JP2018017078A - Floor joint device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor joint device easy to construct and minimizing a step difference of a joint plate surface.SOLUTION: A floor joint device 1 is constituted of: a plurality of cylindrical support arms 5 installed in one skeleton 3 of right and left skeletons provided via a joint part 2; a plurality of insertion-support arms 6 inserted at the tip part side into the cylindrical support arms 5 respectively and having rear end parts attached to the other skeleton 4 opposed to the one skeleton 3; a joint plate 7 supported by an upper surface of the cylindrical support arms 5, a cover plate 8 provided in an upper part of the insertion-support arms 6 and supported at the tip part by the joint plate 7; and a plurality of cover plate support mechanisms 10 having a plurality of support tools 9 for supporting an undersurface of the cover plate 8. The support tools 9 creep into the lower side by rotating when coming into contact with the joint plate 7, and returns to a state capable of supporting the cover plate 8 when the contact state is cancelled.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a floor joint device for closing a joint portion between left and right housings.

  Conventionally, as this kind of floor joint device, “from one tubular member whose rear end portion is attached to at least one joint portion side floor case so as to be rotatable at least in the horizontal direction, from the front end portion of this one tubular member One expansion / contraction consisting of a projecting intermediate tubular member and the other insertion member whose tip is attached at least to the horizontal joint of the other joint that protrudes and projects from the tip of the intermediate tubular member. Two sets of beams, one telescopic beam attached to both housings so as to be opposite to the one telescopic beam at a distance from the one telescopic beam and the other telescopic beam having the same configuration The above-mentioned telescopic beams, the distal end of the intermediate cylindrical member of one telescopic beam of the two or more telescopic beams, and the distal end of the intermediate tubular member of the other telescopic beam, Both ends can be mounted horizontally so that they are almost flush with each other. Auxiliary beams, one cylindrical member of the two or more sets of telescopic beams, a plurality of joint plate support beams arranged at predetermined intervals on the auxiliary beams, and joints in the center of the joint plate support beams A pivot support means for pivotally supporting the plate support beam at a substantially central portion of the auxiliary beam, a holding means for holding the plurality of joint plate support beams at a predetermined interval, and a central portion of the plurality of joint plate support beams A plurality of floor joint plates that overlap each other by a predetermined dimension, and a central floor that covers the adjacent floor joint plate that has a central portion attached to the central joint plate supporting beam. A floor joint device comprising a joint plate is known (see Patent Document 1).

  However, since such a floor joint device uses a plurality of floor joint plates, there are many steps even though it is small, and there is a drawback that it is very difficult when passing by a wheelchair or the like. .

  Moreover, since the joint plate support beam is provided on the telescopic beam, and a plurality of floor joint plates are provided on the joint plate support beam, there is a disadvantage that the height dimension becomes large.

Japanese Patent No. 5286197

  The present invention has been made in view of the above-described conventional drawbacks, and an object of the present invention is to provide a floor joint device that can be easily constructed while minimizing the level difference on the surface of the joint plate.

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 includes a plurality of cylindrical support arms attached to one of the left and right housings provided via joint portions, and the plurality of tubes. A plurality of insertion support arms each having a distal end portion inserted into a cylindrical support arm and a rear end portion attached to the other casing opposite to the one casing, and supported by the upper surfaces of the plurality of cylindrical support arms. A plurality of covers having a joint plate, a cover plate provided at an upper portion of the plurality of insertion support arms, the tip portion of which is supported by the joint plate, and a plurality of supports for supporting the lower surface of the cover plate The cover plate support mechanism is supported by a rail member provided to face the side surface of the cylindrical support arm, and slidably supported by the rail member. And a bar-like or pipe-like support fixture mounting member whose rear end is attached to the other housing, and the plurality of support tools provided on the upper surface of the support fixture, and the cover plate The support that supports the lower surface of the rotary member rotates when it contacts the joint plate, and enters the lower side of the joint plate, and returns to a state where the cover plate can be supported when the contact state is eliminated. To do.

As is clear from the above description, the present invention has the following effects.
(1) In the invention described in claim 1, since the joint portion is closed by the joint plate and the cover plate, it is possible to minimize the occurrence of a step, and the joint plate and the cover plate are Since it is supported by the cylindrical support arm and the insertion support arm, it can be easily constructed.
(2) Moreover, since the site | part which is not supported by the joint plate of a cover plate can also be supported by a cover plate support mechanism, it can prevent that a cover plate bends.
Therefore, the strength can be ensured without using a plurality of beams and joint plates, so that the occurrence of a step can be minimized and construction can be easily performed.
(3) In the invention described in claim 2, the same effects as in the above (1) and (2) can be obtained, and the tip of the cover plate is formed on the inclined surface, so that the vehicle passes by a wheelchair or the like. You can pass smoothly.
(4) In the invention described in claim 3, since the same effects as in the above (1) to (3) can be obtained and the flat plate is flush with the upper surface of the cover plate, The top surface is fully flat so that it can pass more smoothly when passing by a wheelchair.

1 to 12 are explanatory views showing a first embodiment of the present invention.
13 to 16 are explanatory views showing a second embodiment of the present invention.
The top view of the joint device for floors. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Sectional drawing in alignment with line 4-4 in FIG. Explanatory drawing of a cylindrical support arm. Explanatory drawing of an insertion support arm. Explanatory drawing of a cover plate support mechanism. Explanatory drawing of a support tool. Explanatory drawing of a flat plate. Operation | movement explanatory drawing in the state where the joint part became narrow by the earthquake. Operation | movement explanatory drawing in the state where the joint part became wide by the earthquake. The operation explanatory view in the state where the right and left frame was sunk unevenly by the earthquake. The top view of the joint device for floors of a 2nd embodiment. Sectional drawing which follows the 14-14 line | wire of FIG. Sectional drawing in alignment with line 15-15 in FIG. Explanatory drawing of a cylindrical support arm.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. The left-right direction means the left-right direction in FIG. 1 (plan view), the front-rear direction means the up-down direction in FIG. 1, and the up-down direction means the up-down direction in FIG. Moreover, a front-end | tip part means the edge part by the side of the joint center part, and a rear-end part means the edge part by the side of a housing.

  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.

  In the first embodiment for carrying out the present invention shown in FIGS. 1 to 12, reference numeral 1 denotes a floor joint device for closing the joint portion 2 between the left and right housings 3 and 4.

  As shown in FIG. 1 to FIG. 4, the floor joint device 1 has a pivotal pin 13 whose rear end is on the wall surface 3 a of one housing 3 of the left and right housings provided via the joint portion 2. A plurality of cylindrical support arms 5 attached as fulcrums so as to be rotatable in the vertical direction, and a front end side is inserted into the cylindrical support arms 5 and faces the housing 3 to which the cylindrical support arms 5 are attached. A plurality of insertion support arms 6 whose rear end portions are attached to the wall surface 4a of the other housing 4 so as to be rotatable in the vertical direction with the other pivot support pin 19 as a fulcrum, and the plurality of cylindrical support arms 5 A joint plate 7 supported on the upper surface and having the same length as the cylindrical support arm 5 in the left-right direction is provided above the plurality of insertion support arms 6 with a space in which the joint plate 7 slides. The length in the left-right direction is A cover plate 8 having substantially the same dimensions as the cover 6, a plurality of cover plate support mechanisms 10 having a support 9 that supports the lower surface of the cover plate 8, and an upper portion of the joint plate 7. The end portion is constituted by a flat plate 36 that comes into contact with the cover plate 8 in a surface contact state. The wall surface means a surface having a dimension in the height direction of the casing, and includes, for example, a surface in the height direction of the slab as well as the outer wall and the inner wall. Further, the present invention is not necessarily provided on the wall surface. For example, you may install and provide an attaching part etc. in the edge part side of a housing.

  As shown in FIG. 5, the cylindrical support arm 5 is formed so as to protrude outwardly from a support arm main body 11 having a rectangular cross section and a substantially rectangular shape in plan view, and a rear end upper portion of the support arm main body 11. A support arm attachment portion 12, a support arm attachment device 14 pivotally supported by the support arm attachment portion 12 with a pivot pin 13, and a roller 15 attached to the upper inner wall of the distal end portion of the support arm body 11. It consists of The cylindrical support arm 5 is attached to the support arm fixture 14 so as to be rotatable in the vertical direction. An angle-shaped mounting bracket 5b is fixed to the upper portions of both side surfaces 5a of the support arm main body 11 of the cylindrical support arm 5, and the joint plate 7 is fixed to the mounting bracket 5b with screws or the like.

  The support arm fixture 14 is formed, for example, in a substantially U shape in cross section or plan view. And the support arm pivot part 29 which has the through-hole by which the said pivot pin 13 is inserted in the both opposing walls is provided, and it attaches to the wall surface 3a of said one building.

  Thus, the support arm mounting portion 12 is pivotally supported by the support arm pivot 29 of the support arm fixture 14 so as to be rotatable in the vertical direction, so that the cylindrical support arm 5 is rotatable in the vertical direction. It is attached to the wall surface 3a of one building.

  For example, as shown in FIG. 6, the insertion support arm 6 has a rectangular or planar shape in a plan view and is slidably inserted into the plurality of cylindrical support arms 5. The insertion support arm main body 16 has a plate-like insertion support arm main body 16, a lower roller 17 attached to the lower end of the insertion support arm main body 16, and an upper rear end of the insertion support arm main body 16 so as to protrude outward. The insertion support arm mounting part 18 and an insertion support arm mounting tool 20 pivotally supported by the support pin 19 on the insertion support arm mounting part 18 are configured.

The insertion support arm fixture 20 is formed in, for example, a substantially U shape in cross section or plan view. And the insertion support arm pivot part 32 which has a through-hole which inserts the said pivot support pin 13 in the opposing both walls is provided, and it fixes to the wall surface 3b of said other building.
Thus, in the present embodiment, the cylindrical support arm 5 and the insertion support arm 6 have their rear ends attached to the left and right housings 3 and 4 via the pivot pins, respectively, so that they rotate in the vertical direction. It becomes movable.

  The joint plate 7 is screwed and fixed to the mounting bracket 5b on the upper surface of the plurality of cylindrical support arms 5, and has a rectangular shape in plan view and a length in the left-right direction is the cylindrical support arm. 5 and approximately the same dimensions. The joint plate 7 is formed of a thin metal plate.

  In this embodiment, the joint plate 7 is screwed to the mounting bracket 5b of the plurality of cylindrical support arms 5. However, the mounting bracket 5b is not provided and the joint plate 7 is formed on the upper surface of the cylindrical support arm 5. It may be fixed by welding.

  The cover plate 8 is provided on the upper surface of the plurality of insertion support arms 6 via a spacer 21 for separating a space in which the joint plate 7 slides. The cover plate 8 has a rectangular shape in plan view and a length in the left-right direction. The insertion support arm 6 has substantially the same dimensions. The cover plate 8 is also formed of a thin metal plate, and its tip is formed on the inclined surface 22 so that traveling of a wheelchair or the like is easy.

  The flat plate 36 is provided on the upper surface of the joint plate, and a leading inclined surface 37 is formed at the tip of the flat plate 36 so as to come into contact with the inclined surface 22 formed at the tip of the cover plate 8 in a surface contact state. In the normal state, it is always in contact with the inclined surface 22 in a surface contact state.

  An attachment end portion (an end portion on the housing side) of the flat plate 36 is attached to the joint plate 7 by an attachment pin 38 so as to be movable in the vertical direction. A coil spring 39 is provided between the lower end portion of the mounting pin 38 and the bottom surface of the joint plate 8, and the flat plate 36 is urged downward by the coil spring 39.

  As shown in FIG. 7, the cover plate support mechanism 10 is engaged with a pair of rail members 23 provided on opposite side surfaces 5 a of adjacent cylindrical support arms 5 and slidably movable on the rail members 23. In this embodiment, the rear end is attached to the wall surface 4a of the other housing 4 so as to be pivotable in the vertical direction by a pivot pin 40. A plurality of supports 9 provided on the upper surface of the support attachment member 24 are configured. In addition, you may attach the support tool attachment member 24 to a housing | casing with a hinge member at the rear-end part.

  The rail member 23 is a crank-shaped metal plate as shown in FIGS. 4, 7, etc., and is fixedly provided on the side surface 5 a of the cylindrical support arm 5.

  The support fixture mounting member 24 is formed with rail engaging portions 24a that engage with the rail member 23 on the left and right side surfaces in the vicinity of the protruding end portion.

  In this embodiment, the rail engaging portion 24a has a roller shape. The roller 24a rolls on the rail member 23, and the protruding end portion side of the support fixture mounting member 24 has the rail member. 23. A pivot pin insertion hole 24b into which the pivot pin 40 is inserted is formed at the rear end. The pivot pin insertion hole 24b is formed so as to be coaxial with the pivot pin 19 of the insertion support arm 6.

  As shown in FIG. 8, the support 9 is provided on the upper surface of the support attachment member 24 at a plurality of support fittings 25 that can be rotated at predetermined intervals, and at the upper ends of the plurality of support fittings 25. The roller 26 and the urging tools 27 for urging each of the plurality of support fittings 25 so as to be in an upright state. The plurality of support fittings 25 are formed in a substantially L shape so that they can support the cover plate 9 in an upright state and can rotate when pressed from the side by the joint plate 7. ing.

  An urging tool mounting portion 28 for attaching the urging tool 27 is formed near the roller 26 of the support fitting 25, and one end of the urging tool 27 (coil spring in the present embodiment) It is fixed to the support tool mounting member 24 and the other end is fixed to the biasing tool mounting part 28.

In addition, the support bracket 25 supports the bottom surface of the cover plate 8 by the roller 26 in an upright state, and the left and right housings 3 and 4 swing in a direction in which the joint portion 2 becomes narrow due to an earthquake, and the joint plate 7 Presses the roller 26 and tilts in the direction in which the support fitting 25 is pressed, the roller 26 comes into contact with the bottom surface of the joint plate 7, so that a large frictional force is generated between the bottom surface of the joint plate 7. It can slide smoothly without generating.
When the casings 3 and 4 are swayed in the horizontal direction due to the earthquake and the joint portion 2 becomes narrow, the insertion support arm 6 slides toward the attachment base end side of the cylindrical support arm 5 as shown in FIG. In FIG. 8, the support attachment member 24 slides along the rail member 23 toward the attachment base end side of the cylindrical support arm 5. At this time, the support 9 is pressed against the end of the joint plate 7, rotates in the direction in which the support fitting 25 is pressed, and sinks under the joint plate 7 to absorb the shaking motion. At this time, even if the support member 9 of the cover plate support mechanism 10 is inclined and the cover plate 8 cannot be directly supported by the support member 9, the joint plate 7 is located at that portion, so the joint plate 7 supports the cover plate 8. As a result, the cover plate 8 can be prevented from being bent. Further, the support 9 of the cover plate support mechanism 10 supports the cover plate 8 in a portion where the joint plate is not located as in the normal case.
Further, the flat inclined surface 37 of the flat plate 36 is pushed upward by the inclined surface 22 of the cover plate 8 so as to ride on the upper portion of the cover plate 8.

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 9 of the cover plate support mechanism 10 that is pressed and tilted by the joint plate 7 is The cover plate 8 is supported by the urging force in an upright state.
Further, the flat plate 36 returns to the normal position, and the upper surface of the flat plate 36 and the upper surface of the cover plate 8 are in a substantially flat state.

  When the housings 3 and 4 are swung in the horizontal direction due to the earthquake and the joint portion 2 is widened, the insertion support arm 6 slides to the opposite side (front end side) of the attachment base end of the cylindrical support arm 5 as shown in FIG. As the cover plate 8 moves, the support attachment member 24 also slides along the rail member 23 toward the distal end side of the cylindrical support arm 5. At this time, the support member 9 released from the pressed state by the joint plate 7 becomes upright by the urging force of the urging member 27 to support the cover plate 8 and prevents the cover plate 8 from being bent. it can.

  When the casings 3 and 4 sink unevenly due to an earthquake, the cylindrical support arm 5 pivots up and down about the pivot pin 13 as shown in FIG. The member 24 also rotates in the vertical direction with the pivot pin 19 as a fulcrum, and absorbs the height difference between the left and right housings 3 and 4.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 13 to 16 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 practicing the present invention shown in FIGS. 13 to 16 is mainly different from the first embodiment for practicing the present invention in that the support arm bodies 11A and 11B having an angle in cross section are shown. Are joined to each other by welding or the like to form a cylindrical support arm 5A, and the size of the portion located on the upper surface of the support arm main body 11A is larger than the size of the portion located on the bottom surface of the support arm main body 11B. By connecting these plate members to a longer length, a joint plate mounting portion 35 for mounting the joint plate 7 with screws or the like is formed outside the portion where the insertion support arm 6 slides. Even in the floor joint device 1A using the support arm 5A, the same effect as that of the first embodiment for carrying out the present invention can be obtained, and the cylindrical support arm 5 can be formed at low cost. It is possible. Further, since the joint plate attaching portion 35 for attaching the joint plate 7 is provided, even if a screw or the like for attaching the joint plate 7 protrudes downward, the sliding movement of the insertion support arm 6 can be prevented.

  In the embodiment of the present invention, the mode in which the joint plate or the cover plate is attached to the upper surface of the support arm or the insertion support arm has been described. However, the rear end portion of the joint plate is attached to one housing and the front end portion is supported by the support arm. Alternatively, the cover plate may be attached to the other casing, and the tip portion may be supported by the joint plate.

  Furthermore, although the roller attached to the upper inner wall of the front end portion of the support arm main body and the lower roller attached to the lower end of the front end of the insertion support arm main body use a flat type roller, for example, a V-groove type roller is used. Also good. In this case, the upper surface of the insertion support arm main body may be convex so as to engage with the V-groove roller, and a convex guide rail that engages with the V-groove lower roller may be used at the position where the lower roller moves. .

  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, 5A: cylindrical support arm, 6: insertion support arm,
7: Joint plate, 8: Cover plate,
9: Support tool, 10: Cover plate support mechanism,
11, 11A, 11B: support arm body,
12: Support arm attachment part,
13: pivot pin, 14: support arm attachment,
15: Roller, 16: Insertion support arm body,
17: Lower roller, 18: Insertion support arm attachment part,
19: pivot pin, 20: insertion support arm attachment,
21: Spacer, 22: Inclined surface,
23: Rail member, 24: Support attachment member,
25: support bracket, 26: roller,
27: biasing tool, 28: biasing tool mounting portion,
29: Support arm pivot part, 30: Engagement part,
31: mounting bracket, 32: insertion support arm pivot,
33: engaging portion, 34: mounting bracket,
35: Joint plate mounting part, 36: Flat plate,
37: Riding slope, 38: Mounting pin,
39: Coil spring, 40: Pivot pin.

Claims (3)

A plurality of cylindrical support arms attached to one of the left and right casings provided via the joints, and a tip end side is inserted into each of the plurality of cylindrical support arms, and faces one of the casings. A plurality of insertion support arms having rear ends attached to the other housing, joint plates supported on the top surfaces of the plurality of cylindrical support arms, and provided on top of the plurality of insertion support arms; The front end portion is composed of a cover plate supported by the joint plate, and a plurality of cover plate support mechanisms having a plurality of supports that support the lower surface of the cover plate. A rail member provided so as to face the side surface of the support arm, and is supported by the rail member so as to be slidable, and a rear end portion is attached to the other casing. A support member that is formed of a ring-shaped or pipe-shaped support member and the plurality of support members provided on the upper surface of the support member, and the support member that supports the lower surface of the cover plate is the joint plate The floor joint device rotates when it comes into contact with the base plate and sinks into the lower side of the joint plate, and returns to a state in which the cover plate can be supported when the contact state is eliminated. The joint device for a floor according to claim 1, wherein an end surface of the cover plate on the joint portion side is provided with an inclined surface. A flat plate is further provided on the joint plate, and the end of the joint portion is in contact with the inclined surface of the cover plate in a surface contact state. The flat plate normally has an upper surface of the cover plate. The floor joint device according to claim 2, wherein when the joint portion becomes substantially flush with the upper surface and the joint portion becomes narrow due to an earthquake, it can ride on the upper portion of the cover plate and absorb the shaking motion caused by the earthquake.

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