JP6100959B1 - Joint device - Google Patents

Abstract

A joint device is provided that can reliably cover an attachment portion of a joint plate without restricting the movement of the joint plate. A joint device 1 for closing a joint portion 2 between left and right housings, and a link member 7 provided on each of the left and right housings via hinge members 5 and having a plurality of pivot portions 6, and left and right housings. A pair of end joint plates 8, a joint plate 9, and a cover member 10, provided with a rigid fixed cover member 13 provided on the left and right housings, with the movable end portion entering the inside thereof. And is formed in a shape that can maintain the state in which the movable end portion enters even when the end joint plate 8 rotates. [Selection] Figure 2

Description

  The present invention relates to a joint device for closing joint portions between casings provided via joint portions.

  Conventionally, as a joint device for closing joints between ceilings or between wall surfaces with thin joint plates, “the one attached to the joint part side frame of the left and right buildings built via the joint parts via hinge members respectively. In the wall joint device which covers the joint portion using the joint cover and the other joint cover in a stretchable manner, the movable side water-proof sheet receiving rails attached to the rear end portions of the one joint cover and the other joint cover, respectively. A fixed-side water-stop sheet receiving rail attached to the right and left joint-side housings of a portion corresponding to the movable-side water-stop sheet receiving rail, and the fixed-side water-stop sheet receiving rail and the movable-side water-stop sheet receiver. The length of the length that can be absorbed even if the dimension between the stationary water-stop sheet receiving rail and the movable water-stop sheet receiving rail, both ends of which are attached to the rail using sheet pressers, changes. There is known a wall joint device characterized by using a water sheet, a sealing agent filled between the stationary water-stop sheet receiving rail and the right and left joint-side housings (for example, a patent). Reference 1).

  In such a joint device, the left and right housings are fixed with hinge members and sealed with a rubber waterproof sheet or the like so as to cover the hinge members. However, such a waterproof sheet is so thin that it can be easily cut with a cutter knife or the like, and the attachment portion of the joint plate is easily exposed, which has a drawback in security.

  Although it is conceivable to cover the hinge member with a sealant, there are drawbacks in that the movement of the joint plate is limited, and cracking or the like occurs due to deterioration over time.

JP 2009-57697 A

  An object of the present invention is to provide a joint device that can reliably cover an attachment portion of a joint plate without limiting the movement of the joint plate in view of the above-described conventional drawbacks.

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 joint device of the present invention is a joint device that closes a joint portion between left and right housings, and is provided on each of the left and right housings via hinge members, and has a plurality of pivot portions. And a pair of left and right end joint plates attached to either the pivotal support portion of the left or right end portion of the link member or the hinge member, and at least one provided between the pair of left and right end joint plates And a cover member that covers the hinge member so that the hinge member is not exposed to the outer side of the joint portion. The cover member includes a rigid fixed cover member provided on the left and right housings. consists of a movable cover member rigid provided each of the pair of left and right end joint plate so that the movable end portion inwardly of said fixed cover member enters, the fixed cover member, With a central-side protruding portion to the land portion is formed in a flat plate shape, the movable cover member extends so that its movable end portion inwardly of said fixed cover member enters and the hinge member Even when the end joint plate rotates around the fulcrum, the movable cover is formed in a shape that can maintain the state where the movable end enters the inside of the fixed cover member.

As is clear from the above description, the present invention has the following effects.
(1) In the first aspect of the invention, since the cover member that covers the hinge member is provided, it is possible to prevent the hinge member for attaching the joint plate and the like from being exposed to the outside.
Therefore, the hinge member can always cover, and the joint device can be removed by disassembling the hinge member, so that someone can enter the inside of the joint portion and security can be improved.
(2) Further, the cover member includes a rigid fixed cover member provided on the left and right housings, and the pair of left and right end joints so that the movable end portion enters the inside of the fixed cover member and the fixed cover member. The movable cover member includes a hard movable cover member provided on the plate, and the movable cover member enters the fixed cover member inward even when the end joint plate rotates around the hinge member. Since the left and right housings sway due to the earthquake and the joint plate rotates with the hinge member as a fulcrum, the hinge member can be prevented from being exposed to the outside and the cover member can be damaged. Can be prevented.
(3) In the invention according to claim 2, the effects (1) to (2) can be obtained, and at least a part of the movable cover member is formed in an arc shape, so that the hinge member serves as a fulcrum. Even when the end joint plate is rotated, it is possible to maintain the state in contact with the fixed cover member without any gap.
(4) In the invention according to claim 3, the effects (1) to (3) can be obtained.

1 to 7 are explanatory views showing a first embodiment of the present invention.
8 to 12 are explanatory views showing a second embodiment of the present invention.
The front view of the joint device of a 1st embodiment. Sectional drawing which follows the 2-2 line of FIG. Explanatory drawing of the principal part near a joint plate attachment edge part. The operation explanatory view where the joint part became narrow by the earthquake. The operation explanatory view where the joint became wide by the earthquake. Explanatory drawing of operation when the left and right swaying bodies swing in different longitudinal directions in an earthquake. The principal part expansion explanatory drawing of FIG. The front view of the joint apparatus of 2nd Embodiment. Sectional drawing which follows the 9-9 line of FIG. The operation explanatory view where the joint part became narrow by the earthquake. The operation explanatory view where the joint became wide by the earthquake. Explanatory drawing of operation when the left and right swaying bodies swing in different longitudinal directions in an earthquake.

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 7, reference numeral 1 denotes a joint device installed between one housing 3 and the other housing 4 provided via a joint portion 2.
In the present embodiment, the joint device 1 is used as a joint device for a wall surface that closes a joint portion between the wall surfaces of the left and right housings 3 and 4.

  The left-right direction is the left-right direction in FIG. 1, the up-down direction is the up-down direction in FIG. 1, and the front-rear direction is the up-down direction in FIG. The outward direction of the joint portion is the outer wall surface direction (downward direction in FIG. 2) of the casing, and the inner side of the joint portion is the inner wall surface direction (upward direction in FIG. 2) of the casing.

  Further, in the present invention, the frame means a building on which joint plates such as buildings, roads, slabs, elevator shafts and the like can be installed, and the entrance / exit is not only an entrance / exit provided with doors and doors, but also people, vehicles, etc. It also includes a passage that can be accessed.

  Furthermore, the term “substantially abutted” in the present invention refers not only to the state of contact, but also to the state where the gap is slightly open.

  As shown in FIGS. 1 and 2, for example, the joint device 1 is provided on the wall surfaces 3a and 4a of the left and right housings 3 and 4 via a pair of left and right hinge members 5, respectively. A link member 7 having a pair of left and right end joint plates 8 respectively attached to the hinge member 5, a joint plate 9 provided between the pair of left and right end joint plates 8, and the hinge member 5. And a cover member 10 for covering.

As shown in FIG. 3, the hinge member 5 is composed of a substantially angled fixed piece 5a and a movable piece 5c connected to the fixed piece 5a via the hinge portion 5b in the present embodiment. The link member 7 and the end joint plate 8 are attached to the movable piece 5c.
In the present embodiment, one vertically long hinge member 5 having substantially the same dimension as the height of the joint plate is provided on each of the left and right sides. A plurality may be provided.

  In this embodiment, the movable piece 5c has a distal end portion bent in a substantially U shape, and the end joint plate 8 is fixed to the bent portion.

In addition, you may form the front-end | tip part of the movable piece 5c in key shape, circular arc shape, and an inclined surface shape.
In the present embodiment, the pair of left and right end joint plates 8 are metal thin plates, and the attachment end portions 8a are bent, and these portions are fixed to the hinge member 5 by welding, bolting, or the like. .
Further, the protruding end portion 8b of the end joint plate 8 overlaps with the left and right portions of the joint plate 9 so as to be slidable from each other. Even when the left and right housings 3 and 4 are shaken by the earthquake and the joint portion is narrowed, the length of the projecting end portions 8b of the end joint plate 8 is such that they do not collide with each other.

  A cover member 10 to be described later is provided in the vicinity of the attachment end portion 8a of the end joint plate 8, and the hinge member 5 covers the joint portion 2 so as not to be exposed to the outer side of the joint portion 2. ing. By covering the hinge member 5 in this manner, the hinge member 5 can be disassembled to remove the joint plate and the like, and someone can be prevented from entering the joint portion.

The link member 7 is formed in a pantograph shape having a plurality of pivotal support portions 6. In the present embodiment, two link members 7 are provided on the upper and lower sides. The left and right ends of the link member 7 are fixed to the movable piece 5c of the hinge member 5 by welding, bolting or the like.
Further, a joint plate 9 is pivotally supported by a pivot pin 11 at the pivotal support portion 6 at the central portion of the link member 7.

  The joint plate 9 is a metal thin plate, and the left and right portions thereof overlap with the protruding end portions 8b of the end joint plate 8. The left and right housings 3 and 4 are shaken by the earthquake, and the joint portion is widened. Even if it is a case, it is formed in the length dimension of the grade which can maintain the state which has overlapped with the above-mentioned end joint plate 8.

  The joint plate 9 overlaps the left and right end joint plates 8 in a state of being located in front of the left and right end joint plates 8 (outside of the joint portions 2), and the joint plate 9 and the left and right end joints are overlapped. It is always urged toward the inside of the joint 2 by a spring 12 provided on the rear side of the pivot pin 11 (inner side of the joint 2) so as to always contact the plate 8.

As shown in FIG. 3, the cover member 10 has a metal fixed cover member 13 fixed to the wall surfaces of the left and right housings 3 and 4, and an end portion so as to substantially abut against a protruding end portion of the fixed cover member 13. It is comprised with the metal movable cover member 14 provided in the attachment edge part vicinity of the joint plate.
The fixed cover member 13 and the movable cover member 14 are made of metal in the present embodiment, but hard resin (engineer plastic or the like) may be used.

  The fixed cover member 13 is a thin plate formed in an angle shape, and a protruding end portion protrudes toward the center side of the joint portion 2. This protruding end is in contact with the movable cover member 14 in the present embodiment.

  The movable cover member 14 is a thin plate, and its attachment end 14 a is fixed near the attachment end 8 a of the end joint plate 8.

Further, the movable cover member 14 has a protruding end portion 14b extending inwardly of the fixed cover member 13, and the protruding end portion 14b is formed in an arc shape. The projecting end portion 14b is in contact with the fixed cover member 13 in an inward state.
In the present embodiment, the arc-shaped protruding end portion 14b is formed when a circle is drawn with the protruding end portion of the fixed cover member 13 as a radius from the hinge portion 5b of the hinge member 5 as shown in FIG. It is formed in a circular arc that substantially overlaps the circumferential locus L.

  With such an arc, even when the end joint plate 8 or the like rotates around the hinge 5b as a fulcrum, the movable cover member 14 is in contact with the fixed cover member 13 inward. Can be maintained.

  When the left and right housings 3 and 4 are swung in the left and right direction and the joint portion 2 is narrowed by the earthquake, the left and right end joint plates 8 are moved in the center direction of the joint portion 2 as shown in FIG. When the shaking caused by the earthquake stops, it automatically returns to the original state.

  As shown in FIG. 5, when the left and right housings 3 and 4 swing left and right and the joint portion 2 widens, as shown in FIG. When is settled, it automatically returns to the original state.

  When the left and right housings 3 and 4 swing in different front and rear directions due to the earthquake, as shown in FIG. 6, the left and right end joint plates 8, the link member 7 and the joint plate 9 pivotally supported by the link member 7 are: It rotates in the front-rear direction and absorbs the shaking movement.

  At this time, as shown in FIG. 7, the cover member 10 maintains an abutting state in which the arc-shaped protruding end portion 14 b of the movable cover member 14 enters inward of the protruding end portion of the fixed cover member 13. Therefore, the hinge member 5 is not exposed to the outside, and the shaking motion due to the earthquake can be absorbed without the cover member 10 being damaged.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 8 to 12 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 FIG. 8 to FIG. 12 is mainly different from the first embodiment for carrying out the present invention through hinge members 5A fixed to both ends. The left and right housings 3 and 4 are provided with a pantograph-like link member 7A, and a crank-like end joint plate 8A is fixed to the pivotal support 6 at the left and right ends of the pantograph-like link member 7A. In the present embodiment, a plurality of joint plates 9A are provided between the joint joint plates 8A, and thus the joint device 1A is the first for implementing the present invention. The same effect as the form can be obtained.
In the present embodiment, the entire movable cover member 14 is formed in an arc shape.

  The end joint plate 8A is formed in a substantially crank shape, and the movable cover member 14 of the cover member 10 is fixed in the vicinity of the attachment end. The end joint plate 8 </ b> A is provided so as to protrude toward the center of the joint part 2.

  The joint plate 9A is a metal-made thin joint plate 9a provided at the central pivot 6 of the link member 7A, and a metal plate provided between the center joint plate 9a and the end joint plate 8A. And a thin intermediate joint plate 9b.

  The central joint plate 9a is fixed to the central pivot 6 of the link member 7A via a bar member 16 extending in the vertical direction, and is formed in a substantially T shape.

  The intermediate joint plate 9b is fixed to the intermediate pivot 6 of the link member 7A via a bar member 15 extending in the vertical direction, and has a substantially crank shape. The intermediate joint plate 9b is provided so as to protrude toward the left and right housings.

  The intermediate joint plate 9a is provided in the outermost direction of the joint part, and the end joint plate 8A is provided in the innermost part. Specifically, the end joint plate 8A, the intermediate joint plate 9b, the central joint plate 9a, the intermediate joint plate 9b, and the end joint plate 8A are provided in this order from the side of the one housing 3.

These joint plates 8A and 9A are overlapped so as to be stepped by the thickness of the plate.
When the left and right housings 3 and 4 sway in the left and right direction due to the earthquake and the joint portion 2 becomes narrow, the left and right end joint plates 8A and the intermediate joint plate 9b of the joint plate 9A are in the center direction of the joint portion 2 as shown in FIG. It moves to, absorbs the shaking motion, and when the shaking motion due to the earthquake stops, it automatically returns to the original state.

  When the left and right housings 3 and 4 sway in the left and right direction and the joint portion 2 becomes wider due to the earthquake, as shown in FIG. Then, the shaking motion is absorbed, and when the shaking motion due to the earthquake stops, it automatically returns to the original state.

  When the left and right housings 3 and 4 are swung in different longitudinal directions in an earthquake, as shown in FIG. 12, the link member 7 and the left and right end joint plates 8A and 9A supported by the link member 7A are Rotate in the front-rear direction and absorb the shaking movement.

  At this time, as shown in FIG. 7, the cover member 10 has a hinge member because the movable cover member 14 enters the inside of the protruding end portion of the fixed cover member 13 and maintains the contact state. 5 is not exposed, and the shaking movement due to the earthquake can be absorbed without the cover member 10 being damaged.

  In the embodiment of the present invention, the joint device according to the present invention has been described as a wall surface joint device that covers the joint portion between the wall surfaces, but the joint device according to the present invention covers the joint portion between the ceilings. It may be used as a device.

  Further, the movable cover member is formed with an arc portion that substantially overlaps the locus of the circumference when a circle is drawn from the hinge portion of the hinge member with the protruding end portion of the fixed cover member as a radius. The arc portion may be formed in a polygonal shape that approximates the trajectory instead of the arc shape, and does not interfere with the fixed cover member, and the fixed cover member and the movable cover member are always substantially in contact with each other. You may form in the inclined surface shape which can be performed.

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

1, 1A: joint device, 2: joint portion,
3: one housing, 4: the other housing,
5, 5A: Hinge member, 6: Pivot,
7, 7A: Link member, 8, 8A: End joint plate,
9, 9A: joint plate, 10: cover member,
11: Pivot pin, 12: Spring,
13: fixed cover member, 14: movable cover member,
15: Bar member.

Claims (3)

A joint device for closing a joint portion between left and right housings, each of which is provided on each of the left and right housings via hinge members and has a plurality of pivot portions, and pivot portions at left and right ends of the link members Alternatively, a pair of left and right end joint plates attached to either of the hinge members, at least one joint plate provided between the pair of left and right end joint plates, and the hinge member outside the joint portion. The cover member is configured to cover so as not to be exposed to the side, and the cover member includes a rigid fixed cover member provided on the left and right housings, and a movable end portion of the fixed cover member inward. consists of a pair of left and right end joint plate to the movable cover member of the hard respectively provided as the fixed cover member, the portion that protrudes toward the center of the joint portion is formed in a plate shape Together are, the movable cover member, said extending as its movable end portion inwardly of the fixed cover member enters, and, even when the end joint plate the hinge member to the fulcrum is pivoted The joint device according to claim 1, wherein the joint device is formed in a shape capable of maintaining a state in which the movable end portion enters the inside of the fixed cover member. The joint device according to claim 1, wherein at least a part of the movable cover member is formed in an arc shape. The joint device according to claim 1, wherein the fixed cover member and the movable cover member are made of metal.

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