JP2010203085A - Hardware for attaching separator to angle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a separator mounting cost by improving a conventional method for mounting, by welding, a separator for positioning a concrete form relative to an angle installed in a concrete deposited space. <P>SOLUTION: A vertical member 2 brought into contact with the outer side of the vertical plate part 8 of an angle 7 and a horizontal member 3 brought into contact with the upper side of the horizontal plate part 10 of the angle are connected to each other on the corner outer side of the angle so as to be opened and closed about a pivot shaft 4 positioned parallel to the longitudinal direction of the angle. An engagement recess 9 to which the lower-side of the vertical plate part of the angle is fitted is provided to the bottom end of the vertical member. An engagement claw part 11 which is engaged with the outer-side 10a of the horizontal plate part when the horizontal member is hammered toward the horizontal plate part of the angle is provided to the outer end of the horizontal member. A separator connection part 5 for connecting the separator 21 in the direction parallel to the longitudinal direction of the horizontal member is provided to the horizontal member. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a mounting bracket for mounting a separator for positioning a concrete form on a horizontally installed angle member.

  For example, when a separator that positions a concrete formwork is attached to a horizontally installed angle member used for construction of earth retaining walls, conventionally, one end screw shaft portion of the separator is placed on the horizontal plate portion of the angle member. It is common to directly weld or to weld a nut, and to attach the one end screw shaft portion of the separator to the nut.

  Both of the above-mentioned separator direct welding methods and nut welding methods are not only very expensive but also time consuming because of the fact that a welding engineer brings a welding machine to the site and the separator is installed by a welding engineer. There was a problem that workability was also bad.

  The present invention proposes a separator mounting bracket to an angle member that can solve the above-mentioned problems. In the present invention described in claim 1, reference numerals of embodiments to be described later are attached. The vertical member 2 that contacts the outside of the vertical plate portion 8 of the angle member 7 and the horizontal member 3 that contacts the upper side of the horizontal plate portion 3 of the angle member 7 are outside the corner portion of the angle member 7. An engaging recess 9 is provided at the lower end of the vertical member 2 in which the lower side of the vertical plate portion 8 of the angle member 7 is fitted. At the outer end of the horizontal member 3, an engaging claw portion that engages the outer side 10 a of the horizontal plate portion 10 by hitting the horizontal member 3 toward the horizontal plate portion 10 of the angle member 7. 11, and the horizontal member 3 has a length direction of the horizontal member 3. It is a separator connecting portion 5 for connecting the separator 21 has a configuration which is provided in a parallel orientation with.

  When carrying out the present invention, specifically, as described in claim 2, the vertical member 8 is formed in a cross-sectional groove shape that opens on the angle member 7 side, and is formed on both side plate portions 2a and 2b. The engaging recess 9 is formed, and the horizontal member 3 is formed in a U shape in a plan view, and the vertical member 2 is pivotally supported between the free end portions of both side plate portions 3a and 3b. The engaging claw portion 11 is formed on both side plate portions 3a and 3b of the outwardly protruding outer end portion 3d having a U-shaped cross section formed by the both side plate portions 3a and 3b and the outer end folded plate portion 3c, and the separator is connected. The portion 5 can be provided on the outer end folded plate portion 3 c of the horizontal member 3 so that the separator 21 to be connected enters between the side plate portions 3 a and 3 b of the horizontal member 3.

  Further, according to a third aspect of the present invention, the separator connecting portion 5 is a nut which is adjacent to the inside of the outer end folded plate portion 3c of the horizontal member 3 and is fitted between the side plate portions 3a and 3b so as not to rotate. The nut 12 can be held by nut fixing protrusions 14a to 15b formed in the outer end folded plate portion 3c and the side plate portions 3a and 3b of the horizontal member 3.

  Further, according to a fourth aspect of the present invention, the separator connecting portion 5 can be provided with a separator detent means 6. The separator detent means 6 is a tap that extends from the mounting plate 16 fixed to one outer surface of the both side plates 3a, 3b of the horizontal member 3 to the outside of the screw hole 12a of the nut 12. The tapping operation piece 17 includes an opening 18 through which the separator 21 passes, and an outer end folded plate portion 3c of the horizontal member 3 extending from the periphery of the opening 18. Adjacent engagement pieces 19a and 19b are provided, and the hitting operation piece 17 is tapped toward the outer end folded plate portion 3c of the horizontal member 3, so that the engagement pieces 19a and 19b are moved outside the horizontal member 3. It can be configured to be deformed in a direction approaching the separator 21 by the end folded plate portion 3 c and to bite into the screw shaft portion 21 a of the separator 21.

  According to the configuration of the first aspect of the present invention, the engagement recess at the lower end of the vertical member is fitted to the lower side of the vertical plate portion of the angle member upward from below, and the vertical member is perpendicular to the angle member. With the horizontal member in contact with the outside of the plate, and then lying down so that the horizontal member is overlaid on the horizontal plate of the angle member, the horizontal member is hit against the horizontal plate portion of the angle member with a hammer or the like. By tapping, the engaging claw portion at the outer end of the horizontal member is engaged with the outer side of the horizontal plate portion of the angle member. By simply hitting with a hammer or the like in this manner, the vertical member and the horizontal member are held so as to hold the angle member, and the separator connecting portion of the horizontal member is fixed on the horizontal plate portion of the angle member. After that, it is only necessary to connect the separator to the separator connecting portion. That is, by using the metal fitting of the present invention, the separator connecting portion can be fixed on the horizontal plate portion of the angle member without using any welding, so that the cost for mounting the separator to the angle member can be greatly reduced. In addition, the separator can be easily attached in an extremely short time.

  In addition, according to the structure of Claim 2, the vertical member and horizontal member of this invention metal fitting can be comprised by the bending process of a board | plate material, and this invention metal fitting can be comprised lightweight and cheaply. Moreover, since the end of the connected separator is disposed inside the horizontal member of the metal fitting of the present invention, the separator can be disposed close to the horizontal plate of the angle member, and the end of the separator The part can be protected by the horizontal member of the metal fitting of the present invention.

  Furthermore, according to the structure of Claim 3, a separator connection part which consists of a through screw hole of a required length is comprised by the attached nut, comprising this invention metal fitting by the bending process of a board | plate material. In addition, since the nut can be attached without using welding, the metal fitting of the present invention itself can be implemented at low cost.

  Moreover, according to the structure of Claim 4, the separator screwed and connected to the screw hole of the separator connecting portion can be prevented from rotating with a simple operation, and the axial position of the attached separator fluctuates unexpectedly. In addition, the position accuracy of the concrete mold supported by the separator can be improved, and the looseness of the separator after being attached to the metal fitting of the present invention can be stopped. It is also possible to easily perform screw connection work such as a concrete formwork connecting bracket to the part.

FIG. 1 is a longitudinal side view showing a use state of the metal fitting of the present invention. FIG. 2 is a plan view of the metal fitting of the present invention. FIG. 3A is a side view showing a state where the metal fitting of the present invention is attached to an angle member, and FIG. 3B is a front view of the metal fitting of the present invention. FIG. 4 is a cross-sectional plan view of the metal fitting of the present invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. A mounting bracket 1 according to the present invention includes a vertical member 2 and a horizontal member 3, a support shaft 4 that connects both members 2 and 3, a separator connecting portion 5, and It consists of separator detent means 6.

  The vertical member 2 has a cross-sectional groove shape in which the side facing the outside of the vertical plate portion 8 of the angle member 7 is open, and the vertical plate portion 8 of the angle member 7 is formed at the lower ends of both side plate portions 2a and 2b. A fitting recess 9 is formed in the lower side 8a to be fitted upward from below. The horizontal member 3 is formed by bending a belt-like plate into a U shape in a plan view, and the free end portions of the side plate portions 3a and 3b sandwich the upper end portion of the vertical member 2 from the left and right sides. The upper end portion of 2 and the free end portion of the horizontal member 3 are pivotally connected so as to be freely opened and closed by a support shaft 4 parallel to the length direction of the angle member 7.

  Below the outer end portion of the horizontal member 3 is provided a downward projecting outer end portion 3d having a U-shaped cross section formed by both side plate portions 3a, 3b and the outer end folded plate portion 3c of the horizontal member 3, Engaging claw portions 11 that engage with the outer side 10a of the horizontal plate portion 10 of the angle member 7 are formed on both side plate portions 3a and 3b of the protruding outer end portion 3d.

  The separator connecting portion 5 is configured by a screw hole 12a of a nut 12 that is adjacent to the inside of the outer end folded plate portion 3c of the horizontal member 3 and is fitted between the side plate portions 3a and 3b so as not to rotate. Of course, a through hole 13 having a diameter slightly larger than the screw hole 12a of the nut 12 is provided concentrically in the outer end folded plate portion 3c of the horizontal member 3. The nut 12 is sandwiched between the side plates 3a and 3b of the horizontal member 3 and is prevented from rotating, but in order to fix its position, the nut 12 protrudes inward from the outer end folded plate portion 3c of the horizontal member 3. A pair of left and right nut fixing protrusions 14a and 14b that sandwich the upper and lower ends of the nut 12 and a pair of left and right nuts that protrude inwardly from the side plate portions 3a and 3b and sandwich the nut 12 between the outer end folded plate portion 3c. Portions 15a and 15b are formed.

  The separator detent means 6 includes a tapping operation piece 17 that extends from the mounting plate portion 16 that is locked and fixed to the outer side surface of one side plate portion 3 a of the horizontal member 3 to the outside of the screw hole 12 a of the nut 12. The hitting operation piece 17 has an opening 18 through which the separator passes, and the length of the hitting operation piece 17 when viewed from both sides of the opening 18, that is, from the center side of the opening 18. A pair of engagement pieces 19a extending from both sides in the direction toward the center of the opening 18 and toward the outer end folded plate portion 3c of the horizontal member 3, and the tips thereof being adjacent to the outer end folded plate portion 3c, respectively. 19b is provided. In addition, the attachment plate portion 16 is provided with a tongue piece 16a continuously from the free end portion and the left and right sides to the side plate portion 3a of the horizontal member 3, and a hole 20 into which the tongue piece 16a is fitted has a horizontal member. The side plate portion 3a of the horizontal member 3 is fixed to the side plate portion 3a of the horizontal member 3 by bending the tongue piece 16a fitted in each of the holes 20 inside the side plate portion 3a. . Further, on both the left and right sides of the tapping operation piece 17, low side plate portions 17 a and 17 b are bent outward to increase the strength, and the tapping operation piece 17 is attached to the outside of the horizontal member 3. It is prevented from being bent on both sides of the opening 18 when it is struck toward the end folded plate 3c.

  Hereinafter, the method of use will be described. As shown in FIG. 3A, in a state where the vertical member 2 and the horizontal member 3 are opened and deployed around the support shaft 4, the fitting recess 9 at the lower end of the vertical member 2 is The vertical member 2 is fitted to the lower side 8 a of the vertical plate portion 8 of the angle member 7 upward from below, and the vertical member 2 is brought into contact with the outer surface of the vertical plate portion 8 of the angle member 7. Next, the horizontal member 3 is closed around the support shaft 4 and laid down on the horizontal plate portion 10 of the angle member 7. In this state, the tip of the horizontal member 3 is moved to the horizontal plate portion 10 of the angle member 7. The engaging claw portion 11 on the lower end of the horizontal member 3 is engaged with the outer side 10 a of the horizontal plate portion 10 of the angle member 7 by hitting it with a hammer or the like. In other words, since the angle member 7 is a standard product, the engagement claw portion 11 is formed according to the width of the horizontal plate portion 10 and the cross-sectional shape of the driven roller of the outer side 10a as described above. The claw portion 11 can be engaged with and engaged with the outer side 10 a of the horizontal plate portion 10 of the angle member 7. Of course, at this time, the horizontal member 3 is in contact with the surface of the horizontal plate portion 10 of the angle member 7.

  Next, the screw shaft portion 21 a at one end of the separator 21 is screwed into the screw hole 12 a (nut 12) of the separator connecting portion 5 from the opening 18 of the tapping operation piece 17 of the separator detent means 6. At this time, the screw shaft portion 21a of the separator 21 protruding inward from the screw hole 12a enters between the side plate portions 3a and 3b of the horizontal member 3, so that the screw hole 12a (nut 12) and the support shaft 4 Within the range of the space between them, the screwing depth of the separator 21 into the screw hole 12a, that is, the axial mounting position of the separator 21 with respect to the mounting bracket 1 can be adjusted. When the position of the separator 21 is confirmed, the free end portion of the tapping operation piece 17 farthest from the outer end folding plate portion 3c of the horizontal member 3 is tapped with a hammer or the like toward the outer end folding plate portion 3c. The entire tapping operation piece 17 is tilted toward the outer end folded plate portion 3 c of the horizontal member 3. As a result, the front ends of the pair of engaging pieces 19a and 19b adjacent to the outer end folded plate portion 3c of the horizontal member 3 on both sides of the screw shaft portion 21a of the separator 21 are on the surface of the outer end folded plate portion 3c. And the tip of the pair of engaging pieces 19a and 19b bites into the groove of the screw shaft portion 21a of the separator 21, and the separator 21 is moved to the screw shaft portion 21a of the separator 21. Stop the rotation. In other words, the tapping operation piece 17 is configured so that the pair of engagement pieces 19a and 19b act in this way. As shown in FIG. 3B, a plurality of claw portions in the circumferential direction that bite into the grooves of the screw shaft portion 21a of the separator 21 are formed at the tips of the pair of engagement pieces 19a and 19b.

  As described above, it extends on the horizontal plate portion 10 of the angle member 7 via the mounting bracket 1 in a direction perpendicular to the length direction of the angle member 7 and away from the vertical plate portion 8 of the angle member 7. In the separator 21 attached in such a manner, a concrete mold is attached to the other end screw shaft portion by a conventionally known method. Thus, when the concrete is placed in the concrete placement space including the angle member 7 and the mounting bracket 1 inside the concrete formwork, the tensile force acting on the separator 21 is generated from the horizontal member 3 of the mounting bracket 1. It is received by the vertical plate portion 8 of the angle member 7 via the support shaft 4 and the vertical member 2, and the horizontal member 3 is lifted from the horizontal plate portion 10 of the angle member 7. The rear end portion of the horizontal member 3 is connected to the vertical member 2 in which the fitting recess 9 is fitted to the side 8a by the support shaft 4, and the front end portion of the horizontal member 3 is connected to the engaging claw portion 11. By being engaged with the outer side 10a of the horizontal plate portion 10 of the angle member 7, the separator 21 is surely prevented and the separator 21 does not come off from the angle member 7 or move.

  At the construction site of a reinforced concrete building, it can be used as a mounting bracket for attaching a separator for positioning a concrete form to an angle material embedded in a concrete placement space.

DESCRIPTION OF SYMBOLS 1 Mounting bracket 2 Vertical member 2a, 2b Both-sides board part 3 Horizontal member 3a, 3b Both-sides board part 3c Outer end folding-up board part 3d Protruding outer end part 4 Support shaft 5 Separator connection part 6 Separator detent means 7 Angle material 8 Vertical board Part 8a Lower side of vertical plate part 9 Fitting recess 10 Horizontal plate part 10a Outer side of horizontal plate part 11 Engaging claw part 12 Nut 12a Screw hole 13 Through hole 14a, 14b A pair of upper and lower nut fixing protrusions 15a, 15b A pair of left and right nut fixing protrusions 16 Attaching plate portion 16a Tongue piece 17 Tapping operation piece 17a, 17b Side plate portion 18 Opening portion 19a, 19b A pair of engagement pieces 20 Hole 21 Separator 21a Separator screw shaft portion

Claims (4)

  The vertical member that contacts the outside of the vertical plate portion of the angle member and the horizontal member that contacts the upper side of the horizontal plate portion of the angle member are parallel to the length direction of the angle member outside the corner portion of the angle member. An engaging recess into which the lower side of the vertical plate portion of the angle member is fitted is provided at the lower end of the vertical member, and the horizontal member is provided at the outer end of the horizontal member. An engaging claw portion is provided that engages the outer side of the horizontal plate portion by hitting it toward the horizontal plate portion of the angle member, and the horizontal member has a direction parallel to the length direction of the horizontal member. A separator mounting bracket to an angle material, provided with a separator connecting portion for connecting the separator with   The vertical member has a cross-sectional groove shape that is open on the angle member side, and the engagement recesses are formed on both side plate portions, and the horizontal member is U-shaped in plan view, and the free side plate of the both side plate portions. The vertical member is pivotally supported between the end portions, and the engaging claws are formed on both side plate portions of the outwardly protruding outer end portion having a U-shaped cross section formed by the both side plate portions and the outer end folded plate portion. The separator connecting portion is provided on the outer end folded plate portion of a horizontal member, and the connected separator is configured to enter between the both side plate portions of the horizontal member. The separator mounting bracket to the angle material according to 1.   The separator connecting portion is formed by a screw hole of a nut that is adjacent to the inside of the outer end folded plate portion of the horizontal member and is fitted between the side plate portions so as not to rotate, and the nut is an outer end of the horizontal member. The separator mounting bracket to the angle member according to claim 2, which is held by nut fixing protrusions formed on the folded plate portion and the both side plate portions.   Separator detent means is provided along the separator connecting portion, and the separator detent means is formed from the mounting plate portion fixed to one outer side surface of the both side plate portions of the horizontal member from the screw hole of the nut. A tapping operation piece extending outward is provided. The tapping operation piece includes an opening through which the separator passes, and a member extending from the periphery of the opening and adjacent to the outer end folding plate portion of the horizontal member. A joining piece is provided, and when the tapping operation piece is tapped toward the outer end folded plate portion of the horizontal member, the engaging piece is deformed in a direction approaching the separator by the outer end folded plate portion of the horizontal member. The separator mounting bracket to the angle member according to claim 3, which is configured to bite into a screw shaft portion of the separator.

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