JP5134433B2 - Level band for supporting pipes - Google Patents

Description

  The present invention relates to a level pipe for supporting a pipe used for supporting a pipe such as a drain pipe at a predetermined height on a concrete slab in a building such as an apartment.

  The level band shall be fastened with a pair of upper and lower nuts that are screwed into the screw rods by receiving a pair of screw rods standing on the base plate in the screw rod receiving holes of the fastening pieces at both ends in the longitudinal direction that are superposed vertically. In this case, the curved band arranged opposite to the upper and lower sides can be fixed to the arbitrary height position of the screw 杆. At this time, the screw 杆 receiving hole of each fastening piece is a circular hole or an in-plane through hole which is a long hole in the longitudinal direction. It is said. The pipe support by this level band is used to support the pipe pipe at the site where the level band is generally shipped in the state that its members are set in advance at the factory and the curved bands are arranged vertically opposite each other. Therefore, for example, remove the upper and lower pair of upper nut and upper curved band from the screw rod, and adjust the lower nut and the lower curved band supported by it to the slope and height position of the pipe. Then, place the piping pipe on the lower curved band, and then reattach the upper curved band by receiving a pair of screw rods in the screw rod receiving holes of the fastening pieces of the upper curved band removed after that. A screw rod is generally about 10 to 20 cm high, so that each overlapped fastening piece is tightened by screwing the nut onto the pair of screw rods. Therefore, in order to avoid the complicated removal of the upper bending band and the complicated removal of the nut for remounting the pipe, the present inventor can easily support the piping pipe. One of the upper curved bands has been divided in the longitudinal direction, and a locking part that can be inserted and locked to each other at its free end has been proposed. In this case, by loosening the upper nut somewhat By rotating the divided upper bending band, the upper portion of the lower bending band is opened, the piping pipe is placed, and the locking portion is inserted and locked so as to close the bending band. Therefore, the piping work can be made more efficient than the conventional level band.

Japanese Patent Laid-Open No. 10-160048

  However, in this case, it is necessary to use two different types of curved bands for the upper and lower parts, and the upper curved band is divided in the longitudinal direction and inserted and locked to each free end. By disposing the freely different engaging portions, the manufacturing of the upper curved band becomes complicated and the production cost tends to increase as a whole.

  SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and the problem to be solved is a piping that can be easily supported without removing a nut or a curved band with a simple structure as much as possible. To provide a level band for supporting pipes.

  As a result of diligent examination along the above-mentioned problems, the curved band is rotated horizontally or vertically while tilting one side of the other side with the fastening piece on one side at both ends in the longitudinal direction supported by the screw rod. A state in which the fastening piece receiving the threaded rod is prevented from rotating by allowing the fastening piece to accept the screw and allowing the fastening piece to be interposed between the fastening piece and the nut. As a result, it is possible to reliably support the piping pipe without removing the nut or the curved band if the fastening pieces with the curved bands arranged opposite to each other are integrally fixed. If both ends in the short direction of the overlapped fastening piece are fitted by opposing bent pieces and a receiving groove is provided to allow the standing screw thread to be received from the side so as to be received from the side, Piping pipe arrangement If the fixing bracket is attached later so that the fixing bracket is inserted into the exposed portion of the screw 杆 between the loosened nut and the fastening piece, the above-mentioned integral fastening and fixing can be easily performed. In particular, the present invention has been made. That is, the invention according to claim 1 is raised on the base plate in the screw hole receiving holes of the fastening pieces at both ends in the longitudinal direction which are superposed vertically. A level band that accepts a pair of screw rods and fastens them with a pair of upper and lower nuts that are screwed onto the screw rods so that the curved band disposed vertically opposite can be fixed at an arbitrary height position of the screw rods. The screw rod receiving hole of at least one fastening piece at one end in the longitudinal direction of one or both of the opposingly arranged curved bands is opened outwardly in the short direction of the curved band, and the screw rod can be received by rotating the curved band. The out-of-plane communication groove and the length After fitting the fastening piece that is overlapped vertically at one end in the longitudinal direction by fitting it by dropping it between the fastening piece at one end in the direction and the upper nut and fastening the upper nut under the rotation prevention Receiving for screw screw receiving, comprising a post-fixing fixing bracket that is fixed to the outside, and that opens to the outside of the curved band in the longitudinal direction or the short side direction so that the screw rod can be received in the crossing direction. The groove and the curved band are provided with opposing bent pieces at both ends in the short-side direction and having a height width more than twice the thickness of the fastening piece and covering both ends in the short-side direction of the overlapped fastening pieces. A level band for supporting a piping pipe, characterized in that it is provided with a retrofitting fixing metal fitting characterized in that.

  In addition to the above, the invention described in claim 2 has a plurality of pairs of screw rods, and can be applied to another type of level band that fixes the curved band to each pair of screw rods. Thus, in place of the pair of screw rods standing on the base plate, the screw rods are made into a plurality of pairs standing on the base plate, and the curved band can be fixed to each pair of screw rods. The level band for supporting pipes according to claim 1 is used.

  In addition to the above, the invention described in claim 3 is characterized in that, in addition to the above, the rotating bending band is used as one of the upper bending bands arranged vertically opposite to each other so that the workability of supporting the pipe pipe can be further improved. 3. The curved band having a fastening piece at one end in the longitudinal direction with the screw rod receiving hole as an out-of-plane communication groove is used as the upper one curved band arranged oppositely. This is a level band for supporting piping pipes.

  In the invention according to claim 4, in addition to the above, the bending band can be rotated more stably and surely by the shaft support state of the fastening piece to the screw rod or the loosely-fitted shaft support state. As described above, the fastening piece at one end in the longitudinal direction with the screw rod receiving hole as the out-of-plane communication groove is disposed on one curved band arranged opposite to the fastening piece at the other end in the longitudinal direction. Further, each screw thread receiving hole of the fastening piece at both ends in the longitudinal direction of the other curved band disposed oppositely is a circular through hole or an in-plane through hole having a long hole in the longitudinal direction, respectively. Or it is set as the level band for piping pipe support of 3 described.

  In addition to the above, the invention described in claim 5 is characterized in that the receiving groove for receiving the screw rod in the retrofitting fixture is oriented in a direction parallel to or intersecting with the out-of-plane communication groove of the fastening piece. In order to make the receiving groove as simple as possible in the shape of a flat plane so that the screw 杆 can be reliably received with a single touch, this is used as the receiving groove for receiving the screw 付 in the above-mentioned fixing fixture. 2. A flat straight line extending in a direction parallel to or intersecting with the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction when the nut is fastened. , 3 or 4 is a level band for supporting pipes.

  In addition to the above, the invention described in claim 6 is configured so that the receiving groove for receiving the screw rod in the retrofitting metal fitting can have a shape other than the planar straight line as necessary. In this case, the receiving groove for receiving the screw rod in the retrofitting fixture is flattened in a direction parallel to or intersecting with the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction when the nut is fastened. 5. A level band for supporting pipes according to claim 1, 2, 3, or 4, wherein the level band is arranged in a letter shape, a square shape, or an S shape.

  The present invention uses each of these as the gist of the invention as means for solving the above problems.

  Since the present invention is configured as described above, the invention according to claim 1 is inclined in the horizontal or vertical direction with the bending band supported in a state where one fastening piece at both ends in the longitudinal direction is supported by the screw rod. The screw rivets can be received by the other fastening piece by rotating and the screw rivets are received by interposing the fixing bracket between the fastening piece and the nut using a fixing bracket. Securely support piping pipes without removing nuts or curved bands by fastening them together with the overlapping fastening pieces of curved bands facing each other in a state that prevents the fastening pieces from rotating. The fixing bracket is fitted with opposite bent pieces at both ends in the short direction of the overlapped fastening piece, and a receiving groove is formed that can be received in the cross direction so as to receive the standing screw rod from the side. As equipped After the piping pipe is placed, the fixing fitting is retrofitted so that the fixing fitting is inserted into a part of the exposed portion of the screw 杆 between the loosened nut and the fastening piece, and the above-mentioned integrated fastening is performed. By adopting such a configuration, it is possible to provide a level band for supporting a piping pipe that can support the piping pipe easily without removing a nut or a curved band with a simple structure as much as possible.

  In addition to the above, the invention described in claim 2 can be applied to other types of level bands having a plurality of pairs of screw rods and fixing the curved band to each pair of screw rods.

  In addition to the above, the invention according to claim 3 can further improve the workability of pipe pipe support by using the rotating curved band as the upper one curved band arranged opposite to each other.

  In the invention according to claim 4, in addition to the above, the bending band can be rotated more stably and surely by the shaft support state of the fastening piece to the screw rod or the loosely-fitted shaft support state. Can be.

  In addition to the above, the invention described in claim 5 is characterized in that the receiving groove for receiving the screw rod in the retrofitting fixture is oriented in a direction parallel to or intersecting with the out-of-plane communication groove of the fastening piece. As a planar straight line, the receiving groove can be made as simple as possible so that the screw rod can be reliably received with one touch.

  In the invention described in claim 6, in addition to the above, the receiving groove for receiving the screw rod in the post-fixing metal fitting can be of a form other than the above-described plane linear shape as necessary. .

  Hereinafter, the present invention will be described in more detail with reference to the example of the drawings. A is a level band for supporting the pipe B, and the level band A is formed by the fastening pieces 22 at both ends in the longitudinal direction, which are superposed vertically. A pair of screw rods 12 erected on the base plate 1 are received in the screw rod receiving holes 23 and fastened with a pair of upper and lower nuts 4 screwed on the screw rods 12, so that the curved bands 2 arranged vertically opposite to each other are The level band A can be fixed at an arbitrary height position of the screw rod 12, and at this time, the level band A bends the screw rod receiving hole 23 of the fastening piece 22 at least one end in the longitudinal direction in one or both of the curved bands 2 arranged opposite to each other. An out-of-plane communication groove 23b that opens outward in the lateral direction of the band and allows the screw rod 12 to be received by rotation of the curved band 2 and falls between the fastening piece 22 at one end in the longitudinal direction and the upper nut. A fixing bracket 3 is provided for attaching and fixing a fastening piece 22 superposed vertically at one end in the longitudinal direction by fastening the upper nut 4 while preventing the rotation of the fitting. At this time, the retrofitting fixture 3 is opened to the outside of the curved band in the longitudinal direction or the short direction so that the screw rod can be received in the intersecting direction, and the receiving groove 33 for receiving the screw rod and The curved band is provided with opposing bent pieces 32 having a height width of at least twice the fastening piece wall thickness at both ends in the short direction and covering both ends in the short direction of the overlapped fastening piece 22. is there.

  That is, the level band A of the present example includes a base plate 1, a pair of screw rods 12 erected on the base plate 1, and arc bands 21 that are vertically opposed to sandwich the outer periphery of the pipe pipe B up and down. A pair of curved bands 2 each having an arc band forming an arc of ¼ to 1/2 circle and fastening pieces 22 having screw rod receiving holes 23 at both ends of the arc band 21 and screw rods 12 are inserted. A pair of nuts 4 above and below screwed to each screw rod 12 that fixes the pair of curved bands 2 to an arbitrary height position of the screw rod 12 by superposing and fastening the fastening pieces 22 to the screw rod 12 respectively. It is assumed to be equipped with. In this example, the base plate 1 has a flat rectangular shape and is provided with two anchor fixing through holes 11 for fixing the base plate 1 to the concrete slab with anchor metal fittings 15 at both ends in the longitudinal direction. The screw rod 12 is screwed to the base plate 1 by a pair of thick nuts 13 that are integrated with the base plate 1 by fixing means such as caulking and welding, and disposed inside the through hole. Further, it is fixed by a thin plate-like thin nut 14 and is made up of all screw bolts standing upright to the base plate 1, and the curved band 2 protrudes so as to be horizontal with the arc band 21 at the center position and both longitudinal ends thereof. For example, it is assumed that a fastening piece 22 having the same width as the arc band 21 is formed by press molding, and the nut 4 has a male screw diameter of the screw rod 12. There as by a hexagonal nut having a female screw was. At this time, the level band A can be supported according to the outer diameter of the pipe pipe B as a plurality of types in which the dimensions of the base plate 1, the screw rod 12, the curved band 2, and the nut 4 are changed. The base plate 1 is about 15 to 22 cm long and about 2.5 to 4 cm wide, and the screw rod 12 is about 10 to 20 cm high and about 1 to 2 cm thick and curved. The arc band 21 of the band 2 has a width of about 2.5 to 4 cm in which the outer periphery of a plurality of pipe pipes B of about 5 to 15 cm is fitted or inscribed in the outer periphery, and the fastening piece 22 The nut 4 has the same width as the arc band 21 and has a length of about 4 cm, and the nut 4 has a female screw corresponding to the thickness of the screw rod 12 and is used in accordance with the outer diameter of the pipe B. As That.

  The curved band 2 arranged oppositely has the screw rod receiving holes 23 in the fastening pieces 22 at both ends in the longitudinal direction thereof. In the present example, the screw rod receiving holes 23 serve as out-of-plane communication grooves 23b. The fastening piece 22 at one end in the longitudinal direction is arranged on one curved band 2 arranged opposite to the fastening piece 22 at the other end in the longitudinal direction and the fastening pieces 22 on both ends in the longitudinal direction of the other curved band 2 arranged opposite to each other. Each screw rod receiving hole 23 is a circular through hole or a long hole in the longitudinal direction, in this example, an in-plane through hole 23a of the long hole. At this time, the screw rod receiving hole 23 is an out-of-plane communication groove. The bending band 2 having the fastening piece 22 at one end in the longitudinal direction, which is 23b, is used as the upper one bending band 2a arranged oppositely.

  In this example, the out-of-plane communication groove 23b intersects the longitudinal in-plane through hole 23a of the long hole with the short direction of the curved band of the fastening piece 22, that is, the protruding direction of the fastening piece, and the front and back sides thereof. This is formed so as to open to the end, and at this time, the out-of-plane communication groove 23b is, for example, a planar U-shape or a similar shape. That is, in this example, the level band A has the screw hole receiving holes 23 of both the fastening pieces 22 in the lower curved band 2b facing each other as the long in-plane through holes 23a, and the upper curved band 2a facing each other. The two fastening pieces 22 are the same as the long-sided in-plane through-holes 23a and the other fastening piece 22 is the above-mentioned out-of-plane communication groove 23b.

  At this time, in this example, the out-of-plane communication groove 23b is additionally formed so as to form, for example, an opening for the communication on the basis of the curved band 2 in which the long in-plane through hole 23a is disposed. For example, it is possible to avoid an increase in cost by adding a new bending band for each bending band corresponding to the diameter of the piping pipe B. As shown in FIG. 2, the outer communication groove 23b has an opening having a wide side end and a wide inner side so as to reach the in-plane through hole. The screw rod 12 can be received easily and reliably in the out-of-plane communication hole 23b.

  The retrofitting fixture 3 includes a flat rectangular substrate 31, opposed bent pieces 32 bent at both ends of the substrate 31, and screw groove receiving receiving grooves 33 arranged on the substrate 31. It is a thick piece-shaped molded part having a U-shaped cross section at the position of the opposed bent piece 32. In this example, the retrofitting fixture 3 has its substrate 31 slightly larger than the width of the curved band 2. The width of the front and back is a plane rectangle having a width that covers the screw hole receiving hole 23 from the front end of the fastening piece 22 in the protruding direction. Each of the front and rear ends intersecting with the protruding direction of the attachment piece 22 is also suspended, and a receiving groove 33 for receiving screw rods is formed as an out-of-plane communication groove 23b in the fastening piece 22 at one end in the longitudinal direction when the nut 4 is fastened. Parallel to or crossing in this example, parallel in this example In this case, the receiving groove 33 of this example is arranged from the in-plane intermediate position of the substrate to one of the opposing bent pieces 32. This one bending piece 32 is arranged so as to be cut out at the same time. At this time, the substrate 31 of the retrofitting fixture 3 has a width of about 2.5 to 4 cm, for example, and a width of about 2 to 3 cm from the front end of the fastening piece 22 in the protruding direction. The opposing bent piece 32 is at least twice the height of the fastening piece 22 of the bending band 2 with respect to the thickness of 2 mm, for example, and has a considerable margin, for example, the same height of about 1 cm. Also, the receiving groove 33 for receiving the screw rod is an opposed bent piece on one side from a position where the width of the screw rod diameter is added to the middle position in the front and rear of the plane of the substrate 31, that is, the center position. As a plurality of types that are used in accordance with the width of the fastening piece 22 of the curved band 2 and the thickness of the screw rod 12 so as to be slightly larger than the diameter of the screw rod 12 reaching 32. is there.

  The level band A formed in this way is the base plate 1, the screw rod 12, the curved band 2, the nut 4 and the retrofitting fixture 3 selected from the above plural types according to the diameter of the pipe pipe B in this example. Each member is set at a factory, and the curved band 2 is shipped in a state where it is vertically opposed to be used so as to support the piping pipe B at the site. That is, the pipe B is supported by the level band A by slightly loosening the upper nut 4 in one screw rod 12 of the level band A so that the retrofitting fixture 3 is inclined in the horizontal or upward direction from the screw rod 12. The upper bending band 2 is moved in the horizontal direction so that the screw rod 12 received in the in-plane through hole 23a of the fastening piece 22 at the other longitudinal end of the upper bending band 2 is used as a support shaft. Further, for example, it is rotated about 1/4 circle, the fastening piece 22 at one end in the longitudinal direction is removed from the screw rod 12 received in the out-of-plane communication groove 23b, and the upper part of the arc band 21 of the lower curved band 2 is removed. Is released. Then, after adjusting the level so that the lower nut 4 and the lower curved band 2b are adjusted according to the gradient and height position of the pipe B, the pipe is placed on the arc band 21 of the lower curved band 2b. Place pipe B. After that, the upper curved band 2a is inclined upward, for example, so as to straddle the pipe B in the opposite direction, and is again rotated about 1/4 circle around the screw rod 12 as a support shaft. After the screw rod 12 is received in 23 b, the loosened nut 4 and one end in the longitudinal direction thereof are placed with the retrofitting fixture 3 facing the side of the screw rod 12 in which the receiving groove 33 for receiving the screw rod is raised. It is attached after mounting so as to be inserted and dropped into the exposed portion of the screw rod 12 between the fastening pieces 22, and the fastening piece 22 is fitted with the fixing bracket 3, and the opposing bent piece 32 is used. The fastening piece 22 and both ends of the fastening piece 22 of the lower curved band 2b may be covered at the same time, and then the upper nut 4 of each screw rod 12 may be fastened. At this time, the retrofitting fixture 3 having the receiving groove 33 for receiving the screw rod of this example has the direction of the receiving groove 33 opposite to the out-of-plane communication hole 23b of the fastening piece 22 as shown in the figure. This arrangement is preferable, and this arrangement prevents the possibility that the fastening piece 22 may come off before the nut 4 is fastened and the workability may be impaired due to the position of the upper nut 4. be able to. As a result, the pipe B is supported by the level band A without detaching the upper nut 4 or the upper curved band 2a, for example, by loosening the nut 4 and rotating the upper curved band 2a, for example, by the action of the fingertip. Can be performed easily and reliably. Incidentally, in actual work, the center of the level band A is drawn in advance, and this is placed on the concrete slab, the above-mentioned fixing bracket 3 is removed, the curved band 2a is rotated, and the piping pipe B is temporarily placed. After the placement, the return of the curved band 2a, the reattachment of the retrofitting fixture 3 and the fastening of the nut 4, the base plate 1 is fixed to the concrete slab with the anchor fitting 15, and the piping work is completed. That's fine.

  Although the illustrated example is as described above, instead of the pair of screw rods standing on the base plate, the screw rods are made into a plurality of pairs standing on the base plate, and the curved band can be fixed to each pair of screw rods. In this case, the fastening piece with the screw hole receiving hole as the out-of-plane communication groove should be attached to the fastening pieces at both ends in the longitudinal direction of the curved band, for example, with the openings in the opposite direction. For arranging the fastening pieces as the out-of-plane communication grooves in the curved bands in both of the opposed arrangements, for making the curved bands in both of the opposed arrangements in common, By arranging the receiving groove in the same direction as the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction when the nut is fastened, the receiving groove for receiving the screw rod is arranged in a plane straight line intersecting the receiving groove. The curved band The rear mounting bracket is mounted so that the fastening piece is fitted from the longitudinal end of the curved band, and the rear mounting bracket is for receiving screw rods. The receiving groove is arranged in a plane L shape, a U shape or an S shape in a direction parallel to or intersecting with the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction in the nut fastening state. In carrying out the present invention, including receiving the screw rod so as to be bent, the level band, its base plate, screw rod, nut, curved band, screw rod receiving hole or surface Specific shapes, structures, materials, dimensions, and relations of external communication grooves, rear mounting brackets, receiving grooves for receiving screw threads, opposing bent pieces, etc., addition to these, support of piping pipes by level bands The method is the gist of the above invention. It can be of various forms as long as it is not contrary.

It is a perspective view which shows the use condition of a level band. It is a disassembled perspective view of a level band. It is a partial expansion perspective view which shows the mounting method of a retrofit fixture. It is a partial expansion perspective view which shows the mounting state of a retrofit fixture.

A level band B piping pipe 1 base plate 11 through-hole 12 screw rod 13 thick nut 14 thin-wall nut 15 anchor fitting 2 curved band 2a upper curved band 2b lower curved band 21 arc band 22 fastening piece 23 screw rod receiving hole 23a in plane Through hole 23b Out-of-plane communication groove 3 Retrofit fixture 31 Substrate 32 Opposite bent piece 33 Receiving groove 4 Nut

Claims (6)

  A pair of screw rods standing on the base plate are received in the screw rod receiving holes of the fastening pieces at both ends in the longitudinal direction, which are superposed vertically, and are fastened by fastening with a pair of upper and lower nuts screwed on the screw rods. A level band in which a curved band arranged oppositely can be fixed at an arbitrary height position of the screw rod, and a screw rod receiving hole of at least one fastening piece in one longitudinal direction in one or both curved bands arranged oppositely is curved. An out-of-plane communication groove that opens outward in the short direction of the band and allows the screw rod to be received by rotation of the curved band, and is mounted by dropping between the fastening piece at one end in the longitudinal direction and the upper nut. By attaching the upper nut under the prevention of rotation, it is provided with an after-fixing bracket for attaching and fixing the fastening piece superposed vertically at one end in the longitudinal direction. Curved band length Receiving groove for accepting screw rods in the direction of the direction or short direction and allowing the screw rods to be received in the crossing direction, and the width of the fastening band on the both ends in the short side of the curved band And a pipe fitting for supporting a pipe, characterized by comprising a back-fitting fixture characterized by comprising opposing bent pieces covering both ends in the short direction of the superposed fastening pieces. Level band.   2. The present invention is characterized in that, instead of the pair of screw rods erected on the base plate, the screw rods are a plurality of pairs erected on the base plate, and the bending band is freely fixed to each pair of screw ridges. Level band for supporting pipes as described.   The piping according to claim 1 or 2, wherein a curved band having a fastening piece at one end in a longitudinal direction with the screw rod receiving hole as an out-of-plane communication groove is used as the upper one curved band disposed opposite to the curved band. Level band for supporting pipes.   The fastening piece at one end in the longitudinal direction with the screw rod receiving hole as an out-of-plane communication groove is arranged on one curved band arranged oppositely, and the fastening piece on the other longitudinal direction and the other curved band arranged oppositely are arranged. 4. The pipe pipe support according to claim 1, 2 or 3, wherein each screw rod receiving hole of the fastening piece at both ends in the longitudinal direction is a circular through hole or an in-plane through hole having a long hole in the longitudinal direction. Level band.   The receiving groove for receiving screw thread in the above-mentioned fixing fixture is arranged in a straight line in a direction parallel to or crossing the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction when the nut is fastened. The level band for supporting pipes according to claim 1, 2, 3, or 4, characterized by comprising:   The receiving groove for receiving the screw rod in the retrofitting fixture has an L-shape that is flat in a direction parallel to or perpendicular to the out-of-plane communication groove in the fastening piece at one end in the longitudinal direction when the nut is fastened. The level band for supporting pipes according to claim 1, 2, 3 or 4, wherein the level band is arranged in a U-shape or S-shape.

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