JP6307551B2 - Ceiling joint device - Google Patents

Description

  The present invention relates to a ceiling joint device in the case where a ceiling is provided between left and right housings provided via joint portions.

  Conventionally, as this type of ceiling joint device, “the joint formed on the joint side end of the ceiling material attached to the frame of the ceiling part of one building of the left and right buildings built via the joint portion. A cover push-up piece, a guide rail fixed in the front-rear direction of the frame of the other building of the left and right buildings at a portion facing the joint cover push-up piece, and a movable body attached to the guide rail so as to be slidable The rear end portion of the movable body is pivotally supported, and the front end portion that comes into contact with the joint cover push-up piece is pivoted upward by the joint cover push-up piece when the joint portion becomes narrow, and the joint cover 2. Description of the Related Art A ceiling joint cover device (see Patent Document 1) is known, which includes a holder that can rotate upward at the tip and prevent downward rotation.

  However, such a ceiling joint device has a drawback in that the bottom surface of the joint cover is rubbed against the tip of the joint cover push-up piece, and the bottom surface of the joint cover is damaged.

  In order to prevent such a situation, so that the bottom surface of the joint cover is not rubbed, `` the ceiling material in which the tip part suspended and fixed to the ceiling housing of one building by the hanging tool is located to the joint part side end part; A joint ceiling cover that covers the space between the tip of the ceiling material and the wall of the other building, and a rear end is attached to the wall of the other building so that the tip of the joint ceiling cover can be rotated at least upward. A fixture, a receiver fixed in a channel shape on the upper surface of the front end of the joint ceiling cover, and a receiver fixed to a ceiling housing on the joint part side of the one building. A joint device for ceiling comprising a joint ceiling cover pivoting arm that engages with a tool and can pivot the tip of the joint ceiling cover upward without colliding with the ceiling member "(Patent Document 2) Also known

  However, in such a joint device for a ceiling, since the support and the joint ceiling cover rotating arm are in a substantially line contact, when the size of the joint cover increases and its weight increases, a very large load is locally applied. In addition, there is a risk that the arm and the receiving tool may be deformed.

  In addition, in such a joint device for ceiling, since the holder is in contact with the arm even during normal times, when the left and right housings are swung in the front-rear direction, if the rocking motion is slightly absorbed, it can be absorbed. Due to the limited width and the like, there was a drawback that a large shaking movement could not be absorbed.

Japanese Patent No. 3408181 JP 2011-94291 A

  In view of the above-mentioned conventional drawbacks, the present invention can disperse the load applied to the support member, and can smoothly absorb the shaking motion even if the left and right housings shake greatly in different longitudinal directions due to an earthquake. 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 object, a ceiling joint device according to the present invention is a ceiling joint device that closes joint portions of the ceiling portions of the left and right housings, and the base ends thereof are attached to the left and right housings, respectively. A pair of fixed joint plates, a pair of support members each having an attachment end attached to the left and right housings at a position above the fixed joint plates, and a central pivot portion provided between the left and right housings. A central maintenance device that is always located at a substantially central portion in the left-right direction of the joint portion, and a joint between the pair of fixed joint plates that is provided in a suspended state via a suspension member at the central pivot portion of the central maintenance device. parts provided so as to cover the, is constituted by an intermediate joint member having a guide member and the movable joint plate, when the left and right skeleton said as joints is narrowed has swings by earthquakes, the intermediate The upper surface of the ground member of the guide member is the support member by sliding movement such that the movable joint plate in accordance with this movement is not in contact with the fixed joint plate, the guide member is supported by the support member in a surface contact state It is characterized by that.

As is clear from the above description, the present invention has the following effects.
(1) In the invention described in claim 1, since the guide member is supported by the support member in a surface contact state, a load applied to the support member can be dispersed, and the movable joint plate is heavy. Can also be supported.
(2) Since the guide member moves so as to slide on the upper surface of the support member and the movable joint plate is lifted without contacting the fixed joint plate with this movement, the bottom surface of the movable joint plate is damaged. It can absorb the shaking motion caused by the earthquake.
(3) Each of the inventions according to claims 2 to 5 can obtain the same effect as the above (1) to (2), and even if the left and right housings are greatly swung in different front and rear directions due to an earthquake, the guide member Slides on the upper surface of the support member and can smoothly absorb the shaking movement.

1 to 8 are explanatory views showing a first embodiment of the present invention.
9 to 11 are explanatory views showing a second embodiment of the present invention.
12 to 14 are explanatory views showing a third embodiment of the present invention.
15 and 16 are explanatory views showing a fourth embodiment of the present invention.
The top view of the joint device for ceilings of a 1st embodiment. The bottom view of the joint device for ceilings. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of a supporting member and a guide member. Operation | movement explanatory drawing in the state where the joint part became a little narrow by the earthquake. 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. Explanatory drawing of operation | movement when the left and right housings sway in different front and rear directions. The top view of the joint device for ceilings of 2nd Embodiment. Sectional drawing which follows the 10-10 line of FIG. Explanatory drawing of a supporting member and a guide member. The top view of the joint device for ceilings of a 3rd embodiment. Sectional drawing which follows the 13-13 line | wire of FIG. Explanatory drawing of a supporting member and a guide member. The top view of the joint device for ceilings of a 4th embodiment. FIG. 16 is a cross-sectional view taken along line 16-16 in FIG. 15;

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.
In this specification, it is referred to as a left-right direction, a front (upward in the drawing), and a rear (downward in the drawing) direction with reference to FIG. Further, it is referred to as an upward (upward drawing) and downward (downward drawing) direction with reference to FIG.

  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 8, reference numeral 1 denotes a ceiling joint device installed between left and right housings 3, 4 provided via a joint portion 2.
As shown in FIGS. 1 to 3, the ceiling joint device 1 includes a pair of fixed joint plates 5 respectively attached to the left and right housings 3 and 4, and the left and right joints at positions above the fixed joint plates 5. A pair of support members 6 respectively attached to the housings 3 and 4, a central maintenance device 7 provided between the left and right housings 3 and 4, and a suspension member 9 on the central pivot 8 of the central maintenance device 7 And an intermediate joint member 32 provided in a suspended state.

  In the present embodiment, the intermediate joint member 32 is provided on the joint plate attachment portion 10, the movable joint plate 12 provided on the joint plate attachment portion 10 via the hinge member 11, and the movable joint plate. And a guide member 13.

  A pair of movable joint plates 12 mounted on the joint plate mounting portion 10 in a substantially horizontal state and rotatably, and a guide member 13 integrally provided on the upper surface of the movable joint plate 12 are one piece. And collaborate.

  In the present embodiment, a pair of plate-shaped fixed joint plates 5 that respectively cover about one-fourth of the joint portion 2 are provided on the one housing 3 and the other housing of the left and right housings 3 and 4. Yes. As for this pair of fixed joint plate 5, the protrusion edge part 5b is formed in the inclined surface 14, and the base end part 5a is fixedly attached to one housing 3 and the other housing 4, respectively.

  A pair of support members 6 are fixed to the wall surface 3 a of one housing 3 and the wall surface 4 a of the other housing 4 above the pair of fixed joint plates 5. The support member 6 is composed of a plate-like member, and is inclined so as to be lowered to the right as viewed from the front. An inclined surface 15 is formed at the distal end portion 6b of the support member 6 so as to be steeper than the inclination. The attachment end 6 a of the support member 6 is fixedly attached to the wall surface of one housing 3 above the fixed joint plate 5 with bolts or the like.

Between the pair of fixed joint plates 5, a pair of plate-like movable joint plates 12 that close the joint portions 2 where the one fixed joint plate 5 is not installed are provided.
The movable joint plate 12 has a mounting end 12 a attached to a joint plate mounting portion 10 provided in a suspended state on the central pivot 8 of the central maintenance device 7 via a suspension member 9 via a hinge member 11. Each is attached.

  In the present embodiment, the central maintenance device 7 is a pantograph-like link member, and both ends thereof are respectively attached to the wall surface 3a of one housing 3 and the wall surface 4a of the other housing 4. In the present embodiment, two central maintenance devices 7 are provided in the front-rear direction. Although only one central maintenance device 7 may be provided, it is more preferable to provide a plurality, and three or more central maintenance devices 7 may be provided.

A column-like suspension member 9 is viewed severally at the central pivot 8 of the central maintenance device 7, and a joint plate mounting portion 10 is provided integrally or separately at the lower end of the suspension member 9. Yes.
In the present embodiment, the central pivot 8 is a pivot located in the center of the link member.

  In the present embodiment, a prismatic joint plate mounting portion 10 is fixed so as to connect two suspension members 9 in the front-rear direction.

The movable joint plate 12 has an attachment end portion 12a attached to the joint plate attachment portion 10 via a hinge member 11, and the projecting end portions 12b are located near the projecting end portions 5b of the pair of fixed joint plates 5. Each is located in a state where it is located at a slight interval.
The projecting end portion 12 of the movable joint plate 12 is formed with an inclined surface 16 corresponding to the inclined surface 14 formed on the projecting end portion 5 b of the fixed joint plate 5.

  A cover plate 17 that protrudes toward the movable joint plate 12 is provided on the bottom surface of the protruding end portion 5 b of the fixed joint plate 5. By providing this cover plate 17, it is possible to close a gap between the protruding end portion 5 b of the fixed joint plate 5 and the protruding end portion 12 b of the movable joint plate 12 that are generated in the normal time.

  A leg portion 13a is provided on the upper surface of the movable joint plate 12 on the attachment end portion 12a side, extends in a substantially horizontal state toward the center side of the joint portion 2, and a plate-like guide member 13 supported by the support member 7 is provided. It is fixedly provided. An inclined surface 18 corresponding to the inclined surface 15 formed on the distal end portion 6b of the support member 6 is formed at the distal end portion 13b of the guide member 13. In a state where there is no shaking movement due to the above, the abutting surface 15 is in contact with the inclined surface 15 formed at the tip 6b of the support member 6.

  If the support member 7 can lift the guide member 13 so that the fixed joint plate 5 and the movable joint plate 12 do not come into contact with each other when the joint portion becomes narrow due to the earthquake, there is a gap. good.

  In the present embodiment, a plurality of wires 19 are provided on the upper surface of the guide member 13 on the leg portion 13a side so that the movable joint plate 9 does not rotate downward from the horizontal state. The other end of the wire 19 is fixed to the suspension member 9. Although the wire 19 is used in the present embodiment, any configuration may be used as long as such an effect can be obtained. For example, a chain, a bracket that comes into contact with the bottom surface of the mounting end 12a of the movable joint plate 12, and the like can be considered.

  When the joint 2 between the left and right housings 3 and 4 is swung so as to be slightly narrow due to the earthquake, the inclined surface 18 of the tip 13b of the guide member 13 is inclined to the support member 6 as shown in FIG. The movable joint plate 12 is also lifted upward by the surface 15, and the movable joint plate 12 is also rotated upward via the hinge member 11 with this movement. By this action, the projecting end portion 12 b and the bottom surface of the movable joint plate 12 rotate upward without contacting the fixed joint plate 5.

  When the joint portion 2 between the left and right housings 3 and 4 becomes narrower, the guide member 13 moves so as to slide on the upper surface of the support member 6 as shown in FIG. The tip of the joint plate 9 is further rotated upward to absorb the shaking motion without contacting the fixed joint plate 5.

  At this time, since the guide member 13 is supported by the support member 6 in a surface contact state, the size of the movable joint plate 12 is increased, and even when the weight thereof is increased, the load can be dispersed. It is possible to prevent the support member 7 from being deformed or damaged.

In the present embodiment, both the support member 6 and the guide member 13 are formed in a plate shape, but the support member 6 and the guide member 13 may be in contact with each other in a surface contact state, so the support member 6 is The guide member 13 may be configured by a large number of square-shaped members, the support member 6 may be configured by a large number of square-shaped members, and the guide member 13 may be configured by a plate shape.
When the joint 2 between the left and right housings 3 and 4 is swung so as to widen due to the earthquake, the fixed joint plate 5 and the movable joint plate 12 move away from each other as shown in FIG. Absorbs swaying movements.

Since the movable joint plate 12 is supported by the wire 19, the movable joint plate 12 can be slid in the horizontal direction while maintaining the horizontal state without rotating downward from the horizontal state.
When the left and right housings 3 and 4 are swung in different front and rear directions due to the earthquake, as shown in FIG. 8, the fixed joint plate 5 and the movable joint plate 12 slide and move in the front and rear directions to absorb the shaking motion caused by the earthquake.

  Since the support member 6 and the guide member 13 are configured in a plate shape, even if they are in contact with each other, the swinging motion width in the front-rear direction is not limited and the swinging motion due to the earthquake can be absorbed.

In addition, since the joint portion 2 becomes narrower and the left and right housings 3 and 4 swing in different front and rear directions, the swing motion width in the front and rear direction is not limited, so that the shaking motion due to the earthquake is reliably absorbed. can do.
[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 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 carrying out the present invention shown in FIGS. 9 to 11 is mainly different from the first embodiment for carrying out the present invention in that the supporting member 6A is composed of a number of square members. Along with this ceiling joint device 1A, the thin plate-like support plate 20 is fixed to the upper surface of the support member 6A, and the guide member 13A is also an intermediate joint member 32A formed of a number of square members. The same effect as the second embodiment for carrying out the present invention can be obtained.
Note that the support plate 20 may be fixed only to the upper surface of the support member 6A in the vicinity of the front end portion 6b. Further, the support plate 20 may be fixed to the bottom surface of the guide member 13A (only the vicinity of the distal end portion 13b is acceptable).

The third embodiment for carrying out the present invention shown in FIGS. 12 to 14 is mainly different from the first embodiment for carrying out the present invention in that a plate-like support member 6 and a number of square members are used. The same effect as that of the first embodiment for carrying out the present invention can be obtained even in such a ceiling joint device 1B in that the intermediate joint member 32A using the configured guide member 13A is used.
The guide member may be plate-shaped, and the support member may be composed of a number of square members.

  The fourth embodiment for carrying out the present invention shown in FIGS. 15 and 16 is mainly different from the first embodiment for carrying out the present invention in that it is a pantograph and has a central pivot 8 and a plurality of pivots. A link member 22 having a support part 21, a central support part 8 of the pantograph-like link member 22, a plurality of square bar-like support bars 23 provided respectively on the plurality of support parts 21, and the left and right housings 3, 4 In the above-described ceiling joint device 1 </ b> C, the present invention is applied to the ceiling joint device 1 </ b> C in that the central maintenance device 7 </ b> A configured with a plurality of support arms 24 that support the bottom surfaces of the plurality of support bars 23 is used. The same effects as those of the first embodiment can be obtained, the load applied to the link member 22 can be received by the support arm 24, and even the heavy movable joint plate 12 is suspended. It can gel.

The support arm 24 includes, for example, a base tube 25 attached to one housing 3, an intermediate tube 26 slidably mounted so as to protrude from the tip of the base tube 25, and the intermediate tube 26 is slidably mounted so as to protrude and retract, and a distal end portion 27 is attached to the other casing.
The support arm 24 is attached so that the adjacent support arms 24 are in opposite directions, and the support arm 24 adjacent to the support arm 24 in which the base end tube 25 is attached to one housing 3 is the base end tube. 25 is attached to the other housing 4, and the tip tube 27 is attached to one housing.

  By mounting in this way, the support bars 23 are supported on the upper surfaces of the plurality of base end tubes 25, respectively.

Further, on the upper part of the suspension member 9, a contact member 28 having an inverted triangular shape in front view that contacts the bottom surfaces of the plurality of support bars 23 is provided.
The contact member 28 includes an outer cylindrical attachment 29 inserted into the suspension member 9, a pair of contact member main bodies 30 fixed to the attachment 29 and having an inverted triangular shape in front view, It comprises a ring-shaped fixture 31 that contacts the lower end of the fixture 29 and fixes the fixture 29 to the suspension member 9.

  Since the upper part of the contact member 28 is always in contact with the bottom surfaces of the plurality of support bars 23, it is provided at the lower part of the suspension member 9 and the suspension member when, for example, the joint becomes wide due to an earthquake. It is possible to prevent the joint plate mounting portion 10 and the movable joint plate 12 from rattling like a pendulum.

  In the embodiment of the present invention, the protruding end portion of the fixed joint plate and the protruding end portion of the movable joint plate are formed on the inclined surface. However, when the joint portion becomes narrow, the protruding end portion of the fixed joint plate and the movable joint plate are formed. Any shape such as a curved surface may be used as long as the protruding end portion does not come into contact.

  Further, in the embodiment of the present invention, the one using a pantograph-shaped link member as the central maintenance device has been described. However, not only the link member but also one using a rack and a pinion (for example, in JP 2011-226150 A) And the like, and a known central maintenance device can be used.

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

1, 1A, 1B, 1C: ceiling joint device,
2: joints, 3: one housing,
4: the other housing, 5: fixed joint plate,
6, 6A: support member, 7, 7A: central maintenance device,
8: Central pivot, 9: Hanging member,
10: Joint plate attachment part, 11: Hinge member,
12: Movable joint plate, 13, 13A: Guide member,
14: inclined surface, 15: inclined surface,
16: inclined surface, 17: cover plate,
18: inclined surface, 19: wire,
20: Support plate, 21: Pivot,
22: Link member, 23: Support bar,
24: support arm, 25: proximal cylinder,
26: intermediate cylinder, 27: tip cylinder,
28: contact member, 29: fixture,
30: Contact member body 31: Fixing tool,
32, 32A: Intermediate joint members.

Claims (5)

A ceiling joint device for closing joints of the ceiling portions of the left and right housings, a pair of fixed joint plates each having a base end attached to each of the left and right housings, and a position above the fixed joint plate A pair of support members each having an attachment end attached to the left and right housings, and a central maintenance device provided between the left and right housings, the central pivot of which is always located in the substantially central portion in the left-right direction of the joint. A guide member and a movable joint plate, which are provided in a suspended state via a suspension member on the central pivot portion of the central maintenance device, and are provided so as to close the joint portion between the pair of fixed joint plates. It is constituted by an intermediate joint member, when the precursor of the left and right so that the joint portion by the earthquake is narrowed has swings the guide member of said intermediate joint member slides the upper surface of the support member Motion so that the movable joint plate in accordance with this movement is not in contact with the fixed joint plate, the guide member ceiling joints apparatus characterized by being supported by the support member in a surface contact state. The intermediate joint member includes a joint plate mounting portion provided in a suspended state via a suspension member on a central pivot portion of the central maintenance device, and one end portion of the pair of fixed joint plates. A pair of movable joint plates, the other end portions of which are respectively provided on the joint plate mounting portions via hinge members, and leg portions are provided on the upper surfaces of the movable joint plates. The ceiling joint device according to claim 1, comprising a pair of guide members extending to the ceiling. The ceiling joint device according to claim 1, wherein each of the support member and the guide member is formed of a plate-like member. 3. The ceiling according to claim 1, wherein one of the support member and the guide member is formed of a plurality of square-shaped members, and the other is formed of a plate-shaped member. Joint equipment. The said support member and guide member are comprised by the some square-shaped member, and provided the plate-shaped support plate in any one of the upper surface of a support member, or the bottom face of a guide member, The claim 1 or Claim characterized by the above-mentioned. The ceiling joint device according to any one of 2 above.

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