plate and is supported on the connecting plate.

3. The split pull rod for concrete pouring construction according to claim 2, characterized in that: The plug (2) is a cone structure with a small front end and a large rear end. The outer contour of the front end surface of the plug (2) is a circle, a regular polygon or a decorative pattern, and a three-dimensional figure that protrudes outward and is concave inward is provided in the middle of the front end surface.

4. The split tie rod for concrete pouring construction according to claim 3, characterized in that: Both ends of the intermediate connecting piece (1) are in a straight line structure, and the plug (2) is provided with a straight line through hole adapted to the straight line structure.

5. The split type tie rod for concrete pouring construction according to claim 1, 2, 3 or 4, characterized in that: The material of the intermediate connecting piece (1) is stainless steel or a carbon fiber and epoxy resin composite material, and the material of the plug (2) is rubber or silicone.

6. The split pull rod for concrete pouring construction according to claim 1 or 2, characterized in that: The outer end of the intermediate connecting member (1) is connected to the external pull rod (3) via a detachable pin, bolt fastener or lock, and the connection structure between the intermediate connecting member (1) and the external pull rod (3) is arranged between the template (14) and the pressure plate (4).

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