JPH071437Y2 - Corner fixing bracket - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a corner fixing metal fitting, and more particularly to a corner fixing metal fitting for fixing intersecting shaft members such as form supporting members.

[Prior Art] Corner fixing fittings are used to fix intersecting shaft members such as form supporting members. For example, in a pillar unit form device, the one shown in Figs. 6 and 7 is used. Is used.

In this unit formwork device, it is necessary to detachably connect the intersecting parts of the lateral end thicknesses 102, 103 as shaft members constituting the surface formwork 100, 101. For this reason,
Open holes 102a and 103a in the overlapping part of 102 and 103, and pin them here.
The lateral widths 102 and 103 of the corners are fixed by penetrating 104.

[Problems to be solved by the invention] This pin 104 eliminates rattling at the time of insertion, and has a wide end 102,1
In order to secure the fixing of 03 to each other, the pin 104 has a hole 102a,
The one with the smallest gap between it and 103a is used.

However, if the gap between the holes 102a and 103a is reduced, it is necessary to drive the pin 104 with a hammer or the like when removing the pin 104, which is troublesome, and it may not be possible to easily remove it.

The present invention has been made in view of such a situation, and it is possible to easily insert and remove the pin into the hole communicating with the overlapping portion of the shaft members intersecting with each other, and moreover, surely secure the shaft members with each other. It is intended to provide a corner fixing bracket that can be fixed.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the corner fixing metal fitting of the present invention has a pin that penetrates a hole communicating with an overlapping portion of shaft members that intersect with each other, and an intersection of these shaft members. An operating shaft that is arranged substantially parallel to the pin on the side and has a protrusion on the side surface;
The pin and the actuating shaft are held within a predetermined interval, and the pin and the actuating shaft are attracted to each other by rotating the actuating shaft to press the protrusion against the band part. Is characterized by.

[Operation] According to the present invention, the pin penetrates the hole communicating with the overlapping portion of the intersecting shaft member, the operating shaft is disposed on the intersecting side part substantially parallel to the pin, and the pin and the operating shaft are held by the band part. When the actuating shaft is rotated, the protrusion provided on the actuating shaft moves toward the band portion and presses the band portion. Therefore, the pin and the operating shaft are attracted to each other by the reaction force from the band portion, and the shaft member is tightened by both of them.

[Embodiment] Next, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view of a corner fixing member of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a sectional view taken along line III-III of FIG. 2, and FIG. 4 is a side view of the same usage state. The drawing is a sectional view taken along line VV of FIG.

In the figure, reference numeral 1 is a corner fixing member, and a pin 2 penetrating a hole communicating with an overlapping portion of shaft members intersecting each other,
An operating shaft 3 which is arranged substantially parallel to the pin 2 on the intersecting side portion of these shaft members and has a protrusion on its side surface, a pin 2 and an operating shaft 3
And a band portion 4 for holding the band within a predetermined interval. The band portion 4 has a pair of U-shaped members from which the arm portions 4b extend from both ends of the connecting portion 4a.
The hairpin-shaped folded-back portions 4c at both ends are connected to each other, and a plurality of receiving portions 4d are welded between adjacent connecting portions 4a.

The operating shaft 3 is rotatably arranged inside the receiving portion 4d, and two round bars are axially welded to the side surface of the operating shaft 3 to form a protrusion 3a. A bolt is attached to the lower end of the operating shaft 3.
3b is screwed through a washer 3c to prevent it from coming off, and a lever 5 is attached to the upper end by press fitting.

The pin 2 is arranged inside the upper and lower folding parts 4c.
Has a taper 2a at the tip and a knob 2b at the upper end, and a washer 2d welded to the shaft 2c is brought into contact with the upper end of the upper arm 4b of the band 4 for positioning.

Therefore, as shown in FIG. 4 and FIG. 5, the holes 8a and 9a are communicated with the overlapping portions of the lateral end thicknesses 8 and 9 of the surface molds 6 and 7 of the unit molding device of the pillar, which intersect with each other. In the case of connecting these lateral thick ends 8 and 9 as a shaft member in a detachable manner, the following is done.

First, with the pin 2 removed, the protrusion 3a of the operating shaft 3
Bring the lever 5 to a position where it does not come into contact with 4d (one-dot chain line in FIG. 5), and sandwich the overlapped portion of the horizontal edges 8 and 9 that intersect with the upper and lower arm portions 4b of the band portion 4 so that the operating shaft 3 is at the horizontal end. Thick
When it is applied to the crossing side portions of 8 and 9, the inner portion of the folded-back portion 4c comes to coincide with the communicating hole portions 8a and 9a, and the pin 2 is inserted into this portion from above.

Next, when the actuating shaft 3 is rotated in the illustrated direction by the lever 5, when the protrusion 3a moves in a direction away from the pin 2, this pushes the receiving portion 4d of the band portion 4 and the reaction from the band portion 4 is prevented. The pin 2 and the actuating shaft 3 are attracted to each other by a force, and the force A acting from the pin 2 to the holes 8a, 9a of the lateral end thick 8,9 and the crossing side part of the actuating shaft 3 and the lateral end thick 8,9 The lateral widths 8 and 9 are tightened by the forces B1 and B2 acting on the.

Further, the corner fixing metal fitting 1 can be removed and the lateral end thicknesses 8 and 9 can be separated from each other by a procedure reverse to this tightening.

In this way, the rotation of the actuating shaft 3 presses the projection 3a against the band portion 4 and the reaction force from the band portion 4 tightens the lateral ends 8 and 9, so that the pin 2 and the hole portions 8a and 9a. Since the sufficient gap D can be provided between the pin 2 and the pin 2, the pin 2 can be easily inserted and removed, and moreover, the lateral end thicknesses 8 and 9 can be securely fixed to each other.

[Effects of the Invention] As described above, in the present invention, a pin that penetrates a hole that communicates with an overlapping portion of shaft members that intersect with each other, and a pin that is disposed substantially parallel to the pin on the intersecting side part of these shaft members It is composed of an operating shaft having a projection on its side, and a band portion for holding the pin and the operating shaft within a predetermined interval. The rotation of the operating shaft causes the projection to be pressed against the band portion so that the pin and the operating shaft are attracted to each other. . Therefore, a sufficient gap can be provided between the pin and the hole portion, which facilitates the removal of the pin,
Moreover, it is possible to securely fix the lateral edges with a simple structure.

[Brief description of drawings]

FIG. 1 is a plan view of a corner fixing member of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a sectional view taken along line III-III of FIG. 2, and FIG. 4 is a side view of the same usage state. FIG. 6 is a sectional view taken along line VV in FIG. 4, FIG. 6 is a side view showing a connection of a conventional lateral end thickening, and FIG. 7 is a sectional view taken along line VII-VII in FIG. In the figure, reference numeral 1 is a corner fixing metal fitting, 2 is a pin, 3 is an operating shaft, 4 is a band portion, 3a is a protrusion, 8 and 9 are lateral ends, and 8a and 9a are holes.

Claims (1)

[Scope of utility model registration request] 1. A pin penetrating a hole communicating with an overlapping portion of shaft members intersecting with each other, an actuating shaft arranged on the intersecting side of these shaft members substantially parallel to the pin, and having a projection on a side surface thereof. The pin and the actuating shaft are held within a predetermined interval, and the pin and the actuating shaft are attracted to each other by rotating the actuating shaft to press the protrusion against the band part. Corner fixing metal fittings.