JP2020051224A - Fixing structure and fixing method of metal rail - Google Patents

Abstract

To prevent a metal rail or its fastened article from deflecting and slipping at a fixing position.SOLUTION: Provided is a fixing structure of an aluminum rail 10 to be used for fixedly supporting an article, wherein a long hole part (slot) 11 is formed in the longitudinal direction on one side surface of the aluminum rail 10, and another article can be fastened and fixed to the aluminum rail or the aluminum rail can be fastened and fixed to the other article by a bolt 61 and a nut 62 by using the slot 11. Inside the slot 11, both wall surface parts 12 having a substantially same interval with a transverse width of a bolt head part or the nut on both sides of the slot 11 are provided in the longitudinal direction, and projected strip parts 14 are respectively provided in the longitudinal direction of the wall surface parts 12. By arranging the nuts on a depth side of the projected strip parts 14 and threadedly fastening a bolt shaft 61j from outside the slot 11, the nut 62 arranged inside the slot 11 is fastened and the projected strip parts 14 are deflected or fractured and fastened.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a fixing structure and a fixing method of a metal rail used for a mount, a fixing bracket, and the like for installing a solar cell module (a solar cell panel or a solar panel) and the like. The present invention can support and fix not only the solar cell module but also various other articles.

FIG. 6 shows an aluminum rail (aluminum rail) as an example of a conventional metal rail.
FIG. 6 shows a state in which a conventional aluminum rail is fixed to an L-shaped frame body, which is another article, in which (A) is a front view, (B) is a bottom view, and (C) is a right side view. FIG.

In this figure, the aluminum rail 50 and the metal frame body 60 having an L-shaped cross section fastened to the aluminum rail 50 are long and long in the longitudinal direction. Is illustrated in FIG.
The aluminum rail 50 according to this conventional example is made of a rectangular tube manufactured by extruding aluminum having a rectangular cross section, and has an elongated hole (hereinafter, referred to as a "slot") in the longitudinal direction of the bottom center which is one side thereof. ) 51 are provided.

On both sides inside the slot 51, wall portions 52 are provided in the longitudinal direction of the aluminum rail 50, and bottom portions 53 are provided so as to connect the edge portions of the both wall portions 52, 52. One space 55 is formed by the both wall portions 52, 52 and the bottom portion 53.
Therefore, the cross-sectional shape of the slot 51 and the space 55 is substantially T-shaped, and based on this cross-sectional shape, this slot is generally called a "T-slot" or a "T-slot". Is what is being done.

A nut in a plan view angle or a T-shaped nut 62 is inserted from the end surface of the aluminum rail 50 into the T-shaped slot, and the shaft of the bolt 61 is inserted through the screw insertion hole of the frame 60 as another article. Then, it is screwed with the T-shaped nut 62.
As a result, the frame 60 is fixed at an appropriate position on the aluminum rail 50, or the aluminum rail 50 is fixed to the frame 60.
In the front view of FIG. 6, it may be determined that the aluminum rail 50 is disposed below with the upside down and the L-shaped frame body 60 is fixed on the aluminum rail 50.

  As described above, in the conventional structure for fixing the aluminum rail 50, the aluminum rail 50 and the frame 60, which is another article, are fastened at the T-shaped slot by the bolts 61 and the nuts 62. However, since the T-shaped slot is continuous in the substantially central longitudinal direction of one side of the aluminum rail 50, the aluminum rail 50 is displaced or slipped in the longitudinal direction at the portion fixed by the bolt and nut, or However, there has been a problem that the side of the frame body 60 shifts or slips in the longitudinal direction of the aluminum rail 50.

  Accordingly, an object of the present invention is to propose a fixing structure and a fixing method in which a metal rail or an article to be fastened does not slip or slip at a fixing position of the bolt and nut.

  In order to solve the above-mentioned problem, a first aspect of the present invention is a metal rail used for supporting and fixing an article, and one side surface of the metal rail has an elongated hole portion in a longitudinal direction thereof. (Slot) is formed, and a metal rail fixing structure capable of fastening and fixing another article or another article to the other article by using a bolt and nut as a fixing means using the slot. On both sides of this slot, both wall portions having substantially the same interval as the lateral width of the bolt head or nut are provided in the longitudinal direction, and ridges are provided in the longitudinal direction of both wall portions inside the slot. By arranging nuts on the inner side of these ridges and screwing a bolt shaft from the outside of the slots and tightening, the nuts arranged inside the slots are tightened and the ridges are Metal that is bent or broken and fastened to prevent displacement or slippage in the longitudinal direction of another article to be fastened or the metal rail and to prevent loosening of the nut. It is a fixed structure of a rail made of steel.

  According to a second aspect of the present invention, in the first aspect, a bolt head is disposed inside the slot by reversing an arrangement of a bolt and nut as the fixing means. Structure.

  A third aspect of the present invention is the metal rail fixing structure according to the first or second aspect, wherein an aluminum aluminum rail is used as the metal rail.

  According to a fourth aspect of the present invention, there is provided a metal rail fixing structure, wherein a notch is formed in a longitudinal direction of a root portion on a back side of the ridge in the ridge provided inside the slot. is there.

  The fifth aspect of the present invention is a metal rail used for supporting and fixing an article. An elongated hole (slot) is formed in one side surface of the metal rail in the longitudinal direction. In a method of fixing a metal rail to fasten and fix another article or another article with a bolt and nut as a fixing means using a slot, the bolt head is provided inside the slot on both sides of the slot. Or, both wall portions having substantially the same width as the lateral width of the nut are provided in the longitudinal direction, ridges are provided in the longitudinal direction of both wall portions inside the slot, and a nut is provided on the back side of these ridges. By arranging and screwing a bolt shaft from the outside of the slot and tightening, the nut arranged inside the slot is tightened up, and the ridge is bent or broken and tightened. Te is a method of fixing the metal rails, characterized in that can prevent loosening of positional deviation or slipping can be prevented and the nut in the longitudinal direction of the other articles or the metal rails is Hishimegi member.

  According to a sixth aspect of the present invention, in the fifth aspect, the arrangement of the bolt and nut as the fixing means is reversed, a bolt head is disposed in the slot, and a bolt shaft extending to the outside from the slot is provided. This is a method for fixing a metal rail, wherein a nut is screwed and tightened.

  A seventh aspect of the present invention is the metal rail fixing method according to the fifth or sixth aspect, wherein an aluminum aluminum rail is used as the metal rail.

  According to an eighth aspect of the present invention, in the fifth to seventh aspects of the present invention, a notch is formed in a longitudinal direction of a root portion on a back side of the ridge in the ridge provided inside the slot. This is a method for fixing a metal rail as a feature.

  In the first aspect of the present invention, since the ridges are provided along the longitudinal direction on the wall portions on both sides inside the slot, nuts are arranged on the inner side of these ridges. By inserting and tightening the shaft of the bolt from the outside of the slot, the nut arranged inside the slot is tightened up, and the ridge is bent or broken and tightened, thereby tightening the bolt. It is possible to prevent other articles as the wearing member or the metal rail from being displaced or slipping in the longitudinal direction.

  In the present invention, the present invention can be applied to a case where the above-mentioned slot is a so-called T-shaped slot. The T-shaped slot is provided with a bottom surface, but is a slot without this bottom surface. Can also be applied.

  According to the second aspect of the present invention, a bolt head is disposed in place of the nut disposed inside the slot, and the shaft of the bolt projects outside the slot. The nut can be screwed and tightened. The effect is the same as that of the first invention.

  In the third aspect of the present invention, the material of the metal rail is specified, that is, the metal rail is specified to be made of aluminum.

  In the fourth aspect of the present invention, a notch is further formed in a longitudinal direction of a root portion on a deep side of the ridge provided in the slot, so that the ridge is tightened by a bolt nut. This has the effect of being easily bent.

  In a fifth aspect of the present invention, the first aspect is specified as a fixing method, and the effect is the same as that of the first aspect.

  According to a sixth aspect of the present invention, the arrangement of the bolts and nuts in the fifth aspect of the invention is reversed, and the effect is the same as that of the fourth aspect of the invention.

  In the seventh aspect of the present invention, the material of the metal rail is specified, and the effect is the same as that of the fifth and sixth aspects. It is.

  According to an eighth aspect of the present invention, in the protruding portion provided inside the slot, a notch is further formed in a longitudinal direction of a root portion on a deep side of the protruding portion. It has the same effect as.

1A and 1B show a first embodiment of a metal rail fixing structure of the present invention, wherein FIG. 1A is a front view, FIG. 1B is a bottom view, and FIG. 1C is a right side view. 1 (A) is an enlarged view of a portion S in FIG. 1 (A), FIG. 1 (B) is a cross-sectional view taken along the line BB of FIG. 2 (A), and FIG. FIG. 3 is an enlarged view of a portion C in FIG. The metal rail which concerns on 2nd Embodiment of this invention is shown, (A) is a perspective view and (B) is a front view. The metal rail which concerns on 3rd Embodiment of this invention is shown, (A) is a partially notched perspective view, and (B) is a front view. The metal rail which concerns on 4th Embodiment of this invention is shown, (A) is a partially notched perspective view, and (B) is the front view. The state which fixed the conventional aluminum rail to the L-shaped frame which is another article is shown, (A) is the front view, (B) is the bottom view, and (C) is the right side view.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 shows a first embodiment of a metal rail fixing structure of the present invention, in which (A) is a front view, (B) is a bottom view, and (C) is a right side view.
2A and 2B show a main part of FIG. 1, wherein FIG. 2A is an enlarged view of an S part of FIG. 1A, FIG. 2B is a BB cross-sectional view of FIG. FIG. 2C is an enlarged view of a portion C in FIG.

The metal rail according to the first embodiment is an aluminum rail 10 made of aluminum.
The aluminum rail 10 is formed of an elongated rectangular tube, and a long hole (slot) 11 is formed from one end to the other end in the central longitudinal direction of one side (the bottom side in this figure).

Inside the slot 11, wall portions 12 are formed on both sides of the slot 11, and the edge portions of the both wall portions 12, 12 are connected by a bottom portion 13, and the both wall portions 12, 12 are connected to the bottom surface. A space 15 is formed by the part 13.
Since the cross-sectional shape of the slot 11 and the space 15 is T-shaped, it is generally called a T-shaped slot or a T-slot.

Protrusions 14, 14 (see FIG. 2) are formed on each of both wall portions 12, 12 of the T-shaped slot along the longitudinal direction. The presence of the ridges 14 is a feature of the present invention.
2A, the nut 62 is fitted into the space above the ridges 14 from the end of the aluminum rail 10.

  Then, a nut 62 is disposed at a fixed position, and a shaft portion 61j of a bolt 61 is inserted into the aluminum rail 10 from below through a screw insertion hole 65 of an L-shaped frame body 60 to be fixed. It is screwed with 62.

  As a result, the nut 62 is tightened by the bolt 61, and the nut 62 is pulled downward in the drawing. As a result, as shown in FIG. Bends or breaks. The nut 62 is fitted into the bent or broken protruding ridge portion 14 ', so that the screwing positions of the bolt 61 and the nut 62 do not shift or slip.

  In other words, at the screwing position, the aluminum rail 10 does not slip or slip in the longitudinal direction, or the side of the frame 60, which is the article to be fastened, also shifts in the longitudinal direction of the aluminum rail 10, Sliding is prevented.

Here, the position where the protruding portion 14 is provided needs to be located on the peripheral side surface portion of the nut 62 in a state where the nut 62 is fastened.
Therefore, the position where the ridge portion 14 is provided means that the position from the inner surface of the aluminum rail 10 is provided within a range shorter than the length of the nut 62 in the tightening direction (vertical direction length in the figure). Is required.

This is because the nut fastened between the ridges 41, 41 other than the part where the ridge 41 is bent or broken must be located. In other words, the fastened nut 62 is sandwiched between portions other than the bent or broken ridge.
This prevents the aluminum rail 10 from shifting or slipping in the longitudinal direction at the position where the bolt and nut are fastened.

The aluminum rail 10 is formed of a rectangular tube having a slot 11 on one side. The aluminum rail may not be a rectangular tube, and various forms can be considered.
In short, if at least one slot is provided on one side in the longitudinal direction and both wall portions are provided on both sides inside the slot, the above-mentioned ridge portion is provided on both wall portions. It can be provided.
That is, the present invention can be implemented without using a T-slot or a T-slot. That is, the bottom portion 13 in the above embodiment may not be provided.

Further, with respect to the screwing of the bolt and the nut, the head side of the bolt may be disposed inside the slot 11, and the nut may be screwed to the shaft of the bolt protruding outward and fixed by tightening. It is possible.
Further, in the above embodiment, the slots are provided on the bottom side of the aluminum rail, but the slots may be provided on any one side of the aluminum rail or on a plurality of sides thereof.

Here, as shown in FIG. 2 (C), the tip of the bent ridge 14 'is bite into the side surface of the nut 62. Therefore, in the present invention, the nut is prevented from loosening. The effect is also exhibited.
Further, a notch K is provided in the longitudinal direction of the root portion on the back side of each ridge 14.
The notch K is provided to make the protruding ridge 14 easily bend or break when the bolt 61 and the nut 62 are screwed and tightened.

3 to 5 show examples of other aluminum rails.
FIG. 3 shows a metal rail according to a second embodiment of the present invention, in which (A) is a perspective view and (B) is a front view.
The metal rail according to the second embodiment relates to an aluminum rail 20 as a fixture for fixing a solar cell module on a building roof.

  This aluminum rail 20 is provided with two rail-shaped wall portions 22, 22 as upright portions substantially in the center of an elongated flat base portion 23 over the entire length thereof. The upper end has wide portions 25, 25 formed wide, and has a form in which a slot 21 is formed therebetween.

Protrusions 24, 24 are provided in the longitudinal direction of the inner surfaces of the wall surfaces 22, 22, respectively.
The method of mounting the bolt and nut is the same as that of the first embodiment, and the description is omitted. However, the tip of the shaft portion of the bolt is inserted from above the slot 21 toward the inside of the slot 21 so that the ridge inside the slot is formed. The other ridges 24, 24 are bent or broken by screwing and tightening with a nut disposed below (rear side) below the portion 24, and other articles as other members to be fastened by fastening and fixing. Can be fixed.

FIG. 4 shows a metal rail according to a third embodiment of the present invention, in which (A) is a partially cutaway perspective view and (B) is a front view.
The metal rail according to the third embodiment also relates to an aluminum rail 30 serving as a base for supporting and fixing the solar cell module.
The aluminum rail 30 is formed in a long shape having a substantially H-shaped cross section and long in the longitudinal direction, and a slot 31 is provided on the upper surface of the aluminum rail 30 over the entire longitudinal direction.

  The space inside the slot 31 is provided from one end to the other end of the aluminum rail 30 with a width greater than the width of the slot 31, and extends over the entire length of both wall portions 32, 32 of this space. Protrusions 34, 34 are formed.

  A nut is arranged below the two ridges 34, 34 inside the slot 31, and the tip of the shaft of the bolt is inserted from above, screwed with the nut, and tightened, whereby the nut is tightened up. As a result, the ridge portion 34 is bent or broken, so that another article, for example, a solar cell module or the like can be fixed.

Incidentally, in the aluminum rail 30 according to the third embodiment, the edges of the solar cell module are mounted on the mounting portions 36, 36 on both sides of the upper end, and the nuts are bolted using fixing brackets. To fix the module.
Also in this embodiment, the method of fixing other articles to be fastened is the same as in the above embodiment.

FIG. 5 illustrates a metal rail according to a fourth embodiment of the present invention, in which (A) is a partially cutaway perspective view and (B) is a front view thereof.
The metal rail according to the fourth embodiment is an aluminum rail 40 made of aluminum, which is of a general-purpose type and has a substantially rectangular cross-section, but a slot 41 is provided on each side. Are provided at substantially the entire central portion in the longitudinal direction.

The cross-sectional shape of the space inside each slot 41 is not a substantially rectangular shape as in the above embodiment, but has a shape such that both inner wall surfaces bulge outward.
Although not shown, ridges are provided at portions indicated by arrows Y in the entire longitudinal direction of the portions near the slot 41 on both wall portions of such a space.

  Thereby, the nut arranged inside the projecting ridge portion 41 (center side) inside the slot 41 is inserted from the outside of the slot 41 through the shaft portion of the bolt, screwed into the nut, and tightened. Thereby, the ridge 41 is bent or broken at the portion of the nut, and another article can be screwed and fixed.

  Thereby, it is possible to prevent the aluminum rail 40 from shifting or slipping in the longitudinal direction at the fixing portion. Alternatively, it is possible to prevent the article to be fixed from shifting or slipping in the longitudinal direction of the aluminum rail 41 at the fixing portion, and at the same time, to prevent the nut from loosening.

Here, the fixing method according to the present invention is summarized as follows.
With respect to an aluminum rail used for supporting and fixing an article, an elongated hole (slot) is formed in at least one side surface of the aluminum rail in a longitudinal direction thereof, and a bolt and nut as fixing means is used by using the slot. This is a method for fixing an aluminum rail to fasten and fix another article or another article.

Inside the slot, on both sides of the slot, both wall portions having substantially the same width as the width of the bolt head or nut are provided in the longitudinal direction, and in the longitudinal direction of both wall portions inside the slot. A ridge is provided in the longitudinal direction of the aluminum rail.
Nuts are arranged behind these ridges, and a bolt shaft is screwed in from the outside of the slot and tightened.

As a result, the nut arranged inside the slot is tightened up, and the ridge is bent or broken and fastened.
As a result, displacement or slippage in the longitudinal direction of another article to be fastened or the metal rail can be prevented, and loosening of the nut can be prevented.
Of course, the tightening of the bolt and nut can be reversed by arranging the bolt on the inside and arranging the nut on the outside.

The embodiments of the present invention have been described above. However, in the present invention, various design changes can be made as follows.
The material of the metal rail according to the present invention may be other metal such as steel other than aluminum.
Its cross-sectional shape is completely free.
In the first and fourth embodiments, the cross-sectional shape is substantially square, but the cross-sectional shape in the second embodiment has a shape like a paddy field map symbol, and the third embodiment Has a substantially H-shaped cross-section, but the cross-sectional shape of the metal rail can be freely changed.

The fixing structure and the fixing method according to the present invention can be applied as long as the slots are provided on at least one side surface.
In the case of a substantially rectangular cross section, slots may be provided on all four sides thereof, or may be provided on any one or a plurality of sides as appropriate.

Further, the fixing means disposed inside the slot may be either a nut or a bolt head, as long as the width of the internal space of the slot is substantially the same as the width of the nut or bolt head.
The lateral width of the nut means the distance between opposing sides of the square nut in a plan view, and the distance between the opposing sides in the case of a hexagonal bolt head.
Of course, various shapes can be adopted as the plan view shape of the nut or the plan view shape of the bolt head.

  Finally, the ridge according to the present invention is bent or broken at that portion by the nut or bolt head, and the tip of the ridge at the bent or broken portion is formed around the nut. The side surface or the peripheral side surface of the bolt head is pressed or digged in, so that a springback function such as a spring washer is exerted, so that an effect of preventing the bolt and nut from loosening is also exerted.

  As described above, in the present invention, a slot is provided in one side longitudinal direction of the metal rail, and a ridge is provided on both wall surfaces inside the slot, and the ridge is bent or broken by a nut or bolt head. As a result, it is possible to provide a metal rail fixing structure and a metal rail fixing structure capable of preventing the metal rail from being displaced or slipped at the screwed fixing portion.

10, 20, 30, 40 Aluminum rail 11, 21, 31, 41 Slot (long slot)
12, 22, 32 Wall surface part 13 Bottom part 14, 14 ', 24, 34 Ridge part 15 Space 60 Frame body 61 Nut 62 Bolt 65 Screw insertion hole K Notch

Claims (8)

A metal rail used for supporting and fixing an article. An elongated hole (slot) is formed in one side surface of the metal rail in the longitudinal direction, and the slot is used as fixing means. In a metal rail fixing structure capable of fastening and fixing other articles or other articles by bolts and nuts,
Inside the slot, on both sides of the slot, both wall portions having substantially the same width as the lateral width of the bolt head or nut are provided in the longitudinal direction,
Protrusions are respectively provided in the longitudinal direction of both wall portions inside the slot, nuts are arranged on the inner side of these protrusions, a bolt shaft is screwed in from the outside of the slot, and tightened, whereby the slot is formed. When the nut arranged inside is tightened and the ridge portion is bent or broken and fastened, the other member or the metal rail to be fastened is displaced in the longitudinal direction or A metal rail fixing structure capable of preventing slippage and preventing nut loosening.   The metal rail fixing structure according to claim 1, wherein a bolt head is disposed inside the slot by reversing the arrangement of the bolt and nut as the fixing means.   3. The metal rail fixing structure according to claim 1, wherein an aluminum rail made of aluminum is used as the metal rail.   The metal rail according to any one of claims 1 to 3, wherein a notch portion is formed in a longitudinal direction of a root portion on a depth side of the ridge portion provided inside the slot. Fixed structure. A metal rail used for supporting and fixing an article. An elongated hole (slot) is formed in one side surface of the metal rail in the longitudinal direction, and the slot is used as fixing means. In a method of fixing a metal rail to fasten another article or to another article by bolts and nuts,
Inside the slot, on both sides of the slot, both wall portions having substantially the same width as the lateral width of the bolt head or nut are provided in the longitudinal direction,
Protrusions are respectively provided in the longitudinal direction of both wall portions inside the slot, nuts are arranged on the inner side of these protrusions, a bolt shaft is screwed in from the outside of the slot, and tightened, whereby the slot is formed. The nut disposed inside is tightened up to bend or break the ridge portion to fasten, thereby displacing or slipping in the longitudinal direction of another article to be fastened or the metal rail. A method for fixing a metal rail, wherein the metal rail can be prevented from loosening.   6. The arrangement of a bolt and nut as the fixing means is reversed, a bolt head is disposed in the slot, and the nut is screwed and fastened to a bolt shaft protruding outside from the slot. 3. The method for fixing a metal rail according to item 1.   The method for fixing a metal rail according to claim 5, wherein an aluminum rail made of aluminum is used as the metal rail.   The metal rail according to any one of claims 5 to 7, wherein a notch is formed in a protruding portion provided inside the slot in a longitudinal direction of a root portion on a deep side of the protruding portion. How to fix.