JP7569160B2 - Fixing device for membrane edge - Google Patents

Description

The present invention relates to a fixing device for fixing the edge of a membrane material to a base for fixing the membrane material, and a method for fixing the edge of the membrane material using the same.

In recent years, the use of membrane materials as building materials has become widespread due to their high degree of freedom. A major problem with using membrane materials as building materials is how to secure the membrane material to the foundations, such as the pillars and beams to which it is fixed.

For example, Patent Document 1 discloses an integrated fixing device that has a guide hole on the front side for hooking the edge of the membrane material with the core material attached, and a connecting means on the back side that is fixed to a base body for fixing the membrane material, and connects to a retracting tool from the back side with the membrane material hooked, and retracts it, thereby fixing the edge of the membrane material to the base body while applying tension. However, because the edge of the membrane material with the core material attached needs to be inserted from the end of the guide hole, there is a problem that if the membrane material is very long, the work efficiency becomes extremely poor.

On the other hand, to avoid such problems, it is also possible to divide the fixing tool into two parts, attach a core material to the part that will become the guide hole of the first fixing member, and then install the other second fixing member so that it covers the edge of the membrane material to which the core material is attached, and then fix the two fixing members with bolts or the like. However, although this improves work efficiency, it requires a new process to fix the two fixing members, and overall it does not result in a significant improvement in work efficiency.

JP 2000-73625 A

The objective of the present invention is to provide a fixing device for the edges of membrane materials that ensures sufficient fixing strength for use as a building material, is easy to install, and has a beautiful appearance when fixed after completion.

In order to solve the above problems, the inventors conducted extensive research into the structure of a fixing device for the edge of the membrane material, and discovered that if the fixing device is made up of two engageable fixing members that, when engaged, form a guide hole and a connecting means, and each fixing member has a protrusion at the bottom of the portion that forms the guide hole, and the protrusions act on each other to inhibit movement perpendicular to the membrane material, the membrane material can be fixed without physically fixing both fixing members with bolts or the like, and thus completed the present invention.

In other words, the present invention relates to a fixing device for the edge of a membrane material that has a guide hole on the front side opened in the length direction for hooking the edge of the membrane material to which a core material is attached, and a connecting means on the back side that is fixed to a base body for fixing the membrane material, and that, when the membrane material is hooked, is connected to a retracting device and retracted, thereby applying tension to fix the edge of the membrane material to the base body. The fixing device is made up of two matable fixing members that form a guide hole and a connecting means when mated, and each fixing member has a protrusion at the bottom of the portion that forms the guide hole, and the protrusions act on each other to inhibit movement perpendicular to the membrane material.

The connecting means is preferably a connecting hole that is open along the length and opens on the rear side.

It is preferable that the retraction device is a bolt and that the head of the bolt is engaged with the connecting means.

It is preferable that the length is 0.4m or more.

The present invention also relates to a method for fixing an edge of a membrane material, which includes the steps of: placing an edge of the membrane material with a core material attached at a portion that will become a guide hole of a first fixing member of the two fixing members that make up the fixing device; fitting the other second fixing member with the first fixing member so as to cover the edge of the membrane material with the core material attached; and installing a retracting device on the connecting means and fixing the edge of the membrane material to a base body.

The present invention also relates to a method for fixing an edge of a membrane material, which includes the steps of: inserting an edge of a membrane material having a core material attached thereto into a portion of the first fixing member that serves as a guide hole of the first fixing member of the two fixing members that make up the fixing device; installing a retracting device into a portion of the first fixing member that serves as a connecting means; and engaging the other second fixing member with the first fixing member so as to cover the edge of the membrane material having the core material attached and the retracting device, thereby fixing the edge of the membrane material to the base body.

The present invention also relates to a method for fixing the edge of a membrane material, which includes the steps of fitting two fixing members that constitute the fixing device, applying an external force to both outsides of the joint using the protrusion as a fulcrum to widen the guide hole, and inserting the edge of the membrane material with a core material attached into the guide hole, applying an external force to both outsides of the widened guide hole using the protrusion as a fulcrum to narrow it, and installing a retractor on the connecting means and fixing the edge of the membrane material to the base body.

Furthermore, the present invention relates to a membrane material comprising the fixing device, a membrane material having a core material attached thereto, a retracting device, and a base body.

By using the fixing device for the edges of membrane material of the present invention, it is possible to provide a fixing structure for the edges of membrane material that ensures sufficient fixing strength for use as a building material, can be installed more easily, and has an excellent aesthetic appearance when the fixed part is completed.

FIG. 2 is a perspective view of a membrane edge fastener in the first embodiment of the present invention. 1A to 1C are diagrams showing steps of a method for fixing an edge of a membrane material using a fixing device for an edge of a membrane material in the first embodiment of the present invention. 1A to 1C are diagrams showing steps of a method for fixing an edge of a membrane material using a fixing device for an edge of a membrane material in the first embodiment of the present invention. FIG. 11 is a perspective view of a membrane edge fastener according to a second embodiment of the present invention. 13A to 13C are diagrams showing steps of a method for fixing an edge of a membrane material using a fixing device for an edge of a membrane material in a second embodiment of the present invention. FIG.

Below, two embodiments of the membrane edge fixing device of the present invention will be described with reference to the figures.

First embodiment FIG. 1 is a perspective view of a fixing tool A in a first embodiment of the present invention. The fixing tool A is composed of two fixing members 1a and 1b, which are fitted together. With the two fixing members fitted together, a guide hole 2 is formed on the front surface and a connecting means 7 is formed on the back surface. The guide hole 2 has an opening in the length direction, and the opening is used to hook the edge of the membrane material 3 to which the core material 6 is attached by sewing or adhesive. A retracting tool 5 fixed to the base body is disposed on the connecting means 7. Here, the membrane material refers to a flexible membrane material with a high degree of freedom such as a tent, and examples of the membrane material include cloth, polyvinyl chloride (PVC) membrane material, fluoropolymer membrane material, and polyethylene (PE) membrane material. Not only a sheet-like material but also a mesh-like material can be used as the membrane material.

The length of the membrane material of the fixing device in the width direction is not particularly limited, but is preferably 0.4 m or more, more preferably 0.7 m or more, and even more preferably 3 m or more. If it is 0.4 m or more, the work efficiency is greatly improved compared to when the retraction device is inserted from the end.

Each fixing member has a protrusion 8 at the bottom of the portion where the guide hole is formed. The protrusions of each protrusion are in opposite directions, but it is preferable that the shapes are approximately the same. Examples of the cross-sectional shape of the protrusion 8 include a rectangle, a square, a triangle, and a circle. In this embodiment, after the membrane material is placed on one of the first fixing members 1a, the other second fixing member 1b is fitted to the first fixing member 1a so as to cover the edge of the membrane material to which the core material is attached. When the membrane material edge is fixed while applying tension, an external force acts perpendicularly to the membrane material, and the fixing members forming the guide hole 2 are separated from each other. However, since the protrusions prevent the fixing members from moving perpendicularly to the membrane material, it is possible to maintain the shape of the fixing tool and fix the membrane material even though the two fixing members are not physically fixed.

The material of the first and second fixing members is not particularly limited, and examples thereof include metals and plastics. Examples of metals include aluminum and iron. In the case of aluminum, it can be produced as an extruded material.

The material of the core material 6 is not particularly limited, and examples include rope and metal wire. The material of the fixing device is not particularly limited, and examples include aluminum and plastic.

The connecting means 7 is preferably a connecting hole that is open along the length and opens on the back side. The opening is used to insert the retracting tool.

The retraction tool 5 is not particularly limited as long as it can be connected to the connection means and fixed to the base body. Examples include bolts, wires, chains, etc. The head shapes installed on the connection means of these retraction tools include hexagonal, circular, rectangular, elliptical, and diamond shapes. For bolts, bolts with a head size that allows the head of the bolt to be hooked onto the connection means 7 are preferred. Figure 6(a) shows a perspective view of a bolt with a hexagonal head, and Figure 6(b) shows a perspective view of a bolt with a rectangular head. For wires and chains, a jig is provided at the tip of the wire or chain that can be connected to the connection means of the fixing tool. The shape of the jig is, like the head of the bolt, hexagonal, circular, rectangular, elliptical, and diamond shapes. The jig provided on the head of the bolt or the tip of the wire or chain prevents the width of the connection means 7 in the perpendicular direction relative to the membrane material 3 from narrowing, thereby preventing the guide hole 2 from widening and the core material from coming off.

The foundation body 4 refers to the base part of the foundation of a building, and examples of this include pillars, beams, and concrete. The foundation body 4 may be in the form of a plate or a strip. Figure 1 shows a plate-shaped foundation body, but in this embodiment, a hole is provided in the center of the foundation body and it is fixed with a bolt.

Figure 2 shows a method for fixing the edge of a membrane material using a fixing device A in the first embodiment of the present invention. First, as shown in (a), the edge of the membrane material 3 with a core material attached is placed in the portion that will become the guide hole of the first fixing member 1a of the two fixing members that make up the fixing device A of the present invention. Next, the portion including the protrusion of the other second fixing member 1b is inserted between the portion with the protrusion of the first fixing member 1a and the edge of the membrane material in a direction perpendicular to the membrane material. As shown in (b), when tension is applied to the membrane material, the two fixing members engage and become one, and the protrusions act on each other to prevent each fixing member from moving perpendicular to the membrane material. The engaged state is shown in (c).

As shown in (d), the retracting device 5 fixed to the base body 4 for fixing the membrane material is connected to the connecting means 7 formed by fitting, retracted, and fixed. In this embodiment, the retracting device 5 is installed after the connecting means 7 is formed. In this case, if the head of the retracting device 5 installed on the connecting means 7 is circularly symmetrical from the center of the head, it is necessary to insert it into the connecting means 7 from the end, so it is preferable that the head of the retracting device 5 is a retracting device that is not circularly symmetrical, such as a rectangular retracting device. In the case of a retracting device with a rectangular head, the length direction of the head and the length direction of the opening are parallel to each other, and the retracting device is inserted into the connection means, and then rotated 90 degrees to install the retracting device. In this embodiment, there is no gap between the head of the retracting device and the connecting means, and even if there is some variation in tension, the dimensions are correct. On the other hand, a gap can be provided between the head of the retracting device and the connecting means to absorb some variation in tension.

Figure 3 shows the procedure for fixing the edge of the membrane material using the fixing tool B in the first embodiment of the present invention. First, as shown in (a), the edge of the membrane material to which the core material is attached is installed at the portion that becomes the guide hole of the first fixing member 1a of the two fixing members that make up the fixing tool B of the present invention, and the retracting tool 5 is installed at the portion that becomes the connecting means 7. In this embodiment, the shape of the head of the retracting tool is not particularly limited because the retracting tool 5 is installed at the first stage. Next, the portion including the protrusion of the other second fixing member 1b is inserted between the portion having the protrusion of the first fixing member 1a and the edge of the membrane material in a direction perpendicular to the membrane material. As shown in (b), when tension is applied to the membrane material, the two fixing members are fitted together and integrated, and the protrusions 8 act on each other to prevent each fixing member from moving perpendicular to the membrane material. The fitted state is shown in (c). In this embodiment, it is necessary to provide a gap between the head of the retracting tool 5 and the connecting means 7.

In this embodiment, the edge of the membrane material 3 and the retraction tool 5 are attached to the first fixing member, so the shape of the head of the retraction tool is not particularly limited.

Second embodiment Fig. 4 is a perspective view of a fixing device C in a second embodiment of the present invention. The fixing device C is composed of two fixing members 1a, 1b, which are fitted together. When the two fixing members are fitted together, a guide hole 2 is formed on the front side and a connecting means 7 is formed on the back side. In the guide hole 2, an edge of a membrane material 3 to which a core material 6 is attached by sewing or adhesive is placed. A retracting device 5 fixed to a base body 4 is placed in the connecting means 7.

Each fixing member has a protrusion 8 at the bottom of the portion forming the guide hole 2. In this embodiment, the protrusions 8 protrude in opposite directions, but the shapes are preferably substantially the same. On the other hand, the portion holding the protrusion 8 is preferably parallel to the membrane material in the first fixing member, with an acute angle at the tip, and extends downward at an acute angle relative to the membrane material 3 in the other second fixing member. By making it in such a shape, the guide hole 2 can be widened by fitting both fixing members together, and after the membrane material edge is installed, the guide hole 2 can be closed to form the guide hole 2 and the connecting means 7. When the membrane material edge is fixed while applying tension, an external force acts perpendicularly to the membrane material 3, and the fixing members forming the guide hole 2 are separated from each other, but the protrusions 8 inhibit the movement of the fixing members from each other, so that the shape of the fixing tool can be maintained and the membrane material 3 can be fixed, even though the two fixing members are not physically fixed.

The first and second fixing members, the membrane material, the core material, the connecting means, and the retracting device are as described for fixing device A in the first embodiment of the present invention.

Figure 5 shows a method for fixing the edge of a membrane material using a fixing device C in a second embodiment of the present invention. First, as shown in (a), two fixing members constituting the fixing device C of the present invention are fitted together, and an external force is applied to both outsides of the connecting means 7 to widen the guide hole 2 with the protrusion 8 as a fulcrum. The edge of the membrane material 3 with the core material 6 attached is inserted into the widened guide hole 2. Next, as shown in (b), an external force is applied to both outsides of the widened guide hole 2 to narrow the guide hole 2 with the protrusion 8 as a fulcrum.

As shown in (c), the retraction device 5 fixed to the base body 4 for fixing the membrane material is connected to the connecting means 7 formed by fitting, retracted, and fixed. In this embodiment, the retraction device 5 is installed after the connecting means 7 is formed. In this case, if the head of the retraction device 5 installed on the connecting means 7 is circularly symmetrical from the center of the head, the retraction device is inserted from the end and the edge of the membrane material is fixed to the base body. If the head of the retraction device is a rectangle or the like that is not circularly symmetrical, the retraction device is installed on the connecting means from the middle, and the edge of the membrane material is fixed to the base body.

The fixing device of the present invention can be used for a variety of purposes, such as tent warehouses, ceiling membranes, interior membranes, cold and heat-retaining warehouses, membrane-structure buildings, and civil engineering waterproof sheet structures.

The fixing device for the edges of membrane materials of the present invention ensures sufficient fixing strength for use as a building material, is easy to install, and has excellent aesthetics when fixed after completion, making it widely applicable to a variety of membrane materials.

A, B, C Fixing tool 1a First fixing member 1b Second fixing member 2 Guide hole 3 Membrane material 4 Base body 5 Pull-in tool 6 Core material 7 Connecting means 8 Projection part

Claims (7)

A fixing device for a membrane edge includes a guide hole for the membrane edge having a core material attached thereto, the guide hole being opened in the length direction of the edge of the membrane to which the core material is attached, and a connecting means connected to a pulling device fixed to a base for fixing the membrane, and pulling the membrane with the edge of the membrane hooked to the guide hole, thereby fixing the edge of the membrane to the base while applying tension to the membrane,
the two engaging fixing members are provided with a guide hole and a connecting means having a length capable of accommodating the entire edge of the membrane material to which the core material is attached ,
Each fixing member is provided with a protrusion having a hook portion that fits with each other on the base body side of a portion where a guide hole is formed,
the protrusions of the two fixing members are provided so that, with the entire edge of the membrane material to which the core material is attached being placed in a portion that will become a guide hole of one of the first fixing members , an opening of a size that allows the protrusion of the other second fixing member to be inserted in a direction perpendicular to the membrane material can be formed between the protrusion of the one fixing member and the edge of the membrane material to which the core material is attached;
When tension is applied to the membrane material, the two fixing members with their protrusions inserted into their openings move relative to one another along the in-plane direction of the membrane material, and the hook portions of the protrusions interlock with each other, thereby uniting the two fixing members and causing the interlocking hook portions to inhibit movement of each fixing member in a direction perpendicular to the membrane material. 2. The fastener of claim 1 , wherein the connecting means is an open connecting hole extending along the length of the edge of the membrane. 3. The fixing device according to claim 1 or 2 , wherein the pulling device is a bolt, and the head of the bolt and the connecting means are engaged with each other. The fixing device according to any one of claims 1 to 3 , wherein the length of the edge of the membrane material is 0.4 m or more , and the guide hole has a length that allows the entire edge of the membrane material to be installed . A method for fixing an edge portion of a membrane material using the fixing device according to any one of claims 1 to 4 , comprising the steps of:
a step of placing an edge portion of a membrane material having a core material attached thereto at a portion that will become a guide hole of the first fixing member of the two fixing members constituting the fixing tool;
a step of fitting the other second fixing member to the first fixing member so as to cover the edge of the membrane material to which the core material is attached; and
A method for fixing an edge of a membrane material, comprising the steps of installing a pull-in device on a connecting means and fixing the edge of the membrane material to a base body. A method for fixing an edge portion of a membrane material using the fixing device according to any one of claims 1 to 4 , comprising the steps of:
a step of inserting an edge portion of a membrane material having a core material attached thereto into a portion of the first fixing member of the two fixing members constituting the fixture that will become a guide hole;
A step of installing a retracting tool at a portion of the first fixing member that will become a connecting means; and
A method for fixing the edge of a membrane material, comprising the step of fitting the other second fixing member with the first fixing member so as to cover the edge of the membrane material to which the core material is attached and the pull-in device, thereby fixing the edge of the membrane material to the base body. A membrane material fixing system comprising the fixing device according to any one of claims 1 to 4 , a membrane material having a core material attached thereto, a pull-in device, and a base body.

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