JP3688510B2 - Ceiling joint cover device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ceiling joint cover device that covers joint parts of ceiling parts such as left and right seismic isolation buildings built via joint parts.
[0002]
[Prior art]
A conventional ceiling joint cover device uses a structure in which a joint cover that covers a joint part of the ceiling is slid and moved in the front-rear and left-right directions.
[0003]
[Problems to be solved by the invention]
Even if you try to use a conventional ceiling joint cover device for a building that generates large shaking such as a base-isolated building, the slide movement amount cannot be set large, and the structure to move and extend in the front-rear and left-right directions is complicated. There were drawbacks.
[0004]
In view of the above-described conventional drawbacks, the present invention can smoothly absorb large swaying movements in the front and rear, left and right directions of left and right buildings without damage even when used in buildings where large swaying movements such as seismic isolation buildings occur. Another object of the present invention is to provide a ceiling joint cover device that has a simple structure and can be easily installed.
[0005]
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.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a joint cover provided at a joint part side end of a ceiling material, which is attached to a casing of a ceiling part of one of the left and right buildings built via the joint part. The push-up part and the joint of the other building of the left and right buildings opposite to the joint cover push-up part are always supported so as to cover the joint part, and upward when the joint part becomes narrow due to an earthquake or the like A movable joint cover, a joint cover holder that keeps the joint cover covered when the joint becomes wider due to an earthquake, and the like, and projects upward on the upper surface near the center of the joint cover. The channel-shaped receptacle fixed so as to, and the joint portion that is fixed so that the joint cover enters between the ceiling material and the frame of the one building, the joint portion becomes narrow due to an earthquake or the like Receiving Enters the ingredients, constitute a ceiling joint cover device with a push-up lever which moves push the joint cover upward.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
[0008]
In the first embodiment of the present invention shown in FIG. 1 to FIG. 6, 1 is a ceiling joint cover according to the present invention, which covers the joints of the ceiling portions of the left and right buildings 3, 3 built via the joint part 2. The ceiling joint cover device 1 is arranged on the joint portion side end of the ceiling member 4 attached to the housing 3a of the ceiling portion of one of the left and right buildings 3 and 3, and the lower side is outward. A joint cover push-up member 5 formed with an inclined surface 5a as a joint cover push-up portion that protrudes toward the joint cover, and an outer wall surface of the other building 3 of the left and right buildings 3 and 3 at a portion facing the joint cover push-up member 5 A support rail 7 fixed to the housing 3b by a plurality of screws 6 is always supported so as to cover the joint portion 2, and when the joint portion 2 becomes narrow due to an earthquake or the like, a tip portion that can move upward is provided. Tilt of the joint cover push-up member 5 A joint cover 8 formed on an inclined surface 8a that can come into surface contact with the surface 5a, and the joint cover 8 that keeps the joint cover 2 covering the joint part 2 when the joint part 2 becomes wide due to an earthquake or the like A plurality of support rods 9 fixed so as to protrude upward at a portion near the end, and the other building 3 so that the plurality of support rods 9 can be vertically moved and prevented from falling forward. A joint cover holder 12 comprising a holding cover 11 fixed to the housing 3b of the outer wall surface of the outer wall surface by a plurality of screws 10 and a predetermined interval so as to protrude upward on the upper surface of the joint cover 8 near the center. A channel-shaped receiving member 13, 13 having a fixed opening width in the front-rear direction, and a tip portion fixed so that the joint cover 8 enters between the ceiling material 4 and the housing 3a of the one building 3 are provided. Eyes by earthquake etc. Enters into the receptacle 13 when the part 2 is narrower, distal portion for moving is constituted by the push-up rods 14, 14 of the inclined surface 14a pushes up the joint cover 8 upwardly.
[0009]
When the ceiling joint cover device 1 configured as described above is swung so that the joint portions 2 of the left and right buildings 3 and 3 are widened due to an earthquake or the like, the joint cover 8 is a joint cover holder 12 as shown in FIG. Therefore, in order to keep the joint 2 covered during normal operation, the ceiling material 4 on the joint 2 side of one building 3 moves in the direction of separation, and absorbs the shaking movement.
[0010]
Further, when the joint 2 of the left and right buildings 3 and 3 is swung so as to become narrow, the tip 8a of the joint cover 8 slides on the inclined surface 5a of the joint cover push-up member 5 as shown in FIG. As a result, the tip ends of the push-up collars 14 and 14 enter the receivers 13 and 13 to push the joint cover 8 upward and absorb the shaking movement.
[0011]
Further, when the left and right buildings 3 and 3 are swung in different longitudinal directions and the joint portion 2 is narrowed, the tip of the joint cover 8 is an inclined surface of the joint cover push-up member 5 as shown in FIG. 5a is slid upward while moving in the front-rear direction and pushed upward, and the tips of the push-up rods 14 and 14 enter into the receivers 13 and 13 to push the joint cover 8 upward and absorb the shaking movement. To do.
[0012]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 7 to 20 will be described. In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and redundant description is omitted.
[0013]
In the second embodiment of the present invention shown in FIGS. 7 to 12, the main difference from the first embodiment of the present invention is that it protrudes upward at a site near the rear end of the joint cover 8. A plurality of shaft-like support rods 9A fixed in this manner, and a bearing member 15 fixed to a housing 3b on the outer wall surface of the other building 3 that supports the upper portions of the plurality of support rods 9A so as to be vertically movable, 15, the joint cover holding tool 12 </ b> A, and a tip portion fixed so that the joint cover 8 enters between the ceiling material 4 and the housing 3 a of one building 3 protrudes outward from the joint cover push-up member 5. The lifting rod holder 16 that is not to be moved, and can be slid into the lifting rod holder 16, and the tip portion protrudes outward and the joint portion 2 becomes narrow due to an earthquake or the like, so that it enters the receiving member 13 and becomes a joint. Cover 8 The tip part to be moved upward is energized so that the tip part of the push-up scissor body 17 on the inclined surface 17a and the tip part of this push-up scissor body 17 always protrude outward, and when the joint part 2 becomes narrow, the outside of the other building 3 The push-up mechanism 19 including the urging spring 18 housed in the push-up rod holder 16 so as to come into contact with the wall case 3b and enter the push-up rod holder 16 is used in this way. By using the ceiling joint cover device 1 </ b> A, it is possible to absorb the different horizontal movements of the left and right buildings 3, 3 by substantially the same dimensions as the joint part 2.
[0014]
The third embodiment of the present invention shown in FIGS. 13 to 18 is mainly different from the second embodiment of the present invention from the joint cover 8 of the housing 3b on the outer wall surface of the other building 3. Also, a pair of support arms 20 and 20 fixed to the upper position, and both ends guided by the guide rollers 21 and 21 below the tip ends of the pair of support arms 20 and 20 are attached to the joint cover 8. A push-up scissor main body in which a joint cover holder 12B comprising a holding bar 23 with springs 22 and 22 interposed therein, and an engaging part 24 engaging with the holding bar 23 of the joint cover holder 12B are formed at the tip. The same effect as that of the second embodiment of the present invention can be obtained even in the ceiling joint cover device 1B configured in this way in that the push-up mechanism 19A using 17A is used.
[0015]
In the fourth embodiment of the present invention shown in FIGS. 19 and 20, the main difference from the third embodiment of the present invention is that the end of the ceiling material 4 of one building 3 on the joint portion side. Since the joint cover push-up portion formed on the inclined surface 5A is used as the ceiling joint cover device 1C thus configured, the same operational effects as those of the third embodiment of the present invention can be obtained.
[0016]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
[0017]
(1) The joint cover push-up part provided at the joint part side end of the ceiling material attached to the frame of the ceiling part of one of the left and right buildings built via the joint part, and the joint cover push-up A joint cover that is supported so as to always cover the joint part of the other building of the left and right buildings of the part opposite to the part, and is movable upward when the joint part becomes narrow due to an earthquake or the like, The joint cover holder that keeps the joint portion of the joint cover covered when the joint portion becomes wide, etc., and a channel shape fixed so as to protrude upward on the upper surface near the center portion of the joint cover. And the joint fixed between the ceiling material and the frame of the one building so that the joint cover is inserted into the joint when the joint becomes narrow due to an earthquake or the like. Mosquito -In the case of a swinging movement that widens the joint, the joint cover moves as it is and the ceiling material of one building moves away, In addition to absorbing the swaying motion, in the case of a swaying motion in which the joint portion becomes narrower, the push-up rod enters the receiver and pushes up the joint cover to absorb the swaying motion.
Therefore, even if the left and right buildings are shaken in different left and right directions due to an earthquake or the like, the shaking movement can be absorbed without being damaged.
[0018]
(2) According to (1), when the right and left buildings swing differently in the front-rear direction and the joint portion becomes narrower, the catcher is formed in a channel shape. The joint cover can be pushed upward and the shaking motion can be absorbed.
Therefore, even if the left and right buildings are swung in different front and rear directions due to an earthquake or the like and the joint portion is swung so as to be narrowed, the wobbling motion can be absorbed without being damaged.
[0019]
(3) According to the above (1), the structure using the joint cover supporter, the receiver, and the lifting rod can absorb the swinging motions of the left and right buildings in different directions, and the structure is simple and can be installed easily. .
[0020]
(4) In the second and third aspects, the same effects as in the above (1) to (3) can be obtained, and a large swaying motion corresponding to the size of the joint portion can be absorbed.
Therefore, it can be optimally used for a building that must absorb a large shaking movement such as a base-isolated building.
[Brief description of the drawings]
FIG. 1 is a plan view of an installation state of a first embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line 2-2 in FIG.
3 is a cross-sectional view taken along line 3-3 in FIG.
FIG. 4 is an explanatory diagram of an operation state in which a joint portion is widened.
FIG. 5 is an explanatory diagram of an operation state in which a joint portion is narrowed.
FIG. 6 is an explanatory diagram of an operation state in which the joint portion becomes narrow in different front and rear directions.
FIG. 7 is a plan view of the installation state of the second embodiment of the present invention.
8 is an enlarged cross-sectional view taken along line 8-8 in FIG.
9 is a cross-sectional view taken along line 9-9 in FIG.
FIG. 10 is an explanatory diagram of a push-up mechanism according to a second embodiment of this invention.
FIG. 11 is an explanatory diagram of an operation state in which the joint portion is narrowed.
FIG. 12 is an explanatory diagram of an operation state in which the joint portion is very narrow.
FIG. 13 is a plan view of the installation state of the third embodiment of the present invention.
14 is an enlarged cross-sectional view taken along line 14-14 of FIG.
15 is a cross-sectional view taken along the line 15-15 in FIG.
FIG. 16 is an explanatory diagram of a joint cover holder according to a third embodiment of the present invention.
FIG. 17 is an explanatory diagram of a push-up mechanism according to a third embodiment of the present invention.
FIG. 18 is an operation explanatory diagram in a state where the joint portion is narrowed.
FIG. 19 is a plan view of an installation state of the fourth embodiment of the present invention.
20 is an enlarged sectional view taken along the line 20-20 in FIG.
[Explanation of symbols]
1, 1A, 1B, 1C: ceiling joint cover device,
2: joints, 3: buildings,
4: Ceiling material, 5: Joint cover push-up member,
5a: an inclined surface as a joint cover push-up part,
6: Screw, 7: Support rail,
8: joint cover 9, 9A: support rod,
10: Screw, 11: Support cover,
12, 12A, 12B: Joint cover holder,
13: Receiving tool, 14: Push-up hook,
15: Bearing member, 16: Pushing rod holder,
17, 17A: Push-up rod body,
18: urging spring 19, 19A: push-up mechanism,
20: Support arm, 21: Guide roller,
22: Energizing spring, 23: Holding rod,
24: engagement portion.

Claims (3)

The joint cover push-up part provided at the joint part side end of the ceiling material, which is attached to the ceiling part of one of the left and right buildings built via the joint part, and this joint cover push-up part is opposed A joint cover that is supported so as to cover the joint part at all times, and that can be moved upward when the joint part becomes narrow due to an earthquake, etc. A joint cover retainer that keeps the joint portion of the joint cover covered when the portion becomes wider, and a channel-shaped receiver fixed so as to protrude upward on the upper surface of the joint cover near the center. And the tip part fixed so that the joint cover enters between the ceiling material and the frame of the one building enters the receiver when the joint part becomes narrow due to an earthquake or the like, and the joint cover is Ceiling joint cover apparatus characterized by comprising a push rod for moving the push-up towards. The joint cover push-up part provided at the joint part side end of the ceiling material, which is attached to the ceiling part of one of the left and right buildings built via the joint part, and this joint cover push-up part is opposed A joint cover that is supported so as to cover the joint part at all times, and that can be moved upward when the joint part becomes narrow due to an earthquake, etc. A joint cover retainer that keeps the joint portion of the joint cover covered when the portion becomes wider, and a channel-shaped receiver fixed so as to protrude upward on the upper surface of the joint cover near the center. And a lifting tack holder that is a portion where the tip fixed so that the joint cover enters between the ceiling material and the casing of the one building does not protrude outward than the joint cover lifting section, The push-up rod main body is slidable in the push-up rod holder, and normally enters the receptacle when the tip portion protrudes outward and the joint portion becomes narrow due to an earthquake or the like, and the joint cover is pushed upward. The pushing rod is always urged so as to protrude outward, and when the joint portion becomes narrow, the pushing rod is brought into contact with the other building's housing so as to enter the pushing rod holder. A ceiling joint cover device comprising a push-up mechanism comprising an urging spring housed in the body. The joint cover push-up part provided at the joint part side end of the ceiling material, which is attached to the ceiling part of one of the left and right buildings built via the joint part, and this joint cover push-up part is opposed A joint cover that is supported so as to cover the joint part at all times, and that can be moved upward when the joint part becomes narrow due to an earthquake, etc. A pair of support arms fixed at a position higher than the joint cover of the housing of the other building that keeps the joint cover of the joint cover when the section becomes wider, and the distal ends of the pair of support arms A joint cover holder comprising a holding rod with both ends guided downwardly attached to the joint cover and provided with biasing springs, and the joint between the ceiling material and the casing of the one building Mosquito -Push-up rod holder where the tip fixed so that it can enter does not protrude outward from the joint cover push-up part, and can be slid into the push-up stick holder, and the tip part always projects outward. When the joint becomes narrow due to an earthquake or the like, it is engaged with the holding hook of the joint cover holder and pushes up the joint cover upward, and the tip of the push-up hook always protrudes outward. And a biasing mechanism comprising a biasing spring housed in the lifting rod holder so that when the joint portion narrows, the force applied to the holding rod enters the lifting rod holder. A ceiling joint cover device characterized by comprising:

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