JP4112567B2 - Floor joint device - Google Patents

Description

  The present invention relates to a joint device for a floor that can absorb the shaking motion by protruding the tip of a joint plate onto a floor surface when the joint portion is swung so that the joint portion becomes narrow.

  In this type of conventional joint device for floors, a rotating member made of a round pipe material is fixed to the bottom surface of the rear end portion of the joint plate, and this rotating member is supported by a crank-shaped support fitting. The presser plate is installed so as to cover the gap between the rear end and the floor of the housing.

The floor joint device constructed in this way usually has the disadvantage that the presser plate covering the joint plate and the floor surface of the frame is positioned on the surface, and it becomes tripping or unsightly when traveling. When the joint portion becomes narrow and the joint plate pivots upward due to, for example, the presser plate is in a state of supporting the rear end portion of the joint plate, and there is a disadvantage that the tip portion protrudes greatly and becomes dangerous.
Japanese Patent No. 3189228

  In view of the conventional drawbacks as described above, the present invention normally allows the rear end of the joint plate to abut against the other casing, and the upper surface is substantially the same surface for safe traveling, etc. When the joint becomes narrower, the upper part of the rear end of the joint plate rotates around the fulcrum, and when the joint becomes narrower, the rear end of the joint plate is automatically raised by the weight balance of the joint plate, An object of the present invention is to provide a safe and trouble-free floor joint device capable of preventing upward protrusion.

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-mentioned object, the present invention is supported by a floor surface on the joint portion side of one housing so that the tip portion covers a concave portion formed on the inclined surface on the opposite joint portion side, and on the joint portion side of the other housing In a joint device including a joint plate whose rear end portion is supported by a support fitting fixed to the joint plate, with the support fitting serving as a fulcrum at a corner portion on the joint portion side of the other casing, the thickness of the joint plate is 2 An arc-shaped support portion having a radius of at least twice as large as a radius, and the arc-shaped support portion serving as a fulcrum at a corner portion on the joint portion side of the other casing, a dimension portion that is twice or more the thickness dimension of the joint plate A fixed portion integrally formed at the rear end portion of the arc-shaped support portion, and a support portion integrally formed at the tip end portion of the arc-shaped support portion and supporting the bottom surface of the joint plate. The bottom of the rear end of the joint plate A support body supported by an arc-shaped support portion of the support bracket, wherein the lower end portion is formed in an arc shape so that the upper surface of the joint plate and the upper surface of the other casing are substantially flush with each other. And a joint device for a floor comprising a string for preventing the joint plate from falling off, one end of which is attached to the support metal fitting and the other end is attached to the bottom surface of the joint plate near the rear end of the joint plate. .

  As will be apparent from the following description, the present invention has the following effects.

(1) A support fitting that is supported by the floor surface of one housing on the joint portion side so that the tip portion covers a concave portion formed on the inclined surface on the opposite joint portion side, and is fixed to the support fitting fixed to the joint portion side of the other housing In a joint device including a joint plate on which an end portion is supported, the radius is set to a dimension that is at least twice the thickness dimension of the joint plate, with the support metal fitting serving as a fulcrum at the joint on the joint side. An arc-shaped support portion, and the arc-shaped support portion is fixed to a portion having a dimension of at least twice the thickness of the joint plate, with the corner portion on the joint portion side of the other casing as a fulcrum. A fixed portion integrally formed at the rear end portion of the support portion, and a support portion that is integrally formed at the front end portion of the arc-shaped support portion and that supports the bottom surface of the joint plate, and uses the joint. The joint plate fixed to the bottom surface of the rear end of the plate A support body supported by an arc-shaped support portion of the support metal fitting, wherein the lower end portion is formed in an arc so that the upper surface of the other casing and the upper surface of the other housing are substantially flush with each other, and one end portion of the support metal fitting Is attached to the bottom surface of the joint plate near the rear end of the joint plate, and the joint plate is configured to prevent the joint plate from falling off. The floor surface can be brought into contact with the substantially same surface.
Therefore, a presser plate is not required as in the prior art, and it can be used safely and can be installed at low cost.

(2) According to the above (1), the tip portion can be rotated upward with the upper portion of the rear end portion of the joint plate as a fulcrum.
Therefore, there is no gap at the rear end when the front end of the joint plate rotates upward, so safety can be ensured.

(3) According to (1), when the joint portion is narrowed, the rear end portion of the joint plate is automatically moved upward by the weight of the joint plate, and the tip portion can be positioned on the floor surface.
Therefore, it can prevent that the front-end | tip part of a joint plate protrudes upwards and becomes dangerous.

(4) According to the above (1), the arc-shaped support portion of the support metal fitting is supported on the bottom surface of the rear end portion of the joint plate, and the lower end portion is supported by the support formed in the arc shape. The top end of the joint plate can be smoothly rotated using the upper part of the rear end of the joint plate as a fulcrum.

(5) According to the above (1), the rear end portion of the joint plate can be automatically positioned so as to always come into contact with the joint portion side of the other casing by the arc-shaped support portion of the support fitting.
Therefore, it is possible to efficiently prevent a gap from being generated between the rear end portion of the joint plate and the other casing, and to use it safely.

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

  In the first preferred embodiment for carrying out the present invention shown in FIG. 1 to FIG. 6, 1 is substantially flush with the floor surface of one housing 3 and the other housing 3 provided via the joint 2. The floor joint device 1 of the present invention covering the joint portion 2 is formed such that the tip portion is formed on the floor surface of the one housing 3 on the joint portion 2 side and the anti-joint portion side is formed on the inclined surface 4. A joint plate 6 that covers the recessed portion 5 and is supported so that the rear end portion is in contact with the joint portion 2 side of the other housing 3, and the rear end portion is located on the bottom surface of the rear end portion of the joint plate 6. A support 7 using a round bar or a round pipe member having a diameter of one or more times the thickness dimension H of the joint plate 6 fixed so as to be substantially flush with the rear end of the joint plate 6; A rear plate of the joint plate 6 that supports the support member 7 so as to be slidable on the joint portion side of the other housing 3. A support fitting 8 that can turn the tip of the joint plate 6 upward with the upper portion of the joint and the upper portion of the other housing 3 on the joint portion side as a fulcrum, and one end portion attached to the support fitting 8. The other end portion is constituted by a string 9 such as a wire, a chain, a rope, etc. for preventing the dropout of the joint plate 6 attached to the bottom surface near the rear end portion of the joint plate 6.

  The joint plate 6 includes a joint plate main body 10 formed of a metal material in a shallow dish shape, mortar and concrete 11 filled in the joint plate main body 10, blocks installed on the top surface of the mortar and concrete 11, A tile 12 and a cover plate 13 rotatably attached to the upper end of the joint plate main body 10 are configured.

  The support fitting 8 includes a fixing portion 16 having a plurality of anchor pin insertion holes 15 formed on the joint portion side of the other housing 3 by a plurality of anchor pins 14 and the like, and an upper portion of the fixing portion 16. The integrally formed arc-shaped support portion 18 having a radius of at least twice the thickness of the joint plate 6 with the corner portion 17 on the joint portion side of the other casing 3 as a fulcrum, and the arc shape The support portion 19 is formed integrally with the distal end portion of the support portion 18 and supports the bottom surface of the joint plate 6.

  In the floor joint device 1 having the above-described configuration, the support 7 using a round bar or a round pipe material is supported by the arc-shaped support portion 18 of the support fitting 8. As a result, the support body 7 is slid in the direction of the other housing 3, so that the rear end portion 6 a of the joint plate 6 and the joint portion side of the other housing 3 can be kept in contact with each other.

As shown in FIG. 4, when one of the housings 3 and the other housing 3 swing so as to be narrowed due to an earthquake or the like, an upper portion of the rear end portion 6 a of the joint plate 6 or a joint portion of the other housing 3. The tip portion pivots upward with the corner 17 on the side as a fulcrum.
At this time, since the support 7 using a round bar or a round pipe material slides and moves on the arc-shaped support portion 18 of the support fitting 8, the support 7 moves smoothly and the upper portion of the rear end portion 6a of the joint plate 6 is the other side. It is located at the same site as the corner 17 of the housing 3 and does not cause a step.
Further, the front end portion is prevented by the cover plate 13 from generating a gap between the joint plate 6 and the floor surface.

Further, when the joint portion 2 is narrowed as shown in FIG. 5, that is, the center of gravity of the joint plate 6 is slid to the one housing 3 side from the portion supported by the joint portion side end of the one housing 3. Then, the rear end portion of the joint plate 6 moves upward with the portion as a fulcrum, and the front end portion rotates so as to contact the floor surface of one housing 3 to prevent a dangerous state. To do.
When the joint portion 2 becomes wider, the tip portion 6b of the joint plate 6 slides in the recess 5 as shown in FIG.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 7 to 21 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

  The second embodiment for carrying out the present invention shown in FIGS. 7 to 9 is mainly different from the best first embodiment for carrying out the present invention in that the tip portion is formed in a semicircular arc shape. The floor joint device 1A configured using the support 7A formed in this way is the same as the best first embodiment for carrying out the present invention in that the support 7A is used. The effect is obtained.

  The third embodiment for carrying out the present invention shown in FIGS. 10 to 12 is mainly different from the second embodiment for carrying out the present invention in that the other housing 3 side is formed on the inclined surface 20. Even in the floor joint device 1B configured using the support 7B formed in this way, the same effect as that of the second embodiment for carrying out the present invention is obtained in that the support 7B is used. And the return to the support bracket 8 after the rear end portion of the joint plate 6 has moved upward can be reliably performed by the contact between the corner portion 17 of the other housing 3 and the inclined surface 20 of the support body 7B. it can.

  The fourth embodiment for carrying out the present invention shown in FIGS. 13 to 15 is mainly different from the best first embodiment for carrying out the present invention from the central portion of the bottom surface of the joint plate 6A. For the floor constructed in this way, it is formed on the inclined surface 21 so that the rear side is gradually thickened from the rear part, and the insertion recess 22 of the support fitting 8 is formed on the bottom surface of the rear part of the joint plate 6A. Even in the joint device 1C, the same effects as those of the first preferred embodiment for carrying out the present invention can be obtained, and the inclined surface 21 on the bottom surface of the joint plate 6A can provide the rear end portion of the joint plate 6A. Ascending can be performed more smoothly.

  The fifth embodiment for carrying out the present invention shown in FIGS. 16 to 18 is mainly different from the best first embodiment for carrying out the present invention in that both ends of the rear end portion of the joint plate 6 are provided. The vertical guide cylinders 23, 23 fixed to the other housing 3 near the portion, the guide pins 24, 24 supported by the guide cylinders 23, 23 so as to be vertically movable through play, and the guides The floor joints constructed in this way in that the hinge members 25 and 25 are attached to the upper parts of the pins 24 and 24 and one end part is attached to the upper part of the rear end part of the joint plate 6. Even in the apparatus 1D, the same effect as that of the first preferred embodiment for carrying out the present invention can be obtained, and the joint plate 6 is formed by the guide pins 24, 24 guided by the guide cylinders 23, 23. Reliable even when moving upward It can be returned to its original position.

  The sixth embodiment for carrying out the present invention shown in FIGS. 19 to 21 is mainly different from the best first embodiment for carrying out the present invention in that a plurality of guide holes 26 are provided at predetermined intervals. And a support bracket 8B formed in the support bracket 8B and a plurality of guide holes 26 of the support bracket 8B, and a support 27 for preventing a movement in the front-rear direction, in which a tip 27 is formed to prevent the slip-off from the guide hole 26. Even with the floor joint device 1E configured as described above in that the rod 28 is fixed to the support body 7, the same effects as those of the best first embodiment for carrying out the present invention can be obtained. It is possible to prevent the joint plate 6 from moving in the front-rear direction by the support rods 28 inserted into the plurality of guide holes 26.

  The present invention is used in the industry for manufacturing floor joint devices.

The top view of the best 1st form for implementing this invention. Sectional drawing which follows the 2-2 line of FIG. Explanatory drawing of the support metal fitting of the best 1st 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 narrow. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention narrowed further. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention became wide. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 8-8 line of FIG. Explanatory drawing of the support body of the 2nd form for implementing this invention. The top view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Explanatory drawing of the support body of the 3rd form for implementing this invention. The top view of the 4th form for carrying out the present invention. Sectional drawing which follows the 14-14 line | wire of FIG. The operation explanatory view in which the joint part of the 4th form for carrying out the present invention became narrow. The top view of the 5th form for implementing this invention. FIG. 17 is a sectional view taken along line 17-17 in FIG. 16; The operation explanatory view in which the joint part of the 5th form for carrying out the present invention became narrow. The top view of the 6th form for carrying out the present invention. Sectional drawing which follows the 20-20 line of FIG. The operation explanatory view in which the joint part of the 6th form for carrying out the present invention became narrow.

Explanation of symbols

1, 1A, 1B, 1C, 1D, 1E: floor joint device,
2: joint part, 3: housing
4: Inclined surface, 5: Recess,
6, 6A, 6B: joint plate, 7, 7A, 7B: support,
8: Support bracket, 9: String,
10: Joint plate body, 11: Mortar and concrete,
12: Block and tile, 13: Cover plate,
14: Anchor pin, 15: Anchor pin insertion hole,
16: Fixed part, 17: Corner part,
18: Arc-shaped support part, 19: Support part,
20: inclined surface, 21: inclined surface,
22: Insertion recess, 23: Guide tube,
24: Guide pin, 25: Hinge member,
26: guide hole, 27: slip-off prevention piece 28: support rod.

Claims (1)

The rear end portion is supported by the support fitting fixed to the joint portion side of the other casing, and supported by the floor portion on the joint portion side of one casing so that the tip portion covers the concave portion formed on the inclined surface on the opposite joint portion side. In a joint device including a joint plate to be supported, the support metal fitting is formed in an arc shape with a radius of at least twice the thickness of the joint plate with a corner portion on the joint portion side of the other housing as a fulcrum. A support portion, and the arc-shaped support portion is fixed to a portion having a thickness of at least twice the thickness of the joint plate, with the corner portion on the joint portion side of the other casing as a fulcrum. A fixed portion integrally formed at the rear end portion and a support portion integrally formed at the tip end portion of the arc-shaped support portion and supporting the bottom surface of the joint plate are used. On the joint plate fixed to the bottom of the edge And a support body supported by an arc-shaped support portion of the support metal fitting, and one end portion attached to the support metal fitting, the lower end portion being formed in an arc shape so that the upper surface of the other casing is substantially flush with the upper surface A floor joint device comprising: a joint plate having a lower end attached to a bottom surface near the rear end portion of the joint plate, and a string for preventing the joint plate from falling off.

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