JP6469502B2 - Fixture - Google Patents

Description

  The present invention relates to a fixture for fixing a brace to a suspension bolt.

  Conventionally, as a ceiling structure of a building, a field edge receiver is attached to the lower end of a suspension bolt provided in the ceiling slab at predetermined intervals and extending in the vertical direction, and a field edge is attached to the field edge receiver and arranged in a grid pattern. One that is constructed by sticking a board to the edge is known. In such a configuration, in order to improve the seismic strength of the ceiling, a structure in which two adjacent suspension bolts are connected by braces has been proposed (Patent Document 1). That is, a fixture connected to the upper end of the brace is attached near the upper end of one suspension bolt, and the lower end of the brace is fixed to the other suspension bolt.

JP 2008-111292 A

  In the conventional ceiling construction described above, it is difficult to attach the fixing tool to the suspension bolt because the mounting position is about 3 m from the floor, for example, and the operator can use a stepladder or special repair. Various devices, such as preparing tools, were necessary.

  An object of the present invention is to provide a fixture that can be easily attached to a suspension bolt while an operator is standing on the floor.

  A fixing device according to the present invention is a fixed member in which a movable member fixed to a brace and a semi-cylindrical concave portion that is rotatably attached to the movable member via a shaft member and engages with an outer peripheral surface of a rod-shaped member are formed. A member, a cover member that is rotatably attached to the fixing member via a shaft member, and has a pressing member that holds the rod-shaped member fitted in the semicylindrical recess together with the fixing member; And a leaf spring member fixed to the cover member. By pulling the string connected to the protrusion, the cover member is relatively positioned relative to the fixing member. The cover member is fixed to the fixing member by rotating, and in a state where the holding member and the fixing member grip the rod-shaped member, the leaf spring member is engaged with the recess formed in the fixing member. Yes.

  The fixing member includes, for example, a plate-like main body that is rotatably supported by the shaft member, and a locking plate that is provided on the opposite side of the main body with respect to the semicylindrical recess and extends in a direction perpendicular to the main body. The locking plate is formed with a first notch into which the cover member is fitted. In this configuration, the cover member may be formed with a second notch that fits into the first notch. Furthermore, a first ridge extending along the second notch and a second ridge extending in a direction perpendicular to the first ridge may be formed in the holding portion.

  Preferably, the leaf spring member has a fixed portion fixed to the shaft member, and a leg portion that extends from the fixed portion in the radial direction of the shaft member and can be locked to the recessed portion. Preferably, the protrusion has a hook shape that extends in a direction perpendicular to the cover member and is engaged with the string body.

  By using the fixture according to the present invention, the worker can easily perform the mounting work to the suspension bolt while standing on the floor.

It is a figure which shows the structure of the ceiling using the fixing tool which is one Embodiment of this invention. It is a perspective view which decomposes | disassembles and shows a fixing tool. It is a perspective view which shows the state which engages the fixing tool attached to the front-end | tip of a brace with a suspension bolt. It is a perspective view which shows the state by which the fixing tool was fixed to the suspension bolt. It is a figure which shows the fixing member, cover member, and leaf | plate spring member in the state of FIG. It is a figure which shows the state which the cover member began to rotate relatively with respect to a fixing member. It is a figure which shows the fixing member, cover member, and leaf | plate spring member in the state of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a ceiling structure, and a ceiling slab 11 is provided with suspension bolts (bar-shaped members) 12 and 12 'at predetermined intervals. The suspension bolt 12 extends vertically downward, and a field edge receiver 13 is fixed to a lower end portion of the suspension bolt 12 via a hanger 14. A field edge 15 is provided below the field edge receiver 13, and a ceiling gypsum board 16 is attached to the lower surface of the field edge 15.

  In order to improve the seismic strength of the ceiling, the two adjacent suspension bolts 12 and 12 ′ are connected by a horizontal reinforcing material 17 and a brace (oblique reinforcing material) 18. The horizontal reinforcing member 17 is connected to the hanger 14, and the horizontal reinforcing member 17 and the field edge receiver 13 are connected by a reinforcing metal fitting 19. The upper end portion of the brace 18 is attached to the upper end portion of the suspension bolt 12 via the fixture 20, and the lower end portion of the brace 18 is the horizontal reinforcing member 17 near the lower end portion of the suspension bolt 12 ′ located next to the suspension bolt 12. Fixed to.

  As shown in FIG. 2, the fixture 20 is basically composed of five parts. That is, the fixing tool 20 is configured by superimposing the fixing member 40, the cover member 50, and the leaf spring member 60 on the movable member 30, and connecting them with the caulking pin (shaft member) 70. The movable member 30, the fixed member 40, and the cover member 50 are each formed by bending a relatively thick metal plate. The plate spring member 60 is formed by bending a metal plate thinner than the movable member 30, the fixed member 40, and the cover member 50.

  The movable member 30 includes a main body 31 having substantially the same width as the brace 18 (vertical direction in the drawing), and a side surface portion 32 formed along the longitudinal direction of the main body 31 and bent in a direction perpendicular to the main body 31. Have. The main body 31 and the side surface portion 32 are formed with a plurality of holes 33 through which bolts for fixing the movable member 30 to the brace 18 pass. The main body 31 is formed with a rotation center hole 34 through which the caulking pin 70 is inserted.

  The fixing member 40 includes a plate-shaped main body 41, a bending portion 42 connected to the main body 41, and a locking plate 43 connected to the opposite side of the bending portion 42 from the main body 41. A rotation center hole 44 through which the caulking pin 70 is inserted is formed in the main body 41. That is, the main body 41 is rotatably attached to the movable member 30 via the caulking pin 70, and the edge portion 41 a on the opposite side of the curved portion 42 in the main body 41 has a semicircular shape centering on the rotation center hole 44. . The edge portion 41a is formed with first and second recess portions 45 and 46 that can engage the leaf spring member 60. The inner peripheral wall surface of the curved portion 42 is a semi-cylindrical concave portion 47 with which the outer peripheral surface of the suspension bolt 12 is engaged, and a female screw 47a to which the male screw of the suspension bolt 12 can be engaged is formed. The locking plate 43 extends in a direction perpendicular to the main body 41, and the locking plate 43 is formed with a first notch 48 into which the cover member 50 is fitted.

  A rotation center hole 51 through which the caulking pin 70 is inserted is formed in the cover member 50, and the cover member 50 is rotatably attached to the fixing member 40 via the caulking pin 70. The cover member 50 includes a presser portion 53 in which a second notch 52 that fits into a first notch 48 formed in the fixing member 40 is formed. As will be described later, the holding portion 53 holds the suspension bolt 12 fitted in the semi-cylindrical concave portion 47 together with the fixing member 40 in a state where the second cutout 52 is fitted in the first cutout 48. . Although the presser portion 53 is a flat plate as a whole, first and second raised portions 54 and 55 that are partially raised and have an L-shape are formed. The first raised portion 54 extends along the second notch 52, and the second raised portion 55 extends in a direction perpendicular to the first raised portion 54.

  In the cover member 50, a protrusion 56 is formed on the side of the caulking pin 70 opposite to the pressing portion 53. The protrusion 56 extends in a direction perpendicular to the cover member 50 and has a hook shape for engaging the string body. In the cover member 50, a third notch 57 extending toward the rotation center hole 51 is formed in the vicinity of the tip of the second raised portion 55. The leaf spring member 60 is always engaged with the third notch 57.

  The leaf spring member 60 has a fixing portion 62 in which a rotation center hole 61 for inserting the caulking pin 70 is formed, and a leg portion 63 extending from the fixing portion 62 in the radial direction of the caulking pin 70. The caulking pin 70 is inserted into each of the rotation center holes 34, 44, 51, 61 from the movable member 30 side, and an end portion 71 (see FIGS. 3 and 4) protruding from the fixed portion 62 is crimped, whereby the leaf spring member 60 is fixed to the cover member 50. The leg portion 63 is bent toward the cover member 50 with respect to the fixed portion 62 and is always engaged with the notch 57. As a result, the leaf spring member 60 always rotates integrally with the cover member 50. The leg 63 can be locked to the first dent 45 or the second dent 46 according to the relative rotational position of the cover member 50 with respect to the fixing member 40. Further, the tip 63a of the leg portion 63 is bent upward, that is, toward the fixed portion 62 side.

Next, the operation of this embodiment will be described with reference to FIGS.
3 shows a state in which the fixing tool 20 attached to the tip of the brace 18 is engaged with the suspension bolt 12, and FIG. 4 shows a state in which the fixing tool 20 is fixed to the suspension bolt 12. 5 (a) and 5 (b) show the fixing member 40, the cover member 50, and the leaf spring member 60 in the state of FIG. 3, and FIG. 5 (b) is an arrow along the line BB in FIG. 5 (a). FIG. 6A and 6B show a state in which the cover member 50 starts to rotate relative to the fixing member 40, and FIG. 6B is a cross-sectional view taken along line BB in FIG. 6A. FIG. 7A and 7B show the fixing member 40, the cover member 50, and the leaf spring member 60 in the state of FIG. 4, and FIG. 7B is an arrow along the line BB in FIG. 7A. FIG.

  As shown in FIGS. 3 and 5, the fixing member 40 and the cover member 50 are integrally coupled by the leg 63 of the leaf spring member 60 being engaged with the first recess 45 of the fixing member 40. The movable member 30 and the brace 18 are rotatable relative to each other. Further, in a state where the leg 63 is locked to the first recess 45, the semicylindrical recess 47 of the fixing member 40 is completely opened, and the presser 53 does not interfere with the semicylindrical recess 47. The string body S is attached to the protrusion 56 in advance, and the operator holds the brace 18 at a predetermined inclination angle while holding the fixing member 40 and the cover member 50 to the brace 18 via the string body S. It can be rotated. That is, the operator engages the semi-cylindrical concave portion 47 with the suspension bolt 12 in accordance with the axial direction of the suspension bolt 12, and then pulls the string body S toward the front, whereby, as shown in FIG. The leg portions 63 of the 60 are disengaged from the first recess 45 and the cover member 50 starts to rotate relative to the fixing member 40.

  When the operator further pulls the string body S from the state of FIG. 6, the cover member 50 further rotates with respect to the fixing member 40, and when the presser 53 closes the semicylindrical recess 47, the semicylindrical recess 47. The suspension bolt 12 fitted in is held by the fixing member 40 and the pressing portion 53 of the cover member 50. In this state, the second notch 52 formed in the cover member 50 fits into the first notch 48 formed in the locking plate 43 of the fixing member 40, and the cover member 50 and the locking plate 43 are It is firmly fixed. Further, the leg 63 of the leaf spring member 60 is engaged with the second recess 46 provided in the fixing member 40, and the cover member 50 is fixed unless the leg 63 is released from the second recess 46. There is no relative rotation with respect to the member 40.

  Thereafter, the string S is removed from the projection 56, and the lower end portion (not shown) of the brace 18 is fixed at a predetermined position, whereby the installation work of the brace 18 to the suspension bolt is completed.

  As described above, in the present embodiment, by pulling the string body S connected to the protruding portion 56, the cover member 50 rotates relative to the fixing member 40, and the holding portion 53 and the fixing member 40 are suspended. The bolt 12 is held. In this state, the leg 63 of the leaf spring member 60 is locked to the second recess 46 formed in the fixing member 40, so that the cover member 50 is firmly fixed to the fixing member 40 and can be easily removed from the fixing member 40. I ca n’t go wrong.

  As described above, the attaching work of the fixing tool 20 to the suspension bolt 12 is performed by connecting the string body S to the projecting portion 56, and it is not necessary for the worker to work on a stepladder as in the prior art. It can be done easily while standing.

  Further, the cover member 50 is formed with a second notch 52, but the holding portion 53 has a first raised portion 54 extending along the second notch 52, and is orthogonal to the first raised portion 54. Since the second raised portion 55 extending in the direction in which it is formed is formed, the strength performance reduced by the second notch 52 is compensated.

12 Suspension bolt (bar-shaped member)
DESCRIPTION OF SYMBOLS 18 Brace 20 Fixing tool 30 Movable member 40 Fixed member 46 Recessed part 47 Semi-cylindrical recessed part 50 Cover member 53 Pressing part 56 Projection part 60 Leaf spring member S String

Claims (6)

A fixture for fixing the brace to the rod-shaped member,
A movable member fixed to the brace;
A fixed member that is pivotally attached to the movable member via a shaft member, and is formed with a semi-cylindrical recess that engages with an outer peripheral surface of the rod-shaped member;
A cover member having a holding part that is rotatably attached to the fixing member via the shaft member and holds the rod-like member fitted in the semi-cylindrical recess together with the fixing member;
In the cover member, a protrusion formed on the opposite side of the pressing portion with respect to the shaft member,
A leaf spring member fixed to the cover member,
In the state where the cover member is rotated relative to the fixing member by pulling the string body connected to the protruding portion, the presser portion and the fixing member grip the rod-shaped member. A fixing tool, wherein the cover member is fixed to the fixing member when the spring member is engaged with a recess formed in the fixing member.   The fixing member is a plate-like main body that is rotatably supported by the shaft member, and a locking plate that is provided on the opposite side of the semi-cylindrical concave portion from the main body and extends in a direction perpendicular to the main body. The fixture according to claim 1, wherein a first notch into which the cover member is fitted is formed in the locking plate.   The fixture according to claim 2, wherein the cover member is formed with a second notch that fits into the first notch.   The presser part is formed with a first raised part extending along the second notch and a second raised part extending in a direction perpendicular to the first raised part. The fixture according to claim 3.   The said leaf | plate spring member has a fixing | fixed part fixed to the said shaft member, The leg part extended in the radial direction of the said shaft member from the said fixing | fixed part, and can be latched to the said recessed part, It is characterized by the above-mentioned. The fixture according to 1.   The fixture according to claim 1, wherein the protrusion has a hook shape that extends in a direction perpendicular to the cover member and is engaged with a string body.

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