JP4914646B2 - Sheet fixing structure - Google Patents

Description

  In the present invention, when an assembly such as an air dome or a tent is assembled using a sheet, the end of the sheet is fixed to a fixing member previously arranged at a predetermined position with respect to the assembly. It relates to the fixing structure.

As the above-described sheet fixing structure, one shown in FIG. 7 is known (for example, see Patent Document 1). In this structure, the end portion 100a of the sheet 100 is folded back, and a locking member 101 made of, for example, a string or a rod is attached inside the folded portion, and the locking member 101 is recessed along the longitudinal direction 103. Is inserted into the concave groove 103 of the fixing member 102 provided with a stopper member 104 disposed outside the opening 103a of the concave groove 103 to block the opening 103a and prevent the locking member 101 from coming out. It is the composition to do.
JP-A-6-313381

  However, in the case of the above-described sheet fixing structure, not only the locking member 101 but also the slip-off preventing member 104 needs to be attached, so that there is a problem that the sheet fixing operation is troublesome. In view of this, it is conceivable that the opening 103a of the concave groove 103 is set to a size narrower than that of the locking member 101 so that the removal preventing member 104 is omitted, thereby facilitating the sheet fixing work. However, there is a need to insert the locking member 101 from the longitudinal direction of the concave groove 103, leaving room for improvement in the sheet fixing operation.

  SUMMARY An advantage of some aspects of the invention is that it provides a sheet fixing structure capable of easily performing a sheet fixing operation.

The sheet fixing structure according to the present invention includes a sheet having a folded portion closer to the end portion, a locking member attached to the inside of the folded portion of the sheet, and the locking member and the folded portion being prevented from coming off. The engaging portion for engaging the fixing member is integrally provided on the outer side of the concave groove and on the opposite side to the opening of the concave groove, with the concave groove to be attached in the longitudinal direction. and the fastener member has a mounting recess in which the fastener member enters the longitudinal direction, comprising a fixing member engaged portion to be engaged with the engaging portion is provided integrally with the mounting recess, the The engaged portion is formed on a protrusion protruding from the side surface on the side where the opening of the concave groove is disposed to the opposite side of the opening into the mounting recess from the side surface of the mounting recess, The cross section is formed into a bowl shape that engages by hooking on the above protrusion. Are, inserted from a direction perpendicular to the longitudinal direction of the fixing member the fastener member to said mounting recess, the distal end portion of the engaging portion of the cross section hooked, the attachment to the engaged portion of the ridge By engaging the inner side of the recess, the fastener member is attached to the mounting recess in a state of preventing the fastener from coming off .

The sheet fixing structure according to claim 2 is the sheet fixing structure according to claim 1 , wherein the concave groove includes a wide width portion to which the locking member is attached, and a narrow width portion that is connected to the groove portion and through which the sheet portion passes. The narrow portion is formed with a width dimension that prevents the locking member from coming off.

The sheet fixing structure according to claim 3 is the sheet fixing structure according to claim 1 or 2 , wherein an inner collar having a flange projecting in a width direction of the fixing member below the fixing member. The above-mentioned collar portion is provided with a protruding portion protruding upward.

The sheet fixing structure according to claim 4 is the sheet fixing structure according to any one of claims 1 to 3 , wherein the fixing member covers the fixing member and is attached so as to press the sheet against the fixing member; And a waterproof cover disposed on the seat side of the cover member.

The sheet fixing structure according to claim 5 is the sheet fixing structure according to claim 4 , wherein the sheet is sandwiched between the width direction end portions of the fixing member facing the width direction end portions of the waterproof cover. A waterproof cover is provided.

The sheet fixing structure according to claim 6 is the sheet fixing structure according to any one of claims 1 to 5 , wherein the fixing member is provided on the both sides in the width direction perpendicular to the longitudinal direction of the fixing member. The two sheets in which the folded portions are prevented from coming off in the recessed grooves of both fastener members respectively attached to the respective mounting recesses have sheet edge portions outside the folded portions, and each sheet edge The sheet is positioned on the upper side of the fixing member so that these sheet edge portions overlap each other, and the overlapping portion of both sheet edge portions is bonded, welded or adhered.

The sheet fixing structure according to claim 7 is the sheet fixing structure according to any one of claims 1 to 6 , wherein the fixing member is disposed on a lower side of the supporting member. A plurality of waterproof strips are provided along the longitudinal direction, and a waterproof eaves having substantially the same length as the support member is provided in a gap provided between the support member and the fixed member. To do.

In the present invention, the fastener member is inserted into the mounting recess from a direction orthogonal to the longitudinal direction thereof, and the engaging portion of the fastener member is engaged with the engaged portion of the fixing member, so that the fixing recess of the fixing member is engaged. A fastener member can be attached to. Therefore, it is not necessary to insert the fastener member and the removal prevention member into the mounting recess from the longitudinal direction, and it is not necessary to close the opening of the groove with another member such as a removal prevention member, and the fastener member is fixed with good workability. It becomes possible to attach to the attachment recessed part of a member. As a result, the sheet fixing operation can be easily performed. In addition, the engagement between the two can be performed by hooking the engaging portion having the hook-shaped section on the engaged portion of the protrusion, and the engaging operation is easy.

According to the second aspect , when the locking member is aligned with the wide portion of the concave groove and the sheet portion is aligned with the narrow width portion and inserted, the narrow member prevents the locking member from coming out of the concave groove. Can be achieved.

In the case of claim 3 , even if rainwater enters the lower side of the sheet, or water droplets due to condensation are formed on the lower side of the sheet based on the temperature difference between the inside and outside of the sheet, such moisture is The insider will receive. Then, for example, by providing a water guide pipe that guides moisture to the outside of the sheet at an appropriate position of the inner casing, it is possible to drain water to the outside of the space covered with the sheet.

In the case of claim 4, the waterproof cover provided between the fixing member and the cover member causes the sheet to adhere to the fixing member and also covers the concave groove, so that rainwater can leak more reliably to the lower side of the sheet. It becomes possible to prevent.

According to the fifth aspect , since the seat is sandwiched between the waterproof covers provided on both the front and back sides, it is possible to more reliably prevent rainwater from leaking to the lower side of the seat.

According to the sixth aspect of the present invention, the locking member provided at the folded portion is attached to the concave groove of the fixing member, the sheet edge portions of the sheets on both sides of the fixing member are overlapped with each other, and the overlapping portion is bonded or the like As a result, the sheets on both sides are integrated. In addition, since the locking member is prevented from coming out of the concave groove, the sheet is connected to both sides of the fixing member. Thus, when the sheets on both sides connected to the fixing member are used, for example, when air is blown inward and the central portion of the sheet is swollen upward, the fixing member side, that is, the sheet end Even if rainwater collects on the edge side, since the sheets on both sides are integrated as described above, the rainwater can be prevented from leaking to the lower side of the sheet. Therefore, a reliable waterproof function can be exhibited.

In the case of claim 7 , even if a plurality of shorter fixing members are arranged side by side in the longitudinal direction on the support member, intrusion of rainwater or the like occurs from the abutting portion of the fixing members adjacent in the longitudinal direction. However, the waterproof long bag will receive the rainwater that has entered. For example, by providing a water guide pipe that guides moisture to the outside of the sheet at an appropriate location of the long wall, it is possible to drain the water to the outside of the space covered with the sheet.

  The present invention will be specifically described below.

  FIG. 1 is a front view schematically showing a structure to which a sheet fixing structure of the present invention is applied.

  The structure includes a plurality of rows of support members 1 arranged in the left-right direction, in the illustrated example, three rows of support members 1, a front support piece (not shown) in which the front ends of the three rows of support members 1 are connected, and three rows of support members. 1 and a rear support piece (not shown) connected to the rear end. Each support member 1 arranged in the left-right direction includes a horizontal plate 1a that is long in the front-rear direction and support columns 1b that are provided at predetermined intervals below the horizontal plate 1a. The sheet connecting means 2 is provided on each horizontal plate 1a, and the sheet 3 is connected between the adjacent sheet connecting means 2. In this embodiment, the sheet 3 includes four layers of film bodies 4a, 4b, 4c, and 4d, and three of the film bodies 4a to 4c are mainly present outside the sheet connecting means 2, and the film body 4d. (Refer to FIG. 4) is present inside the sheet connecting means 2. And by filling with air between the film bodies 4a-4c, the roof of the shape which arranged two rows of fences as an external appearance is formed. The film bodies 4a to 4d will be described later in detail.

  In this structure, of the three sheet connecting means 2, the sheet 3 is connected to one side of the sheet connecting means 2 at both ends, and the sheet 3 is connected to both sides of the central sheet connecting means 2.

  FIG. 2 is an exploded view (front view) showing the sheet connecting means, and FIG. 3 is a cross-sectional view (front view) showing the main part thereof.

  The sheet connecting means 2 includes a fixing member 10 attached to the upper side of the horizontal plate 1a, a waterproof cover 11 provided on the fixing member 10, and a cover member 12 provided thereon. The fixing member 10 is fixed to the horizontal plate 1a by bolts 13a and nuts 13b, and the waterproof cover 11 and the cover member 12 are fixed to the fixing members 10 by bolts 14a and nuts 14b. A waterproof washer 14c is disposed between the waterproof cover 11 and the cover member 12 so as to be inserted into the bolt 14a. In addition, 13c and 14d in FIG. 2 are washers.

  The fixing member 10 is disposed between adjacent sheets 3 and 3 so that the longitudinal direction coincides with the direction along the end 3a of the sheet 3, and as shown in FIG. A fixing member main body 21 having a recess 20 and a pair of fastener members 22 detachably attached to the mounting recess 20 are provided.

  The mounting recess 20 is formed along the longitudinal direction on both sides in the width direction orthogonal to the longitudinal direction, and an engaged portion 20a is provided in the inner back thereof, and the engaged portion 20a is the mounting recess 20. It is formed in a protrusion protruding from the side surface of the mounting recess 20 to the inside. The fastener member 22 is provided with an engaging portion 22a on the outside, and the engaging portion 22a is formed in a cross-sectional shape. Then, the engagement portion 22 a can be hooked on the engaged portion 20 a to engage with each other, and the fastener member 22 is attached to the attachment recess 20 of the fixing member 10. In this attached state, the heights of both fastener members 22 and the central portion 21c of the fixing member main body 21 between them are substantially constant, the outside of each attachment recess 20 is slightly lower, and an inclined surface 21a is formed. Has been. A waterproof member 21b is attached on the inclined surface 21a, and the upper surface of the waterproof member 21b is high on the outside and low on the inside.

  The lower surface of the cover member 12 and the waterproof cover 11 provided on the fixing member 10 having such an upper surface are formed in a concavo-convex state corresponding to the upper surface of the fixing member 10, and the cover member 12 with respect to the fixing member 10. Is attached by bolts 14a and nuts 14b, almost the entire area of the waterproof cover 11 made of an elastic member such as rubber is pressed against the fixing member 10.

  Each fastener member 22 has a recessed groove 22b. The concave groove 22b of the fastener member 22 on the left side of the figure is formed with an opening 22c facing left, and the concave groove 22b of the fastener member 22 on the right side of the figure is formed with an opening 22c facing right.

  As shown in FIG. 4, the end portions 3a on both sides of each sheet 3 have a sheet edge portion 3b, a folded portion 3c, and a joint portion 3d. In the joint portion 3d, four film bodies 4a to 4d are joined. For the joining, adhesion, heat welding, sticking or the like is used. The folded portion 3c is located outside the joining portion 3d and below the sheet edge portion 3b. In the present embodiment, the folded portion 3c is formed by folding the end portion of the film body 4a, and the inside of the folded portion 3c. The locking member 23 is disposed at the end. The sheet edge portion 3b is located outside the joint portion 3d and is disposed on the upper side of the central portion 21c.

  The locking member 23 is, for example, in a string shape, and the concave groove 22b to which the locking member 23 is attached is an opening in a direction orthogonal to the groove length direction (the same direction as the longitudinal direction of the fixing member 10). The width of the opening 22c is made sufficiently smaller than the diameter of the string-like locking member 23 to prevent the locking member 23 from falling out of the opening 22c. I am doing so. That is, the meat part 22d inside the opening 22c functions as a drop prevention means.

  The locking member 23 is attached to the concave groove 22b of the fastener member 22 by inserting it in the longitudinal direction from one of the openings at both ends of the concave groove 22b, whereby the sheet 3 is attached to the fastener member 22. . The tip 50a of the mounting jig 50 indicated by a two-dot chain line in FIG. 3 is inserted into the mounting hole 22e provided in the upper portion of the fastener member 22, and the sheet 3 is pulled to engage the engaging portion 22a with the engaged portion 20a. The fastener member 22 is attached to the attachment concave portion 20 of the fixing member main body 21 by hooking. Thereafter, as shown in FIG. 4, the sheet edge 3b is positioned above the central portion 21c, and the sheet edge 3b of one of the left and right sheets 3 (for example, the right side in the illustrated example) is lowered. The other side (for example, the left side in the illustrated example) of the other sheet 3 is stacked on the side with the sheet edge portion 3b facing upward. And the tape 24 which has an adhesive layer on both surfaces is stuck on the mutually overlapping part. As a result, the sheets 3 and 3 on both sides are attached to the fixing member 10 in a state in which the sheet edge portions 3 b are integrally connected via the tape 24.

  The cover member 12 and the waterproof cover 11 below the cover member 12 have substantially the same width as that of the fixing member 10, and when the cover member 12 is attached to the fixing member 10 with the bolts 14a and nuts 14b as described above. The cover member 12 and the waterproof cover 11 cover the mounting recess 20 and the recess groove 22b on both sides in the width direction. Further, since the waterproof cover 11 made of an elastic member is pressed against the fixing member 10, the portion where the sheet 3 is connected through the tape 24 is in close contact, and leakage of rainwater or the like to the lower side of the sheet 3 is more reliably prevented. . Furthermore, a portion slightly inward of the sheet edge 3b, in the illustrated example, the joint 3d is sandwiched between the waterproof cover 11 and the waterproof member 21b. The waterproof member 21 b is provided at the width direction end of the fixing member that faces the width direction end of the waterproof cover 11. Here, the waterproof cover 11 and the waterproof member 21b are both made of, for example, an elastic member, so that the portion where the sheet 3 is connected via the tape 24 is more reliably waterproofed. Furthermore, since the portion where the sheet 3 is connected via the tape 24 is at a position higher than the height position between the waterproof cover 11 and the waterproof member 21b, the waterproof performance is improved.

  Therefore, according to the present embodiment, the fastener member 22 is inserted into the mounting recess 20 from the direction orthogonal to the longitudinal direction, and the engaging portion 22a of the fastener member 22 is engaged with the engaged portion 20a of the fixing member main body 21. By combining, the fastener member 22 can be attached to the attachment recess 20. Therefore, it is not necessary to insert the fastener member and the removal preventing member into the mounting recess 20 from the longitudinal direction as in the prior art, and it is not necessary to close the opening of the recessed groove with another member such as the removal preventing member. The fastener member 22 can be attached to the attachment recess 20 of the fixing member main body 21 with good performance. As a result, the sheet fixing operation can be easily performed.

  Further, according to the present embodiment, the sheets 3 and 3 on both sides connected to the fixing member 10 are filled with air between the film bodies 4 so that the central portion of the sheet 3 is swollen upward. When used, even if rainwater collects on the fixing member 10 side, that is, the sheet edge 3b side due to rain or the like, it is connected to the state where the sheets 3 and 3 on both sides are integrated as described above ( 4), rainwater can be prevented from leaking to the lower side of the seat 3. Therefore, a reliable waterproof function can be exhibited.

  FIG. 5 is a sectional view showing a sheet fixing structure according to another embodiment of the present invention. In addition, the same number is attached | subjected to the same part as FIGS.

  In this sheet fixing structure, an inner collar 30 is provided below the fixing member 10 so as to protrude from the fixing member 10 on both sides in the width direction of the fixing member 10. The inner flange 30 has a flange 30a protruding in the width direction from the fixing member 10, and a protrusion protruding upward is formed on the flange 30a. In the illustrated example, the protruding portion has a configuration in which the entirety of the flange portion 30a is bent obliquely upward. However, as shown by a two-dot chain line, the end portion 30b of the flange portion 30a is bent upward. It is good.

  In the case of this embodiment, even if rainwater enters the lower side of the sheet 3 or water droplets due to condensation are formed on the lower side of the sheet 3 based on the temperature difference between the inside and outside of the sheet 3, The inner shell 30 will receive a certain amount of moisture. For example, by providing a water guide pipe (not shown) for guiding moisture to the outside of the sheet 3 at an appropriate location of the inner rod 30, the water is drained outside the space covered with the sheet 3, that is, outside the structure. It becomes possible to do.

  FIG. 6 is a cross-sectional view showing a sheet fixing structure according to still another embodiment of the present invention. In addition, the same number is attached | subjected to the same part as FIGS.

  In this sheet fixing structure, a waterproof long gutter 31 is provided in a gap provided between the supporting member 1 and the fixing member 10 above the horizontal plate 1a. The long rod 31 is made of, for example, rubber, and both end portions 31a in the width direction are formed in an upward U-shaped cross section, and have substantially the same length as the support member 1. However, when a part shorter than the support member 1 is used in part, the joints of the plurality of support members 1 are connected so that water leakage does not occur.

  In the case of this embodiment, even if the shorter fixing members 10 are arranged in the longitudinal direction on the horizontal plate 1a of the support member 1, intrusion of rainwater or the like from the abutting portion of the adjacent fixing members 10 Even if this happens, the Nagatoro 31 will receive the rainwater that has entered. Then, for example, by providing a water guide pipe (not shown) for guiding moisture to the outside of the sheet 3 at an appropriate location on the eaves 31, the water is drained to the outside of the space covered with the sheet 3 (outside of the structure). It becomes possible to do. In the example of FIG. 6, the bolt 13 a and the nut 13 b are arranged on both outer sides of the long rod 31. Further, 33 in FIG. 6 is a screw for fixing the cover member 12 to the fixing member 10, and 11A is a central portion to enable positioning of the convex portion 10a of the fixing member and the concave portion 12a of the cover member 12. The waterproof cover is arranged on both sides in the width direction.

  In the above-described embodiment, the sheet edge portion 3b is overlapped and the overlapped portion is adhered with the tape 24. However, the present invention is not limited to this, and the overlapped portion is adhered by adhesion, heat welding, or the like. You may let them.

  In the above-described embodiment, the material of the film body used as the sheet is not particularly limited and is not clarified. Examples of the material of the film body include films, fiber woven fabrics, and fiber woven fabrics coated with resin or rubber. Is available.

  Furthermore, in the above-described embodiment, a sheet having a structure in which the film body 4d is joined to one film body 4c of the three layers of film bodies 4a to 4c is used, but the present invention is not limited to this. For example, the structure in which the film body 4b or the film body 4c among the three-layer film bodies 4a to 4c is omitted, or the structure in which the film body 4b and the film body 4c are omitted and only the film body 4a is formed, or three layers The film body 4d may be joined to a film body of four or more layers in which another film body overlaps the film bodies 4a to 4c. In addition, the present invention is not configured to join the film body 4d to the film body 4c, but by setting one of the film body 4d and the film body 4c to be longer, the other film body is omitted. Is also possible.

  Furthermore, in the above-described embodiment, the film bodies 4b and 4c are provided so as to overlap the folded portion of the film body 4a, but the present invention is not limited to this. For example, the film bodies 4b and 4c may be sandwiched between the film body 4a and the folded portion.

FIG. 2 is a front view schematically showing a structure to which the sheet fixing structure of the present invention is applied. It is an exploded view (front view) which shows the sheet | seat connection means of FIG. It is sectional drawing (front view) which shows the principal part of the sheet | seat connection means of FIG. It is a schematic diagram which shows the connection state of a sheet | seat. It is sectional drawing which shows the fixing structure of the sheet | seat which concerns on other embodiment of this invention. FIG. 6 is a cross-sectional view illustrating a sheet fixing structure according to still another embodiment of the present invention. 6 is a cross-sectional view showing a sheet fixing structure of Patent Document 1. FIG.

DESCRIPTION OF SYMBOLS 1 Support member 2 Sheet | seat connection means 3 Sheet | seat 3a End part 3b Sheet | seat edge part 3c Folding part 10 Fixed member 11 Waterproof cover 12 Cover member 20 Mounting recessed part 20a Engagement part 21 Fixed member main body 22 Fastener member 22a Engaging part 22b Recessed part Groove 22c Opening 23 Locking member 24 Tape having adhesive layers on both sides 30 Inner flange 31 Waterproof long wall

Claims (7)

A sheet having a folded portion near the end, and
A locking member attached to the inside of the folded portion of the sheet;
The engaging member and the folded portion are attached in a longitudinal direction with the recessed portion attached in a state in which the folded portion is prevented from being removed, and on the outer side, opposite to the opening of the recessed groove with the inner back portion of the recessed groove interposed therebetween A fastener member integrally provided with an engaging portion for engaging the fixing member;
A fixing member that has an attachment recess into which the fastener member is inserted in the longitudinal direction, and an engaged portion that is engaged with the engagement portion is provided integrally with the attachment recess;
The engaged portion is formed on a ridge that protrudes toward the side opposite to the opening in the mounting recess from the side surface on the side where the opening of the recessed groove is disposed on the side surface of the mounting recess.
The engaging portion is formed in a cross-sectional saddle shape that engages by being hooked on the protrusion,
The fastener member is inserted into the mounting recess from a direction perpendicular to the longitudinal direction of the fixing member, and the distal end of the hook-shaped engaging portion is inserted into the inner portion of the mounting recess with respect to the engaged portion of the protrusion. A fixing structure for a sheet, wherein the fastener member is attached to the attachment recess in a state of being prevented from coming off by being engaged on the side . In the fixing structure of the sheet according to claim 1 ,
The concave groove has a wide width portion to which the locking member is attached and a narrow width portion that is connected to the groove and through which the seat portion passes, and is formed with a width dimension that prevents the locking member from coming off the locking member. A fixing structure for a sheet, wherein In the fixing structure of the sheet according to claim 1 or 2 ,
An inner flange having a flange protruding in the width direction of the fixing member from the fixing member is provided below the fixing member, and a protruding portion protruding upward is provided in the flange. Sheet fixing structure. In the fixing structure of the sheet according to any one of claims 1 to 3 ,
A sheet fixing structure, further comprising: a cover member that covers the fixing member and is attached so as to press the sheet against the fixing member; and a waterproof cover disposed on a sheet side of the cover member. In the fixing structure of the sheet according to claim 4 ,
A fixing structure for a sheet, wherein another waterproof cover is provided at a width direction end portion of the fixing member facing the width direction end portion of the waterproof cover so as to sandwich the sheet. The sheet fixing structure according to any one of claims 1 to 5 ,
The fixing member has the mounting recesses on both sides in the width direction perpendicular to the longitudinal direction of the fixing member, and both sheets in which the folded portions are prevented from coming off in the concave grooves of both fastener members respectively attached to the mounting recesses. Has a sheet edge on the outside of the folded portion, and each sheet edge is positioned on the upper side of the fixing member so that both the sheet edges overlap each other. A fixing structure for a sheet, characterized in that overlapping portions of the portions are bonded, welded, or adhered. The sheet fixing structure according to any one of claims 1 to 6 ,
A plurality of the fixing members are provided along the longitudinal direction of the supporting member with respect to the supporting member arranged on the lower side, and in the gap provided between the fixing member and the upper side of the supporting member, A fixing structure for a sheet, characterized in that a waterproof gutter having substantially the same length as the support member is provided.

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