JPH0217048Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to an insert device, which is used to temporarily fasten concrete to the surface of a temporary frame panel via a temporary stud member when pouring concrete to construct a ceiling slab, etc. in concrete building construction work. By keeping the temporary frame panel in place, it can be embedded and fixed in the surface layer so that it is exposed on the bottom surface of the slab after demolding, and it can also be fitted and fixed to a floor slab plate such as a deck plate independently. It can securely support any hanging rod member such as a hanging bolt or hanging wire that suspends necessary components such as electrical equipment materials, air conditioning materials, disaster prevention materials, etc., and also ensures that the hanging rod member does not get intruded by Toro during installation. This invention relates to an insert device for insertion and support.

Conventionally, when supporting required components such as ceiling base materials, electrical equipment materials, air conditioning materials, and disaster prevention materials by suspending them from slabs, etc., synthetic nuts containing nuts were used as one of the inserts to support various hanging rod members. When pouring concrete, a resin box body or an insert body with female screws is temporarily fixed to the surface of the temporary frame panel with nails, etc., and the female part that peeks out when the temporary frame panel is removed from the mold after the concrete solidifies. There are screw suspension bolts that can be screwed in (for example, Jikosho
Publication No. 47-35612, Publication No. 48-6819). Separately from this, a locking plate having a plurality of slanted upward pressure locking claws that are approximately bit into the circumferential surface of the hanging rod member around the insertion hole is housed in a synthetic resin box body, as described above. There is a method in which a suspension wire is forcibly inserted into a locking plate that appears after the temporary frame panel is removed (for example, Japanese Utility Model Publication No. 51-33630). The former is suitable for supporting suspension bolts, and the latter is suitable for supporting suspension wires.
Required parts to be suspended When using either hanging bolts or hanging wires depending on the hanging structure, load, or other circumstances, it is difficult to change or support them, and the support in the insert tool is difficult. I had no choice but to limit myself to that of the structure. Not only that, but
This type of insert tool is fixed to the temporary frame panel with temporary fixing nails, but the nails are often left as they are after the temporary frame panel is removed, which is dangerous, and it is difficult to fix the temporary frame panel. Although it is mainly used for attaching, there is also the hassle of having to prepare an insert tool of a completely different structure because the fixing means are different for floor slab plates such as deck plates.

Therefore, this invention was devised in order to eliminate the conventional drawbacks as mentioned above, and its gist is that the nut into which the inserted hanging rod member is screwed, and the approximately Install an appropriate number of locking plates that have a plurality of slanted and raised locking claw pieces around the insertion hole from below, and adjust the internal width of the female screw hole of the nut and the insertion hole of the locking plate. The box-shaped engagement support body is made smaller in size from the bottom, and the engagement ridge portion that fits and locks into the engagement step portion formed around the engagement support body is attached to the inside edge of the opening. The cap body is formed protrudingly on the engagement support body, and is capable of being fitted and connected to the temporary stud member or floor slab plate that is fixed to the temporary frame panel surface, and the suspension rod member is inserted therethrough. The fitting column is configured such that the fitting and connecting cylinder is configured such that the fitting and connecting cylinder is integrally formed with the connecting cylinder that is fitted and connected to the lower part of the engaging support by means of a connecting means via a locking step. An embodiment of this invention will be described below with reference to the drawings.

The reference numeral 1 shown in the figure is a temporary stud member, which has a fitting connection portion 3 formed on a plate-shaped base 2 that can be fixed to the surface of a temporary frame panel P1 that is framed to construct a concrete slab F and others. be.
The illustrated base 2 is formed into a disk shape, and has fixing holes 4 drilled at equal intervals through which three temporary fixing nails S are inserted, and a fitting connecting portion 3 formed at the center of the base 2. is cylindrical and stands upright so that a fitting connection cylinder 25 of a fitting column 24, which will be described later, is fitted therein. Of course, since this fitting connection part 3 itself is used for fitting and assembling the invented insert device 10 via the fitting and connecting tube 25, it is sufficient as long as there is no problem in fitting and assembling it. Since the cylinder 25 itself is hollow, it may be formed into a pin column-shaped fitting connection part 3 that is fitted inside the cylinder 25 itself. However, as shown in the figure, when the lower part of the fitting connection cylinder 25 is to be fitted into the fitting connection part 3, when removing the temporary stud member 1 after demolding the temporary frame panel P1, The area around the fitting connection tube 25 also looks like it has been gouged out, so the suspension bolt B1 and suspension wire B2
This helps to make it easier to visually confirm the position when inserting.

The insert device 10 also includes an engagement support body 11 made of a synthetic resin such as polypropylene resin, which is left buried in the concrete slab F and supports the suspension rod members, that is, the suspension bolt B1 and the suspension wire B2. It is composed of a cap body 22 and a fitting column body 24.

The engagement support 11 includes the inserted hanging rod member,
In other words, the nut 1 into which the hanging bolt B1 is screwed
5. An appropriate number of locking plates 18 through which the hanging wire B2 is inserted and locked are sequentially installed from below, and are formed into a box shape in which two parts are joined together. Locking plate 1
Reference numeral 8 has a plurality of slanted upward-shaped retaining pawls 20 around the insertion hole 19 that substantially bite into the peripheral surface of the hanging wire B2, and includes a female threaded hole 16 of the nut 15 and an insertion hole 19 of the locking plate 18. The internal law width of the area gradually decreases from the bottom. In addition, nut 15, locking plate 1
8, the engagement support 11 has a hexagonal or square nut storage chamber 14 that matches the outer shape of the stored nut 15 to prevent it from idling, and a locking plate storage chamber 17 sequentially from the bottom. is formed,
These storage chambers 14 and 17 are located above the insertion opening 12 opened in the bottom wall of the engagement support 11 itself, communicate with each other, and are partitioned. At least the female screw hole 16 of the nut 15 and the insertion hole 19 of the locking plate 18 are exposed to the insertion port 12, and the nut 15 and the locking plate 18 are each connected to a hanging bolt B1 inserted from below, It is designed so that it does not wobble even if it is tied to the suspension wire B2.

In addition, as mentioned above, the engagement support 11 itself has a structure in which it is divided into two parts, the front and the rear, in order to house the nut 15 and an appropriate number of locking plates 18, and in order to connect each of the two divided pieces, A positioning fitting pin 13A is provided protrudingly on one side of those mating surfaces, and a pin hole 13 is provided on the other side at a position corresponding to the fitting pin 13A.
B is drilled. At that time, a fitting pin 13A is provided protruding from one of the left and right sides of the mating surface, and a pin hole 13B is drilled on the other side, so that each piece divided into the front and back has the same structure. Only one set of molds is required, making mold production easy and inexpensive.

The inner diameter of the insertion opening 12 is made larger than the diameter of the hanging bolt B1 so that it can be inserted therein, and the tip portion protrudes above the nut 15 when it is screwed into the nut 15. Therefore, the inner diameter of the cavity above the nut storage chamber 14 is also larger than the diameter of the hanging bolt B1. The same shall apply. On the other hand, a suspension wire B2 of a predetermined diameter is forcibly inserted into the locking plate 18, and similarly, a hollow portion corresponding to the diameter of the suspension wire B2 that engages and supports is provided above the locking plate 18. It has a cavity size that allows the locking claw piece 20 on the locking plate 18 to swing upward.

The locking plate 18 is made of a suitably thick spring steel sheet material with high elasticity, and in the illustrated example, the locking plate 18 has a rectangular main body with an M-shape extending toward the approximate center of the rectangular main body. The notches are arranged to face each other, and the notches are raised upwardly to form a pair of retaining claw pieces 20, and the space between the retaining claw pieces 20 is formed as an insertion hole 19. be. The present invention is not limited to this, but it is possible to make a plurality of radial cuts from the periphery to the center while leaving the periphery in a ring shape on the circular main body, and to raise the radial cuts upwardly. It is also possible to use a plurality of retaining pawl pieces, and cut the distal end edges of the retaining pawl pieces to form a circular hole to form an insertion hole (not shown).

Although the illustration shows an example in which one locking plate 18 is installed internally, a plurality of locking plates 18 may be installed internally, and in that case, the lower one is connected to a large-diameter suspension wire B.
The locking plate 18 and the nut 15 may be on either the upper or lower side, but usually the suspension wire is Since the suspension bolt B1 has a larger diameter than B2, the nut 15 is positioned below.

Furthermore, the outer shape of the engagement support 11 is not limited to a stepped, substantially truncated conical shape to facilitate fitting and closing of the cap body 22 as shown in the drawings, but may be arbitrary, such as a substantially rectangular parallelepiped shape. It is sufficient if the shape is such that it can be strongly bitten into and locked into the concrete slab F, as will be described later.

A cap body 22 that is attached to the engagement support 11
is a fitting stepped portion 21 formed around the engaging support 11.
A fitting ridge 23 that fits and locks is formed protruding inside the opening edge, and has an inner shape that follows the outer shape of the engagement support 11. The upper part of the fitting step 21 in the engagement support 11 has a larger diameter than the lower part thereof, and the inner edge of the lower end opening of the cap body 22 is brought into sliding contact with the outer surface of the upper part of the fitting step 21. By forcing the fitting ridge 23 into engagement with the fitting step 21, it is possible to securely close the cap body 22 to the engagement support 11 without separating it. . Incidentally, in order to strongly bite into the slab F, an engaging protrusion may be formed protrudingly on the outer surface, or a constricted portion may be recessed in the upper part (not shown).

On the other hand, a fitting column 24 is connected to the engagement support 11, which is fitted and connected to the temporary stud member 1 fixed to the surface of the temporary frame panel P1 or a floor slab plate P2 such as a deck plate or a keystone plate. be done. This fitting column body 24 can be fitted and connected to the temporary stud member 1 or the floor slab plate P2, and is connected to a fitting connection cylinder 25 through which the hanging bolts B1 and hanging wires B2 are inserted. A connecting cylinder 27 that is fitted and connected to the lower part of the engagement support 11 by a connecting means 28 is integrally formed via a locking step 26, and the connecting cylinder 27 is larger than the fitting connecting cylinder 25. The diameter gives it a roughly T-shaped side profile. The fitting connection cylinder 25 has a conical shape so that the lower part has a slightly smaller diameter than the upper part, so that it can be smoothly fitted and connected to the fitting hole H drilled in the fitting connection part 3 or the floor slab plate P2. At the same time, it is a good idea to consider making it stronger. Further, the connecting cylinder 27 is open at the top, and the fitting stepped portion 21 of the engagement support 11
It is adapted to be fitted onto the lower part of the body from below.

At this time, the connecting means 28 that connects the engaging support 11 and the fitting column 24 may be affected by the pressure of the concrete material to be poured, etc.
This prevents disassembly and separation of the fitting column 24 and the connecting column 24, which is hollow in the illustrated example.
A connecting hole 29A is provided in the locking step portion 26 which is the bottom wall portion of 7.
A bifurcated connecting pin 29B is provided on the bottom of the engaging support 11, and an engaging ridge 29C that engages with the connecting hole 29A projects outward from the connecting pin 29B. It is something. Engagement ridge 29C
The outer portion of the tip of the connecting pin 29B has a substantially L-shaped side surface having an inclined surface that elastically slides into contact with the inner edge of the connecting hole 29A and an orthogonal surface that engages with the periphery of the connecting hole 29A. Although each piece of the engagement support 11 is provided with protrusions in a pair on the left and right, resulting in a total of two protrusions, it is also possible to have three or more protrusions. By doing so, the engagement support 11 and the fitting column 24 can be firmly connected by forcibly fitting the connection pin 29B into the connection hole 29A,
The engagement support 11 and the engagement column 24 are not disassembled by the pressure of the poured concrete material or other factors, and have a stable connection.

Furthermore, as shown in the figure, by positioning the upper end opening edge of the connecting tube 27 within the lower end opening edge of the cap body 22, the connecting tube 27 can be
The engagement support 11 can prevent the intrusion of Toro into the interior of the engagement support body 11,
Furthermore, it prevents the intrusion of torsion into the fitting column body 24,
Hanging bolt B1 to be inserted, nut 1 of hanging wire B2
5. Connection to each of the locking plates 18 can be ensured.

This device is constructed as described above, and its use will now be explained as follows: nut 15, locking plate 1
By fitting and closing the cap body 22 on the engagement support body 11 in which the insert 8 is installed, and by connecting the engagement column body 24 to the engagement support body 11 via the connection means 28, this invented insert device can be assembled. 10 (see Figure 2). As shown in FIG. 3, when attaching to the framed temporary frame panel P1, the temporary stud member 1 is first temporarily fixed with nails S, etc., and the fitting connecting tube is attached to the fitting connecting portion 3. By fitting 25, the invented insert device 10 is supported like a standing leg, and as shown in FIG.
2, by opening a mounting hole H corresponding to the outer diameter of the fitting connecting cylinder 25 and fitting the fitting connecting cylinder 25 into this mounting hole H, this invented insert device 10 can be supported in a erected form. Let it happen. Then,
After pouring concrete and solidifying, temporary frame panel P
1 to form a concrete slab F, and the remaining temporary stud members 1, nails S, etc. are removed, and ceiling base members to be suspended, electrical equipment materials, air conditioning materials, and disaster prevention materials are prepared. Either the hanging bolt B1 or the hanging wire B2, which is selected depending on the load of other required members, the supporting means, etc., is fitted to the column 24.
Insert through the opening at the bottom of the fitting connection cylinder 25,
It is connected and suspended by screwing and pressing either the nut 15 or the locking plate 18 in the engagement support 11. For example, as shown in FIG. 4, a hanging wire B2 having a hook shape at the lower end is forcibly inserted, and a cable W is laid and wired in the hook part, or as shown in FIG. , and attach the lighting fixture L to the hanging bolt B1, or as shown in Fig. 5, the wiring box 0 such as an outlet box can be directly fixed to the bolt B3 without using the hanging bolt B1. be.

Therefore, when installing this type of insert when constructing the concrete slab F, there is no need to determine the types of the suspension bolts B1 and suspension wires B2 in advance, and it is not necessary to determine the types of suspension bolts B1 and suspension wires B2 in advance after the construction of the concrete slab F is completed. Hanging bolts B1 and hanging wires B2 can be selected and used depending on the load of the required member and the hanging structure, and this insert device 10 alone can be used to insert a floor slab plate into the temporary frame panel P1 in combination with the temporary stud member 1. P2 can be used properly depending on each construction site, and temporary stud member 1
There is no waste as it can be reused.

In particular, since the engagement support 11 is joined in two parts, the interior of the nut 15 and the locking plate 18 is easy, and when the divided pieces are joined together, there is a slight difference between the mating surfaces of the parts. Even if the cap body 22 is closed to the engagement support 11 even if the cap body 22 is empty,
The connecting cylinder 27 that is fitted and connected to the lower part of the engagement support 11 prevents any intrusion of the concrete material to be poured. Moreover, the engagement support 1 is provided at the opening edge of the cap body 22.
Since the fitting ridge 23 that fits and locks into the fitting stepped portion 21 formed around the opening is formed protruding from inside the opening edge, the fitting support 11 and the cap are connected when the fitting is closed. It is firmly connected to the body 22 and will not be separated and dismantled even by the pressure and impact of the concrete material.

Also, inside the engagement support 11, there is a nut 15 into which a suspension member such as the suspension bolt B1 is screwed, and a plurality of slanted upward-shaped retaining pawl pieces 20 that substantially bite into the circumferential surface of the suspension member such as the suspension wire B2. Since an appropriate number of locking plates 18 having a number of locking plates 18 having a number of locking plates 18 having a number of
In addition, the suspension wire B2 without the suspension wire B2 can be connected to any one of the locking plates 18 according to its diameter. At this time, if the hanging bolt B1 is screwed to the nut 15, it will be firmly connected.
In the case of the suspension wire B2, the retaining claw pieces 20 are substantially bitten into the periphery of the suspension wire B2, thereby firmly connecting the wire. Even if it is allowed to be inserted from below, the end edge of the suspension wire B will be bitten.
This gripping action becomes more pronounced as the load increases, and even if there is a slight difference in the diameter of the hanging wire B2, this can be handled, and its support stability is extremely strong. It is.

Not only that, but the female screw hole 1 of the nut 15
6. The inner width of the insertion hole 19 of an appropriate number of locking plates 18 is gradually decreased from the bottom, so that the suspension bolt B1, which is normally larger than the diameter of the suspension wire B2, can also be used with the nut 15.
Even when selecting and using suspension wires B2 of different sizes and diameters, by incorporating a plurality of locking plates 18, the corresponding locking disks 18 can be inserted into the insertion holes. 19 without any confusion.

On the other hand, the fitting column 24 has a fitting connecting cylinder 25 thereof.
However, since it can be fitted and connected to the temporary stud member 1 or the floor slab plate P2 fixed to the surface of the temporary frame panel P1, either the temporary frame panel P1 or the floor slab plate P2 can be connected depending on the construction site. This fitting connection tube 25 can also be set in
is designed so that the hanging bolt B1 and the hanging iron wire B2 are inserted through it, so that the engagement support 1 of the hanging bolt B1 and the hanging iron wire B2 that are inserted from below after installation is completed.
This allows for smooth guidance within 1. In addition, since the connecting cylinder 27 connected to the lower part of the engaging support 11 by the connecting means 28 is integrally formed via the locking step 26, it is firmly and fixedly connected to the engaging support 11. At the same time, when buried in the concrete slab F, the locking step portion 26 firmly engages and does not come off even when a large load is applied from below, and the hanging bolt B1 and hanging wire B2 are It can be firmly suspended and supported.

As explained above, according to this invention, it can be installed on either a temporary frame panel or a floor slab plate alone by using a temporary stud member, and can be used with either a hanging rod member such as a hanging bolt or a hanging wire. However, it can be firmly supported, the hanging rod member can be inserted and supported securely without the intrusion of the rod during installation, and it has extremely useful effects in practice, such as being simple in structure and easy to assemble.

[Brief explanation of the drawing]

The drawing shows one embodiment of this invention.
The figure is a partially cutaway exploded perspective view, Figure 2 is a cross-sectional view of main parts in an assembled state, Figure 3 is an exploded cross-sectional view when installing on a temporary frame panel via a temporary frame stud member, and Figure 4 is a hanging A cross-sectional view of how it is used when connecting and supporting steel wires, Figure 5 is a cross-sectional view of how it is used when it is directly bolted, and Figure 6 is a cross-sectional view of how it is used when it is attached to a deck plate. It is. B1... Hanging bolt, B2... Hanging iron wire, B3...
Bolt, F...Concrete slab, H...Mounting hole, L...Lighting equipment, O...Wiring box, P1
...temporary frame panel, P2...floor slab plate, S...
Nail, W...cable, 1...temporary stud member,
2... Base, 3... Fitting connection part, 4... Fixing hole, 10... Insert device, 11... Engagement support body, 12... Insertion port, 13A... Fitting pin, 13
B...Pin hole, 14...Nut storage chamber, 15...
Nut, 16... Female threaded hole, 17... Locking plate storage chamber, 18... Locking plate, 19... Insertion hole, 20...
Pressing claw piece, 21... Fitting step portion, 22... Cap body, 23... Fitting ridge, 24... Fitting column body, 25
... Fitting connection tube, 26 ... Locking step, 27 ... Connection tube, 28 ... Connection means, 29A ... Connection hole, 2
9B...Connection pin, 29C...Engagement ridge.

Claims (1)

[Claims for Utility Model Registration] 1. A nut into which a predetermined inserted hanging rod member is screwed, and an appropriate number of retaining claws around the insertion hole that have a plurality of slanted upward-shaped retaining claws that substantially bite into the circumferential surface of the hanging rod member. The locking plate is installed sequentially from the bottom, and the internal width of the female screw hole of the nut and the insertion hole of the locking plate are made smaller sequentially from the bottom. A fitting ridge that fits and locks into the fitting step formed around the fitting support is formed protruding inside the opening edge, and a cap body that is attached to the fitting support and a temporary frame panel surface are formed. A connecting means is provided at the lower part of the engagement support in a fitting connection cylinder which is capable of being fitted and connected to the temporarily fixed stud block or floor slab plate to be fixed, and into which the hanging rod member is inserted. 1. An insert device comprising: a connecting cylinder that is fitted and connected; and a fitting column that is integrally formed via a locking step. 2. The connecting means opens a connecting hole in the locking step, and supports the bifurcated connecting pin, which has a connecting ridge protruding from its outer side and engages with the connecting hole. The insert device according to claim 1, which is protruded from the bottom of the body. 3 Utility model registration claim No. 1 in which the upper opening edge of the connecting cylinder is located within the lower opening edge of the cap body
The insert device according to item 1 or 2.