JP2547014Y2 - Walkway couplings - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a walkway by abutting orthogonally between horizontal support members such as beams of a building.

[0002]

2. Description of the Related Art When constructing a building such as a middle-high-rise building, as a work scaffold passage, a scaffold plate or a single pipe has conventionally been used to assemble a work. In this case, various types of members must be prepared according to the width of the erection place, a large space is required to store when not in use, and an inspection is required to confirm safety during assembly. In addition to being laborious, disassembly is troublesome and requires high-altitude work, resulting in poor workability.

[0003] In recent years, a scaffolding device (walkway) which has a passage portion and a handrail portion and is formed so as to be stretchable and foldable is disclosed in Japanese Patent Publication No. 2-5215, Japanese Utility Model Publication No. 2-17081, It is proposed as in Japanese Utility Model Publication No. 217084.

[0004] By the way, when such a walkway is erected in a state of being abutted in the orthogonal direction between horizontal support members such as beams,
It is necessary to connect one corridor to the other corridor, and as such a connecting device, there is Japanese Utility Model Application No. 4-54163 proposed earlier by the applicant.

[0005] As shown in Figs. 8, 9 and 10, this is composed of an L-shaped connection fitting 21 and a T-shaped connection fitting 22, and the L-shaped connection fitting 21 is provided on the side of the first walkway 1. As a hanging thing,
An elongated hole 24 for coupling with the T-shaped connection fitting 22 is formed in the upper horizontal portion 23a of the L-shaped angle member 23, and a locking piece 23d is protruded horizontally at the lower end of the vertical portion 23b. Horizontal part 23a and vertical part 23b
A flange 23e is projected upward and laterally from the side of the T-shaped connection fitting 22.
The L-shaped angle material is provided on the horizontal portion 25a at the top of the
In addition to drilling a connecting hole 26 corresponding to the long hole 24 of 23, a flange 25c protrudes upward from the side, and is connected to the bracket 14a of the second walkway 2 at the lower vertical portion 25b. A bolt hole 27 is provided.

Then, in order to connect the second walkway 2 to the first walkway 1, the vertical portion 25b of the T-shaped member 25 is fixed to the bracket 14a at the end of the second walkway 2 by bolts. L
The vertical portion 23b of the angled angle member 23 is in contact with the inside of the side of the first corridor 1, and the locking piece 23d at the lower end is in contact with the lower surface, so that the L-shaped connection fitting 21 is engaged with the first corridor 1. Stop. The upper surface of the horizontal portion 25a of the T-shaped fitting 22 abuts against the lower surface of the horizontal portion 23a of the L-shaped fitting 21 and the wing bolt is inserted through the elongated holes 24 and holes 26 formed in the two horizontal portions 23a and 25a. The second corridor 2 is connected to the first corridor 1 by connecting the two horizontal portions 23a and 25a.

Here, the configuration of the corridors 1 and 2 will be described. The corridors 1 and 2 have the same structure, and include a main corridor 5 and a sub corridor 6 provided at one or both ends of the main corridor 5 so as to be able to enter and exit freely. The main corridor 5 is provided with a pair of spar members 7 serving as frames along the longitudinal direction, and a scaffold plate 8 is horizontally provided between the insides of the spar members 7. The main corridor 5 has a handrail 9
The handrail 9 is configured such that the lower end of the support 9a is freely foldable via a handrail receiver 9b.

The spar member 7 has an upper portion having a substantially U-shaped cross section provided with an opening 10 on the inner side and an outer side surface opposite to the side on which the opening 10 is formed. And a lower portion having a substantially U-shaped cross section, and an inner opening is interposed between the upper portion and the lower portion. The inner surface of the lower portion was formed in a flange shape having a substantially U-shaped cross section to form a support portion 11 on the side edge of the scaffold plate 8. The extended portion 12 is formed in a channel shape having an open outer surface opposite to the support portion 11 in order to have strength. In the figure, reference numeral 13 denotes a leg fixing member for connecting the extending portions 12 in the left and right beam members 7.

The girder member 14 of the sub-course 6 is also a channel-shaped member having a substantially U-shaped cross section having an opening on the outer side surface so as to cover the upper end of the girder member 7 of the main corridor 5. Cross over 15.

The locking piece 23d of the L-shaped connection fitting 21 is inserted into an inner opening between the upper portion and the lower extending portion 12 of the beam member 7 having a U-shaped cross section.

[0011]

The present invention comprises two members, an L-shaped connection fitting and a T-shaped connection fitting. The T-shaped connection fitting is provided in the second corridor, and the L-shaped connection fitting is provided in the first place. Since the T-shaped connection fittings and the L-shaped connection fittings need to be further connected with butterfly bolts after fixing to the walkways, the fixing work of the members is large and the connecting work becomes complicated.

Further, the L-shaped connection fitting has a structure in which the locking piece is fixed to the first walkway by inserting the locking piece into the opening inside the girder member of the main walkway. The connecting point was limited to the main corridor of the first corridor, and the second corridor could not be connected to the sub-corridor where there was no opening into which the locking piece was inserted. Further, even at the location where the handrail receiver is located, the handrail receiver is in the way, and it is difficult to attach the L-shaped connection fitting to the first walkway.

An object of the present invention is to solve the above-mentioned disadvantages of the prior art, to easily connect the second corridor to the first corridor, and to limit the number of points that can be connected. It is another object of the present invention to provide a connecting tool for a corridor which can be connected as it is even at a place where a handrail is received.

[0014]

The present invention achieves the above object by forming a second walkway perpendicular to the side of the first walkway erected between horizontal supports such as beams of a building. In a connecting tool for a corridor arranged and detachably connecting a second corridor to a side of the first corridor, a horizontal part supported by a girder member formed on a side of the first corridor; A connection fitting having a downward locking portion protruding at the tip of the first corridor is provided above the girder member formed on the side of the second walkway, and below the girder member of the second walkway. A holding tool which can be moved up and down below the girder member is provided so as to be movable up and down, and the connecting fitting has a hanging wall fixed to the girder member of the second walkway via a bracket at the rear end of the horizontal portion. And an outwardly projecting edge is formed at the lower end of the hanging part, and the holding tool is a screw formed in the horizontal part and the outwardly projecting edge of the connection fitting. Formed with a screw rod inserted into the screw rod and a holding piece provided at the lower end of the screw rod, a handle is provided at the upper end of the screw rod, and a wing nut is screwed onto the screw rod above the horizontal portion, and The first corridor and the second corridor are connected with a connecting fitting and a clip, and a gap formed between the first corridor and the second corridor is closed with a cover. The point is that the tip of the main body is bent downward into an L-shape to form a hook for the first walkway, and the other end is bent outward outward and horizontally to form a support for the second walkway. It is assumed that.

[0015]

According to the first aspect of the present invention, the horizontal portion of the connection fitting provided on the beam member formed on the side of the second walkway is supported by the beam member formed on the side of the first walkway. The downward locking portion at the end of the horizontal portion abuts on the inside of the girder member to lock the connection fitting to the first corridor, and the clamp provided on the second corridor is the girder of the first corridor. The holding member protrudes below the member and rises in this state, whereby the holding member presses the beam member from below. As a result, the second corridor is connected to the first corridor by the connection fitting and the clip.

According to the second aspect of the present invention, in addition to the above operation, the connection fitting is locked to the spar member of the first walkway, and the handle is turned by turning the handle with the wing nut loosened. By raising the screw rod inserted into the screw hole formed in the horizontal part and the outwardly projecting edge, the holding piece provided at the lower end of the screw rod presses the girder member of the first walkway from below, and the pressed state When the wing nut is tightened, the clamping piece is fixed at that position, and the second corridor is connected to the first corridor by the clamping piece and the connection fitting.

According to the third aspect of the present invention, when a gap is formed between the first and second corridors connected by the connecting tool due to the interposition of a handrail receiver or the like, the first corridor can be used. The gap is closed by the cover by bridging the cover between the walkway and the second walkway.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of a walkway connecting device of the present invention, and FIG. 2 is a front view of the same, and the connecting device of the present invention is also shown in FIG. A second corridor 2 is disposed orthogonal to a side of the first corridor 1 erected in the first corridor, and the second corridor 2 is detachably connected to the side of the first corridor 1; 3 and a clamp 4.

Since the structures of the corridors 1 and 2 are the same as those of the conventional example shown in FIGS. 9 and 10, the same reference numerals are given here and the detailed description is omitted.

The connecting fitting 3 has a downwardly engaging portion 3b projecting from the front end of a horizontal portion 3a supported by the girder members 7, 14 formed on the side of the first walkway 1, and the rear end thereof is directed downward. The hanging wall 3c is bent at a right angle to form a hanging wall 3c, and the tip of the hanging wall 3c is bent horizontally in the direction of the engaging portion 3a to form a protruding edge 3d. The horizontal portion 3a faces the protruding edge 3d. Screw holes 18a and 18b were drilled at the corresponding locations, and bolt holes 19 for fastening to the bracket 14a of the girder member 14 of the second walkway 2 were drilled in the hanging wall 3c.

The holding member 4 is a horizontal portion 3a of the connection fitting 3.
And a screw rod 4a formed in the protruding edge 3d and inserted into the screw holes 18a and 18b, and a U-shaped clamping piece 4b screwed to a lower end of the screw rod 4a. It was bent horizontally to form a handle 4c. In the figure, reference numeral 20 denotes a wing nut, which is screwed to a threaded bar 4a above the horizontal portion 3a in a state where the holding member 4 is attached to the connection fitting 3.

FIG. 17 shows a cover 17 for closing a gap formed between the two corridors 1 and 2 when the first corridor 1 and the second corridor 2 are connected, as shown in FIG. The tip of the U-shaped main body 17a is bent downward into an L-shape to form a hooking portion 17b to the first corridor, and the other end is horizontally bent outward to form a supporting portion 17c to the second corridor. , And the body
Projection piece that serves as a stopper to prevent lateral latitude at the vertical part of 17a
17d was provided.

Next, a connecting method will be described. As shown in FIG. 2, the holding piece 4 b of the holding tool 4 is connected to the horizontal portion 3 of the connection fitting 3.
A screw rod 4a is screwed into the screw holes 18a and 18b while being in contact with the lower surface of the connector a.

Next, as shown in FIG. 4, the hanging wall 3c of the connection fitting 3 is attached to the bracket 14a at the end of the sub-course 6 of the second corridor 2.
, The bolt 16 is inserted into the bolt hole 19 to fix the connection fitting 3 and the holding tool 4 combined with the connection fitting 3 to the tip of the second walkway 2. In this state, the handle 4c is directed toward the leading edge 3b, and the wing nut 20 is fastened.

From this state, as shown in FIG. 5, the lower surface of the horizontal portion 3a of the connection fitting 3 is supported by the upper surface of the girder member 7 of the main corridor 5 of the first corridor 1, and the locking portion 3b at the tip is It contacts the inside of the beam member 7. With the connection fitting 3 hung on the main corridor 5 of the first corridor, the wing nut 20 is loosened and turned 180 degrees to face the second corridor 2. As a result, the holding piece 4b at the tip of the screw rod 4a rotates 180 degrees and faces the direction of the first corridor 1 and enters the lower surface of the girder member 7 of the first corridor 1.

When the wing nut 20 is tightened, the clamping piece 4
b is pushed up, and the beam member 7 is connected to the horizontal portion 3 of the connection fitting 3.
a and the clamping piece 4b are tightened from above and below, whereby the second walkway 2 is connected to the first walkway 1.

In this case, even if the handrail holder 9b is attached to the first corridor 1, the first and second corridors 1 and 2 are connected with a connection fitting at an interval corresponding to the width of the handrail holder 9b. 3 and the clamp 4.

FIG. 6 shows the case where the second corridor 2 is connected to the sub-corridor 6 of the first corridor 1. In this case as well, the connection to the main corridor 5 is performed on the upper surface of the beam member 14 of the sub-corridor 6. The horizontal portion 3a of the connection fitting 3 is supported, and the holding piece 4b of the holding tool 4 is
Is pressed from the lower surface, and the second corridor 2 is connected to the first corridor 1 by the connection fitting 3 and the clamp 4.

When the second walkway 2 is connected with the handrail receiver 9a attached to the first walkway 1, if the connecting point is integrally covered with the cover 17, the handrail receiver 9b can be used for walking. It can be prevented from being in the way, and can also close the gap between the first corridor 1 and the second corridor 2 formed by the handrail receiver 9b. In this case, the hook 17b is locked on the upper surface of the girder member 7 or the girder member 14 of the first corridor 1, and the second corridor 2
The supporting portion 17c is supported on the scaffold plate 15, and the main body portion 17a covers the upper part of the handrail receiver 9b and closes the gap. cover
17 is only placed on the first corridor 1 and the second corridor 2, but the left and right protruding pieces 17d function as stoppers to prevent lateral movement.

[0030]

[Effects of the Invention] As described above, the connecting device of the corridor of the present invention can easily connect the second corridor to the first corridor, and the connecting point is not limited. Can be connected, and can be connected as it is even at a location where a handrail receiver is provided.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a walkway connector of the present invention.

FIG. 2 is a side view of the connector of the walkway of the present invention.

FIG. 3 is a perspective view showing a use state of the walkway connecting device of the present invention.

FIG. 4 is a side view showing a state in which the connector of the corridor of the present invention is fixed to the tip of the second corridor.

FIG. 5 is a side view showing a state where the second corridor is connected to the main corridor of the first corridor by the corridor connecting device of the present invention.

FIG. 6 is a side view showing a state where the second corridor is connected to the sub-corridor of the first corridor by the corridor connecting device of the present invention.

FIG. 7 is a perspective view of the cover of the connector of the walkway according to the present invention.

FIG. 8 is an exploded perspective view showing an embodiment of a conventional connecting device for a corridor.

FIG. 9 is a perspective view showing a use state of a conventional walkway connecting device.

FIG. 10 is a side view showing a connected state of a conventional walkway connecting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... 1st walkway 2 ... 2nd walkway 3 ... Connection metal 3a ... Horizontal part 3b ... Locking part 3d ... Protrusion 3c ... Hanging wall 4 ... Clamping tool 4a ... Screw rod 4b ... Clamping piece 4c ... Handle 5: Main corridor 6: Sub-course 7: Girder member 8: Scaffolding board 9: Handrail 9a: Support post 9b: Handrail support 10: Opening 11: Supporting part 12: Extension part 13: Leg fixing member 14: Girder member 14a ... Bracket 15 ... Scaffolding plate 16 ... Bolt 17 ... Cover 17a ... Body 17b ... Hanging part 17c ... Supporting part 17d ... Protrusion piece 18a, 18b ... Screw hole 19 ... Bolt hole 20 ... Wing nut 21 ... L-shaped connection fitting 22 … T-shaped fitting 23… Angle material 23a… Horizontal part 23b… Vertical part 23c… Flange 23d… Locking piece 23e… Flange 24… Long hole 25… T-shaped material 25a… Horizontal part 25b… Vertical part 25c… Flange 26 … Hole 27… Bolt hole

Claims (3)

(57) [Scope of request for utility model registration] 1. A second corridor is disposed orthogonally to a side of a first corridor which is erected between horizontal support members such as beams of a building, and the second corridor is located on a side of the first corridor. A connecting device for a walkway removably connected to a portion, comprising: a horizontal portion supported by a girder member formed on a side portion of a first walkway; and a downward locking portion protruding from a tip of the horizontal portion. A metal fitting is provided above a girder member formed on the side of the second corridor, and a holding tool which can be moved up and down below the girder member of the first corridor below the girder member of the first corridor is moved up and down. A connector for a walkway, which is provided freely. 2. A connecting fitting, wherein a hanging wall fixed to a beam member of a second walkway via a bracket is formed at a rear end of a horizontal portion, and an outwardly projecting edge is formed at a lower end of the hanging portion. The clamp is formed by a screw rod inserted into a screw hole formed in a horizontal portion and an outwardly protruding edge of the connection fitting, and a clamp piece provided at a lower end of the screw rod, and a handle is provided at an upper end of the screw rod. 2. The walkway connector according to claim 1, wherein a wing nut is screwed onto a threaded bar above the horizontal portion. 3. The first corridor and the second corridor are connected by a connection fitting and a clip, and a gap formed between the first corridor and the second corridor is closed by a cover, The cover is formed by bending the tip of the main body having a U-shaped cross section downward into an L-shape to form a hook for the first walkway, and bending the other end outward and horizontally to support the second walkway. 3. The connecting device for a walkway according to claim 1, wherein the connecting device is formed.