JP7507516B1 - Floor joint device - Google Patents

Abstract

To provide a floor joint device capable of absorbing shaking caused by an earthquake without damaging the structure, joint plates, etc.
[Solution] A floor joint device that seals a joint between one structure and the other structure, comprising a first joint plate support part formed on one structure, a locking pile provided on one structure, a second joint plate support part formed on the other structure, and a joint plate whose bottom on one end side is supported by the first joint plate support part, whose locking pile is inserted into a pile case, and whose other end side is supported by the second joint plate support part, the joint plate comprising a joint plate main body having a pair of pile cases provided on both sides of one end side, and a pile passage part formed on the side of the joint plate main body facing one structure and communicating with the pile cases, the locking pile having one end side fixed in an embedded state in one structure and provided so as to protrude into the first joint plate support part, and whose other end side passes through the pile passage part and is inserted into the pile case.
[Selected Figure] Figure 1

Description

The present invention relates to a floor joint device that seals the joints between structural members that are installed through the joints.

Conventionally, many floor joint devices are known that install a shallow dish-shaped joint plate body filled with a filling material in the joint between floor surfaces to close the joint. For example, as described in Patent Document 1, a widely known device is one that is composed of a shallow dish-shaped joint plate body, a filling material such as mortar or concrete that is filled inside the joint plate body, a decorative plate that covers the top surface of the filling material, a cover plate attached to the other end of the joint plate body via a hinge member, and a pair of pin cases attached to one end side of the joint plate body.

In a floor joint device using such a joint plate, as described in Patent Document 1, a pin fixed to a first joint plate support part is inserted into a pin case, the bottom of one end is supported by the first joint plate support part, and the other end is supported by the second joint plate support part so that it can slide left and right.

Although floor joint devices such as those described above can usually seal joints without any problems, in the case of joint plates used in areas where heavy vehicles such as trucks pass through, it is necessary to strengthen the joint plates.
However, when trying to increase the strength of the joint plate, it is necessary to inevitably make the joint plate thicker to correspond to its strength. In such cases, it becomes necessary to make the insertion pin larger than a normal pin, and therefore, it is necessary to make the pin case larger as well.

However, if the joint plate is made thicker, the load on the bottom end of the pin during an earthquake also increases, which raises the risk that the strength of the first joint plate support part to which the pin is fixed may be insufficient. Specifically, the first joint plate support part is formed on the joint side of one of the structures, and the distance between the bottom end of the pin and the joint part cannot be made large. As a result, when a load is applied to the pin in the direction of the other structure during an earthquake, there is a risk that the pin may fall off along with the first joint plate support part.

In addition, the pin case lid that appears on the surface (top) of the joint plate also needed to be large, which created the problem of spoiling the aesthetic appearance.

JP 2021-059913 A

In view of the above-mentioned conventional shortcomings, the present invention aims to provide a floor joint device that can absorb shaking caused by earthquakes without damaging the structure, joint plates, etc.

The above and other objects and novel features of the present invention will become more fully apparent from the following description taken in conjunction with the accompanying drawings.
However, the drawings are for illustrative purposes only and are not intended to limit the technical scope of the present invention.

In order to achieve the above object, the floor joint device of the present invention described in claim 1 is a floor joint device for closing a joint between one frame and another frame, and is composed of a first joint plate support part having a recessed shape formed so as to extend in the front-rear direction on the floor surface on the joint side of the one frame, a locking pile provided on the one frame, a second joint plate support part formed on the other frame, and a joint plate whose bottom part on one end side is supported by the first joint plate support part, the locking pile is inserted into a pile case, and whose other end side is supported by the second joint plate support part, and the joint plate has both ends on one end side. The engaging pile is composed of a joint plate main body having a pair of pile cases provided on its sides, and a pile passage portion formed on the side of the joint plate main body facing the one of the structures and communicating with the pile case, and the engaging pile has a pile member shaped having one end, a horizontal portion that is continuous with the one end and extends approximately horizontally toward the other structure, and the other end that is continuous with the horizontal portion and extends upward vertically or at an angle toward the one of the structures via a bent portion, and is characterized in that one end of the pile member is located on the one of the structures side relative to the first joint plate support portion, and the other end side passes through the pile passage portion and is inserted into the pile case.

The retaining pile of the floor joint device described in claim 2 is characterized in that the retaining pile is composed of a plate-shaped base portion fixed to one of the structures and the pile member having one end fixed to this base portion, and the pile case is formed into an approximately right-angled trapezoidal shape.

The floor joint device described in claim 3 is characterized in that the first joint plate support portion further includes a trim material that is generally angular in cross section and covers the first joint plate support portion, and has a communication portion formed therein that communicates with the pile passage portion.

As is clear from the above description, the present invention provides the following advantages:
(1) In the invention described in claim 1, one end of the locking pile is embedded in one of the structures, so that the distance from the fixed portion of the locking pile to the joint portion can be made large, and the load on the locking pile can be sufficiently supported by one of the structures.
Therefore, the shaking caused by an earthquake can be absorbed without the structure, joint plates, etc. being damaged during an earthquake.
(2) The invention described in claim 2 also has the same effect as (1), and since the pile case is formed as a roughly right-angled trapezoid as a whole, even if the upper surface of the pile case is exposed to the upper surface of the joint plate, the area of the pile case cover can be reduced, thereby improving the aesthetic appearance.
(3) Furthermore, the shape of the anchoring piles can more smoothly absorb shaking caused by earthquakes.
(4) In the invention described in claim 3, the same effects as those in (1) and (2) above can be obtained, and the first joint plate support portion can be protected from scratches and the like.

1 to 8 are explanatory diagrams showing a first embodiment of the present invention.
9 to 12 are explanatory diagrams showing a second embodiment of the present invention.
FIG. 1 is a plan view of a floor joint device showing a first embodiment (in normal operation). FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. An explanatory diagram of one of the structures. An explanatory diagram of the locking pile. An explanatory diagram of trim material. An explanatory diagram of a joint plate. An explanatory diagram of operation when the joint has narrowed due to an earthquake. An explanatory diagram of operation when the joint has widened due to an earthquake. FIG. 5 is a plan view of a floor joint device showing a second embodiment (in normal operation). 10 is a cross-sectional view taken along line 10-10 in FIG. 9 . An explanatory diagram of one of the structures. An explanatory diagram of a joint plate.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the drawings.
In the first embodiment for carrying out the present invention shown in Figures 1 to 8, reference numeral 1 denotes a floor joint device installed between one body 3 and another body 4 provided with a joint portion 2 interposed therebetween.

Note that the left-right direction refers to the left-right direction in Fig. 1 (plan view), the front-rear direction refers to the up-down direction in Fig. 1, and the up-down direction refers to the up-down direction in Fig. 2.

In addition, in this invention, the framework refers to a structure in which a joint plate can be installed, such as a building, road, slab, elevator shaft, etc., and an entrance/exit includes not only an entrance/exit with a door or gate, but also a passageway through which people, vehicles, etc. can pass.

As shown in Figures 1 and 2, the floor joint device 1 of this embodiment is composed of a first joint plate support part 5 formed on one of the frames 3, a locking pile 6 provided on one of the frames 3, a second joint plate support part 7 formed on the other frame 4, and a joint plate 9 whose bottom part on one end side is supported by the first joint plate support part 5, the locking pile 6 is inserted into a pile case 8, and whose other end side is supported by the second joint plate support part 7.

As shown in FIG. 3, a first joint plate support portion 5 is formed on the joint portion 2 side of one of the structures 3. In this embodiment, this first joint plate support portion 5 is a recessed portion formed on the floor surface on the joint portion 2 side of one of the structures 3 so as to extend in the front-to-rear direction, and is a portion that supports the bottom of one end side of the joint plate 9.

This first joint plate support part 5 is provided so that one end is embedded in one of the structures 3, and a retaining peg 6 is provided so that the other end is exposed to the first joint plate support part.

Here, "one end of the retaining pile 6 is embedded in one of the structures 3" means that one end is located below the floor surface 3a of the one of the structures 3 where normal traffic is planned.

Applied to this embodiment, this means that, for example, one end of the retaining pile 6 is located closer to one of the structures 3 than the first joint plate support part 5 for installing one end of the joint plate (see Figures 2, 7, 8, etc.).

Therefore, in addition to the present embodiment in which one end of the retaining pile 6 is fixedly buried in mortar or the like, the concept of "one end of the retaining pile 6 being buried in one of the structures 3" of the present invention also includes configurations in which a removable cover-like flooring material or the like is provided on the top of the retaining pile 6.

In this embodiment, the retaining pile 6 has a plate-shaped base portion 10 that is fixed to one of the frames with bolts or screws, and a sickle-shaped pile member 11 (11b, 11c) that is fixed to the base portion 10 so that one end portion 11a intersects with the base portion 10, as shown in FIG.

In addition, the sickle-shaped pile member 11 is composed of a horizontal portion 11b that is fixed and connected to the plate-shaped base portion 10 so as to be approximately perpendicular to the plate-shaped base portion 10, a bent portion 11c that is connected to the protruding end of the horizontal portion and extends upward, and the other end portion 11d that extends from the bent portion 11c in an inclined state toward the floor surface 3a of one of the structures or extends vertically upward, and the other end portion 11d is inserted into the pile case 8 of the joint plate 9.

In this embodiment, a portion of the horizontal portion 11b is exposed to the first joint plate support portion 5, and the other end side (bent portion 11c and other end portion 11d) is also formed to be located at the top of the first joint plate support portion 5.

In a preferred embodiment, the base portion 10 of the engaging pile 6 and one end portion 11a and part of the horizontal portion 11b of the pile member 11 are embedded inside one of the structures 3. When fixing the base portion 10 etc. to one of the structures 3, the base portion 10 is fixed to the upper surface of the structure with bolts or the like, and then the floor surface of one of the structures 3 is formed with mortar, flooring material, etc. so that the base portion 10 and one end portion 11a of the pile member 11 are embedded.

The pile member 11 is formed in a shape consisting of one end 11a fixed to the base portion 10 by welding or the like, a horizontal portion 11b continuing from the one end 11a and extending substantially horizontally toward the other body, a bent portion 11c continuing from the horizontal portion 11b and bending in a smooth curve, and the other end 11d continuing from the bent portion and extending upward so as to slope vertically upward or toward one of the bodies 3. In this embodiment, the pile member 11 is formed in a substantially Tomoe shape overall, that is, the other end 11d extends upward so as to slope toward one of the bodies 3 (the bent portion 11c has an acute angle).

The "other end side of the retaining pile 6" that is inserted into the pile case 8 refers to at least the bent portion 11c and the other end 11d of the pile member 11, and depending on the shape of the pile member 11, part or all of the horizontal portion 11b may also be included on the other end side.

The locking pile 6 may have one pile member 11 fixed to one base portion 10, but in this embodiment, two pile members 11 are fixed to one base portion 10 at a predetermined distance so that they can be inserted into the pile cases 8 of adjacent joint plates 9. Also, multiple pile members 11 may be fixed to one long base portion 10 to form a locking pile 6, and one locking pile 6 may lock all the joint plates.

In this embodiment, the first joint plate support section 5 is provided with a rail-shaped parting material 14 that is generally angle-shaped in cross section and has a connecting section 13 that connects to the pile passage section 12 described below.

As shown in Figure 5, the trim material 14 is a metal member that extends in the front-to-rear direction, and at the portion where the locking pile 6 protrudes, multiple communication sections 13 through which the locking pile 6 passes are formed. The communication sections 13 need only be shaped so that the trim material 14 does not interfere with the locking pile 6, and are, for example, through holes with a horizontally elongated, roughly oval shape. In this embodiment, they are formed as roughly rectangular cutouts.

A recessed second joint plate support portion 7 is formed in the portion of the other structure 4 facing the one structure 3 via the joint portion 2. This second joint plate support portion 7 is formed to be large enough to allow the other end of the joint plate 9 to slide during an earthquake. In addition, a climbing inclined surface 15 is formed at the end of the second joint plate support portion 7 opposite the joint portion 2, onto which the other end of the joint plate 9 climbs when the joint portion 2 narrows due to an earthquake.

As shown in FIG. 6, the joint plate 9 is made of a metal joint plate body 16 that is generally rectangular in plan view, the pile case 8 provided on both sides of one end of the joint plate body 16, a filling member 17 such as mortar or concrete filled inside the joint plate body 16, a decorative panel 18 such as marble tiles or bricks attached to the top surface of the filling member 17, a cover plate 20 attached via a hinge member 19 to the other end of the joint plate body 16, and a pile passage portion 12 formed on the side of the joint plate body 16 on one side of the structure 3 and communicating with the inside of the pile case 8.

In this embodiment, the pile case 8 has a shape with at least a portion of the lower part open, and is preferably formed into a box shape that is an approximately right-angled trapezoid as a whole when viewed from the front. Specifically, the side surface on one of the bodies 3 is formed approximately vertically, and the side surface facing this side surface (the side surface on the other body side) is an inclined surface 21 that slopes toward one of the bodies 3. The shape of the pile case 8 is preferably a right-angled trapezoid such that the area of the top surface is narrower than the bottom surface, and it may be a shape other than an approximately right-angled trapezoid, such as a box shape that is approximately rectangular or has arc-shaped sides.

In addition, if the side surface of the pile case 8 facing one of the structural members 3 is provided as a separate body from the joint plate body 16, a pile passage portion 12a through which the pile member 11 of the retaining pile 6 can pass is also formed on the side surface of the pile case 8 facing one of the structural members 3.

The retaining pile 6 and pile case 8 are formed in a shape such that when the retaining pile 6 is inserted into the pile case 8, the joint plate body 16 and the pile case 8 do not interfere with the retaining pile 6. Preferably, the other end of the retaining pile 6 is in a state of approximately abutment (contact or having a small gap) with the inclined surface 21, and the upper end is in a state of approximately abutment with the inner surface of one of the body 3 sides of the pile case 8.

In this state, even if the joint 2 widens due to an earthquake, the joint plate 9 does not significantly displace left and right relative to one of the structures 3, and even if the joint narrows, the other end smoothly climbs up the slope 15, absorbing the shaking caused by the earthquake.

In this embodiment, the top of the pile case 8 is covered with a decorative plate 18, and the top surface of the pile case 8 is not exposed on the surface of the joint plate 9. With this configuration, almost the entire top surface of the joint plate body 16 can be covered with the decorative plate 18, improving the aesthetic appearance.

When the structural members 3 and 4 sway left and right in an earthquake and the joint 2 narrows, they climb up the slope 15 as shown in Figure 7, becoming inclined and absorbing the shaking caused by the earthquake.

When an earthquake causes the structural members 3 and 4 to sway left and right and the joint section 2 to widen, as shown in Figure 8, the other end of the joint plate 9 slides on the top surface of the second joint plate support section 7, absorbing the shaking caused by the earthquake.

At this time, one end of the retaining pile 6 is fixed in a buried state in one of the structures 3, so the distance to the joint section 2 can be made large, and therefore even if a large force is applied to the retaining pile 6, the retaining pile 6 can be prevented from falling off along with the first joint plate support section 5.

[Different Modes for Carrying Out the Invention]
Next, different embodiments for carrying out the present invention will be described with reference to Figures 9 to 12. In describing these different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are designated by the same reference numerals and redundant description will be omitted.

The second embodiment of the present invention shown in Figures 9 to 12 differs from the first embodiment of the present invention mainly in that it has a pile case 8A with a lid 22 on the top, a joint plate 9A with the lid 22 of the pile case 8 exposed on the top, and a first joint plate support 5A without a trim material 14. This floor joint device 1A can achieve the same effect as the first embodiment of the present invention.

In this embodiment, the lid 22 of the pile case 8 is exposed on the upper surface of the joint plate 9A, but because the pile case 8 is formed in a right-angled trapezoid shape, the area of the lid can be reduced, resulting in an aesthetic appearance that is equivalent to or better than that of a normal joint plate.

In the embodiment of the present invention, a joint plate having a decorative plate and a cover plate is described, but these do not necessarily have to be provided.

Although a shallow dish-shaped joint plate body was used, a thick joint plate body with a pile case integrally molded on one end side may also be used.

The present invention is used in the floor jointing device manufacturing industry.

1: floor joint device; 2: joint portion;
3: One body, 4: The other body,
5, 5A: first joint plate support portion, 6: locking pile,
7: second joint plate support portion; 8, 8A: pile case;
9, 9A: joint plate, 10: base part,
11: pile member; 12: pile passage portion;
13: communication portion; 14: trim material;
15: Riding inclined surface; 16: Joint plate body;
17: Filler member, 18: Decorative plate,
19: hinge member; 20: cover plate;
21: Inclined surface; 22: Lid body.

Claims (3)

A floor joint device that closes a joint between one body and another body,
The joint plate is composed of a first joint plate support portion having a recessed shape formed in the front-to-rear direction on the floor surface on the joint portion side of the one of the structures, a locking pile provided on the one of the structures, a second joint plate support portion formed on the other of the structures, and a joint plate whose bottom portion on one end side is supported by the first joint plate support portion, the locking pile is inserted into a pile case, and whose other end side is supported by the second joint plate support portion,
The joint plate is composed of a joint plate body provided with a pair of pile cases provided on both sides of one end side, and a pile passage portion formed on the side surface of the joint plate body on the one body side and communicating with the pile case,
The engaging pile has a pile member having a shape consisting of one end, a horizontal portion that is continuous with the one end and extends substantially horizontally toward the other body side, and another end that is continuous with the horizontal portion and extends upward so as to be inclined vertically upward or toward one of the body sides via a bent portion;
A floor joint device in which one end of the pile member is located closer to one of the structures than the first joint plate support portion, and the other end passes through the pile passage portion and is inserted into the pile case. The floor joint device according to claim 1, characterized in that the engaging pile is composed of a plate-shaped base portion fixed to one of the structures and the pile member having one end fixed to this base portion, and the pile case is formed in an approximately right-angled trapezoidal shape. The floor joint device according to claim 1 or 2, characterized in that the first joint plate support portion further comprises a trim material that is generally angular in cross section and covers the first joint plate support portion, and has a communication portion formed therein that communicates with the pile passage portion.

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