JP5188890B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device that covers a left and right floor frame provided via a joint so that a vehicle or the like can travel.

Conventionally, in order to connect between the left and right floor frame provided through the joint part, left and right joint plate support concave portions formed on the inclined surface on the joint part side left and right floor frame, To provide a joint plate filled with concrete or mortar on the shallow plate member that covers the left and right joint plate support recesses, and to center the joint plate at the center of the joint portion at one end, one joint portion At least two bar members that are pivotally supported by the side floor case and can move on a guide rail whose other end is fixed substantially horizontally to the other joint part side floor case; The bar member is supported by a support bar pivotally supported by a pivot pin and at least two support rods fixed to the joint plate on the support bar.

For this reason, when there is a lateral movement that causes the joint part to narrow or widen, the joint plate and the support bar have the disadvantage that they move in the front-rear direction, so they must be installed so that they can move. There was a drawback.
JP 2002-47740 A

    In the present invention, in view of the above-described conventional drawbacks, when the left and right floor frames are swung in the left-right direction where the joint portion becomes narrower or wider, the center portion of the joint plate is positioned at the center portion of the joint portion. It is possible to use a joint plate center maintaining mechanism that supports the joint plate so that it can be used, and does not require the force to move the joint plate in the front-rear direction as in the past, and to provide a joint device for floors that is difficult to damage. It is aimed.

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 provides a right and left joint plate support in which an inclined surface is formed on the side opposite to the joint part in the left and right floor frame via the joint part and having a dimension approximately half the width of the joint part. Fixed in a substantially horizontal state to the recess , a plurality of joint plates arranged in parallel so as to cover the left and right joint plate support recesses, and the left and right floor frame on the joint portion side of the lower position of the left and right joint plate support recesses A joint plate using a pair of guide rails which are bent vertically so that both ends of the upper and lower bars of the X-shaped support link are slidably supported by the pair of guide rails The center maintenance mechanism constitutes a floor joint device.

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

(1) When the left and right floor frame swings in different left and right directions, the center portion of the joint plate can be positioned at the center portion of the joint portion by opening and closing the X-shaped support link of the joint plate center maintaining mechanism.
Therefore, since the joint plate is not moved in different front and rear directions as in the prior art, even the joint plate center maintaining mechanism having low strength and rigidity can be prevented from being damaged and operated reliably.

(2) According to the above (1), the center part of the joint plate can be always located at the center part of the joint part, and can be used safely.

(3) Since the X-shaped support link is used according to (1), the center portion of the joint portion can be easily set, and the center maintenance bar can be easily attached.

(4) Both ends of the upper and lower bars of the X-shaped support link use a joint plate center maintaining mechanism that is bent in the vertical direction so as to be slidably supported by the pair of guide rails. Therefore, a pair of guide rails is sufficient, and the cost can be reduced .

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment considered by the inventor shown in the drawings and a best mode for carrying out the present invention.

  In the first embodiment considered by the present inventor shown in FIG. 1 to FIG. 9, reference numeral 1 denotes a floor joint device, and this floor joint device 1 includes left and right floor frames 3, 3 provided via joint portions 2. The right and left joint plate support recesses 5 are formed in the left and right floor frames 3 and 3 on the joint portion side, and have inclined surfaces 4 and 4 formed on the side opposite to the joint portion 2 with a dimension approximately half the width dimension L of the joint portion 2. 5, a plurality of joint plates 6 capable of traveling such as vehicles arranged in parallel so as to cover the left and right joint plate support recesses 5, 5, and the center portion of the plurality of joint plates 6 as the joint portion. 2 and the joint plate center maintenance mechanism 7 always located in the center part of 2. FIG.

  As shown in FIG. 4, the plurality of joint plates 6 include a shallow plate-shaped metal plate main body 8, concrete or mortar 9 filled in the joint plate main body 8, and the concrete or mortar 9. The floor decorative board 10 such as a tile laid on the upper surface of the joint plate, and wings 12 and 12 attached to both ends of the joint plate body 8 via hinge members 11 and 11, respectively.

As shown in FIG. 5, the joint plate center maintaining mechanism 7 is fixed in a substantially horizontal state to the left and right housings 3 and 3 on the joint part side of the lower position of the left and right joint plate supporting recesses 5 and 5. A pair of guide rails 13, 13, 14, 14 and at least two of the two pairs of guide rails 13, 13, 14, 14 having rollers 15, 15, 15, 15 provided with both ends slidably mounted The above-mentioned X-shaped support links 16 and 16 and the joint portion pivotally supported by the pivot pins 18 and 18 on the central pivot portions 17 and 17 of the at least two X-shaped support links 16 and 16 are provided. To the pin insertion holes 20 and 20 formed in the central maintenance bar 19, which are respectively fixed to the central maintenance bar 19 located in the central part and the portions near the both sides of the central part of the plurality of joint plates 6. Slide transfer Capable to be inserted, and a engaging pin 21 to move the joint plate.
The pin insertion holes 20 and 20 formed in the center maintaining bar 19 are set so that the pivot pins 18 are not attached, and the engagement pins 21 and 21 are at both ends of the joint plate 6. Even in a state in which it is lifted up on the left and right floor frames 3, 3, a length that can maintain the engaged state with the pin insertion holes 20, 20 formed in the central maintenance bar 19 is used.

In the floor joint device 1 having the above configuration, the joint portion 2 is normally covered with a plurality of joint plates 6 as shown in FIGS. 1 and 2 so that the vehicle can travel.
When the joint portion 2 becomes wide due to an earthquake or the like, as shown in FIGS. 6 and 7, the plurality of joint plates 6 are moved by narrowing the both ends of the X-shaped support links 16 and 16 of the joint plate center maintaining mechanism 7. Since the center portion of the joint plate 6 is maintained at the center portion of the joint portion 2, the front end portions of the wings 12 and 12 enter the left and right joint plate supporting recesses 5 and 5 by substantially the same dimensions (equal to the left and right). And absorb the shaking movement.
When the joint portion 2 is narrowed, as shown in FIGS. 8 and 9, the joint plates 6 are moved by the movement of the both ends of the X-shaped support links 16, 16 of the joint plate center maintaining mechanism 7. 6 is maintained at the center of the joint 2, both ends of the joint plate 6 slide on the inclined surfaces 4, 4 of the left and right joint plate support recesses 5, and the left and right floor frame 3 Go up 3 and absorb the swaying motion.
In addition, when the left and right floor frame swings in different longitudinal directions due to the earthquake, the X-shaped support links 16 and 16 of the joint plate center maintaining mechanism 7 follow the two pairs of guide rails 13, 13, 14 and 14. The sliding movement can be absorbed by sliding.
In order to prevent the joint plate 6 from moving more than necessary in the front-rear direction, a support bar that supports the center maintaining bar 19 so as to be slidable in the left-right direction is provided on one floor frame 3 at the end of the center maintaining bar 19. It becomes possible by fixing.

  Next, an embodiment considered by the present inventor shown in FIGS. 10 to 16 and a best mode for carrying out the present invention will be described. In the description of these embodiments, the same components as those in the first embodiment considered by the present inventor are denoted by the same reference numerals, and redundant description is omitted.

  The first embodiment for carrying out the present invention shown in FIG. 10 to FIG. 13 is mainly different from the first embodiment considered by the present inventor in the lower positions of the left and right joint plate supporting recesses 5 and 5. A pair of guide rails 13 and 13 fixed in a substantially horizontal state to the left and right floor frame bodies 3 and 3 on the joint portion side, and bent portions at both ends attached to the guide rails 13 and 13 so as to be slidable. The use of the joint plate center maintaining mechanism 7A using at least two or more X-shaped support links 16A, 16A formed with 22, 22, 23, 23 and attached with the rollers 15, 15, 15, 15 The floor joint device 1A using the joint plate center maintaining mechanism 7A may be used.

  14 to 16, the second form considered by the present inventor is mainly different from the first form considered by the present inventor in that the left and right joint plate supporting recesses 5 and 5 are formed at both ends. While using the joint plate 6A which formed the inclined surfaces 24 and 24 which surface-contact with the inclined surfaces 4 and 4, the edge part of the center maintenance bar | burr 19 is slidable to the edge part of one floor frame 3, and the edge part of the center maintenance bar 19 is a front-end | tip part. In the point of using the joint plate movement restriction bar 25 fixed to the floor, the floor joint device 1B configured as described above can obtain the same operation and effect as the first embodiment considered by the present inventors. Even if the left and right floor frames 3, 3 swing in different front-rear directions, the joint plate movement restriction bar 25 can prevent the joint plate 6A from moving in the front-rear direction more than necessary.

  In each of the above embodiments, the description has been given of the case where the joint plates 6 and 6A are directly supported by the left and right joint plate support recesses 5 and 5. However, the present invention is not limited to this, and the left and right joint plate support recesses are made of a metal material. The joint plate may be covered so that the joint plate can be moved smoothly.

  INDUSTRIAL APPLICABILITY The present invention is used in industries for manufacturing floor joint devices that cover joint portions between left and right floor frames.

The top view of the 1st form which this inventor considered. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of the joint plate of the 1st form which this inventor considered. Explanatory drawing of the joint plate center maintenance mechanism of the 1st form which this inventor considered. The top view in the state where the joint part of the 1st form which this inventor considered was wide. Sectional drawing in alignment with line 7-7 in FIG. The top view in the state where the joint part of the 1st form which this inventor considered became narrow. Sectional drawing which follows the 9-9 line of FIG. 1 is a plan view of a first embodiment for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Sectional drawing which follows the 12-12 line of FIG. Explanatory drawing of the joint plate center maintenance mechanism of the 1st form for implementing this invention. The top view of the 2nd form which this inventor considered. FIG. 15 is a sectional view taken along line 15-15 in FIG. 14; Explanatory drawing of the joint plate movement control bar of the 2nd form which this inventor considered.

1, 1A, 1B: floor joint device, 2: joint portion,
3: floor frame, 4: inclined surface,
5: Joint plate supporting recess, 6, 6A: Joint plate,
7, 7A: Joint plate center maintenance mechanism,
8: Joint plate body, 9: Concrete and mortar,
10: Floor decorative board, 11: Hinge member,
12: Wing, 13, 14: Guide rail,
15: Roller,
16, 16A: X-shaped support link,
17: Central pivot, 18: pivot pin,
19: central maintenance bar, 20: pin insertion hole,
21: engagement pin, 22, 23: bent portion,
24: inclined surface,
25: Joint plate movement restriction bar.

Claims (1)

The left and right floor plate support recesses having left and right joint plate support recesses formed on the opposite side of the joint with the left and right floor plate supports approximately half the width of the joints and the left and right joint plate support recesses. A plurality of joint plates arranged in parallel so as to cover and a pair of guide rails fixed in a substantially horizontal state are provided on the left and right floor frames on the joint portion side of the lower portion of the left and right joint plate supporting recesses, and X Both ends of the upper and lower bars of the letter-shaped support link are provided with a joint plate center maintaining mechanism using a bent one in the vertical direction so as to be slidably supported by the pair of guide rails. Floor joint device.

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