JPH0719247Y2 - Seat opening and closing device in plant cultivation house - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat opening / closing device in a plant cultivation house.

[0002]

2. Description of the Related Art In a so-called vinyl house in which arch-shaped frame bodies are continuously installed and a vinyl sheet is formed on the frame bodies to form a greenhouse-shaped cultivation room, temperature control inside the house is important. It is an issue. It is known that a skylight is provided in the house ridge for the purpose of ventilating the inside of the house when the temperature in the house becomes high, but the skylight has a high equipment cost and has not been widely spread.

In view of the above situation, the inventor of the present application has developed a seat opening / closing device capable of opening and closing the house ridge over the entire length of the house so that the temperature inside the house can be easily adjusted, and Japanese Patent Application No. 3-27696. I proposed a device.

In the above invention proposed in FIGS. 5 and 6, a plurality of arched frame bodies 2 are arranged in parallel, and the left and right halves of the frame bodies 2 are arranged in parallel in the first sheet 4 and the first sheet 4. The second sheet 5 is covered with a vinyl sheet and the side edge of the first sheet 4 is fixed to a movable shaft 6 movably provided in the house ridge, and the second sheet 5 is directly fixed to the house ridge. A fixed shaft 21 is provided at a fixed position of the part, the fixed shaft 21 and the movable shaft 6 are connected by a string 23, and the movable shaft 6 and the fixed shaft 21 are connected.
In a seat opening / closing device that opens and closes vinyl sheets 4 and 5 in a house ridge by rotating, a bearing holding by an arm rod 17 having a mounting base end portion 16 formed at a base end portion and a forked support portion 18 at a tip end portion. The mounting base end portion 16 of the body 15 is fixed to the frame body 2, and a fixed shaft 21 is rotatably fitted to the forked support portion 18.

Since the movable shaft 6 and the fixed shaft 21 are rotated when the vinyl sheet is opened and closed, tool mounting pipes 24 and 25 having a quadrangular cross section are provided at the ends of the shafts projecting from the house. There is.

When the house ridge is opened, first, a tool (not shown) having a quadrangular cross section is inserted into the tool mounting pipe 24 of the movable shaft 6 to rotate the movable shaft 6. As a result, the movable shaft 6 moves away from the fixed shaft 21 while the first sheet 4 is wound and the string 23 is wound, and the house ridge is opened as much as the movable shaft 6 is separated from the fixed end of the second sheet 5.
When the cord 23 is completely rewound, the movable shaft 6 cannot rotate, and at this time, the house ridge is most opened.

Next, when closing the house ridge, if the fixed shaft 21 is rotated by using the tool mounting pipe 25 of the fixed shaft 21, the cord 23 is wound around the fixed shaft 21 and the movable shaft 6 is moved. While rewinding the first sheet 4, the fixed shaft 21
When the movable shaft 6 reaches the fixed end of the second seat 5, the house ridge is closed. Then, when the fixed shaft 21 is continuously rotated, the first seat 4 becomes the second seat 5
Overlying, the house ridge is completely closed.

[0008] The above proposed invention is such that the tool mounting pipes 24 and 25 provided on the movable shaft 6 and the fixed shaft 21 when the seat is opened and closed.
Although a tool is loaded into the machine to perform the rotation operation, if the house is large and installed at a location where the above shafts are mounted at high places, there is a new problem that it is not easy to open and close the seat. Has occurred.

[0009]

The problem to be solved by the present invention is to provide a seat opening / closing device which facilitates opening / closing work of a seat in a seat opening / closing device capable of opening / closing the house ridge over the entire length of the house. That is.

[0010]

Means for solving the problem in the present invention is to arrange a plurality of arched frame bodies in parallel,
The right and left halves of the frame body are covered with a group of juxtaposed frame bodies with a vinyl sheet composed of a first sheet and a second sheet, and a side end of the first sheet is fixed to a movable shaft mounted on a house ridge section. The second seat is directly fixed to the house ridge, and the fixed shaft axially mounted on the house ridge and the movable shaft are connected by a string, and the movable shaft or the fixed shaft is rotated to rotate the house ridge. In a seat opening / closing device for opening / closing a vinyl sheet, first and second bearing plates are provided on the movable shaft and the fixed shaft, and the respective tip portions of the first and second bearing plates are polymerized and coupled by a drive shaft. Then, the movable shaft and the drive shaft, and the fixed shaft and the drive shaft are connected by a rotation transmission mechanism, and the rotation drive mechanism is connected to the drive shaft.

[0011]

EXAMPLE A house 30 has a frame formed by a plurality of arch-shaped frame bodies 31 arranged in parallel and a horizontal rod 32 connecting the arranged frame bodies 31 to each other, and the frame is covered with a vinyl sheet. . The vinyl sheet is divided into a first sheet 33 that covers the left side portion and a second sheet 34 that covers the right side portion around the vertical line when the frame body 31 is viewed from the front, and the top portion of the first sheet 33 is divided. The side end has the same length as the entire length of the house ridge, and is wound around a movable shaft 35 movable in the house ridge, and the top side end of the second seat 34 is directly fixed to the house ridge. ing.

Therefore, when the movable shaft 35 is rotated and the first seat 33 is wound around the movable shaft 35, a gap 36 is formed between the movable seat 35 and the second seat 34, and the house ridge is opened. It

The top side end of the second seat 34 is attached to a support rod 37 fixed in a direction orthogonal to the frame 31. More specifically, the seat side end is inside the support rod 37 having a C-shaped cross section. Is folded back and polymerized, and a wire 38 bent in a zigzag shape is mounted in the support rod 37 to fix the sheet. The support rod 37 is locked to a U-shaped metal fitting 39 which is fixed to the frame body 31 in advance.

A bearing holder 40 is provided adjacent to the support rod 37.
Is provided. The bearing holder 40 includes an arm rod 41,
It is composed of a mounting base end portion 42 formed at the base end portion of the arm rod 41 and a forked support portion 43 formed at the distal end portion. The mounting base end portion 41 is fixed to the frame body 31, and the forked support portion 43 is It extends in parallel with the frame 31 while straddling the support rod 37. In addition,
The bearing holders 40 are provided at both ends of the house and in the middle of the house at appropriate intervals. Further, a fixed shaft 44 having the same length as the entire length of the house ridge is rotatably fitted to the bifurcated support portion 43.

Furthermore, the movable shaft 35 and the fixed shaft 4 are
4 is connected by a string 45, and the length of the string 45 is the same as that of the movable shaft 35 and the fixed shaft 45 when the movable shaft 35 winds the first sheet 33 and opens the opening of the house ridge most. Keep the same length as the distance.

When the fixed shaft 44 is rotated in a state where the string 45 is most stretched, the string 45 is pulled by the fixed shaft 4.
4 and thus the movable shaft 35 is fixed to the fixed shaft 44.
And the first sheet 33 is unwound and simultaneously covers the house ridge. The movable shaft 35 is the fixed shaft 4
When joined to No. 4, the top edge of the first sheet 33 is superposed on the top edge of the second sheet 34, thereby closing the house ridge. When opening the house ridge, the movable shaft 35 is rotated so as to wind the first sheet 33 around the movable shaft 35, contrary to the above.

Next, the movable shaft 35 and the fixed shaft 44.
A device for rotating the machine will be described. Both the movable shaft 35 and the fixed shaft 44 are projected from the house, and the movable shaft 3 is attached to the protruding portion.
5, the first bearing plate 46, and the fixed shaft 44 the second bearing plate 46.
Bearing plates 47 of the first and second bearing plates 4
The tips of 6, 47 are superposed and joined by a drive shaft 48.

The movable shaft 35 and the fixed shaft 44 are provided with chain gears 49 and 50, respectively, and the drive shaft 48 is provided with two chain gears 51 and 52. The first chain 53 is mounted along the first bearing plate 46 between the chain gears 49, 51, while the second chain 54 is mounted along the second bearing plate 47 by the chain gears 50, 51. It is installed between 52 and.

The drive shaft 48 is provided with another chain gear 55, and a drive chain 56 is mounted on the chain gear 55.

The embodiment is constructed as described above, and is shown in FIGS.
Shows the state where the house ridge is open. Therefore, to close the house ridge, the drive shaft 48 is rotated clockwise in the drawing by the drive chain 56. Then, the movable shaft 3 is moved by the first and second chains 53, 54.
5 and the fixed shaft 44 rotate together, the movable shaft 35 rewinds the first sheet 33, and the fixed shaft 44 winds the cord 45.

As the cord 45 is wound around the fixed shaft 44 and the rotation of the movable shaft 35, the movable shaft 35 is pulled toward the fixed shaft 44, so that the first sheet 33 is unwound to move the house ridge portion. cover. The movable shaft 35 is provided on the first bearing plate 46, and when the movable shaft 35 moves, it is carried out together with the first bearing plate 46. The chain 53 does not sag.

When the house ridge is opened, the drive shaft 48 is rotated counterclockwise to wind the first sheet 33 around the movable shaft 35 while moving away from the fixed shaft 44. The ridge opens.

Although the drive chain 56 is used to rotate the drive shaft 48 in the embodiment, the rotating means of the drive shaft 48 is not limited to the above. That is, the means such as directly attaching the electric motor to the drive shaft 48 is arbitrary.

[0024]

According to the present invention, in the opening / closing device for the vinyl sheet in the house ridge, the first and second movable shafts and the fixed shaft are provided.
Bearing plate, and the respective tip portions of the first and second bearing plates are superposed and coupled by a drive shaft, and the movable shaft and the drive shaft and the fixed shaft and the drive shaft are connected by a rotation transmission mechanism. Further, since the rotation drive mechanism is connected to the drive shaft, there is an effect that the vinyl sheet in the house ridge can be easily opened and closed.

[Brief description of drawings]

FIG. 1 is a perspective view of a seat opening / closing device.

FIG. 2 is a plan view of a seat opening / closing device.

FIG. 3 is a front view of the seat opening / closing device.

FIG. 4 is a perspective view showing a part of a vinyl house in which the present invention is implemented.

FIG. 5 is a front view showing a seat opening / closing device of a prior art proposed by the inventor of the present application.

FIG. 6 is a perspective view showing a part of the vinyl greenhouse in which the invention is implemented.

[Explanation of symbols]

 30 House 31 Frame 32 Side Rod 33 First Sheet 34 Second Sheet 35 Movable Shaft 36 Gap 37 Support Rod 38 Wire 39 C-Shaped Bracket 40 Bearing Holder 41 Arm Rod 42 Mounting Base End 43 Bifurcated Support 44 Fixed Shaft 45 String 46 First Bearing Plate 47 Second Bearing Plate 48 Drive Shaft 49 Chain Gear 50 Chain Gear 51 Chain Gear 52 Chain Chain 53 First Chain 54 Second Chain 55 Chain Gear 56 Driving Chain

Claims (1)

[Scope of utility model registration request] 1. A plurality of arched frame bodies are juxtaposed, and the left and right halves of the frame bodies are covered by a group of juxtaposed frame bodies with a vinyl sheet composed of a first sheet and a second sheet, The side end is fixed to the movable shaft mounted on the house ridge,
The second seat is directly fixed to the house ridge, and the fixed shaft axially mounted on the house ridge and the movable shaft are connected by a string, and the movable shaft or the fixed shaft is rotated to rotate the house ridge. In a seat opening / closing device for opening / closing a vinyl sheet, first and second bearing plates are provided on the movable shaft and the fixed shaft, and the respective tip portions of the first and second bearing plates are polymerized and coupled by a drive shaft. Then, the movable shaft and the drive shaft, the fixed shaft and the drive shaft are connected by a rotation transmission mechanism, and the rotation drive mechanism is connected to the drive shaft. .