JPH084458A - Temporarily installed gate door at construction site - Google Patents

Abstract

PURPOSE:To prevent the theft for a plurality of plate-shaped panels. CONSTITUTION:A gate body 1 consists of an expandable frame 4, the first connecting supporting rod 7 having castors 6 at the lower end, the second connecting support rod 10, and a plurality of foldable panel plates 20. At the upper and lower parts or the part close to the upper and lower parts of both the end edge parts of the panel plate 20, a shaft cylinder part 21 is fixedly installed, and at the upper and lower parts or the part close to the upper and lower parts of both the end edge parts of the panel plate 20, a cylinder part 23 positioned under the shaft cylinder part 21 is provided, while on the inner edge part side, an installation bolt 22 having a bolt part 24 which is contiguously installed in the crossing direction with the cylinder part 23 is installed integrally. Further, at the upper and lower parts or the part close to the upper and lower parts of the first and the second connection supporting rods 7 and 10, a plurality of horizontal penetration holes are formed, and the panel plate 20 is fixed with the first and the second connecting supporting rods 7 and 10 by a plurality of fixing tools screwed with the bolt part 24 of each installation bolt 22 which penetrates through these horizontal through holes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary gate for a construction site which is installed at an entrance of a construction site or a construction site.

[0002]

2. Description of the Related Art Conventionally, a temporary gate of this type is described in, for example, Japanese Utility Model Publication No. 4-54315.

In this temporary gate, as shown in FIG. 8, vertical grids 51, 51, which are arranged in parallel, are connected by a telescopic link 52,
Telescopic link type gate A that can be closed from the top of the door body to the bottom without blinding and can be expanded and contracted in the lateral direction
Hinge receivers 53, 53 are provided at appropriate places on the vertical grid 51, while hinge bodies 56 having tubular bodies 55 are attached to both ends of the unit panels 54a, 54a of the foldable plate-like panel 54. The hinge receiver 53 and the cylindrical body 55 of the hinge main body 56 are detachably pivotally attached via a shaft 57.

Then, the hinge receiver 53 and the hinge body 56.
The plate-like panel 54 can conceal the telescopic link type gate A when it is pivotally attached, and the non-concealed state is achieved only by the telescopic link type gate A when the two 53, 55 (56) are not pivotally attached.

However, in the above-mentioned structure, the plate-shaped panel 54 can be mounted on the telescopic link type gate A when necessary, while the plate-shaped panel 54 can be removed from the telescopic link type gate A when not needed. Although it has the advantage that it can be done, a cylindrical hinge receiver 53 welded to the vertical grid side 51.
Since the shaft 57 that pivotally supports the tubular body 55 of the hinge main body 56 fixed to the plate-shaped panel 54 side can be easily removed from the outside of the door main body, the plate-shaped panel 54 is stolen. was there.

[0006]

In view of the above-mentioned conventional drawbacks, the first object of the present invention is to prevent the plate-shaped panel from being stolen while taking advantage of the advantages of the conventional embodiments. To get a temporary gate for a construction site. A second object of the present invention is to provide a temporary gate for a construction site, which can easily cope with a situation in which the width of the entrance of the construction site or the construction site must be changed according to the progress of the construction. Is to get.

[0007]

A temporary gate for a construction site according to the present invention is formed by combining a plurality of X-shaped swing arms 3 for swinging scissors in a main gate body 1 constituting a temporary gate 1A. A telescopic frame 4, and a first connecting rod 7 pivotally attached to one end of the telescopic frame and having a caster 6 at the lower end.
On the other hand, the second connecting rod 10 that pivotally connects the other end of the telescopic frame 4
And a plurality of foldable panel plates 20 whose ends are fixedly attached to the second connecting rod 10 and the first connecting rod 7, and both edge portions of the panel plate 20. The shaft cylinder portion 21 is provided in the upper and lower portions or the portions near the upper and lower portions.
Is fixedly provided, and the shaft cylinder portion 2 is provided on the outer end side at the upper and lower portions of both end portions of the panel plate 20 or the upper and lower portions thereof.
1. A mounting bolt 22 having a tubular portion 23 located below 1 and having a bolt portion 24 continuous with the tubular portion 23 in the direction intersecting the tubular portion 23 is integrally provided on the inner end side. A plurality of horizontal through holes are formed in the upper and lower parts of the first connecting rod 7 and the second connecting rod 10 or in the upper and lower portions thereof, and the bolt portions of the mounting bolts 22 penetrating the horizontal through holes 30. The panel plate 20 is fixed to the first connecting rod 7 and the second connecting rod 10 by a plurality of fasteners screwed with 24.

[0008]

In the above structure, first, each gate body 1 can be expanded and contracted to the left and right. When each gate body 1 expands and contracts to,
The flexible casters 6 slide on the ground, and the unit panels 20a, 20a of each panel plate 20 also open and close.

Next, in the case where the temporary gate 1A is installed at the entrance of the construction or construction site, if the thief tries to remove the panel plate 20 from each gate main body 1,
It is impossible for a thief to remove the panel plate 20 from the outside of the gate body 1, and he must always get over the temporary gate 1A, and
It is necessary to remove all of the plurality of fasteners 31 that are screwed into the bolt portions 24 of each mounting bolt 22 one by one.

Next, for example, when the construction progresses and the width of the doorway becomes narrower, the nuts of the connecting means 8 connecting the connected gate main bodies 1 and one another are removed, and the required number of gates is removed. All you have to do is to disconnect the main body. Further, the gate body 1 can be increased by the connecting means 8 when necessary.

[0011]

The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In one embodiment shown in FIGS. 1 to 7,
1A is a temporary gate installed at the entrance of a construction or construction site. The temporary gate 1A is attached to the pillar X via a rod-shaped attachment member 2.

Thus, the gate main body 1 which constitutes the temporary gate 1A has a telescopic frame 4 formed by combining a plurality of X-shaped rocking arms 3 that rock with scissors, and one end side of the telescopic frame. 1 which is attached to the lower end portion with a horizontal plate 5 interposed therebetween.
Alternatively, two, in the present embodiment, the first connecting rod 7 having one free caster 6, and the other end side of the expandable frame 4 are pivotally attached, and the other main gate body 1 of the same type is attached. It comprises a second connecting rod 10 having a plurality of connecting holes 9 which can be integrally connected via connecting means 8 such as bolts and nuts.

At least one end of each swing arm 3 constituting the telescopic frame has a first connecting rod 7 or a second connecting rod 1.
It is pivotally supported via a plurality of pivotal support pieces 11 and 12 in any one of 0. The upper and lower three pivotal support pieces 11 pivotally supporting one end side of the telescopic frame 4 and the upper and lower three pivotal support pieces 12 pivotally supporting the other end side of the telescopic frame 4 include the swinging arms 3 respectively. The guide elongated holes 13 and 14 for guiding the end portions of the above in the vertical direction corresponding to the expansion and contraction movement of the expandable frame 4 are formed, respectively.

A connecting means 8 is also provided on the first connecting rod 7.
A plurality of connecting holes 15 are formed through which the other gate main bodies 1 of the same type can be connected continuously or in an inverted state.

Next, reference numeral 20 denotes a plurality of panel plates whose ends are fixed to the first connecting rod 7 and the second connecting rod 10 so as to be located outside the expandable frame 4 of each gate body 1. . These panel plates 20 can be wholly or partially removed from the gate main body 1 when unnecessary. Panel board 2
0 is a unit panel 20 divided into two as in the conventional embodiment.
a, 20a, and these unit panels 20a, 2
0a can be folded via a suitable hinge (not shown).

First, reference numeral 21 designates a shaft cylinder portion fixedly provided on the upper and lower portions of both end edges of the panel plate 20 or on the upper and lower portions thereof. There are a total of four of these shaft tubular portions 21, and they are appropriately welded to both end edges of each panel plate 20.

Next, 22 has a tubular portion 23 located below the shaft tubular portion 21 on the outer end side, while a bolt connected to the inner end portion in a direction intersecting with the tubular portion 23. A mounting bolt having a portion 24. As shown in FIG. 7, the mounting bolt 22 is mounted on the panel plate by a pivot pin 25 penetrating the shaft tubular portion 21 and the tubular portion 23 and a lock nut 26 welded to a protruding lower end portion of the pivot pin 25. 20 is integrally provided.

Next, reference numeral 30 designates a plurality of horizontal through holes formed in the upper and lower portions of the first connecting rod 7 and the second connecting rod 10 or in the portions near the upper and lower portions. These horizontal through holes 30
Penetrates in the front-back direction of the gate main body 1 as shown in FIG.

Reference numeral 31 designates nuts as a plurality of fasteners which are screwed into the bolt portions 24 of the respective mounting bolts 22 penetrating the horizontal through holes 30. These nuts 31 are located on the back side of the gate body 1.

[0021]

As is clear from the above description, the present invention has the following effects. (1) It is possible to prevent the plate-shaped panel 20 from being stolen while taking advantage of the advantages of the conventional embodiment. That is,
If the thief tries to remove the panel plate 20 from each gate body 1, the thief cannot remove the panel plate 20 from the outside of the gate body 1, and must always get over the temporary gate 1A, and also attach each It is necessary to remove all of the plurality of fasteners 31 that are screwed with the bolt portions 24 of the bolt 22 one by one. (2) A plurality of other main gate bodies 1 of the same type can be integrally connected to the first connecting rod 7 and the second connecting rod 10 via connecting means 8 such as bolts and nuts. When the connection holes 15 and 9 are provided, it is possible to easily cope with this when the width of the doorway of the construction work or the construction site needs to be changed according to the progress of the construction work.

[Brief description of drawings]

1 to 7 are schematic explanatory views showing an embodiment of the present invention.

FIG. 1 is an explanatory view from the front.

FIG. 2 is an explanatory diagram of a gate body.

FIG. 3 is an explanatory view when the panel plate is fixed to the first and second connection supporting rods.

FIG. 4 is an exploded explanatory view showing a relationship between a panel plate and a connecting support rod.

FIG. 5 is an explanatory view showing a relationship between a panel plate and a connecting support rod (in a combined state).

FIG. 6 is an explanatory diagram of a main part (horizontal schematic cross section).

FIG. 7 is an explanatory diagram of a main part (a schematic vertical cross section).

FIG. 8 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 1A ... temporary gate, 1 ... gate main body, 2 ... mounting member, 3 ... swing arm, 4 ... extendable frame, 7 ... first connecting rod, 8 ... connecting means, 9,15 ... connecting hole, 10 ... first 2 connection support rods, 11, 12 ... Pivot support piece, 20 ... Panel plate, 21 ... Shaft cylinder part, 22 ... Mounting bolt, 23 ... Cylindrical part, 24 ... Bolt part, 25 ... Pivot pin, 26 ... Lock nut , 30 ... Horizontal through hole, 31 ... Fixing device.

Claims (2)

[Claims] 1. A gate body 1 constituting a temporary gate 1A.
A first connection having a telescopic frame 4 formed by combining a plurality of X-shaped rocking arms 3 that rock with scissors and one end side of the telescopic frame, and a caster 6 at the lower end. On the other hand, the supporting rod 7, on the other hand, the second connecting rod 10 pivotally connecting the other end side of the telescopic frame 4, and the end portions are fixedly attached to the second connecting rod 10 and the first connecting rod 7. And a plurality of foldable panel plates 20.
The shaft cylinder portion 21 is fixedly provided at the upper and lower portions of both end edges of 0 and the upper and lower portions thereof, and the outer end side is provided at the upper and lower portions of the panel plate 20 and the upper and lower portions thereof. Has a tubular portion 23 positioned below the shaft tubular portion 21, and has a bolt portion 24 continuous with the tubular portion 23 in the direction intersecting the tubular portion 23 on the inner end side. Further, a plurality of horizontal through holes are formed in the upper and lower portions of the first connecting rod 7 and the second connecting rod 10 or in the upper and lower portions thereof, and each of the attachments penetrating the horizontal through holes 30 is provided. A temporary gate for a construction site, characterized in that the panel plate 20 is fixed to the first connecting rod 7 and the second connecting rod 10 by a plurality of fasteners screwed with the bolt portions 24 of the bolts 22. 2. The first connecting rod 7 and the second connecting rod 10 according to claim 1, the other main gate body 1 of the same type is integrally formed through connecting means 8 such as bolts and nuts. A temporary gate for a construction site, which has a plurality of connection holes 15 and 9 that can be connected to the.