JPH0612185B2 - Frame structure of agricultural ventilation fan with shutter plate - Google Patents

Description

TECHNICAL FIELD The present invention relates to a frame structure of an agricultural ventilation fan provided with a shutter plate, and particularly for vinyl locking of greenhouses, greenhouses and the like (hereinafter simply referred to as greenhouses). A vinyl locking outer body that can be attached (stretched) almost in the same plane as the outer wall constituting member is provided on the outer flange of the shutter frame, and the outer side of the shutter frame is attached to the agricultural ventilation fan mounting frame pillar. The present invention relates to a frame structure of an agricultural ventilation fan configured to attach a collar piece.

"Conventional Technology" The frame structure of a conventional agricultural ventilation fan with a shutter plate is
The structure shown in FIG. 5 is general.

For example, in the example of FIG. 5, the agricultural ventilation fan A ′ is
Shutter frame 21 having shutter plate 24
And the ventilation fan main body frame 27 provided on the shutter frame 21 and the blades 3 provided on the ventilation fan main body frame 27
1. Consists of a ventilation fan main body of the drive device 32, and a vinyl locking outer shell 25 provided outside the ventilation fan main body frame 27 (outer direction of the house, hereinafter, the outside refers to the outer positional relationship of the house). Has been done.

When installing this agricultural ventilation fan A'in the house,
On the frame pillar B for attaching the ventilation fan usually provided on the wall surface of the house,
Several mounting fittings 40 are wound, and each mounting fitting 40 is tightened to the ventilation fan main body frame 27.

Although not shown, the ventilation fan main body frame 27 may be attached to the pillar B by bolting or the like.

In this way, the shutter frame body 21 is attached via the ventilation fan main body frame body 27 attached to the frame column B in a state of protruding from the outer wall constituting member C for vinyl locking of the house.

Further, the vinyl D constituting the outer wall of the house is attached (stretched) through the vinyl locking outer shell 25 and the outer wall constituting member C.

As described above, the shutter part of the agricultural ventilation fan A ′ attached to the house protrudes from the outer wall constituent member (or the stretched vinyl D) forming the outer wall of the house, and specifically, the shutter part is The shutter frame body 21,
The shutter plate 24, the shutter plate mounting member (not shown, the same applies hereinafter), and the vinyl locking outer shell 25 and the like are outside the house (meaning that they project outside the outer wall constituent member).

[Problems to be Solved by the Invention] In the agricultural ventilation fan with shutter plate having the structure described in detail above, as described above, the shutter portion and the vinyl locking outer shell are provided with respect to the outer wall constituent member to which the vinyl is attached.
It has a protruding structure. Therefore, when the vinyl is stretched, the shutter portion and the vinyl locking outer body are projected from the frame strut (outer wall constituent member) from the vinyl stretched surface (house wall surface). Wind impact (fluttering by wind), flying dust, other things, vinyl cracks caused by other equipment, rods, etc., and it takes a lot of trouble to repair due to the cracks, and repair is also difficult , Etc.

Further, in the above-mentioned configuration, since the tension gap S is generated between the outer wall constituent member and the vinyl, the vinyl is liable to be unstable in the portion and the vicinity thereof, which is easily blown by the wind. In addition, there is a problem that other parts, rods, etc., are likely to hit the part, etc.
There is also a problem in strength. Also, there are many problems on the site side, such as wrinkles on the vinyl, and it takes time and labor to attach the vinyl.

Furthermore, in the conventional structure, since the shutter portion is outside the house, the shutter frame is exposed to rain, and in some cases exposed to volcanic ash, corrosion of the portion causes serious damage to the equipment,
There are problems such as impairing the durability of the agricultural ventilation fan as a whole.

Furthermore, in the conventional structure, the shutter part and the ventilation fan body part are
Since it is an integral structure, if either one needs to be replaced due to corrosion, breakdown, etc., the entire agricultural ventilation fan must be replaced, which is a waste of equipment and economical. There is a loss.

[Means for Solving the Problems] Therefore, according to the present invention, the vinyl locking outer body for mounting the vinyl and the outer brim piece of the shutter frame are substantially flush with the frame pillar of the house (in the drawings, the vinyl locking is performed). The member is slightly protruding from the frame pillar, but when it is actually attached to the house, it becomes almost the same surface. The same applies below), and it swelled up from the frame pillar of the house when the vinyl was installed. Avoiding the tensioning in the state, and eliminating the impact of wind on the vinyl (fluttering) generated by the bulging tensioning, or the flying dust, other equipment,
Eliminate the occurrence of cracks due to rods, the difficulty of protruding mounting, the generation of wrinkles due to wind impact, etc., and also the time and effort required for mounting vinyl, and the strength of vinyl is improved. For this purpose, the outer flange of the shutter frame attached to the frame column is provided with a vinyl locking outer body provided in a square shape when viewed from the front.

Further, in the present invention, since the frame column and the vinyl locking outer shell are arranged in substantially the same plane and the vinyl can be stretched in a substantially flat shape, the stretching of the vinyl can be made easier and smoother. In addition, the ventilation fan main body has a configuration in which it has an inner positional relationship (hereinafter, referred to as a house) with respect to a frame column provided on the outer flange piece (a first example and a second example described later). This is common.) Specifically, for example, when the diameter of the blade is 100 cm in Example 1, the left and right sides of the ventilation fan main body frame and the shutter frame body (here, left and right are the states attached to the house, The same applies to the following), the center distance between the screw fasteners and the screw fasteners is about 106 cm, the center distance between the vinyl locking outer shells of the left and right outer collar pieces is about 117 cm, and the distance between both ends of the left and right inner collar pieces is about Is about 112 cm.

Example 2, when the blade diameter is 80 cm, the center distance between the screw fittings and the screw tightening tools provided on the left and right of the ventilation fan main frame and shutter frame is about 90 cm, and the vinyl locking outer shell of the left and right outer collar pieces. The distance between the center of the body is about 100 cm, and the distance between both ends of the left and right inner collar pieces is about 95 cm.

Furthermore, the present invention provides a shutter part in the house, the shutter frame is exposed to rain, or is not exposed to volcanic ash, corrosion and damage of the entire agricultural ventilation fan is eliminated, in order to improve its durability, When the shutter part is mounted, the shutter part is attached to the frame pillar of the house through the outer flange piece.

In addition, even if either the shutter part or the ventilation fan main part needs to be replaced due to corrosion, failure, etc., only the part that needs replacement can be replaced, and in order to eliminate resource loss and economic loss, the above-mentioned frame A shutter frame body having an outer flange piece attached to a pillar and an inner flange piece for attaching a ventilation fan main body frame body, a ventilation fan main body frame body provided so as to be freely attached to the inner flange piece of the shutter frame body, and the ventilation fan main body frame body The shutter frame body and the ventilation fan main body frame body are provided in the greenhouse and the house, and the ventilation fan main body frame body is removable from the shutter frame body.

And for the purpose of making it possible to attach the ventilation fan main body frame to this shutter part more easily and with one touch,
In the present invention, the ventilating fan main body frame is shuttered through a lock nut provided on the inner flange piece, a threaded portion such as a threaded portion, and a screw fastening tool such as a bolt and a screw rod screwed to the threaded portion. It is configured to be attached to the frame.

[Operation] The operation of the present invention (installation status and method of attaching vinyl) will be described below. A frame pillar for mounting an agricultural ventilation fan provided on a wall surface of a house is provided on the inside of the outer flange piece of the shutter frame (house). Of the outer side of the outer collar piece and the mounting hole formed in the outer collar piece, and the tightening tool (usually bolts and nuts). ) And insert it. Such an operation is performed for each mounting hole.

As a result, in the configuration in which the shutter frame is attached to the frame column and the ventilation fan main body is integrated with the shutter frame, the ventilation fan main body is also attached at the same time.

However, when the ventilating fan main body is detachable from the shutter frame, the ventilating fan main frame is brought into contact with the inner flange of the shutter frame mounted as described above.

Then, the screw fastening tool is inserted into the screw fastening tool provided on the inner flange piece through the mounting hole provided on the ventilation fan main body frame, and then the screw fastening tool is tightened. When the screw fastener is tightened at each position, the ventilation fan main body frame is integrated with the shutter frame.

The agricultural ventilation fan mounted as described above is located inward of the outer wall constituting member that constitutes the house, and is mounted in the house when the vinyl is stretched as described later. Therefore, the shutter plate only projects outside the house when it is opened.

If the agricultural ventilation fan is attached through the above-mentioned operation, then the vinyl is attached (tensioned).

First, the vinyl locking outer shell provided on the outer flange of the mounting shutter frame is covered with the end surface of the outer vinyl that constitutes the wall surface of the house. For example, vinyl is stretched over a predetermined portion of the outer wall component of the house, and vinyl is stretched so as to conceal the agricultural ventilation fan.

When the vinyl is stretched as described above, the serration pressing wire rod formed of a spring material is press-fitted onto the vinyl locking outer shell of the shutter frame. By making the press fitting of the locking pressing wire on each vinyl locking outer body of the shutter frame, the vinyl is clamped to the peripheral portion of the shutter frame.

Then, when this compressed vinyl is cut along the inner surface of the shutter frame, the vinyl is stretched here except for the shutter plate of the agricultural ventilation fan, and the outer curtain is attached (stretched). Finishing the work.

As described above, the stretched outer vinyl is provided substantially flush with the outer wall constituting member of the house as shown in the figure.

Therefore, a large gap does not occur between the stretched outer vinyl and the outer wall constituent member of the house, and the conventional outer vinyl is not fluttered by the wind and does not flutter. . This also reduces heat loss.

In addition, the shutter part of the agricultural ventilation fan does not project outside the house, and there is almost no rust. No trouble will occur in relation to other adjacent sites or buildings.

In addition, the number of tears or cracks that occur when the vinyl is installed must be significantly reduced. It can contribute to simplification and speeding up of work, or reduction in equipment cost.

In addition, in order to remove the ventilation fan main body part, each screw fastener can be easily removed by screwing back. To remove the shutter frame, each tightening tool can be removed easily.

Therefore, the shutter part or the ventilation fan main body is corroded,
Even if it is damaged, it can be replaced with a new one easily and with one touch.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. 1 is an outer flange piece 2 attached to a frame pillar B for mounting an agricultural ventilation fan of a house and an inner flange piece to which a ventilation fan main body frame is attached. The shutter frame body 3 has a shutter frame body 3 and several shutter plates 4 are pivotally attached to the shutter frame body 1.

Further, on the outside of the outer brim piece 2 (in the radial direction of the shutter frame 1), the frame pillar B for mounting the agricultural ventilation fan is attached or the vinyl D is easily attached. The inner flange piece 3 extends outward (in the radial direction of the shutter frame 1). Further, on the outside of the outer flange piece 2 (which means the direction outside the house), there is provided a vinyl locking outer body (using a registered trademark Vinipet) having a square shape when viewed from the front. In the example, four vinyl locking outer shells 5 are provided, but the present invention is not limited to this example.

Reference numeral 6 in the figure denotes a locking pressing wire that is press-fitted onto the vinyl locking outer body 5.

Also, the shutter frame 1 and the vinyl locking outer body 5
Is provided with several mounting holes 13 for mounting the shutter frame 1 on the frame pillar B, and the shutter frame body 1 is mounted on the frame pillar B via tightening tools 14 inserted from the mounting holes 13. .

The ventilating fan main body is attached to the inner flange piece 3 of the shutter frame 1, but this attaching device usually has the following structure.

Specifically, as shown in detail in FIG. 2, the ventilation fan main body frame 7 is integrated with the shutter frame 1 through welding, screwing or the like.

Further, as shown in detail in FIG. 3, a screwing tool 8 is attached to the inner collar piece 3.
And a plurality of mounting holes 15 corresponding to the screw fittings 8,
The structure is provided by being provided on the ventilation fan main body frame 7 and being attached by screwing a screw fastening tool 9 inserted through the mounting hole 15 to the screw fastening tool 8.

Although not shown, the ventilation fan main body frame 7 can be attached to the shutter frame 1 via a means such as fitting or insertion.

In the figure, 10 is a frame piece for the blade 11 provided on the ventilation fan main frame 7, and 12 is a drive device for rotating the blade 11. Although not shown, the drive device 12 and the blades 11 may be configured to be rotationally driven via a winding medium such as a pulley. Reference numeral 16 is a support member that supports the drive device 12. The ventilation fan main body is composed of the ventilation fan main body frame 7, the frame piece 10, the blades 11, the drive device 12, and the like.

In the figure, A is an agricultural ventilation fan, and C is an outer wall constituent member of the house.

In the present invention, the outer wall constituent member C and the vinyl locking outer shell 5
Since the and are arranged in substantially the same plane, they can be stretched in a substantially flat state. Therefore, in order to make the stretching of the vinyl D easier and smoother, the ventilation fan main body frame 7 is
The configuration is such that the inner position of the house is more than that of the frame pillar B provided on the outer flange piece 2, and the following numerical values are shown as specific representative examples.

When the diameter of the blade 11 is 100 cm in Example 1, the center interval 100 of the screw fittings 8 and the screw clamps 9 provided on the left and right of the ventilation fan main body frame 7 and the shutter frame 1 is 106 cm, and the left and right outer brim pieces 2 The center interval 101 of the vinyl locking outer shell 5 is 117
cm, the distance 102 between both ends of the left and right inner collar pieces 3 is 112 cm.
And

Example 2, when the diameter of the blade 11 is 80 cm, the center interval 100 of the screw fittings 8 and the screw tightening tools 9 provided on the left and right of the ventilation fan main body frame 7 and the shutter frame 1 is 90 cm, and the left and right outer brim pieces 2
The center interval 101 of the vinyl locking outer shell 5 is 100 cm
Then, the interval 102 between the both ends of the left and right inner collar pieces 3 is 95 cm.

"Effects of the Invention" The present invention has the configurations described in detail above and has the following effects.

(1) According to the present invention, a vinyl locking outer shell provided in a square shape when viewed from the front is provided on the outer flange of the shutter frame attached to the frame pillar so that the outer wall constituting members have substantially the same planar shape. As a result, the gap formed between the vinyl and the frame pillar (or other frame for house construction, for example, the outer wall component) due to the protrusion of the vinyl disappeared, and the vinyl swelled when the vinyl was stretched. It is possible to prevent the rise and to prevent the generation of cracks and wrinkles, thereby reducing the time and labor required for attaching vinyl.

In particular, the elimination of the gap has various practical effects such as the effect that the vinyl does not float and the strength is improved, and further repair work and heat loss are eliminated.

(2) The present invention has a shutter frame body having an outer flange piece attached to a frame column and an inner flange piece for attaching a ventilation fan main body frame body, and a plurality of shutter plates pivotally attached to the shutter frame body, and the shutter frame body. A vinyl locking outer shell provided on the outer flange of the shutter frame, and a ventilation fan main frame provided on the inner flange of the shutter frame, and the outer flange of the shutter frame is attached to the frame pillar. Moreover, since the shutter part is provided in the house, it is possible to prevent the shutter part from being exposed to rain and in some cases exposed to volcanic ash, and to prevent corrosion and damage of the entire agricultural ventilation fan, thereby improving its durability.

(3) Further, according to the present invention, a shutter frame body having an outer flange piece attached to a frame column and an inner flange piece for attaching a ventilation fan main body frame body, and a ventilation fan main body freely attachable to the inner flange piece of the shutter frame body. A shutter body and a ventilation fan main body portion are provided in a house, and a frame body and a fan and a drive device for driving the ventilation fan are provided in the frame body, and the ventilation fan main body portion is detachable from the shutter portion. .

Therefore, when it becomes necessary to replace either the shutter part or the ventilation fan main body part due to corrosion, a failure, etc., either the shutter part or the ventilation fan main body part may be replaced. It has the effect of reducing the number of objects or the number of times, and effectively using resources and economic loss accompanying this decrease.

(4) Further, according to the present invention, the ventilation fan main body frame is provided with a screwing portion provided on the inner collar piece and a screw fastening tool screwed to the screwing portion.
Since it is attached to the shutter frame, the ventilation fan main body can be easily attached and detached.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a partially cutaway front view, and FIG. 2 is a schematic plan view showing the first example.
FIG. 3 is a schematic plan view showing the second example, FIG. 4 is a schematic plan view showing the dimensions of the second example, and FIG. 5 is a schematic plan view showing the conventional example. 1: Shutter frame 2: Outer flange piece 3: Inner flange piece 4: Shutter plate 5: Vinyl locking outer shell 6: Locking pressing wire 7: Ventilation fan main frame 8: Screw fitting, 9: Screw tightening tool 10: Frame piece, 11: Blade 12: Drive device, 13, 15: Mounting hole 14: Fastener, 16: Support member A, A ': Agricultural ventilation fan B: Frame column C: Outer wall component member D: Vinyl

Claims (4)

[Claims] 1. A shutter frame body having an outer flange piece attached to a frame pillar for mounting an agricultural ventilation fan in a greenhouse, a house, etc. and an inner flange piece for mounting a ventilation fan main body frame body, and a shutter frame body pivotally attached to the shutter frame body. Several shutter plates, a vinyl locking outer body provided in a square shape on the outer flange piece when viewed from the front, and a ventilation fan body frame body provided on the inner flange piece,
A shutter ventilation ventilator for agricultural use with a shutter plate, characterized in that the shutter ventilator and the ventilator fan drive frame are composed of blades provided on the ventilator fan drive frame and a drive device for driving the ventilating fan. Frame structure. 2. A shutter frame body having an outer flange piece attached to a frame pillar for mounting an agricultural ventilation fan in a greenhouse, a house, etc. and an inner flange piece for mounting a ventilation fan body frame body, and a shutter frame body pivotally attached to the shutter frame body. Several shutter plates, a vinyl locking outer body provided in a square shape on the outer flange piece when viewed from the front, a ventilation fan body frame body that is freely attachable to the inner flange piece, and this ventilation fan body frame body The shutter frame and the ventilation fan main body frame, which are composed of the blades and the drive device for driving the ventilation fan provided in the above, are arranged in a greenhouse, a house, etc., and the shutter frame and the ventilation fan main frame are detachable. Frame structure of agricultural ventilation fan with shutter plate. 3. A ventilating fan main body frame body is a shutter frame body via a lock nut, a threaded portion such as a threaded portion provided on the inner flange piece, and a screw fastener such as a bolt screwed into the threaded portion. The frame structure of the agricultural ventilation fan with a shutter plate according to claim 1 or 2, wherein the frame structure is attached to the frame. 4. The agricultural machine with a shutter plate according to claim 1 or 2, wherein the ventilation fan main body frame has a structure inwardly positioned relative to a frame column provided on the outer flange piece. Ventilation fan frame structure.