JP2012076318A - Drill jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drill jig capable of easily and accurately forming a through hole at a predetermined position of a roof tile.SOLUTION: The drill jig 10 includes: a tool holding means 11 which holds a drilling tool 30 at a predetermined attitude relative to a surface 40a of the roof tile 40; a positioning means 12 which is detachably engaged with a plurality of positions at the periphery of the roof tile 40 (peripheral portions 40L, 40R, 40U) for holding the tool holding means 11 at a fixed position on the surface 40a of the roof tile 40; and a position changing means 13 which changes the relative position of the tool holding means 11 with respect to the positioning means 12. As the positioning means 12, a plurality of support members 14, 15, a guide member 16 and a guide stopper 17 are provided, and as the position changing means 13, a locking member 18 for fixing the tool holding means 11 in a position-changeable manner along an arrowed direction S orthogonal to the peripheral portions 40L, 40R is detachably attached to the guide member 16.

Description

  The present invention relates to a drilling jig used when opening a through hole in a roof tile using a drilling tool.

  As a roof support structure for attaching rooftop installations such as solar panels and solar hot water panels on the roof tiles of buildings, there is a conventional structure that uses support members that are erected on the building's field plate through the roof tiles. (For example, refer to Patent Document 1). When constructing a roof support structure described in Patent Document 1 and the like, an operation of opening a through hole in a roof tile is performed using a rotary drill or a vibration drill which is a drilling tool.

  Further, a drilling jig used when drilling in a curved surface portion of an object to be drilled has been proposed (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 9-165883 JP 2006-312222 A

  When using a drilling tool such as a rotary drill or a vibration drill to open a through-hole in the roof tile, the roof surface has slippery inclined surfaces and curved surfaces. Often to do. For this reason, even if it is a skilled technician, it is a very difficult operation | work to open a through-hole correctly in a predetermined position.

  On the other hand, the drilling jig described in Patent Document 2 can cope with various sizes and bends, but is not suitable for the work of opening a through hole in a roof tile.

  The problem to be solved by the present invention is to provide a drilling jig capable of easily and accurately opening a through hole at a predetermined position of a roof tile.

  The drilling jig of the present invention includes a tool holding means for holding the drilling tool in a fixed posture with respect to the surface of the roof tile, and a plurality of locations on the periphery of the roof tile for holding the tool holding means at a fixed position on the surface of the roof tile. And a position changing means for changing the relative position of the tool holding means with respect to the positioning means.

  Here, as the positioning means, a plurality of support members that are detachably engaged with opposing edge portions of the roof tile having a substantially rectangular shape in the plan view of the peripheral edge, and on the surface of the roof tile between the support members It is desirable to provide a guide member that is supported so as to straddle and a guide stopper that restrains the movement of the guide member in a direction parallel to the edge portion.

  Further, as the position changing means, it is desirable to attach a locking member for fixing the tool holding means so that the position of the tool holding means can be changed along a direction orthogonal to the edge portion.

  In this case, it is desirable that the tool holding means is detachable from the locking member.

  On the other hand, a support leg interposed between the surface of the roof tile and the tool holding means can be provided.

  According to the present invention, it is possible to provide a drilling jig capable of easily and accurately opening a through hole at a predetermined position of a roof tile.

It is a perspective view which shows the drilling jig which is embodiment of this invention. It is a figure which shows the use condition seen from the arrow A direction in FIG. It is a figure which shows another use condition.

  As shown in FIG. 1, the drilling jig 10 includes a tool holding unit 11 that holds the drilling tool 30 in a fixed posture with respect to the surface 40 a of the roof tile 40, and a fixed position on the surface 40 a of the roof tile 40. Positioning means 12 detachably engaged with a plurality of peripheral portions (edge portions 40L, 40R, 40U) of the roof tile 40, and a position change for changing the relative position of the tool holding means 11 with respect to the positioning means 12. Means 13.

  As the positioning means 12, a plurality of support members 14 and 15 that are detachably engaged with a pair of opposing edge portions 40 </ b> L and 40 </ b> R of the roof tile 40 having a substantially square shape in plan view, and the support members 14 and 15. A guide member 16 supported so as to straddle the surface 40a of the roof tile 40, and a guide stopper 17 that restrains movement of the guide member 16 in a direction parallel to the edge portions 40L and 40R (arrow T direction) are provided. ing.

  As the position changing means 13, a locking member 18 for fixing the tool holding means 11 so that the position of the tool holding means 11 can be changed along the direction (arrow S direction) orthogonal to the edge portions 40L and 40R is detachable from the guide member 16. Is attached. A support leg 19 is provided between the surface 40 a of the roof tile 40 and the locking member 18.

  Each of the support members 14 and 15 is formed of a flat plate material. The support member 14 is engaged in a state where the flat surface portion 14a is in contact with the edge portion 40L of the roof tile 40, and the support member 15 has the flat surface portion 15a. The front edge 20a of the support bolt 20 that is screwed through the flat surface portion 15a so as to face the edge 40R is engaged with the edge 40R. By rotating the support bolt 20 forward and backward, the tip 20a can be brought into contact with and separated from the edge 40R.

  The guide member 16 formed of a flat plate material is supported in a state of straddling the surface 40a of the roof tile 40 by fixing both end portions 16a and 16b to the support members 14 and 15, respectively. In the guide member 16, a plurality of rows of long holes 21, 22, and 23 are opened along a direction (arrow S direction) orthogonal to the edge portions 40 </ b> L and 40 </ b> R. A locking member 18 is mounted on the guide member 16, and wing screws 24 and 25 are screwed in a state of passing through the long holes 21 and 23 from the locking member 18.

  A support bolt 19 is screwed in a state of passing through the long hole 22 from the locking member 18, and a contact portion 19 b is provided at the lower end of the support bolt 19. The contact portion 19b can be moved up and down by rotating the support bolt 19 forward and backward.

  A base end portion 17 b of an L-shaped guide stopper 17 is fixed to a portion near one end portion 16 b on the guide member 16 with a plurality of screws 27. The distal end portion 17a of the guide stopper 17 is engaged with a part of the edge portion 40U of the roof tile 40 in contact.

  If the thumbscrews 24 and 25 are loosened, the locking member 18 can move in a direction (arrow S direction) perpendicular to the edge portions 40L and 40R. By tightening the thumbscrews 24 and 25, the guide member 16 The locking member 18 can be fixed at an arbitrary position within the long diameter range of the long holes 21 and 23. Further, in order to keep the guide member 16 and the locking member 18 in an orthogonal state at all times, a sliding member 26 slidable along the side surface portion 16 c of the guide member 16 is fixed to the lower surface of the locking member 18. . Although not shown, a scale for confirming the position of the locking member 18 is provided on the surface of the guide member 16.

  The locking member 18 formed of a rectangular flat plate material is mounted on the guide member 16 with its long side direction being parallel to the edge portions 40L and 40R, and the plurality of tool holding means 11 are each rectangular. A plurality of screws 28 are detachably fixed to a portion near the short side. Each tool holding means 11 has a cylindrical main body part 11a into which the drilling tool 30 can be inserted, and a flange part 11b provided near the lower end of the main body part 11a. The lower end part 11c of the main body part 11a is engaged. The stopper member 18 is penetrated and exposed to the lower surface of the locking member 18.

  The usage of the drilling jig 10 will be described with reference to FIGS. By moving and adjusting the locking member 18 along the guide member 16 in accordance with the distance from the edge 40L of the roof tile 40 to the planned drilling position, the main body of the tool holding means 11 from the flat surface 14a of the support member 14 is adjusted. The locking member 18 is fixed to the guide member 16 by setting the distance to the axis 11d of 11a and tightening the thumb screws 24 and 25. In addition, the support bolt 20 of the support member 15 is loosened so that the distance between the tip end portion 20a and the flat surface portion 14a of the support member 14 is slightly larger than the distance between the edge portions 40L and 40R of the roof tile 40.

  Next, the drilling jig 10 is mounted on the roof tile 40 so that the edge portions 40L and 40R of the roof tile 40 placed on the predetermined reference plane B are sandwiched between the support members 14 and 15. Next, after the front end portion 17a of the guide stopper 17 is brought into contact with the edge portion 40U of the roof tile 40, the movement of the guide member 16 in the direction parallel to the edge portions 40L and 40R (arrow T direction) is restrained. Then, the support bolt 20 is rotated, and the front end portion 20a is tightened until 0a abuts against the edge portion 40R of the roof tile 40, and the position of the locking member 18 is determined. When the head 19a of the support leg 19 is rotated and the contact portion 19b is brought into contact with the surface 40a of the roof tile 40, the setting of the drilling jig 10 is completed.

  Thereby, since the position of the tool holding means 11 with respect to the roof tile 40 is uniquely determined, the tip of the drilling tool 30 is inserted into the main body 11a of the tool holding section 11 as shown in FIG. If it is made to contact | abut to the surface 40a and the drilling tool 30 is operated, the through-hole H1 can be opened in the predetermined position of the roof tile 40 easily and correctly.

  As described above, if the thumbscrews 24 and 25 are loosened, the locking member 18 can move along the guide member 16, and therefore, as shown in FIG. 3, between the side edges 40 </ b> L and 40 </ b> R of the roof tile 40. If the position of the locking member 18 is set near the center, the through hole H2 can be opened in the valley portion of the roof tile 40.

  As shown in FIG. 1, in the drilling jig 10, the plurality of tool holding means 11 are arranged along the long side direction of the locking member 18 to move the drilling jig 10 once set on the roof tile 40. The plurality of through holes H1 can be opened along the direction parallel to the edge portions 40L and 40R of the roof tile 40, but the present invention is not limited to this. Etc. can be arbitrarily set.

  Moreover, since the tool holding means 11 can be attached to and detached from the locking member 18, if a plurality of tool holding means 11 having different inner diameters of the main body portion 11a are prepared and selectively mounted, the tool holding means 11 is suitable for construction conditions. A through hole with an inner diameter can be opened in the roof tile 40. Further, as shown in FIG. 1, since the guide stopper is detachably fixed to the guide member 16 using a screw 27, a long hole 17c through which the screw 27 can pass is provided on the base end portion 17b side. If this is the case, it is possible to change the restraint position by the tip 17a.

  The drilling jig of the present invention is an auxiliary tool for opening a through hole in a tile using a drilling tool in a construction site where a rooftop installation such as a solar panel or a solar hot water panel is mounted on a roof tile of a building. Can be widely used.

DESCRIPTION OF SYMBOLS 10 Drilling jig 11 Tool holding means 11a Main body part 11b Flange 11c Lower end part 11d Axis center 12 Positioning means 13 Position changing means 14, 15 Support member 14a, 15a Plane part 16 Guide member 16a, 16b End part 16c Side part 17 Guide stopper 17a, 20a Tip portion 17b Base end portion 17c, 21, 22, 23 Long hole 18 Locking member 19 Support leg 19a Head 19b Contact portion 20 Support bolt 24, 25 Butterfly screw 26 Sliding member 27, 28 Screw 30 Drilling tool 40 roof tile 40a surface 40D, 40L, 40R, 40U edge A, S, T arrow B B reference plane H1, H2 through hole

Claims (5)

  Tool holding means for holding the drilling tool in a fixed posture with respect to the surface of the roof tile, and positioning for detachably engaging with a plurality of positions on the peripheral edge of the roof tile in order to hold the tool holding means at a fixed position on the surface of the roof tile And a position changing means for changing a relative position of the tool holding means with respect to the positioning means.   As the positioning means, a plurality of support members that are detachably engaged with opposing edge portions of the roof tile having a substantially quadrangular shape in the periphery, and a state in which the surface of the roof tile is straddled between the support members The drilling jig according to claim 1, further comprising a guide member supported by the guide member and a guide stopper for restraining movement of the guide member in a direction parallel to the edge portion.   The locking member for fixing a tool holding means so that a position change is possible along the direction orthogonal to the said edge part as said position change means was attached to the said guide member. Drilling jig.   The drilling jig according to claim 3, wherein the tool holding means is detachable from the locking member.   The drilling jig according to claim 3 or 4, further comprising a support leg interposed between a surface of the roof tile and the locking member.

Images