JP2005240290A - Structure of implement for attaching/detaching bolt member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently fasten a tip male screw part of a bolt member, inserted into a bolt inserting hole formed in a skeleton member of a wooden house building, to a female screw member provided on the opposite side of the male screw part with the skeleton member in between. <P>SOLUTION: This structure 10 of an implement for attaching/detaching the bolt member is composed of an implement locking protrusion 15 which is provided in the state of protruding from a side surface of the bolt member 11, and a cylindrical pipe member 17, one end surface of which is closed with a top surface board 16; an engaging protrusion 18 to be engaged with a rotary drive unit 50 is provided in the state of protruding outward from the top surface board 16; a locking notch 19 for locking an implement locking protrusion 15 of the bolt member 11 is composed of an implement body 21, the other end surface of which is equipped with a bolt inserting opening 20 formed at a peripheral edge; and the protrusion 15 is provided in a position to cross an opening surface of the opening 20, when the bolt member 11 is inserted into the implement body 21. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a bolt member attaching / detaching jig structure, and in particular, a front male screw portion of a bolt member that is inserted into a bolt insertion hole formed in a framework member of a wooden house building is provided on the opposite side across the framework member. The present invention relates to a bolt member attaching / detaching jig structure used when fastening to a formed female screw member or releasing a fastening state.

  For example, in order to speed up and increase the accuracy of construction of residential buildings, unit housings have been developed in which a plurality of housing units formed in advance in a factory or the like are assembled and constructed at a construction site. In such a unit house, each formed housing unit is loaded on a construction site, for example, loaded on a truck for transportation, etc., lifted using a heavy machine for lifting such as a crane and installed at a desired position, Unit housing is assembled by connecting and integrating with other housing units.

On the other hand, the operation of connecting and integrating the housing units to form such a unit house may be performed using connecting bolts such as both screw bolts (for example, see Patent Document 1). That is, for example, upper frame member, lower frame member, vertical frame member and the like as a skeleton member constituting the housing unit, the bolt insertion holes are matched between adjacent housing units, for example, both screw bolts are inserted, The housing units are joined and integrated by fastening and fixing the male screw portions at both ends to the opening peripheral portions of the bolt insertion holes of the skeleton members on both sides of the joint surface via female screw members such as nuts. Further, in order to be able to quickly perform such a bolt member fastening operation at a construction site, for example, a female screw is formed on the lower surface of the upper frame member of the lower housing unit among the housing units stacked vertically. The member is attached in advance, and at the time of fastening work, the bolt member is inserted from above the bolt insertion hole, and the lower end male screw part is screwed into the female screw member on the opposite side across the upper frame member Is devised so that the bolt member can be tightened smoothly.
JP 2000-96721 A

  As described above, by attaching a female screw member such as a nut to the opposite side of the framework member in advance, the trouble of screwing the bolt member inserted while supporting the female screw member by hand is eliminated. The tightening operation can be carried out smoothly to some extent, but the operation of inserting the bolt member into the bolt insertion hole and screwing the male screw portion of the tip into the female screw member is performed by screwing one by one. Therefore, it was a troublesome work, and sufficient efficiency was not always achieved. That is, the female screw member is attached to the side opposite to the inlet side of the bolt insertion hole with a frame member having a considerable thickness interposed therebetween, and the end of the bolt member is screwed to the female screw member. Since the work to be done is a fastening work to a remote place through the framework member, there are many ways to firmly tighten the bolt member to the female screw member while adding rotation while supporting it in a stable state. It will take time. In particular, when it is necessary to fasten the bolt members to a large number of bolt insertion holes, the labor is tremendous, so the bolt members are inserted into the bolt insertion holes formed in such a framework member. Development of a new technique that enables efficient insertion and fastening to the opposite female screw member is desired.

  In addition, since the work of releasing the bolted state and removing the bolt member from the bolt insertion hole after being fastened to the female screw member on the opposite side across the framework member is also a troublesome work, It is desired to develop a new technology that enables efficient bolt member attachment / detachment work.

  The present invention has been made by paying attention to such a conventional problem, and the front male screw portion of the bolt member inserted into the bolt insertion hole formed in the frame member of the wooden house building is used as the frame member. It is an object of the present invention to provide a bolt member attaching / detaching jig structure capable of efficiently fastening to a female screw member provided on the opposite side of the pinch and releasing the fastening state.

  According to the present invention, the front male screw portion of the bolt member inserted into the bolt insertion hole formed in the frame member of the wooden house building is fastened to the female screw member provided on the opposite side across the frame member. A bolt member attaching / detaching jig structure used when releasing the tightening state, and projecting from the side surface of the bolt member and provided in at least two circumferentially spaced positions. A stop projection and a cylindrical pipe member whose one end surface is closed by a top panel, and an engagement projection to the rotary drive device are provided to project outward from the top panel, and the bolt member is cured. A jig main body having a bolt insertion opening formed on the other end surface with a locking notch for locking the tool locking protrusion formed on the peripheral edge, and the jig locking protrusion includes the bolt member. The jig is inserted through the bolt insertion opening. The above-mentioned object is achieved by providing a bolt member attaching / detaching jig structure provided at a position where the bolt insertion opening intersects the other end surface where the bolt insertion opening is opened when it is inserted until it hits the inside of the main body. .

  In the bolt member attaching / detaching jig structure of the present invention, the bolt member is preferably a double screw bolt.

  Further, in the bolt member attaching / detaching jig structure of the present invention, it is preferable that the jig locking projections are provided at opposing positions shifted by 180 degrees in the circumferential direction.

  Furthermore, it is preferable that the bolt member attaching / detaching jig structure of the present invention is provided with a bolt insertion depth adjusting protrusion protruding from the top panel inward of the jig main body.

  According to the bolt member attaching / detaching jig structure of the present invention, the front male screw portion of the bolt member inserted into the bolt insertion hole formed in the frame member of the wooden house building is provided on the opposite side across the frame member. It is possible to efficiently fasten or release the fastened state to the formed female screw member.

  A detachable jig structure 10 (see FIG. 3) according to a preferred embodiment of the present invention is, for example, FIG. 1 manufactured in advance in a factory or the like that constitutes a unit house by a frame wall construction method that is a wooden house building, for example. The housing unit 50 as shown in FIG. 4 is used when a unit housing is formed by lifting and unifying the housing unit 50 at a construction site and joining and integrating with other housing units. That is, the attachment / detachment jig structure 10 of the bolt member 11 according to the present embodiment is an operation for connecting the housing units 50a and 50b, which are stacked and integrated vertically, for example, as shown in FIG. Prior to this, the front male thread portion 11a of the bolt member 11 inserted into the bolt insertion hole 13 formed in the upper frame member (frame member) 12 of the housing unit 50a disposed below is sandwiched between the upper frame member 12 It is used as a jig structure for fastening to a fastening nut member (female screw member) 14 attached along the lower surface of the upper frame member 12 on the opposite side.

  And as shown in FIGS. 3-5, the attachment / detachment jig | tool structure 10 of this embodiment is made to protrude from the side surface of the bolt member 11, and the jig | hook latching provided in the circumferential direction at at least 2 places. The projection 15 includes a cylindrical pipe member 17 whose one end surface is closed by the top panel 16, and the engagement projection 18 to the rotation driving device (see FIG. 6) 30 is outward (upward) from the top panel 16. And a jig main body 21 provided with a bolt insertion opening 20 formed at the peripheral edge of a locking notch 19 for locking the jig locking projection 15 of the bolt member 11 at the other end. And the jig locking projection 15 intersects the other end surface of the bolt insertion opening 20 when the bolt member 11 is inserted through the bolt insertion opening 20 until it strikes the jig body 21. Is provided.

  Further, according to the present embodiment, a pair of jig locking projections 15 of the bolt member 11 are provided at opposing positions shifted by 180 degrees in the circumferential direction, and the jigs 21 are cured from the top panel 16 of the jig main body 21. A bolt insertion depth adjustment protrusion 22 is provided so as to protrude inward of the tool body 21.

  Here, as shown in FIG. 1, the housing unit 50 is provided with wall panels 52 and 53 erected from, for example, a pair of short sides and one long side of a rectangular floor panel 51. As shown in FIG. 2, a fastening nut member 14 as a female screw member is, for example, an upper frame constituting a wall frame of the wall panel 52 at the upper end portion of the wall panel 52 erected from the pair of short sides. It is attached along the lower surface of the member 12 and the inner surface of the vertical frame member 23. Further, when the housing unit 50 is lifted, for example, an eyebolt or the like is inserted into the bolt insertion hole 13 and fastened to the fastening nut member 14, and after the housing unit 50 is installed, the lifting eyebolt or the like is removed. Then, the bolt member 11 composed of both screw bolts is inserted into the bolt insertion hole 13 and fastened again, and the upper and lower housing units 50a and 50b are connected through the bolt member 11 thus fastened. . And the attachment / detachment jig structure 10 of this embodiment can perform efficiently the fastening to the fastening nut member 14 via the bolt insertion hole 13 of the front-end | tip male screw part 11a of such a bolt member 11. FIG. It was adopted to make it.

  Further, according to the present embodiment, the fastening nut member 14 as the female screw member is integrally joined to the nut body 24 and the nut body 24 as shown in FIGS. The washer plate 25 and an outer diameter smaller than the inner diameter of the bolt insertion hole 13 projecting from the surface of the washer plate 24 on the side opposite to the nut body 24 side, and an inner diameter larger than the female screw hole of the nut body 24 And an annular projection 26 having The washer plate 25 is provided with a vertical plate portion 27 that is bent from the end edge of the washer plate 25 so as to be vertically bent into an L shape, and is fixed to the side surface of the upper end portion of the vertical frame member 23. The washer plate 25 is attached along the lower surface of the upper frame member 12 while being attached and fixed via screws or the like. Further, a U-shaped reinforcing member 28 is attached to the surface of the washer plate 25 on the side where the vertical plate portion 27 extends. Since the front male screw portion 11a of the bolt member 11 is screwed into the female screw hole of the nut main body 24 of the fastening nut member 14, and the fastening nut member 14 includes an annular protrusion 26, this By disposing the annular protrusion 26 inside the lower end portion of the bolt insertion hole 13, the front male screw portion 11 a of the bolt member 11 inserted through the bolt insertion hole 13 is smoothly guided to the female screw hole of the nut body 24. It becomes possible.

  Then, as described above, the attachment / detachment jig structure 10 of the present embodiment is configured to protrude from the side surface of the bolt member 11 and to be provided with two jig locking projections 15 provided at two intervals in the circumferential direction, and a cylinder. And a jig body 21 made of a pipe member 17 (see FIGS. 3 to 5).

  As shown in FIGS. 4 (a) and 4 (b), the bolt member 11 provided with the jig locking protrusion 15 has a length of about 100 to 300 mm, for example, having M12 tip male thread portions 11a and 11b at both ends. The outer diameter of the intermediate portion sandwiched between the male screw portions 11a and 11b at both ends is, for example, 12 mm. Further, for example, in a region of about 30 to 100 mm from the upper end of the bolt member 11, for example, a flange processing or the like is performed at a facing position shifted by 180 degrees in the circumferential direction, thereby, for example, about 5 to 20 mm in the axial direction of the bolt member 11. A pair of jig locking projections 15 are provided which extend in length and project from the side surface of the bolt member at a height of, for example, about 1 to 2 mm.

  Further, in the region where the jig locking projections 15 are provided, the upper part of the bolt member 11 is inserted into the hollow interior of the jig body 21 through the bolt insertion opening 20 as described later, and the upper end surface thereof is cured. The bolt insertion opening 20 is an area that intersects with the other end surface of the jig body 21 where the bolt insertion opening 20 is pushed when pushed into the bolt insertion depth adjustment protrusion 22 that protrudes inward from the tool body 21. . Therefore, when the bolt member 11 is inserted until the bolt insertion depth adjustment protrusion 22 hits in this way, the jig locking protrusion 15 is formed at the peripheral edge of the bolt insertion opening 20 of the jig body 21. The bolt members 11 can be easily and stably rotated with the rotation of the jig main body 20.

  As shown in FIGS. 5A to 5C, the jig body 21 is a cylinder having an inner diameter of about 13 to 20 mm, an outer diameter of about 15 to 25 mm, and a length of about 20 to 120 mm, for example. The one end surface which is the upper surface is closed by the disk-shaped top plate 16. Further, there is provided a hexagonal cross-section engaging protrusion 18 that protrudes upward from the central portion of the top panel 16 and is detachably engaged with a rotary chuck portion 31 of the rotary drive device 30 described later. A cylindrical rod-shaped bolt insertion depth adjustment protrusion 22 is provided inside the jig main body 21 so as to protrude downward from the center portion of the board 16. The bolt insertion depth adjustment protrusion 22 is capable of adjusting the insertion depth of the bolt member 11 by advancing and retreating the protrusion length. However, the bolt insertion depth adjustment protrusion 22 is not necessarily provided. Instead, the bolt member 11 may be inserted until the upper end surface of the bolt member 11 directly contacts the top panel 16.

  The bolt insertion opening 20 formed in the other end surface which is the lower surface of the jig body 20 has an inner diameter of the cylindrical pipe member 17 and a length between the tips of the pair of jig locking projections 15 in the bolt member 11. Is a substantially circular opening having an inner diameter larger than the outer diameter of the bolt member 11, and at a position opposite to the periphery of the opening by 180 degrees, a pair of substantially rectangular shapes cut out to the outside. A locking notch 19 is formed. Accordingly, the upper portion of the bolt member 11 can be smoothly inserted into the jig main body 21 through the bolt insertion opening 20, and a pair of jig locking projections 15 are provided in the pair of locking notches 19. By inserting the bolt member 11 until the upper end surface abuts against the bolt insertion depth adjustment projection 22 while appropriately rotating to adjust the position, each jig locking projection 15 has each locking notch 19. Thus, the bolt member 11 can be rotated integrally with the rotation of the jig body 20.

  In order to fasten the distal male threaded portion 11a of the bolt member 11 to the fastening nut member 14 provided on the opposite side across the upper frame member 12 by the attaching / detaching jig structure 10 configured as described above, for example, The jig body 20 is attached to the rotary chuck portion 31 of the rotary drive device 30 as shown in FIG. Here, the rotary drive device 30 is a known device called an electric screwdriver, for example, and a drill or other rotary member mounted on the rotary chuck portion 31 is moved in the forward direction or the reverse direction with a predetermined torque set appropriately. It can be driven to rotate. Further, the rotary drive device 30 includes a clutch mechanism that idles when a predetermined torque is reached, and a fastening nut with a substantially constant and stable tightening force without tightening the bolt member 11 with an excessive rotational torque. It can be fastened to the member 14.

  And according to this embodiment, after attaching the jig main body 20 to the rotational drive apparatus 30, the upper part of the bolt member 11 is inserted in this jig main body 20, and the front-end | tip male thread part 11a is made into the bolt insertion hole 13. Are fastened to a fastening nut member 14 attached to the lower surface of the upper frame member 12 formed with That is, for example, after inserting the bolt member 11 inserted into the jig body 20 into the bolt insertion hole 13 while supporting it by hand, or rotating the upper portion of the bolt member 11 that is previously inserted and arranged in the bolt insertion hole 13 and protrudes upward. If the jig main body 20 is rotated by the rotation driving device 30 after being inserted into the jig main body 20 attached to the chuck portion 31 and locking the jig locking projection 15 to the locking notch 19, this is accompanied. Thus, the bolt member 11 rotates with a stable rotational torque.

  If the bolt member 11 is pushed out toward the fastening nut member 14 in this state, the tip male screw portion 11a is guided by the annular projection 26 of the fastening nut member 14 and is inserted into the female screw hole of the nut main body 24. It is easily positioned and is fastened and fastened to the fastening nut member 14 quickly and easily via the rotational driving force of the rotational drive device 30. Further, when the front male screw portion 11a is sufficiently fastened to the fastening nut member 14, the rotational drive device 30 is idled. Therefore, the upper frame can be secured in a strong and stable state without excessively fastening the bolt member 11. The bolt member 11 can be fastened to the fastening nut member 14 provided on the opposite side across the member 12. By using the attachment / detachment jig structure 10 of this embodiment, the bolt member 11 can be easily fastened to the fastening nut member 14 in a strong and stable state by the rotary drive device 30 as described above. Therefore, even when it is necessary to fasten the bolt member 11 to the numerous bolt insertion holes 13, it is possible to perform such fastening work efficiently.

  In addition, according to the present embodiment, the bolt member 11 fastened to the female screw member provided on the opposite side across the framework member can be easily released from the bolt insertion hole 13 as necessary. It is also possible to remove from. In other words, in the tightened state, for example, a bolt member 11 whose upper portion protrudes upward from the bolt insertion hole 13 with respect to the jig locking projection 15 is attached to the rotary chuck portion 31. If the jig main body 20 is rotated in the reverse direction by the rotary drive device 30 after being inserted into the tool main body 20 and the jig locking projection 15 is locked in the locking notch 19, the bolt member 11 is rotated accordingly. Rotates in the opposite direction in a stable state, and the fastened state is released easily and quickly.

  Therefore, according to the present embodiment, by using the attachment / detachment jig structure 10, the male end of the bolt member 11 inserted into the bolt insertion hole 13 formed in the framework member (upper frame member) 12 of the wooden house building. The screw portion 11a can be efficiently fastened to the female screw member (fastening nut member) 14 provided on the opposite side across the framework member 12 or the fastened state can be released.

  The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the attachment / detachment jig structure of the present invention is not limited to the case where a frame member of a unit house by a frame wall method is used as a frame member, but other methods such as a conventional shaft frame method or a method other than the unit method It can also be used to fasten a bolt member to a bolt insertion hole formed in various frame members constituting the wooden house building according to the above. Further, the bolt insertion hole is not limited to the one formed in the vertical direction, and the present invention may be adopted when the bolt member is fastened to the bolt insertion hole formed in the lateral direction or the oblique direction. it can. Further, the bolt member is not limited to both screw bolts, and can be applied to the present invention by providing jig locking projections on other various bolt members. Furthermore, it is not always necessary to provide a pair of jig locking projections at opposing positions shifted by 180 degrees in the circumferential direction on the side surface of the bolt member, and it is possible to provide three or more positions together with the locking notches.

It is a schematic perspective view explaining the housing unit connected through the attachment / detachment jig structure of the bolt member which concerns on one Embodiment of this invention. It is sectional drawing explaining the connection structure at the time of connecting an upper and lower housing unit via the attachment / detachment jig structure of the volt | bolt member which concerns on one Embodiment of this invention. It is sectional drawing explaining the structure of the attachment / detachment jig | tool structure of the volt | bolt member which concerns on one Embodiment of this invention. (A), (b) is the side view of the bolt member seen from the direction which differed 90 degree | times to the circumferential direction. (A) is a top view of a jig body, (b) is a sectional view of the jig body, and (c) is a bottom view of the jig body. It is a side view which illustrates a rotation drive device. The structure of a fastening nut member is demonstrated, (a) is a side view, (b) is a front view, (c) is a bottom view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Bolt member attachment / detachment jig structure 11 Bolt members 11a and 11b The front male screw part 12 of a bolt member 12 Upper frame member (framework member)
13 Bolt insertion hole 14 Fastening nut member (female screw member)
15 Jig Locking Protrusion 16 Top Panel 17 Cylindrical Pipe Member 18 Engaging Protrusion 19 to Rotating Drive 19 Locking Notch 20 Bolt Insertion Opening 21 Jig Main Body 22 Bolt Insertion Depth Adjustment Protrusion 24 Nut Main Body 25 Washer Plate 26 Annular projection 30 Rotation drive device 50, 50a, 50b Housing unit

Claims (4)

When fastening the front male screw portion of the bolt member inserted into the bolt insertion hole formed in the frame member of the wooden house building to the female screw member provided on the opposite side across the frame member, or A bolt member attaching / detaching jig structure used when releasing the fastening state,
Protrusions for locking the jig provided at least at two locations spaced from each other in the circumferential direction by projecting from the side surface of the bolt member;
It is made of a cylindrical pipe member whose one end surface is closed by a top panel, and an engaging projection for the rotary drive device is provided to project outward from the top panel, and a jig locking projection for the bolt member And a jig main body provided with a bolt insertion opening formed at the peripheral edge on the other end surface.
The jig locking projection is provided at a position intersecting the other end surface of the bolt insertion opening when the bolt member is inserted through the bolt insertion opening until it hits the inside of the jig main body. A bolt member attaching / detaching jig structure. The bolt member attaching / detaching jig structure according to claim 1, wherein the bolt member is a double screw bolt. 3. The bolt member attaching / detaching jig structure according to claim 1, wherein the jig locking projections are provided at opposing positions shifted by 180 degrees in the circumferential direction. The bolt member attaching / detaching jig structure according to claim 1, wherein a bolt insertion depth adjusting protrusion is provided so as to protrude inward of the jig main body from the top panel.

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