JPH084515Y2 - Panel clamp for formwork connection - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork connecting panel clamp for connecting formworks used in a construction site in a plane direction.

[0002]

2. Description of the Related Art A formwork panel is generally assembled at a construction site by using a fastening metal fitting, a flap material, a shattering or the like so as to fit the wall surface of the formwork panel. The panels of the formwork are used in a large wall formwork method, and a steel panel assembled by shattering or the like, a so-called metal foam, a panel made of a single piece of wood, or a plywood is still often used. They are,
At the construction site, she built the wall unit by shattering and fluttering. Formwork panel connection,
I often used shattering or flapping wood.

[0003]

[Problems to be Solved by the Invention] As described above, because of the method of assembling in the field, at least the shattering, the butter material, and the fastening metal fittings are required in addition to the formwork panel, and it is necessary to assemble them appropriately. .

[0004] However, assembling a shuttering or fluttering material having a completely different form from that of the formwork panel has a problem that it requires a long working time, is difficult to work, and cannot be assembled accurately unless a skilled person.

It is an object of the present invention to obtain a formwork connecting panel clamp in which formwork panels are continuously arranged in a plane direction and can be easily connected.

[0006]

[Means for Solving the Problems] In order to achieve this purpose,
The panel clamp for formwork connection of this invention has a main body composed of an elongated frame having a groove portion, wing portions for pressing the adjacent formwork panels on both sides in the longitudinal direction of the body, and a groove of the groove frame of the adjacent formwork panel. Two connecting claws that can be engaged are provided, and at least one of the connecting claws is a movable connecting claw.

Further, the formwork connecting panel clamp has a main body composed of an elongated frame having groove portions, wing portions for pressing adjacent formwork panels on both sides in the longitudinal direction of the main body, and groove frames of the adjacent formwork panels. There are two connecting claws that can be engaged with the groove, at least one of the connecting claws is a movable connecting claw, and the movable connecting claw has a rotation fulcrum and a screw portion.

Further, the formwork connecting panel clamp has a main body composed of an elongated frame having a groove portion, wings on both sides of the main body in the longitudinal direction for pressing the adjacent formwork panels, and groove frames of the adjacent formwork panels. There are two connecting claws that can be engaged with the groove, one connecting claw is a movable connecting claw, and the other connecting claw is a fixed connecting claw.

[0009]

In the panel clamp for formwork connection, the formwork panels are adjacent to each other in the plane direction, the connection claw is engaged with the groove of the groove frame provided around the formwork panel, and the two connection claws are adjacent to each other. The groove frame of the formwork panel is sandwiched to form one unit. At this time, the elongated main body is in contact with the mold frame panel on the opening side, and the wing portions at both ends in the longitudinal direction press the left and right mold frame panels in a planar manner with two-point support.

The panel clamp for connecting the formwork of claim 3 is
The fixed connecting claw is first put in the groove of the groove frame of the form panel, the screw part is rotated to open the movable connecting claw, and the screw part is rotated in the opposite direction to insert the screw part and close the movable connecting claw.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1, a front view, and FIG. 2 are side views showing a partially cutaway plan view of a mold connecting panel clamp according to an embodiment of the present invention with a groove frame of a mold panel sandwiched therebetween. The explanation will be given based on FIG. 3 and FIG. 4 which is a rear explanatory view when the formwork connecting panel clamp is attached to the formwork panel.

The panel clamp 1 for connecting the formwork comprises a main body 2
And a connection claw 3, a screw portion 4, and a wing portion 5.

The main body 2 is an elongated hollow prismatic body having an opening on one side, and the opening is a groove. In this embodiment, a hollow rectangular body having a length of about 40 cm, a height of about 5.5 cm, and a width of about 3.5 cm is opened in the width surface. In this embodiment, the length of the main body 2 is such that when the formwork connecting panel clamp 1 is mounted between two adjacent formwork panels 20 orthogonally to the crosspiece 26, both ends of the mainframe 2 have crosspieces of the formwork panel 20. It is also the length corresponding to the position of 26. When mounting along the crosspiece 26, the length of the main body 2 is not particularly limited.

Wing portions 5 are provided on both sides of the main body 2 in the longitudinal direction. The wing portions 5 are fixed in a bent shape to the opening surface side and the end surface side of both ends of the main body 2, and are provided so as to be T-shaped at right angles to the main body 2.

A connecting claw 3 is provided at an intermediate portion on the opening side of the long groove-shaped main body 2. The connecting claw 3 is composed of two claw-shaped scissors, one of which is a movable connecting claw 6 and the other is a fixed connecting claw 7. As for the scissors surface 8 of the two claw-scissors-shaped connecting claws 3, the main body 2 has the wing portion 5 and the form panel 2
This is the angle of contact with the crosspiece 26 of 0 and surface contact with the open side surface of the groove frame 22 of the formwork panel 20 and the gently inclined surface 25 of the groove 23 of the groove frame 22.

The movable connecting claw 6 of the connecting claw 3 and the fixed connecting claw 7
Is between the left and right of the main body 2. This movable connecting claw 6
The distance between and the fixed connection claw 7 is slightly wider than twice the width of the inner and outer surfaces of the groove frame 21 of the formwork panel 20. The fixed connection claw 7 is fixed to the opening side of the main body 2, and the angle of the scissors surface 8 is constant. The movable connecting claw 6 has a hook shape as a whole, has a base portion 9 continuous with the scissor surface 8 at the tip, and the base portion 9 is provided with a female screw. The movable connecting claw 6 is a female screw of the base portion 9 and is screwed into the bolt 10 of the screw portion 4, and a turning fulcrum 11 is provided at a bent portion before the base portion 9.
The rotation fulcrum 11 is provided by hanging a bolt and nut between the U-shaped grooves of the main body 2, and is rotatable with respect to the movable connecting claw 6.

The screw portion 4 has a structure in which a screw hole 12 is formed in the surface of the main body 2 which is slightly in contact with the spine of the movable connecting claw 6 from the center in the longitudinal direction.
The bolt 10 is rotatably provided in the screw hole 12 through the clamping jaw 13 and the washer plate 14. In this embodiment, the screw hole 12 is formed in an oval shape, and the length thereof is wide enough to allow the bolt 10 to be tilted. The bolt 10 is screwed to the female screw of the base 9 of the movable connecting claw 6.

The formwork panel 20 is a square steel face plate 2
A groove frame 22 is provided on the peripheral portion of one surface of 1. The steel groove frame 22 is formed of a prismatic body on all four sides, and the groove 23 is formed on the inner prismatic surface of the prismatic body. The groove 23 has an irregular V-shape, and the face plate 21 side is a steep inclined surface 24 having a steep angle with respect to the inner side surface, and the open side is a slightly inclined gentle inclined surface 25. In this embodiment, the gently inclined surface 25
The angle with respect to the inner surface of is 45 degrees. The groove frame 22 has a prismatic shape with the thickness of the face plate 21 in the thickness direction of about 55 mm and the thickness of the face plate 21 in the width direction of about 60 mm.

Reference numeral 26 is a horizontal rail, and a plurality of horizontal rails are provided between the groove frames 22 in the width direction of the form panel 20. The height of the crosspiece 26 is the same as that of the groove frame 22.

Next, the operation of the embodiment of the present invention will be described. Although the form panel 20 has different sizes, a groove frame 22 made of prismatic members having the same size and width is provided around the face plate 21. The formwork panels 20 are arranged in the horizontal and vertical directions in a plane direction according to the building on the site, and are connected by the formwork connecting panel clamp 1.

When connecting the form panel 20, the connecting claw 3
The movable connecting claw 6 is opened by the screw portion 4. In order to open the scissors surface 8 of the movable connecting claw 6, the bolt 10 of the screw portion 4 screwed to the base portion 9 is loosened by the clamping jaw 13, and the base portion 9 is positioned at the foot side end portion of the bolt 10. Then, the bolt 10 becomes slanted in the screw hole 12, and the scissors surface 8 rotates around the rotation fulcrum 11 and opens. In this state, the main body 2 of the formwork connecting panel clamp 1 is applied to the groove frame 22 of the formwork panel 20, and the fixed connecting pawl 7 of the connecting pawl 3 is engaged with the groove 23 of the groove frame 22. Since the connecting claw 6 is open, the groove 23 of the groove frame 22 is
Is not engaged in. In that state, the bolt 10 of the threaded portion 4
If you turn it by the clamping jaw 13 and close it,
Since the base portion 9 screwed to the bolt 10 is displaced toward the head portion of the bolt 10, the scissors surface 8 rotates about the rotation fulcrum 11 and engages with the groove 23.

The angle formed by the scissor surface 8 of the connecting claw 3 with the longitudinal surface of the main body 2 and the angle formed by the gently inclined surface 25 of the groove 23 with the surface direction of the face plate 21 of the groove frame 22 are both 45 degrees. Therefore, the scissors surface 8 and the gently inclined surface 25 closely contact and engage with each other when the bolt 10 is perpendicular to the back surface of the main body 2.

When the grooved frames 22 of the mold frame panels 20 arranged in two planes are sandwiched by the connecting claws 3, the wing portions 5 provided at the left and right ends of the main body 2 are pressed by the screw portions 4 to form the respective molds. Since the crosspieces 26 of the frame panel 20 are pressed, the frame panels 20 are firmly pressed by the two-point support, and the frame panels 20 are prevented from bending at the connecting portion.

The wing portion 5 projects right and left in a T shape, and the position of the wing portion 5 is such that the surface of the wing 26 can be mounted either in the same direction as the rail 26 or in the direction perpendicular to the rail 26. It can be pressed down securely with two-point support.

[0025]

Therefore, according to the present invention, there is no need for shattering, flap material, etc. as in the prior art, and the form panel can be very easily and firmly connected by only the form connecting panel clamp. The unit can be configured. There is an effect that assembling this unit can be performed in a very short time and easily as compared with the conventional case.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view showing a state in which a formwork connecting panel clamp of the present invention sandwiches a groove frame of a formwork panel;

FIG. 2 is a front view of a form-connecting panel clamp.

FIG. 3 is a side view of a panel clamp for connecting formwork.

FIG. 4 is a front explanatory view of a case where a formwork connecting panel clamp is attached to a formwork panel.

[Explanation of symbols]

 1 Formwork connection panel clamp 2 Main body 3 Connection claw 4 Screw part 5 Wing part 6 Movable connection claw 7 Fixed connection claw 11 Rotation fulcrum 20 Formwork panel 22 Groove frame 23 Groove

Claims (2)

[Scope of utility model registration request] 1. A main body composed of an elongated frame having a groove portion, wing portions for pressing adjacent form frame panels on both sides in the longitudinal direction of the main body, and two engagable grooves in the groove frame of the adjacent form frame panels. A form clamp connecting panel clamp, comprising: a connecting claw, one connecting claw being a movable connecting claw, and the other connecting claw being a fixed connecting claw. 2. A main body composed of an elongated frame having a groove portion, wing portions for pressing adjacent form frame panels on both sides in the longitudinal direction of the main body, and two engageable with grooves of groove frames of the adjacent form frame panels. A connecting pawl, one connecting pawl is a movable connecting pawl, the other connecting pawl is a fixed connecting pawl,
In addition, the formwork connecting panel clamp is characterized in that the movable connecting claw has a rotation fulcrum and a screw portion.