JPH0541662Y2 - - Google Patents

Description

[Detailed Description of the Invention] {Industrial Field of Application] The present invention relates to a sheet-like object locking device that locks a sheet-like object in a straight line. More specifically, the present invention relates to a sheet-like object fastener for a simple greenhouse such as a vinyl greenhouse or a simple greenhouse that uses a sheet-like object as a roof or side wall.

{Conventional technology} Main cultivation facilities for vegetables, flowers and trees, etc. depend on the cultivar, per-product income, etc., and in addition to permanent greenhouses such as glass greenhouses and plastic greenhouses (hard film), general Generally, among farmers, so-called vinyl greenhouses, which use cheap so-called pipes as the framework and use soft vinyl as the covering material, are the most popular.

However, vinyl greenhouses have poor durability and need to be replaced with new vinyl every 1 to 2 years, resulting in high costs and troublesome expansion.

By using a hard film with improved weather resistance in place of the above-mentioned vinyl covering material, the durability will be approximately 4 to 6 years, and the above problems can be solved. However, there is a problem of tearing of the hard film.

{Problem to be solved by the invention} Regardless of whether a soft or hard film is used, when attaching a sheet-like object other than a film, such as a tarpaulin, to a structure, the requirements required for a fastener are as follows: This means that it can be easily expanded, the locking operation can be performed easily, and there is no damage to the sheet-like object.

Japanese Utility Model Application No. 60-12858 proposes a film stretching device whose main parts are a slit pipe and a holding plate. This film stretching device forms a slit in the house frame pipe, deforms the slit into an inverted V shape, attaches a holding plate facing the slit via a film, and attaches the holding plate to the house frame pipe slit with screws. I'm planning to stop it.

Although this device has the advantage that it uses few parts and is easy to handle, it uses a slit pipe, which weakens the framework, and there is a risk that the film will tear due to the holes being punched in the stretched portion of the film.

The purpose of the present invention is to improve the above-mentioned deficiencies of the prior art, and to provide a sheet-like object fastening device that can be applied to any of soft, hard, and thick sheet-like objects, does not tear the sheet-like objects, and is easy to handle. We aim to provide the following.

{Means for solving the problem} In order to achieve the above object, the present invention consists of the following configuration.

In other words, in a sheet-like object locking tool that locks the end of a sheet-like object, the locking tool consists of a receiver and a pressing tool, and the receiver is inserted into the sheet with the end of the sheet bent. A groove A that is open at the top and is disposed in the depth direction of the house, and a groove B that is open at the top and is disposed in the depth direction of the house and has a protrusion on the side wall surface. The pressing tool has a convex portion A' that fits into the groove A of the receiver and presses and clamps the sheet between the wall surface of the groove A with the end of the sheet bent, and the receiver. A sheet-shaped article fastening device, characterized in that it has a convex portion B' having a substantially spherical cross-sectional shape that fits into the concave groove B and is engaged with the protruding portion of the concave groove B. be.

The present invention provides a greenhouse house in which a frame constituting the greenhouse house is covered with a sheet made of synthetic resin, etc., and the present invention provides a sheet-like structure that grips one end of the sheet disposed in the depth direction of the framework of the greenhouse house. This relates to a device for securing objects.

The present invention will be explained in more detail.

FIG. 1 is a side view showing an example of a sheet-like object fastener according to the present invention, and FIG. 2 is a perspective view.

In the figure, a locking tool 1 has a receiving tool 2 and a pressing tool 3 as its main parts.

As shown in Fig. 1, the receiver 2 is a recess with an open upper end, which is disposed in the depth direction of the house, into which the two sheets S and S' can be inserted with their ends folded. A concave groove B having grooves A1 and A2, respectively, protrusions 4 and 4' on the side wall surface, and an open upper end disposed in the depth direction of the house.
It has The groove B is connected to the grooves A1 and A.
It is provided between 2. The pressing tool 3 fits into the grooves A1 and A2 of the receiver 2, and presses and clamps the sheets S and S' with the wall surface of the groove A with the ends bent into a U shape. The cross-sectional shapes of the protrusions A'1 and A'2 that fit into the groove B of the receiver 2 and that are engaged with the protrusions 4 and 4' provided on the side wall surface of the groove B are substantially It has a convex portion B' having a generally spherical clip 5. Projections 4 and 4' provided on opposing side walls of the groove B are provided along the groove B in the depth direction of the house, respectively. On the other hand, the clip 5 having a spherical cross-section that engages the protrusions 4 and 4' provided on the pressing tool 3 is provided continuously and linearly in the depth direction of the house. has a slightly larger diameter (width) than the gap between the protrusions 4 and 4', and when the protrusion B' fits into the groove B, the elasticity causes the groove B to close. There will be a gap, so after mating is complete, the convex part B' and the concave groove B
The fit is such that it will not come off even with a slight external force.

As shown in the figure, the sheet S is bent into a U-shape by being pressed into the grooves A and A' of the receiver 2 by the convex parts A and A' of the pressing tool 3. A double-sided adhesive tape or adhesive 6 is interposed between the sheet-like material S and the receiver 2. Using this double-sided adhesive tape or adhesive, after adjusting the temporary dimensions, press tool 3
By fixing by driving, the work can be performed straightly on the sheet-like object without causing wrinkles, and the workability of driving can be improved.

These pressing tools 3 are attached to the receiver 2 with a sheet-like adhesive tape, and then the sheet S is inserted into the recessed groove of the receiver 2 using a hammer or the like through the open part of the receiver 2. It is pressed and fixed.

FIG. 3 is an external view of the greenhouse house, and the seat anchor of the present invention is attached to the part a or b of the figure.

As mentioned above, the present invention relates to a fastening device for attaching a hard film or other sheet-like material that is attached under tension to the roof or side of a house.
The conventional tightening with screws has been replaced with double-sided adhesive tape or adhesive (shear stress).
Then, by applying the stiffness (Young's modulus) of the hard film and folding it in a 180° direction, it is possible to provide a strong locking device that can withstand almost the breaking strength of the film by utilizing the frictional force.

When setting the greenhouse covering material (sheet-like material) on the roof and sides using the tensile strength of the film, a tightening jig (bolts, turnbuckles, etc.) is required.
It is necessary to tension the film tightly and prevent it from flapping or tilting due to the wind, and it is possible to provide a locking tool that can hold the film close to its tensile strength (25 kg/mm ² ).

With conventional screw retainers, the stress is not evenly distributed to each screw, and if a strong force is applied, the film may shift, the screw hole may enlarge, and there is a risk of rain leakage or, in extreme cases, breakage. However, in this invention, the work of driving screws with an electric drill at the top of the roof ridge (20cm pitch in the depth direction of the house) has been improved.
2 rows on the side of the house) is eliminated, and the simple work of driving the pressing tool with a hammer or the like is sufficient, making it possible to provide a locking tool that is effective in reducing costs and speeding up execution.

[Effects of the Invention] With the above configuration, the present invention provides the following effects.

In other words, the biggest drawback of a house that utilizes the tensile strength of a hard film is that if the film end face is not strong enough to hold, it may break from the holding part due to suction or wind pressure from strong winds, and the workability of screwing is poor. However, according to the present invention, (a) The holding strength is strong, and it is possible to hold a sheet-like object close to its absolute strength.

There are no screw holes in the film and the long sides can be held continuously, so there is no chance of rainwater seeping in.

c) The construction speed is significantly increased compared to the screw driving method. In addition, the enforcement system is improved and wrinkles near the locking tool are eliminated.

2. It is possible to significantly reduce the cost of film expansion.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example of a sheet-like object fastener according to the present invention. FIG. 2 is a perspective view of FIG. 1. Figure 3 is an external view of the greenhouse house. 1... Locking tool, 2... Receiving tool, 3... Pressing tool,
S, S'... Sheet-like material, 4, 4'... Projection on side wall surface, A1, A2... Concave groove, B... Concave groove, A'1,
A'2...Protrusion, 5...Clip with spherical cross section,
B'... Convex portion, 6... Adhesive layer.

Claims (1)

[Claims for Utility Model Registration] (1) A sheet-like object locking device that locks the end of a sheet-like object, the locking device consisting of a receiver and a pressing tool, and the receiver is configured to lock the end of the sheet. A concave groove A with an open upper end arranged in the depth direction of the house that can be inserted in a bent state; The pressing tool has an open groove B.
A convex portion A' that fits into the groove A of the receiver and presses and clamps the sheet with the side wall surface of the groove A when the end of the sheet is bent, and a groove B of the receiver. A sheet-like object fastener characterized in that it has a protrusion B' having a substantially spherical cross-sectional shape that fits into the protrusion of the groove B. (2) The sheet-like object securing device according to claim 1, wherein the end portion of the sheet-like object is secured to the receiver via an adhesive tape or an adhesive.