JPH0128197Y2 - - Google Patents

Description

[Detailed description of the invention] This invention provides a sheath pipe for fixing anchor bolts with mortar in a predetermined position on the foundation when pouring a concrete foundation for a building, and the installation level of the structure fixed on the foundation. The present invention relates to a burying jig such as a sheath pipe used for burying a level adjustment insert anchor for regulating.

When constructing a building, as shown in FIGS. 1 and 2, after a predetermined number of sheath pipes 2 and level adjustment insert anchors 3 are buried in predetermined positions of the foundation 1 when concrete foundation 1 is poured, A rubber formwork 4 is placed around it, and an anchor bolt 6 of the structure 5 is placed inside the sheath pipe 2 with mortar 7.
On the other hand, there is a construction method in which a level adjustment bolt 8 is screwed into the level adjustment insert anchor 3 and the height level of the structure 5 is adjusted by this bolt 8. In such a construction method, the finish of the building is affected by the buried position of the sheath pipe 2 and level adjustment insert anchor 3, so it is required to bury the sheath pipe 2 and level adjustment insert anchor 3 in the correct position. be done.

Conventionally, the jig used when burying the sheath pipe 2 and the insert anchor 3 for level adjustment in the foundation 1 was used to bury the sheath pipe 2 and the insert anchor 3 on the bottom surface of the substrate on both sides of the formwork for concrete foundation casting. Since it is placed across the ground, various jigs are required depending on the shape of the foundation and the location where it will be buried.
In other words, if the shape of the foundation or the buried location differs, the dimensions from a certain reference position to the sheath pipe 2 and insert anchor 3 will change, so different jigs must be prepared depending on the shape of the foundation and the buried location. .

Therefore, an object of the present invention is to provide a jig for burying a sheath pipe or the like that can be used for various foundation shapes and embedding sites.

Therefore, the present invention has a fixed frame that is removably attached to one side of the formwork for concrete pouring, a mounting part on one side, and a holding part for the sheath pipe and an insert anchor for level adjustment on the other side. The above object is achieved by a structure comprising a holding plate having a holding part, and a support means provided on the fixed frame and supporting the mounting part of the holding frame so that the position of the holding part can be adjusted in the height direction and horizontal direction. That is. In short, depending on the shape of the foundation and the buried location,
The holding plate is adjusted in the height direction and the horizontal direction to cope with changes in dimensions from a certain reference position to the buried position of the sheath tube and insert anchor.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 3 is an exploded perspective view showing the entire embodiment, FIG. 4 is a plan view of the assembled state, and FIG. 5 is a sectional view. The embedding jig of this embodiment includes a fixed frame 11 that is detachably attached to one side of the concrete foundation casting form 9, a supporting means 21 provided on the upper surface of this fixed frame 11, and a supporting means 21 provided on the upper surface of this fixed frame 11. The holding plate 31 is provided on the fixed frame 11 via a holding plate 31 whose position can be adjusted vertically and horizontally.

The fixed frame 11 includes a frame plate 12 and a frame plate 12.
and a tightening bolt 13 with a wing nut which is detachably fixed to one side of the formwork 9.
The frame plate 12 has rising pieces 14 that rise upward at right angles from both ends in the longitudinal direction, and a clamping piece 15 bent downward at right angles along one end edge in the width direction. A nut member 16 into which the tightening bolt 13 is screwed toward the clamping piece 15 is provided on the lower surface of the other edge in the width direction. This results in
After placing the fixed frame 11 on the upper surface of one side of the formwork 9, when the tightening bolts 13 are screwed together, the fixed frame 11 will be held in a state where the formwork 9 is held between the tightening bolts 13 and the holding pieces 15. Fixed.

The support means 21 includes a screw shaft 2 vertically protruding from the center of the upper surface of the frame plate 12 via a nut 22.
3, a level adjustment nut 24 with a washer screwed onto the screw shaft 23, and a washer 25 between the level adjustment nut 24 screwed onto the screw shaft 23 and the holding plate 31 in the height direction. and a fixing nut 26 that supports it so that its position can be adjusted in the horizontal direction. In other words, by changing the height position of the level adjustment nut 24 and fixing nut 26 with respect to the screw shaft 23, the height position of the retaining plate 31 can be adjusted, and by sliding the retaining plate 31 in the horizontal direction, the horizontal position can be adjusted. be able to.

The holding plate 31 is attached to the vertical part 32 of the L-shaped fitting 32.
At the upper end of A, an arm 33 serving as a mounting portion is clamped between the level adjustment nut 24 of the support means 21 and the washer 25 so as to be movable in the horizontal direction.
It is integrally fixed in the opposite direction to 2B. The arm 33 is formed with a long hole 34 that is slidably inserted into the screw shaft 23 . Further, in the horizontal part 32B of the L-shaped fitting 32, a holding part 3 for holding the sheath pipe 2 is provided in the center part.
Holding portions 36 for holding the level adjustment insert anchors 3 are formed at the four corners of the holding portions 5 and 5, respectively.
The holding portion 35 includes a guide tube 37 which is integrally provided in a central portion of the lower surface of the horizontal portion 32B and into which the upper inner circumferential surface of the sheath tube 2 is fitted, and a guide tube 37 that is bored at the center of the guide tube 37. It consists of a bolt insertion hole 38 and a bolt 39 that is screwed into the nut 2A provided at the lower end of the sheath tube 2 through the bolt insertion hole 38. Further, the holding portion 36 includes bolt insertion holes 4 drilled at the four corners of the horizontal portion 32B.
0, and a bolt 41 that is selectively inserted into these bolt insertion holes 40 and screwed into the female thread 3A of the level adjustment insert anchor 3.

On the other hand, FIGS. 6 and 7 respectively show retaining plates 51 and 61 that are selectively used in place of the retaining plate 31. The holding plate 51 shown in FIG.
An arm 33 is integrally attached approximately at the center of the upper end of the vertical portion 52A of the L-shaped fitting 52 in which the two L-shaped fittings 32 are arranged in series. Therefore, this product has a configuration of two units when the L-shaped fitting 32 is one unit.
In other words, two sheath tubes 2 and a maximum of eight level adjustment insert anchors 3 can be held.

Further, the holding plate 61 shown in FIG. 7 has two bolts 6 inserted into the two bolt insertion holes 40 of the holding plate 51.
The connecting plates 63 are connected to each other in an L-shape when viewed from a plane. The continuous plate 63 is connected to the L-shaped fitting 32.
The proximal end portion 63A is slightly bent so as to be flush with the lower surface of the horizontal portion 52B of the L-shaped fitting 52.
A nut 64 into which the bolt 62 is screwed is integrally attached to the base end 63A. Therefore, if the L-shaped fitting 32 is taken as one unit, this structure has three units, that is, three sheath pipes 2 and a maximum
It is designed to be able to hold 12 level adjustment insert anchors 3.

Next, how to use this embodiment will be explained. now,
When using the holding plate 31, the sheath tube 2 is held in the bolt insertion hole 38 of the L-shaped fitting 32, and the level adjustment insert anchor 3 is held in any one of the bolt insertion holes 40. In order to hold the sheath tube 2 in the bolt insertion hole 38, the upper end of the sheath tube 2 is fitted into the guide tube 37, and then the bolt insertion hole 38 is held.
Insert the bolt 39 from above, and
The lower end of the sheath tube 2 is screwed into the nut 2A of the sheath tube 2.
Then, the sheath tube 2 is held on the lower surface of the horizontal portion 32B of the L-shaped fitting 32 by the bolt 39, with the upper end fitted into the guide tube 37. In addition, in order to hold the level adjustment insert anchor 3 in the bolt insertion hole 40, insert the bolt 41 from above any bolt insertion hole 40, and attach the level adjustment insert to the bolt 41 protruding to the lower surface of the horizontal portion 32B. Screw together the female thread 3A of the anchor 3. Then,
Since the level adjustment insert anchor 3 and the head of the bolt 41 are in a state where the horizontal part 32B is held between them, the level adjustment insert anchor 3 is attached to the horizontal part 3.
It is held on the bottom side of 2B.

On the other hand, a fixed frame 11 is attached to one side of the formwork 9 at the buried position. To do this, when the frame plate 12 is placed on the upper surface of the formwork 9 and the tightening bolts 13 are tightened, the formwork 9 is clamped between the tightening bolts 13 and the clamping pieces 15. As a result, the fixed frame 11 is fixed to the formwork 9. Therefore, after removing the fixing nut 26 and washer 25 from the screw shaft 23 of the support means 21, the level adjusting nut 24 is adjusted to a predetermined height position. In this state, the screw shaft 23 is inserted through the long hole 34 of the arm 33 of the holding plate 31 that holds the sheath tube 2 and the level adjustment insert anchor 3, and the washer 25 is inserted into the screw shaft 23, and then the fixing nut is tightened. 26 are screwed together. Here, after sliding the holding plate 31 in the horizontal direction and aligning the sheath pipe 2 and the level adjustment insert anchor 3 with a predetermined position on the foundation 1, for example, with a predetermined dimension from the outer surface of the foundation 1,
Tighten the fixing nut 26 to fix the retaining plate 31.

Thereafter, as shown in FIG. 8, concrete is poured into the formwork 9 to form the foundation 1. After the foundation 1 is formed, the bolt 39 is attached to the nut 2 of the sheath pipe 2.
A and the bolts 41 from the female threads 3A of the level adjustment insert anchor 3, respectively, and then the fixed frame 11 is removed from the formwork 9. In this way, the sheath pipe 2 and the level adjustment insert anchor 3 can be buried at a predetermined position in the foundation 1. Note that FIG. 9 shows the L-shaped fitting 32 of the holding plate 31.
It shows a state in which the is aligned with the corner part of the foundation 1.

On the other hand, if the holding plate 51 is used and the L-shaped fitting 52 is positioned as shown in FIG. Can be buried. In this case, if two sets of embedding jigs are used and their L-shaped fittings 52 are positioned as shown in FIG. 11 or 12, four sheath pipes 2 and four The level adjustment insert anchor 3 can be buried at the same time.

Moreover, if the holding plate 61 is used and its L-shaped fittings 52 and connecting plate 63 are positioned as shown in FIG. 13, three sheath pipes 2 and three level adjustment The insert anchor 3 can be buried at the same time. In this way, the holding plate 31,
By selectively using 51 and 61, burying work can be performed in all parts of the foundation 1.

Therefore, according to this embodiment, the fixed frame 11 is detachably fixed to one side of the formwork 9, and the sheath pipe 2 and the level adjustment insert anchor 3 are held on this fixed frame 11 via the support means 21. Since the holding plate 31 is provided so that its position can be adjusted vertically and horizontally, even if the shape of the foundation 1 and the buried location are different, the fixing frame 11 can be attached to one side of the formwork 9 and the holding plate 31 can be slid horizontally. By doing so, the sheath pipe 2 and the level adjustment insert anchor 3 can be held in a predetermined position on the foundation 1. Therefore, unlike the conventional method, different embedding jigs can be prepared depending on the shape of the foundation and the embedding location. You don't have to.

In addition, since three types of retaining plates 31, 51, and 61 are prepared, even in the case where multiple sheath pipes 2 and level adjustment insert anchors 3 are buried in one location, if the retaining plates 51, 61 are used, Since a plurality of sheath pipes 2 and level adjustment insert anchors 3 can be held at predetermined positions on the foundation 1 at the same time, the burying work can be performed efficiently. Furthermore, since the positions of the sheath tube 2 and the level adjustment insert anchor 3 are defined with respect to each other by the retaining plate 51 or the retaining plate 61, the dimensions therebetween do not deviate. Furthermore, since the fixed frame 11 and the support means 21 can be used in common for the three types of holding plates 31, 51, and 61, the number of parts can be reduced and the structure can be made at low cost.

Furthermore, since the holding plate 61 has a configuration in which the holding plate 51 and the connecting plate 63 are connected, the holding plate 51 can be used in common.

In addition, in implementing the fixed frame 11, in addition to the structure described in the above embodiment, a movable plate that moves forward and backward toward the clamping piece 15 by an eccentric cam or the like is provided on the frame plate 12, and the movable plate and the clamping plate are connected. Piece 15 and formwork 9
In short, any structure that can be detachably attached to the formwork 9 may be used.

In addition to the configuration described in the above embodiment, the support means 21 may include, for example, a support provided protruding from the upper surface of the frame plate 12, to which the sliding block can be moved vertically and fixed with bolts or the like. The arm 33 of the holding plate 31 may be supported on this sliding block so as to be movable in the horizontal direction and fixed with bolts or the like.

Furthermore, the holding plates 31, 51, and 61 do not have to have an L-shape as in the above embodiment, but may have a flat plate shape, for example. However, if it is configured in an L-shape, the holding plates 31, 51, 6 can be
1 horizontal alignment can be performed. In other words, it is possible to bury the sheath pipe 2 and the level adjustment insert anchor 3 at a predetermined position in the foundation 1 simply by aligning the vertical plane with the water thread of the module core.

As described above, the present invention provides a burying jig that can easily hold the sheath pipe and the level adjustment insert anchor at a predetermined position on the foundation even when the shape of the foundation or the embedding location is different. can be provided.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the foundation and structure, Fig. 2 is a sectional view of the structure installed on the foundation, Fig. 3 is an exploded perspective view showing an embodiment of the present invention, and Fig. 4 is an exploded perspective view showing the foundation and the structure.
The figure is a plan view, FIG. 5 is a sectional view taken along the line -- in FIG. 4, FIGS. 6 and 7 are perspective views showing different holding plates, and FIG. , FIGS. 9 to 13 are plan views showing the arrangement of the holding plates. 1...Concrete foundation, 2...Sheath pipe, 3
... Insert anchor for level adjustment, 9 ... Formwork, 11 ... Fixed frame, 12 ... Frame plate, 13 ... Tightening bolt, 15 ... Clamping piece, 21 ... Supporting means,
23...Screw shaft, 24...Level adjustment nut, 2
6... Fixing nut, 31... Holding plate, 35... Holding section, 36... Holding section, 37... Guide tube, 38...
... Bolt insertion hole, 39 ... Bolt, 40 ... Bolt insertion hole, 41 ... Bolt, 51 ... Holding plate, 6
1...Retaining plate.

Claims (1)

[Claims for Utility Model Registration] (1) Installation level of a sheath pipe for fixing anchor bolts with mortar in a predetermined position on the foundation when a concrete foundation for a building is placed, and a structure fixed on the foundation. It is a jig used when burying insert anchors for level adjustment to regulate concrete foundations, and it has a fixed frame that can be detachably attached to one side of the formwork for concrete foundation pouring, and a mounting part on one side. and a holding plate having a holding part for the sheath tube and a holding part for the level adjustment insert anchor on the other side, and a mounting part of the holding plate provided on the fixed frame, the position of which can be adjusted in the height direction and horizontal direction. 1. A jig for burying a sheath pipe, etc., characterized by comprising a support means for supporting the pipe. (2) In claim 1 of the utility model registration claim, the fixed frame includes a frame plate having a clamping piece, and a tightening bolt that is screwed onto the frame plate and clamps the formwork between the clamping pieces. A jig for burying a sheath pipe, characterized by comprising: (3) In claim 1 or 2 of the utility model registration claim, the supporting means includes a screw shaft vertically protruding from the upper surface of the fixing frame, and a level adjustment nut screwed onto the screw shaft. and a fixing nut that is screwed onto the screw shaft and clamps the mounting portion of the holding plate movably in the horizontal direction between the level adjustment nut and the embedding of a sheath pipe or the like. Jig for use. (4) Utility model registration Claims In any one of claims 1 to 3, the holding portion of the sheath tube includes a guide tube provided on the lower surface of the holding plate and into which the inner surface of the upper end of the sheath tube fits; It consists of a bolt insertion hole drilled in the center of the guide tube, and a bolt that is inserted from above the bolt insertion hole and screwed into the lower end of the sheath tube fitted to the outside of the guide tube. A jig for burying a sheath pipe, etc., characterized by: (5) In any one of claims 1 to 4 of the utility model registration claim, the holding portion of the level adjustment insert anchor includes a bolt insertion hole drilled in the holding plate and a bolt insertion hole of the bolt insertion hole. A jig for burying a sheathed pipe, etc., comprising a bolt inserted from above and screwed into a level adjustment insert anchor.