JP4814401B1 - Bolt fixing method - Google Patents

Abstract

There is provided a nut holder for bolting which can be carried out with good workability when bolted by screwing a bolt from above.
A bolt holding nut holder 1 for holding a nut when bolting, a nut holding portion 11 formed at a predetermined depth from a surface 10a of a holder main body 1A, and a bolt shaft And a configuration including a removal opening 16 penetrating from the nut holding part 11 to one side surface 10b of the holder main body 1A with a width smaller than the inner diameter of the nut holding part 11 and smaller than the inner diameter of the nut holding part 11. Has been.
[Selection] Figure 1

Description

The present invention relates to a bolting method using a bolting nut holder for holding a nut when bolting.

  Conventionally, when performing bolting, various tools for improving workability have been proposed and put into practice.

  For example, Patent Document 1 discloses a conventional technique devised so that a specially shaped washer having a gradient does not rotate when a bolt is screwed from below.

JP 2003-191171 A

  However, since the conventional technique such as Patent Document 1 is used when the bolt is screwed from the lower side, it is not suitable for use in a mounting operation of a solar cell module panel or the like that is widely performed in recent years. .

  This is because the solar cell module panel has a harmful effect that it is easy to be corroded by rainwater infiltrating the bolt shaft unless the bolt is screwed from above so that the head is at the top. Also, the design appearance is not good.

Accordingly, the present invention is, when performing bolted screwed the bolts from above, and its object is to provide a bolted method using the bolt nut holder can be performed workability good.

In order to achieve the above object, a bolt holding nut holder used in the present invention is a bolt holding nut holder for holding a nut when bolting, and is provided from the surface of the holder body. A nut holding portion formed at a depth, and having a width larger than the outer diameter of the bolt shaft and smaller than the inner diameter of the nut holding portion, is penetrated from the nut holding portion to one side surface of the holder body. And a washer holding portion formed shallower than the nut holding portion in succession to the nut holding portion of the holder main body, and for the removal of the holder main body. A shallower portion of the opening than the nut holding portion is formed wider than the outer diameter of the nut held by the nut holding portion.

  Moreover, it is good for the bolt bearing insertion part which receives the front-end | tip of a bolt axis | shaft to be deeper than the said nut holding part continuously with the said nut holding part of the said holder main body.

Moreover, it is good for the bottom face on the opposite side to the said surface of the said holder main body to be formed in planar shape.

  Furthermore, a handle may be provided on the holder body.

  The bolting method of the present invention is a bolting method in which the bolt is fastened by screwing a bolt from the upper side to a mounting plate provided at a predetermined height from the mounting surface, using the above-described bolting nut holder. And holding the nut in the nut holding portion of the bolt holding nut holder, and placing the holder main body of the bolt fixing nut holder under the bolt hole formed in the mounting plate. A step of setting on a surface, a step of screwing and fastening a bolt from above the mounting plate to the nut held by the nut holding portion, and the fastening bolt and the nut through the opening for removal. And a step of removing the holder body of the bolt holding nut holder.

Such a bolting nut holder used in the present invention is a bolting nut holder for holding a nut when bolting.

Then, the nut holding portion formed at a predetermined depth from the surface of the holder main body, and a width larger than the outer diameter of the bolt shaft and smaller than the inner diameter of the nut holding portion, and from the nut holding portion to the holder main body. And an opening for removal penetrating through one side surface .
In addition, a washer holding part is formed in a shallower part than the nut holding part continuously with the nut holding part of the holder body, and the shallower part than the nut holding part of the opening for removing the holder body holds the nut. It is the structure formed in the width | variety larger than the outer diameter of the nut hold | maintained at a part .

With this structure, for example, in the installation work of the solar cell module panel, the nut can be stably set at the bolting position in the narrow gap between the mounting plate and the roof surface, and the holder body is opened for removal after the bolt is tightened. Since it can be easily removed through the part, it is possible to perform with good workability when the bolt is screwed from the upper side to perform bolting.
Moreover, since the washer holding part is formed in the shallow part rather than the nut holding part continuously with the nut holding part of the holder body, the bolt can be stopped by the washer without loosening.
Furthermore, the shallower portion of the holder body than the nut holding portion of the opening for removal is formed wider than the outer diameter of the nut held by the nut holding portion, so that there is a gap between the mounting plate and the roof surface. The holder body can be removed even when such as is narrow.

  In addition, if a bolt bearing insertion part that accepts the tip of the bolt shaft is formed deeper than the nut holding part continuously with the nut holding part of the holder body, it can also handle bolts having a long bolt shaft. it can.

Moreover, when the bottom surface opposite to the surface of the holder body is formed in a flat shape, the holder body can be set in a stable state on the roof surface below the bolting position.

  Furthermore, when the handle body is provided with a handle, the holder body can be easily set to the bolted position using the handle.

  Such a bolting method of the present invention uses the above-described nut holder for bolting, and bolts for bolting by screwing the bolt from above to a mounting plate provided at a predetermined height from the mounting surface. Is the method.

  And a step of holding the nut in the nut holding portion of the bolting nut holder, and a step of setting the holder body of the bolting nut holder on the mounting surface below the bolt hole formed in the mounting plate; , A step of screwing and fastening a bolt from the upper side of the mounting plate to a nut held by the nut holding portion, and removing the holder body of the bolt holding nut holder from the tightened bolt and nut through the opening for removal It consists of a process.

  Since it is such a structure, since the above-described nut holder for bolting is used, for example, in the mounting operation of the solar cell module panel, when bolting is performed by screwing the bolt from the upper side, it can be performed with good workability. it can.

It is a top view which shows schematic structure of the nut holder for bolt fixing of an Example. It is an AA arrow directional cross-sectional view in FIG. It is a right view of the nut holder for bolt fixing of FIG. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example. It is explanatory drawing which shows the construction stage of the bolting method of an Example.

  DESCRIPTION OF EMBODIMENTS Hereinafter, modes for carrying out the present invention will be described based on examples shown in the drawings.

  First, the configuration of the embodiment will be described.

  FIG. 1 shows a schematic configuration of a nut holder 1 for bolting according to an embodiment.

  First, such a nut holder 1 for bolting is mainly composed of a holder body 1A and a handle 1B.

  Here, the holder main body 1A is an upper surface in a use state, and the surface 10a as a bolt / nut receiving surface has a rectangular shape with a side of 30 mm and a thickness of 31 mm.

  Further, as shown in FIG. 2, the nut holder 11 is formed in the holder main body 1 </ b> A in a depth range of 7 mm to 13 mm from the surface 10 a.

  Here, ten protrusions are provided on the inner periphery of the nut holding portion 11, and a hexagonal nut (hereinafter simply referred to as a nut) having an outer diameter of 14.6 mm can be easily inserted and rotated. It can be restrained and held.

  Further, in the holder main body 1A, a spring washer holding portion 12 as a washer holding portion having an inner diameter of 15.5 mm is formed in a depth range of 4 mm to 7 mm from the surface 10a of the nut holding portion 11. .

  Furthermore, the holder main body 1A has an inner diameter of 18 mm in a depth range of 5 mm from the surface 10a via a tapered portion 13 having a depth range of 4 mm to 5 mm from the surface 10a continuously with the spring washer holding portion 12. A flat washer holding portion 14 is formed as a washer holding portion.

  In addition, the holder main body 1A is formed with a bolt bearing insertion portion 15 having an inner diameter of 8.5 mm that penetrates to the bottom surface continuously with the nut holding portion 11.

  Further, the holder main body 1A is formed with a removal opening 16 penetrating from the nut holding portion 11, the spring washer holding portion 12, the taper portion 13, and the flat washer holding portion 14 to one side surface 10b of the holder main body 1A. Has been.

  Here, the opening 16 for removal is formed in the depth range of 13 mm from the surface 10a of the holder main body 1A as a whole.

  Further, as shown in FIG. 3, the opening 16 for removal is a narrow portion having a width of 9.0 mm that is slightly wider than the bolt bearing insertion portion 15 in the depth range of 6 mm to 13 mm from the surface 10a of the holder body 1A. 16a, the inclined portion 16b in the depth range of 6 mm to 8 mm from the surface 10a of the holder main body 1A, and the flat washer holding that is slightly wider than the nut holding portion 11 in the depth range of 6 mm from the surface 10a of the holder main body 1A. It consists of a wide part 16c having a width of 17 mm that is slightly narrower than the inner diameter of the part.

  Note that the handle 1B is attached to the side surface of the holder body 1A opposite to the side surface 10b on which the opening 16 for removal is formed at an angle of 120 ° substantially parallel to the surface 10a of the holder body 1A.

  Next, a bolting method using the bolting nut holder 1 will be described.

  In the bolting method of this embodiment, as shown in FIG. 4, the mounting piece 4 of the solar cell module panel is attached to the mounting plate 3 provided substantially parallel to the height of 35 mm from the roof surface 2 as the mounting surface. And install the solar cell module panel.

  In addition, only the attachment piece 4 was illustrated and illustration was abbreviate | omitted about the main body of the solar cell module panel.

  First, as shown in FIG. 4, the mounting piece 4 is positioned on the mounting plate 3, and the bolt hole 3a of the mounting plate 3 and the bolt hole 4a of the mounting piece 4 of the solar cell module panel are communicated.

  Subsequently, as shown in FIG. 5, the bolt 5 loosely screwed onto the nut 5 via the spring washer 7 and the flat washer 8 is set in the nut holder 1 for bolting.

  As shown in FIG. 6, when the bolt 6 is pulled out, the nut 5, the spring washer 7 and the flat washer 8 become the nut holding part 11, the spring washer holding part 12 and the flat washer holding of the nut holder 1 for bolting. It will be in the state currently held by each part 14.

  Subsequently, the nut holder 1 for bolting in the state shown in FIG. 6 is set on the roof surface 2 below the bolt hole 3a of the mounting plate 3 using the handle 1B as shown in FIG. To do.

  Subsequently, as shown in FIG. 8, when the bolt 6 is inserted into the bolt holes 3a and 4a from the upper side and this bolt 6 is screwed into the nut 5 with a fastener such as a wrench (not shown), 5 rises while being held by the nut holding portion 11.

  Even when the nut 5 is raised beyond the nut holding portion 11, a frictional force is generated on the side surface of the nut 5 due to light contact with the spring washer holding portion 12, so that the nut 5 rises and is screwed onto the bolt 6. I will do it.

  Further, when the spring washer 7 starts to deform, the urging force due to the repulsion is sufficiently applied to the upper surface of the nut 5, so that the nut 5 is screwed into the bolt 6 without rotating together.

  And as shown in FIG. 9, the volt | bolt 6 and the nut 5 are fastened firmly.

  Finally, using the handle 1B, when the holder main body 1A of the bolt holding nut holder 1 is removed from the tightened bolt 6 and nut 5 through the opening 16 for removal in the direction of arrow F perpendicular to the paper surface. As shown in FIG. 10, the attachment piece 4 of the solar cell module panel is firmly attached to the attachment plate 3 by the bolt 6 and the nut 5.

  And the remaining part performs the same operation | work and a solar cell module panel is installed.

  Next, functions and effects of the embodiment will be described.

  The bolting nut holder 1 of such an embodiment is a bolting nut holder for holding the nut 5 when performing bolting.

  And the nut holding part 11 formed at the above-described depth from the surface 10a of the holder main body 1A and the nut holding part having a width larger than the outer diameter of the bolt shaft and smaller than the inner diameter of the nut holding part 11 11 and the opening 16 for removal penetrated to one side surface 10b of the holder main body 1A.

  With this configuration, as described above, the nut 5 can be stably set at the bolted position in the narrow gap between the mounting plate 3 and the roof surface 2 as the mounting surface in the solar cell module panel mounting operation. Since the holder main body 1A can be easily removed through the removal opening 16 after the bolt 6 is fastened, it is possible to perform the work with good workability when the bolt 6 is screwed from above and bolted.

  Here, a spring washer holding portion 12 and a flat washer holding portion 14 as washer holding portions are formed in a shallower portion than the nut holding portion 11 continuously with the nut holding portion 11 of the holder main body 1A.

  For this reason, the bolt 6 can be stopped without loosening by the spring washer 7 and the flat washer 8 as washer.

  Further, a bolt bearing insertion portion 15 that receives the tip of the bolt shaft is formed deeper than the nut holding portion 11 continuously with the nut holding portion 11 of the holder main body 1A.

  For this reason, it can respond also to the volt | bolt 6 which has the above long volt | bolt shafts.

Furthermore, shallow than the nut holding portion 11 of the external opening 16 preparative of the holder main body 1A is, there is a wide portion 16c of greater width than the outer diameter of the nut 5 which is held in the nut holding portion 11.

  For this reason, the holder main body 1A can be removed even when the space between the mounting plate 3 and the roof surface 2 as the placement surface is narrow as described above.

Further, the bottom surface opposite to the surface 10a of the holder main body 1A is formed in a substantially flat shape.

  For this reason, 1 A of holder main bodies can be set in the stable state to the roof surface 2 etc. as a mounting surface below a bolting position.

  Furthermore, a handle 1B is provided on the holder main body 1A.

  For this reason, the holder main body 1A can be easily set at the bolting position using the handle 1B.

  In the bolting method of such an embodiment, the bolt 6 is screwed from the upper side to the mounting plate 3 provided at the above-described height from the roof surface 2 as a mounting surface using the above-described bolt-fastening nut holder 1. This is a bolting method for bolting together.

  Then, the step of holding the nut 5 in the nut holding portion 11 of the bolting nut holder 1 and the roof below the bolt hole 3a formed in the mounting plate 3 of the holder body 1A of the bolting nut holder 1 A step of setting on the surface 2, a step of screwing and fastening the bolt 6 to the nut 5 held by the nut holding portion 11 from the upper side of the mounting plate 3, and an opening for removing from the bolt 6 and the nut 5 which are fastened. 16, and a step of removing the holder main body 1 </ b> A of the bolt holder nut holder 1.

  Since it is such a structure, as above-mentioned, since the nut holder 1 for bolting is used, when attaching a bolt 6 from the upper side and performing bolting in the attachment operation | work of a solar cell module panel, workability is good. It can be carried out.

  As mentioned above, although the form for implementing this invention was explained in full detail based on the Example with reference to drawings, the concrete structure is not limited to this Example, and is a grade which does not deviate from the summary of this invention. Design changes are included in the present invention.

  For example, in the above-described embodiment, the spring washer holding portion 12, the taper portion 13, the flat washer holding portion 14, and the bolt bearing insertion portion 15 are formed on the nut holder 1 for bolting, but the present invention is not limited thereto. Alternatively, a simpler form in which only the nut holding part 11 and the removal opening 16 are provided may be used.

  Further, in the above-described embodiment, the outer shape of the holder main body 1A of the nut holder 1 for bolting is a rectangular parallelepiped, and the size thereof is also described. Just do it.

  Further, in the above-described embodiment, the bolt holding nut holder 1 is used only for installing the solar cell module panel. However, the present invention is not limited to this. For example, the bolt 6 is screwed from the side to be bolted. The present invention can also be applied to the case where the bolt is fastened by screwing from the lower side.

1 Bolt fixing nut holder 1A Holder body 1B Handle 10a Surface (Bolt / nut receiving surface)
10b Side face 11 Nut holding part 12 Spring washer holding part (washer holding part)
13 Taper part 14 Flat washer holding part (washer holding part)
15 Bolt bearing insertion portion 16 Removal opening portion 16a Narrow portion 16b Inclined portion 16c Wide portion 2 Roof surface (mounting surface)
3 Mounting plate 3a Bolt hole 4 Mounting piece 4a Bolt hole 5 Nut 6 Bolt 7 Spring washer (washer)
8 Flat washer

Claims (4)

A nut holder formed at a predetermined depth from the surface of the holder main body, and a width larger than the outer diameter of the bolt shaft and smaller than the inner diameter of the nut holder, and from the nut holder to the holder main body An opening for removal penetrating through one side surface of the holder, and a washer holding portion is formed in a shallower portion than the nut holding portion continuously with the nut holding portion of the holder body, Using a bolt holding nut holder in which the shallower portion of the removing opening of the holder body is formed wider than the outer diameter of the nut held by the nut holding portion , A bolting method in which a bolt is screwed from above to a mounting plate provided at a predetermined height from the mounting surface to perform bolting,
Holding the nut in the nut holding portion of the bolting nut holder;
Setting the holder body of the nut holder for bolting on the mounting surface below the bolt hole formed in the mounting plate;
A step of screwing and fastening a bolt from the upper side of the mounting plate to the nut held by the nut holding portion;
Removing the holder main body of the bolt holding nut holder from the tightened bolt and nut through the opening for removal. The bolt bearing insertion part which receives the front-end | tip of a bolt axis | shaft is formed in the deep part from the said nut holding | maintenance part continuously with the said nut holding | maintenance part of the said holder main body of the said bolt fixing nut holder. Item 2. The bolt fastening method according to Item 1. The bolting method according to claim 1 or 2, wherein the bottom surface of the bolting nut holder opposite to the surface of the holder body is formed in a flat shape. The bolt fastening method according to any one of claims 1 to 3, wherein a handle is provided in the holder body of the nut holder for bolt fastening.