JP5643595B2 - Anti-rest bracket - Google Patents

Description

  The present invention includes a suspension member of full or half screws suspended from the ceiling side to support a support material such as an air conditioner, a pipe or a base, and a slanted suspension from the ceiling side to prevent the support material from swinging. The present invention relates to a steady-state fitting for connecting a full-screw or half-screw steady-state member attached to the member.

  As a prior art document relating to the above-mentioned metal fitting for steadying, the one shown in Patent Document 1 can be cited.

  Patent document 1 is shown in FIG. Specifically, a pair of sandwiching bodies 1 that are sandwiched between the side surfaces of the suspension bolt P, a pair of connecting bolts 2 that pass through and fix both the left and right ends of the sandwiching body 1, and the connecting bolt 2 can be freely tilted up and down. And an oblique support body 3 coupled to a long bolt Q disposed obliquely with respect to the suspension bolt P. Then, for a plurality of types of suspension bolts P having different thread pitches, a pair of upper and lower engaging projections 1A that bite in common at two upper and lower valleys of the screw are provided on the inner surface of each sandwiched body 1 ( A locking projection is provided on the curved surface portion located at the boundary portion of the connecting piece).

JP-A-10-318241

Certainly, in Patent Document 1 described above, as described in the same specification, it may be extremely easy to attach to an existing suspension bolt by retrofitting (the effect of the invention [effect of the invention]). ), And has the following problems.
(1) The number of parts is very large, and it is necessary to assemble individual parts one by one (refer to the drawing [FIG. 3]), and assembling them at the construction site is extremely complicated.
(2) The long bolt Q disposed obliquely contacts (interferes) with the refracted portion of the oblique support 3 when its lower end is inserted deeply into the fastening hole 3B of the oblique support 3 (see FIG. 2). ], The mounting position of the steady rest metal fitting is limited.
(3) A fastening hole 3B for inserting the long bolt Q is provided, and the diagonal support 3 and the long bolt Q are connected by the fixing nut 4 (see the second sentence of the same specification [0014]). The lower nut 4 cannot be attached (it cannot be screwed in) until it is inserted through the fastening hole 3B, which is a very complicated operation.

  On the other hand, the inventor of the present application completes the present invention by conducting earnest tests and research in order to provide a steady rest fitting that can be retrofitted and has excellent workability and stability at the construction site. It came to.

In order to achieve the above object, the first invention of the present invention is a suspension member of a full screw or a half screw suspended from the ceiling side for supporting the support material, and a ceiling side for stabilizing the support material. An anti-rest fitting for connecting a full-screw or half-screw anti-vibration member attached to the suspension member at an inclination from the both sides. And a fixing portion that is provided so as to be sandwiched between a pair of fixing pieces on the left and right sides of the fixing portion. Fasten with bolt and nut fasteners through the fastening holes formed on the left and right of the piece, and either the left or right fastening holes are formed by the perforations and notch grooves provided in the pair of fixed pieces, and attached The part is sandwiched between a pair of fixed pieces A perforation for forming a fastening hole in the main body portion of the mounting piece, and an insertion portion for inserting the bracing member into the bent portion that bends from the main body of the mounting piece sandwiched between the pair of fixed pieces. It is characterized by that.
A second invention is a steady rest fitting, wherein a fixing portion and an attachment portion are assembled in advance before construction on a suspension member and a rest member.
According to a third aspect of the present invention, there is provided the steady rest bracket according to the present invention, wherein the fastener provided in the fastening hole of the fixing portion includes nut drop prevention means for preventing the nut from falling off.
According to a fourth aspect of the present invention, the fixed portion includes locking means for locking the pair of fixed pieces with the fastening holes formed on the left and right sides of the pair of fixed pieces. It is a metal fitting.
According to a fifth aspect of the present invention, there is provided the steady rest bracket according to the present invention, wherein the mounting portion is formed by a notch groove in the insertion portion provided in the mounting piece.
According to a sixth aspect of the present invention, the attachment portion is interposed between the nut that is screwed to the anti-rotation member and the bent portion provided with the insertion portion, and prevents the anti-detachment of the anti-vibration member so as to block the opening side of the notch groove. The anti-sway bracket is provided with a washer for prevention.
According to a seventh aspect of the present invention, there is provided the anti-swaying bracket characterized in that the fixing portion provided with the fastener in the fastening hole includes an accompanying rotation preventing means for preventing the accompanying rotation of the bolt against the tightening by the nut. It is.

According to the present invention described above, the following effects are obtained.
(1) In the present invention, the fixing portion is fastened with a bolt and nut fastener via fastening holes formed on the left and right of the pair of fixing pieces, and either one or both of the right and left fastening holes are fixed to the pair. Since it forms by the perforation and notch groove which were provided in the piece, a fixed piece can be attached after fastening a fastener previously. That is, first, the fixing piece provided with the notch is suspended in parallel with the suspension member, and the other fixing piece is brought into contact with the suspension member and fastened with a fastener. Then, the pair of fixing pieces is provided by rotating the fixing piece provided with the notch groove around one fastener (bolt) and inserting the notch groove into the other fastener (bolt) and then tightening the fastener. Can be fixed to the suspension member by post-installation, and the post-installation can be carried out easily and reliably.
(2) Since the fixing portion and the attaching portion are assembled in advance with the fasteners, the fixing piece can be easily and reliably fixed to the suspension member without performing assembling work at the work site.
(3) The fastener provided in the fastening hole of the fixing portion is provided with a nut drop prevention means for preventing the nut from dropping, and the fixing portion and the mounting portion are assembled loosely with the fastener. However, the nut does not fall off, the loosely assembled state of the fixed portion and the mounting portion can be maintained, and the construction can be performed easily and reliably.
(4) The fixing portion includes a locking means for locking the pair of fixing pieces with the fastening holes formed on the left and right sides of the pair of fixing pieces, thereby fixing the pair of fixing pieces to the suspension member. The workability of the work is improved, and the fixing of the pair of fixed pieces to the suspension member is more reliable.
(5) The mounting portion is attached to the mounting portion by retrofitting by forming a notch groove as an insertion portion for inserting the anti-vibration member into the bent portion that is bent from the main body of the mounting piece. Can do.
(6) Since the attachment portion includes a drop-off preventing washer that closes the opening side of the insertion portion (notch groove), it is possible to easily and reliably prevent the anti-drop member from dropping from the attachment portion.
(7) The fixing part provided with a fastener in the fastening hole is provided with a splicing prevention means for preventing the swiveling of the bolt against the tightening by the nut, thereby preventing the swiveling of the bolt and tightening by the nut. Can be done reliably.
(8) As described in the above (1) to (7), the present invention can be used effectively as an anti-seismic auxiliary material because the suspension member and the anti-vibration member can be simply and reliably connected.

The exploded view which shows the whole structure of the metal fitting for steady rest. Explanatory drawing which shows the use condition of the metal fitting for steady rest. Explanatory drawing which shows the structure of the fixing | fixed part of the metal fitting for steadying. Explanatory drawing which shows the structure of the attaching part of the metal fitting for steady rest. Explanatory drawing which shows other embodiment of the washer for fall-off prevention of the metal fitting for steadying. Explanatory drawing (1) which shows other embodiment of the attachment piece of a steadying metal fitting. Explanatory drawing (2) which shows other embodiment of the attachment piece of a steadying metal fitting. Explanatory drawing which shows the prior art disclosed by patent document 1. FIG.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an exploded view showing the overall structure of a steady rest fitting 10 according to the present invention.
As shown in FIG. 1, the steady rest metal fitting 10 includes a fixing portion 20 composed of a pair of fixing pieces 30 and 35 for fixing a suspension member (not shown) from both sides, and a pair on the left and right sides of the fixing portion 20. And an attachment portion 40 formed of an L-shaped attachment piece 50 for attaching a bracing member (not shown).

The fixing portion 20 is fastened by a fastener 70 of a bolt 71 and a nut 72 through fastening holes formed on the left and right of the pair of fixing pieces 30 and 35. In this case, one fastening hole is formed by the perforations 31 and 36 provided in the pair of fixing pieces 30 and 35, and the other fastening hole is formed by the perforation 32 and the notch groove 37 provided in the pair of fixing pieces 30 and 35. Form. Although the notch groove 37 is open on the upper side, it may be used so as to open on the lower side.
Further, the fastener 70 may include a nut drop prevention means for preventing the nut 72 from dropping off. Examples of nut drop prevention means include 1) crushing the thread of the bolt 71, 2) interposing a stopper (application of resin, etc.) on the threaded portion of the bolt 71, and 3) attaching a double nut or lock nut. Can be taken.

  Further, the attachment portion 40 includes a perforation 51 for forming a fastening hole in the main body portion of the attachment pieces 50 and 50 sandwiched between the pair of fixing pieces 30 and 35, and a bending that is bent from the main body of the attachment pieces 50 and 50. The part is provided with a notch groove 52 as an insertion portion for inserting the bracing member. Reference numeral 60 denotes a drop-off preventing washer that closes the opening side of the notch groove 52 in order to prevent the stopper member from dropping out of the notch groove 52. These are nuts that sandwich the bent portion of the attachment piece 50 and the drop-off prevention washer 60 and attach the anti-vibration member to the attachment piece 50.

FIG. 2 is an explanatory view showing a use state of the steady rest metal fitting 10.
As shown in FIG. 2, the steady rest metal fitting 10 is fixed to a suspension member 80 composed of all screws suspended from the ceiling side in order to support a support material (not shown) such as an air conditioner, a pipe or a gantry. Are attached to the mounting portions 40, 40, and the suspension member 80 and the anti-rest members 85, 85 are connected to each other. To do. Here, the anti-vibration member 85 attached to the attachment part 40 does not contact (interfere) with other members, for example, the fixing part 20 or the fastener 70 (particularly the bolt 71), regardless of the position. Therefore, the position adjustment is easy and the anti-vibration member can be stored with a margin.

FIG. 3 is an explanatory view showing the structure of the fixing portion 20 of the steady rest metal fitting 10.
First, as shown in FIG. 3A, the fixing portion 20 and the attachment portion 40 are first loosely assembled with the fastener 70 and then the fixing piece 35 provided with the notch groove 37 is hung in parallel with the suspension member 80. The other fixing piece 30 is brought into contact with the suspension member 80 (the fastener 70 is provided with a nut drop prevention means, so there is no need to worry about disassembly of the fixing portion 20 and the mounting portion 40 even in a loosely assembled state. Work without worry). Here, in Patent Document 1 described above, the sandwiched body (corresponding to the fixing portion 20 of the steady-state metal fitting 10) and the oblique support body (corresponding to the mounting portion 40) are assembled and brought into contact with the suspension member 80. Although the fixing portion 20 is in a state where the fixing portion 20 and the mounting portion 40 are assembled, the fixing piece 35 provided with the notch groove 37 hangs down in parallel with the suspension member 80. The other fixed piece 30 can be brought into contact with the suspension member 80. Further, since the contact portion 33 with the suspension member 80 is formed in a curved shape on the fixed piece 30, the contact and holding of the fixed piece 30 with respect to the suspension member 80 can be performed easily and reliably.

  Next, as shown in FIG. 3 (b), the fixing piece 35 provided with the notch groove 37 is then rotated (in the direction of the arrow) around one fastener 70 (specifically, the bolt 71), so that the notch groove is obtained. 37 is inserted into the other fastener 70 (more precisely, bolt 71), and the fasteners 70 are tightened. Accordingly, the pair of fixing pieces 30 and 35 can be fixed to the suspension member 80 by retrofitting, and the postfitting can be easily and reliably performed. Here, the fixing portion 20 improves the workability of the operation of fixing the pair of fixing pieces 30 and 35 to the suspension member 80, and more reliably fixes the pair of fixing pieces 30 and 35 to the suspension member 80. Therefore, a locking means for locking the fixing piece 35 provided with the notch groove 37 to the fixing piece 30 not provided with the notch groove is provided. That is, a locking protrusion 38 extending toward the fixed piece 30 facing the fixed piece 35 is formed, a corresponding locking groove 34 is formed in the fixed piece 30, and the fixed piece 35 is locked to the fixed piece 30. To be. As with the fixed piece 30, the fixed piece 35 is also formed with a curved contact portion 39 with the suspension member 80, so that the fixed piece 35 can be contacted and held with respect to the suspension member 80 easily and reliably. Yes. Further, when the fastener 70 is tightened with the nut 72, an accompanying rotation preventing projection 73 is provided to prevent the accompanying bolt 71 from rotating.

FIG. 4 is an explanatory view showing the structure of the mounting portion 40 of the steady rest fitting 10.
First, as shown in FIG. 4A, the mounting piece 50 is provided with a notch groove 52 in a bent portion that is bent from the main body, and a bracing member 85 composed of all screws is inserted into the notch groove 52. At this time, nuts 75 and 75 can be attached (screwed together) in advance to the bracing member 85 (in Patent Document 1, the lower nut is attached unless the bracing member 85 is inserted). Couldn't)
Next, as shown in FIG. 4B, a drop-off preventing washer 60 is provided between the nut 75 used for fixing the mounting piece 50 to the anti-vibration member 85 and the bent portion provided with the notch groove 52. Intervene.
Then, as shown in FIG. 4C, the attachment piece 50 (folded portion) and the drop-off preventing washer 60 are tightened with nuts 75, 75 that are screwed into the vibration-preventing member 85. Thereby, the attachment part 40 can attach the bracing member 85 to the attachment piece 50 by retrofitting. Further, the attachment portion 40 closes the opening side of the cutout groove 52 with the drop-off preventing washer 60, and the falling-off member 85 can be easily and reliably prevented from falling off the attachment portion 40.

FIG. 5 is an explanatory view showing another embodiment of the drop-off preventing washer.
4B and 4C, the drop-off preventing washer 60 is maintained in contact with the mounting piece 50 by standing portions 53 and 53 formed by bending the front end side of the notch groove 52 of the mounting piece 50 to be contacted. . On the other hand, the drop-off preventing washer 65 shown in FIG. 5 includes holding portions 66 and 66 whose both ends are bent into a substantially S shape. The drop-off preventing washer 65 is kept in contact with the mounting piece 50 by the elastic force of the holding portions 66 and 66.

FIG. 6 is explanatory drawing (1) which shows other embodiment of an attachment piece, (a) is a top view, (b) is a side view, (c) is illustrated with a front view. It is.
The attachment piece 55 shown in FIG. 6 is different from the attachment piece 50 shown in FIGS. 1 and 4 and the like in that a notch groove 56 for inserting the bracing member is formed on the side surface of the bent portion. is there.

FIG. 7 is explanatory drawing (2) which shows other embodiment of an attachment piece, (a) is a top view, (b) is a side view, (c) is illustrated with a front view. It is.
The mounting piece 57 shown in FIG. 7 is different from the mounting piece 50 shown in FIGS. 1 and 4 and the mounting piece 55 shown in FIG. 6 in that the notch groove 58 for inserting the bracing member is bent from the main body portion. It is in the point formed in the L shape over the center of the part.

  The steady rest bracket according to the invention of the present application is for suspension members (full screws and half screws) suspended from the ceiling side to support the support materials such as air conditioners, pipes and mounts, and the support materials It can be widely used to connect a bracing member (full screw / half screw) that is inclined from the ceiling side and attached to the suspension member. In particular, it can be widely used as an anti-rest fitting that can be retrofitted when a suspension member or anti-rest member is already provided.

DESCRIPTION OF SYMBOLS 10 Stabilizing metal fitting 20 Fixed part 30 Fixed piece 31 Perforation 32 Perforation 33 Contact part 34 Locking groove 35 Fixing piece 36 Perforation 37 Notch groove 38 Locking protrusion 39 Contact part 40 Mounting part 50 Mounting piece 51 Perforation 52 Notch groove 53 Standing portion 55 Mounting piece 56 Notch groove 57 Mounting piece 58 Notch groove 60 Fall-off prevention washer 65 Fall-off prevention washer 66 Holding part 70 Fastener 71 Bolt 72 Nut 73 Anti-rotation protrusion 75 Nut 80 Suspension member 85 Damping member

Claims (6)

Full-screw or half-screw suspension members suspended from the ceiling to support the support material, and full-screw or half-screw suspensions attached to the suspension member by tilting from the ceiling side to prevent the support material from swinging A steady rest fitting for connecting the members,
The anti-rest bracket is provided with a fixing part composed of a pair of fixing pieces for fixing the suspension member from both sides, and attached to the left and right sides of the fixing part so as to be sandwiched between the pair of fixing pieces. and a composed mounting portion of the mounting piece,
The fixing portion is fastened with a bolt and nut fastener through fastening holes formed on the left and right of the pair of fixing pieces, and the left and right or both fastening holes are provided on the pair of fixing pieces. Formed by notches,
The mounting portion includes a perforation for forming a fastening hole in the main body portion of the mounting piece sandwiched between the pair of fixed pieces, and a bracing member that is bent from the main body of the mounting piece sandwiched between the pair of fixed pieces. and a insertion portion for inserting a
Before installing the suspension member and the anti-vibration member, the fastening member is provided in advance in the fastening hole of the fixing portion, and then the other fixing piece is suspended in the state where the fixing piece provided with the notch is suspended in parallel with the suspension member. A pair of fixed pieces are suspended by rotating a fixed piece having a notch groove around one fastener and inserting the cut groove into the other fastener and tightening the fastener. A steady rest fitting that can be fixed to a member by retrofitting .   2. The steady rest fitting according to claim 1, wherein the fastener provided in the fastening hole of the fixed portion includes nut drop prevention means for preventing the nut from falling off. 3. The steady rest according to claim 1, wherein the fixing portion includes locking means for locking the pair of fixed pieces in a state where fastening holes are formed on the left and right of the pair of fixed pieces. Metal fittings. The steadying bracket according to any one of claims 1 to 3 , wherein the attachment portion is formed with a notch groove in the insertion portion provided in the attachment piece. The mounting portion includes a nut to be screwed with the anti-rotation member and a washer for preventing the omission of the anti-falling member so as to prevent the anti-detachment of the anti-vibration member by interposing the bent portion provided with the insertion portion. The steady rest metal fitting according to claim 4, wherein: Fixing unit having a fastener to the fastening holes, claim 1, characterized in that with a companion around prevention means for preventing the accompanied rotation of the bolt with respect to the tightening by the nut according to any one of the 5 Anti-rest bracket.

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