JPH0124247Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an assembly device for an expansion joint for a building.

Conventionally, a device for assembling long structural members constituting an expansion joint for a building has a member fitting structure shown in, for example, Japanese Utility Model Application Publication No. 16508/1983. However, according to this structure, the components are assembled in a predetermined positional relationship with each other, so there is no freedom of assembly, and it is necessary to install the fixed component first with high precision. However, there was a drawback that it made the construction process more complicated.

Therefore, the purpose of this invention is to provide an assembly device that can obtain a degree of freedom in assembling the constituent members of an expansion joint for buildings, and that can simplify the construction work involved in assembling it. The goal is to provide the following.

In order to assemble the elongated structural members constituting the building expansion joint to each other, one of the structural members has an engaging recess extending outward in the longitudinal direction. The other structural member is provided with a long groove in which an engagement recess is formed along the longitudinal direction on the inner side and into which the protrusion is inserted, and the protrusion and its groove are provided. Clips are provided between the protrusions and the grooves into which the protrusions are inserted, and are spaced apart from each other in the longitudinal direction. Cutting and raising an inner locking piece that engages with the engagement recess of the protrusion through an elastic force on the side portion, and at the same time, an inner locking piece that engages with the engagement recess of the groove on the bent side portion of the same side plate through an elastic force. The gist is that the outer locking piece that engages with the groove is formed by cutting and raising it, and that the groove has a plurality of engagement recesses.

An embodiment of this invention will be described below with reference to the drawings. First, an outline of an expansion joint for buildings will be described with reference to FIG. 1, which shows an example in cross section. The expansion joint is
Corner wall 2 of the first building 1 and the second building adjacent to it
It is constructed on the flat wall 4 of the building 3, and closes the gap 5 between the two buildings 1 and 3. Fixing members 6, 6 are fixed to the corner wall 2 and the flat wall 4 with screws 7, respectively. The cover member 8 includes a spring member 1 which is appropriately arranged and installed between the left and right support members 9.
0 and the center are connected to each other, and the spring member 10 is installed so as to straddle the support members 9, 9 due to its elastic force. A water stop plate 11 is attached to the supporting members 9, 9.
is installed so as to cover the lower part of the spring member 10. The left and right support members 9, 9 are assembled to the fixing members 6, 6, respectively, by assembly devices 12 to 12, which will be described in detail below. In addition, in the figure, 13 indicates a packing material, and 14 indicates a caulking material.
Moreover, the fixing member 6, the cover member 8, and the support member 9 are all elongated molded products made by metal extrusion molding.

The assembly device 12 is for assembling the opposing surfaces of the elongated fixing member 6 and the support member 8 to each other, and as shown in an enlarged view in FIG.
are provided protruding along the longitudinal direction. Left and right protrusions 16, 16 are bulged at the outer central part of the protrusion 15, and engagement recesses 17, 17 are provided at the upper edges of the protrusions 16, 16.
is being formed. Further, at the tip of the protrusion 15, an enlarged portion 18 having a circular or diamond-shaped cross section is bulged out. On the other hand, grooves 19 are formed in the fixing member 6 along the longitudinal direction. In the right wall 20 of the groove 19, groove-shaped engagement recesses 22 facing the left wall 21 are arranged in two rows, upper and lower. A clip 23 made of a substantially U-shaped spring member is arranged between the protrusion 15 and the groove 19. As shown in FIG. 3, the clip 23 has left and right inner locking pieces 24 to 24 symmetrically formed on the opening side of the side plate of the spring plate, and which are oriented inwardly and downwardly. Right and left outer locking pieces 25, 25 oriented outwardly and upwardly are formed symmetrically on the bent side of the portion. As shown in FIG. 3, the inner locking pieces 24 to 24 and the outer locking pieces 25, 25 are each formed by partially cutting and raising a spring plate material. The inner ends of the left and right inner locking pieces 24 to 24 are engaged with the left and right engaging recesses 17, 17 of the protrusion 15 through their elastic force, and the outer ends of the right outer locking pieces 25 is engaged with one selected engagement recess 22 of the groove 19 via its elastic force.

The assembly device 12 described above fits the clip 23 into the groove 19 and attaches the protrusion 15 to the clip 23.
or clip 23 onto the protrusion 15.
The support member 9 is assembled to the fixing member 6 by fitting the clip 23 into the groove 19. In this case, the right outer locking piece 25 of the clip 23 is selectively engaged with either the upper or lower engagement recesses 22, 22 of the groove 19, so that the amount of insertion of the clip 23 into the groove 19 is reduced. Since it can vary, the positional relationship between the fixing member 6 and the supporting member 9 can be selected. In the assembly device 12 of this embodiment, the left outer locking piece 25 of the clip 23 contacts the left wall 21 of the groove 19 through its elastic force, so the clip 23 receives a rightward repulsion force. As a result, the engagement effect between the engagement recess 22 of the groove 19 and the clip 23 is improved, and since the protrusion 15 is formed with the enlarged portion 18, the clip 2
The effect of preventing the protrusion 15 from falling off relative to the protrusion 15 is doubled.

In addition, the following can be considered as other technical means from the assembly apparatus 12 of the above embodiment.

(a) As shown in Fig. 4, the engagement recess 1 of the protrusion 15
7 and the protrusion 15 for the clip 23
Set multiple insertion amounts.

(b) As shown in FIG. 5, engagement recesses 22, 22 are formed in the right wall 20 and left wall 21 of the groove 19 in a vertically shifted relationship.

(c) As shown in Figure 6, groove 1 in Figure 5
Each engagement recess 22 in the right wall 20 and left wall 21 of 9
increase each.

(d) As shown in FIG. 7, engagement recesses 22, 22 are formed in the groove 19, with which the left and right outer locking pieces 25, 25 of the clip 23 can be engaged simultaneously. At this time, it is preferable that one (right) engaging recess 22 is formed to have a shallow bottom, and the clip 23 is made to spring to the left by the elastic force of one (right) outer locking piece 25. Further, as a means for preventing the clip 23 from coming off, it is preferable to provide an engaging portion 26 that can engage with the outer end of the inner locking piece 24 of the clip 23 on one wall (left wall 21) of the groove 19.

(E) As shown in FIG. 8, engagement recesses 22, 22 are formed symmetrically in the right wall 20 and left wall 21 of the groove 19, and the left and right outer locking pieces of the clip 23 are
5 and 25 are formed in a vertically shifted relationship.

(f) As shown in FIG. 9, on the inside of the clip 23, engage protrusions 27, 27 that can engage with the neck of the enlarged part 18 of the protrusion 15 through elastic force are arranged symmetrically inward and downward. To form into.

(G) As shown in FIG. 10, the protrusions 15 should be formed on the fixing member 6, and the grooves 19 should be formed on the supporting member 9.

Further, other examples of expansion joints using the above-mentioned assembly device 12 are shown in FIGS. 11 to 1.
Add notes according to Figure 4.

(a) The one shown in FIG. 11 includes a support member 9a fixed to the wall 2a with screws 7, and a long corner cover 2 that spans the rising piece 8A of the cover member 8a.
8, an assembly device 12 is installed between the two.

(b) The assembly device 12 shown in FIG. It is equipped with.

(c) In the one shown in FIG. 13, an assembly device 12 is installed between a fixing member 6a fixed to a flat wall 4a with an anchor bolt 7 and a support member 9b for installing a spring member 10. There is.

(d) Figure 14 shows an expansion joint installed between the wall 2c of the first building 1a and the floor 4b of the second building 3a, and the support attached to the wall 2c with screws 7. An assembly device 12 is installed between the member 9c and a long bolt cover 30 that covers the screw 7. In the figure, 31 indicates a cushion material, and 32 indicates a steel anchor.

Among the reference numerals in FIGS. 4 to 14, the same reference numerals as in the embodiment indicate the same or equivalent members as in the embodiment.

That is, in order to assemble the elongated structural members constituting the building expansion joint, one of the elongated structural members has an engaging recess formed on the outside along the longitudinal direction. The other structural member is provided with a long groove in which an engagement recess is formed along the longitudinal direction on the inner side and into which the protrusion is inserted, and the protrusion and the groove into which the protrusion is inserted are provided. A clip is interposed between the spring plate and the spring plate at a distance from each other in the longitudinal direction, and the clip is attached to the protrusion on the opening side of the side plate of the spring plate bent into a substantially U-shape. cut and raise an inner locking piece that engages with the engagement recess of the groove through elastic force, and an outer locking piece that engages with the engagement recess of the groove through elastic force on the bent side portion of the same side plate. It is formed by cutting and raising the retaining piece, and the engagement recesses of the groove are set in multiple stages, so the expansion joint for buildings can be adjusted by selecting the amount of insertion of the clip into the groove. It is possible to obtain a degree of freedom in assembling the constituent members to each other, and the construction related to the assembling can be simplified.

In particular, according to the present invention, the mutual positional relationship of the component members can be easily selected by selectively engaging the outer locking pieces of the clip with the multiple stages of engagement recesses of the groove, and the mutual positional relationship between the component members can be easily selected. The interposed clip can be placed at any position in the longitudinal direction of the component, and by their cooperation, the component parts can be assembled to each other at any position in the longitudinal direction with a degree of freedom. A unique effect is that it can be easily assembled.

[Brief explanation of drawings]

Figures 1 to 3 show an embodiment of this invention. Figure 1 is a sectional view of the expansion joint, Figure 2 is an enlarged sectional view of the assembly device, and Figure 3 is an enlarged sectional view of the clip. The perspective view and FIGS. 4 to 9 are sectional views showing other examples of the assembling device, and FIG. 10 is a partial sectional view of the expansion joint, showing a change in the installation of the assembling device. Figures, Figures 11-1
Figure 4 shows an example of how the assembly device is used.
1 to 13 are partial sectional views of the expansion joint, and FIG. 14 is a sectional view of the expansion joint. 6... Fixed member (constituent member), 9... Support member (constituent member), 12... Assembly device, 15... Projection, 17... Engagement recess, 19... Groove, 22...
Engagement recess, 23... Clip, 24, 25... Locking piece, 28... Corner cover (component), 2
9, 30... Bolt cover (component).

Claims (1)

[Scope of utility model registration request] In order to assemble the elongated structural members constituting the building expansion joint to each other, one of the structural members is provided with an elongated protrusion in which an engaging recess is formed along the longitudinal direction on the outside, The other structural member is provided with a long groove in which an engagement recess is formed along the longitudinal direction on the inside and into which the protrusion is inserted, and between the protrusion and the groove into which the protrusion is inserted. , clips arranged at intervals in the longitudinal direction are interposed, and the clips are inserted into the opening side portion of the side plate portion of the spring plate bent into a substantially U-shape to the engagement recess of the protrusion. Cut and raise the inner locking piece that engages with the elastic force, and cut and raise the outer locking piece that engages with the engagement recess of the groove on the bent side portion of the same side plate part through the elastic force. 1. An assembly device for an expansion joint for a building, characterized in that the engaging recessed portion of the groove is set in a plurality of stages.