JPS6080643A - 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] (Technical Field) This invention relates to the construction of two integral parts of two adjacent buildings.
For example, it relates to expansion joints that fit angles and walls, fireflies and ceilings, floors and statues, walls and roofs, etc., and concerns earthquakes, ground subsidence, building expansion, and structural damage.

(Prior art) Conventionally, a pair of fixing members are arranged on the frame surface of both integral parts, and both ends of a spring member for holding the cover member are secured to these fixing members. There is something. In this case, when there is a large fluctuation in both the jaw bodies by one inch, a problem may arise in which the spring member comes off from the fixed member.

(Object of the Invention) In view of the above-mentioned conventional problems, an object of the present invention is to fix both ends of the spring member without disposing a fixing member on the body surface of both spoon bodies. It is possible to eliminate separation, and even when there is a large fluctuation in both deceptive bodies, the cover member can be held well in response to this,
It is an object of the present invention to provide an extractor that can improve airtightness and watertightness.

(Sei Sakaki of the invention) Therefore, in this invention, both ends have mounting portions that are fixed to the construction surfaces of the frame surfaces Km-A and h of both the corner bodies of the two adjacent buildings, and a spring member that elastically expands and contracts in response to fluctuations in both the building blocks; a board member that is provided at the center of the side path on the surface of the spring member and is elastically deformable;
- side is engaged with one of the attachment parts of the spring member, and the other side is engaged with the base plate member, and a cover member that closes the gap between the two threatening bodies is used to form an extension unit. It is something.

(Example 1) In FIGS. 1 and 2 showing Example 1 of this invention, -
An expander joint 1 is shown that connects the ring bodies (wall-to-wall, wall-to-ceiling, or floor-to-wall) K11 and K2 of both buildings that are in contact with each other. This joint is mainly composed of a spring member 2, a base plate member 16, and a cover member 22.

The spring member 2 has 1. 1a+K on the 2nd frame surface
It has attachment parts 6.4 at both ends that span over 2a and are fixed to 1aIK2a on these drawing body surfaces, and can be elastically deformed (expanded, contracted, twisted, etc.) in response to fluctuations in both bodies 1 (1, 2). ), and a receiving part 6 for securing a base plate member 16 is formed above the top part 5 of the W-shape. A holding part 9 that tiltably holds one end of the base member 16 (the left end in FIG. 1) is formed at the base of the mounting part 3, and a cover retaining part 10 is formed at the tip of the mounting part 3. In Embodiment 1, as shown in FIGS. 1 and 2, the spring member 2 is mainly composed of two left-right symmetrical spring plates 2a and 2b in the shape of a square square, and these are The upper portions of the opposing disc portions of the spring plates 2a, 2b are fixed 11 in the shape of palms together by rivets, pins, spot welding, etc. to form an integral body. The receiving part 6 for securing the board member 16 is formed in a substantially U-shape with an upward opening, and locking claws 6a are formed on both sides of the opening of the receiving part B. At the lower ends of the joints of the spring plates 2a and 2b, a j placement part 5 is formed via a radius, and at the tip of the folded part of the Okaya part 7.8 that continues to the lower end of the top part 5, leg pieces 2c and 2d are formed.
are each extended. And both leg pieces 2c, 2d
At the tip of the screw 12.
Attachment portions 3 and 4 are formed to be fixed by means such as 13, and the rigidity of these attachment portions 5.4 is increased by means of lips 3a, 4a and the like. Further, a horizontal U-shaped holding part 9 that tiltably holds the base end of the substrate member 16 is formed at the base of one of the mounting parts 3.4.
A retaining claw 9a is formed on both sides of the opening. Furthermore, a hook-shaped cover retaining portion 10 that engages with one side of the cover member 22 is formed at the tip of the attachment portion 3 . Also,
The position of the receiving portion 6 of the spring member 2 before the base plate member 16 is attached is located further inward (downward) by a predetermined value than when the base plate member 16 is attached. The cover member 22 is attached to the other frame surface through the end plate member 16.
A spring force is set in the spring member 2 to bias it toward the direction a. Furthermore, when the spring member 2 elastically deforms and expands and contracts, the movement of the top 5 in the internal and external directions (vertical direction) is set to a small value. One place θi Kosho (the radius of curvature of 8, 9 is actively formed to be large, and Okaya part 7, 82 both leg pieces 2c,
2eL are formed with bent portions 2θ and 2f where stress is concentrated, thereby preventing the cover member 22 from floating up relative to 2a on the body surface.

In addition, when the spring member 2 is arranged on both wheel body surfaces 1a and 2a, synthetic resin, rubber, etc. The water stop plate 15 may be disposed by sandwiching both ends of the water stop plate 15. Also, 1. If 2 is the inner wall and inner 4J, and the ceiling and ceiling,
The water stop plate 15 may not be provided.

The base plate member 16 is formed of a flat strip-shaped spring material that can be elastically deformed, and at a predetermined position of the lower part U111 there is a first retainer of an arrowhead type that is layered on the receiving part 6 of the spring member 2. 17 capital cities have been formed. Further, at the base end (left end in FIG. 1) of the base plate member 16, there is a second locking part 18 in the shape of an arrowhead, etc., which is tiltably fitted into the holding part 9 formed on the spring member 2. It is formed. A cover locking portion 19 for locking the other side of the cover member 22 is formed at the distal end of the base plate member 16 in a downwardly sloping shape. Furthermore, when the cover member 22 is pushed into the plate member 160 toward the force bar locking portion 19 and the cover member 22 is locked by the locking portion 19, the tip of the base plate member 16 touches the other body surface. In order to prevent bending and deformation toward 2a, a deflection preventing piece 20 is formed on the other body surface of the tip of the base plate member 16, and abuts at right angles to 2a or the mounting portion 4 of the spring member 2. There is.

1 for both assemblies. The cover member 22 that closes the gap S between the two is
It is formed by extrusion molding of aluminum alloy, bending of metal plate material, etc., and has 1a on both wheels.

It is formed in a cross-sectional shape along K2a.

On the back side of the other side (horizontal side) 22A of this cover member 22 is a rest surface 23 that engages with the cover locking portion 19 of the base plate member 16.
A fitting part 26 is formed at the tip of the other side 22A, and a fitting part 22a having a reed groove for fitting the packing 24 that comes in close contact with 2a is formed on the other ri body surface. . Incidentally, an engaging part 23 that engages with the cover engaging part 19 may be formed in 1tllll of the engaging parts 22a.

At the tip of one side 22B of the cover member 22, a fitting part 22b having a cage IN for fitting the Nonosokin 25 in close contact with 1a is formed on one body surface.
On the side surface of the spring member 2, there is a retaining edge 26 facing the mounting portion 6 of the spring member 2 so that it can be secured to the cover retaining portion 10 formed in M.
is formed.

In Embodiment 1 configured as described above (1), when the values 1 and 2 fluctuate in both assemblies, the spring member 2 is elastically deformed in response to this fluctuation, and the spring member 2 is expanded and contracted, and the spring member 1 is twisted. ,
The substrate member 16 bends or is elastically deformed using the holding portion 9 of the spring member 2 as a fulcrum. Then, the cover member 22 has its -
9, it moves in a circular motion vJ (tilting, sliding, etc.) in the direction of both brains 1a and 2a, which effectively prevents deformation and damage to the member 22. be done.

Further, the mounting portions 6 and 4 of the spring member 20 are mounted on both integral surfaces.
Since 2a is fixed to 2a, even when there is a large variation in 2 to both assemblies 11, to these skeletons Kj, [2,
The spring member 2 is prevented from coming off.

(Embodiment 2) Next, in FIG. 5 showing Embodiment 2 of this invention, an expansion joint 1 is shown that connects the walls (walls, roofs, etc.) K1 and K2 of both adjacent buildings. At this joint 1, 1. 2 to 1 body to 1
The spring member 2 and the substrate member 16 disposed astride 2a are substantially the same as those in the first embodiment. However, in this Embodiment 2, the cover locking part 19 formed at the tip of the base plate member 16 is opposite to the outer surface of the other body (roof, etc.) K2 with a predetermined gap between it and 2b. , the opposing gap is formed in an inclined shape that gradually widens from the upper end to the lower end.

1 on both wheels. The cover member 22 that covers the Ranma S between the two spaces is
On the bottom surface of the other side (horizontal side) 22A, the other! l11i
S4'' (W Nehiro) Transfusion of K2...] (Top surface) A fitting part 22a having a groove for fitting the packing 24 that is in close contact with K2a is formed, and the tip of the other side 22A is formed with the fitting part 22a. A side edge 22c facing 2b with a predetermined gap is formed on the outer surface of 2 on the frame.
A locking portion 23 having a locking surface 23a that locks with the cover locking portion 19 of the shield plate member 160 is formed at the lower end portion c. In addition, a fitting part 22b for the packing 25 is provided at the tip of one side 22B of the cover &ll material 22 in the same way as in the first embodiment.
An engagement edge 26 corresponding to the cover retaining portion 1o of the spring member 2 is formed.

Note that the water stop plate 15 is arranged in the same manner as in the first embodiment.

The device 2 constructed as described above operates in substantially the same manner as in the first embodiment.

In each of the above embodiments, the receiving portion 6 of the spring member 2
was formed into a substantially U-shape with an upward opening, and the first locking portions 17 of the eight-plate member 16 layered on the receiving portion 6 were formed in the shape of an arrow, but as shown in FIG. The receiving portion 6 of the spring member 2 may be formed in the shape of an arrowhead, and the first retaining portion 17 of the base plate member 16 may be formed in the shape of an inverted U. Further, as shown in the figure, the holding part 9 formed on one attachment part 3 of the spring member 2 is formed in an arrow shape, and the second holding part 18 formed at the base end of the base plate member 16 may be formed into a horizontal U-shape. Furthermore, the receiving part 6 of the spring member 2, the holding part 9, and the first part of the base plate member 16 are further provided.
The second locking portions 17 and 18 are formed as separate members, and each member 2
．． 16, respectively.

Further, in each of the above embodiments, the base plate member 16 was attached to the spring member 2 by engaging the receiving part 6 and the locking part 17, but as shown in FIG. )2
9 may be used to attach the base plate member 16 to the spring member 2. Furthermore, as shown in FIG. 6, the spring member 2 and the base member 16 may be integrally formed by extending the base member 16 from the upper end of the top portion 5 of the spring member 2. Further, as shown in the figure, a locking pawl 10a is formed on the cover retaining portion 10 formed at the tip of one of the attachment portions 6 of the spring member 2, and a locking claw 10a is formed on the cover retaining portion 10, so that the cover retaining portion 10 facing A locking surface 27 having a sawtooth cross section that locks with the locking pawl 10a may be formed on the back surface.

Further, as shown in FIG. 7, a substantially U-shaped cover locking portion 19 for locking the cover member 22 may be formed at the tip of the base plate member 16. Furthermore, as shown in Figure 8,
The tip side of the substrate member 16 may be brought into contact with the upper surface of the mounting portion 4 of the spring member 2, and an inverted V-shaped cover locking portion 19 for locking the cover member 22 may be formed at the tip of the substrate member 16. good.

Further, in the above embodiment, the spring member 2 has a spring force that biases the cover member 22 toward the other integral surface 2a via the base plate member 16, but the present invention is not limited thereto. Alternatively, the base plate member 16 may be provided with a spring force that causes the entire l111 body of the cover member'22 to be held in contact with the cover member 2a. However, the spring member 2 is not limited to a substantially W shape; for example, the spring member 2 may be formed into a substantially U-shape, and the mounting portions 3.4 may be formed at both fA1'a portions of the U-shape. , a receiving portion 6 for the substrate member 16 may be formed in the center of the U-shape.

(Effects of the Invention) That is, according to the present invention, even when the fluctuations of both parts are large, both the spring member and the base member can be elastically deformed in response to the fluctuations, so that the The cover member can move smoothly (tilting, sliding, etc.), and damage to the cover member can be further prevented compared to the case where the cover member is held only by a spring member.

Furthermore, when installing the cover member, one side of the cover member is
This can be easily done by engaging one of the attachment parts of the spring member and the other side being engaged with the substrate member, and it is also possible to improve the rain protection and the appearance.

Moreover, according to the present invention, unlike the conventional case, it is possible to eliminate the need to provide fixing members for the spring members on both body surfaces,
By fixing the mounting parts at both ends of the spring member, it is possible to prevent the spring member from separating from the frame even when the tbh of both bodies is large, so the cover member can be kept in good condition at all times. It is possible to improve the air resistance and water resistance by holding the structure, and the structure can be made into M4, which has the effect of reducing manufacturing and construction costs.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention; FIG. 1 is a cross-sectional view showing the extension of the first embodiment; FIG. 2 is a perspective view showing a state in which the spring member and the substrate member are separated;
FIG. 5 is a cross-sectional view showing the extension joint of Example 2, and FIG. A side view showing a modification example of the second image body stop, 5th
The figure is a side view showing how the spring member and the board member are connected by bolts and nuts, Fig. 6 is a cross-sectional view showing the extension joint in which the spring member and the board member are integrated, and Fig. FIG. 7 and FIG. 8 are sectional views showing different examples of the cover locking portion of the base plate member, respectively. 1... Expansion unit 2... Spring member 3.4... Mounting part 10... Cover retaining part 16... Board member 19... Cover engaging part 22... One side bar Member 23... Attaching portion 26... Applicant: Riken Light Metal Industry Co., Ltd. Representative: Patent attorney Oka 1) Hidehiko

Claims (1)

[Claims] A spring member having mounting portions at both ends that spans the frame surfaces of both frame bodies of the corner portions of both adjacent buildings and is fixed to these frame surfaces, and elastically expands and contracts in response to fluctuations of both frame bodies, and this spring member. A board member is provided at the center of the side path on the surface of the member and is elastically deformable, and the - side is engaged with one attachment part of the ftfl fB spring member, and the other side is engaged with the board member, so that a connection between the two parts is established. An expansion joint characterized by being made up of a part of the hip that fills the gap in the bladder.