JP4021870B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device for covering joint portions of floor portions of left and right buildings such as seismic isolation buildings provided via joint portions.

Conventionally, in a seismic isolation building, etc., where the amount of movement cannot be set in a range smaller than twice the horizontal dimension of the joint, only joint plates that are less than twice the horizontal dimension of the joint are available. There is a drawback that it cannot be installed, and the dimension of the joint portion in the left-right direction and the amount of movement beyond that cannot be set.
nothing special.

  In view of the above-described conventional drawbacks, the present invention is more than the horizontal dimension of the joint part even in the field where the movement amount can be set only within a range smaller than twice the lateral dimension of the joint part. An object of the present invention is to provide a floor joint device capable of setting an amount of expansion and contraction movement.

The above 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 for explanation only and do not limit the technical scope of the present invention.

In order to achieve the above object, according to the present invention, a rear end portion is attached to a joint on the joint portion side of one building of the left and right buildings provided via the joint portion, and a tip portion is a joint portion of the other building. A joint plate that is slidable on the side floor surface and has a joint plate length approximately twice as long as the lateral dimension of the joint portion, and a support plate support formed on the top surface of the floor frame on the joint portion side of the other building Concave part, L-shaped support plate whose upper surface supported slidably in the support plate support concave part is substantially flush with the upper surface of the floor frame on the joint part side, and the amount of movement of the support plate in the left-right direction is restricted. Movement restricting means, arms having rollers attached to a plurality of pairs of tip portions attached to the floor frame on the joint portion side at predetermined intervals, and one end for stopping the plurality of pairs of arms in a state of being rotated by approximately 60 degrees Is attached to the arm, A stopper wire attached to the floor frame on the joint part side of the other building, and a distal end portion of the plurality of pairs of arms having both ends attached to a portion near the distal end portion of the plurality of pairs of arms. The joint device for floors is comprised by the joint plate support which supports the said joint plate which consists of the urging | biasing spring urged | biased in this way.

  As is clear from the above description, the present invention has the following effects.

(1) The rear end of a building on the left and right side of the building provided through the joint is attached to the joint on the side of the joint, and the tip slides on the floor of the other building on the joint A joint plate having a length approximately twice as long as the horizontal dimension of the joint, a support plate support recess formed on the upper surface of the floor frame on the joint portion side of the other building, and the support plate support recess An L-shaped support plate whose upper surface supported so as to be slidable is substantially flush with the upper surface of the floor frame on the joint portion side, movement restricting means for restricting the amount of movement of the support plate in the left-right direction, the joint portion side Arms with rollers attached to a plurality of pairs of tip portions attached to the floor frame of the door at predetermined intervals, and one end portions for stopping the plurality of pairs of arms in a state where the arms are rotated by approximately 60 degrees are attached to the arms. The end is the joint side of the other building A stopper wire attached to the floor frame, and a biasing spring having both ends attached to portions near the tip of the plurality of pairs of arms and biasing the tip of the plurality of pairs of arms close to each other. Since it is composed of a joint plate support that supports the joint plate, when the left and right buildings are swung more than the horizontal dimension of the joint part due to an earthquake or the like, the joint part becomes wider. The tip of the joint plate can be supported by a joint plate support that is attached to the floor frame on the joint part side and always projects to the joint part.
Further, when the joint portion is narrowed so that the dimension in the left-right direction is eliminated, the joint plate support can be contracted by being pressed against the floor housing of the other building by the housing of one building.
Therefore, contraction by the dimension in the horizontal direction of the joint portion can be made possible.

(2) According to (1), a joint plate that is less than twice the horizontal dimension of the joint part even at a site where the amount of movement can be set only in a range smaller than twice the lateral dimension of the joint part. , Even if the joint is widened or narrowed by the same dimension as the horizontal dimension of the joint, there is no gap in the joint and the joint plate can automatically return to its original state. The state can absorb the shaking motion.

(3) According to the above (1), it is only necessary to provide a joint plate support, so that the structure is simple and can be implemented easily.

(4) In claim 2, the same effects as in the above (1) to (3) can be obtained.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

  1 to FIG. 6, in the first preferred embodiment for carrying out the present invention, reference numeral 1 denotes the floor of the present invention covering the joints 2 of the left and right buildings 3 and 3 provided via the joints 2. The floor joint device 1 is a rail fixedly attached to the housing 3a of the left and right buildings 3, 3 on the joint portion side of one building 3 with a plurality of screws 4 or the like in a substantially horizontal direction. 5 is attached via a plurality of rollers 6 so that the rear end portion can slide in the front-rear direction, and the front end portion of the other building 3 has a dimension L in the left-right direction of the joint portion on the floor surface of the joint portion side. A joint plate 8 having a size approximately twice or slightly smaller than the dimension L, and a floor frame 3b on the joint part side of the other building 3, which can slide to the obstacle 7 part of the part less than twice. It is attached to the floor and normally protrudes into the joint from the floor frame 3b on the harm joint side. , Pressurized by contraction press the precursor 3a of joint portion of the one building 3 and joints is narrowed by an earthquake or the like, and a joint plate support member 9 for supporting the joint plate 8.

  The joint plate support 9 includes a support plate support concave portion 10 formed on the upper surface of the floor frame 3b on the joint portion side of the other building 3, and an upper surface 11a supported by the support plate support concave portion 10 so as to be slidable. Is an L-shaped support plate 11 that is substantially flush with the upper surface 3c of the floor frame 3b on the joint side, long holes 12 and 12 that restrict the amount of movement of the support plate 11 in the left-right direction, and a locking pin 13, 13, movement restriction means 14, arms 17, 17 each having rollers 16 attached to a plurality of pairs of tip portions attached to the floor frame 3 b on the joint portion side by a plurality of screws 15, etc. One end for stopping the plurality of pairs of arms 17 and 17 in a state of being rotated by approximately 60 degrees is attached to the arms 17 and 17, and the other end is attached to the floor frame 3b on the joint portion side of the other building 3. The The urging springs for biasing the top ends of the plurality of arms 17 and 17 to be close to each other are attached to the upper ends of the upper wires 18 and 18 and the portions of the plurality of pairs of arms 17 and 17 close to the ends. 19.

In the floor joint device 1 having the above-described configuration, the joint plate 8 and the joint plate support 9 are positioned as shown in FIG.
When the left and right buildings 3 and 3 are swung so that the joint portion 2 is widened due to an earthquake or the like, the tip portion located in the joint portion 2 of the joint plate 8 is the joint plate support 9 as shown in FIG. The support plate 11 is in a supported state, and the joint plate 8 is prevented from falling into the joint portion 2 and is supported so that it can automatically return to the original state when the shaking motion stops.
When the left and right buildings 3 and 3 are swung so that the joint portion 2 becomes narrow, the joint 3a on the joint portion side of one building 3 is the support plate 11 of the joint plate support 9 as shown in FIG. Is pressed against the urging force of the urging spring 19, moved in the direction of the joint side floor frame 3 b of the other building 3, and moved by the dimension L in the horizontal direction of the joint part to absorb the shaking movement. can do.

  Next, the floor joint device considered by the present inventor shown in FIGS. 7 to 24 will be described. In the description of the floor joint device considered by the present inventors, the same components as those in the first preferred embodiment for carrying out the present invention are denoted by the same reference numerals and redundant description is given. Omitted.

  In the floor joint device considered by the present inventor shown in FIG. 7 to FIG. 9, the main difference from the first embodiment for carrying out the present invention is that the rear end portion of the joint plate 8 is placed on one side. While fixing to the support stand 20 fixed to the housing 3a of the building 3 with a plurality of screws 21, the support bar 22 that supports the joint plate 8 on the floor housing 3b on the joint portion side of the other building 3 is always protruding. A plurality of support cylinders 23 embedded in the floor casing 3b in a predetermined sense to be supported, a slide collar 24 that protrudes from one end portion of the plurality of support cylinders 23 to support the support bar 22, and the slide cage The floor joint device 1A constructed in this way is also the point that the joint plate support 9A using the support bar urging support 26 composed of the urging spring 25 that always urges 24 in the protruding direction is used. Good.

  The floor joint device considered by the present inventor shown in FIGS. 10 to 12 is mainly different from the floor joint device shown in FIGS. 7 to 9 in that the floor frame 3b on the joint portion side of the other building 3 is the same. The floor joint device in which the concave portion 27 is formed is formed in that a support base 20 for fixing the rear end portion of the joint plate 8 and a concave portion 27 that can accommodate the support bar 22 of the joint plate support 9A are formed. Even if it is 1B, while the same effect as the 2nd form for implementing the said invention is obtained, the shaking motion until the dimension L of the horizontal direction of a joint part becomes zero can be absorbed.

    In the floor joint device considered by the present inventor shown in FIGS. 13 to 15, the main difference from the first embodiment for carrying out the present invention is that the joint plate supporting recess 10 </ b> A has a predetermined interval. A plurality of fixed side support bars 29 formed with a plurality of fixed guide holes 28 in the left-right direction, a support rod 30 slidably passing through the guide holes 28 of the plurality of fixed side support bars 29, and the support A plurality of movable side support bars 31 having rear end portions attached to the collar 30, a support bar 22 attached to the front end portions of the plurality of movable side support bars 31, and the support bar 22 in a constantly projecting direction. A floor joint device 1C configured using such a joint plate support 9B may be used in that a joint plate support 9B including a plurality of support bar biasing supports 26 to be biased is used.

  The floor joint device considered by the present inventor shown in FIG. 16 to FIG. 18 is mainly different from the first preferred embodiment for carrying out the present invention in that a plurality of openings 32 are formed on the joint portion 2 side. The box 33 is fixed to the joint plate support recess 10A, the bottomed or bottomless support bar 22A protruding from the openings 32 of the plurality of boxes 33, and the plurality of the support bar 22A always protruding. Such a joint plate is used in that a joint plate support 9C comprising an urging spring 34 housed in each box 33 and a stopper 35 for preventing the support bar 22A from protruding beyond a predetermined position is used. A floor joint device 1D using the support 9C may be used.

The floor joint device considered by the present inventor shown in FIGS. 19 to 22 differs from the floor joint device shown in FIGS. 16 to 18 mainly in that it can also accommodate the tip of the joint plate 8A. A plurality of support partition walls 36 fixed in the joint plate support recess 10B so as to be positioned in the left-right direction at predetermined intervals in the front-rear direction, and the joint plate support recess 10B supported and fixed to the plurality of support partition walls 36. A cover plate 37 that covers the cover plate, and a back surface that is slidably housed in a plurality of space portions 38 of a portion covered with the cover plate 37 and the plurality of support partition walls 36 so as to protrude toward the joint portion 2 side. A plurality of shallow box-like slide moving bodies 40 having openings 39, and biasing springs 4 for biasing the plurality of slide moving bodies 40 so as to always protrude toward the joints. And a joint plate support 9D comprising a stopper 42 for preventing the plurality of slide moving bodies 40 from falling off the joint plate support recess 10B. The floor joint device 1E may be used.
In this embodiment, a plurality of shallow box-like slide moving bodies 40 may be used in which the bottom and back surfaces are opened or the whole surface is closed.

  The floor joint device considered by the present inventor shown in FIGS. 23 and 24 is mainly different from the floor joint device shown in FIGS. 19 to 22 in that there are a plurality of floor joint devices on the bottom surface of the joint plate 8A. The floor joint device 1F configured in this manner may be used in that the plurality of rollers 43 are attached to smoothly move the upper surface of the slide moving body 40 and the upper surface 3c of the floor frame 3b.

In addition, although each form for implementing this invention demonstrated what covered the joint part between buildings, such as a seismic isolation building, this invention is not restricted to this, One is buildings, such as a seismic isolation building, and the other It may be a building such as a wall or a frame.
In addition to the joint plate support members 9, 9A, 9B, 9C, 9D, a plurality of the front end portions attached to the floor frame 3b on the joint portion side by a plurality of screws 15 and the like so as to be rotatable in the left-right direction at predetermined intervals. The distal ends of the arms 17 and 17 are pivotally supported on a portion near the distal end of the support plate 11, and the biasing spring is used to place the plurality of arms 17 and 17 at an inclined position of approximately 45 degrees where they are stopped by a stopper. When the joint portion is narrowed using the one that is always located, the support plate 11 moves toward the joint portion side floor frame 3b of the other building 3 and resists the biasing force of the biasing springs of the arms 17 and 17. Therefore, it is possible to use one that moves in the front-rear direction and absorbs the shaking motion.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a floor joint device and an industry for installing the same.

The top view of the best 1st form for implementing this invention. The bottom view of the best 1st form for implementing this invention. The expanded sectional view which follows the 3-3 line of FIG. Explanatory drawing of the joint plate support tool of the 1st best form for implementing this invention. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention became wide. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention became narrow. The top view of the joint device for floors which this inventor considered. The top view which removed the joint plate of the joint device for floors which this inventor considered. Explanatory drawing of the joint plate support tool of the joint device for floors which this inventor considered. The top view of the different form of the joint device for floors which this inventor considered. The top view which removed the joint plate of the different form of the floor joint apparatus which this inventor considered. Explanatory drawing of the joint plate support tool of a different form of the floor joint apparatus which this inventor considered. The top view of the different form of the joint device for floors which this inventor considered. The top view which removed the joint plate of the different form of the floor joint apparatus which this inventor considered. Explanatory drawing of the joint plate support tool of a different form of the floor joint apparatus which this inventor considered. The top view of the different form of the joint device for floors which this inventor considered. The top view which removed the joint plate of the different form of the floor joint apparatus which this inventor considered. Explanatory drawing of the joint plate support tool of a different form of the floor joint apparatus which this inventor considered. The top view of the different form of the joint device for floors which this inventor considered. The top view which removed the joint plate of the different form of the floor joint apparatus which this inventor considered. The elements on larger scale which follow the 21-21 line of FIG. Explanatory drawing of the joint plate support tool of a different form of the floor joint apparatus which this inventor considered. The top view of the different form of the joint device for floors which this inventor considered. Explanatory drawing of the joint plate of a different form of the joint device for floors which this inventor considered.

Explanation of symbols

1, 1A, 1B, 1C, 1D, 1E, 1F: joint device for floor,
2: joints, 3: buildings,
4: Screw, 5: Rail,
6: Roller, 7: Obstacle,
L: Dimensions in the horizontal direction of the joint part, 8: Joint plate,
9, 9A, 9B, 9C, 9D: Joint plate support,
10, 10A, 10B: joint plate support recess,
11: support plate, 12: long hole,
13: Locking pin, 14: Movement restriction means,
15: Screw, 16: Roller,
17: Arm, 18: Stopper wire,
19: Energizing spring, 20: Support base,
21: Screw, 22, 22A: Support bar,
23: support cylinder, 24: slide rod,
25: Biasing spring, 26: Support bar biasing support,
27: recess, 28: guide hole,
29: Fixed support bar, 30: Support rod,
31: movable support bar, 32: opening,
33: Box, 34: Energizing spring,
35: Stopper, 36: Support partition wall,
37: Cover plate, 38: Space part,
39: Opening, 40: Slide moving body,
41: biasing spring, 42: stopper,
43: Roller.

Claims (1)

The rear ends of the left and right buildings provided through the joints are attached to the joints on the joints side of one building, and the front ends can slide on the floors on the joints side of the other building. A joint plate having a length approximately twice as long as the dimension of the joint portion in the left-right direction, a support plate support recess formed on the upper surface of the floor frame on the joint portion side of the other building, and slidable to the support plate support recess An L-shaped support plate whose upper surface is substantially flush with the upper surface of the floor frame on the joint portion side, movement restriction means for regulating the amount of movement of the support plate in the left-right direction, and the floor frame on the joint portion side Arms each having a roller attached to a plurality of pairs of tip portions attached at predetermined intervals to each other, one end portion for stopping the plurality of pairs of arms in a state of being rotated approximately 60 degrees is attached to the arm, and the other end portion is The floor tile on the joint side of the other building The joint comprising: a stopper wire attached to a plurality of pairs of arms, and biasing springs attached to both ends of the plurality of pairs of arms near the tip of the arms to bias the tips of the pairs of arms close to each other A floor joint device comprising a joint plate support for supporting a plate.

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