JP4151763B2 - Expansion joint corner cover structure - Google Patents

Description

  The present invention relates to a corner cover structure of an expansion joint that simply and nicely processes an end portion of a cover body that covers an upper portion of a housing gap.

In order to process the end of the cover body that covers the upper part of the housing gap, an end wall is provided at the end of the cover body, and a lid is attached to the lower part of the end wall by a hinge. The lid is always closed by connecting the projecting piece provided on the spring with a spring, and a pair of guides with a spring mounted on the support portions provided on both side surfaces of the cover, and the tips of these guides are end portions. It is known that the end cover is always attached to the end of the cover by a spring while being connected to the cover so as to be rotatable. (See Patent Document 1 and Patent Document 2)
JP-A-9-317033 JP2003-3578

  However, since the former attaches the end cover directly to the long cover body, it is difficult to manufacture and the construction takes time, and the latter is a structure in which the guide slides. The upper body with the lid cover opened due to poor movement or deformation causes a problem that the watertightness of the gap is lost.

  The present invention solves the above-mentioned problems, attaches an end cover to the housing part where the gap is opened by a mounting member, and attaches a corner cover on these members. It is an object of the present invention to provide a corner cover structure of an expansion joint that is excellent in performance, has a good appearance, and is excellent in a waterproof function.

  In order to solve the above-mentioned problem, the corner cover structure of the expansion joint according to the present invention has a cover body attached to the opposite housings with a gap therebetween by attaching a cover body that covers the gaps by an attachment means that absorbs fluctuations of these housings. In an expansion joint having a closed configuration, the cover body is attached so as not to reach the end portions of both housings, and thereby the end cover is attached to the portion where the gap between both housings is opened upward by absorbing means. The upper part of the end cover is attached to the attachment member by a hinge so that the end cover can be rotated outward, and the cover body is placed on the upper side of both housings where the gap is opened. And a corner cover having an end wall that overlaps a part of the end lid.

  The end cover may be attached to the attachment member by a spring-equipped hinge, and the end cover may be always closed by urging with a spring.

  It is good also as a structure which attaches the attachment member which attached the end cover with the hinge to the holder in the attachment means which can absorb the fluctuation | variation of a housing with a screw | thread.

An end lid to be attached to the attachment member by a hinge may be formed in a box structure, and the hinge may be attached to the inside so that one piece and the shaft are accommodated inside the back plate.

A long support member having a rail portion is provided along the longitudinal direction of the upper surface of the housing, and a long connecting member is slidably disposed on the rail portion, and the end portion of the connecting member on the housing end portion side. It said attachment means is provided for, the mounting means fixed to the cover corner, and said end cover through the mounting member may be only configuration Installing freely rotate.

  According to the first aspect of the present invention, the attachment member having the end lid attached by the hinge is fixed onto the two housings, and the corner cover partially overlapping the cover body is attached onto the attachment member, and the end wall is attached. Is partly stacked on the outside of the end lid. Therefore, the corner cover structure can be easily manufactured, and it can be easily attached to the housing, and can be applied in a short time. Is ensured, and the watertight holding by the end cap is also performed well.

  According to the second aspect of the present invention, since the end cover is attached to the attachment member with the hinge with spring, the spring can be attached simply by attaching the hinge, and the end cover is loose due to wind and rain. In addition, the watertightness is maintained well.

  According to the invention of claim 3, since the attachment member of the end lid is attached to the bracket of the attachment means by screwing, the end lid can be easily and surely fixed to a fixed position. If the corner cover is attached across the main body, the corner cover can be installed easily and reliably.

According to the invention of claim 4, since the end cover is formed in a box structure and the hinge that fits the shaft into the interior space is attached, the hinge is difficult to see and the appearance beauty is enhanced. It is robust and does not cause damage due to impact or the like, and further prevents rainwater or the like from entering inside and accumulating and preventing corrosion.

  According to the fifth aspect of the present invention, since the holder to which the attachment member for the end lid is attached is supported by the long attachment means, the support of the holder by the attachment means is ensured even when the housing greatly fluctuates. The lid will not come off.

  Embodiments of a corner cover structure for an expansion joint according to the present invention will be described below with reference to the drawings.

  The corner joint structure of the expansion joint denoted by reference numeral 1 in FIG. 1 has a gap S as shown in FIG. 4 by mounting means 4 that absorbs fluctuations of both the casings 2 and 3 to the opposite casing 2 and casing 3 with a gap S therebetween. In the expansion joint 6 having a structure in which the cover body 5 covering the gap S is closed and the gap S is closed, the cover body 5 is attached so as not to reach the ends of the two casings 2 and 3 as shown in FIG. The attachment member 8 of the end lid 7 is attached to the portion where the gap S between the two housings 2 and 3 is opened upward by the attachment means 4 that absorbs fluctuations as shown in FIG. Then, the upper portion of the end lid 7 is attached to the attachment member 8 by a hinge 9 so that the end lid 7 can be rotated outward. The upper portion of the portion where the gap S is opened overlaps the cover body 5. A corner cover 11 having a portion 11a and an end wall 10 that overlaps a part of the end lid 7 is provided.

As shown in FIG. 4, the expansion joint 6 can absorb fluctuations of the casing 2 and the casing 3 with a long cover body 5 having a mountain shape with a medium-high cross section and provided with side pieces 5 a that hang downward on both sides. As shown in FIG. 5, the attachment means 4 to be attached to the housing 2 and the housing 3 is formed in a mountain-shaped cross-sectional shape that fits the cover body 5, and a pair of openings that open upward and downward as shown in FIG. The holder 13 having the T-shaped grooves 12 and 12 and a pair of outwardly saddle-shaped sliding portions 14 and 14 slidably engaged with the T-shaped groove 12 below the holder 13 are shown in FIG. 5 and a guide piece 16 as shown in FIG. 5 (c), which is attached so as to be orthogonal to the square base plate 15 to the lower side of the square base plate 15, and engages with the guide piece 16. A pair of sliding grooves 17 and 17 are provided in the upper part, and a circular shaft-shaped sliding part 18 is provided in the lower part. The connecting member 19 is composed of a long and narrow flat plate and a support member 21 provided with a semicircular rail portion 20 on the upper side. These members are extruded products of aluminum or an alloy thereof. Are cut to the required dimensions, or formed to the required dimensions by die casting or the like. Rectangular base plate 15, the guide piece 16, connecting member 19 is formed in short.

In order to constitute the attachment means 4 by the above-mentioned members, the support member 21 is fixed to the housing 2 and the housing 3 by tightening the support member 21 through the screw 22 through the screw 23 and the screw receiver 24 of the housing 2 and the housing 3. Below the base plate 15, screws 26 are passed through holes 25 formed in the square base plate 15, and tightened into screw lower holes 27 formed in the guide pieces 16, thereby fixing the guide pieces 16 to the square base plate 15. Then, the sliding portions 14 and 14 of the square base plate 15 are engaged with the T-shaped groove 12 on the lower side of the holder 13, and the guide piece 16 attached to the square base plate 15 has a sliding groove 17 of the connecting member 19. 17, when the sliding portion 18 of the connecting member 19 is engaged with the rail portion 20 of the support member 21, the attachment means 4 is assembled as shown in FIG. 6, and an earthquake or ground subsidence occurs. Even if the housings 2 and 3 are changed, the change is absorbed and the closing of the gap S by the cover body 5 is maintained.

Further, in particular, the connecting member 19 disposed at the end is long, and both the attaching means 4 of the attaching means 4 detached from the cover main body 5 and the attaching means 4 fitted to the cover main body 5 are long connecting members. Since the connecting member 19 is slidably engaged with the support member 21 provided with the rail portion 20, the end cover 7 is secured even when the housing greatly fluctuates as shown in FIGS. The attachment member 8 attached with is not detached.

  In addition, in the T-shaped groove 12 provided on the upper side of the holder 13, fitting portions 29 of the locking pieces 28 corresponding to the side pieces 5a provided on both sides of the cover body 5 are fitted as shown in FIG. The stop piece 28 is fixed to the holder 13, and the lower end thereof is engaged with the flange portion 30 provided at the lower portion of the side piece 5 a of the cover main body 5, thereby firmly holding the side piece 5 a of the cover main body 5.

Further, the support member 21 is formed with a dovetail groove 31 and the like on the side corresponding to the gap S as shown in FIG. The attachment portion 33 of the water stop member 32 that is in contact is fitted, the water stop member 32 is attached to the support member 21, the gap between the cover body 5 and the housings 2 and 3 is closed, and rainwater or the like does not enter from this portion. To do.

The corner cover structure 1 provided in the expansion joint 6 includes an exploded perspective view and an end cover 7 showing an assembled state in FIGS. 7 (a) and 7 (b), a hinge 9 showing a perspective view in FIG. 7 (c), and FIG. a mounting member 8 of the end cap 7 which shows an exploded perspective view and an assembled state in a) (b), is the same structure as the attachment means 4 of the d key Spansion joint 6, a with the aid of this such drawings and description The omitted attaching means 4 and a perspective view shown in FIG. 10 and a corner cover 11 showing a state of attachment to the cover body 5, the end cover 7, its attachment member 8, and the corner cover 11, A plate material such as aluminum or steel is formed by pressing or the like.

  The end lid 7 has a rectangular shape that is large enough to close the opening on the outside of the corner cover 11 and is formed in a box shape having a space 34 as shown in FIG. Therefore, as shown in FIG. 7 (b), a front surface member 37 in which a folding edge 36 is continuously provided on the rear side of the side plate 35, and a back surface formed in an outer shape matching the front surface member 37 as shown in FIG. 7 (a). And the face plate 38.

To assemble the end lid 7, first, the hinge 9 is attached to the back plate 38. The hinge 9 has a shaft 39 positioned in the space 34 and the hinge 9 is slightly lower than the upper edge of the end lid 7. The combined cutout 40 is formed, and the cutout 41 is formed even when straddling the folded edge 36 from the upper side plate 35 of the front member 37. The projecting piece 42 to maintain the horizontal hinge 9 from the notch 40 of the back plate 38 to the inside, piece 43 to maintain the vertical at a hinge 9 so as to overlap the outer surface of the back plate 38, holes drilled in pieces 43 44 When the screw 45 is passed through and the screw 45 is tightened into the screw lower hole 46 formed in the back plate 38, the hinge 9 is attached to the back plate 38 as shown in FIG.

When the hinge 9 is attached to the back plate 38, as shown in FIG. 7B, the back plate 38 is made to correspond to the surface member 37, the back plate 38 is applied to the folding edge 36, and the hole 47 formed in the back plate 38 is formed. When tightening the screw under hole 49 drilled in folding Kaeen 36 through screws 48, the back surface plate 38 and the front member 37 are joined to form a endcap 7 having a space 34 therein.

  As shown in FIG. 7C, the hinge 9 forms a cylindrical portion 42a and a cylindrical portion 43a in a crossed manner on the piece 42 and the piece 43, and a spring space 50 is provided between the cylindrical portions 42a. Then, when the coil spring 51 is sandwiched between the spring spaces 50 and the shaft 39 is passed through the cylindrical portions 42a and 43a, the piece 42 and the piece 43 are rotatably connected, so that one arm 51a of the coil spring 51 is engaged with the piece 42. The other arm 51b is engaged with the piece 43, and the pieces 42 and 43 are maintained at a right angle by being biased by the spring 51.

  The attachment member 8 of the end lid 7 is formed into a short-sized object having side pieces 8a that hang downward on both sides, as shown in FIG. A hanging piece 52 and a hanging piece 53 having a straight lower edge are provided at the upper part of the outer end portion and the inner end portion. Install. The L-shaped member 54 is attached by making a hole 55 in the vertical piece 54 a, passing a screw 56 through the hole 55, and tightening the screw 56 into a screw lower hole 57 formed in the hanging piece 52 of the attachment member 8. The L-shaped member 54 is attached to the attachment member 8 as shown in FIG.

  In order to attach the end lid 7 to the attachment member 8, a piece 42 of the hinge 9 that projects the end lid 7 attached with the hinge 9 from the back plate 38 as shown in FIG. 7B is attached to the attachment member 8. As shown in FIG. 8 (b), a screw 60 is passed through a hole 59 formed in the piece 42 of the hinge 9 so as to ride on the horizontal piece 54 b of the material 54, and this screw 60 is opened in the horizontal piece 54 b of the L-shaped material 54. When tightened into the screw lower hole 61, the end lid 7 is pivotally attached to the attachment member 8 by the hinge 9.

  When the end cover 7 is attached to the attachment member 8, the attachment member 8 is attached to the housing 2 and the holder 13 attached to the housing 3 by the attachment means 4 from the upper side as shown in FIG. 8, the position of the hanging piece 53 on the inner end side is applied to the inner surface of the holder 13, the screw 63 is passed through the hole 62 provided in the mounting member 8, and the screw lower hole 64 provided in the holder 13. 10, the attachment member 8 is attached to the holder 13 as shown in FIG. 10, and the lower portion of the end lid 7 attached to the attachment member 8 by the hinge 9 overlaps the side cover member 65 in the gap S. To.

  When the attachment member 8 is attached to the holder 13 as described above, the corner cover 11 is attached. As shown in FIG. 10, the corner cover 11 has a cross-sectional shape that forms a middle-high mountain shape that fits the cover main body 5, and has side pieces 11 b that hang downward on both sides. The overlapping portion 11a is formed so as to cover the open portion and overlap the end portion of the cover body 5 as described above, and the end wall 10 partially overlapping the upper portion of the end lid 7 is provided at the upper portion of the outer end. It is done.

The corner cover 11 is mounted on the mounting member 8 and the end of the cover body 5 with the end cover 10 side being on the end lid 7 side as shown in FIGS. The lower end wall 10 is positioned so that the lower part of the end wall 10 overlaps the upper part of the end lid 7, and a screw 67 is passed through a hole 66 formed in both side pieces 11 b , 11 b , and the screw 67 is inserted into both side pieces 5 a, When tightened into the screw lower hole 68 opened in 5a, the corner cover 11 is attached to the cover main body 5 to constitute the corner cover structure 1 that closes the open portion of the end of the gap S.

The corner cover structure 1 of the expansion joint shown in the above embodiment is easy to manufacture because it is formed separately from the attachment member 8 of the end lid 7 and the corner cover 11. Assembled and attached to the attachment member 8, and this attachment member 8 is attached to the upper side of the housing 2 and the housing 3 where the gap S is open so that the variation of the housings 2 and 3 can be absorbed by the attachment means 4. The corner cover 11 is partly overlapped with the cover main body 5 and a part of the end wall 10 is overlapped with the upper outside of the end lid 7, and the side piece 11 b of the corner cover 11 is screwed onto the cover main body 5. If it stops, the corner cover structure 1 will be constructed reliably in a short time.

Further, in this corner cover structure 1, since the end lid 7 is formed in a box shape and a hinge 9 is attached to the inside thereof, in the normal state where no earthquake or ground subsidence occurs, the end lid 7 is a coil spring. As shown in FIGS. 1 and 3A by the urging force of 51 , the cover member 65 on the side of the gap S is brought into contact with the cover member 65 (this cover member may be an expansion joint cover for the outer wall), and the vertical state is maintained. In this state, the hinge 9 cannot be seen from the outside, so that the appearance is good, and a part of the end wall 10 of the corner cover 11 overlaps the upper outside of the end cover 7, so that the end cover can be used even in wind and rain. No rainwater enters the interior of 7. However, when the side cover member 65 is moved as shown in FIG. 2 and FIG. 3 (b) and the end cover 7 is pushed to cause the case 2 and the case 3 to fluctuate due to an earthquake or ground subsidence, The coil spring 51 is deformed to rotate the end lid 7 outward about the shaft 39 of the hinge 9 as shown in FIG. 2 and FIG. 3B. Since the overlap between the end wall 10 of the corner cover 11 and the end lid 7 is sufficiently maintained, the appearance is good even in a fluctuating state and rainwater does not enter. Further, in order to improve the water tightness, a packing may be disposed at the overlapping portion of the end wall 10 and the end lid 7 of the corner cover 11.

  The corner cover structure of the expansion joint according to the present invention can be applied to the end portion of the cover main body that covers the upper part of the gap of the housing to easily close the end portion of the cover main body.

FIG. 3 is a longitudinal front view showing a normal state of the corner cover structure of the expansion joint. The longitudinal cross-sectional front view of the state which coped with the fluctuation | variation of the housing of the said corner cover structure. (A) (b) is explanatory drawing which shows the normal state of a corner cover structure, and the time of an action | operation. FIG. 2 is a vertical side view of the AA line shown in FIG. 1. (A) (b) (c) (d) (e) is a perspective view which shows each component of the attachment means which attaches a cover main body to a housing so that a fluctuation | variation is absorbed. The longitudinal side view which shows the assembly state of an attachment means. (A) (b) (c) is a perspective view which shows the structure of the components which comprise an end cover, an assembly state, and the structure of a hinge. (A) (b) is a perspective view which shows the structure of the components which comprise the attachment member of an end cover, and an assembly state. The perspective view which shows the state which attaches the attachment member which attached the end cover to a holder. The perspective view which shows the state which attaches an attachment member to a holder and attaches the cover for corners on it. The perspective view which shows the corner cover structure completed by attachment of each member. The enlarged vertical front view which shows the completed corner cover structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Corner cover structure of expansion joint 2, 3 Frame 4 Attachment means 5 Cover main body 6 Expansion joint 7 End cover 8 Attachment member 9 Hinge 10 End wall

Claims (5)

In the expansion joint of the configuration in which the cover body covering the gap is attached to the opposite housings with a gap by the attachment means that absorbs the fluctuations of these enclosures, and the gap is closed.
The cover body is attached so as not to reach the ends of the two housings, and thereby the attachment member of the end lid is attached to the portion where the gap between the two housings opens upward by the attachment means that absorbs fluctuations,
Attach the upper part of the end cover to the mounting member with a hinge so that the end cover can be rotated outward.
The corner cover having an overlapping portion with the cover main body and an end wall overlapping with a part of the end lid is provided on the upper side of both housings of the portion where the gap is opened. Expansion joint corner cover structure. The corner cover structure for an expansion joint according to claim 1, wherein the end cover is attached to the attachment member by a spring-equipped hinge, and the end cover is always closed by urging by a spring. . Corner cover structure of expansion joint according to claim 1 or claim 2 mounting member attached to endcap by a hinge, characterized in that a structure for attaching a screw or the like to the holder in the mounting means capable of absorbing the variation of the skeleton . An end lid to be attached to the attachment member by a hinge is formed in a box structure, and the hinge is attached to the end cover so that one piece and a shaft are accommodated inside the back plate. corner cover structure of expansion joint according to claim 3. A long support member having a rail portion is provided along the longitudinal direction of the upper surface of the housing, and a long connecting member is slidably disposed on the rail portion, and the end portion of the connecting member on the housing end portion side. It said mounting means provided on the, to claim 1 where the mounting means fixed to the cover corner, and through the mounting member, characterized in that <br/> was attach freely rotating the end cap Corner joint structure of the described expansion joint.

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