JPH0240161Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to an expansion joint that closes the gap formed between adjacent building frames, and is particularly concerned with an expansion joint that closes a gap formed between adjacent building frames. Regarding the expansion joint attached to the part where the

The purpose of this invention is to improve the structure of the part that is attached to the top of the roof, to provide an expansion joint that can be installed reliably and labor-savingly, and has good watertightness. It is in. Note that this structure is also applied to the part that is attached to the roof top surface if the other building frame side also has a roof top surface.

Next, the first embodiment of the present invention is shown in FIGS. 1 and 2.
To explain according to the figure, 1 in the figure is attached between the roof (parapet) W of a building frame and the wall W' of the other building frame adjacent to this building frame to shield the gap T. An expansion joint 1 (hereinafter simply referred to as a joint), which connects a plurality of roof fixing members 2 disposed on the top surface A of the parapet W and the roof fixing members 2 facing each other. It is composed of a wall fixing member 3, an engaging member 4, and a cover member 7, which are arranged on the other wall W'.

This roof fixing member 2 is formed into a single length and is disposed at predetermined intervals along the top surface A of the parapet (also referred to as the frame) W, with mounting pieces that are slightly inclined downward inward (left side in the figure). 2A, and a vertically hanging piece 2B is formed at the right end (outer end) of the same piece 2A in the drawing, and a vertically hanging piece 2B is formed at the left end (inner end) of the mounting piece 2A at a predetermined angle α. An open engagement piece 2C is formed and has a substantially Z-shaped cross section. Also,
An engaging portion 2D that engages with the draining member 8 is formed at the upper end of the upper hanging piece 2B, and a locking protrusion (also referred to as a locking portion) having a substantially hook-shaped cross section is formed on a part of the outer surface of the piece 2B. 2E is formed. Further, the mounting piece 2A has elongated mounting holes 2F and 2F formed therethrough, and a receiving convex portion 2G is formed at the inner end of the upper surface thereof.

Reference numeral 3 denotes a wall fixing member (also referred to as the other fixing member) that is fixed to the wall W' surface in correspondence with the roof fixing member 2, and the upper end of the mounting piece 3A has a substantially outward facing part. A hook-shaped engagement piece 3B is formed, and the lower end of the attachment piece 3A horizontally extends outward, and furthermore, a support piece 3C projects obliquely upward.
A locking protrusion (also referred to as a locking portion) 3D having a substantially hook-shaped cross section and engaging with the spring member 6 of the engagement member 4 is formed on the support piece 3C.

Both fixing members 2 and 3 thus formed are attached at a predetermined interval corresponding to the top surface A of the parapet W and the wall W' surface.

Reference numeral 8 denotes a long drainage member that is attached to the roof fixing members 2 to 2, and is made of extrusion molded light alloy material such as aluminum or synthetic resin.In the cross section of this drainage member 8, Reference numeral 8A is a web (also referred to as a one-sided web), which is provided inwardly at a predetermined inclination angle and downwardly inclined, and at its inner end is provided with a water section 8B that hangs down at a predetermined length. A projecting piece 8C that engages with the end of the illustrated engaging piece 2C is formed at the lower end of the section 8B, and can be engaged with the lower end corner of the engaging piece 2C on the right end surface of the lower end side of the water section 8B as shown in the figure. Engagement surface 8D with approximately serrated cross section
is formed along its longitudinal direction. Also,
A supporting piece 8E is provided vertically on the outer end of the web 8A, and an engaging portion 2 formed at the upper end of the upper hanging piece 2B of the roof fixing member 2 extends outward.
An engagement piece 8F having a substantially hook-shaped cross section is formed to engage with the support piece 8E, and a dovetail groove 8G into which the airtight member 10 is fitted is formed along the longitudinal direction on the inner surface of the upper end of the support piece 8E. has been done. The drainage member 8 formed in this way has an engaging piece 8F that is connected to the roof fixing member 2 to
At the same time, the projection piece 8C at the lower end of the water cutter 8B is engaged with the lower end of the engagement piece 2C, so that the water cutter member 8 is connected to the roof fixing members 2 to 2.
In between, it is attached almost along the shape and in a shielding manner. In addition, when this draining member 8 is engaged, the entirety thereof, especially the water section 8B, is formed to be elastically deformable, and it is also possible to engage with the engagement piece 2C via the engagement surface 8D. It is.

Reference numeral 4 denotes an engaging member of the above-mentioned joint 1, which is elastically engaged between the roof fixing member 2 and the wall fixing member 3, and also elastically engages the cover member 7, and is made of a spring steel plate or a stainless steel plate. The board member 5 and the spring member 6 are bent and formed.
It is composed of.

5 is the above-mentioned substrate member, and the cover member 7
5A is a base web having a predetermined width, that is, a width slightly longer than the illustrated gap T and capable of coping with the expansion and contraction of the building, and both ends of which are bent at a predetermined angle β. A locking edge 5B is formed,
The entire substrate member 5 is formed to be elastically deformable.

Reference numeral 6 denotes a spring member which is elastically engaged between the roof fixing member 2 and the wall fixing member 3, and the horizontal mounting web 6A has hook-shaped engagement portions having substantially similar shapes at both ends thereof. 6B, 6B' are formed and the engaging portion 6
B is formed large. That is, web 6
The end of A is bent downward to form supporting parts 6C, 6C', and the same end is formed with folded parts 6D, 6D' in a V-shape (not shown), and an engagement edge is provided at the tip of the end. 6E, 6E' are formed and the mounting web 6A
Hook-shaped engaging parts 6B, 6B' are formed at both ends of the parapets W, W' when the member 6 is elastically engaged between the roof fixing member 2 and the wall fixing member 3. , is formed so that it can be elastically deformed in response to expansion and contraction in the left and right directions.

The spring member 6 formed in this way is integrally formed by point welding or the like, with its mounting web 6A abutting against the lower surface of the base web 5A of the substrate member 5 on the right side in the drawing from the approximate center thereof, and the end surface shown in the drawing. An engagement member 4 having a substantially π-shape is formed, and the entire engagement member 4 is formed to be elastically deformable. In addition, holes 5C, 5C of a predetermined diameter are provided in the substrate member 5 at a portion above the folded portion 6D of the spring member 6, and a folded piece of the free end side of the folded portion 6D also has a predetermined diameter. A hole 6F is provided through the hole 6F.

The engagement member 4 formed in this way is resiliently attached by inserting the spring member 6 between the roof fixing member 2 and the wall fixing member 3. Prior to this attachment,
An airtight member 10 is fitted along a dovetail groove 8G formed in the draining member 8. The elongated cover member 7 is engaged via the substrate members 5 to 5 of the plurality of engaging members 4 that are thus elastically attached.

7 is the long cover member described above, which is made by extrusion molding a light alloy material such as aluminum, and in its cross section, 7A is a web,
It has a slight horizontal part on the wall W' side and is formed in a slightly downward slope toward the roof W side, and an edge piece 7B that hangs downward and also serves as a drain is provided at the end of the edge piece 7B.
A protruding piece 7C that protrudes to the right side in the figure is provided on a part of the inside surface of B, and the protruding piece 7C
A part of the locking surface 7 has a substantially sawtooth cross section facing upward.
A locking protrusion 7D having E is formed. Furthermore, an engaging piece 7F having a substantially hook-shaped cross section is provided at the end of the wall W' side of the web 7A, and is provided with a hanging protrusion corresponding to the edge piece 7B. 7
A locking surface 7G having a substantially sawtooth cross section is formed corresponding to the locking surface 7E formed at D. Also, web 7
A part of the horizontal part of A is provided with an upper hanging piece 7H that faces the wall W' at a predetermined distance, and a dovetail groove in which the airtight member 10' is fitted is provided on the side surface of the wall at the upper end thereof. 7J is formed, and a part of the same piece 7H has an engaging piece 7K that engages with the engaging piece 3B of the fixing member 3.
is formed. Further, protrusions 7L and 7M are formed on the lower surface of the web 7A along its longitudinal direction to separate the engagement member 4 from the substrate member 5 by a predetermined distance.

The cover member 7 formed in this manner has its upper hanging piece 7H opposed to the wall W' and its engaging piece 7K.
is engaged with the engaging piece 3B, and the airtight member 10' fitted in the dovetail groove 7J is in contact with the wall W'. The water section 7 of the cover member 7 elastically attached in this way
The lower end portion of B has a predetermined distance L1 from the web 8A of the draining member 8, and is also engaged with the support piece 8E with a predetermined distance L2 from both main bodies W,
It is installed in a shielding manner between W′.

In addition, 20 in the figure is a water stop plate provided in a curved manner along the space between the frame bodies W and W'.

Next, the operation and effect of the first embodiment configured as described above will be explained.

Now, in this example joint 1, a gap T formed between one building frame having a parapet W and a wall W' of the other building frame adjacent thereto is formed between each of the parapet W and the wall W'. Each fixing member 2,
The roof fixing member 2 disposed on the parapet W is mounted upward on the outer end of the mounting piece 2A along the roof top surface A. An upward hanging piece 2B is provided, and an engaging piece 2C that hangs downward is provided at the inner end.
The roof fixing member 2 is provided with a long drainage member 8 having a substantially Z-shaped cross section and a web 8B that slopes downward inwardly along the shape of the fixing member 2. Locking protrusions 2E and 3D are elastically engaged with the ends of the hanging piece 2B and the engaging piece 2C, and are formed on the roof fixing member 2 and the other wall fixing member 3 opposite thereto. A substantially π-shaped engaging member 4 consisting of a spring member 6 that is elastically engaged with the spring member 6 and a substrate member 5 attached to the spring member 6 is provided, and the substrate member 5 of the engaging member 4 is disposed. There is a long cover member 7 mainly composed of a web 7A that can cover the gap T.
The cover member 7 is elastically engaged with the edge pieces 7B and 7F of the cover member 7.
edge piece 7B on the parapet W side having a roof top surface A of
The structure is such that it faces above the web 8B of the draining member 8. Therefore, even if the gap T on the parapet W side expands or contracts due to fluctuations, the spring member 6 of the engagement member 4 elastically deforms and absorbs the expansion or contraction, and the cover member 7 can be held stably and the shielded state of the gap T can be maintained. In particular, the treatment of rainwater etc. is a problem, but the base plate member 5 of the engaging member 4 is formed to be slightly longer than the width of the gap T and has a width that can cope with the expansion and contraction of the building, and the base member 5 of the engaging member 4 is formed with a width that can cope with the expansion and contraction of the building. The cover member 7, which is provided with a retaining edge 5B and elastically engaged with the base plate member 5 in a crown shape, extends inward from the upper hanging piece 2B of the roof fixing member 2, and has an edge piece 7B that engages with the retaining edge 5B. Since rainwater is sufficiently drained by the edge piece 7B, an elongated draining member 8 elastically attached to the roof fixing member 2 is provided below the edge piece 7B, and this draining member The supporting piece 8E formed at the end of the one-sided web 8A of 8 is the edge piece 7B of the cover member 7.
The upper end side of the support piece 8E is located on the lower surface of the cover member 7, and the water section 8B provided on the inside of the one-sided flow web 8A hangs down corresponding to the inside surface of the parapet W. As a result, rainwater can be actively drained, and the amount of rainwater that permeates into the parapet W can be significantly reduced, thereby improving watertightness.
In addition, by arranging the roof fixing member 2 and the wall fixing member 3 on the frame bodies W, W', the joint 1 can easily be assembled with the other members, the draining member 8, the engaging member 4, and the cover member 7. Since they are all based on elastic fastening, they have many advantages, such as being able to be installed extremely labor-savingly without requiring any other special fastening members.

Next, the second embodiment of the present invention is shown in FIGS. 3 and 4.
This will be explained according to the diagram. The joint 11 of this second embodiment is a parapet W1, W'1 formed between the roofs of adjacent buildings, for example, on the roof of the building.
A joint 11 that shields a gap T1 formed between the plurality of pairs of roof fixing members 12 and 13 and an engaging member 1.
4, a cover member 17, and draining members 18 and 19. In this embodiment, the structure improved in the present invention is applied to both parapets W1 and W1.
1' shows an example in which the structure is applied to both parts. Therefore, the roof fixing member 12 is also the other fixing member with respect to the roof fixing member 13, and the roof fixing member 13 also has the same characteristics.

The roof fixing members 12, 13 and the draining members 18, 19 are formed in the same shape as the roof fixing member 2 and the draining member 8 of the first embodiment, and the roof fixing members 12, 13 are attached to the parapets W1, W'1. top surface A
The roof fixing members 12 to 12 and the other fixing members 13 to 13 (or the roof fixing members 13 and the other fixing member 12) each have a long Drain members 18 and 19 are elastically engaged. Further, the engaging member 14 consists of a substrate member made of the same material as in the first embodiment and a spring member 16, and the engaging portions 16B formed on the left and right sides of the mounting web 16A of the spring member 16 have a symmetrical shape. It is fixed to the lower surface of the substrate member 15 at approximately the center thereof by spot welding or the like. The cover member 17 is formed by extrusion molding a light alloy material such as aluminum, and is formed into a long length, and its web 17A is inclined downward at a predetermined angle in the left and right direction to form a mountain shape as shown in the figure. The width dimension of this web 17A is such that it covers the gap T1 between the parapets W1, W1' and extends from the upper hanging pieces 12B, 13B of the fixing members 12, 13 in the left-right direction (inward direction) as shown in the figure. It is formed in a width dimension that can cope with the expansion and contraction of ', and edge pieces 17B of a predetermined length are vertically provided at both ends thereof. Further, at the lower end of this edge piece 17B, a locking edge 15B of the board member 15 is provided.
A projection piece 17C that engages with the edge piece 17B is formed at the lower part of the inner surface of the edge piece 17B, and an engagement surface 17D having a saw blade shape in cross section is formed along the longitudinal direction thereof. The cover member 17 formed in this way is connected to the parapets W1 and W through the plurality of engaging members 14.
It is elastically engaged continuously in a shielding manner in the gap T1 between 1' and is engaged in an overhanging manner in the left and right direction as shown in the figure. Therefore, this second embodiment also provides the same effects as the first embodiment.

Now, in the present invention, a gap formed between one building frame having a roof top surface and another building frame adjacent thereto is fixed to a fixing member fixed to each of the building frames. An expansion joint that closes the gap by shielding it with a cover member that is movably attached to each fixing member via an engaging member attached to the roof, and the roof fixing member disposed on the roof side is attached to the roof. A vertical piece that rises upward is provided at the outer end of the mounting piece along the top surface, and an engagement piece that hangs downward is provided at the inner end to form a short length, and the same fixing piece is attached to this roof fixing member. A long drainage member with a substantially Z-shaped cross section and a one-sided web that slopes downward inward along the shape of the member is elastically attached to the ends of the upper hanging piece and the engaging piece of the fixing member, and is suitable for this roof. An approximately π-shaped engagement member consisting of a spring member that is elastically engaged with a locking portion formed on a fixing member and the other fixing member provided opposite thereto, and a substrate member attached to the spring member. A long cover member mainly composed of a web for shielding the gap is elastically engaged with the base member of the engagement member, and an edge piece on the frame side having the roof top surface of the cover member is elastically connected to the base member of the engagement member. By configuring the draining member to face above the one-sided flow web, even if the gap in the roof of the building frame expands, expands or contracts due to fluctuations, the engaging member elastically deforms and expands or contracts. The cover member can be stably held by absorbing the shrinkage, and the gap between the frames can be maintained in a shielded state. In addition, the cover member extends inward from the rising part of the roof fixing member, and has an edge piece hanging thereon, and the fixing member has a one-sided web that follows the shape, a water cutter, and a water return piece. Since the surface side of the roof fixing member is shielded by elastically anchoring a drainage member with a roughly Z-shaped cross section, rainwater is actively drained, and the amount of rainwater that permeates into the roof is significantly reduced, improving watertightness. can do. In addition, by arranging the roof fixing member and the other fixing member on each other's frame, the drainage member, engagement member, and cover member are all assembled by elastic attachment, so there is nothing special about it. Installation can be carried out extremely labor-savingly without requiring additional fastening members.

[Brief explanation of the drawing]

1 and 2 show a first embodiment of the present invention, FIG. 1 is a longitudinal sectional view, FIG. 2 is a perspective view of an engaging member, and FIGS. 3 and 4 are a second embodiment of the present invention. An embodiment is shown, with FIG. 3 being a longitudinal sectional view and FIG. 4 being a perspective view of the engaging member. 1, 11... Expansion joint,
2, 12... Roof fixing member, 3... Wall fixing member (other fixing member), 13... Roof fixing member (other fixing member), 2A, 12A, 13A... Mounting piece, 2B, 12B, 13B...Upper hanging piece, 2C,
12C, 13C...Engagement piece, 2D, 3D, 12
E, 13E... Locking protrusion (locking part), 8, 18,
10... Draining member, 8A, 18A... Web (unilateral flow web), 4, 14... Engaging member, 5, 15
... Board member, 6, 16 ... Spring member, 7, 17
...Cover member, 7B, 17B... Edge piece, W,
W', W1, W'1...Structure, T, T1...Gap.

Claims (1)

[Scope of utility model registration request] An engagement in which a gap formed between one building frame having a roof top surface and another building frame adjacent thereto is attached to a fixing member fixed to each of the building frames across this gap. An expansion joint that closes the gap by shielding with a cover member movably attached to each fixing member via a member, and the roof fixing member disposed on the roof side is attached along the top surface of the roof. A vertical piece that rises upward is provided at the outer end of the piece, and an engagement piece that hangs downward is provided at the inner end to form a short length. A long drainage member having a substantially Z-shaped cross section and a one-way web tilting inwardly downward is elastically engaged with the ends of the upper hanging piece and the engaging piece of the fixing member, and the roof fixing member and the corresponding A substantially π-shaped engagement member is provided, which includes a spring member that is elastically engaged with a locking portion formed on the other fixing member, and a substrate member that is attached to the spring member. A long cover member mainly composed of a web that shields the gap is elastically engaged with the base plate member of the engagement member, and the edge piece of the cover member on the frame side having the roof top surface is connected to one side of the draining member. Expansion joint designed to face upwards of the web.