JPH09175773A - Insert for side ditch block and lowering member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by composing an insert, which is to be buried in both side walls to which a side ditch block faces, of a bottomed tube body and a flanged tube body, and make it possible to hang it by only inserting a lowering member into it and complete hanging work only by pulling out the lowering member. SOLUTION: When a side ditch block is to be lowered, first, a swollen part 19 of the lowering member 4 is inserted into an insert 1 buried in the side wall of the side ditch block beforehand and engaging it with a step portion 16. In order to bury the insert 1 in the side wall of the side ditch, a bottomed tube body 2 and a flanged tube body 3 are fitted together and concreted by fitting it in a specific form so that the bottomed tube body 2 may face toward the inside of the side wall and the flanged tube body 3 may face outward of the side wall. Hanging work is completed by drawing out the lowering member 4 from the insert 1 after connecting a hanging wire 2 to a hook 18 on the lowering member 4, hanging down the side ditch block using a specific crane or the like, and stationing the block.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gutter block insert and a suspension member, and more particularly, to an insert embedded in a side wall of the gutter block and a suspension member for suspending the gutter block. The present invention relates to a hanging member for hanging.

[0002]

2. Description of the Related Art Conventionally, this kind of insert is not
As a gutter block having a structure for hanging, a concrete product for waterway construction disclosed in Japanese Utility Model Laid-Open No. 61-89025 is known as a conventional example.
Also, as an insert to be embedded in concrete,
The concrete embedding insert disclosed in Japanese Utility Model Publication No. 57-136712 is known.

The above concrete products for waterway construction are
Through holes are provided in both side walls of the side groove facing each other, metal pipes are inserted through the both through holes, and hanging metal fittings are attached to both ends of the metal pipe to perform hanging.

Further, the concrete embedding insert has a structure in which a threaded portion is formed on the inner peripheral surface of a cylindrical body having a flange at the tip, and a screw made of synthetic resin is screwed to the threaded portion to temporarily mount it. It is something to stop.

[0005]

In the concrete product for constructing a water channel of this conventional example, before carrying out the suspending work, metal pipes are inserted into both insertion holes, or suspending metal fittings are provided at both ends of this metal pipe. It requires work to install,
On the contrary, after the completion of the work, the hanging metal fitting must be removed and the metal pipe must be removed, which causes a problem of poor workability.

Further, since the metal pipe is inserted through both the insertion holes, if the concrete pipe is hung unevenly on a sloping ground to cause an inclination, the concrete product may slide down on the lower side of the metal pipe. However, it also had the drawback of poor stability.

Further, in the concrete embedding insert of the conventional example, since the threaded portion is formed on the inner peripheral surface of the insert, it is necessary to rotate the insert mounting member every time it is attached and detached, which results in workability. There was the inconvenience of being bad.

Therefore, the concrete product for constructing a water channel in the conventional example has a problem to be solved to improve the workability of the suspending work and keep it in a stable state at all times. The concrete-embedded insert in 1 has a problem that must be solved in order to efficiently attach and detach the mounting member.

[0009]

As a concrete means for solving the above-mentioned problems of the prior art, the present invention is an insert buried in both side walls of a gutter block which face each other, wherein the insert is a bottomed cylinder and a flange. The bottomed tubular body has a step portion on the outer peripheral surface on the side of the opening, and a concave portion into which the step portion is fitted is provided on the flanged tubular body side, and the flanged tubular body The present invention provides a gutter block insert characterized in that a step portion with which a suspension member is engaged is provided inside.

Further, a taper surface is provided on the inner peripheral surface of the opening on the free end side of the flanged tubular body, and a step portion with which a suspending member engages is provided near the bottom portion of the bottomed tubular body. In addition, the bottom portion of the bottomed tubular body is formed with a punching groove at a boundary position with the tubular body, and a ring-shaped flange is formed along the outer peripheral surface of the bottomed tubular body. The structure is provided, and the stepped portion of the bottomed cylinder and the recess of the flanged cylinder are fitted via a spring member.

Further, a hanging member which is inserted into the insert of the gutter block and hangs, wherein a hook portion to which a hanging wire is connected is formed on one end side of the rod member.
The present invention provides a hanging member characterized in that a bulging portion having a predetermined length is formed on the other end side, and the bulging portion is formed by reducing a diameter of a part of a rod-shaped member. It is configured to do.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a first embodiment for carrying out the present invention will be described with reference to the drawings. First, in FIGS. 1 and 2, reference numeral 1 denotes an insert embedded in both side walls facing each other of the gutter block. The insert 1 is a bottomed cylinder 2 and a flange fitted to the bottomed cylinder 2. It is composed of an attached cylinder 3. Further, reference numeral 4 indicates a suspending member which is inserted into the insert 1 to suspend.

The insert 1 is made of, for example, a synthetic resin material such as plastic by an injection molding machine, and further, a long fiber-like fiber (for example, a trade name) opened into a synthetic resin material. : Funkster, manufactured by Chisso Co., Ltd. may be mixed and molded. The hanging member 4 is formed of, for example, a metal member.

The bottomed tubular body 2 has a cylindrical shape as shown in FIGS. 3 and 5, a bottom portion 5 is provided on one end side, and an opening portion 6 is provided on the other end side. A step portion 7 having a predetermined width is formed along the outer peripheral surface of the. A step portion 8 with which the suspension member 4 can engage is formed near the bottom portion 5 on the inner peripheral surface of the bottomed tubular body 2.

A punching groove 9 is formed in the bottom portion 5 at a boundary position with the tubular body. The bottom portion 5 can be easily removed by punching the bottom portion 5 with an appropriate jig, and the bottomed tubular body 2 is penetrated. Can be in a state.

As shown in FIGS. 4 and 5, the flanged cylinder 3 has a cylindrical shape having substantially the same thickness as the bottomed cylinder 2 and has openings 10 and 11 at both ends. A ring-shaped flange 12 is formed along the outer peripheral surface on the side of the opening 10 at one end, and the flange 12 has protrusions 13 formed at predetermined intervals along the outer peripheral surface as shown in FIG. Has been done. By forming the flange 12 in this manner, the insert 1 embedded in the side wall is fixed in a strong state.

A recess 14 is formed along the inner peripheral surface of the flanged tubular body 3 on the side of the opening 10 so as to be fitted into the step portion 7 of the bottomed tubular body 2. By adjusting the length L of the recess 14 and the step portion 7 in the fitted state, when the insert 1 is embedded in the side wall of the gutter block, the side wall form dimensions are slightly different. However, the length of the insert 1 can be easily adjusted by following the wall thickness of the side wall.

The opening 11 of the flanged cylinder 3
On the side, that is, on the inner peripheral surface of the opening on the free end side, a tapered surface 15 is formed. Therefore, not only is it easy to insert the suspension member 4 described later when it is inserted, but also when the insert 1 is attached and embedded in a predetermined mold, a holding member (not shown) to the mold is attached to the insert 1. It is easy to insert. Further, since the tapered surface 15 is formed, when the gutter block is suspended, as will be described later, interference between the bulging portion 19 of the suspension member 4 and the opening 11 is prevented, and chipping of the concrete opening is performed. Can be prevented.

Furthermore, on the inner peripheral surface of the flanged cylinder 3, a step portion 16 with which the suspending member 4 engages toward the opening 11 side is provided.
Are formed.

The hanging member 4 has a hook portion 18 to which a hanging wire is connected at one end of a rod member 17,
A bulging portion 19 having a predetermined length is formed on the other end side. The bulging portion 19 is inserted into the insert 1 and engaged with the step portion 16.

The bulging portion 19 may be formed by reducing the diameter of a part of the rod-shaped member 17. In this case, the bulging portion 19 can be easily formed.

In order to embed the hanging member 4 described above in the side wall of the side groove, the bottomed cylinder 2 and the flanged cylinder 3 are fitted in advance, and the bottomed cylinder 2 is placed inside the side wall. Direction, the cylindrical body 3 with the flange may be attached to a predetermined formwork so as to face the outside of the side wall, and concrete may be poured.

Next, FIG. 7 shows a second embodiment. This second
In the embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the details are omitted. In the second embodiment, a ring-shaped flange 23 is formed along the outer peripheral surface of the bottomed tubular body 2, and projections 24 are formed at predetermined intervals along the outer peripheral surface of the flange 23. . By forming the flange 23 in this manner, the insert 1 embedded in the side wall is fixed in a strong state.

Further, ribs 25 are formed along the side surfaces of the flanges 23 and 12 to more firmly fix the flanges.

Further, a spring member 26 is arranged between the stepped portion 7 of the bottomed tubular body 2 and the recess 14 of the flanged tubular body 3. Therefore, when the insert 1 is embedded in the side wall of the gutter block, the insert 1 is attached while being pressed against both molds on the side wall, so that it does not deviate from the mold due to vibration during concrete pouring.

Next, a method of suspending the gutter block using the insert 1 for the gutter block and the suspending member 4 will be described. First, as shown in FIG. 8, the bulging portion 19 of the suspending member 4 is inserted into the insert 1 which is previously embedded in the side wall 21 of the gutter block 20, and the step portion 1 is inserted.
Engage with 6.

Then, the suspension wire 22 may be connected to the hook portion 18 of the suspension member 4, and the gutter block 20 may be suspended by a predetermined crane or the like. At this time, in the air, the gutter block 20 in the prone state is rotated in the opposite direction with the positions of both inserts 1 as fulcrums. Further, after the suspending work is completed, the suspending member 4 only needs to be pulled out from the insert 1, so that the workability is good.

When the insert 1 is inserted from the inner side 21a of the side wall 21, the bottomed cylindrical body 2 is used as described above.
The bottom portion 5 of the above may be removed by driving it with an appropriate jig, and the bulging portion 19 of the hanging member 4 may be inserted from the bottom portion 5 side and engaged with the step portion 8.

[0029]

As described above, the insert for the gutter block according to the present invention is an insert buried in the opposite side walls of the gutter block, and the insert includes a bottomed cylinder and a flanged cylinder. The bottomed tubular body is formed with a step portion on the outer peripheral surface on the opening side, and a concave portion into which the step portion fits is provided on the flanged tubular body side and is suspended inside the flanged tubular body. By providing the stepped portion with which the member engages, the length of the stepped portion and the recessed portion in the fitted state can be adjusted to make the form dimensions of the side wall subtle when the insert is embedded in the side wall of the gutter block. Even if it is different, it has an excellent effect that the length of the insert can be easily adjusted by following it.

Further, since the stepped portion with which the suspending member engages is provided inside the flanged cylinder, the screwing work is not required unlike the conventional insert, and the predetermined suspending member is simply inserted. You can hang it easily and in a stable state simply by doing
Since it suffices to pull out the hanging member, the workability is improved.

By providing a taper surface on the inner peripheral surface of the opening on the free end side of the flanged cylinder, it is easy and convenient to insert the hanging member into the insert embedded in the side wall. In addition, when the gutter block is suspended, it is possible to prevent interference between the bulging portion of the suspension member and the opening, and to prevent chipping of the concrete opening.

Further, by providing a step portion near the bottom of the bottomed cylinder with which the suspending member engages, if the bottom is removed, a predetermined insert can be inserted not only from the outside of the side wall but also from the inside. It has an excellent effect that it can be engaged.

Further, since the bottom of the bottomed tubular body is formed with a punching groove at the boundary position with the tubular body, it has an excellent effect that it can be easily removed by punching the bottom with an appropriate jig. Play.

Since the ring-shaped flange is provided along the outer peripheral surface of the bottomed cylindrical body, the insert embedded in the side wall is fixed in a firm state, which is excellent in that it can be prevented from falling off from concrete. Produce the effect.

Further, by fitting the stepped portion of the bottomed tubular body and the recessed portion of the flanged tubular body via the spring member, when the insert is embedded in the side wall of the gutter block, both molds of the side wall are formed. Since it is attached to the frame in a pressed state, it has an excellent effect that it is not displaced from the form frame due to vibration or the like when pouring concrete.

Furthermore, a hanging member which is inserted into the insert of the gutter block and hangs, wherein a hook portion to which a hanging wire is connected is formed at one end of the rod member.
By forming the bulging portion having a predetermined length on the other end side, the bulging portion can be engaged with the stepped portion simply by inserting and attaching the insert.

The formation of the bulging portion has various excellent effects that the bulging portion can be easily formed by reducing the diameter of a part of the rod-shaped member.

[Brief description of the drawings]

FIG. 1 is a sectional view of an insert and a hanging member of a gutter block of a first embodiment according to the present invention.

FIG. 2 is a cross-sectional view showing a state in which a suspending member is attached to the insert of the gutter block of the first embodiment according to the present invention.

FIG. 3 is a cross-sectional view of a bottomed cylinder in the insert of the gutter block of the first embodiment according to the present invention.

FIG. 4 is a cross-sectional view of a flanged cylinder in the insert of the gutter block of the first embodiment according to the present invention.

FIG. 5 is a sectional view of an insert of the gutter block of the first embodiment according to the present invention.

FIG. 6 is a right side view of the gutter block insert of the first embodiment according to the present invention.

FIG. 7 is a partial cross-sectional view showing a state in which a hanging member is attached to the insert of the gutter block of the second embodiment according to the present invention.

FIG. 8 is a vertical cross-sectional view of the gutter block showing a state in which the insert and the hanging member of the gutter block according to the present invention are attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 insert 2 bottomed cylindrical body 3 flanged cylindrical body 4 suspension member 5 bottom part 6 opening 7 step part 8 step part 9 punching groove 10 opening part 11 opening part 12 flange 13 protrusion 14 concave part 15 taper surface 16 step part 17 rod shape Member 18 Hook portion 19 Bulging portion 20 Gutter block 21 Side wall 21a Inside 22 Suspended wire 23 Flange 24 Protrusion 25 Rib 26 Spring member

Claims (8)

[Claims] 1. An insert embedded in both side walls of a gutter block that face each other, the insert comprising a bottomed cylinder and a flanged cylinder, the bottomed cylinder being provided on an outer peripheral surface on the opening side. A gutter characterized in that a step portion is formed, a recess into which the step portion is fitted is provided on the flanged cylinder body side, and a step portion with which a suspending member engages is provided inside the flanged cylinder body. Block insert. 2. The insert for a gutter block according to claim 1, wherein a tapered surface is provided on the inner peripheral surface of the opening on the free end side of the flanged cylinder. 3. The stepped portion with which the suspension member engages is provided near the bottom of the bottomed tubular body.
Insert of the gutter block described in. 4. The insert for a gutter block according to claim 1, 2, or 3, wherein a punched groove is formed in a bottom portion of the bottomed tubular body at a boundary position with the tubular body. 5. The gutter block insert according to claim 1, 2, 3 or 4, wherein a ring-shaped flange is provided along the outer peripheral surface of the bottomed tubular body. 6. The side groove according to claim 1, wherein the stepped portion of the bottomed tubular body and the recessed portion of the flanged tubular body are fitted via a spring member. Block insert. 7. A hanging member which is inserted into an insert of a gutter block and hangs, wherein a hook portion to which a hanging wire is connected is formed on one end side of a rod-shaped member, and a predetermined hook is formed on the other end side. A suspending member having a bulged portion having a length. 8. The hanging member according to claim 7, wherein the bulging portion is formed by partially reducing the diameter of the rod-shaped member.