JP6297612B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device for closing joint portions between casings provided via joint portions.

  Conventionally, as a floor joint device for closing the joint portion, a pair of recesses formed on the joint portion side floor surface of the left and right frames built via the joint portion so as to open to the joint portion, and this A joint plate that is slidably movable in the pair of recesses, both ends of the pair of recesses being positioned substantially at the center of the pair of recesses, and located in the pair of recesses at both ends of the joint plate. A pair of cover plates fixed to the left and right housings so as to cover the portion, and a support that can support a load applied to the pair of cover plates in a recess in the pair of cover plates at a predetermined interval. A pair of cover plates comprising a plurality of lower support rollers supported by the recesses and a plurality of upper support rollers that support the pair of cover plates supported by the support at predetermined intervals. There is known a floor joint device composed of a heavy support and a pair of central maintenance tools that always place the pair of cover plate load support tools at substantially the center of the recesses in the pair of cover plates. Patent Document 1).

  However, when the joint portion becomes narrow due to an earthquake, the joint plate may collide with the cover plate load support tool and be damaged. Therefore, when the size of the pair of recesses where the joint plate is provided must be set large, the cost becomes high and the space for forming the recesses becomes large. With only one cover plate load support tool, when a load is applied to the cover plate, the load cannot be supported except at a position where the cover plate load support tool is located, and the cover plate is bent.

  Further, in such a floor joint device, a large recess for sliding the joint plate has to be formed. For this reason, such a joint device for floors cannot be used when it is impossible in terms of strength to form a recess by greatly shaving a housing such as a slab.

Japanese Patent No. 3445208

  In view of the above-described conventional drawbacks, the present invention can always support the cover plate without increasing the size of the joint plate support portion (the support portion in the inner direction of the housing from the wall surface of the housing). It is an object of the present invention to provide a floor joint device that can be efficiently prevented from being bent into a curved surface due to a load applied thereto, and can be installed without almost processing a slab or the like.

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, a floor joint device of the present invention is installed on a joint plate that closes a joint portion between one and the other housing and on the other housing side so as to be supported on the upper surface of the joint plate. A floor joint device including a cover plate, a joint plate support provided on the one housing, a joint plate slide support provided on the other housing, and a joint plate slide support on the joint plate slide support A plurality of thin plate-like joint plate receiving members provided at a predetermined interval, one end portion is supported by the joint plate supporting portion, and the other end portion is supported by the plurality of thin plate-like joint plate receiving members. A joint plate, a cover plate that covers the joint plate slide support portion and is provided above the joint plate so as to be positioned above the joint plate, and the joint plate And a plurality of cover plate support mechanisms that support the cover plate. One end of the joint plate is pivotally supported by the joint plate support, and the other end is the plurality of the plurality of cover plate support mechanisms. A plurality of bar members supported by the joint plate receiving member and a joint plate body fixed to the plurality of bar members, and the cover plate support mechanism rotates at a predetermined interval between the joint plate receiving members. The support plate can be supported in the upright state, and can be rotated when pressed against the joint plate body from the side, and the support device is in the upright state. And an urging tool for urging the power .

As is clear from the above description, the present invention has the following effects.
(1) In each invention of Claim 1 , when the said joint part becomes narrow at the time of an earthquake, the support tool which is supporting the lower surface of the said cover plate is pressed by the insertion edge part of the said joint plate, and rotates. In addition, since the support member sinks below the joint plate, it is not necessary to increase the size of the joint plate support portion in order to prevent damage due to the collision between the joint plate and the cover plate support mechanism.
(2) Further, since a plurality of the support tools are provided with a predetermined interval between the joint plate receiving members, the cover plate is supported at a predetermined interval even if the joint portion becomes wider or narrower. It is possible to efficiently prevent the cover plate from being bent.
(3) The joint plate has one end portion pivotally supported by the joint plate support portion and the other end portion supported by the plurality of thin plate joint plate receiving members, and the plurality of bar members. Since it is comprised from the fixed joint plate main body, it is not necessary to make a joint plate support part a big recess.
Therefore, the slab can be installed with little processing.
(4) In each of the inventions according to claims 2 and 3, the same effects as in the above (1) to (3) can be obtained.

1 to 9 are explanatory views showing a first embodiment of the present invention.
10 to 12 are explanatory diagrams showing a second embodiment of the present invention.
The top view of the floor joint apparatus which shows 1st Embodiment. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of a joint plate. Explanatory drawing of a cover plate support mechanism. Explanatory drawing of a joint plate receiving member. The operation explanatory view where the joint became narrow by the earthquake. The operation explanatory view where the joint became wide by the earthquake. The top view of the floor joint apparatus which shows 2nd Embodiment. Sectional drawing which follows the 10-10 line of FIG. Explanatory drawing of a joint plate receiving member.

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, reference numeral 1 denotes a floor joint device installed between one housing 3 and the other housing 4 provided through a joint portion 2. is there.
The left-right direction is the left-right direction in FIG. 1 (plan view), and the front-rear direction is the up-down direction in FIG.

  Further, in the present invention, the frame means a building on which joint plates such as buildings, roads, slabs, and elevator shafts can be installed, and the entrance / exit is not only an entrance / exit provided with doors and doors, but also people and vehicles It also includes a passage that can be accessed.

  As shown in FIGS. 1 to 3, the floor joint device 1 is provided on a joint plate support portion 5 provided on one housing 3 of the left and right housings and on the other housing 4 of the left and right housings. One end portion is supported by the joint plate slide support portion 6, a plurality of joint plate receiving members 7 provided on the joint plate slide support portion 6 with a predetermined interval, and the joint plate support portion 5. The other plate 4 is provided on the other casing 4 so as to cover the joint plate 8 having the other end supported by the joint plate receiving member 7 and the joint plate slide support 6 and to be positioned above the joint plate 8. A cover plate 9 is provided between the plurality of joint plate receiving members 7 and a cover plate support mechanism 10 that supports the cover plate 9.

  The joint plate support portion 5 is formed by an angle-shaped mounting bracket fixed to the wall surface of the one housing 3 on the joint portion side. In addition, this joint plate support part 5 may process and provide the wall surface by the side of the joint part of one building 3 in the shape of a recess.

  As shown in FIG. 4, the joint plate 8 has a rectangular parallelepiped shape in which one end portion is attached to a mounting bracket of the joint plate support portion 5 by a pin 11 and the other end portion is supported by the plurality of joint plate receiving members 7. The plurality of bar members 12, and the joint plate body 13 fixed to the plurality of bar members 12. The joint plate body 13 is formed of a metal thin plate material in a plan view shape.

  The joint plate slide support portion 6 is formed in a recess shape on the floor surface of the other casing 4 and is formed to have a size about twice that of the joint portion in the present embodiment. Since the plurality of bar members 12 of the joint plate 8 are indicated by the thin plate-like joint plate receiving member 7, the height of the recess is less than that when the bar member 12 of the joint plate 8 is supported by a roller or the like. Since it is not necessary, it is not necessary to process the slab or the like, or the processing of the slab or the like can be minimized.

  The cover plate 9 is a metal thin plate having a square shape in plan view, one end is fixed to the floor surface of the other housing 4, and the other end (end on the joint portion side) is the joint plate 8. Supported on the top surface. Further, as shown in FIG. 2 and the like, the other end portion is formed to have a dimension that is substantially flush with the wall surface on the joint portion side of the other casing 4.

  As shown in FIG. 5, the cover plate support mechanism 10 is made of a plurality of metal plates that are rotatably provided at predetermined intervals between the plurality of joint plate receiving members 7 provided at the predetermined intervals. It comprises a support tool 14, a roller 15 provided at the upper end of the plurality of support tools 14, and a biasing tool 16 for biasing the plurality of support tools 14 so as to be in an upright state. The plurality of supports 14 are formed in a substantially L shape so as to support the cover plate 9 in an upright state and to rotate when pressed from the side by the joint plate body 13. Has been.

An urging tool mounting portion 17 for attaching the urging tool 16 is formed in the vicinity of the roller 15 of the support tool 14, and one end of the urging tool 16 (coil spring in the present embodiment) is a joint plate slide. It is fixed to the support part 6 and the other end is fixed to the urging tool mounting part 17.
In addition, the support 14 supports the bottom surface of the cover plate 9 by the roller 15 in an upright state, and the casing swings in a direction in which the joint portion 2 becomes narrow due to the earthquake, and the joint plate body 13 causes the roller 15 to move. When pressed and tilted in the direction in which the support 14 is pressed, the roller 15 abuts against the bottom surface of the joint plate body 13, so that a large frictional force is generated between the bottom surface of the joint plate body 13. It can slide smoothly.

  As shown in FIG. 6, the joint plate receiving member 7 has a rectangular plate-like joint plate receiving member main body 18 in a plan view, and a plurality of joint plate receiving member main bodies 18 are formed at predetermined intervals in the joint plate receiving member main body 18. The roller member mounting portion 19 and a round bar-shaped roller member 20 rotatably mounted on the roller member mounting portion 19 are configured. The roller member 20 supports the bar member 12 of the joint plate 6. When the left and right housings 3 and 4 are swung in the left and right direction due to an earthquake, the joint plate 8 smoothly moves in the joint plate slide support portion 6. Is provided so that it can slide. The joint plate receiving member 7 is disposed between the cover plate support mechanisms 10.

  When the casings 3 and 4 are swung in the left-right direction due to the earthquake, and the joint portion 2 is narrowed, the bar member 12 of the joint plate 8 slides and moves the joint plate receiving member 7 in the left-right direction as shown in FIG. The support plate 12 of the cover plate support mechanism 10 pressed against the insertion end 13 rotates in the pressed direction and sinks into the lower side of the joint plate body 13 to absorb the shaking motion. At this time, even if the support tool 14 of the cover plate support mechanism 10 is tilted and cannot directly support the cover plate 9, the joint plate 8 supports the cover plate 9 because the joint plate 8 is located at that portion. The cover plate 9 can be prevented from bending. Further, the support member 14 of the cover plate support mechanism 10 supports the cover plate 9 in a portion where the joint plate is not located, as in normal times.

  When the shaking movement due to the earthquake is finished and the dimensions of the joint portion 2 are restored as in the normal state, the support tool 14 of the cover plate support mechanism 10 that has been pressed and tilted by the joint plate body 13 is the biasing tool 16. The cover plate 9 is supported in an upright state by the urging force.

  When the frames 3 and 4 are swung in the left and right direction and the joint portion 2 is widened by the earthquake, the bar member 12 of the joint plate 8 slides and moves the joint plate receiving member 7 in the left and right direction as shown in FIG. At this time, the support tool 14 of the cover plate support mechanism 10 provided at the portion where the cover plate 9 was normally supported by the joint plate 8 is brought into an upright state by the biasing force of the biasing tool 16. 9 is supported. Thereby, even if the joint part 2 becomes wide, it can prevent that the cover plate 9 bends.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 to 11 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 there are many thin plate-like joint plate receiving member main bodies 18. In the point that the joint plate receiving member 7A provided with the ball bearing 21 is provided, even with such a floor joint device 1A, it is possible to obtain the same function and effect as the first embodiment for carrying out the present invention. it can.

In the present embodiment, an outer wall joint device or the like is not shown between the wall surfaces of the left and right housings, but an outer wall joint device may be used as necessary.
Moreover, although what used a coil spring as an urging | biasing tool of a cover plate support mechanism was demonstrated, it is good also as a urging | biasing tool by providing a mainspring spring in the rotating shaft of a support, and the front-end | tip of a support (the tip which does not provide a roller) A weight or the like may be used to urge the head to stand upright under its own weight.

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

1, 1A: Joint device for floor, 2: Joint part,
3: one housing, 4: the other housing,
5: Joint plate support part, 6: Joint plate slide support part,
7, 7A: Joint plate receiving member, 8: Joint plate,
9: Cover plate, 10: Cover plate support mechanism,
11: Pin, 12: Bar member,
13: Joint plate body, 14: Support tool,
15: Roller, 16: Biasing tool,
17: urging tool mounting portion, 18: joint plate receiving member body,
19: Roller member mounting portion, 20: Roller member,
21: Ball bearing.

Claims (3)

A floor joint device comprising a joint plate for closing a joint portion between one and the other housing and a cover plate installed on the other housing side so as to be supported on the upper surface of the joint plate, A joint plate support provided on the housing, a joint plate slide support provided on the other housing, and a plurality of thin joint plates received at predetermined intervals on the joint plate slide support. The joint plate covers the joint plate, the joint plate supported at one end by the joint plate support member, and supported at the other end by the plurality of thin plate joint plate receiving members, and the joint plate slide support member. The cover plate is provided between the cover plate provided on the other casing so as to be positioned above the joint plate and the joint plate receiving member, and supports the cover plate. A plurality of bar members each having one end portion pivotally supported by the joint plate support portion and the other end portion supported by the plurality of joint plate receiving members. And a joint plate body fixed to the plurality of bar members, and the cover plate support mechanism is rotatably provided at a predetermined interval between the joint plate receiving members, and supports the cover plate in an upright state. And a support that can rotate when pressed against the joint plate body from the side, and a biasing tool that biases the support so as to be in an upright state. Floor joint equipment. The joint plate receiving member includes a thin plate-like joint plate receiving member main body having a roller member attaching portion formed at a predetermined interval, and a round bar-like roller member rotatably attached to the roller member attaching portion. The floor joint device according to claim 1 , comprising: The floor joint device according to claim 1 , wherein the joint plate receiving member comprises a thin plate-like joint plate receiving member main body and a plurality of ball bearings provided on the joint plate receiving member main body. .

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