JP5491445B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device that covers a space between right and left floor frames provided via joint portions.

  Conventionally, in this type of floor joint device, a joint plate slide support concave portion having an inclined anti-joint portion is formed on the joint portion side of one floor frame, and the other floor corresponding to the joint plate slide support concave portion is formed. A joint plate support recess is formed in the joint side portion of the housing, the tip is supported by the joint plate slide support recess, the rear end is supported by the joint plate support recess, and the tip can be rotated upward. A joint plate having a rear end attached to the joint plate supporting recess is used.

The joint device for floors formed in this way can efficiently absorb the shaking motion of the earthquake where the joint part becomes wider or narrower, but when the left and right floor frame sinks unequally, the joint plate plate slide support The joint part side end of the recess comes into contact with the bottom surface near the center part of the joint plate, and the joint plate has a drawback that it becomes dangerous, and the heights of the left and right floor surfaces and the joint plate are different, There was a drawback that it was dangerous and could not be used safely.
In order to eliminate such drawbacks, it is also considered to form a joint plate slide support recess so that the joint part side is lowered, but it is difficult to construct and it is possible to smoothly move the floor joint plate to slide There was a disadvantage that it was not possible.

Japanese Patent No. 3854872 JP 2011-17185 A

  In view of the conventional drawbacks as described above, the present invention can smoothly slide and move, even if the left and right floor frames sink unevenly, the floor joint plate is damaged or the floor joint plate is removed. An object of the present invention is to provide a floor joint device that can surely prevent it from protruding and becoming dangerous.

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, the present invention provides a joint plate slide support recess having an inclined joint surface formed on one joint portion side floor housing of left and right floor housings provided via joint portions, A joint plate supporting portion provided on the other joint portion side floor housing of the left and right floor housings, and a plurality of roller bodies attached to the joint plate slide supporting recess at the bottom of the tip and projecting downward from the bottom surface The roller is supported so as to be slidable, and the rear end portion is mounted on the joint plate support portion so that the front end portion can be rotated in the vertical direction via a support. in floor joints apparatus comprising a floor joint plate covering the joint portion so as to face the roller having the plurality of roller bodies mounted at predetermined intervals on the front end bottom surface of the floor joint plate A receiving member, a shaft attached to the bearing member, and a pipe-like roller body rotatably attached to the shaft between the bearing members and having an inner diameter dimension several millimeters or more larger than the outer diameter dimension of the shaft; The floor joint device is configured using the above.

As is clear from the above description, the present invention has the following effects.
(1) According to the first aspect, when the left and right floor frames are swung so that the joint portion is widened or narrowed by an earthquake, the plurality of rollers on the bottom surface of the floor joint plate smoothly smooth the joint plate slide support recess. Slide to absorb the shaking movement.
(2) According to the above (1), when the left and right floor frames are sunk unevenly due to an earthquake, the bottom surface of the floor joint plate and the bottom surfaces of the plurality of rollers attached to the bottom bottom surface of the floor joint plate The gap between them can reliably prevent the bottom surface of the substantially central portion of the floor joint plate from being pushed up by the end of the joint plate slide support recess of one floor frame, as in the past. Can be used.
(3) According to the above (1), it is only necessary to attach a plurality of rollers to the bottom surface of the floor joint plate so as to protrude downward from the bottom surface of the floor joint plate. can do.
(4) According to (1), a plurality of rollers are inexpensive and can be easily installed, and a pipe-shaped roller body having an inner diameter dimension several millimeters or more larger than the outer diameter dimension of the shaft is used. It is possible to efficiently prevent malfunctions.

The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. The side view of the joint plate for floors of the 1st form for implementing this invention. The bottom view of the joint plate for floors of the 1st form for implementing this invention. Operation | movement explanatory drawing which a joint part becomes narrow by the earthquake of the 1st form for implementing this invention. Operation | movement explanatory drawing which a joint part becomes wide by the earthquake of the 1st form for implementing this invention. Explanatory drawing of the state which one floor frame sunk unevenly by the earthquake of the 1st form for implementing this invention. Explanatory drawing of the state by which the other floor frame was sunk unevenly by the earthquake of the 1st form for implementing this invention. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 10-10 line of FIG. The bottom view of the joint plate for floors 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 13-13 line | wire of FIG. The bottom view of the joint plate for floors of the 3rd form for implementing this invention. The top view of the 4th form for carrying out the present invention. FIG. 16 is a cross-sectional view taken along line 16-16 in FIG. 15; The bottom view of the joint plate for floors of the 4th form for implementing this invention.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. 8, 1 is a floor joint device of the present invention covering between the left and right floor frames 3, 3 provided via the joint portion 2. The floor joint device 1 includes a joint plate slide support concave portion 5 having an inclined surface 4 formed on one joint portion side floor housing 3 of the left and right floor housings 3 and 3, and the left and right floor housings 3. 3, a recessed joint plate support portion 6 having a dimension L ₁ shallower than the depth dimension L of the joint plate slide support recessed portion 5 formed in the other joint portion side floor housing 3, and a tip portion of the joint plate is the joint plate The slide support recess 5 is covered, the rear end portion covers the joint plate support portion 6, and the floor joint plate 8 is attached by a support 7 so that the tip end portion can be rotated upward.

The floor joint plate 8 is a shallow joint-shaped floor joint plate main body 9 having a height dimension substantially the same as the L ₁ dimension, and a recess at the bottom of the front end of the floor joint plate main body 9. Bearing member 11, 11 attached by welding or the like at a predetermined interval so as to protrude downward in the place where the portion 10 is formed, the shaft 12 rotatably attached to the bearing member 11, 11 or fixedly attached thereto, the bearing member 11 and 11, each of which is rotatably attached to the shaft 12, and has a pipe shape whose inner diameter is several millimeters or more larger than the outer diameter of the shaft 12, and the upper surface of the floor joint plate body 9 is the left and right The roller 14 is composed of a plurality of roller bodies 13 that are substantially flush with the upper surfaces of the floor casings 3 and 3, and can operate even if dust or dust enters a gap between the shaft 12 and the roller body 13. And for the floor Fixed to the joint plate main body 9 with a cover plate 16 rotatably attached to the tip of the joint plate main body 9 via a hinge member 15 and the joint plate support 6 formed on both sides of the rear end of the floor joint plate main body 9. Engagement pin support boxes 18, 18 constituting a part of the support 7 that engages with the engagement pins 17, 17 constituting a part of the supported support 7, and the engagement pin support boxes 18, 18 Cover plates 19 and 19 that cover the upper opening, and mortar and concrete 20 filled in the floor joint plate body 9 and a floor decorative plate 21 such as tile and brick.

  In addition, although the roller 14 which arrange | positions the one roller main body 13 in the outer peripheral part of the said axis | shaft 12 was demonstrated, this invention is not restricted to this, and it is 2nd through the clearance gap of several millimeters or more in the outer peripheral part of the roller main body 13. Alternatively, a third roller body may be disposed on the outer periphery of the second roller body with a gap of several millimeters or more.

  As shown in FIGS. 1 and 2, the floor joint device 1 having the above-described configuration normally has the joint portion 2 as the floor joint plate 8 and the upper surfaces of the left and right floor frames 3 and 3, and the floor joint plate 8. The upper surface is covered so as to be substantially the same surface.

  When the left and right floor casings 3 and 3 are swung as shown in FIG. 5 so that the joint portion 2 is narrowed by the earthquake, the roller main bodies 13 and 13 of the roller roller 14 of the floor joint plate 8 are the joint plate slide support recesses. 5 rolls without sliding on the inclined surface 4 and absorbs the shaking motion.

  When this roller 14 rolls and moves on the inclined surface 4 of the joint plate slide support recess 5, a plurality of roller bodies 13, 13 are pressed by the shaft 12 that moves integrally with the floor joint plate body 9. The individual roller bodies 13 and 13 smoothly roll while being pressed against the inclined surface 4, and absorb the shaking movement.

  The plurality of roller main bodies 13 and 13 of the roller 14 can smoothly roll on the floor surface 3a of the floor frame 3 in the same manner. At this time, the bottom surface of the substantially central portion of the floor joint plate body 9 collides with the joint portion side end portion of the joint plate slide support recess 5, and the plurality of roller bodies 13, 13 are connected to the floor joint plate body 9. It is blocked by protruding from the bottom of the.

  When the left and right floor frames 3 and 3 are swung as shown in FIG. 6 so that the joint portion 2 is widened by an earthquake, the plurality of roller bodies 13 and 13 of the roller 14 of the floor joint plate 8 are connected to the joint plate. It can roll on the slide support recess 5 in a state where the plurality of roller main bodies 13 and 13 are in close contact with each other, and can smoothly absorb the shaking movement.

  When one of the left and right floor frames 3 and 3 sinks unequal due to the earthquake, the plurality of roller bodies 13 and 13 protrude from the floor surface 9a of the floor joint plate body 9 as shown in FIG. Even if the joint plate main body 9 is in an inclined state, the bottom surface of the substantially central portion can prevent collision with the joint portion side end portion of the joint plate slide support recess 5 and can absorb the shaking motion.

  When the other of the left and right floor frames 3 and 3 sinks unequally, as shown in FIG. 8, the substantially central portion of the bottom surface of the floor joint plate main body 9 is the joint portion side end of the joint plate slide support recess 5. Therefore, the shaking movement can be absorbed.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 to 17 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  The second embodiment for carrying out the present invention shown in FIGS. 9 to 11 is mainly different from the first embodiment for carrying out the present invention in that a recess is not formed on the bottom surface of the tip portion. The first embodiment for carrying out the present invention is the floor joint device 1A using the roller 14A configured as described above in that the roller 14A having a plurality of bearing members 11 and 11 attached thereto is used. The same effect as that of the embodiment can be obtained.

The third embodiment for carrying out the present invention shown in FIGS. 12 to 14 is mainly different from the first embodiment for carrying out the present invention in that a U-shaped bearing member 11A has a shaft 12A and a shaft 12A. The roller 14B to which the roller body 13 is attached is connected to the floor joint plate body 9
The floor joint device 1B having a plurality of such rollers 14B attached to the floor joint plate body 9 in the state of being attached in series to the bottom surface of the front end of the first member for carrying out the present invention. The same effect as the form can be obtained.

  In addition, you may attach the roller 14B to the both ends and center part of the front-end bottom face of the floor joint plate main body 9 via a clearance gap.

  The fourth embodiment for carrying out the present invention shown in FIGS. 15 to 17 is mainly different from the first embodiment for carrying out the present invention. The present invention is also applied to a floor joint device 1C configured using such a roller 14C in that a roller 14C using a roller body 13A having a barrel-shaped shape whose central portion has a large diameter is used. In addition to the same effects as the first embodiment, the contact area between the roller body 13A and the joint plate slide support recess 5 is reduced, so that the roller body 13A can be rolled more smoothly. The movement in the direction perpendicular to the rolling direction of can also be performed relatively smoothly.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a floor joint device that covers a space between right and left floor frames provided via joint portions.

1, 1A, 1B, 1C: floor joint device,
2: joint part, 3: floor frame,
4: Inclined surface,
5: Joint plate slide support recess,
6: Joint plate support part, 7: Support tool
8: Floor joint plate, 9: Floor joint plate body,
10: recess, 11, 11A: bearing member,
12, 12A: shaft, 13, 13A: roller body,
14, 14A: Roller, 15: Hinge member,
16: Cover plate, 17: Engagement pin,
18: engagement pin support box, 19: cover plate,
20: Mortar and concrete, 21: Floor decorative board.

Claims (1)

An anti-joint part formed on one joint part side floor case of the left and right floor case provided through the joint part is an inclined joint plate slide support recess, and the other joint side floor of the left and right floor case A joint plate supporting portion provided on the housing, and a roller having a plurality of roller bodies attached to the joint bottom plate slide supporting recess and projecting downward from the bottom surface are supported so as to be slidable. The floor is attached to the joint plate support part via the support so that the tip part can be rotated in the vertical direction and covers the joint part so as to be substantially flush with the floor surfaces of the left and right floor frames. in floor joints apparatus comprising a use joint plate, roller having a plurality of roller bodies and bearing member mounted at predetermined intervals on the front end bottom surface of the floor joint plates, mounting et this bearing member And a pipe-shaped roller body that is rotatably attached to the shaft between the bearing members and has an inner diameter of several millimeters larger than the outer diameter of the shaft. floor joint apparatus according to.

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