JP2018068147A - Vinyl house ventilation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vinyl house ventilation apparatus which has no fear that the opening and closing device is buried in the snow at normal snowfall amount or that cannot be opened quickly due to freezing, and in which cold air around the ground surface does not strike directly on the seedlings when it is opened, and in which water, snow ice, dust and the like are not adhered to a take-up portion so as not to be rolled in.SOLUTION: The lower end portion of the opening and closing sheet 2 is fixed to the lower end portion of the side window, the upper end portion is fixed to a take-up bar 3, and by taking up or back the opening and closing sheet 2 with the take-up bar 3, the side window of a vinyl house 1 is opened and closed. The lower end portion of a take-up bar supporting belt 4 for supporting the take-up bar 3 is fixed to both end portions of the take-up bar 3, and the upper end portion of the take-up bar supporting belt 4 is fixed to the structure of the vinyl house 1, so that the take-up bar 3 does not slide down. A cover portion 5 capable of covering the take-up bar 3 located at the upper portion of the side window when the take-up bar 3 rises and the side window of the vinyl house 1 is fully closed is installed on the upper end portion of the side face of the vinyl house 1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a greenhouse ventilation device for ventilating by opening and closing windows (hereinafter referred to as side windows) provided on the side of an agricultural greenhouse.

  Agricultural greenhouses (hereinafter also referred to as “houses”) are used to grow crops such as vegetables and flowers, and are mainly intended to keep warm and protect the crops from rain. However, if it is always sealed with vinyl, it can often become so hot that it can adversely affect crops even in winter. Therefore, the side window of the house can be opened and closed, and is opened at a high temperature to ventilate the outside air to lower the temperature in the house to the same level as the outside air temperature.

  The most widely used method for opening and closing the side of the house is as follows. Non-Patent Document 1 discloses a typical example of a conventional house side opening and closing method, and will be described below with reference to the drawings. FIG. 8 is a perspective view when a side window of a greenhouse with a conventional greenhouse ventilation device is half-opened, and FIG. 9 is a side view of a greenhouse with a conventional greenhouse ventilation device fully closed. FIG. The side window of the greenhouse refers to an open part of the side surface of the greenhouse. In FIG. 8, the dovetail frame 6a located on the upper side of the house side, the left side edge covering film 11a, and the right side edge covering film 11b A portion surrounded by the dovetail frame 6b located at the lower part of the side surface of the house is a side window. The side window can be opened and closed by covering the side window with the opening / closing sheet 2 and winding the opening / closing sheet 2 around the winding rod 3 or by rewinding the opening / closing sheet 2 from the winding rod 3. As shown in FIGS. 8 and 9, the upper side of the opening / closing sheet 2 is fixed to the dovetail frame 6 a installed horizontally on the shoulder of the house by an elastic system streak (not shown). The lower side is fixed to a cylindrical or column-shaped winding rod 3. A winding handle 8 (or a rotation driving device) is connected to the winding rod 3 and is rotatable. The open / close sheet 2 is wound around the take-up bar 3 by rotating the take-up bar 3 using the take-up handle 8, and the open / close sheet 2 is rewound by rotating the take-up bar 3 in the reverse direction. As shown in FIG. 8, in the state which opened the side window of the house half, the part below the winding-up stick | rod 3 is open | released. A skirt film 12 is installed at a lower part of the house side window to a height of about 30 cm above the ground. As shown in FIG. 9, in the state where the side window of the house is fully closed, the opening / closing sheet 2 is rewound, and the winding bar 3 is located near the ground surface. When the side window is opened, the winding rod 3 is rotated to wind the opening / closing sheet 2 around the winding rod 3. When the side window is fully opened, almost all of the open / close sheet 2 is taken up by the take-up bar 3, and the take-up bar 3 is positioned about 30 cm below the dovetail frame 6a located at the upper part of the house side window.

  However, in this method, as shown in FIG. 9, since the winding rod 3 is located near the ground surface when the side window is fully closed, the winding rod 3 and the winding rod in the cold region where there is a lot of snow in winter such as the Tohoku region. Often there is a situation where the handle 8 cannot be quickly opened when it is buried in the snow or frozen in thaw water and needs to be opened.

  Furthermore, as shown in FIG. 9, when the side window is fully closed, the take-up bar 3 is located near the ground surface, so that dirt such as rainwater, snow, dead leaves, etc., adheres to the connecting part of the take-up bar 3 and the open / close sheet 2 However, since these are involved when winding, there are problems that opening and closing becomes difficult and the opening and closing sheet 2 is damaged by dirt.

  Furthermore, in low temperature periods such as winter, it may be necessary to open the side windows a little instead of opening them completely in order to keep the temperature and ventilate. In this case, in the above method, the air is released from the vicinity of the ground surface, so that cold air introduced from the outside may directly hit the seedlings and adversely affect them.

  As another method, the lower side of the opening / closing sheet is fixed to the lower side of the house side window, the upper side of the opening / closing sheet is fixed to a vertically movable frame, the side window is closed by raising the frame, and the frame is lowered. An apparatus that opens the side window by causing the torsion is proposed (Patent Document 1). In this system, since the movable frame is located on the shoulder of the house when fully closed, it is considered that the situation that the movable frame is buried in snow and freezes during snow accumulation hardly occurs. However, in this device, when the side window is opened, the open / close sheet is loosened by its own weight and folded, rainwater collects between the folded sheets, algae is generated there, and dirt such as dead leaves adheres. It is considered that the opening / closing sheet becomes dirty. In addition, this vertically movable frame system requires a mechanism that raises and lowers the movable frame and fixes it at an arbitrary opening, and the number of parts is complicated.

  Furthermore, as another method, the lower side of the opening / closing sheet is fixed to the lower side of the house side window, the upper side of the opening / closing sheet is fixed to the winding bar, and the winding bar is the upper side of the house side window when the side window is fully closed. A device that opens from the upper side of the house-side window by winding the open / close sheet around a winding rod has been proposed (Patent Document 2). In this device, in order to prevent the take-up rod from falling naturally due to its own weight and the weight of the wound open / close sheet, the take-up rod is pulled up and supported, so that the extension body, roller support post, roller and weight It has a mechanism composed of Even in this device, since the winding rod is located on the upper side of the side of the house when the side window is fully closed, there is little possibility that the winding rod is buried in the snow even during snow accumulation. However, the mechanism for pulling the take-up bar upward is complicated and hinders its spread.

JP 2002-27843 A JP 2005-318824 A

“House Maru Yomiuri Vol.1 that understands the basics of Green House”, Watanabe Pipe Co., Ltd., 2011, pp. 68-69

  The problem to be solved by the present invention is that there is no fear that the switchgear will be buried in snow at normal snow loads, or that it will freeze and cannot be opened quickly when needed, and cold air introduced from the outside at the time of opening will be directly It is a greenhouse ventilation device that does not hit a seedling and does not get caught in water, snow ice, or dust attached to the winding portion, and is to provide a greenhouse ventilation device that is as simple as possible.

  According to a first aspect of the present invention, there is provided a ventilation apparatus for a greenhouse, comprising: a winding rod support belt for supporting a winding rod that winds an opening and closing sheet that opens and closes a side window of the greenhouse; The take-up bar can be raised and lowered, and the upper end of the open / close sheet is fixed to the take-up bar, the lower end of the open / close sheet is fixed to the lower end of the side window of the greenhouse, and the upper end of the take-up bar support belt Is fixed to the structure of the greenhouse, and the lower end of the take-up bar support belt is fixed to the take-up bar, and the take-up bar support belt is rewound from the take-up bar while winding the open / close sheet on the take-up bar. As a result, the take-up bar descends, the side window of the greenhouse is opened, and the take-up bar support belt is taken up on the take-up bar while rewinding the opening and closing sheet from the take-up bar. Therefore, the winder bar is raised, the side window of the greenhouse is closed, and a cover part that can cover the winder bar located at the upper part of the side window of the greenhouse is provided with the side window of the greenhouse closed. It is characterized by that.

  A greenhouse ventilation device according to a second aspect of the present invention is provided with an intermediate portion support band for supporting the intermediate portion of the winding rod in the greenhouse ventilation device of the first aspect, and the intermediate portion support band is a winding rod. It is possible to wind up and unwind from the take-up rod, and one end side of the intermediate part support band is fixed to the take-up bar, and the intermediate part support band passes through the rolling element and the other end side of the intermediate part support band Is attached with a weight, and the intermediate support band is pulled downward by the gravity of the weight through the rolling element.

  A greenhouse ventilation device according to a third aspect of the present invention is the greenhouse ventilation device according to the first aspect of the invention, comprising an intermediate portion support band made of an elastic body that supports the intermediate portion of the winding rod, and the intermediate portion support band. Can be wound around the take-up rod and unwound from the take-up rod. One end side of the intermediate support band is fixed to the take-up bar, and the other end side of the intermediate support band is the structure of the greenhouse. It is characterized by being fixed to an object.

  In the greenhouse ventilation device according to the first aspect of the invention, the upper end of the opening / closing sheet is fixed to the winding rod, and the lower end of the opening / closing sheet is fixed to the lower end of the side window of the greenhouse. The upper end of the support belt is fixed to the structure of the greenhouse, and the lower end of the take-up bar support belt is fixed to the take-up bar. Since the wind-up rod is raised by winding the support belt and the side window of the greenhouse is closed, the wind-up rod located at the upper part of the side window of the greenhouse is covered with a cover. There is no risk that the winding rod will be buried or frozen in the amount, and there will be no risk that it will not be able to open quickly when it is necessary.

  Since the winding rod is supported by the winding rod support belt, the winding rod does not slide down due to its own weight and the weight of the opening / closing sheet.

  When the side window of the greenhouse is closed, the winding bar located at the top of the side window of the greenhouse is covered with a cover, so rainwater, snow, dead leaves, etc. on the joint between the winding bar and the opening / closing sheet It is possible to prevent adhesion of dust such as.

  In a house having a long side, when the winding rod is supported only at two locations on both ends, the central portion of the winding rod is easily bent downward by its own weight. When the winding rod is bent, it is difficult to wind and unwind the opening / closing sheet. The ventilation apparatus for a greenhouse according to the second and third aspects of the present invention is provided with a winding bar intermediate part support band at one place or several places as required in the middle part of the winding bar. Prevents bending.

  The greenhouse ventilation apparatus according to the present invention has a relatively simple mechanism and is considered to be relatively inexpensive to manufacture.

FIG. 1 is a perspective view when a side window of a greenhouse is fully closed in an embodiment of a greenhouse ventilation device according to the present invention. FIG. 2 is a perspective view of the greenhouse ventilation device according to the present invention when the side window of the greenhouse is half-opened. FIG. 3 is a partial perspective view showing the relationship between the winding rod, the winding rod support belt and the opening / closing sheet when the side window of the greenhouse is half-opened in an embodiment of the greenhouse ventilation apparatus according to the present invention. is there. FIG. 4 is a perspective view showing a take-up handle and a take-up handle guide column connected to a take-up rod in an embodiment of a greenhouse ventilation apparatus according to the present invention. FIG. 5 is a partial end view of the greenhouse ventilation device according to the present invention when the side window of the greenhouse is fully closed. FIG. 6 is a partial end view when the side window of the greenhouse is half-opened in one embodiment of the greenhouse ventilation device according to the present invention. FIG. 7 is a partial end view when the side window of the greenhouse is half-opened in another embodiment of the ventilation device of the greenhouse according to the present invention. FIG. 8 is a perspective view when a side window of a greenhouse equipped with a conventional greenhouse ventilation device is half-opened. FIG. 9 is a perspective view when a side window of a greenhouse equipped with a conventional greenhouse ventilation device is fully closed.

  Next, embodiments of the present invention will be described with reference to the drawings. Needless to say, various changes and modifications can be made without departing from the technical scope of the present invention.

  FIG. 1 thru | or FIG. 6 shows Example 1 of the ventilation apparatus of the greenhouse 1 of this invention. 1 shows a state in which the side window is fully closed, and FIG. 2 shows a state in which the side window is half open. In FIG. 2, the side window in the present invention includes a dovetail frame 5-2 located at the upper part of the side surface of the greenhouse 1, a left side end portion covering film 11 a, a right side end portion covering film 11 b, and the greenhouse 1. It is a portion surrounded by a dovetail frame 6 located at the lower part of the side surface. As shown in FIG. 1, the lower end portion of the opening / closing sheet 2 is fixed to a dovetail frame 6 installed at the lower side of the side of the greenhouse 1 using an elastic system streak (not shown). The upper end portion of the opening / closing sheet 2 is fixed to the take-up bar 3 using a greenhouse packer (not shown). As the material of the opening and closing sheet 2, a vinyl chloride resin sheet and a polyolefin resin sheet generally used for covering an agricultural greenhouse are suitable, but used for coverings other than openings such as roofs and wife surfaces of the greenhouse. The same material as the seat being used may be used. A skirt film 12 is stretched at the lower part of the side surface of the greenhouse 1, the upper end of the skirt film 12 is fixed to the dovetail frame 6, and the lower end of the skirt film 12 is embedded in the ground. . FIG. 1 shows only the opening / closing sheet 2 of one side window of the greenhouse 1, but the opening / closing sheet having the same configuration as that shown in FIG. 1 is arranged in the other side window on the opposite side of the greenhouse 1. Has been. Moreover, the opening / closing sheet | seat arrange | positioned at the other side window of the other side of the greenhouse 1 is also equipped with the opening / closing mechanism of the same structure as what is demonstrated in the following paragraphs [0023]-[0031].

  The winding rod 3 is a cylinder or cylinder having a diameter of about 20 mm and a length of about 50 cm longer than the length of the side surface of the greenhouse 1. The material is preferably a metal such as iron or aluminum or a synthetic resin such as vinyl chloride. One end of the take-up bar 3 is connected to a take-up handle 8. A take-up handle guide column 9 is erected vertically on an extension of the side surface of the greenhouse 1 and at a position about 50 cm away from the greenhouse 1. As shown in FIG. 4, the winding handle 8 has a hole penetrating vertically, and the winding handle 8 is fitted to the winding handle guide column 9 through this hole. One end of the take-up bar 3 is connected to a take-up handle 8, and the take-up handle 8 is guided by a take-up handle guide column 9 while rotating the take-up bar 3 with the take-up handle 8. Can be moved to.

  The take-up handle 8 and the take-up handle guide column 9 are devices for easily rotating the take-up rod 3, but the device for easily rotating the take-up rod 3 is not limited to this. Various known techniques such as a type in which a rotary drive device is connected can be applied.

  The lower end portion of the take-up rod support belt 4 is fixed to both ends of the take-up rod 3 on the right and left sides of the portion to which the open / close sheet 2 is fixed. The upper end portion of the winding rod support belt 4 is fixed to the framework 7-1 of the greenhouse 1. FIG. 3 shows the relationship between the winding rod 3, the winding rod support belt 4, and the opening / closing sheet 2 when the side window of the greenhouse 1 is half-opened. The opening / closing sheet 2 and the take-up bar support belt 4 are wound in directions opposite to each other with respect to the rotation direction of the take-up bar 3. That is, in FIG. 3, when the take-up bar 3 is rotated counterclockwise when the greenhouse 1 is viewed from the left side, the open / close sheet 2 is rewound and the take-up bar support belt 4 is taken up. Rolls upward while being pulled by the take-up bar support belt 4, and the side window of the greenhouse 1 is closed. Further, when the winding rod 3 is rotated clockwise when the greenhouse 1 is viewed from the left side, the opening / closing sheet 2 is wound up, the winding belt 4 is rewound, and the winding rod 3 is rotated together with the opening / closing sheet 2. It moves downward and the side window of the greenhouse 1 is opened. Since the winding rod 3 is always pulled upward by the winding rod support belt 4, it does not slide down due to its own weight and the weight of the opening / closing sheet.

  As shown in FIG. 1, in order to improve the sealing property of the greenhouse 1 when fully closed, it is between the dovetail frame 5-2 and the dovetail frame 6 and on the left side of the greenhouse 1 is a side edge covering film 11a. Is stretched, and a side surface end covering film 11b is stretched on the right side of the greenhouse 1. The right end portion of the left side end cover sheet 11a is stretched so as to overlap the left end portion of the open / close sheet 2, and the left end portion of the right side end cover sheet 11b overlaps the right end portion of the open / close sheet 2. It is stretched. Therefore, when the side window of the greenhouse 1 is fully closed, there is no gap between the left and right sides of the opening / closing sheet 2. The material of the side surface end covering films 11a and 11b may be the same material as that of the sheet used for covering the roof of the greenhouse 1 or the wife surface.

  The cover 5 that can cover the winding rod in a state in which the side window of the greenhouse 1 is closed has the same length as the side surface of the greenhouse 1 and the width of the side window of the greenhouse 1 is fully closed. It is comprised from the sheet | seat of a magnitude | size sufficient to cover the winding-up rod 3 sometimes, and the cover part weight 5-1 (refer FIG. 5, FIG. 6) fixed to the lower end of this sheet | seat. As the material of the sheet constituting the cover portion 5, a vinyl chloride resin sheet or a polyolefin resin sheet generally used for covering an agricultural greenhouse is suitable. The same sheet 2 may be used. As shown in FIGS. 5 and 6, the upper end of the cover 5 is fixed to a dovetail frame 5-2 installed on the shoulder of the greenhouse 1 by an elastic line (not shown), and the cover 5 A cover weight 5-1 is fixed to the lower end of the housing by a house packer (not shown). The cover 5 may be configured by a sheet that is integral with a sheet that covers the roof of the greenhouse 1. In that case, the sheet | seat which covers the roof of the greenhouse 1 is fixed to the dovetail frame 5-2 installed in the shoulder part of the greenhouse 1 by the elastic system | strain line | wire (not shown), and dovetail frame 5-2 The upper part becomes the roof, and the lower part becomes the covering part 5. The cover weight 5-1 is a cylinder or cylinder having the same length as that of the side surface of the greenhouse 1 and a diameter of about 10 to 20 mm. The material is preferably a metal such as iron or aluminum or a synthetic resin such as vinyl chloride. Yes. The upper end of the cover part 5 is fixed to the dovetail frame 5-2, and the cover part 5 can be opened outward of the greenhouse 1 with the portion fixed to the dovetail frame 5-2 as an axis. As shown in FIGS. 2 and 6, when the side window of the greenhouse 1 is open, the cover 5 does not exhibit any effect, but when the side window is fully closed, as shown in FIGS. 1 and 5. Since the winding rod 3 is located about 20 cm below the dovetail frame 5-2, the covering portion 5 is opened and the winding rod 3 is accommodated, and the winding portion 3 and the uppermost portion of the open / close sheet 2 are covered by the covering portion 5. Cover. Thereby, it is possible to prevent dust such as rainwater, snow, and dead leaves from adhering to the uppermost part of the winding rod 3 and the opening / closing sheet 2.

  5 and 6 are partial end views of the greenhouse 1 showing the intermediate part support belt 10 of the winding rod. FIG. 5 shows a state when the side window of the greenhouse 1 is fully closed, and FIG. 6 shows a state when the side window of the greenhouse 1 is half-opened. One end of the take-up bar intermediate part support band 10 is fixed to the intermediate part of the take-up bar 3 (see FIG. 2), and the other end of the take-up bar intermediate part support band 10 is attached to the shoulder skeleton 7-1 of the greenhouse. A weight 10-2 is placed in the air on a weight mounting portion 10-3 provided between the other end of the winding rod intermediate support belt 10 that is hung around the suspended pulley 10-1 and is in contact with the pulley. It is attached to hang. The winding rod intermediate portion support band 10 is a belt-like or string-like one, and the length of the winding rod intermediate portion support band 10 is at least twice the height of the dovetail frame 5-2 from the ground. Is desirable. As shown in FIGS. 5 and 6, it is preferable that the weight attaching portions 10-3 are provided at two or more locations in the longitudinal direction of the winding rod intermediate portion support band 10. By doing so, in accordance with the opening degree of the side window of the greenhouse 1, the weight mounting portion 10-3 at an appropriate position on the winding rod intermediate support band 10 is attached so that the weight 10-2 is suspended in the air. A weight 10-2 can be attached. Thereby, the intermediate portion of the winding rod 3 is always pulled upward by the weight 10-2 attached to the weight mounting portion 10-3 of the winding rod intermediate portion support band 10, so that the intermediate portion of the winding rod 3 It is possible to prevent the portion from bending downward due to its own weight and the weight of the opening / closing sheet 2.

  FIG. 7 is a partial end view of the greenhouse 1 showing the intermediate part support belt 10 of the winding rod of another embodiment of the ventilator of the greenhouse 1 according to the present invention, and the state when the side window of the greenhouse 1 is half-opened. Indicates. One end of the take-up bar intermediate part support band 10 is fixed to the intermediate part of the take-up bar 3, and the other end of the take-up bar intermediate part support band 10 is suspended by a frame 7-1 on the shoulder of the greenhouse. After passing through 10-1, it is fixed to a framework 7-2 located at the upper part of the inner surface of the greenhouse 1. The winding rod intermediate portion support band 10 has elasticity and expands and contracts depending on the position of the winding rod 3. Therefore, even if the intermediate part of the take-up bar 3 is bent downward, it is always pulled upward by the take-up bar intermediate part support band 10, so that the intermediate part of the take-up bar 3 depends on its own weight and the weight of the opening / closing sheet 2. It can prevent bending down.

  The material of the winding rod intermediate support band 10 is made of an elastic material such as rubber, or a material having elasticity, such as a belt made of a natural fiber or a synthetic fiber belt and an inelastic material and a coil spring. Can be used.

  The pulley 10-1 in FIG. 7 bypasses the winding bar intermediate support band 10 upward, so as not to prevent the cultivation manager and workers from passing on the side of the inside of the greenhouse 1, and winding Although the take-up bar intermediate support band 10 is provided for the purpose of smoothly expanding and contracting, the means for achieving these purposes is not limited to the pulley. A method of hanging the intermediate support belt 10 on the winding rod on the upper side of the frame 7-1 of the greenhouse located on the shoulder of the greenhouse and fixing it to the frame 7-2 located on the upper side, The above object can also be achieved by a method of hanging a ring from the frame 7-1 and fixing the take-up bar intermediate support band 10 to the frame 7-2 positioned at the upper part through this ring.

DESCRIPTION OF SYMBOLS 1 Plastic house 2 Opening and closing sheet 3 Winding stick 4 Winding stick support belt 5 Cover part 5-1 Cover part weight 5-2 Dovetail frame 6 Dovetail frame 6a, 6b Dovetail frame 7-1 Framework of the greenhouse 7- 2 Greenhouse Frame 8 Winding Handle 9 Winding Handle Guide Pillar 10 Winding Rod Middle Support Band 10-1 Pulley 10-2 Weight 10-3 Weight Mounting Portion 11a, 11b Side End Cover Film 12 Bottom Film

Claims (3)

  Winding rod support belts for supporting a winding rod for winding the opening and closing sheet that opens and closes the side window of the greenhouse are provided on the left and right sides of the opening and closing sheet, the winding rod is freely movable up and down, The upper end is fixed to the winding rod, the lower end of the opening and closing sheet is fixed to the lower end of the side window of the greenhouse, the upper end of the winding rod support belt is fixed to the structure of the greenhouse, and the winding The lower end of the take-up bar support belt is fixed to the take-up bar, and the take-up bar descends by rewinding the take-up bar support belt from the take-up bar while winding the open / close sheet on the take-up bar, and the side of the greenhouse The window is opened, and the winding rod rises by winding the winding rod support belt around the winding rod while rewinding the opening and closing sheet from the winding rod. A greenhouse ventilator comprising a cover capable of covering a winding rod located on an upper part of the side window of the greenhouse when the window is closed and the side window of the greenhouse is closed .   An intermediate portion support band for supporting an intermediate portion of the take-up rod is provided, and the intermediate portion support band can be wound around the take-up rod and can be rewound from the take-up rod, and one end side of the intermediate portion support band Is fixed to the winding rod, the intermediate support band passes through the rolling element, and a weight is attached to the other end side of the intermediate support band. The intermediate support band is moved downward by the weight of the weight through the rolling element. 2. The greenhouse ventilation device according to claim 1, wherein the ventilation device is pulled.   An intermediate part support band made of an elastic body that supports the intermediate part of the take-up bar is provided, and the intermediate part support band can be wound around the take-up bar and unwound from the take-up bar. 2. The greenhouse ventilation device according to claim 1, wherein one end side of the belt is fixed to a winding rod, and the other end side of the intermediate support belt is fixed to a structure of the greenhouse.