JP2013159937A - Joint device for boundary line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint device for a boundary line, capable of safely performing extension and contraction for a width dimension of a joint part even at a part where a dimension to the boundary line is small.SOLUTION: A joint device 1 for a boundary line comprises: one skeleton 4 having a projection part 3 projected to the side of a boundary line 2; the other skeleton 8 including a projection part intruding recessed part 6 where the projection part 3 can intrude when a joint part 5 becomes narrow due to an earthquake and a joint plate support skeleton 7 formed to the boundary line 2; a joint plate distal end support part 10 for which the side of a counter projection part intruding recessed part 6 formed on the joint plate support skeleton 7 is formed on an inclined plane 9; a plate support 11 for which a distal end part extendably and contractably attached to the other skeleton 8 is positioned at the almost center part of the projection part intruding recessed part 6 at all times; a support plate 13 whose rear end part is attached movably upwards at an upper part of the plate support 11 and the distal end part is supported by the joint plate distal end support part 10; and a joint plate 15 whose distal end part is supported by the support plate 13 and the rear end part is attached movably upwards to the distal end part of the projection part 3 of one skeleton 4.

Description

  The present invention relates to a joint device for a boundary line installed in a place where there is not a sufficient dimension to reach the boundary line.

  If the conventional joint device is not dimensioned to support the tip of the joint plate that is more than twice the width of the joint that covers the joint between the left and right housings, There is a drawback in that the plate cannot be installed because the tip of the plate falls off at the joint or protrudes outward.

Japanese Patent No. 4099478

  An object of the present invention is to provide a joint device for a boundary line that can safely extend and contract by the width dimension of the joint portion even in a place where the dimension to the boundary line is small.

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, according to the present invention, there is provided a case having a protrusion projecting toward the boundary line side, and the protrusion of the one case installed through the one case and the joint portion by an earthquake. A protrusion intrusion recess that can enter when the joint portion narrows, and a width dimension smaller than the width dimension between the end of the protrusion of the one housing and the protrusion intrusion recess, and before the boundary line A joint plate in which the other casing formed of the formed joint plate support casing and the joint plate support recess formed on the joint plate support casing on the projection intrusion recess side of the other casing is formed on the inclined surface. The floor surface of the protrusion intrusion recess is a joint plate tip support that supports the tip, and the tip attached to the other housing so as to be extendable / contracted is always located at substantially the center of the protrusion intrusion recess. Moving plate support And a support plate having a rear end portion attached to the upper portion of the plate support body so as to be movable upward, a tip portion supported by the joint plate tip support portion, and a support supported by the joint plate tip support portion. A boundary line joint device is constituted by a joint plate that is supported by the plate at the front end portion and whose rear end portion is attached to the front end portion of the protrusion of the one housing so as to be movable upward.

As is clear from the above description, the present invention has the following effects.
(1) According to claim 1, it is possible to reliably prevent the joint plate from dropping into the joint portion even if the left and right housings are swung so that the joint portion is widened by the support plate.
(2) According to the above (1), it is possible to prevent the tip portion of the joint plate from protruding beyond the boundary line even if the left and right housings are shaken so that the joint portion becomes narrow due to the earthquake. .
(3) According to the above (1), the joint plate can absorb the shaking movement of the left and right housings where the joint part becomes narrower or wider by the dimension up to the boundary line, and the dimension to the boundary line is small. It can be installed at any location.
(4) According to the above (1), it is only necessary to form joints and protrusion intrusion recesses and install the support plate with a plate support, and the structure is simple and can be installed easily.
(5) In the second aspect, the same effects as in the above (1) to (4) can be obtained, and the joint plate can be efficiently prevented from being bent by the plate support.

The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of the plate support body of the 1st form for implementing this invention. The operation explanatory view in which the joint part of the 1st form for carrying out the present invention became narrow. Operation | movement explanatory drawing which the joint part of the 1st form for implementing this invention became narrow at the maximum. Operation | movement explanatory drawing which the joint part of the 1st form for implementing this invention became wide. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 9-9 line of FIG. Sectional drawing which follows the 10-10 line of FIG. The top view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 12-12 line of FIG. Explanatory drawing of the plate support body of the 3rd 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. 7, reference numeral 1 denotes a boundary line joint device of the present invention which can be installed in a place where there is not enough dimension up to the boundary line 2. The boundary joint device 1 has one housing 4 having a projection 3 projecting toward the boundary 2, and the projection 3 of the one housing 4 disposed via the one housing 4 and joint 5. However, the protrusion intrusion recess 6 that can enter when the joint 5 becomes narrow due to an earthquake, and the width dimension L between the end of the protrusion 3 of the one housing 4 and the protrusion intrusion recess 6. The other casing 8 is formed of the joint plate support casing 7 formed up to the boundary line 2 with a small width dimension, and the joint plate support casing 7 on the projection intrusion recess 6 side of the other casing 8 is formed. Joint plate in which the opposite protrusion 6 intrusion recess 6 side is formed on the inclined surface 9 The projection plate intrusion recess 6, in which the joint plate tip support portion 10 that supports the tip portion and the tip portion that is attached to the other housing 8 so as to be extendable and retracted are always located at substantially the center of the projection entry recess 6. A rear end portion is attached via a plate support 11 that moves on the floor surface 6a of the plate and a support plate attachment 12 that can move upward on the upper portion of the plate support 11, and the front end is the front end of the joint plate. The front end portion is supported by the support plate 13 made of a metal plate supported by the support portion 10 and the support plate 13 supported by the joint plate front end support portion 10, and the rear end portion is the protruding portion of the one housing 4. 3 and a joint plate 15 attached via a moving support mechanism 14 which can be moved upward at the tip end portion.

  The plate support 11 includes a plurality of sheath pipes 16 embedded in the joint plate support housing 7 so as to open in the protruding portion intrusion recess 6 so as to be parallel to each other, and the plurality of sheath pipes 16. Slide bar 17 attached to and retractable from each other, a bar member 18 fixed to the tip of each of the plurality of slide bars 17, and at least two or more protrusion intrusion recesses attached to the bar member 18 And a support body 20 having a roller 19 that moves on the floor surface 6a, and one end portion that prevents the tip portions of the plurality of slide rods 17 from protruding beyond the substantially central portion of the protrusion intrusion recess 6 described above. A stopper 21 such as a rope or wire attached to the wall surface 8a on the joint portion side of the other housing 8 and the other end attached to the support 20 and the slide rod 17 are always protruded. An urging spring 22 housed in the sheath tube 16 that urges to the upper side, a support cylinder 23 opened at an upper portion attached to the bar member 18 at a predetermined interval, and attached to the support cylinder 23 so as to be vertically movable. The movable plate 24 is composed of a support plate mounting tool 12 which is housed between the movable tube 24 and the support tube 23 and includes a biasing spring 25 which biases the movable tube 24 upward.

  The joint plate 15 is made of a metal plate having a rectangular shallow plate-like joint plate body 26 and a metal plate whose tip is pivoted up and down via a hinge member 27 at the tip of the joint plate body 26. A cover plate 28, a mortar or concrete 29 filled in the joint plate main body 26, and a floor decorative body 30 such as a decorative tile or brick laid on the top surface of the mortar or concrete 29 as necessary. ing.

  The moving support mechanism 14 protrudes downward on the bottom surfaces of both sides of the rear portion of the joint plate 15 and is mounted so that it can rotate, and the pair of support pins 31, 31 are loosely inserted. A pair of support pin loose insertion cylinders 33 and 33 formed in a joint plate support recess 32 formed at the tip of the projection 3 of the one housing 4 that supports the rear end of the joint plate 15. Has been.

  As shown in FIGS. 1 and 2, the boundary joint device 1 having the above configuration normally has a projection intrusion recess 6 between the projection 3 of one housing 4 and the joint plate support housing 7 of the other housing 8. Is covered with the joint plate support recess 32 and the joint plate 15 so that the upper surface is substantially flat.

  When one case 4 and the other case 8 are shaken by the earthquake and the joint portion 5 is narrowed, as shown in FIG. 5, the protrusion 3 of the one case 4 enters the protrusion intrusion recess 6, and the joint plate 15 The leading end of the casing 8 is pressed to the boundary 2 side along the inclined surface 9, and is in a state of riding on the joint plate support casing 7 of the other casing 8.

  Further, when the front end portion of the joint plate 15 rides on the joint plate support housing 7, the rear end portions supported by the movable support mechanisms 14 and 14 move upward due to the weight balance of the joint plate 15 as shown in FIG. As a result, the front end portion becomes the maximum movement position at a position not exceeding the boundary line 2.

  At this time, since the plate support 11 is pushed by the tip of the projection 3 of the one housing 4 and moves in the direction of the boundary line 2, the tip of the support plate 13 moves along the inclined surface 9, and the joint plate 15 and the joint plate support housing 7, the rear end portion is moved upward by the support plate attachment 12 and comes into contact with the bottom surface of the joint plate 15.

  Next, when one of the casings 4 and the other casing 8 sways due to the earthquake and the joint portion 5 becomes wider, as shown in FIG. 7, the protrusion 3 of the one casing 4 from the protrusion intrusion recess 6 of the other casing 8. Therefore, the tip of the joint plate 15 moves from the joint plate tip support 10 onto the support plate 13 and slides on the support plate 13 to absorb the shaking motion.

At this time, the stopper 21 can move the front end portion of the joint plate 15 to the position of the rear end portion of the support plate 13 that is prevented from moving.
If the shaking motion of the earthquake stops, it automatically returns to the original state.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 8 to 13 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. 8 to 10 is mainly different from the first embodiment for carrying out the present invention in that the protrusion intrusion recess 6 of the other housing 8 is different. On the bottom surface 6a, a protruding piece-like stopper 21A that prevents the support 20 from moving toward the one housing 4 side is provided at the intermediate portion between the tip portion of the projecting portion 3 of the one housing 4 and the wall surface 6a of the projecting portion intrusion recess 6. Even in the boundary joint device 1A configured as described above, the same effect as that of the first embodiment for carrying out the present invention can be obtained.

  The third embodiment for carrying out the present invention shown in FIGS. 11 to 13 is mainly different from the first embodiment for carrying out the present invention in that it is fixed to the tip portions of a plurality of slide rods 17. The plate support 11A constructed in this way is used in that the plate support 11A is formed by fixing the support cylinder 23 of a plurality of supports 20A provided with the support plate attachment 12 on the bar member 18 formed above. Even in the boundary line joint device 1B configured by using the same effect as that of the first embodiment for carrying out the present invention can be obtained.

  The present invention is used in an industry for manufacturing a joint device for a boundary line mainly used in a place where a sufficient dimension cannot be taken up to the boundary line.

1, 1A, 1B: Joint device for boundary line,
2: boundary line, 3: protrusion,
4: One housing, 5: Joint part,
6: protrusion intruding recess, L: dimension,
7: Joint plate support housing, 8: The other housing,
9: Inclined surface, 10: Joint plate tip support part,
11, 11A: plate support, 12: support plate fixture,
13: Support plate, 14: Moving support mechanism,
15: joint plate, 16: sheath tube,
17: Slide rod 18: Bar member
19: Roller 20, 20A: Support,
21, 21A: stopper, 22: biasing spring,
23: support cylinder, 24: movable cylinder,
25: Energizing spring, 26: Joint plate body,
27: Hinge member, 28: Cover plate,
29: mortar and concrete, 30: floor decorative body,
31: Support pin, 32: Joint plate support recess,
33: Support pin loose insertion cylinder.

Claims (2)

One housing having a projecting portion projecting to the boundary line side, and a projection installed through the one housing and joint portion, the projecting portion of the one housing can enter when the joint portion becomes narrow due to an earthquake And the joint plate supporting housing formed by the boundary line with a width dimension smaller than the width dimension between the end portion of the projecting portion of the one casing and the projecting section entering recess. And a joint plate tip support portion for supporting the tip portion of the joint plate formed on the inclined surface of the anti-projection portion intrusion recess portion formed in the joint plate support housing on the projection entry recess portion side of the other housing A plate support that moves on the floor surface of the protrusion intrusion recess, the tip end of which is attached to the other housing so as to be extendable and contracted at all times, and the plate support. On top of A rear end is attached to the support plate, the front end is supported by the joint plate front end support, and the support plate supported by the joint plate front end support is supported by the front end. A joint device for a boundary line, characterized in that the joint portion includes a joint plate that is attached to the tip of the projection of the one housing so as to be movable upward. The plate support is attached to the joint plate support housing so as to open into the protrusion intrusion recess, and is attached to the plurality of sheath pipes embedded in parallel, and to be able to protrude and retract respectively. A plurality of slide rods, a support having a roller that moves on the floor surface of the protrusion intrusion recess attached to at least two bar members fixed to the tip portions of the plurality of slide rods, and the plurality of the plurality of slide rods A stopper that prevents the front end of the slide rod from protruding beyond the central part of the protrusion intruding recess and the rear end of the support plate so that the support or the bar member can move upward at a predetermined interval. The support plate mounting tool mounted so as to be configured to include a plurality of slide rods and a biasing spring that biases the plurality of slide rods so as to always protrude. Borders for joint device according.

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