JPH06146758A - Temporary gate - Google Patents

Abstract

PURPOSE:To cope with any change in the width of an entrance by pivoting one end of an expansion frame, first connection levers having a caster at the lower end and the other side of the expansion frame, and what is more, by installing second connection levers having a connection hole which integrally connect the other same type door gate by way of a connection means. CONSTITUTION:First connection levers 7 having a caster 6 or second connection levers 10 having no caster 6 are properly installed to a post X of an entrance of a construction site. Then, the second connection levers 10 or the first connection levers 7 are integrally connected to the other gate door whose type is the same by way of a connection means 8 in conformity with the width of an entrance. In the case when the entrance is narrowed due to the progress of construction work, a required number of the connected gate door members 1 are removed. When it is necessary to change the width of the entrance so as to cope with the condition of construction work, this construction makes it possible to easily cope with any change.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, as a temporary gate to be attached to an entrance of a construction site, one gate having a predetermined size that matches the width of the entrance of the construction site has been used. Then,
This type of gate has left and right vertical frames having a plurality of casters at its lower end and both ends thereof are pivotally mounted in these vertical frames, as disclosed in, for example, JP-A-57-81581. Accordion type expansion and contraction frame.

However, in the temporary gate having the above structure, when the width of the entrance / exit of the construction site needs to be changed according to the construction situation, it is possible to easily replace it with another desired temporary gate. However, if the floor surface or the ground at the construction site has a slight slope, the temporary gate does not travel smoothly and at the same time the gate is deformed.

[0004]

In view of the above-mentioned conventional drawbacks, the present invention easily copes with the case where the width of the entrance / exit of the construction site needs to be changed according to the situation of the construction. It is also possible to obtain a temporary gate for which the expansion and contraction frame does not deform at the same time as running smoothly when opening and closing even if the floor surface or the ground at the construction site has a slight gradient.

[0005]

A window crescent according to the present invention has a telescopic frame formed by combining a plurality of X-shaped rocking arms that rock with scissors, and one end side of the telescopic frame is pivotally attached. ,
Further, it is possible to pivotally attach the first connecting rod having a caster at the lower end to the other end of the telescopic frame, and to integrally connect other same-type gates via the connecting means. And a second connecting rod having a plurality of connecting holes.

[0006]

Operation: For example, the first connecting rod or the second connecting rod having a caster is appropriately attached to the pillar of the entrance / exit of the construction site. Next, another gate of the same type corresponding to the width of the entrance is integrally connected to the second connecting rod or the first connecting rod via connecting means. In this case, not only can the gates of the same type be continuously connected, but also the second connecting rods or the first connecting rods.
It is possible to connect a plurality of gates in an inverted state by connecting the support rods together.

On the contrary, when the construction progresses and the width of the doorway becomes narrower, it is sufficient to remove the desired number of connected gates. The gate basically opens and closes or expands and contracts horizontally via casters. In the case of an embodiment in which a vertical elongated hole is formed in the second connecting rod or the first connecting rod and other similar types of gates are vertically shifted and attached, the casters have a sloped floor surface. Run along
The expansion and contraction frame of each gate does not change.

[0008]

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

In FIGS. 1 to 5, X is a pillar standing at the entrance of the construction site. Reference numeral 1 is a temporary gate that is attached to the pillar X via an appropriate attachment member 2.

The gate 1 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 4 pivotally attached to the lower end. Horizontal plate 5
A first connecting rod 7 having a plurality of, in the present embodiment, two free casters 6, which are provided via an elastic frame 4;
The other end side of the gate is pivotally attached, and other same type gates 1, 1
The second having a plurality of connecting holes 9 capable of integrally connecting the ... via connecting means 8 such as bolts and nuts.
It is composed of a connecting rod 10.

However, the ends of the swinging arms 3 constituting the telescopic frame 4 are appropriately connected to either the first connecting rod or the second connecting rod via a plurality of pivot support pieces 11 and 12. It is pivotally supported. Then, 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. Elongated guide hole 13 for guiding the end of the vertical direction in correspondence with the expansion and contraction of the expansion and contraction frame,
14 is formed.

The connecting means 8 is also provided on the first connecting rod.
A plurality of connecting holes 15 capable of connecting other gates 1 of the same type continuously or in an inverted state through the
Are formed.

In this embodiment, each end of the swing arm of the extendable / contractible frame 4 is connected to the first and first ends via the pivotal support pieces 11 and 12.
Although it is pivotally supported by any one of the connecting rods, it is also possible to directly pivot the first and first connecting rods 7, 10 without using these pivotal support pieces.

In the above structure, for example, the caster 6
The first connecting rod 7 having the above or the second connecting rod 10 not having the caster is appropriately attached to the pillar X of the entrance and exit of the construction site. Next, according to the width of the doorway, other same type of gate 1
Is integrally connected to the second connecting rod 10 or the first connecting rod 7 via the connecting means 8. In this case, the same type of gate 1,
1 to the second connecting rods 10, 10 comrades or the first supporting rods 7,
It is also possible to connect with 7 and to integrally connect a plurality of gates in an inverted state.

On the contrary, when the construction progresses and the width of the doorway becomes narrow, it is sufficient to remove the required number of connected gates. The gates 1, 1 ... In this embodiment are horizontally opened / closed or expanded / contracted via casters 6.

Next, different embodiments of the present invention will be described. In the description of these embodiments, the same parts as those of the embodiment of the present invention will be denoted by the same reference numerals and redundant description will be omitted.

First, the second embodiment shown in FIGS. 6 and 7 is mainly different from the embodiment of the present invention in that the caster 6B pivotally supports one end of the expansion / contraction frame 4B of the temporary gate 1B.
The opposing connecting walls of the first connecting rod 7B having the above and the second connecting rod 10B pivotally supporting the other end of the telescopic frame 4B are formed wide, and the swinging arm 3B is pivotally supported directly on these opposing walls. Another point is that the second connecting rod 10 is also provided with the caster 17 via the horizontal plate 16. In addition, 15B is a connection hole.
Even with this configuration, the same operation and effect as those of the embodiment of the present invention can be obtained.

In the third embodiment shown in FIGS. 8 and 9, the main difference from the embodiment of the present invention is that the connecting hole of the first connecting rod 7C having the casters 6C of the temporary gate 1C is formed. The vertical elongated hole 20 is formed, while the connecting hole 9C of the second connecting rod 10C having no caster is formed in a circular shape.
The connecting means 8C (nut 8a, bolt 8b, washer 8c) that connects both the connecting rod 7C and the second connecting rod 10C is provided with a sliding cylinder 21 that fits in the vertical elongated hole 20 and moves vertically. It is a point that includes.

That is, both the first connecting rod 7C and the second connecting rod 10C are provided with a plurality of connecting means 8C such as nuts 8a, bolts 8b, and sliding cylinders 21 in consideration of the slope and unevenness of the floor surface. It is connected so as to be able to move in the vertical direction via.

In the above embodiment, the temporary gate 1C is used.
The connecting hole of the first connecting rod 7C having the casters 6C may be formed in a circular shape, while the connecting hole of the second connecting rod 10C having no caster may be formed as a vertically elongated hole.

In the above structure, when the casters 6C run along the sloping floor surface F and the gates 1C, 1C, ... Extend, each telescopic frame 4C has its connecting rod and sliding cylinder 21. It does not deform because it rises through.

In the fourth embodiment shown in FIGS. 10 and 11, the main difference from the embodiment of the present invention is that both the first connecting rod 7D and the second connecting rod 10D of the temporary gate 1D are provided. The point is that a foldable panel plate 30 is appropriately attached between the two. With this structure, the gate has an effect as a shield.

[0023]

As is clear from the above description, the present invention has the following effects. (1) When the width of the entrance / exit of the construction site needs to be changed according to the construction situation, this can be easily accommodated. (2) When the gates are connected so that they can move in the vertical direction, even if the floor surface or the ground at the construction site has a slight gradient, it will run smoothly when opening and closing,
The expansion and contraction frame of each gate does not change. (3) In the case of the embodiment having the panel plate, there is a shielding effect.

[Brief description of drawings]

1 to 5 are explanatory views showing a first embodiment of the present invention.

6 and 7 are explanatory views showing a second embodiment of the present invention.

8 and 9 are explanatory views showing a third embodiment of the present invention.

10 and 11 are explanatory views showing a fourth embodiment of the present invention.

[Explanation of symbols]

 X ... Pillar, 1, 1B, 1C, 1D ... Gate, 4, 4B, 4C ... Telescopic frame, 6, 6B, 17, 6C ... Caster, 7, 7B, 7C, 7D ... 1st connection rod, 10, 10B 10C, 10D ... 2nd connection rod, 9, 9B, 15, 15B ... Connection hole, 20 ... Vertical long hole, 21 ... Sliding cylinder, 30 ... Panel board.

Claims (5)

[Claims] 1. A first connecting unit having a telescopic frame formed by combining a plurality of X-shaped swinging arms that swing with scissors and one end side of the telescopic frame, and a caster at the lower end. A second connection having a support rod and a plurality of connection holes that pivotally connect the other end side of the expandable frame to the other end and that can connect other gates of the same type integrally through connection means. A temporary gate that consists of a supporting rod. 2. The first connecting rod according to claim 1,
A temporary gate, characterized in that a plurality of connecting holes are formed that can be integrally connected to each other through connecting means in a state where other same type gates are inverted. 3. The first connection support rod and the second connection rod according to claim 1.
A tentative gate, wherein a foldable panel plate is appropriately attached between the connecting rod and the connecting rod. 4. A telescopic frame formed by combining a plurality of X-shaped pivoting arms that swing with scissors, and a first connection having one end side of the telescopic frame pivotally mounted and a caster at the lower end. A supporting rod and a second connecting rod having a plurality of connecting holes pivotally attached to the other end side of the expandable frame and capable of connecting other same-type gates via connecting means; The first connecting rod is formed with a vertical elongated hole so that another gate of the same type to be connected can be vertically moved, and the connecting means has the vertical elongated hole. A temporary gate that is characterized in that it includes a sliding cylinder that moves. 5. A stretchable frame formed by combining a plurality of X-shaped swinging arms that swing with scissors, and a first connection having one end of the stretchable frame pivotally mounted and a caster at the lower end. A supporting rod and a second connecting rod having a plurality of connecting holes pivotally attached to the other end side of the expandable frame and capable of connecting other same-type gates via connecting means; The second connecting rod is formed with a vertical elongated hole so that another gate of the same kind to be connected can be vertically moved, and the connecting means has the vertical elongated hole. A temporary gate that is characterized in that it includes a sliding cylinder that moves.