JP3226979U - Fixed member structure of unfinished concrete formwork - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing member structure for an in-place concrete formwork. A fixing member structure for an as-cast concrete formwork including a long shaft body, wherein the fixing member is made of a plastic material, and a first limiting part and a second limiting part are provided at both ends of the long shaft body. A limiting portion 13 is provided, a plurality of claws 123 and 133 are provided around the first and second limiting portions, respectively, and a disk convex rib 14 is provided on the central outer diameter of the long shaft body. The fixing member is provided with a hollow channel 15 penetrating through the long shaft in the axial direction, and screw holes 125 and 135 having large inner diameters are provided at the ends of the first and second limiting portions toward the hollow channel. Each mountain hole is tightened with a bolt to close it. [Selection diagram] Figure 2

Description

The present invention relates to a fixing member structure for a formwork, and more particularly to a fixing member structure for an unfinished concrete formwork.

Leaving concrete is a method in which after the concrete is poured and solidified, the formwork is removed, then no finishing is added, and only the texture of concrete is used as an expression material for architecture. The well-cast concrete, which you often see, places great importance on the technology and details of the construction method, and cannot be finely adjusted, or marks will remain. Also, the in-place concrete is generally regarded as a sign of technology and it is extremely difficult for a general builder to not finish after removing the formwork. However, when assembling formwork for traditional unfinished concrete work, at least one separator connects and penetrates two formwork, and the separator and fixing member are combined to separate the two formwork plates. After that, the concrete is poured into the concrete, and after it is solidified, the concrete is left untouched.

However, when the traditional unstretched concrete is hardened and then the formwork is removed, the separator that penetrates between the two formwork is wrapped in concrete and combined, and it cannot be taken out from the uncast concrete. By cutting off the separator portion protruding from the standing concrete and breaking the fixing member, an inner recess hole is formed on the surface of the standing concrete, and the beauty of the standing concrete wall is completed by finishing the inner recess hole. Maintain a goodness. However, this means that the separator is left in the as-cast concrete and the inner recessed hole in the wall surface communicates with the separator, so that the as-cast concrete is oxidized and rusted by sunlight, wind or rain As a result, the rust water flows down along the wall, and the wall is contaminated by the rust water, which seriously damages the beauty of the concrete that has been left untreated.

Therefore, the present inventor has many years of experience in manufacturing, developing and designing related products, and as a result of carefully designing and carefully evaluating the above-mentioned goals, the present inventor has obtained a practically useful product.

The problem to be solved by the present invention is to solve the technical problems of the conventional as-built concrete and to provide a fixing member structure for the as-built concrete formwork.

In the fixing member structure of the unfinished concrete formwork, the fixing member is made of a plastic material and includes a long shaft body. A first limiting portion and a second limiting portion are provided at both ends of the long shaft body, and a plurality of claws are provided around the first and second limiting portions, respectively. A disk convex rib is provided on the central outer diameter, and the fixing member is provided with a hollow channel penetrating the long shaft body in the axial direction. Threaded holes having a large inner diameter are provided at the ends of the first and second limiting portions toward the hollow channel, and the threaded holes are closed by bolts.

The outer diameters of the first and second limiting portions are larger than the outer diameter of the long shaft body, and at least one ring-shaped convex rib is provided on the outer diameters of the first and second limiting portions.

Conical head portions that gradually shrink are formed at the ends of the first and second limiting portions, respectively, and each of the claw portions of the first limiting portion is longer than the conical head portion. The inside of the claw end of the second restriction portion is internally contracted to form a slope.

A molded disc is fitted to the first limiting portion, and the outer diameter of the molded disc is gradually reduced to provide a beveled ring portion, and the beveled ring portion matches the beveled surface of the hook portion. At the same time it is positioned, the molded disc is brought into contact with the conical head.

The outside diameter of the above-mentioned molded disc is also a flat ring portion other than the beveled ring portion, and the outer diameter of the plane ring portion is the same as the maximum diameter of the beveled ring portion. The flat ring portion is projected outward because it cannot be fitted.

A separator penetrates the hollow channel.

The fixing member is embedded and fixed in the concrete when the uncast concrete is molded. Since the fixing member is made of a plastic material, there is no problem of oxidation and rusting. In addition, the hollow channels provide penetration and removal of the separator, so that the separator is not left behind in the concrete and the rust water is prevented from flowing out of the concrete. Can be achieved. In addition, the first limiting portion and the second limiting portion are provided at both ends of the long shaft of the fixing member, and the disc convex rib is provided at the center. By providing at least a plurality of claws around the first and second limiting portions, the position of the fixing member can be limited by the structure described above when pouring concrete, and at the same time the fixing member and the concrete are joined. The strength is increased, the stability in the work is improved, and the production efficiency and yield rate of the unfinished concrete are increased.

FIG. 1 is a three-dimensional view showing the structure of a fixing member for an unfinished concrete formwork according to the present invention. FIG. 2 is a cross-sectional view showing a structure of a fixing member for an unfinished concrete formwork according to the present invention. FIG. 3 is an exploded view of the present invention assembled with a formwork. FIG. 4 is a sectional view of the present invention assembled with a formwork and then poured with concrete. FIG. 5 is a cross-sectional view in which the mold is removed after the concrete of the present invention is solidified. FIG. 6 is a three-dimensional view of the uncast concrete of the present invention. FIG. 7 is a view showing that a bolt is tightened according to the present invention. FIG. 8 is a sectional view of the present invention with bolts tightened.

First, please refer to FIG. 1 and FIG. In the fixing member structure of the unfinished concrete formwork of the present invention, the fixing member 10 is made of a plastic material, and includes a long shaft 11. A first limiting portion 12 and a second limiting portion 13 are provided at both ends of the long shaft body 11. A disk convex rib 14 is provided on the central outer diameter, and the outer diameters of the first and second limiting portions 12 and 13 are both larger than the outer diameter of the long shaft body 11, and the first and second limiting portions described above. At least one ring-shaped convex rib 121, 131 is provided on the outer diameter of 12, 13. Conical heads 122 and 132 are formed at the ends of the first and second restricting portions 12 and 13, respectively, and the conical head portions 122 and 132 are gradually reduced. A plurality of hooks 123, 133 are provided in the direction of the conical heads 122, 132, and the ends of the hooks 123 of the first limiting portion 12 are all longer than the conical head 122. The insides of the ends of the claws 123 and 133 are all internally contracted to form slopes 124 and 134. Further, the fixing member 10 is provided with a hollow channel 15 penetrating the long shaft body 11 in the axial direction. Threaded holes 125, 135 having a large inner diameter toward the hollow channel 15 are provided at the ends of the first and second limiting portions 12, 13 described above, and the threaded holes 125, 135 are tightened with bolts 16 respectively. Block it.

For the use of the structure, see FIGS. 3 and 4 in conjunction with FIGS. The at least one fixing member 10 is applied between two molds 20 that are engaged with each other, and the two fixing molds 20 are positioned by limiting the distance between the two molds 20 by the fixing member 10. Between the 20's, concrete is poured and molded to form the unfinished concrete 30. During the actual assembly, the hollow channel 15 of the fixing member 10 first penetrates the separator 17, and then the first and second limiting portions 12, 13 are applied to the inner surfaces of the two molds 20. Further, the two molds 20 are provided with through holes 21 corresponding to the positions of the fixing member 10 and provided for the separator 17 to project. The first limiting portion 12 is fitted with a molded disc 18 and is provided with a sloped ring portion 181 and a flat ring portion 182 whose outer diameter is gradually reduced. The beveled ring portion 181 is positioned to match the beveled surface 124 at the end of the claw 123, while at the same time causing the molded disc 18 to abut the conical head portion 122. The outer diameter of the flat ring portion 182 is the same as the maximum diameter of the slanted ring portion 181, and since the molded disc 18 cannot be completely fitted into the claw 123, the flat ring portion 182 is projected outward. By further applying the molding disk 18 to the inner surface of one of the molds 20 there is a gap 22 between the claw 123 of the first limiting portion 12 and the mold 20 and the concrete is packed. To prevent the claw 123 from being exposed. The second limiting portion 13 is brought into contact with the inner surface of the other mold 20 by the conical head portion 132 and the claw 133, and finally the pads 171 are fitted to the separator 17 by the outer walls of the two molds 20, respectively. By fixing the two formwork 20 close to each other in accordance with the tightening of the nut 172, the assembling of the formwork of the unfilled concrete 30 can be completed, and the work of pouring the concrete can be performed. After the concrete has set, the production of the unstretched concrete 30 is completed.

After the concrete has set, the form 20 is removed, and the separators 17 in the respective fixing members 10 are removed. At the same time, please refer to FIG. 6 to FIG. 8 in conjunction with FIG. 4 and FIG. Since the molding disk 18 is fitted in the first limiting portion 12, when the molding disk 18 is removed, the one-side surface of the unfinished concrete 30 is at least one inward circular groove 31 by the molding disk 18. Is determined. At least one circular hole corresponding to the threaded hole 135 of the second limiting portion 12 is formed on the other side surface of the unfinished concrete 30, and finally the first and second limiting portions 12, 13 are formed. By assembling the thread-holes 125 and 135 by tightening the bolts 16 with bolts 16, the as-built concrete 30 is completely assembled.

According to the structure of the above specific embodiment, the following effects can be obtained. The fixing member 10 is embedded and fixed in the concrete when the concrete 30 is cast and cast. Since the fixing member 10 is made of a plastic material, there is no problem of oxidation and rusting. Since the hollow channels 15 provide penetration and removal of the separator 17, the separator 17 is prevented from being left in the standing concrete 30, preventing the rust water from flowing out of the standing concrete 30, and improving the beauty of the wall surface. Reach the purpose of maintaining kindness. In addition, the first limiting portion 12 and the second limiting portion 13 are provided at both ends of the long shaft body 11 of the fixing member 10, and the disc convex rib 14 is provided at the center. By providing at least a plurality of claws 123, 133 around the first and second limiting portions 12, 13, the position of the fixing member 10 can be limited by the above-mentioned structure when pouring concrete. At the same time, the bonding strength between the fixing member 10 and the concrete is increased, the stability in the work is improved, and the production efficiency and the non-defective rate of the unloaded concrete 30 are increased.

The above is only a part of the embodiments according to the present invention, and does not limit the scope of the present invention. That is, changes, modifications and the like made within the scope of the claims of the present invention should belong to the scope of the present invention.

Reference Signs List 10 fixing member 11 long shaft body 12 first limiting portion 121 ring-shaped convex rib 122 conical head portion 123 claw 124 slope 125 screw hole 13 second limiting portion 131 ring-shaped convex rib 132 conical head portion 133 claw 134 Slope 135 Screw hole 14 Disc convex rib 15 Hollow channel 16 Bolt 17 Separator 171 Pad 172 Nut 18 Molded disc 181 Slope ring part 182 Flat ring part 20 Form frame 21 Through hole 22 Spacing 30 Stamped concrete 31 Inner recessed circle groove

Claims (6)

A fixed member structure for an unfinished concrete formwork including a long shaft,
The fixing member is made of plastic material,
A first limiting portion and a second limiting portion are provided at both ends of the long shaft body, and a plurality of claws are provided around the first and second limiting portions, respectively, and the center of the long shaft body is further provided. A disk convex rib is provided on the outer diameter, the fixing member is provided with a hollow channel penetrating the long shaft body in the axial direction, and the end portions of the first and second limiting portions are provided in the hollow channel. A fixing member structure for an in-place concrete formwork, characterized in that a screw hole having a large inner diameter is provided toward the screw hole, and each of the screw holes is closed with a bolt. The outer diameters of the first and second limiting portions are larger than the outer diameter of the long shaft body, and at least one ring-shaped convex rib is provided on the outer diameters of the first and second limiting portions. The fixed member structure for an unfinished concrete formwork according to claim 1. Conical head portions that gradually shrink are formed at the ends of the first and second limiting portions, respectively, and each hook portion of the first limiting portion is longer than the conical head portion. The fixing member structure for an in-place concrete formwork according to claim 2, wherein the inside of the claw end of the second restriction portion is internally contracted to form a slope. A molded disc is fitted together in the first limiting portion, and the outer diameter of the molded disc is gradually reduced to provide a beveled ring portion, and the beveled ring portion matches the beveled surface of the hook portion. 4. The fixing member structure for an in-place concrete formwork according to claim 3, wherein the molded disk is brought into contact with the conical head portion while being positioned. The outer diameter of the molded disc is a flat ring portion other than the slanted ring portion, and the outer diameter of the flat ring portion is the same as the maximum diameter of the slanted ring portion. 5. The fixing member structure for an unfinished concrete formwork according to claim 4, wherein the flat ring portion is projected outward because it cannot be fitted. The fixing member structure for an unfinished concrete formwork according to claim 1, wherein a separator penetrates the hollow channel.