JPS59138639A - Expansion joint - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an extension joint that connects the corner of two adjacent buildings, for example, a floor and a wall, a wall and a wall, a ceiling and a wall, a roof and a wall, etc.

Conventionally, this type of angle extrusion has had the problem of being more complex in structure and more difficult to assemble than those for flat surfaces.

In view of the above reasons, an object of the present invention is to provide an expansion engine which has a simple structure and can improve assembly work.

An embodiment of the present invention will be described below with reference to the drawings.

The frame (floor and wall) at the corner of both adjacent buildings K1.
In FIG. 1, which shows the first embodiment of the first embodiment of the invention, a long length is fixed to one of the building blocks by a predetermined number of mounting members 4 on the building body surface of 1a. Member 2 is fixed. The mounting member 4 is welded or fixed with screws to an anchor port 6 protruding from 1a on the body surface, and the upper surface of the mounting member 4 is provided with a retaining portion 2 & formed at the lower part of the fixing member 2. Mounting piece 4
a is formed.

A projecting edge 2b having a cross-sectional shape is formed at one end (the right end in FIG. 1) of the fixing member 2, and one end of a water stop plate 7 made of synthetic resin, rubber, etc. is attached to the tip of the yellow-green 2b. Fitting part 2c to be fitted
, an engagement [2(l) that engages with the lower surface of the tip of the mounting member 4, and a protruding spring locking portion 8 are formed as shown in the figure.The tip 8a of the spring locking portion 8 is formed as shown in the figure. As shown in FIG. 3, the locking portion 8 has a triangular or arcuate cross section, and at least one side of the locking portion 8 has a locking surface 8b having a ζ-blade shape. Furthermore, the cutting edge of the locking surface 8b is formed with a large protruding dragon on the blade surface, and the retaining portion 8
c, which actively prevents the spring member 15 from coming off.

A gasket fitting part 2e is formed on the upper surface of the other end of the fixing member 2 to fit the left end in the figure of the gasket 10 disposed on the upper surface of the fixing member 2. The gasket 10 is made of synthetic resin, rubber, or the like, and is formed into an expandable hollow bellows shape.

A fixing member 5 is fixed to the frame surface 2a of the other body with screws 5, and the lower end of this leg member 5 has a hollow box-shaped cross section or the like extending toward one of the fixing members 2. A support portion 6f is formed. A protrusion #3b is formed at the lower end of the support portion 3f, and a water stop plate 7 is formed on the protrusion 6b between the support portion 3f and the support portion 3f.
A fitting portion 3o for fitting the other end, and a spring locking portion 9 that is symmetrical with respect to the spring locking portion 8 of the one fixing member 2 are formed. Further, a locking portion 5g having a roughly L-shaped cross section for locking the cover member 11 is formed at the upper end of the fixing member 3, and the locking portion 3g has an upwardly sloping shape. A locking portion 3h is formed.

1 in both bodies. A cover is formed in the shape of a member to close the gap S between the two. This cover member 11 is movably held with respect to one fixed member 2 by a spring member 13, which will be described later, and is tiltably locked with respect to the other fixed member 3K. One side (horizontal side) 11a of this cover member 11
A protruding spring locking portion 12 is formed at the center of the rear surface of the device, and a retaining portion 12 having a triangular or arcuate cross section is formed at the tip of the spring locking portion 12. Further, a gasket 1 is provided on the back side of the tip of one side 11a of the cover member 11.
A protruding edge 110 that engages with a retaining groove 10& is formed on the upper surface of the right end portion of FIG.

A retaining portion 11 (l) is formed on the rear surface of the tip of the other side (vertical side) 11b of the cover member 11 to engage with the locking portion 3gK of the fixing member 5 in a tiltable manner. 11(l) is formed with a downwardly inclined retaining portion 11e that slidably abuts against the locking surface 3h of the locking portion 3g. A fitting portion 11f is formed on the body surface of the housing 2a, into which a packing 17 is fitted in close contact with the housing 2a.

A spring member 13, which is disposed on the back side of one side 11a of the cover member 11 and holds the cover member so as to be movable along the upper surface of one of the fixed members 2, It is formed approximately in a W-shape so that it can be elastically expanded and contracted accordingly. A locking portion 14 that elastically locks with the spring locking portion 12 of the cover member 11 is formed above the top portion 130 of the spring member 130, and the ends of both leg pieces 13d, 1.56 of the spring member 15 are Locking portions 15.16 are formed which respectively elastically engage with the spring locking portions 8.9 of the fixing member 2.5.

Furthermore, the spring member 16 and the cover member 11 are attached to the fixing member 2.
In addition, when the spring member 13 is deformed, the amount of movement of the top portion 130 in the inner and outer directions (vertical direction) is set small.
The radius of curvature R of the top portion 150 of No. 6 is formed to be as large as possible.

In this embodiment, as shown in FIGS. 2 and 6, the spring member 13 is mainly composed of two left-right symmetrical substantially V-shaped spring plates 13L and 13b, and these spring plates 13m, The upper portions of the opposing inner plate portions 13b are fixed 18 in the shape of palms together by rivets, screws, spot welding, etc. to form an integral body. A locking portion 14 that locks with the spring locking portion 12 of the cover member 11 is formed at the upper end of the joint between both spring plates 13'a and 13b, and has a substantially U-shape. A locking pawl 14& is formed on both sides of the upper opening of the cover member 11 to be elastically engaged with the retaining portion 12& at the tip of the spring locking portion 12 of the cover member 11. A top portion 13e is formed at the lower end of the joint between both spring plates 13a and 13b via rounded surfaces 15h and 131, and valley portions 13f and 13 are continuous to the lower end of this top portion 1300.
Leg pieces 13d and 13e extend from the tip of the folded portion of g. At the tips of these leg pieces f3d and 13e, locking portions 15 and 16 are formed in a substantially inverted U shape to elastically lock the spring locking portions 8 and 9 of both fixing members 2 and 6. Part 1
At the lower opening of 5.16, locking claws 15a and 161L are formed to elastically lock the locking surfaces Qb and 9b of the spring locking portions 8 and 9 of both fixing members 2.6, or the flat side surfaces thereof. .

In the spring member 13 described above, from the locking portion 14 above the top portion 136 to the locking portions 15 at the tips of both leg pieces 13d and 13e.
1 (Height to S, as shown in Figure 3, the height in the free state is Hl, and the height of the spring locking part 1 of the cover member 11 is
2 and the locking portion 14 of the spring member 15 are set to have a relationship of 11>H2 (H1=H2+h), where H2 is the height when the locking portion 14 of the spring member 15 is engaged. Furthermore, the spring member 1
As shown in FIG. 3, the distance between the locking portions 15.16 at the ends of both leg pieces 13 (1,136) is Ll in the free state, and the distance between the spring locking portions 8.16 of both fixing members 2.3. Let L2 be the distance between 9, and let L2 be the distance when the spring locking portion 12 of the cover member 11 and the locking portion 14 of the spring member 13 are engaged.
3, Ll<L, 2(L3(L1+ff=L
2+β=L5) 1 ml'%7. That is, after the spring locking portion 12 of the cover member 11 and the locking portion 14 of the spring member 13 are attached to each other, the engaging portion 11tl of the cover member 11 is engaged with the locking portion 3g of the fixing member 3. By pressing the K spring member 13 together with the cover member 11 toward the spring locking portions 8.9 of both fixing members 2. It slides along the tips of the stop portions 8.9 @8a, 9aK, and due to this guiding action, the stop portions 1 at the tips of both leg pieces 13d, 131
4.15 are securely engaged with the spring locking portions 8, 9 of both fixing members 2.6. In this state, the cover member 1
The spring force that urges spring member 1 toward both fixing members 2°6 side
5, the edge 110 of the side 11a of the cover member is brought into close contact with the surface of the fixing member 2 via the gasket 10 under a predetermined pressure, while the retaining portion 11d of the other side 11b of the cover member is formed. The retaining surface 11e slides along the retaining surface 11h formed on the retaining portion 3g of the fixing member 3, and the gasket 17 on the other side 11b of the cover member is brought into close contact with the frame surface 2a under a predetermined pressure. . Furthermore, when the spring member 13 is elastically deformed and expands and contracts, the top portion 13c of the spring member 13 is expanded and contracted in the inner and outer directions (vertical direction).
In order to set the amount of movement to be small, the radius of curvature R of the top portion 130 is made as large as possible. Moreover, in order to further reduce the amount of movement of the top portion 130 in the inward and outward directions, both troughs 13f and 13g of the spring member 13 are formed into straight portions of a predetermined length at the lower end of the top portion 13c (this straight portion may be omitted). , and the top part 130 is also formed with a predetermined minimum radius of curvature, while stress is generated between the folded ends of these troughs 13f and 13g and the lower ends of both leg pieces 13-d and 13e. Concentrated bent portions 13j and 13k are formed.

Furthermore, in order to reduce the deformation load on the top 130 of the spring member 16, the width of the top 130 is made smaller than that of other parts, and a large number of through holes are formed at predetermined positions of the top 130. The deformation load on the bristle top portion 16 may be reduced.

In the first embodiment of Exbanshi India 1 constructed as described above, both parts K 1 .

When K2 fluctuates, the spring member 13 elastically deforms and expands and contracts in response to this fluctuation, while the cover member 11, while being held by the spring member 13, locks the locking portion 3g of the other fixed member 3. Since the one member 11 is tilted by the force acting as a fulcrum, deformation and damage to the cover member 13 are prevented, and both parts have 1. The gap S between the two is well sealed and maintained by the cover member 11.

Next, both parts (wall and wall or ceiling and wall at the corner)
K1. In FIG. 4, a second embodiment of the exvanshi adventurer 1 of the second embodiment is shown, in which a fixing member 2 is attached to one of the body parts 1a by a mounting member 4.
is fixed.

Note that a holding groove 4b and a protrusion 21 that are engaged with each other via a clip 20 or the like are formed between both ends of the surface of the mounting member 4 and the back surface of the fixing member 2 opposing thereto.

A projecting edge 2b having a cross-sectional shape is formed at one end of the fixing member 2, and a fitting part 2o for the waterstop plate Z and a spring are provided at the tip of the core projecting edge 2b in substantially the same manner as in the first embodiment. A locking portion 8 is formed.

A fixing member 6 fixed to the frame surface of 2 by screws 5 to 2a on the other frame, a cover member 11 closing the gap S between the two parts Kl, and this cover member 11 fixed to one side. The spring member 13 that holds the member 2 so as to be movable along the surface thereof is substantially the same as that in the first embodiment. However, in the embodiment shown in FIG.
There is a gasket 2 on the tip surface of e that is in close contact with the surface of the fixing member 2.
A groove-shaped fitting WIt2j into which the holder 1 is fitted is formed.

The Expansion Expansion 1 of the second dormitory embodiment constructed as described above operates in substantially the same way as the first embodiment.

Next, both parts (roof and wall) K1. In Fig. 5, which shows the extension 1 of the 5th dormitory example, which connects 2 to A support portion 2f, such as a hollow box-shaped cross section, is formed at one end of the fixing member 2. A fitting part 20 for the water stop plate Z is formed at the lower right side of the support part 2f in the figure, and a spring engages the locking part 2 that locks one side of the holder 26 for the draining member 22 at the upper right side. Stop part 8
are formed as shown in the figure. In addition, the support part 2f
A locking edge 2m that locks the other side of the holder 213 and a locking protrusion 2n that locks the upper edge 24a of the draining cap 24 are formed at the upper left side in the figure. Note that the draining member 22 is fixed to the upper surface of the support portion 2f of the fixed member 2 via a predetermined number of holders 23.

A fixing member 3 fixed to the other body frame surface of 2 with screws 5 to 2a, a cover member 11 that closes the gap S between the two parts [1, 2], and a cover member 11 that closes the gap S between the two parts. The spring member 15 that is movably held along the upper surface of the draining member 22 of the fixed member 2 is the 11j! It is almost the same as the example. However, in the embodiment shown in FIG. 1, a dovetail-shaped fitting groove 2 in which a packing 21 that closely contacts the upper surface of the draining member 22 is fitted to the tip surface of the protruding edge 11Q formed at the tip of one side 11a of the cover member 11.
j is formed.

The Expansion Expansion India 1 of the third embodiment configured as described above is the 15th! It has almost the same effect as the example. In addition, in the third dormitory example, the draining cap 24 and the draining member 22 were fixed to the fixing member 2 via the holder 26 or the holder 29, but the draining cap 24 and the draining member 22 could be fixed without using the holder 25. It may be fixed directly to the fixing member 2.

Next, both parts (roof and wall) K1. In FIG. 6, which shows the fourth embodiment of the exvanshi adventurer 1 of the fourth embodiment, a fixing member 2 is fixed to the body surface 1a of one body with screws 4. , a fitting part 2o for the water stop plate Z and a spring locking part 8 are provided at one end of the fixing member 2.
is formed. Furthermore, a support portion 2p is formed on the upper surface of one end of the fixing member 2, facing toward the back surface of the cover member 11, and a gasket 25 that is in close contact with the back surface of the cover member 11 is formed on the upper end portion of the support portion 2p. A fitting portion 2r to be fitted and a locking portion 2B for locking the upper edge 24a of the drain cap 24 are formed. Further, a support portion 2t for supporting the back surface of the water cutter cap 24 is formed approximately at the center of the upper surface of the fixed member 2,
A locking green 2u for locking the lower edge of the draining cap 24 is formed at the other end of the fixing member 2.

A fixing member 6 fixed to the other body frame 2 on the body frame surface 2a with screws 5, and 1. The cover member 11 that closes the gap S between the two and the spring member 16 that holds the cover member 11 movably along the upper surface of the drain cap 24 of one of the fixed members 2 are almost the same as in the first embodiment. It is. however,
In this dormitory 7A9i11, the ridge 11 (1) formed at the tip of one side 11a of the cover member 11 has a draining cap 24
A groove-like fitting groove 2j into which the packing 21 is fitted is formed in close contact with the upper surface of the holder. Furthermore, in this embodiment, a fitting part 3v is formed on the rear surface of the upper end of the other fixing member 3, into which a packing 26 that closely contacts 2a is fitted.

The extension unit 1 of the fourth embodiment constructed as described above operates almost in the same way as the first embodiment.

In each of the above embodiments, the fixing members 2 and 6, the cover member 11, the draining member 22, and the draining cap 24 may be formed by extrusion molding of aluminum alloy or the like.

Also, 1. The fixing members 2.3 disposed on the frame surfaces 1a and 2a of 2 are not limited to screws or attachment members, but may be fixed by other fixing means.

Further, in each of the above embodiments, the spring member 13 is mainly composed of two spring plates 13JL and 13b, but is not limited to this. For example, as shown in FIG.
Spring member 1 having a substantially W-shape mainly consisting of one spring plate
5 can also be configured. However, the locking portion 14 that locks with the spring locking portion 12 of the cover member 11 is
It can be formed by cutting and raising a part of the top part 15C, or it can be formed from a separate member.

Furthermore, as shown in FIG.
The locking portions 15.16 at the tips of the two leg pieces 13d and 13e may be formed into a hook shape, a piece shape, etc. that locks with the spring locking portion 8.9.

Further, as shown in FIG. 9, the spring locking portion 8 (9) of the fixing member 2 (6) is formed into an upwardly protruding shape, and the locking portion 15 at the tip of both leg pieces 13d (13e) of the spring member 13 (16) may be formed in the shape of a downward protrusion that elastically engages with the spring locking portion 8 (9), and further, as shown in the figure, the cover member 1
The spring locking portion 12 of the spring member 13 may be formed in a groove shape, and the locking portions 1 and 4 of the top portion 130 of the spring member 13 may be formed in a protrusion shape.

Further, as shown in FIG. 10, a spring member 16 is formed into a substantially V-shape, and a fixing member 2
A locking portion 15 that locks with the spring locking portion 8 may be formed, and a locking portion 14 that locks with the spring locking portion 12 on the back side of the cover member 11 may be formed at the other end.

Further, the shapes of the locking part 6g formed on the other fixing member 6 and the retaining part 11d formed on the other side 11b of the cover member 11 are not limited, and for example, as shown in FIG. As shown in FIG.
A protruding retaining portion 11d that tiltably engages with the locking portion 6g via a clip 27 or the like may be formed at the tip. Further, as shown in FIG. 12, a locking part 6g is formed at the upper end of the fixing member 6 with a predetermined space 28 in between, and the other side 11b of the cover member 11 is connected to a retaining part 11d.
It may also be inserted into the space 28 as a holder.

That is, according to the invention, there are two fixing members disposed on the frame at the corner of the adjacent art gallery, and a cross-section along the frame surface of the two parts, which is disposed on the surface side of these two fixing members. a cover member formed in an L-shape to close the gap between the two parts, and the cover member is attached to the back side of the cover member along the one body frame surface. A spring member is disposed for movably holding the fixed member,
The other side of the 1TiJ recording bar member along the other integral surface is tiltably locked to the other fixed member, and the spring member is connected to at least one of the fixed members. Expa resin inserts 1 are elastically attached to the cover members and sides, respectively.

Therefore, the cover member that closes the gap between the two body parts at the entrance corner is different from the case where the cover member is composed of two parts, a member along one body surface and a member along the other body body surface. By forming the cover member to have an L-shaped cross section along the body surface, the number of parts can be reduced and the structure can be simplified.

Moreover, a spring member is elastically attached to the powder of at least one of the fixing members disposed on both parts and the side of the cover member, and the other side of the cover member is fixed to the other side. By locking the member in a tiltable manner, the exhaust joint can be easily assembled to both parts, and the assembly work can be improved.

[Brief explanation of drawings]

The drawings show one embodiment of this invention, and FIG.
Figure 2 is a perspective view showing the spring member, Figure 6 is the spring locking part of the cover member, each stop part of the spring member, and the fixing member. 4 is a sectional view showing the expansion seal of the second embodiment; 51g1I is a sectional view showing the expansion seal of the sixth embodiment; FIG. 6 is a cross-sectional view showing the fourth embodiment of the Exbanshi Seal India, FIG. 7, FIG. 8, FIG. 9, and jl! Figure 10 is a side view showing other embodiments of the spring member, and Figure 11 is a side view showing other embodiments of the spring member.
Figures 1211' and 1211' are cross-sectional views showing other embodiments of the locking portion of another fixing member and the retaining portion on the other side of the cover member. 1... Expansion Girointo 2.3... Fixing member 3g... Locking part 8.9... Spring locking part 11... Cover member 11 (1... Holding part 12. ...Spring locking part 16...Spring member 14...Locking part 15.16...Latching part Applicant: Riken Light Metal Industry Co., Ltd. Representative: Patent Attorney Oka 1) Hidehiko, Figure 7 Figure 3] 3 Figure 1O

Claims (3)

[Claims] (1) Both fixing members disposed on the frame bodies at the entrance corners of both adjacent buildings; a cover member that is formed in a T-shape and closes the gap between the two parts, and the cover member is attached to the back side of the cover member along the one body frame surface, and the cover member is attached to the one fixing member. A spring member is disposed to movably hold the cover member, and the other side of the cover member along the other frame surface is tiltably locked to the other fixing member, and the spring member is An expansion centrifuge twint, characterized in that, of the two fixing members, at least one of the fixing members and the side of the cover member are each elastically engaged. ′ (2) The spring member is formed in a hollow W-shape, and a locking portion is formed at the top thereof to be elastically locked to a spring locking portion formed on the back side of the cover member, and the spring member is Claim 1, characterized in that locking portions that are elastically locked to spring locking portions formed at opposing ends of both fixing members are formed at both ends of the member. The exbansi group four india. (3) The spring member is formed in a V-shape, and a locking portion is formed at one end thereof to be elastically locked to a spring locking portion formed on the back side of the cover member side; Claim 1, characterized in that a locking part is formed at the other end to be elastically locked to a spring locking part formed at the end of the one fixing member. to.