JPS6314153B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a flat plate-shaped locking portion between the adjacent abutting surfaces of each of the adjacent molds of opposing molds, so that the separator can also join the adjacent molds together. This invention relates to a joint-type concrete formwork separator that can be attached to a frame.

Conventional separators have an integral structure with mounting parts for attaching each end to the formwork, so when assembling the formwork, it is difficult to assemble the separator with the opposing formwork assembled respectively. Also, since the length of the separator is longer than the distance between the opposing formworks, in order to avoid the hassle of installing them, the opposing formworks on both sides are stacked one layer at a time.
We had no choice but to adopt a method of inserting separators. Furthermore, in this case, the distance between the opposing formworks had to be set and adjusted each time a separator was attached, resulting in poor construction efficiency.

The present invention is capable of assembling opposing formworks on both sides separately, and easily connecting the opposing formworks on both sides, and even when the opposing formworks on both sides are assembled separately. The purpose of the present invention is to provide a joint type concrete formwork expandable separator that can arbitrarily adjust the distance between opposing formworks.

In order to achieve the above purpose, the following configuration is used.

The present invention provides a cross-sectional shape that extends from a flat plate-shaped locking part that is removably attached between adjacent abutment surfaces of each adjacent formwork of opposing formwork to a protruding part into a poured concrete space. is a joint formed by forming a continuous portion 2 of approximately U-shaped grooves opening toward the sides in the longitudinal direction of this separator, and a U-shaped joint of the continuous portion of the joint with respect to the opposing formwork. An intermediate bar having a connector fitted into a groove screwed onto both ends, a through hole provided in the connector, and a direction along the longitudinal direction of the connector and the connecting part. and pins that pass through holes provided at appropriate intervals to removably connect the two.

The effects of the present invention are as follows.

Since the shape of the continuous portion is approximately U-shaped and opens laterally with respect to the length direction of the separator, the side Since the connector can be inserted from one side and the intermediate bar is shorter than the distance between the opposing formworks, the separator can be inserted into the opposing formworks when the opposing formworks are assembled separately. , can be easily installed. In addition, since the connection between the connector and the connecting portion only needs to be inserted from the side, the connection is easy, and a simple strong connection structure such as a pin connection can be formed.

Furthermore, since the connector and the intermediate bar are threadedly connected, and the connector and the joint are connected by pins through holes provided at appropriate intervals along the longitudinal direction of the continuous length, Fine and coarse adjustments can be made at each connection point, and the gap between the formworks can be adjusted either by assembling the opposing formworks separately or by simultaneously assembling the opposing formworks one step at a time. Distance can be adjusted arbitrarily.

The effects of the present invention are as follows: When installing a separator between opposing formworks, there are few restrictions on the assembly of formworks, so work can be carried out with high construction efficiency.

Embodiments of the present invention will be described below based on the drawings.

One end is formed into a flat plate-shaped locking part 1 that is removably attached between the adjacent abutment surfaces of the adjacent molds 5, 5 of the opposing molds 5, 5, and the other end is formed in a cross section U. In the joint A, which is bent into the shape of a square and is hardened while being formed in the continuous portion 2 for the connector 3, which will be described later, and also serves as a reinforcing recess,
A hole 1' for connecting to the adjacent formworks 5, 5 is formed by punching in the locking part 1, and a pair of holes 2' for inserting a connecting pin are formed in opposite side wall portions of the connecting part 2. , 2' are formed in plural pairs at appropriate intervals along the longitudinal direction. 3 is a suitable pair of holes 2', 2', . . .
This intermediate bar end connector is connected to the reinforcing recessed portion of the connecting portion 2 from above through a connecting pin 4 with a head that is detachably inserted into the connecting portion 2′. As shown in the figure, this connector 3 is connected to the connecting portion 2.
It has a width approximately equal to the distance between the inner surfaces of the pair of side walls facing each other across the U-shaped groove, and when inserted into the U-shaped groove, it is particularly suitable as shown in FIG. As shown, the left and right outer surfaces are both in contact with the inner surface of the opposite side wall of the U-shaped groove,
and a through hole 4' through which the connecting pin 4 is inserted.
At the same time, a female threaded hole 3'' is formed in the shaft core portion on the opposite side of the locking portion 1 with respect to the through hole 4'.

3' is made by connecting two joints A with the connectors 3 connected as described above, and screwing the male screws carved at both ends into the female screws 3'', 3'' of the connectors 3, 3, respectively. It is a long rod-shaped intermediate bar for connecting, and a pair of joints A, A.
Both internal threads 3″, 3″ in , one is a right-hand thread,
The other one has a left-hand thread.

The separator is constructed by connecting a pair of joints A, A via an intermediate bar 3', and the locking parts 1, 1 at both ends in the longitudinal direction are connected to the upper and lower adjacent formworks 5, 5...
is inserted between the abutting end surfaces of the peripheral side plates 5', 5'..., and the holes 1',
1' and the connecting holes 7 provided in the adjacent circumferential side plates 5', 5'...
7... in a phase matched state, each of these holes 1',
7, 7..., insert the U clips 6, 6 from their tips 6', 6' at position 8 indicated by the imaginary line in Fig. At the same time as the adjacent formworks 5, 5... are connected, the separator is connected to the connected formworks 5, 5....

In this state, when the intermediate bar 3' is rotated to the right or left, the joints A, A approach or separate from each other, making it possible to continuously finely adjust the overall length of the separator.

Fine adjustment of the separator length may be performed before connecting the separator to the opposing formwork, or in this case, after changing the relative position of the connector 3 and the connecting part 2, By selecting the holes 2' and 2' and connecting them with the pin 4, the separator length can be roughly adjusted.

Incidentally, if only fine adjustment is required and coarse adjustment is not necessary, only one pair of holes 2', 2' provided in the continuous portion 2 is sufficient.

[Brief explanation of the drawing]

The drawings show an embodiment of the joint-type expandable separator for concrete formwork according to the present invention, in which FIG. 1 is a side view, FIG. 2 is a plan view, FIG. Figures 5 and 5 are a partially cutaway side view and a plan view of the device connected to the formwork. 1...Locking part, 2...Connecting part, 3...Connector,
3'...Intermediate bar, 4...Pin, 5...Concrete formwork, A...Joint.

Claims (1)

[Claims] 1 Adjacent formworks 5, 5 of opposing formworks 5, 5, respectively
A projecting part into the poured concrete space from a flat plate-shaped locking part 1 that is removably attached between adjacent abutment surfaces of the separator, the cross-sectional shape is open to the side in the length direction of the separator. Joints A, A constituted by forming a continuous portion 2 of approximately U-shaped grooves.
, an intermediate bar 3' having connectors 3 screwed onto both ends, which fit into the U-shaped grooves of the connecting portion 2 of the joint A to the opposing formworks 5, 5; The connecting part 2 can be freely attached and detached by passing through the through hole 4' provided in the connector 3 and the holes 2' provided at appropriate intervals along the longitudinal direction of the connecting part 2. A joint-type concrete formwork expandable separator consisting of a pin 4 that connects both.