JP7340293B1 - Joint plate and floor joint device - Google Patents

Abstract

An object of the present invention is to provide a floor joint device that can safely absorb shaking motion caused by an earthquake without injuring passersby. [Solution] A joint plate whose one end is supported by one body and whose other end is supported by the other body to close a joint between the one body and the other body, the body of the joint plate. a pile case provided on both sides of one end of the joint plate body; and a pile case provided at the bottom of the joint plate body to lift the joint plate body upward when the joint becomes narrow due to an earthquake. a raised piece, a substantially crank-shaped locking pile inserted into the pile case, a falling-off prevention means for preventing the locking pile from falling off the pile case, and the other end of the joint plate main body. It is characterized by being comprised of a cover plate provided via a hinge member. [Selection diagram] Figure 1

Description

The present invention relates to a joint plate and a floor joint device that close joints between building frames provided through joints.

Joint plates and floor joint devices that close the joints, especially joint plates and floor joint devices that close the joints of the floor parts of the building blocks with seismic isolation devices and other building blocks, are used because many people pass through them. Greater safety is required. When a floor joint device using a joint plate that rises up at one end to absorb shaking when the joint becomes narrow due to an earthquake is installed in such a joint, the raised end and the floor surface A large gap is created between the joints, and even if the joint can be closed to prevent it from opening, there is a risk of injury due to the large raised edges. In order to prevent such a situation, a floor joint device is also known that uses a joint plate whose both ends rise upward during an earthquake. Such a floor joint device includes, for example, a joint plate slide that is formed on the joint side floor surface of one of the left and right floor frames provided through the joint, and whose side opposite to the joint is sloped. The distal end is slidably supported in the support recess and the joint plate slide support recess, the rear end is pivotable upward toward the joint of the other of the left and right floor frameworks, and the distal end is pivotable upward; and a joint plate attached so that the rear end can move upward, and a joint plate push-up piece provided on the bottom surface near the rear end of the joint plate and having an inclined surface with the rear end side sequentially located downward. and a push-up mechanism using a roller attached to the joint side of the one floor structure that engages with the joint plate push-up piece and pushes the joint plate push-up piece upward when the joint narrows due to an earthquake. , and a cover plate attached to the tip of the joint plate" is known (Patent Document 1).

However, in such a floor joint device, there is a risk that the engagement pin may fall out of the pin engagement box provided at one end of the joint plate.

Japanese Patent Application Publication No. 2015-21361

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to provide a joint plate and a floor joint device that can safely absorb shaking motion caused by an earthquake without injuring passersby.

These and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are solely for illustrative purposes and do not limit the technical scope of the present invention.

In order to achieve the above object, the joint plate according to claim 1 of the present invention has one end supported by one body, and the other end supported by the other body, so that the joint plate is connected to the one body and the other body. A joint plate that closes joints between building blocks, and includes a joint plate main body, a pile case provided on both sides of one end of the joint plate main body, and a pile case provided at the bottom of the joint plate main body. a raised piece that raises the joint plate main body when the joint becomes narrow; a substantially crank-shaped locking pile that is inserted into the pile case and has an upper part, a horizontal part, and a lower part; The falling-off preventing means is configured to include a falling-off prevention means capable of preventing the locking pile from falling off from the pile case, and a cover plate provided at the other end of the joint plate main body via a hinge member. The means is provided at the lower part of the horizontal part of the locking pile, and the lower part of the locking pile is configured to extend from the locking pile insertion part to the locking pile when the joint plate rises upward. It is characterized by being formed in such a length that the lower end side does not fall off.

The joint plate main body of the joint plate according to claim 2 is formed in a shallow dish shape, the joint plate main body is filled with a filling member, and a decorative board is provided on the upper surface of the filling member. It is characterized by

The joint plate according to claim 3 further includes a cover plate provided at one end of the joint plate main body via a hinge member.

The floor joint device according to claim 4 of the present invention is a floor joint device that closes a joint between one frame and the other frame, wherein the first joint plate is provided on the one frame. a support part, a second joint plate support part provided on the other frame, one end part of which is supported by the first joint plate support part, and the other end part of which is supported by the second joint plate support part; and a joint plate supported by a joint plate, the joint plate comprising a joint plate main body, a pile case provided on both sides of one end of the joint plate main body, and a stake case provided at the bottom of the joint plate main body, a raised piece for raising the joint plate main body when the joint becomes narrow due to an earthquake; an upper end side inserted into the pile case; a lower end side inserted into the locking pile insertion part; a substantially crank-shaped locking pile having a horizontal portion and a lower portion; a falling-off prevention means capable of preventing the locking pile from falling off the pile case; and a cover plate provided through a hinge member, the falling-off prevention means is provided at the lower part of the horizontal part of the locking pile, and the lower part of the locking pile has a cover plate provided above the joint plate. It is characterized in that the locking pile is formed in such a length that the lower end side of the locking pile does not fall off from the locking pile insertion portion when the locking pile is raised.

The joint plate main body of the floor joint device according to claim 5 is formed in a shallow dish shape, the joint plate main body is filled with a filling member, and a decorative board is provided on the upper surface of the filling member. It is characterized by

The floor joint device according to claim 6, further comprising a cover plate provided at one end of the joint plate main body via a hinge member.

As is clear from the above description, the present invention provides the following effects.
(1) In the invention described in claims 1, 2, 4, and 5, a crank-shaped locking pile having a raised piece and having an upper end located inside the pile case; By using a fall prevention means for the locking pile that is provided in the pile case and supports the upper end side of the locking pile, the joint plate can be moved upward in a substantially horizontal state without the locking pile falling off during an earthquake. It can be raised. Therefore, compared to the case where only the other end of the joint plate is raised upward, the difference in level can be made smaller, and the joint can be safely closed.
(2) In each of the inventions recited in claims 3 and 6, the same effects as in (1) above can be obtained, and by providing a cover plate on the one end side, the one end side can be protected during an earthquake. Differences in level can also be made smaller, and joints can be sealed more safely.

1 to 8 are explanatory diagrams showing a first embodiment of the present invention.
9 to 14 are explanatory diagrams showing a second embodiment of the present invention.
FIG. 1 is a plan view of a floor joint device according to a first embodiment. FIG. 2 is a cross-sectional view taken along line 2-2 in FIG. 1. FIG. 3 is an explanatory diagram of a first joint plate support portion. FIG. 2 is a plan view of the joint plate of the first embodiment. 5 is a sectional view taken along line 5-5 in FIG. 4. FIG. Explanatory diagram of a locking pile, a pile case, and a falling-off prevention means. An explanatory diagram of a state in which the joint area in the left and right direction has become narrower due to an earthquake. An explanatory diagram of a state in which the joint area in the left and right direction has become wider due to an earthquake. FIG. 7 is a plan view of a floor joint device according to a second embodiment. FIG. 9 is a sectional view taken along line 10-10 in FIG. 9; FIG. 3 is an explanatory diagram of a first joint plate support portion. FIG. 7 is a plan view of a joint plate according to a second embodiment. FIG. 13 is a cross-sectional view taken along line 13-13 in FIG. 12. Explanatory diagram of a locking pile, a pile case, and a falling-off prevention means.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments for carrying out the invention shown in the drawings.
In a first embodiment of the present invention shown in FIGS. 1 to 8, reference numeral 1 denotes a floor joint device installed between one frame 3 and the other frame 4 provided through a joint part 2. be.

Note that the left-right direction refers to the left-right direction in FIG. 1, the front-back direction refers to the up-down direction in FIG. 1, and the up-down direction refers to the up-down direction in FIG. 2.

Furthermore, in the present invention, a frame refers to a structure such as a building, a road, a slab, an elevator shaft, etc., in which joint plates can be installed, and an entrance means not only a door or an entrance with a door, but also a building where people, vehicles, etc. It also includes passages that can be passed through.

As shown in FIGS. 1 and 2, for example, this floor joint device 1 includes a first joint plate support portion 5 provided on one of the building blocks 3, and a locking pile inserted in the one of the building blocks 3. part 6 and a second joint plate support part 7 provided on the other frame 4, one end of which is supported by the first joint plate support part 5 and the other end of which is supported by the second joint plate support part 5. It is composed of a joint plate 8 supported by a plate support part 7.

As shown in FIG. 3, the first joint plate support part 5 is a recess-shaped part formed in the floor surface on the joint part 2 side of one of the building blocks 3. Supports one end of the plate 8. A sheath-shaped locking pile insertion portion 6 into which the lower end side of the locking pile 9 is inserted is provided on the wall surface near the area where the first joint plate support portion 5 is formed.

In this embodiment, the locking pile insertion part 6 is a square pipe-shaped member, and the lower end side of the locking pile 9 is inserted so as to be slidable in the vertical direction.

A second joint plate support part 7 in the shape of a recess is formed on the floor surface on the joint part 2 side of the other frame 4, and the other end of the joint plate 8 can slide in the left-right direction. An inclined surface 10 on which the other end of the joint plate 8 rides is formed at the end of the second joint plate support part 7 opposite to the joint part 2, when the joint part 2 becomes narrow due to an earthquake.

As shown in FIGS. 4 and 5, the joint plate 8 of the present invention used in this floor joint device 1 is provided with a shallow dish-shaped joint plate main body 11 and one end side of the joint plate main body 11, A pair of pile cases 12 into which the upper end side of the locking pile 9 is inserted, and a "mount" provided on the bottom surface of the joint plate main body 11 to raise the joint plate main body 11 when the joint becomes narrow due to an earthquake. a raised piece 13'', a substantially crank-shaped locking pile 9 inserted into the pile case 12, and a locking pile 9 that is inserted into the pile case 12 so as to prevent the locking pile 9 from falling off the pile case 12. A fall prevention means 14 in the form of a rod or a long plate installed horizontally inside the pile case 12 or in the form of a protrusion at the bottom of the pile case 12, and a drop-off prevention means 14 of cement, mortar, etc. filled in the joint plate body 11. Consists of a filling member 15, a decorative board 16 provided to cover the upper part of the filling member 15, and a cover plate 18 provided at one end and the other end of the joint plate main body 11 via hinge members 17, respectively. has been done. The fall prevention means 14 may be one or more, but in the embodiment, one pin-shaped support rod 14 is horizontally fixedly installed inside the box-shaped pile case 12. Further, the cover plate 18 may be provided only at the other end.

Pile cases 12 with open bottoms are provided on both sides of the joint plate main body 11 in the front and back direction on one end side. In this embodiment, as shown in FIG. 6, the pile case 12 is formed into a box shape with an open bottom, and has a bent portion 12a formed on the upper side to correspond to the substantially crank-shaped locking pile 9. The pile case 12 has a two-step stepped shape (the inner surface of the pile case 12 on the other frame side is substantially crank-shaped) when viewed from the front. Note that the pile case 12 may be a cubic or rectangular box.

In this embodiment, as shown in FIG. 6, the locking stake 9 inserted into the stake case 12 is formed into a substantially crank shape when viewed from the front, and has an upper portion 9a, a horizontal portion 9b, and a lower portion. A part (upper side) of 9c is inserted into the pile case 12. The lower portion 9c (lower end side of the locking pile 9) is inserted into the locking pile insertion portion 6. The length of the lower end of the locking pile 9 inserted into the locking pile insertion part 6 is such that when the joint plate 8 rises upward, the length from the lower end of the locking pile 9 to the locking pile insertion part 6 is The length is such that the portion side 9c does not fall off.

The upper portion 9a of this locking pile is slightly inclined toward one of the building blocks 3, and is preferably located on the inner surface of the pile case 12 on the one of the building blocks 3 (the inner surface of the one end of the joint plate 8). It is desirable that they be inserted so that they are substantially in contact with each other.

Further, this pile case 12 is provided with a drop-off prevention means 14 that prevents the locking pile 9 from falling off from the pile case 12 as described above. In the present embodiment, after the locking pile 9 is inserted into the pile case 12, as an example of a bar-shaped drop-off prevention means 14, for example The pins 14 are horizontally fixed at appropriate locations on the box-shaped pile case 12. This pin 14 as a falling-off prevention means allows the joint plate 8 to be moved from the position shown in FIG. 13'' to the position shown in FIG. This prevents the locking stake 9 from falling off from the stake case 12. The pin 14 may be fixed by welding or the like after forming a through hole in the side surface of the pile case 12 and inserting the pin 14, or by fixing the pin 14 to the inner surface of the pile case 12 by welding or the like. You can.

A raised piece 13 having a substantially triangular or trapezoidal shape when viewed from the front is provided on the bottom surface of the joint plate main body 11. When the joint portion 2 becomes narrow, this raised piece 13 moves the other frame 4. Pressed by the joint side end of the second joint plate support section 7, the joint plate main body 11 is lifted upward in a substantially horizontal state.

When the left and right building blocks 3 and 4 sway in the left-right direction due to an earthquake and the joint portion 2 narrows, the joint plate 8 rides up and moves upward while maintaining a substantially horizontal state due to the inclined surface 10 and the raised piece 13, as shown in FIG. Absorbs shaking motion caused by rising earthquakes. At this time, the locking pile 9 is held by the falling-off prevention means 14 so as not to fall off from the pile case 12, and the vicinity of the lower end of the locking pile 9 slides upward within the locking pile insertion portion 6. Furthermore, the cover plates 18 provided at one end and the other end can reduce the level difference between the frames 3 and 4 and the floor surface.

When the building blocks 3 and 4 sway in the left-right direction due to an earthquake and the joint portion 2 widens, the other end of the joint plate 8 slides on the upper surface of the second joint plate support 7 in the left-right direction, as shown in FIG. , absorbs the shaking motion caused by earthquakes.

[Different forms for carrying out the invention]
Next, different embodiments for implementing the present invention shown in FIGS. 9 to 14 will be explained. In addition, 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 given the same reference numerals and redundant explanations will be omitted.

In the second embodiment of the present invention shown in FIGS. 9 to 14, the main difference from the first embodiment of the present invention is that a hole-shaped locking pile insertion portion 6A is formed. In addition to the first joint plate support part 5A, the wall surface of the pile case 12 is bent inward of the pile case 12, or the tongue-like protrusion is fixed by welding to form the drop-off prevention means 14A. Even with the joint plate 8A and floor joint device 1A having the falling-off prevention means 14A, the same effects as in the first embodiment can be obtained.

The falling-off prevention means 14A is formed so that a part of the side surface of the pile case 12 or the joint plate main body 11 extends downward from the bottom surface of the joint plate main body 11, and after inserting the locking pile 9, this extended part A tongue-shaped protrusion is formed by bending inward of the pile case 12. In the present embodiment, the side surface on one of the frame members 3 is bent to form the falling-off prevention means 14A, but the side surface in the front-rear direction of the pile case 12 may be bent inward to form the falling-off preventing means 14A.

In the embodiment of the present invention, a shallow dish-shaped joint plate main body is provided with a filling member and a decorative board. It may also be used as a joint plate or floor joint device.

Moreover, although the first joint plate support part is formed directly on one of the building blocks, a metal fitting having an angled or square pipe shape in cross section may be fixed to the wall surface of one of the building blocks to form the first joint plate support part. In this case, the locking pile insertion portion may be fixed to or received by the wall surface of one of the building blocks, or may be fixed to a metal fitting having an angled or square pipe shape in cross-section. That is, it may be provided on one of the building blocks via these metal fittings.

The present invention finds use in the industry of manufacturing floor joint devices.

1, 1A: Floor joint device, 2: Joint part,
3: One body, 4: The other body,
5, 5A: first joint plate support part, 6, 6A: locking pile insertion part,
7: Second joint plate support part, 8, 8A: Joint plate,
9: Locking pile, 10: Running slope,
11: Joint plate body, 12: Pile case,
13: Raised piece, 14, 14A: Falling prevention means 15: Filling member, 16: Decorative board,
17: Hinge member, 18: Cover plate.

Claims (6)

A joint plate that has one end supported by one body and the other end supported by the other body to close a joint between the one body and the other body,
A joint plate main body, a pile case provided on both sides of one end of the joint plate main body, and a pile case provided at the bottom of the joint plate main body to raise the joint plate main body when the joint becomes narrow due to an earthquake. a substantially crank-shaped locking pile that is inserted into the pile case and has an upper portion, a horizontal portion, and a lower portion, and prevents the locking pile from falling off from the pile case. and a cover plate provided at the other end of the joint plate body via a hinge member, and the fall prevention means is provided at the lower part of the horizontal portion of the locking pile. The lower part of the locking pile is formed to have a length that prevents the lower end side of the locking pile from falling off from the locking pile insertion part when the joint plate rises upward. joint plate. 2. The joint plate main body is formed in a shallow dish shape, the joint plate main body is filled with a filling member, and a decorative board is provided on the upper surface of the filling member. Joint plate as described. 3. The joint plate according to claim 1, further comprising a cover plate provided at one end of the joint plate main body via a hinge member. A floor joint device that closes a joint between one frame and another frame,
a first joint plate support part provided on the one body frame, a locking pile insertion part provided on the one body body, a second joint plate support part provided on the other body frame, and one end. a joint plate whose end portion is supported by the first joint plate support portion and whose other end is supported by the second joint plate support portion,
The joint plate is provided with a joint plate main body, a pile case provided on both sides of one end of the joint plate main body, and a bottom of the joint plate main body, and when the joint becomes narrow due to an earthquake. A raised piece for raising the joint plate main body, an upper end side inserted into the pile case, a lower end side inserted into the locking pile insertion part, and a substantially crank having an upper part, a horizontal part, and a lower part. a locking pile having a shape, a falling-off prevention means capable of preventing the locking pile from falling off from the pile case, and a cover plate provided at the other end of the joint plate main body via a hinge member. The falling-off prevention means is provided at the lower part of the horizontal part of the locking pile, and the lower part of the locking pile is configured to prevent the locking pile from falling when the joint plate rises upward. A floor joint device having a length that prevents the lower end side of the locking pile from falling off from the insertion part. 5. The joint plate main body is formed in a shallow dish shape, the joint plate main body is filled with a filling member, and a decorative board is provided on the upper surface of the filling member. The floor joint device described. 6. The floor joint device according to claim 4, further comprising a cover plate provided at one end of the joint plate main body via a hinge member.

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