JP2019132421A - Pipe support tool with fall-off prevention function - Google Patents

Abstract

To provide a pipe support tool with a fall-off prevention function by which a pipe can be surely supported.SOLUTION: A pipe support tool 10 includes a pipe pillow 1 and a pipe band 2. Also, the pipe support tool 10 incudes a screw member 3 and a bolt member 4. The pipe pillow 1 includes a concave face 1d to which a pipe P can freely contact on one face, and a contact face 1f which can feely contact a wall face Wf on the other face. A pipe band 2 includes a curved connection part 21 and a pair of arms 22, 22. The pipe P can be guided to the connection part 21. The arm 22 has an inner wall which can contact a side face 1s of the pipe pillow 1. A head part 3h of the screw member 3 can be stored in a countersink hole 1h, and the pipe pillow 1 can be fixed to the wall face Wf. A shaft part 4s of the bolt member 4 can transverse the countersink hole 1h, and the pipe band 2 can be fixed to the pipe pillow 1 by fastening a nut member 4n to the shaft part 4s. Since the bolt member 4 is arranged in a state where the shaft part 4s is near the head part 3h of the screw member 3, fall-off of the screw member 3 can be prevented.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a pipe support with a drop-off prevention function. In particular, it is a pipe support that supports pipes for storing electrical cables laid along the walls of automobile roads or bridges, etc., and the pipe band that holds the pipes fixed to the wall and the pipes cooperates. In addition, the present invention relates to a structure of a pipe support that supports the pipe and prevents dropping.

  For example, an automobile-only road or a bridge is laid with piping for storing electric cables along the wall surface. Such a pipe is supported by a plurality of pipe supports arranged along the longitudinal direction.

  Examples of such pipe supports include a box-shaped tube pillow that has a concave surface that can be contacted to the outer periphery of the pipe and can be fixed to the wall surface with screws, and can be connected to the tube pillow in a state where the pipe is introduced inside. A pipe holder (hereinafter, referred to as a pipe support) that is configured with a pipe band and can be fixed to either a flat wall surface of a building or a curved wall surface of a columnar body is disclosed (for example, Patent Documents). 1).

JP 2008-25825 A

  FIG. 6 is a cross-sectional view showing the configuration of a pipe support according to the prior art. Note that FIG. 6 corresponds to FIG. Referring to FIG. 6, the conventional pipe support 9 includes a box-shaped pipe pillow 91 and a pipe band 92.

  Referring to FIG. 6, the tube pillow 91 is made of a deformable synthetic resin, and includes a rectangular frame body 911 and a band plate-like base 912 that bridges the central portion of the frame body 911. The pedestal 912 has a locking hole 91h through which a screw portion of the screw B can be inserted at the center. The locking hole 91h defines the hole diameter so that the head of the screw B is difficult to enter.

  Referring to FIG. 6, the tube pillow 91 is attached to the wall surface Wf by contacting the contact surface 91f of the frame body 911 with the flat wall surface Wf and fastening the screw B to the wall surface Wf through the locking hole 91h. Can be fixed. A recess 913 that is recessed in a bowl shape from the contact surface 91f of the base 912 is formed on the back side of the locking hole 91h.

  Referring to FIG. 6, when screw B is fastened to wall surface Wf, the head of screw B can bias a force that deforms the central portion of base 912. And as a reaction of the force which deform | transforms the center part of the base 912, since the tension | pulling force acts on the screw part of screw B, screw B is supposed to be able to be fastened without loosening to wall surface Wf.

  Referring to FIG. 6, the tube pillow 91 has a pair of flange pieces 91 k and 91 k formed on the inner wall of the frame body 911. The pair of flange pieces 91k and 91k are arranged to face each other. On the other hand, the pipe band 92 includes a connecting portion 921 that is curved in an arc shape and a pair of arms 922 and 922 that extend in parallel from the connecting portion 921 in a band shape. And a pair of arm 922 * 922 forms a pair of nail | claw piece 92n * 92n in the front-end | tip part.

  Referring to FIG. 6, when the pair of arms 922 and 922 enters the inside of the frame body 911, the pair of claw pieces 92n and 92n can be engaged with the pair of hook pieces 91k and 91k. When the pair of arms 922 and 922 enter the inside of the frame body 911 in a state where the pipe Pb is introduced into the connecting portion 921 from the outer peripheral direction, the claw piece 92n is locked to the collar piece 91k. 91 and the pipe band 92 cooperate to support the pipe Pb.

  Referring to FIG. 6, the pipe Pb is actually a bellows pipe having an outer periphery formed in a waveform. The pipe Pb accommodates, for example, an electric cable (not shown) inside. The tube pillow 91 has a first arc portion 91c having a large curvature radius and a second arc portion 91d having a small curvature radius formed on the surface opposite to the contact surface 91f of the frame 911. The first arc portion 91c and the second arc portion 91d share their centers.

  With reference to FIG. 6, in a state where the pipe Pb is introduced into the connecting portion 921 and the pipe band 92 is engaged with the pipe pillow 91, the first arc part 91 c can contact the annular convex part of the bellows pipe. . On the other hand, the second arc portion 91d can abut on the annular recess of the bellows tube. Thereby, the axial movement of the bellows pipe can be restricted with respect to the pipe support 9.

  Referring to FIG. 6, when fixing the pipe support 9 to the curved wall surface of a columnar body (not shown) such as a utility pole, the insertion holes 910 and 910 formed on both sides of the pedestal 912 have strip-like shapes. By inserting a band member (not shown) and fastening the band member (not shown) to the columnar body, the pipe support 9 can be fixed to a columnar body (not shown).

  Referring to FIG. 6, in the pipe support 9 according to Patent Document 1, when the pipe support 9 is fixed to the flat wall surface W, the screw B is slack depending on the force that deforms the central portion of the base 912. However, the screw B may jump out of the base 912 due to vibration or the like.

  In addition, the pipe support 9 according to Patent Document 1 may release the engagement between the tube pillow 91 and the tube band 92 when an inadvertent external force acts on the distal end side of the tube band 92. When fixing to a flat wall surface using fasteners, such as a screw, the piping support tool which can support piping reliably without dropping a fastener is calculated | required. The above can be said to be the subject of the present invention.

  The present invention has been made in view of such a problem, and is a pipe support that supports pipes for electrical cable storage and the like, and is connected to a pipe pillow and a pipe pillow fixed to a wall surface using a fastener. It is an object of the present invention to provide a pipe support that cooperates with a pipe band to securely support a pipe and prevent it from falling off.

  The inventors of the present invention have provided a tube pillow that can be fixed to a wall surface by inserting a screw member into the counterbore hole, and a tube band that can support the tube on the tube pillow. A pipe support is constructed, and a pair of arms extending from the connecting portion of the pipe band is fixed to both side surfaces of the pipe pillow using a bolt member and a nut member, and the shaft portion of the bolt member is attached to the head of the screw member. By arranging in close proximity, it is possible to prevent the screw member from jumping out of the counterbore hole, which makes it possible to reliably support the pipe on the wall surface. It came to invent.

  (1) A pipe support with a drop-off prevention function according to the present invention is a pipe support that supports a pipe on a wall surface, and has a concave surface that is recessed so as to be able to come into contact with the pipe from an outer peripheral direction on one side, A tube pillow having a contact surface that can be contacted with the wall surface on the other surface, a connecting portion that is curved so that the piping can be introduced into the inside, and a portion extending substantially in parallel from the connecting portion and adjacent to the concave surface The head can be accommodated in a tube band having a pair of belt-like arms capable of contacting the inner wall on the tip end side with a pair of side surfaces, and a counterbore hole drilled from the concave surface of the tube pillow, and from the bottom surface of the counterbore hole A screw member that allows a threaded portion to be inserted into a locking hole that penetrates toward the abutment surface, fixes the tube pillow to the wall surface, a bolt hole that opens on the tip end side of the pair of arms, and the countersink hole The bolt insertion holes that cross the peripheral wall of the tube and penetrate the both side surfaces of the tube pillow are matched. A bolt member capable of inserting a shaft portion into the bolt hole and the bolt insertion hole and capable of fastening a nut member, wherein the bolt member is in a state in which the outer periphery of the shaft portion is close to the head of the screw member Is arranged in.

  (2) The bolt member may be a drop-off prevention bolt that prevents the nut member from dropping off.

  (3) The drop-off prevention bolt has a head at one end, a male screw part, and a bolt body having a fitting shaft part formed at an intermediate part of the male screw part as a shaft part, and the fitting shaft part And a cylindrical drop-off prevention member fitted to the fitting shaft portion so as to be able to closely contact the outer circumference of the fitting shaft portion. The member has a circular outer periphery whose diameter is smaller than the ridge diameter of the female thread portion of the nut member, a protrusion that bulges from the outer periphery of the drop-off preventing member, and a tip surface that can press the inner wall of the female thread portion of the nut member, In a state where the nut member is rotated at a predetermined torque or more with respect to the bolt body, the nut member can be screwed against the bolt body against the pressing force of the protrusion, In a state where the nut member has passed through the protrusion toward the head, It is preferred that the serial protrusion is elastically restored.

  (4) It is preferable that the tube pillow and the tube band are formed of a synthetic resin.

  A pipe support with a drop-off preventing function according to the present invention includes a tube pillow that has a counterbored hole formed in a concave surface on which a pipe can be contacted, a screw member inserted into the counterbored hole, and can be fixed to a wall surface. A pipe supporter is configured with a pipe band that can be supported on the pipe, and a pair of arms extending from the connection part of the pipe band is fixed to both sides of the pipe pillow using a bolt member and a nut member, and the shaft part of the bolt member is By disposing the screw member close to the head of the screw member, the screw member can be prevented from jumping out from the counterbore hole, and thereby the pipe can be reliably supported on the wall surface.

  Moreover, it is preferable that the pipe support with a drop-off preventing function according to the present invention comprises a bolt member with a drop-off prevention bolt that prevents the nut member from dropping off, and the pipe band can be prevented from falling off the pipe pillow.

It is a figure which shows the structure of the piping support tool with a drop-off prevention function by 1st Embodiment of this invention, FIG. 1 (A) is a front view of a piping support tool, FIG.1 (B) is a top view of a piping support tool. FIG. 1C is a right side view of the pipe support, and FIG. 1D is a cross-sectional view taken along the line AA in FIG. It is a figure which shows the structure of the piping support tool with a drop-off prevention function by 1st Embodiment, shows one piping support tool with a perspective view, and has shown the other piping support tool with the perspective exploded view. It is a perspective view which shows the structure of the fall-off prevention bolt with which the piping support tool with a fall-off prevention function by 1st Embodiment is equipped. It is a perspective exploded view showing composition of a drop-off prevention bolt provided in a pipe support with a drop-off prevention function according to the first embodiment. It is a figure which shows the structure of the piping support tool with a drop-off prevention function by 2nd Embodiment of this invention, FIG. 5 (A) is a front view of a piping support tool, FIG.5 (B) is a top view of a piping support tool. FIG. 5C is a right side view of the pipe support. It is a cross-sectional view which shows the structure of the piping support tool by a prior art.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[First Embodiment]
(Configuration of piping support with drop-off prevention function)
Initially, the structure of the piping support with a drop-off preventing function according to the first embodiment of the present invention will be described.

  FIG. 1 is a diagram showing a configuration of a pipe support with a drop-off preventing function according to the first embodiment of the present invention, FIG. 1 (A) is a front view of the pipe support, and FIG. 1 (B) is a pipe support. FIG. 1C is a right side view of the pipe support, and FIG. 1D is a cross-sectional view taken along the line AA in FIG. 1B.

  FIG. 2 is a diagram illustrating the configuration of the pipe support with a drop-off preventing function according to the first embodiment, in which one pipe support is shown in a perspective view and the other pipe support is shown in a perspective exploded view.

  FIG. 3 is a perspective view showing a configuration of a drop-off prevention bolt provided in the pipe support with a drop-off prevention function according to the first embodiment. FIG. 4 is an exploded perspective view showing a configuration of a drop-off prevention bolt provided in the pipe support with a drop-off prevention function according to the first embodiment.

(overall structure)
With reference to FIGS. 1 to 4, the pipe support 10 with a drop-off preventing function according to the first embodiment of the present invention can support the pipe P accommodating an electric cable or the like on the wall surface Wf (see FIG. 1A). The pipe support 10 includes a pipe pillow 1 and a pipe band 2 having a rectangular parallelepiped shape or the like. The pipe support 10 includes a bolt member 4 including a screw member 3 and a drop-off prevention bolt.

  Referring to FIG. 1 or FIG. 2, the tube pillow 1 has a concave surface 1d that is recessed in an arc shape or the like on one surface. The pipe P can be brought into contact with the concave surface 1d from the outer peripheral direction. Moreover, the tube pillow 1 has the contact surface 1f which can contact | abut to the wall surface Wf on the other surface.

  Referring to FIG. 1 or FIG. 2, the tube band 2 includes a connecting portion 21 curved in an arc shape or the like, and a pair of arms 22 and 22 extending from the connecting portion 21 in a band shape in parallel. A pipe P can be introduced into the connecting portion 21. The pair of arms 22 and 22 can abut the inner wall on the tip end side on a pair of side surfaces 1s and 1s adjacent to the concave surface 1d. By introducing the pipe P into the connecting portion 21, the movement of the pipe P can be restricted. That is, the pipe band 2 can hold the pipe P. In this embodiment, the pipe band 2 has a shape in which the cross section of the connecting portion 21 is curved in a dominant arc shape, but is not necessarily limited to the curved shape in a dominant arc shape, and can hold the pipe P. If it is.

  Referring to FIG. 1 or FIG. 2, the tube pillow 1 has a counter bore 1h opened from the concave surface 1d in the concave surface 1d. Further, the tube pillow 1 has an engagement hole 1k penetrating from the bottom surface of the counterbore hole 1h toward the contact surface 1f. The head 3h of the screw member 3 can be accommodated in the counterbore 1h. The screw portion 3s of the screw member 3 can be inserted into the locking hole 1k. The tube pillow 1 can be fixed to the wall surface Wf by screwing the screw portion 3s of the screw member 3 to the wall surface Wf.

  Referring to FIG. 2, the tube band 2 has a bolt hole 22 h opened on the distal end side of the pair of arms 22 and 22. On the other hand, the tube pillow 1 crosses the peripheral wall of the counterbore 1h and opens a bolt insertion hole 11h that penetrates both side surfaces 1s and 1s of the tube pillow 1. The shaft portion 4s can be inserted into the bolt hole 22h and the bolt insertion hole 11h in a state where the pair of bolt holes 22h and 22h and the bolt insertion hole 11h are matched. Then, by fastening the nut member 4n to the distal end side of the shaft portion 4s, the pipe band 2 can be fixed to the pipe pillow 1 in a state where the pipe P is supported by the pipe band 2 and the pipe pillow 1. The interval between the pair of arms 22 and 22 may be constant, but it is desirable that the pair of arms 22 and 22 be widened from the connecting portion to the distal end portion. In this way, when the nut member 4n is fastened to the bolt member 4, the pair of arms 22 and 22 press the nut member 4n and the flat washer 1w, so that the loosening of the nut member 4n with respect to the bolt member 4 is further suppressed. Is done.

  Referring to FIG. 1 (A) or FIG. 1 (D), the bolt member 4 is disposed in a state where the outer periphery of the shaft portion 4s is close to the head portion 3h of the screw member 3. By disposing the shaft portion 4s of the bolt member 4 close to the head 3h of the screw member 3, the screw member 3 can be prevented from jumping out from the counterbore hole 1h, thereby reliably connecting the pipe P to the wall surface Wf. Can be supported.

  Here, referring to FIG. 1 (A), “the outer periphery of the shaft portion 4 s of the bolt member 4 is disposed in the state of being close to the head 3 h of the screw member 3” means that the outer periphery of the shaft portion 4 s is This means that the top of the head 3h of the screw member 3 is separated by a predetermined short distance. The “predetermined short distance” is a distance that allows the shaft portion 4s of the bolt member 4 to pass without being blocked by the head portion 3h of the screw member 3 in a state where the screw member 3 is fixed to the bottom surface of the counterbored hole 1h. Even if the screw member 3 is slack and the head 3h moves toward the outer periphery of the shaft portion 4s, the distance of the screw member 3 can be stopped immediately. For example, this distance is preferably 3 mm or less, but is not necessarily limited to 3 mm or less, and may exceed 3 mm as long as the movement of the screw member 3 can be stopped.

(Configuration of drop-off prevention bolt)
Next, the structure of the bolt member 4 composed of a drop-off prevention bolt will be described. Referring to FIG. 3 or FIG. 4, the bolt member 4 according to the embodiment includes a bolt main body 41 and a cylindrical dropout prevention member 42. The bolt main body 41 has a head portion 41h at one end portion, and a male screw portion 41m, a fitting shaft portion 41f formed at an intermediate portion of the male screw portion 41m, and a non-male screw portion 41n that does not form a screw thread. Part 4s. The non-male screw part 41n may not be provided, and the male screw part 41m may be extended to the non-male screw part 41n. Although the diameter of the non-male screw part 41n is the same as the valley diameter of the male screw part 41m (see FIG. 4), it may be increased to the mountain diameter (outer diameter) of the male screw part 41m.

  Referring to FIG. 4, the dropout prevention member 42 is opened by providing a notch 42d on the outer periphery 42c. The drop-out preventing member 42 can be introduced from the outer peripheral direction of the fitting shaft portion 41 f of the bolt main body 41 by the notch 42 d. The drop-off prevention member 42 can be fitted to the fitting shaft portion 41f so as to be in close contact with the outer periphery of the fitting shaft portion 41f (see FIG. 3).

  Referring to FIG. 4, the dropout prevention member 42 has a circular outer periphery 42c and a protrusion 42b. The outer periphery 42c of the drop-off preventing member 42 has a smaller diameter than the mountain diameter (inner diameter) of the female screw portion 4f of the nut member 4n that can be screwed into the male screw portion 41m. The protrusion 42b bulges out from the outer periphery 42c of the dropout prevention member 42 in a truncated cone shape. The projecting part 42b can press the inner wall of the female thread part 4f of the nut member 4n at its tip end surface. The protrusion 42b is not particularly limited to a truncated cone shape, and may be a semicircular shape.

  With reference to FIG. 3, in a state where the nut member 4n is rotated at a predetermined torque or more with respect to the bolt body 41 by using a tool such as a spanner or a wrench (not shown), the pressing force of the protrusion 42b is resisted. The nut member 4n can be screwed relative to the bolt body 41. 3 or 4, the nut member 4n can be rotated with respect to the bolt body 41 using a tool such as a spanner or a wrench (not shown).

  With reference to FIG. 1, in a state in which the nut member 4 n has passed through the protrusion 42 b toward the head 41 h, the protrusion 42 b is elastically restored, and the nut member 4 n can be prevented from falling off with respect to the bolt main body 41. Thereby, even if the nut member 4n is loosened with respect to the bolt body 41, the connection between the tube band 2 and the tube pillow 1 can be maintained, and the tube band 2 can be prevented from falling off the tube pillow 1. As shown in FIGS. 3 and 4, the nut member 4 n is preferably a flanged nut such as a flanged hex nut (a flanged nut).

  Next, the configuration of the pipe support 10 will be described. Referring to FIG. 1 or FIG. 2, the screw member 3 is preferably made of a bolt such as a hexagon bolt. Here, as the screw member 3, a bolt with a flange (bolt with a flange) is used, but a bolt may be used via a plain washer. By using a flanged bolt or a plain washer, the contact area with the bottom surface of the counterbore 1h can be increased, and the effect of preventing loosening can be expected. As the screw member 3, a truss screw having a low head 3h height and a large head 3h outer diameter may be used.

  Referring to FIG. 1 or FIG. 2, the tube pillow 1 and the tube band 2 are preferably formed of a fiber reinforced plastic such as FRP, but it is not necessarily excluded that the tube pillow 1 and the tube band 2 are made of a metal member such as steel or a stainless alloy. Referring to FIG. 3 or FIG. 4, the bolt body 41 and the nut member 4n are preferably made of a metal member such as a stainless alloy, and can prevent the occurrence of rust.

Referring to FIG. 2, when fastening the nut member 4 n to the bolt member 4, it is preferable to interpose a flat washer 1 w between the arm 22 and the head 41 h of the bolt member 4. The flat washer 1w can suppress damage to the arm 22 due to screwing of the bolt member 4. In addition to the plain washer 1w, a spring washer 1ws may be interposed between the arm 22 and the head 41h of the bolt member 4. Instead of using the flat washer 1w, a bolt with a flange (bolt with a flange) may be used as the bolt member 4.
In this embodiment, instead of using a plain washer, using a flanged nut or a flanged bolt, or both a flanged nut and a flanged bolt, it is possible to eliminate the work of passing a plain washer and improve workability. Can be made.

(Operation of piping support with drop-off prevention function)
Next, the operation and effect of the pipe support 10 will be described while explaining a method of using the pipe support 10 with a dropout prevention function according to the first embodiment. First, referring to FIG. 1 or FIG. 2, the screw member 3s is inserted into the counterbored hole 1h with the screw portion 3s at the head. Next, the tube pillow 1 can be fixed to the wall surface Wf by rotating the screw member 3 using a tool such as a spanner or a wrench (not shown).

  Next, referring to FIG. 1 or FIG. 2, after introducing the pipe P into the pipe band 2, the pipe P is brought into contact with the concave surface 1 d of the pipe pillow 1. Alternatively, the pipe P is relatively introduced into the pipe band 2 in a state where the pipe P is in contact with the concave surface 1 d of the pipe pillow 1.

  Next, referring to FIG. 2, the bolt member 4 is inserted into the bolt hole 22h and the bolt insertion hole 11h in a state where the bolt hole 22h and the bolt insertion hole 11h are aligned (see FIG. 1). Next, the nut member 4n is fastened to the shaft portion 4s of the bolt member 4 (see FIG. 1), and the assembly work of the pipe support 10 is completed.

  Referring to FIG. 1 or FIG. 2, the pipe support 10 according to the first embodiment is arranged with the shaft portion 4 s of the bolt member 4 being close to the head 3 h of the screw member 3. Jumping out from the counterbore 1h can be prevented. And thereby, the piping P can be reliably supported by the wall surface Wf.

Moreover, the piping support 10 by 1st Embodiment can maintain the connection of the band 2 for pipes, and the pipe pillow 1 even if the nut member 4n loosens with respect to the bolt member 4 by using a fall-off prevention bolt as the bolt member 4. The pipe band 2 can be prevented from falling off the pipe pillow 1.
[Second Embodiment]
(Configuration of piping support with drop-off prevention function)
Next, the configuration of the pipe support with a drop-off preventing function according to the second embodiment of the present invention will be described.

  FIG. 5 is a diagram showing the configuration of a pipe support with a drop-off prevention function according to the second embodiment of the present invention. FIG. 5 (A) is a front view of the pipe support and FIG. 5 (B) is a pipe support. FIG. 5C is a right side view of the piping support tool.

  In addition, since the effect | action of the component which attached | subjected the code | symbol same as the code | symbol used in 1st Embodiment makes the same action, description may be abbreviate | omitted below.

  Referring to FIG. 5, the pipe support 20 according to the second embodiment of the present invention can support the pipe P accommodating an electric cable or the like on the wall surface Wf (see FIG. 5A). The pipe support 20 includes a pipe pillow 5 having a rectangular parallelepiped shape and a pipe band 6. The pipe support 20 includes a bolt member 4 including a screw member 3 and a drop-off prevention bolt. As shown in FIG. 1C, the pipe support 10 according to the first embodiment has the same width as the pipe pillow 1 and the width of the pipe band 2, but the pipe support 20 according to the second embodiment is shown in FIG. As shown in (C), the width of the tube pillow 5 is larger than the width of the tube band 6.

  Referring to FIG. 5, the tube pillow 5 has a concave surface 5d that is recessed in an arc shape or the like on one surface. The pipe P can be brought into contact with the concave surface 5d from the outer peripheral direction. Further, the tube pillow 5 has a contact surface 5f that can contact the wall surface Wf on the other surface.

  Referring to FIG. 5, the pipe band 6 includes a connecting portion 61 that is curved in a dominant arc shape, and a pair of arms 62 and 62 that extend from the connecting portion 61 in a band shape in parallel. A pipe P can be introduced into the connecting portion 61. The pair of arms 62 and 62 can abut the inner wall on the distal end side against the pair of side surfaces 5s and 5s adjacent to the concave surface 5d. By introducing the pipe P into the connecting portion 61, the movement of the pipe P can be restricted. That is, the pipe band 6 can hold the pipe P. In this embodiment, the cross section of the tube band 6 is U-shaped. In the second embodiment, the radius of curvature of the connecting portion 61 having an arcuate shape is smaller than the radius of curvature of the connecting portion 21 shown in FIG. 1 or FIG.

  Referring to FIG. 5, the tube pillow 5 has a countersink hole 5h drilled from the concave surface 5d in the concave surface 5d. Further, the tube pillow 1 has an engagement hole 5k penetrating from the bottom surface of the counterbore hole 5h toward the contact surface 5f. The head 3h of the screw member 3 can pass through the counterbore 5h. The screw portion 3s of the screw member 3 can be inserted into the locking hole 5k. And the pipe pillow 5 can be fixed to the wall surface Wf by screwing the screw part 3s of the screw member 3 to the wall surface Wf.

  Referring to FIG. 5, the tube band 6 has bolt holes opened on the distal end side of the pair of arms 62 and 62. On the other hand, the tube pillow 5 crosses the peripheral wall of the counterbore hole 5h and opens a bolt insertion hole that penetrates both side surfaces 5s and 5s of the tube pillow 5. The shaft portion 4s can be inserted into the bolt hole and the bolt insertion hole in a state where the pair of bolt holes and the bolt insertion hole are matched. Then, the pipe band 6 can be fixed to the tube pillow 5 with the pipe P supported by the tube band 6 and the tube pillow 5 by fastening the nut member 4n to the distal end side of the shaft portion 4s.

  Referring to FIG. 5A, the bolt member 4 is disposed in a state where the outer periphery of the shaft portion 4 s is close to the head portion 3 h of the screw member 3. By disposing the shaft portion 4s of the bolt member 4 close to the head portion 3h of the screw member 3, the screw member 3 can be prevented from jumping out of the cavity 5v, thereby reliably supporting the pipe P on the wall surface Wf. it can.

(Operation of piping support with drop-off prevention function)
Next, the operation and effect of the pipe support 20 with a drop-off preventing function according to the second embodiment will be described. Referring to FIG. 5, the pipe support 20 according to the second embodiment arranges the shaft portion 4 s of the bolt member 4 in a state close to the head 3 h of the screw member 3, so that the screw member 3 is the tube pillow 5. Can be prevented from jumping out. And thereby, the piping P can be reliably supported by the wall surface Wf.

  In addition, the pipe support 20 according to the second embodiment uses a drop-off prevention bolt as the bolt member 4, so that the connection between the pipe band 6 and the pipe pillow 5 can be maintained even if the nut member 4 n is loosened with respect to the bolt member 4. The pipe band 6 can be prevented from falling off the pipe pillow 5.

DESCRIPTION OF SYMBOLS 1 Tube pillow 1d Concave surface 1f Contact surface 1h Countersink hole 1s / 1s A pair of side surface 2 Pipe band 3 Screw member 3h Head (head of screw member)
3s screw part (thread part of screw member)
4 Bolt member 4n Nut member 4s Shaft part (Shaft part of bolt member)
10 Piping support with drop-off prevention function 11h Bolt insertion hole 22h Bolt hole P Piping Wf Wall surface

Claims (4)

A pipe support with a fall-off prevention function that supports the pipe on the wall surface,
A tube pillow having a concave surface that is recessed so as to be able to contact the pipe from the outer peripheral direction on one surface, and a contact surface that can contact the wall surface on the other surface;
A connecting portion that is curved so that the pipe can be introduced into the inside, and a pair of belt-like arms that extend substantially in parallel from the connecting portion and can contact the inner wall on the tip end side with a pair of side surfaces adjacent to the concave surface. A tube band having,
The head can be accommodated in a countersink hole drilled from the concave surface of the tube pillow, and a threaded portion can be inserted through the locking hole penetrating from the bottom surface of the countersink hole toward the contact surface, and the tube pillow is A screw member fixed to the wall surface;
In a state where the bolt hole opened on the tip end side of the pair of arms and the bolt insertion hole penetrating the both side surfaces of the tube pillow crossing the peripheral wall of the counterbore hole, the shaft portion is the bolt hole and the A bolt member that can be inserted into the bolt insertion hole and can be fastened with a nut member;
The bolt member is a pipe support with a drop-off preventing function, and is arranged in a state where the outer periphery of the shaft portion is close to the head of the screw member.   The pipe support with a drop-off prevention function according to claim 1, wherein the bolt member is a drop-off prevention bolt that prevents the nut member from falling off. The drop-off prevention bolt is
A bolt main body having a head at one end, a male screw part, and a fitting shaft part formed in an intermediate part of the male screw part in the shaft part;
A cylindrical drop-off preventing member fitted to the fitting shaft portion, with a notch that can be introduced into the fitting shaft portion from the outer peripheral direction opened to the outer periphery, and in close contact with the outer periphery of the fitting shaft portion. Prepared,
The drop-off prevention member is
A circular outer periphery whose diameter is smaller than the mountain diameter of the female thread portion of the nut member;
A protrusion that bulges from the outer periphery of the drop-off prevention member, the tip surface of which can press the inner wall of the female thread portion of the nut member, and
In a state where the nut member is rotated with a predetermined torque or more with respect to the bolt body, the nut member can be screwed with respect to the bolt body against the pressing force of the protrusion,
The pipe support with a drop-off preventing function according to claim 2, wherein the protrusion is elastically restored in a state where the nut member passes through the protrusion toward the head.   The pipe support with a drop-off prevention function according to any one of claims 1 to 3, wherein the pipe pillow and the pipe band are formed of a synthetic resin.

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