JP5278972B2 - Ceiling joint device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint apparatus for a ceiling, which enables a pair of ceiling joint covers to be smoothly turned because width dimensions thereof can be set small even when a width dimension of a joint section is large, and which does not greatly protrude to an indoor side. <P>SOLUTION: A joint apparatus 1 for a ceiling includes: an expandable/contractible central maintenance device 7 which has both ends attached in upper positions of ceiling members 4 of right and left buildings 3 and which has a central pivoting portion 6 formed in a central portion; a central ceiling joint cover 11 which is fixed to a lower end of a suspended rod 8 attached to the central pivoting portion 6 of the central maintenance device 7; right and left ceiling joint covers 14 which are brought into surface contact with a leading end of the central ceiling joint cover 11 and which have back ends attached via a hinge member 13 so that leading ends can be turned downward; and mechanisms 15 for urging the right and left ceiling joint covers, which enable the leading ends of the right and left ceiling joint covers 14 to be held without being turned upward from a horizontal state and which enable the leading ends to be turned downward when the joint section 2 is narrowed by an earthquake. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

  The present invention relates to a ceiling joint device for covering joints of ceiling parts of left and right buildings such as seismic isolation buildings provided via joints having a large width.

  Conventionally, this type of ceiling joint device has a pair of ceiling joint covers arranged on the wall surfaces on the joint portions side of the left and right buildings via hinge members, and the pair of ceiling joint covers are always kept in a horizontal state. Ceiling joints that allow the free end portions of the pair of ceiling joint covers to rotate upward when the portion becomes narrower, or that the free end portions of the pair of ceiling joint covers protrude indoors to simplify the structure. A cover support mechanism was used.

  However, when the width of the joint is large as in a seismic isolation building, the pair of ceiling joint covers becomes large, and the pair of ceiling joint covers cannot be smoothly rotated by the link. In the case of using the ceiling joint cover supporting mechanism that protrudes to the side, there is a disadvantage that the ceiling joint cover may collide with a person's head or the like during an earthquake in which the joint portion becomes narrow.

JP 2004-332258 A

  In view of the above-mentioned conventional drawbacks, the present invention can set the width dimension of the pair of ceiling joint covers to be small even if the joint part has a large width dimension, and can be smoothly rotated, and can be greatly moved indoors. An object of the present invention is to provide a ceiling joint device that does not protrude, has a simple structure, and is easy to install.

  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 is a telescopic and central portion having both ends attached to the left and right wall surfaces on the joint portion side of the upper position of the ceiling member of the left and right buildings provided through the joint portion. And at least two central maintenance devices having central pivots formed thereon, and left and right upper surfaces fixed to the lower ends of the suspension rods attached to the central pivots of the at least two central maintenance devices. A central ceiling joint cover that covers the joint part of the central part formed on the inclined surface that protrudes to the left-right side and that is substantially flush with the ceiling member, and an inclined surface formed on the inclined surface of the central ceiling joint cover. Left and right ceiling joint covers attached so that the front end portion is in surface contact and the rear end portion is pivotable downward on the wall surface on the joint portion side of the left and right buildings via left and right hinge members; The tip of the left and right ceiling joint covers The ceiling joint device is composed of left and right ceiling joint cover urging mechanisms that can be held without turning upward from the state and that can turn the tip downward when the joint becomes narrow due to an earthquake. .

As is clear from the above description, the present invention has the following effects.
(1) According to claim 1, since the ceiling joint portion is covered with the central ceiling joint cover and the left and right ceiling joint covers, the left and right ceiling joint covers having a small width dimension are used even in the ceiling joint portion having a large width dimension. be able to.
Therefore, it can be smoothly rotated, and even if it protrudes into the room, it can be used safely with only a small amount of protrusion.
(2) By said (1), a thing with a lightweight structure can be used for a center ceiling joint cover and a right-and-left ceiling joint cover, handling is easy and it can install easily.
(3) According to the above (1), since it is sufficient if there is an installation space for the central maintenance device and the left and right joint cover urging mechanisms above the ceiling member, the ceiling member can be installed even in a small installation space.
(4) In claim 2, the same effects as in the above (1) to (3) can be obtained, and when the joint portion becomes narrow due to an earthquake, the amount protruding to the indoor side can be regulated with certainty.
(5) In claim 3, the same effects as in (1) to (3) can be obtained, and the left and right ceiling joint covers can be held in a substantially horizontal state with a small force by a pair of arms. .

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 center maintenance apparatus of the 1st form for carrying out the present invention. Explanatory drawing of the center ceiling joint cover of the 1st form for implementing this invention. Explanatory drawing of the left-right ceiling joint cover of the 1st form for implementing this invention. Explanatory drawing of the right and left ceiling joint cover urging | biasing mechanism of the 1st form for implementing this invention. Operation | movement explanatory drawing in which the joint part became narrow by the earthquake of the 1st form for implementing this invention. Operation | movement explanatory drawing in which the joint part became wide by the earthquake of the 1st form for implementing this invention. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Explanatory drawing of the right and left ceiling joint cover urging | biasing mechanism of the 2nd form for implementing this invention. The top view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 14-14 line | wire of FIG. Explanatory drawing of the center maintenance apparatus of the 3rd form for carrying out the present invention. The top view of the 4th form for carrying out the present invention. FIG. 17 is a sectional view taken along line 17-17 in FIG. 16; Explanatory drawing of the center maintenance apparatus of the 4th form for carrying out the present 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 FIGS. 1 to 9, reference numeral 1 denotes between the ceiling members 4, 4 of the left and right buildings 3, 3 provided via the width L of the large joint 2. The ceiling joint device 1 of the present invention that covers the ceiling joint portion 2 is a telescopic device in which both ends are attached to the left and right wall surfaces 5 and 5 on the joint portion side of the upper position of the ceiling members 4 and 4. At least two or more central maintenance devices 7, 7 which are possible and have a central pivot 6 formed in the central part, and are attached to the central pivots 6, 6 of the at least two central maintenance devices 7, 7. The ceiling members 4, 4, which cover the center ceiling joint 2 formed on the inclined surfaces 9, 10 whose left and right upper surfaces fixed to the lower ends of the hanging hooks 8, 8 project to the left and right sides; It is almost the same plane and is within one third or one fourth of the width dimension of the joint. The tip joints formed on the inclined surfaces 12 and 12 are in surface contact with the ceiling joint cover 11 and the inclined surfaces 9 and 10 of the central ceiling joint cover 11, and the rear ends are joint portions of the left and right buildings 3 and 3. Left and right ceiling joint covers 14, 14 attached to the side wall surfaces 5, 5 via the left and right hinge members 13, 13 so as to be pivotable downward, and the left and right ceiling joint covers 14, 14. The left and right ceiling joint cover urging mechanism 15 that can hold the tip portion without turning upward from the horizontal state and can turn the tip portion downward when the joint portion 2 is swung so as to become narrow due to an earthquake. , 15.

  As shown in FIG. 4, the central maintaining devices 7, 7 are provided on a link body 16 having a rectangular frame shape and a wall surface 5 pivotally supported by pivot pins 17, 17 on one opposing pivotal portion of the link body 16. A pair of mounting brackets 19 and 19 attached by a plurality of tapping screws 18, and the link members 16a and 16a of the link body 16 which are opposed to each other are pivotally supported by pivot pins 20 and 20 at a substantially central portion, and at the central portion. It is comprised with the central link 21 in which the central pivot 6 was formed.

  The hanging rods 8 and 8 are bolt-shaped hanging rod main bodies 22 inserted into the central pivots 6 and 6 of the central links 21 and 21 of the central maintaining devices 7 and 7, and the hanging rod main body 22 is A locking piece 23 that prevents playing at the central link 21 and a nut 24 that is screwed into the lower end of the hanging rod main body 22 to attach the central ceiling joint cover 11 are formed.

  As shown in FIG. 5, the central ceiling joint cover 11 is fixed to an inverted isosceles trapezoidal central ceiling joint cover body 25 having inclined surfaces 9 and 10 on both sides, and a central upper surface of the central ceiling joint cover body 25. Further, it is composed of hat-shaped steel fittings 27 and 27 having an insertion hole 26 into which the hanging rod 8 is inserted.

  As shown in FIG. 6, the left and right ceiling joint covers 14 and 14 are pivoted at the rear upper part of the left and right ceiling joint cover bodies 28 and 28 formed in a trapezoidal shape. The hinge members 13 and 13 fixed to the wall surfaces 5 and 5 on the joint portion side attached to the left and right ceiling joint cover main bodies 28 and 28 with a tapping screw 29 or the like, and the left and right as necessary. When the joints attached to the upper surfaces of the ceiling joint cover bodies 28 and 28 become narrow, the tip parts of the left and right ceiling joint cover bodies 28 and 28 come into contact with the inclined surfaces 9 and 10 of the central ceiling joint cover 11. With guide members 38 and 38 having a shape that can be guided downward along the inclined surfaces 9 and 10 such as an arc shape or a polygonal shape that guides downward and prevents the left and right ceiling joint covers 14 and 14 from being damaged. Structure It is.

  As shown in FIG. 7, the left and right ceiling joint cover urging mechanisms 15 and 15 are at least a pair formed so as to protrude upward at the rear ends of the left and right ceiling joint covers 14 and 14, respectively. In the embodiment, one end is fixed to the two pairs of arms 30, 30, 30, 30 and the distal ends of the two pairs of arms 30, 30, 30, 30, and the other end is the wall surface 5, 5 on the joint portion side. Wires 33, 33, 33, 33 having springs 32, 32, 32, 32 fixed to the wall surfaces 5, 5 through the guide members 31, 31, 31, 31 fixed to The wall surface 5 on the joint portion side so as to come into contact with the two pairs of arms 30, 30, 30, 30 so that the left and right ceiling joint covers 14, 14 can be prevented from rotating upward from the horizontal state. Stopper pieces 34, 34 fixed to It is composed of a 4 and 34.

  In the ceiling joint device 1 having the above-described configuration, the ceiling joint portion 2 is normally covered with the left and right ceiling joint covers 14 and 14 and the central joint cover 11 which are substantially flush with the ceiling members 4 and 4 as shown in FIG. It is in a state.

  When the left and right buildings 3 and 3 are shaken so that the joint 2 is narrowed by the earthquake, the left and right buildings 3 and 3 are approached to the joint 2 as shown in FIG. 8, and the joint 2 is narrowed. Although the central maintenance devices 7 and 7 have a larger distance in the front-rear direction than the left and right distances, the central pivot support portions 6 and 6 are located in the central portion of the joint portion 2, so that the central ceiling joint cover 11 The left and right ceiling joint covers 14, 14 resist the urging force of the left and right ceiling joint cover urging mechanisms 15, 15 and are disposed on the inclined surfaces 9, 10 at both ends of the central ceiling joint cover 11. Along with this, the tip part rotates downward to absorb the shaking motion. When the shaking stops, it automatically returns to the original state.

  When the left and right buildings 3 and 3 are swung so that the joint portion 2 is widened by the earthquake, the left and right buildings 3 and 3 are separated as shown in FIG. 9, the joint portion 2 is widened, and the central maintenance devices 7 and 7 are Although the space in the front-rear direction is smaller than the space between the left and right, the central pivot joints 6 and 6 are located at the center of the joint 2, so the center ceiling joint cover 11 is located at the center of the ceiling joint 2, The left and right ceiling joint covers 14 and 14 are separated from the central ceiling joint cover 11 in a horizontal state to absorb the shaking motion. When the shaking 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. 10 to 18 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. 10 to 12 is mainly different from the first embodiment for carrying out the present invention in that the wire 33 is always wound by the winding device 35. The ceiling joint device 1A configured using such left and right ceiling joint cover urging mechanisms 15A and 15A in terms of using the left and right ceiling joint cover urging mechanisms 15A and 15A, The same effect as the first embodiment for carrying out the present invention can be obtained.

  The third embodiment for carrying out the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment for carrying out the present invention in that pantograph-shaped central maintenance devices 7A and 7A are used. At the same time, bolt insertion holes 36 and 36 capable of accommodating the bolt heads 8 a are formed in the central portion of the central ceiling joint cover 11, and the bolt-shaped suspension rod 8 inserted into the bolt insertion holes 36 and 36. Even if it is set as the ceiling joint apparatus 1B comprised in this way by inserting the front-end | tip part into the center pivot parts 6 and 6 of the center maintenance apparatus 7A and 7A, and attaching with the nuts 37 and 37, the above-mentioned this invention The same effect as the first embodiment for carrying out the above can be obtained.

  The fourth embodiment for carrying out the present invention shown in FIGS. 16 to 18 is mainly different from the first embodiment for carrying out the present invention in that it is substantially horizontal to the wall surfaces 5 and 5 on the joint portion side. A pair of rails 40, 40 fixed in a state, slide arms 39, 39 provided with an inclined central pivot 6 having both ends slidably mounted on the pair of rails 40, 40, and the slide arm 39 , 39 using a central maintenance device 7B comprising a support bar 41 to which a plurality of suspension rods 8 pivotally supported by a central support portion 6 are attached at predetermined intervals. Even with the ceiling joint device 1 </ b> C, the same effects as those of the first embodiment for carrying out the present invention can be obtained.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a ceiling joint device that covers ceiling joint portions of left and right buildings provided through large joint portions.

1, 1A, 1B, 1C: ceiling joint device,
2: joint part, L: width dimension,
3: building, 4: ceiling member,
5: Wall surface, 6: Central pivot,
7, 7A, 7B: central maintenance device, 8: hanging rod,
9, 10: Inclined surface, 11: Central ceiling joint cover,
12: inclined surface, 13: hinge member,
14: Left and right ceiling joint covers,
15, 15A: Left and right ceiling joint cover urging mechanism,
16: Link body, 17: Pivot pin,
18: Tapping screw, 19: Mounting bracket,
20: pivot pin, 21: central link,
22: Hanging rod main body, 23: Locking piece,
24: nut,
25: Central ceiling joint cover body,
26: Insertion hole, 27: Mounting bracket,
28: Left and right ceiling joint cover body,
29: Tapping screw, 30: Arm,
31: Guide member, 32: Spring,
33: Wire, 34: Stopper piece,
35: Winding device, 36: Bolt insertion hole,
37: nut, 38: guide member,
39: Slide arm, 40: Rail,
41: Support bar.

Claims (3)

At least two of which both ends are attached to the left and right wall surfaces on the joint part side of the upper position of the ceiling member of the left and right buildings provided through the joint part, and are extendable and have a central pivot part in the central part. The left and right upper surfaces fixed to the lower ends of the suspension rods are moved to the left and right sides through the above-described central maintenance device and the suspension rods attached to the central pivots of the at least two central maintenance devices. A central ceiling joint cover that covers the joint part at the center of the projecting inclined surface and is substantially flush with the ceiling member, and the tip part is in surface contact with the inclined surface of the central ceiling joint cover, and the rear end part is The left and right ceiling joint covers that are attached to the wall surfaces on the joint side of the left and right buildings via the left and right hinge members so that the tip part can rotate downward, and the tip parts of the left and right ceiling joint covers are in a horizontal state Can be held without turning upwards And ceiling joints apparatus characterized by comprising a left and right roof joint cover biasing mechanism which can be pivoted downwards to tip the joints is narrowed by the earthquake. 2. The ceiling joint device according to claim 1, wherein the central ceiling joint cover has a width dimension that is one third or a quarter of the width dimension of the joint part. The left and right ceiling joint cover urging mechanism has a pair of arms with tip ends protruding upward at the rear ends of the left and right ceiling joint covers, and one end portion attached to the tip ends of the pair of arms. 2. The joint device for ceiling according to claim 1, wherein the end portion comprises a pair of biasing wires attached to a tension spring or a winding device.

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