JPH0220357Y2 - - Google Patents

Description

[Detailed explanation of the invention] (Field of industrial application) This invention uses large concrete formwork panels, for example, equivalent to the height of one floor of a building, to construct concrete walls sequentially from the bottom. Concerning concrete formwork panel supports that are attached to the top end of an already constructed concrete wall and support concrete formwork panels for constructing a concrete wall to be added above the concrete wall when implementing the construction method. It is something.

(Prior art and its problems) The concrete formwork panel support used as described above has a vertical attachment part and a It is equipped with a concrete formwork panel receiving part provided at the upper end and a screw for pressing and fixing the concrete formwork panel provided at the outer end of this panel receiving part, and the mounting part has a length in the vertical up and down direction. A hole is provided. When installing it on a concrete wall, place the mounting part against the concrete wall so that the elongated hole fits into the screw shaft at the end of the separator that is left protruding from the concrete wall. With the height adjusted, a nut or an alternative concrete formwork fastening rod is screwed onto the screw shaft protruding from the long hole.

Therefore, if the nut or the concrete formwork fastening rod that replaces it loosens even a little during use, there is a risk that the panel receiver will slide down due to the presence of the elongated hole. In particular, when using a concrete formwork fastening rod instead of a nut, the end surface where the screw hole opens is very small, and if the fastening rod is a reused product, mortar may adhere to the end surface. Therefore, it is difficult to obtain a sufficient tightening effect, and there is a high risk that the panel holder may slip off.

(Means for Solving the Problems) The present invention provides a concrete formwork panel support that solves the conventional problems as described above, and its features are a vertical mounting part and a vertical mounting part. It is equipped with a concrete formwork panel receiving part provided at the upper end and a screw for pressing and fixing the concrete formwork panel provided at the outer end of this panel receiving part, and the mounting part has a long hole in the vertical up and down direction. and a pair of guide rail portions located on both left and right sides of the elongated hole, and the pair of guide rail portions hold the washer movably in the length direction of the elongated hole on the outside of the mounting portion. , the washer is provided with a through hole in a central portion that rises outward from the outer surface of the attachment portion.

(Example) An example of the present invention will be described below based on the attached illustrative drawings.

In FIGS. 1 to 3, reference numeral 1 denotes a vertical attachment part, and 2 denotes a concrete formwork panel receiving part connected laterally at right angles to the upper end of the attachment part 1.
Reference numeral 3 denotes a screw for pressing and fixing the panel, which is threaded through a rising portion 2a extending upward from the outer end of the panel receiving portion 2 so as to be movable in the length direction of the panel receiving portion 2; A pressing plate 4 using a disc spring is provided at the end.

The attachment part 1 is movable in the length direction of the elongated hole 5 between the elongated hole 5 provided along the length, the guide rail parts 6 consecutively provided on both sides, and the guide rail parts 6. It is provided with a retained washer 7. This washer 7 is provided with a through hole 8 that matches the elongated hole 5, and both sides 7a and 7b that fit into the guide rail part 6 are bent inward and come into contact with the outer surface 1a of the mounting part 1. It is configured to touch. It should be noted that the washer 7 is prevented from coming off the guide rail portion 6 upwardly by the base of the panel receiving portion 2, and is prevented from coming off downwardly by the bottom plate 9.

The panel receiver constructed as described above is used as shown in FIGS. 2 and 3. That is, the attachment part 1 is attached to the existing concrete wall 1 so that the protruding screw shaft part 12 of the separator 11 protruding from near the upper end of the existing concrete wall 10 passes through the long hole 5 of the attachment part 1 and the through hole 8 of the washer 7.
0, and the height of the concrete formwork panel receiving part 2 is adjusted by moving the mounting part 1 up and down using the elongated hole 5, and the notification screw shaft part protruding from the through hole 8 of the washer 7 A concrete formwork fastening rod 13 is screwed and fastened to 12. As a result,
Press the mounting part 1 against the existing concrete wall 10 with the sides 7a and 7b of the washer 7 biting into the vicinity of both sides of the mounting part 1, and then press the mounting part 1 against the existing concrete wall 10.
is firmly fixed to the existing concrete wall 10. At this time, the flat plate portion 7 between both sides 7a and 7b of the washer 7
c is elastically deformed, and the reaction force acts in the axial direction on the threaded portion between the fastening rod 13 and the protruding screw shaft portion 12.
Even if some vibration acts, there is no fear that the tightening of the fastening rod 13 will loosen easily.

On the other hand, the pre-assembled concrete form panel 14 and pressing flap material 15 are placed on the concrete form panel receiving part 2, and the panel pressing fixing screws 3 are screwed into the pressing plate 4 at the inner end. The lower end of the concrete formwork panel 14 is pressed and fixed to the existing concrete wall 10 via the flap material 15.

Note that the distance between the inner surface of the mounting portion 1 (the surface that contacts the existing concrete wall 10) and the surface of the washer flat plate portion 7c is the distance used to construct the concrete formwork panel 14 as shown in FIG. plywood 1
By making the thickness equal to that of 4a, it is convenient when using concrete formwork fastening rods 13. Of course, a general nut can also be used without using the concrete formwork fastening rod 13. Furthermore, a washer 7 bent into a U-shape is used as a washer.
was used, but is not limited to this. For example, the fourth
As shown in the figure, a square washer 16 or an octagonal washer 17 as shown in FIG.
It is also possible to use a washer configured such that 17a abuts against the outer surface 1a of the attachment part 1. Of course, a circular disc spring-like washer may also be used.

(Operations and Effects of the Invention) As described above, according to the concrete formwork panel support of the present invention, the mounting part can be mounted via a washer having a through hole in the central part that rises outward from the outer surface of the mounting part. Since the part can be screwed to the existing concrete wall, even if a concrete formwork fastening rod is used in place of the fixing nut as in the example, the effect of biting of the area around the washer against the outside surface of the attachment part and the washer The panel support can be firmly fixed due to its elastic effect, making it safe to use. In addition, the washer is held movably in the length direction of the long hole by a pair of left and right guide rails provided at the mounting part, so there is no need to prepare a separate washer during installation, improving work efficiency. There is no risk of lowering the

[Brief explanation of drawings]

Figure 1 is a perspective view, Figure 2 is a longitudinal side view showing the state of use, Figure 3 is a cross-sectional plan view, Figures 4 and 5.
The figure is a perspective view showing a modified example of the washer. 1... Mounting part, 2... Panel receiving part, 3...
...Screws for pressing and fixing concrete formwork panels, 5...
...Long hole, 6...Guide rail part, 7, 16, 17
... Washer, 8 ... Through hole, 10 ... Existing concrete wall, 11 ... Separator, 12 ... Protruding screw shaft, 13 ... Concrete formwork fastening rod, 14
...Concrete formwork panels.

Claims (1)

[Scope of utility model registration request] The mounting portion includes a vertical mounting portion, a concrete formwork panel receiving portion provided at the upper end of the mounting portion, and a screw for pressing and fixing the concrete formwork panel provided at the outer end of the panel receiving portion. is provided with an elongated hole in the vertical vertical direction and a pair of guide rail sections located on both left and right sides of the elongated hole, and the pair of guide rail sections allows the length of the elongated hole to be extended on the outside of the mounting section. A concrete formwork panel support that holds a washer so as to be movable in the horizontal direction, and the washer has a through hole in a central part that rises outward from the outer surface of the attachment part.