JP2010222822A - Joint device for ceiling - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safely usable joint device for a ceiling, which has a simple structure capable of surely absorbing a shake caused by an earthquake, and which can be surely returned to its original state when the shake is stopped. <P>SOLUTION: This joint device for the ceiling includes: one ceiling joint plate 5 for the ceiling, the back end of which is attached to one joint portion-side ceiling skeleton via a hinge member 4, and which is almost horizontally positioned; the other ceiling joint plate 7, the back end of which is attached via a hinge member 6, and which is almost horizontally positioned; a guide means 11 which turns the leading end of the other ceiling joint plate 7 upward when a joint is narrowed by the earthquake; and a means 12 for regulating the turning of the other ceiling joint plate 7, which turns the leading end of the one ceiling joint plate 5 upward when the leading end of the other ceiling joint plate 7 is turned upward, and which can return to its original position when it is stopped. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a ceiling joint device that covers joint portions of ceiling portions of left and right buildings provided via joint portions.

In the conventional ceiling joint device, when the joint becomes narrow due to an earthquake, the ceiling joint plate protrudes indoors to absorb the shaking movement, or the ceiling joint plate is rotated upward using a lifting mechanism. Absorbs shaking movements.

However, since the ceiling joint device for projecting the ceiling joint plate to the indoor side protrudes to the indoor side, there is a disadvantage that it becomes unsightly or dangerous.
In addition, the ceiling joint device using the lifting mechanism has a drawback that the lifting mechanism is complicated and costly, and it is not possible to follow a sudden shaking movement and is damaged.

Japanese Patent No. 3854924

    In view of the above-mentioned conventional drawbacks, the present invention has a simple structure that can reliably absorb the shaking motion of an earthquake, can be used safely, and reliably returns to its original state when the shaking motion stops. An object of the present invention is to provide a ceiling joint device that can be used.

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 can turn the tip part located at the substantially central part of the joint part upward to one joint part side ceiling frame of the left and right buildings provided via the joint part. Thus, the rear end is attached to the one end of the ceiling joint plate, which is positioned substantially horizontally, and is attached to the front end of the one ceiling joint plate. The other ceiling joint plate, which is mounted almost horizontally, is mounted on the hinge member, the tip of the other ceiling joint plate, and the other joint side ceiling housing of the left and right buildings corresponding to the tip. Further, when the joint becomes narrow due to an earthquake, the guide means for turning the tip of the other ceiling joint plate upward, and when the tip of the other ceiling joint plate turns upward by a predetermined amount or more due to the earthquake, One heaven The tip of the joint plate is turned upward, and when the shaking motion of the earthquake stops, the other ceiling joint plate can be returned to the original position without overlapping one ceiling joint plate. The ceiling joint device is constituted by the rotation restricting means of the other ceiling joint plate.

  As is clear from the above description, the present invention has the following effects.

(1) When the joint becomes narrow due to an earthquake, the tip of the other ceiling joint plate is rotated upward by the guide means, and when the joint is turned upward by a predetermined amount or more, the rotation restriction means of the other ceiling joint plate is used. The tip end portion of one ceiling joint plate can be rotated upward to absorb the shaking motion.
Therefore, the ceiling joint plate does not protrude toward the indoor side, and it can be reliably prevented from becoming unsightly or dangerous.

(2) Even if the tip of one ceiling joint plate rotates upward, the other ceiling joint plate does not overlap one ceiling joint plate by the rotation restricting means of the other ceiling joint plate. When the ceiling joint plate returns to the original state, the other ceiling joint plate can be automatically returned to the original state.

(3) The other ceiling joint plate, whose tip is pivoted upward by the guide means, is connected to the tip of one ceiling joint plate by a hinge member, and the other ceiling joint plate is connected to one ceiling joint plate. Since it is only necessary to provide the movement restricting means, the structure is simple and it can be easily installed at low cost.

(4) The other ceiling joint plate is rotated upward by the guide means due to the swinging motion of the joint portion being narrowed, and the other ceiling joint plate and the other ceiling joint plate are further rotated by the rotation restricting means of the other ceiling joint plate. Since the ceiling joint plate rotates together, it is possible to reliably rotate the other ceiling joint plate and one ceiling joint plate to absorb the shaking motion even if a sudden swing motion occurs.

(5) According to the second aspect, the same effects as in the above (1) to (4) can be obtained, and one ceiling joint plate and the other ceiling joint plate can be reliably maintained in a horizontal state.

(6) According to the third aspect, the same effects as in the above (1) to (4) can be obtained, and the other ceiling joint plate can be smoothly rotated upward.

(7) According to the fourth aspect, the same effects as the above (1) to (4) can be obtained, and the structure of the rotation restricting means of the other ceiling joint plate is simple and can be installed at low cost.

The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. Explanatory drawing of one ceiling joint plate of the 1st form for implementing this invention. Explanatory drawing of the other ceiling joint plate of the 1st form for implementing this invention. Explanatory drawing of the guide means of the 1st form for implementing this invention. Explanatory drawing of the rotation control means of the other ceiling joint plate of the 1st form for implementing this invention. Operation | movement explanatory drawing of the state in which the joint part of the 1st form for implementing this invention became narrow by predetermined amount. Operation | movement explanatory drawing of the state in which the joint part of the 1st form for implementing this invention narrowed more than predetermined amount. Explanatory drawing of the state which one joint plate of the 1st form for implementing this invention returns. 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 12-12 line of FIG. The operation explanatory view in which the joint part of the 2nd form for carrying out the present invention became narrow. The operation explanatory view in which the joint part of the 2nd form for carrying out the present invention became wide. The top view of the 3rd form for carrying out the present invention. FIG. 16 is a cross-sectional view taken along line 16-16 in FIG. 15; The operation explanatory view in which the joint part of the 3rd form for carrying out the present invention became narrow. The top view of the 4th form for carrying out the present invention. FIG. 19 is a cross-sectional view taken along line 19-19 of FIG. Explanatory drawing of the hanging rail of the 4th 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. 10, reference numeral 1 denotes a ceiling joint device of the present invention that covers the ceiling joint portions of the left and right buildings 3 and 3 provided via the joint portion 2. Thus, the ceiling joint device 1 has a rear end so that the front end portion located substantially in the center of the joint portion 2 can be turned upward on one joint portion side ceiling housing 3a of the left and right buildings 3, 3. The rear end portion is arranged so that the front end portion of the ceiling joint plate 5 can be pivoted upward to the front end portion of the one ceiling joint plate 5 that is mounted substantially horizontally through the hinge member 4. The other ceiling joint plate 7 mounted on the hinge member 6 and positioned substantially horizontally, the inclined surface 8 formed at the tip of the other ceiling joint plate 7, and the left and right corresponding to the inclined surface 8 of the tip The other joint part 3 ceiling building 3 of the building 3 A guide means 11 comprising a guide piece 10 having an upper surface formed on a curved surface 9 for turning the tip of the other ceiling joint plate 7 upward when the joint portion 2 becomes narrow due to an earthquake. When the tip of the ceiling joint plate 7 is turned upward by a predetermined amount or more due to an earthquake, the tip of the one ceiling joint plate 5 is turned upward, and when the shaking motion of the earthquake stops, the other ceiling joint plate 7 is turned. The plate 7 is composed of the other ceiling joint plate rotation restricting means 12 provided on the one ceiling joint plate 5 that can return the plate 7 to the original position without overlapping the one ceiling joint plate 5.

  The one ceiling joint plate 5 is composed of a rectangular frame 13 and upper and lower cover plates 14 and 15 fixed so as to cover the upper and lower parts of the frame 13, and the rear end part is one joint part. It is attached via the hinge member 4 so as to come into surface contact with the side ceiling housing 3a and to be in a substantially horizontal state.

  The other ceiling joint plate 7 includes a rectangular frame 16 having a tip formed on the inclined surface 8, and upper and lower cover plates 17 and 18 fixed so as to cover the upper and lower portions of the frame 16. The rear end portion is attached to the front end portion of the one ceiling joint plate 5 via the hinge member 6 so as to stop in a substantially horizontal state.

The other ceiling joint plate rotation restricting means 12 is fixed to a stopper piece 19 fixed to a portion near the tip of one ceiling joint plate 5 and a portion near the rear end of the other ceiling joint plate 7. Further, the stopper ceiling 20 is in contact with the stopper piece 19 at a position where the other ceiling joint plate 7 can be automatically returned to its original position even if it is rotated.
The other ceiling joint plate 7 and one ceiling joint plate 5 are integrated as a unit by setting the stopper 20 so as to contact the stopper piece 19 when the other ceiling joint plate 7 is rotated about 22 degrees. Rotation of the other ceiling joint plate 7 can be performed more smoothly when the rotation of the other ceiling joint plate 7 is smoother.

In the joint device for ceiling 1 having the above-described configuration, when the joint portion 2 becomes narrow due to an earthquake, the leading end portion of the other ceiling joint plate 7 is rotated upward by the guide means 11 as shown in FIG. To do.
Further, in the case of a swinging motion such that the joint portion 2 becomes narrow, the stopper 20 of the rotation restricting means 12 of the other ceiling joint plate abuts against the stopper piece 19 as shown in FIG. And one ceiling joint plate 5 rotate together to absorb the shaking motion.
In the present embodiment, the other ceiling joint plate 7 is rotated integrally with the one ceiling joint plate 5 at a place where the other ceiling joint plate 7 is rotated about 22 degrees or more.
For this reason, it should be designed so that the joint portion 2 is maximally narrowed with respect to one ceiling joint plate 5 when the other ceiling joint plate 7 is rotated about 22 degrees. Can absorb the maximum shaking movement.
When one ceiling joint plate 5 is automatically returned by its own weight so as to be in a substantially horizontal state, the other ceiling joint plate 7 is located outward of the tip of one ceiling joint plate 5 as shown in FIG. Therefore, it automatically returns to its original position due to its own weight.

When the joint part 2 becomes wide due to the earthquake, as shown in FIG. 10, one ceiling joint plate 5 and the other ceiling joint plate 7 attached to one joint part side ceiling casing 3a are in a substantially horizontal state. The guide piece 10 of the other joint section side ceiling housing 3a is in a state of separating and absorbs the shaking movement.
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. 11 to 20 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. 11 to 14 is mainly different from the first embodiment for carrying out the present invention in that a joint at the upper position of one ceiling joint plate 5 is used. One ceiling joint plate 5 and the other ceiling joint plate 7 are positioned in a horizontal state on the part-side ceiling housing 3a, and the one ceiling joint plate 5 and the other ceiling joint plate 7 can be rotated upward. The ceiling joint plate configured in this way is provided with the use of one ceiling joint plate support wire 21 and the other ceiling joint plate support wire 22 and the provision of magnets 23 and 24 that repel the stopper piece 19 and the stopper 20. Even with the apparatus 1A, the same effects as those 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. 15 to 17 is mainly different from the first embodiment for carrying out the present invention in that the other ceiling joint plate 7 is rotated about 22 degrees. When it moves, the other ceiling joint plate 5 is fixed to the other ceiling joint plate 5 so as to come into contact with the other ceiling joint plate 7 and rotate together with the one ceiling joint plate 5. The ceiling joint device 1B using the rotation restricting means 12A of the other ceiling joint plate as described above is the first for implementing the present invention in that the plate turning restricting means 12A is used. The same effect as the form can be obtained.
Even if the stopper piece 19A is provided on the other ceiling joint plate 7, the same effect can be obtained.

The fourth embodiment for carrying out the present invention shown in FIGS. 18 to 20 is mainly different from the second embodiment for carrying out the present invention in that one ceiling joint plate 5 is connected to one joint portion. By attaching one ceiling joint plate 5 to such a hanging rail 25 in that it is attached to a hanging rail 25 that is slidable in the front-rear direction attached to the side ceiling housing 3a. It can also efficiently absorb swaying movements in the front-rear direction.
The suspension rail 25 is a guide rail 26 fixed so as to be substantially horizontal to one joint part side ceiling casing 3a, and the guide rail 26 slides in the front-rear direction via a roller 27. 26, a suspension rail body 28 having a lower end located below the suspension rail body 26, and a support roller 29 that is attached to a portion near the lower portion of the suspension rail body 28 and rolls on the one joint portion side ceiling casing 3a. It is configured.

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

1, 1A, 1B: joint device for ceiling,
2: joints, 3: buildings,
4: Hinge member, 5: One ceiling joint plate,
6: Hinge member, 7: The other ceiling joint plate,
8: inclined surface, 9: curved surface,
10: Guide piece, 11: Guide means,
12, 12A: Means for restricting rotation of the other ceiling joint plate,
13: Frame, 14: Upper cover plate,
15: Lower cover plate, 16: Frame,
17: Upper cover plate, 18: Lower cover plate,
19, 19A: Stopper piece, 20: Stopper,
21: One ceiling joint plate support wire,
22: The other ceiling joint plate support wire,
23, 24: Magnet, 25: Hanging rail,
26: Guide rail, 27: Roller,
28: Hanging rail body 29: Support roller.

Claims (4)

The rear end portion of the left and right buildings provided via the joint portion has a rear end portion via a hinge member so that the front end portion located substantially at the center portion of the joint portion can be rotated upward. One of the ceiling joint plates that are mounted substantially horizontally and the rear end of the ceiling joint plate that is mounted on a hinge member so that the tip of the ceiling joint plate can be rotated upward at the tip of the one ceiling joint plate. The other ceiling joint plate, the tip portion of the other ceiling joint plate, and the other joint joint side ceiling housing of the left and right buildings corresponding to the tip portion, when the joint portion becomes narrow due to an earthquake, the other Guide means for turning the tip of the ceiling joint plate upward, and when the tip of the other ceiling joint plate turns upward by a predetermined amount or more due to an earthquake, the tip of the one ceiling joint plate moves upward. Rotation When the shaking motion of the earthquake stops, the other ceiling joint plate can be returned to the original position without overlapping the other ceiling joint plate. A ceiling joint device, characterized in that the ceiling joint device is constituted by a regulating means. One ceiling joint plate and the other ceiling joint plate are usually placed on the upper side of one ceiling joint plate that maintains a horizontal state and supports the tip end side to be able to rotate upward even when the joint portion becomes narrow. The ceiling joint device according to claim 1, wherein the ceiling joint plate is supported by one ceiling joint plate support wire and the other ceiling joint plate support wire attached to the joint section side ceiling casing. The guide means is a guide piece that is fixed to the other joint-side ceiling housing and has a curved upper surface, and an inclined surface that is formed at the tip of the other ceiling joint plate that slides along the curved surface of the guide piece. The ceiling joint device according to claim 1, wherein the ceiling joint device is a curved surface. The other ceiling joint plate rotation restricting means includes a stopper piece fixed to a portion near the tip of one ceiling joint plate and the other ceiling fixed to a portion near the tip of the other ceiling joint plate. 2. The ceiling joint according to claim 1, wherein the joint is composed of a stopper that comes into contact with the stopper piece at a position where the joint plate can be automatically returned to its original position even if the joint plate rotates. apparatus.

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