JP3684334B2 - Airtight device for joints - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an airtight device for a joint part that is connected in an airtight state to a portion that connects between left and right buildings built via the joint part.
[0002]
[Prior art]
Conventionally, when the part connecting the left and right buildings is a part that needs airtightness such as a clean room, a rubber sheet formed in a cylindrical shape on the outer periphery of the joint device that can follow the shaking movement such as an earthquake Both ends are fixedly attached to the outer frame of the joint on the side of the opening of the left and right buildings.
[0003]
[Problems to be solved by the invention]
In the conventional rubber sheet mounting method, both ends of the cylindrical rubber sheet are fixed to the chassis on the joint side of the opening of the left and right buildings, so the rubber sheet part located on the ceiling part hangs down on the ceiling joint device. When the left and right buildings are swung in different front / rear / left / right directions due to an earthquake or the like due to an earthquake or the like, there is a drawback in that the rubber sheet at the portion in contact with the ceiling joint device is damaged.
[0004]
In view of the conventional drawbacks as described above, the present invention ensures that the upper part of the cylindrical airtight sheet that covers the joint between the openings of the left and right buildings in an airtight state is attached in contact with the ceiling joint device. Even if the building on the left and right swings in different directions, left and right, it can follow the swinging movement without damage, and the airtight seat can be folded so that it can be expanded and contracted smoothly. The purpose is to do.
[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 is capable of expanding and contracting between the outer peripheral portions on the joint portion side of the left and right quadrangular openings formed so as to connect the left and right buildings built via the joint portion. An airtight sheet of rubber material or the like in which the central part of the cover is a U-shaped bent tube, the four corners are bent inwardly or outwardly to form four pairs of folds, and the four pairs of folds are fixed; A fixture for fixing the airtight sheet on both sides and the lower part of both ends of the airtight sheet to the left and right joints on the side of the joint, and the upper part of both ends of the airtight sheet on the joint side end of the ceiling finishing material An airtight device for the joint portion is constituted by a pair of side plates fixed to the part and an upper fixing member including a fixing member fixed to the upper part of the pair of side plates in an airtight state.
[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. 13, 1 is a left and right opening 4 formed so as to connect between left and right buildings 3, 3 built via a joint 2. The present invention can cover the outer periphery of the floor joint device 5, the side wall joint devices 6 and 6, and the ceiling joint device 7 in an airtight state, even when 4 is swung back and forth due to an earthquake or the like. This joint-sealing device 1 is a quadrangular-shaped airtight device 1 that covers the right and left square-shaped openings 4, 4 of the left and right buildings 3, 3 so as to extend and contract between the outer peripheral portions on the joint-part side. An airtight sheet 8 such as a cylindrical rubber material, and a fixture 9 for fixing the airtight sheet 8 to both sides and lower portions of both ends of the airtight sheet 8 to the left and right joints 3a, 3a in an airtight state; The upper part of both ends of the airtight sheet 8 is the joint part side of the ceiling finishing materials 10 and 10. It is composed of a fixture 12 for fixing the upper fixture 13 made in the upper airtight pair of side plates 11, 11 and the pair of side plates 11, 11 fixed to the section.
[0009]
As shown in FIGS. 5 to 8, the airtight sheet 8 is a soft synthetic resin sheet or rubber sheet bent in a U-shape with the central part of the upper and lower parts downward, and the central part of both side parts protrudes outward. A square tube-shaped airtight sheet main body 14 bent in a letter shape, four corners of the airtight sheet main body 14 bent inward, and four triangular folds 15, 15, and the four pairs of folds 15, 15 portions Each is composed of fixing parts 16 and 16 by adhesion or welding.
[0010]
As shown in FIG. 9, the fixing tool 9 to the housing includes a plurality of press plates 17 divided into a plurality of press plates 17 capable of pressing and pressing both side end portions and lower end portions of the airtight sheet 8. A screw insertion hole 18 formed at a predetermined interval in each holding plate 17 and a plurality of screws 19 such as tapping screws inserted into the screw insertion holes 18 and screwed into the housing 3a. ing.
[0011]
As shown in FIGS. 10 and 11, the upper fixture 13 has an upper portion in which the lower portion is fixed to a joint portion side end portion of the ceiling finishing materials 10 and 10 by a plurality of screws 20 or the like in the vicinity of the bottom surface of the floor frame 3b. A pair of side plates 11 and 11, and a presser plate 17 having the same configuration as the fixture 9 to the housing, which can press and press the upper end portion of the airtight sheet 8 to the upper part of the pair of side plates 11 and 11. And a fixture 12 composed of a plurality of screws 19 such as tapping screws.
[0012]
When the right and left buildings 3 and 3 are swung in different left and right directions due to an earthquake or the like, the center portion of the airtight sheet 8 expands and contracts as shown in FIGS. 12 and 13. The shaking movement can be absorbed.
At this time, since the upper part of the airtight sheet 8 located at the upper part of the ceiling joint device 7 is attached to the upper part of the side plates 11 and 11 attached to the ceiling finishing materials 10 and 10, the bottom surface of the upper part of the airtight sheet 8. A sufficient gap can be ensured between the ceiling joint device 7 and the upper surface of the ceiling joint device 7, and the airtight sheet 8 can be efficiently prevented from contacting the ceiling joint device 7 in a frictional state.
[0013]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 14 to 19 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.
[0014]
In the second embodiment of the present invention shown in FIGS. 14 to 16, the main difference from the first embodiment of the present invention is that four pairs of folds 15 and 15 are respectively fixed to screws 21 with screws 21. In the point of using the airtight sheet 8A in which the U-shaped fitting piece 22 is fitted and fixed, the book-like airtight device 1A configured by using the airtight sheet 8A formed in this way is used as the book. The same effects as those of the first embodiment of the invention can be obtained.
[0015]
In the third embodiment of the present invention shown in FIGS. 17 to 19, the main difference from the first embodiment of the present invention is that four pairs of folds 15A, 15A are formed on the outside, and the four The airtight sheet 1B formed by using the airtight sheet 8B formed in this way is used in the point that the airtight sheet 8B in which the fixing portions 16 and 16 are formed by bonding or welding the pair of folds 15A and 15A is used. However, the same effects as those of the first 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 center part that covers the joint part side of the left and right quadrangular openings formed so as to connect the left and right buildings built via the joint part in a stretchable manner is U-shaped. In a bent tube shape, the four corners are bent inward or outward to form four pairs of triangular pleats, and an airtight sheet such as a rubber material to which the four pairs of pleats are fixed, and both ends of the airtight sheet A fixture to the housing for fixing both sides and lower part to the right and left joint side housings in an airtight state, and a pair of side plates in which the upper ends of both ends of the airtight sheet are fixed to the joint side ends of the ceiling finishing material And the upper fixture composed of a fixture that is fixed in an airtight manner to the upper part of the pair of side plates, even if the left and right buildings are swung in different directions due to earthquakes etc. Its shaking without damaging the airtight sheet It is possible to absorb the can.
Therefore, the airtight state can be maintained even if the left and right buildings are swung in the front / rear and left / right directions which are different due to an earthquake or the like.
[0018]
(2) According to the above (1), the upper part of the airtight sheet is fixed to the upper part of the pair of side plates fixed to the ceiling finishing material, so that the soft airtight sheet such as rubber is fixed in a U-shaped state. Even so, it is possible to effectively prevent the bottom surface of the upper part of the airtight sheet from contacting the ceiling joint device.
Therefore, it is possible to efficiently prevent the airtight sheet from being damaged by the ceiling joint device.
[0019]
(3) By using the airtight sheet in which the center portion is bent into a U-shape and the four corner portions are bent inwardly or outwardly to form four pairs of folds, and the four pairs of folds are fixed. Therefore, both ends of the airtight sheet can be formed in a square shape.
Therefore, both ends of the airtight sheet can be easily attached in an airtight state.
[0020]
(4) In claim 2, the same effects as in the above (1) to (3) can be obtained.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a usage state of a first embodiment of the present invention.
2 is a cross-sectional view taken along line 2-2 of FIG.
3 is a cross-sectional view taken along line 3-3 in FIG.
4 is a cross-sectional view taken along line 4-4 of FIG.
FIG. 5 is a front view of the airtight sheet according to the first embodiment of the present invention.
FIG. 6 is a side view of the hermetic sheet according to the first embodiment of the present invention.
7 is a cross-sectional view taken along line 7-7 in FIG.
FIG. 8 is an explanatory diagram showing a fold portion of the airtight sheet according to the first embodiment of the present invention.
FIG. 9 is an explanatory diagram of a fixture for the housing according to the first embodiment of this invention.
FIG. 10 is an explanatory diagram of an upper fixture according to the first embodiment of this invention.
11 is a cross-sectional view taken along line 11-11 in FIG.
FIG. 12 is an operation explanatory view showing a wide joint portion according to the first embodiment of the present invention.
FIG. 13 is an explanatory diagram of an operation in which the joint portion of the first embodiment of the present invention is narrowed.
FIG. 14 is a longitudinal sectional view of a second embodiment of the present invention.
FIG. 15 is a cross-sectional view of a second embodiment of the present invention.
FIG. 16 is an explanatory view showing a fold portion of an airtight sheet according to a second embodiment of the present invention.
FIG. 17 is a longitudinal sectional view of a third embodiment of the present invention.
FIG. 18 is a cross-sectional view of a third embodiment of the present invention.
FIG. 19 is an explanatory view showing a fold portion of an airtight sheet according to a third embodiment of the present invention.
[Explanation of symbols]
1, 1A, 1B: airtight device for joints,
2: joints, 3: buildings,
4: opening, 5: joint device for floor,
6: Joint device for side wall, 7: Joint device for ceiling,
8, 8A, 8B: airtight sheet,
9: Fixing tool to the frame, 10: Ceiling finishing material,
11: Side plate, 12: Fixing tool,
13: Upper fixture, 14: Airtight sheet body,
15: fold, 16: fixed part,
17: Presser plate, 18: Screw insertion hole,
19: Screw, 20: Screw,
21: Screw, 22: Fitting piece.

Claims (2)

The central part that covers the joint between the left and right quadrangular openings formed so as to connect the left and right buildings built via the joints is bent in a U-shape. It is cylindrical, and the four corners are bent inward or outward to form four pairs of triangular folds, and an airtight sheet such as a rubber material to which the four pairs of folds are fixed, both side portions at both ends of the airtight sheet, and A fixture for fixing the lower part to the right and left joint side casings in an airtight state, a pair of side plates in which the upper ends of both ends of the hermetic sheet are fixed to the joint side end parts of the ceiling finishing material, and the pair An airtight device for a joint part, comprising: an upper fixing device including a fixing device fixed in an airtight state to an upper portion of the side plate of the joint. The center part of the upper and lower parts that cover the joint part side of the right and left quadrangular openings formed so as to connect the left and right buildings built via the joint part so as to be stretchable is downward. The tube is bent in the shape of a letter and is bent into a U shape with the center of both sides protruding outward, and the four corners are bent inward or outward to form four pairs of triangular folds. An airtight sheet made of rubber or the like with folds fixed by adhesive bonding or fitting of fitting pieces, and a housing that fixes both ends and lower portions of both ends of the airtight sheet to the housing on the left and right joints in an airtight state. An upper fixture comprising: a fixture; a pair of side plates in which upper portions of both end portions of the airtight sheet are fixed to joint ends of the ceiling finishing material; and a fixture that fixes the upper portions of the pair of side plates in an airtight state. A joint-sealing device characterized by comprising:

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