JPH0734726A - Tent winch - Google Patents

Abstract

PURPOSE:To make it possible to erect a post easily and safely even in a small space by supporting the post on a base metal fitting rotatively and mounting a rope or a winding device with a main body of a winch so as to support with the base metal fitting. CONSTITUTION:A winch main body is mounted to a base metal fitting 10 so that the lower part of the main body 81 is supported with the base metal fitting 10 mounted on the main body. Therefore, there is no need of another space to be secured in addition to a space which is required to build up the frame of a tent. A winding device 90 is installed to the main body 81 where one end of a rope 82 is fixed while a holding apparatus 83, which holds a post 20, is installed to the other end of the rope. This construction makes is possible to hold the post 20 with the holding apparatus 83 on the other end of the rope 82 and wind up the rope 82 with the winding device 90 and rotate the post 20 on the base metal fitting 10, thereby enabling the tent to be erected upright more easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winch for a tent, and more particularly to a winch for a tent which is mounted on a base metal member which rotatably supports a pillar constituting a framework of a tent so that the pillar is upright.

[0002]

2. Description of the Related Art The framework of a tent consists of columns, rafters, purlins,
Alternatively, the tent stretching frame member such as eaves metal fittings for connecting these is formed, and the tent stretching frame member that constitutes the ceiling of the tent such as rafters or purlins is supported by the columns. here,
Conventionally, in order to simplify the work when constructing the framework of the tent, after the support pillar is rotatably supported by the base metal fitting fixed to the ground in advance, after connecting the rafters and eaves metal fittings to this pillar. , In some cases, the columns were upright.

[0003]

However, as described above, when the column is upright, it must be done manually by the operator, which requires very complicated work. In particular, in the case of a large tent, it is necessary for a plurality of workers to manually perform the work or to erect the support columns with a device such as a crane, which makes the work more complicated. Moreover, when equipment such as a crane cannot be used due to a small space for constructing a tent, not only a great deal of manual labor by the worker is required, but also the work is dangerous. It was a thing. For this reason, it has been desired to make the column upright by a simple and safe operation.

The present invention has been made in order to solve such a problem, and the purpose thereof is to make it possible to safely erect the column upright by an easy work and use a crane. (EN) Provided is a winch for a tent which can be used even in a narrow place where it cannot be operated with a simple structure.

[0005]

The means adopted by the present invention for solving the above-mentioned problems will be described with reference to the reference numerals used in the drawings. A winch 80 for a tent, which is mounted on a freely supported base metal fitting 10 to erect the column 20, and which is a main body 81 supported by the base metal fitting 10 at a lower portion.
And a rope 82 having a winding device 90 provided on the main body 81, and a holding device 83 having one end fixed to the winding device 90 and holding the support column 20 at the other end. It is a winch for tent 80 ".

[0006]

The tent winch 80 of the present invention thus constructed operates as follows.

First, the tent winch 80 of the present invention is
The body 81 is attached to the base metal fitting 10.
It is supported by the base metal fitting 10 at the lower part of. Therefore, in order to install the winch 80 for the tent, it is not necessary to secure a space other than the space for constructing the tent frame 200, and the tent can be reliably used even in a narrow place where a crane or the like cannot be used. The winch 80 can be installed.

Next, the main body 81 is provided with a winding device 90, and one end of a rope 82 is fixed to the winding device 90. Then, at the other end of the rope 82, the support 2
A holder 83 for holding 0 is provided. For this reason,
If the support column 20 is held by the holding tool 83 at the other end of the rope 82 and the rope 82 is wound by the winding device 90, the support column 20 can be rotated with respect to the base metal fitting 10 and easily uprighted. Will not require much effort and will not be dangerous.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a winch 80 for a tent according to the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an example of a tent frame 200. This skeleton 200 includes a column 20, a rafter 3
0, purlin 50, or eaves metal fittings 40 connecting these to each other, and is constituted by a tension frame material 100 for a tent. As shown in FIG. It is rotatably supported by 10.

Here, the base metal fitting 10 is fixed to the ground by an anchor 11 in advance, and a through hole 12 is formed in the side surface thereof. Then, the connecting pin 70 is inserted through the through hole 12 and a through hole (not shown) formed in the lower portion of the column, so that the column 20 is rotatably supported by the base metal fitting 10. A mounted member 13 is rotatably supported in the vicinity of the through hole 12 of the base metal fitting 10. When the connecting pin 70 is inserted into the through hole 12 and then the mounted member 13 is rotated, The mounted member 13 is the connecting pin 7.
The head of 0 is worn. In this way, since the head of the inserted connecting pin 70 is sandwiched between the side surface of the base metal fitting 10 and the mounted member 13, the connecting pin 70 is securely fixed without being pulled out from the through hole 12.

A through hole 14 is further formed on the side surface of the base metal fitting 10. As shown in FIG. 3, the through hole 14 of the base metal fitting 10 is communicated with the lower portion of the main body of the winch 80 for tent. A mounting hole 84 is formed. Then, by inserting the pin 85 into the through hole 14 of the base metal fitting 10 and the mounting hole 84 of the winch 80 for the tent,
The tent winch 80 can be easily supported on the base metal part 10.

The main body 81 of the winch 80 for a tent has a substantially U-shaped cross section, which ensures sufficient strength and is inserted into the base metal fitting 10 to ensure the reliability of the base metal fitting 1.
It is attached to 0. Further, a winding device 90 is provided inside the main body 81 formed in a substantially U-shape so as to store almost the entire body, and the entire tent winch 80 is compactly stored. .

The winding device 90 includes a drum 91 to which a rope 81 is rotatably supported by a main body 81 and one end of a rope 82 is fixed, a first sprocket 92 fixed to the drum 91, and a mesh with the first sprocket 92. Chain 93, a second sprocket 94 that is rotatably supported by the main body 81 and meshes with the chain 93, and the second sprocket 94.
And the handle 95 for rotating the drum. The handle 91 is rotated to rotate the drum 91 and wind the rope 82. In the present embodiment, the winding device 9 for manually winding the rope 82.
Although the example of 0 is shown, it goes without saying that it may be operated by a driving device such as a motor or a cylinder. Further, the rope 82 is not limited to a string, but may be a wire, a chain, or the like.

The other end of the rope 82 is suspended from the upper portion of the main body 81 via a roller 86 provided on the upper portion of the main body 81, and at its end portion, a holder 83 for holding the support column 20. Is provided. The holder 83 includes a hook-shaped first arm 83a and a substantially L-shaped second arm 83b that is rotatably supported by the first arm 83a. The second arm 83b is used to hold the column 20 by holding it.

In this embodiment, as shown in FIG. 4, a pin 95a is movably supported by a handle 95, and a pin hole 81 through which the pin 95a is inserted in a main body 81.
a is formed. When the handle 95 is rotated to hold the upright column 20 by winding the rope 82 by the winding device 90, the pin 95a of the handle 95 should be inserted into the pin hole 81a of the main body 81. The handle 95 is firmly fixed so that it does not rotate,
The upright column 20 can be securely held in this state. Note that the pin 95a of the handle 95 is also attached to the pin hole 81 of the main body 81 even when the winch for tent is transported.
If the handle 95 is fixed by inserting it into a.
This is convenient because it can be prevented from moving and getting in the way.

Further, as shown in FIG. 1, the support column 20 which is erected upright by the tent winch 80 is provided adjacent to the eaves bracket 40 connected to the upper part of the support column 20 and the base metal fitting 10 supporting the support column 20. The upright state is maintained by the breath 21 that is obliquely arranged between the other base metal member 10 and the other base metal member 10.

When the column 20 is upright by the winding device 90 employed in this embodiment, the winding device 90
The dimensions of the drum 91, the first sprocket 92, the second sprocket 94, and the handle 95 may be determined by the following calculation formulas.

First, when the column 20 is upright, the force applied to the winding device 90 is T, the radius of the drum 91 is r ₁ , the radius of the first sprocket 92 is r ₂ , the radius of the second sprocket 94 is r ₃ , If the radius of the handle 95 is r ₄ ,
(1) The force P ₁ applied to the first sprocket 92 is P ₁ =
(R ₁ / r ₂ ) * T, (2) The force P ₂ applied to the second sprocket 94 is P ₂ = (r ₃ / r ₂ ) * P ₁ , (3) The force P applied to the handle 95 is P = (R ₃ / r ₄ ) * P
₂ , and (1) to (3), P = (r ₃ / r ₄ ) * (r ₃ / r ₂ ) * (r ₁ / r ₂ ).
* T. Therefore, the dimensions of the drum 91, the first sprocket 92, the second sprocket 94, and the handle 95 may be determined so that the value of P is a value at which the operator can rotate the handle 95. Even when the winding device 90 is operated by a driving device such as a motor or a cylinder, the dimensions of the drum 90 or the like may be naturally determined by the above-described calculation formula, or the output of the driving device to be adopted may be determined. .

[0020]

As described in detail above, the winch for tent of the present invention is mounted on the base metal fitting, and can be arranged without securing a space other than the space for constructing the tent. Is something that can be done. Further, by providing a winding device, and by winding the rope with this winding device, the support rotatably supported by the base metal fitting can be made to stand upright easily and without danger. is there.

Therefore, according to the present invention, a winch for a tent can be provided in which the supporting column can be safely made to stand upright by an easy operation and can be used even in a narrow place where a crane cannot be used. It can be provided by a simple structure.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a framework of a tent.

FIG. 2 is a partial perspective view showing a state in which a support is supported by a base metal fitting.

FIG. 3 is a perspective view showing an embodiment of a winch for a tent according to the present invention.

FIG. 4 is a partial cross-sectional front view of the tent winch shown in FIG.

[Explanation of symbols]

 10 base metal fitting 11 anchor 12 through hole 13 mounted member 14 through hole 20 support post 30 rafter 40 eaves metal fitting 50 purlin 70 connecting pin 80 tent winch 81 main body 81a pin hole 82 rope 83 retainer 83a first arm 83b second arm 84 Mounting hole 85 Pin 86 Roller 90 Winding device 91 Drum 92 First sprocket 93 Chain 94 Second sprocket 95 Handle 95a Pin 100 Tent tensioning frame material 200 Skeleton

Claims (1)

[Claims] 1. A winch for a tent, which is attached to a base metal fitting that rotatably supports a pillar that constitutes a framework of a tent and erects the pillar, and a main body supported by the base metal fitting at a lower portion, A winch for a tent, comprising: a winding device provided on the main body; and a rope having one end fixed to the winding device and a holding tool for holding the column at the other end.