JP2010133103A - Floor joint device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floor joint device capable of efficiently preventing the damage of a locking pin and a center holding device by allowing smooth movement with little resistance when the tip of a joint plate is slidingly moved by an earthquake. <P>SOLUTION: The floor joint device includes a joint plate sliding support recess with an anti-joint part side formed as an inclined surface to support a joint plate slidably. The joint plate sliding support recess is formed with a large number of protrusions at predetermined spaces on the upper face so that the joint plate can smoothly slide on the joint plate sliding support recess. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a floor joint device that covers a joint portion between left and right floor frames capable of running a vehicle.

Conventionally, a floor joint device on which a vehicle can travel includes a joint plate support concave portion formed in one joint portion side floor housing of the left and right floor housings, and the other joint portion side floor housing corresponding to the joint plate support concave portion. A joint plate slide supporting recess having an inclined surface on the side opposite to the joint portion, a joint plate having 200 kg to 400 kg attached so as to cover the joint plate slide supporting recess and the joint plate supporting recess, and the joint plate A locking pin insertion case formed at a position near both sides of the rear end portion of the joint plate so that the front end portion can be moved in the vertical direction, and the floor of the joint plate support recess inserted into the locking pin insertion case It was comprised with the attachment means which consists of a locking pin fixed to the housing.

For this reason, when a joint plate of 200 kg to 400 kg slides due to an earthquake, the resistance between the lower surface of the joint plate on the tip side and the joint plate slide support concave portion is large, and a large load is applied to the locking pin, resulting in damage. There was a drawback that it was easy.
In addition, when the joint plate is greatly shaken so that the joint becomes narrow due to the earthquake, the rear end of the joint plate moves upward, the locking state between the locking pin insertion case and the locking pin is released, and the shaking motion stops. Even so, there was a drawback that the joint plate could not return to its original state.
JP2007-132157A

    In view of the above-mentioned conventional drawbacks, the present invention has a low resistance and can move smoothly when the tip of the joint plate slides due to an earthquake, thereby efficiently damaging the locking pin and the central maintenance device. It aims at providing the joint device for floors which can be prevented well.

  In addition, the present invention can automatically discharge dust, such as sand, that has entered the bottom surface of the joint plate to the joint portion with rainwater or the like, and can be locked even if the joint plate is greatly shaken so that the joint portion is narrowed. An object of the present invention is to provide a floor joint device that can reliably prevent a pin from coming off from a locking pin insertion hole fixed to a joint plate and can automatically return to its original state when the shaking motion stops. .

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 device for floor having a joint plate slide support recess formed on an inclined surface on the side opposite to the joint portion that supports the joint plate so as to be slidable. In order to allow the joint plate to slide and move smoothly, a joint device for floor is formed by forming a plurality of protrusions at predetermined intervals on the joint plate slide support recess.

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

(1) In a floor joint device having a joint plate slide support concave portion formed on an inclined surface on the side opposite to the joint portion that slidably supports the joint plate, the joint plate smoothly moves on the joint plate slide support concave portion. Since the joint plate slide supporting recess is formed on the upper surface so that it can slide, a plurality of projections are formed at predetermined intervals, so that the bottom plate on the joint plate tip side and the slide cover member are contacted by a plurality of projections. Therefore, even if the joint plate is heavy, it can be slid smoothly without great resistance.
Therefore, it is possible to efficiently prevent damage to the locking pin or the central maintenance device to which the joint plate is attached.

(2) According to the above (1), since the tip end side of the joint plate is supported by a plurality of projections of the slide cover member, even if dust such as sand enters the bottom surface of the joint plate, Therefore, it is possible to efficiently prevent dust such as sand from being located, the joint plate from rattling and making noise.

(3) According to the above (1), it is only necessary to attach the slide cover member having a large number of protrusions to the joint plate slide support concave portion, so that it can be easily implemented.

(4) In claim 2, the same effects as in (1) to (3) can be obtained, and dust such as sand that has entered the bottom surface of the joint plate can be automatically discharged to the joint portion with rainwater or the like. it can.
Therefore, the cleaning work is easy and the number of times can be reduced.

(5) A third aspect of the present invention provides the same effect as the above (1) to (4), and is a stopper fixed to the rear end portion of the joint plate even if the joint portion is swung so as to become narrow due to an earthquake. It is possible to reliably prevent the piece from coming into contact with the presser plate fixed to the upper portion of the locking pin and falling off.
Therefore, when the shaking motion of the earthquake stops, the joint plate can automatically return to the original state.
For this reason, even if an earthquake occurs, repair work is unnecessary, and the repair cost can be reduced.

  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 best mode for carrying out the present invention shown in FIGS. 1 to 9, reference numeral 1 denotes an embodiment of the present invention that covers the space between the floor frame bodies 3, 3 provided through the joint portion 2 and capable of traveling the vehicle. The floor joint device 1 includes a joint plate support concave portion 4 formed on the joint portion side of one floor housing 3 and the other floor housing 3 corresponding to the joint plate support concave portion 4. A joint plate slide support recess 6 formed on the inclined surface 5 on the side opposite to the joint portion formed on the joint portion side, a rear end portion is supported by the joint plate support recess 4, and a tip end portion on the joint plate slide support recess 6 A joint plate 7 that is slidably supported, and attachment means 8 that attaches the rear end portion of the joint plate 7 to the joint plate support recess 4 so that the tip of the joint plate 7 can be rotated in the vertical direction. Consists of

  The surface of the joint plate support recess 4 is covered with a plurality of countersunk screws 10 or the like with a metal cover member 11 fixed to the floor frame 3 of the part.

  The joint plate slide support recess 6 is formed on an inclined surface 12 such that the joint part 2 side is sequentially lowered, and the surface thereof is covered with a slide cover member 13. The slide cover member 13 includes a plate-like slide cover member main body 14 made of a metal that comes into surface contact with the joint plate slide support recess 6, and an upper surface of the slide cover member main body 14 on the tip end side of the joint plate 7. A large number of hemispherical protrusions 15 are arranged at predetermined intervals so that the joint portion side is sequentially raised and the upper surface is in a horizontal state so that the bottom surface can be supported with a small resistance. A plurality of tapping screw insertion holes 17 for attaching tapping screws 16 for fixing the slide cover member main body 14 to the joint plate slide supporting recess 6 are formed in a plurality of arbitrary portions.

  As shown in FIGS. 5 to 6, the joint plate 7 includes a shallow plate-like rectangular joint plate body 18 made of a metal material, concrete or mortar 19 filled in the joint plate body 18, and the concrete. And a decorative flooring 20 such as a tile or a brick disposed on the top of the mortar 19 and a cover plate 22 attached to the tip of the joint plate body 18 via a hinge member 21.

As shown in FIG. 7, the attachment means 8 includes a rectangular cylindrical locking pin insertion case 23 provided in a portion near both sides of the front end portion of the joint plate 7, and into the locking pin insertion case 23. A cover member 11 fixed to the floor frame 3 of the part so as to cover the joint plate support recess 4 so that the tip part of the joint plate 7 enters in an inclined state so as to be rotatable in the vertical direction. A fixed prismatic locking pin 24, and a presser plate 26 slidably fixed to the upper portion of the locking pin 24 with screws 25, 25, etc., and capable of sliding in the locking pin insertion case 23; A stopper piece 27 that is capable of rotating in the vertical direction at the front end of the joint plate 7 fixed to the inner wall surface of the locking pin insertion case 23 and that can come into contact with the presser plate 26; At the top of the pin insertion case 23 Legs Tagged upper surface is substantially flush with the upper surface of the joint plate 7 28a, it is composed of a plug cap 28 having 28a.

In the floor joint device 1 having the above-described configuration, when the joint portion 2 becomes wider or narrower due to an earthquake or the like, as shown in FIGS. 8 and 9, the slide of the tip portion of the joint plate 7 covers the joint plate slide support recess 6. The upper surface of the projections 15 of the cover member 13 slides smoothly with less resistance and absorbs the swaying movement, so that the load applied to the locking pins 24, 24 of the attachment means 8 is small and can be damaged. While being able to prevent efficiently, even if dust, such as sand, invades the bottom surface of the tip portion of the joint plate 7, the slide cover member 13 is inclined, and the joint portion is formed between the plurality of protrusions 15 by rainwater or the like. 2 can be discharged.
When the joint portion 2 is narrowed and the tip of the joint plate 7 is rotated upward, when a force is applied to the joint plate 7 to come off from the locking pins 24, 24, the upper portions of the locking pins 24, 24 The stopper pieces 27 and 27 fixed to the locking pin insertion cases 23 and 23 fixed to the joint plate 7 are brought into contact with the presser plates 26 and 26 fixed to the joint plate 7, so that the joint plate 7 is moved from the locking pins 24 and 24. It can be reliably prevented from coming off.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 10 to 19 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. 10 to 12 is mainly different from the best first embodiment for carrying out the present invention in that the floor frame 3 has both left and right ends. 3 using a joint plate 7A supported by slide cover members 13 and 13 provided at 3 and using a square frame-shaped link mechanism 29 in which the center portion of the joint plate 7A is always located at the center portion of the joint portion 2. Even in the floor joint device 1A configured as described above, the same effect as that of the best first embodiment for carrying out the present invention is obtained in that the attachment means 8A using the maintenance device 30 is used. It is done.

  The third embodiment for carrying out the present invention shown in FIGS. 13 to 16 is mainly different from the best first embodiment for carrying out the present invention in that a joint plate slide support formed on a horizontal plane is used. The present invention is also applied to the floor joint device 1B configured as described above in that the slide cover member 13A is formed on the bottom surface with a plurality of legs 31 whose bottom surfaces are sequentially lowered in the joint 6A. Therefore, the same effects as those of the best first embodiment can be obtained.

  The fourth embodiment for carrying out the present invention shown in FIGS. 17 to 19 is mainly different from the third embodiment for carrying out the present invention in that the joint plate slide support recess 6A has the same size. Even in the floor joint device 1C configured in this way, the joint plate 7 can be smoothly slid and moved in the point that the slide cover member 13B formed with a large number of projections 15A is fixed. Since dust such as sand that has entered the bottom surface is located between the numerous protrusions 15A, it is possible to efficiently prevent the joint plate 7 from rattling.

In each of the embodiments for carrying out the present invention, the hemispherical projections 15 and 15A are formed on the slide cover members 13, 13A and 13B. However, the present invention is not limited to this. Even if the projection has a shape such as a truncated cone shape or a truncated pyramid shape, the same effect can be obtained.
The third and fourth embodiments for carrying out the present invention can be used in the same manner for the second embodiment for carrying out the present invention.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a floor joint device that can be used even in a portion where a vehicle travels in the upper part.

The top view of the best 1st form for implementing this invention. Sectional drawing which follows the 2-2 line of FIG. The top view of the slide cover member of the best 1st form for implementing this invention. The front view of the slide cover member of the best 1st form for implementing this invention. The top view of the joint plate of the best 1st form for implementing this invention. Sectional drawing which follows the 6-6 line of FIG. Explanatory drawing of the attachment means 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 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 2nd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Explanatory drawing of the center maintenance apparatus of the 2nd form for carrying out the present invention. The top view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 14-14 line | wire of FIG. The top view of the slide cover member of the 3rd form for carrying out the present invention. FIG. 16 is a cross-sectional view taken along line 16-16 of FIG. The top view of the 4th form for carrying out the present invention. FIG. 18 is a sectional view taken along line 18-18 in FIG. 17; Explanatory drawing of the slide cover member of the 4th form for implementing this invention.

Explanation of symbols

1, 1A, 1B, 1C: floor joint device,
2: joint part, 3: floor frame,
4: Joint plate support recess, 5: Inclined surface,
6, 6A: Joint plate slide support recess,
7, 7A: joint plate, 8, 8A: mounting means,
10: countersunk screw 11: cover member,
12: inclined surface,
13, 13A, 13B: slide cover member,
14: slide cover member main body, 15, 15A: protrusion,
16: Tapping screw 17: Tapping screw insertion hole,
18: Joint plate body, 19: Concrete and mortar,
20: floor decorative material, 21: hinge member,
22: Cover plate, 23: Locking pin insertion case,
24: Locking pin, 25: Screw,
26: Presser plate, 27: Stopper piece,
28: Lid, 29: Link mechanism,
30: Central maintenance device, 31: Leg.

Claims (3)

In a floor joint device provided with a joint plate slide support recess formed on an inclined surface on the side opposite to the joint portion that slidably supports the joint plate, the joint plate can smoothly slide on the joint plate slide support recess. As described above, the floor joint device is characterized in that the joint plate slide support concave portion is covered with a slide cover member having a plurality of projections formed at predetermined intervals on the upper surface. The joint plate slide support recess is formed on an inclined surface so that the joint portion side is sequentially lowered, and the upper surface of the plurality of projections of the slide cover member covering the joint plate slide support recess is on the joint portion side so as to be in a substantially horizontal position. 2. The floor joint device according to claim 1, wherein the protrusions are formed so as to be sequentially higher. The joint plate is attached to the joint plate support concave portion formed on the joint portion side of the floor frame opposite to the portion where the joint plate slide support concave portion is formed via the attachment means, and the attachment means is connected to the joint plate. A locking pin insertion case provided at a position near both sides of the rear end of the plate, and in a tilted state so that the front end portion of the joint plate can be vertically rotated into the locking pin insertion case. A locking pin fixed to the housing of the joint plate supporting recess so as to enter, a presser plate detachably fixed to an upper portion of the locking pin, and slidably movable in the locking pin insertion case; A stopper piece capable of vertically rotating a tip portion of the joint plate fixed to an inner wall surface of a stop pin insertion case and capable of contacting the presser plate is provided. 1,2 floor joint device according to any one.

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