JP2603897Y2 - Support structure for simple structures such as tents - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a column structure which can be used for various simple structures such as a tent and a stage, and more particularly to a column structure whose height can be easily adjusted.

[0002]

2. Description of the Related Art FIG. 4 is an explanatory view illustrating a conventional column height adjusting means. A nut 42 having a flange 41 is fitted to the lower end of a column 40, and a substrate 43 is mounted on the nut 42. The height of the support column is adjusted by turning a handle 45 provided on the flange portion 41 by screwing a bolt 44 having the same.

[0003]

In the above-mentioned conventional adjusting means, the range of height adjustment is limited to a narrow range of the length of the bolt, and for example, the height is set to a large range such as 50 cm or 1 m. Could not be changed. Therefore, an object of the present invention is to provide an apparatus that can easily change the height of a support column in a large range and can also finely adjust the height.

[0004]

In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a support having two pipes (10) and (20).
, One of the tubes (10) can be fitted inside the other tube (20), and any one of the tubes (10) extends in its longitudinal direction and with respect to its axis. To a substantially symmetrical position.
1), an appropriate number of cuts (12) in the circumferential direction of the pipe from the elongated hole (11) at appropriate positions of the elongated hole (11), and the other tubular body (20).
Provided hole at substantially symmetrical positions (21) so as to correspond to the cutout portion (12) for that axis, the circumferential direction of the hole portion (21) of the tube
The notch (12) of one tube (10) and the other tube (2) are formed by a fastening means such as bolts and nuts.
0) can be fastened by matching the hole (21),
Thereby, the height of the support can be changed. According to a second aspect of the present invention, in the first aspect, holes (21) provided in the other tube (20) are provided in a plurality of rows in the longitudinal direction of the tube. The gap between the cuts (12) provided,
The distance between the holes (21) provided in the other tube (20) is different. The third aspect of the present invention is the first or the second aspect.
In the device of the second aspect, height fine adjustment means capable of finely adjusting the height of the column is added to the upper part and / or the lower part of the column.

[0005]

The cut portion 12 provided at the lowermost end of the elongated hole 11 of one tube 10 and the hole 21 at the lowermost end of the other tube 20 are provided.
Are fixed by fastening means such as bolts and nuts, so that the column is in the lowest state. Also, one tube 1
By fixing the notch 12 provided at the uppermost end of the long slotted hole 11 and the hole 21 at the lowermost end of the other tubular body 20 by fastening means, the column is in the highest state. Becomes
Thus, the height of the column can be adjusted within the range of the length of the elongated hole 11 provided in one of the pipes 10. When this height is changed, bolts and nuts, etc.
Since the two are connected by the elongated hole 11, they need not be completely separated simply by loosening. Furthermore,
Hole 21 provided in the other tube 20 is formed the long hole
Because, it becomes possible to tubular body is applied to the case of the square pipe. An interval between the cut portions 12 of one of the pipes 10,
By making the interval between the other holes 21 different, it is possible to change the height of the column for each shorter interval length. Further, fine adjustment of the height of each column can be performed by fine height adjustment means provided at the upper part and the lower part of the column.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described below with reference to the accompanying drawings. FIG. 1 is an explanatory front view of a column according to an embodiment of the present invention, FIG. 1 (A) is an explanatory front view of an inner tube 10, and FIG. It is a front explanatory view. The inner pipe body 10 uses a metal square pipe, and a long hole 11 is formed in two opposing surfaces in the longitudinal direction of the pipe body. The upper end of this elongated hole 11,
A plurality of cuts 12 are provided at the lower end and at a desired position in the middle thereof in the peripheral direction of the tubular body (leftward in the figure). The notch 12
It is formed diagonally so that its end (left side in the figure) is slightly lower. In the present embodiment, these cuts 12 are
There are five locations at 0cm intervals. The interval between the cut portions 12 does not need to be constant, and the interval and the number can be freely set. A substrate 13 to be described later is provided at a lower end of the inner tube 10.

The outer tube 20 is also made of a metal square pipe, and has a size such that the inner tube 10 can be fitted therein. A plurality of elongated holes 21 are provided on two opposing surfaces of the outer tube 20 in the circumferential direction of the tube, respectively. The shape of the hole 21 is the shape of the notch 1 of the inner tube 10.
The shape is almost the same as 2. Therefore, the hole 21 is also inclined obliquely, and the left side in the figure is located at a low position. The interval between the holes 21 can also be set arbitrarily,
It may be one in which only individual pieces are formed. Therefore, the hole 2
When only one is provided, the height of the column can be changed every 40 cm. On the other hand, if four holes 21 are provided at intervals of, for example, 10 cm, the inner tube 10 is provided. The height can be changed every 10 cm by combining with the notch 12 above the second from the bottom.

[0008] The inner tube 10 and the outer tube 20 are
Although not shown, it is fixed by bolts and nuts. Notch 12 of inner tube 10 and hole 2 of outer tube 20
1 and the bolt is penetrated and fastened by a nut. Tightening is performed at a low position (the left end side in the figure) of the cut portion 12 and the hole portion 21. This prevents the bolts and nuts from being disengaged in the horizontal direction with the column fixed. When the lowermost hole 21 of the outer tube 20 and the lowermost cut 12 of the inner tube 10 are fixed,
The support is in the lowest state, and when the hole 21 at the lowermost end of the outer tube 20 and the cutout 12 at the uppermost end of the inner tube 10 are fixed, the support is in the highest state. In addition, the height can be changed to a desired height by aligning and fixing the hole 21 to the notch 12 in the middle.

When the height is changed, since the notches 12 of the inner tube 10 are continuous with the elongated holes 11,
Loosen the bolts and nuts and insert them into the cuts 12 and holes 2
1 to the high position (right end in the figure)
With the nut still attached to the outer tube 20, the inner tube 10
Can be slid in the elongated hole 11. As a result, the outer tube 20 can be slid in the up-down direction, and the hole 21 of the outer tube 20 can be aligned with another cut portion 12 of the inner tube 10, and the bolts and nuts can be tightened again. . Therefore, it is not necessary to completely remove the bolts and nuts, and the height of the support can be easily changed simply by loosening the bolts and nuts.

A nut 22 is embedded in the upper end of the outer tube 20. A bolt 23 is screwed onto the nut 22, and a column head 25 is attached to a bolt head 24 of the bolt 23.
The handle 2 is located just below the bolt head 24.
6 are provided. Therefore, by turning the handle 26, fine adjustment of the height of the column head 25 can be performed. The bolt head 24 is configured to be rotatable inside the column head 25. In addition, a tent, a stage, and the like can be constructed by combining various types of frameworks such as a horizontal beam and an inclined beam in the column head 25.

FIG. 2 is a cross-sectional explanatory view showing a state where the inner tube 10 and the outer tube 20 are combined and fixed, and FIG.
FIG. 2B shows a case where a circular tube is used as the tube. In FIG. 2A, two elongated holes 11 are provided symmetrically on a plane P including the axis of the tubular body on two opposing surfaces of the inner tubular body 10. Notch 1 in the left direction in the figure
2 are provided. Then, the cut portion 1 of the inner pipe body 10
2 and the hole 21 of the outer tube 20 are aligned with each other, and the bolt 17 and the nut 1 are located on the left end side of the cut 12 and the hole 21.
At 8, it can be fastened and fixed. FIG. 2 (B) shows a case where a circular pipe is used as the pipe. The inner pipe 10 is provided with two elongated holes 11 symmetrically with respect to the axis thereof, and the respective elongated holes 11 are provided. A notch 12 is provided in the clockwise direction from the hole 11 (or in the opposite direction). In this case, the cut 12 must be provided in the horizontal direction. The hole 21 provided in the outer tube 20 is
It is not necessary to form it in a slender shape, but it is sufficient to make a circular hole. To adjust the height, the outer tube 20 is turned in the opposite direction to the clockwise direction so that the bolt 17 is adapted to the elongated hole 11 of the inner tube 10, the outer tube 20 is slid, and another cut is made. The notch 12 is selected, and the outer tube 20 is rotated clockwise at the selected notch 12, so that the notch 12 and the outer tube 2
The height of the bolts 17 and the nuts 18 can be changed by aligning the holes 21 with zeros and fastening and fixing the bolts 17 and the nuts 18.

FIG. 3 is an explanatory view of a portion of the substrate 13 incorporated at the lower end of the inner tube 10, and two L-shaped metal plates 14 are arranged on the upper surface of the substrate 13 having a substantially square shape in plan view. Then, the bottom surfaces of the metal plates 14 and 14 are attached to the substrate 13 while being loosened by rivets 15, and a coil spring 16 for urging the respective upright surfaces of the metal plates 14 outward is mounted on the metal plate 14. It is interposed between the surfaces. In use, the upright surfaces of the two metal plates 14 are pressed inwardly to fit inside the lower end of the inner tube 10. Thereby, the substrate 13 can be easily attached to the lower end of the inner tube 10. Therefore, the trouble of using the fixing means can be omitted.

In place of the substrate 13, a fine height adjusting means as shown in FIG. 4 as conventionally used can be added. In this case, the fine adjustment of the height can be performed on both the upper part and the lower part of the column together with the fine height adjusting means of the upper part. In particular, when the height fine adjustment means is provided in the lower part, it is effective when the installation surface is not flat. Further, in the first embodiment, the inner pipe 10 and the outer pipe 20 use the square pipes. However, as described with reference to FIG. Is also possible. In that case, the elongated hole 11
Are provided at positions symmetrical with respect to the axis of the pipe, and the notches 12 are provided horizontally from the respective elongated holes 11 in the same circumferential direction of the pipe. It can be implemented only by providing a substantially circular hole 21 at the position. Although the embodiment has been described above, in the present invention, the size and length of the diameter of the tube can be freely set, and the length of the elongated hole, the shape of the cut portion and the hole, the number and The interval length can be freely designed. Further, the present invention can be practiced by providing a slot and a cut portion in the outer tube and a hole in the inner tube.

[0014]

According to the above configuration, in the first embodiment of the present invention, the length of the column can be easily changed in a large range as needed. The notches of the inner tube and the holes of the outer tube are fastened and fixed by bolts and nuts as fastening means, but since the individual notches are connected by elongated holes, Just loosen the bolts and nuts to align the holes with the other cuts, and re-tighten the bolts and nuts to change the height, and the bolts and nuts must be completely separated. Absent. Furthermore, since the hole is formed from a long hole that is long in the circumferential direction of the pipe, the present invention can be applied even when the pipe is a square pipe. In the second embodiment of the present invention, since the interval between the cut portions of one tube and the interval between the holes of the other tube are different, the length of the shorter one of the intervals is different. The height of the support can be changed. In the third aspect of the present invention, by providing height fine adjustment means on the upper part and / or the lower part of the column,
The height of the upper end of the support can be set to be the same without being adversely affected by the unevenness of the installation surface. As described above, the present invention has a remarkable effect.

[Brief description of the drawings]

FIG. 1 is an explanatory front view of an embodiment of the present invention, and FIG.
(A) is a front view of the inner tube, and FIG. 1 (B) is a front view of the outer tube.

FIG. 2 is an explanatory cross-sectional view of the embodiment of the present invention, FIG.
(A) uses a square pipe, and FIG. 2 (B) uses a circular pipe.

FIG. 3 is an explanatory view of a lower end portion of a support according to the embodiment of the present invention.

FIG. 4 is an explanatory view illustrating a conventional column height adjusting means.

[Description of Signs] 10 Inner tube 11 Long hole 12 Notch 17 Bolt 18 Nut 20 Outer tube 21 Hole 22 Nut 23 Bolt 24 Bolt head 25 Prop head 26 Handle

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04H 15/00-15/64 E04C 3/00-3/46 E04G 25/00-25/08 F16B 7 / 14

Claims (3)

(57) [Scope of request for utility model registration] A strut is composed of two tubes (10) and (20), and one of the tubes (10) can be fitted inside the other tube (20). An elongated hole (11) is provided in the tube body (10) in the longitudinal direction and at a position substantially symmetrical with respect to its axis, and the elongated hole (11) is provided at an appropriate position of the elongated hole (11). An appropriate number of cuts (12) are provided in the circumferential direction of the pipe, and the other pipe (20) has holes (21) corresponding to the cuts (12) at positions substantially symmetric with respect to the axis thereof. The hole (21) is a long hole in the circumferential direction of the pipe.
Are al formed, cut portion of one of the pipe body by fastening means such as bolts and nuts (10) (12) and the hole portion of the other tube (20) and (21) is matched to the fixed fastening A support structure for a simple structure such as a tent, wherein the height of the support can be changed. 2. A plurality of holes (21) provided in the other tube (20) are provided in a plurality of rows in the longitudinal direction of the tube, and a notch provided in one tube (10).
The support structure for a simple structure such as a tent according to claim 1, wherein the distance between the (12) and the distance between the holes (21) provided in the other pipe (20) is made different. 3. A tent like simple according to claim 1 or 2, characterized in that the height of the column was added height fine adjustment means which can be finely adjusted in the upper part and / or the lower portion of the column The support structure of the structure.