JP5221241B2 - Resin header fixing structure and resin header system - Google Patents

Description

  The present invention relates to a fixing structure for fixing a resin header to a mounting surface, and a resin header system provided with the fixing structure for the resin header.

The header method is often used for oil supply and hot water supply pipes for residential use. A resin header may be used for the header for the purpose of weight reduction.
Therefore, Patent Document 1 describes a fixing method in which the resin header is floated and fixed from the mounting surface.

Specifically, the fixing member having the base portion standing from the mounting surface is arranged at a predetermined interval, and the resin header is fixed to the fixing member so that the resin header is fixed in a floating state from the mounting surface. It has become.
Thus, the workability of the post-process such as pipe connection can be improved by floating the resin header from the mounting surface.

JP 2004-225858 A

However, the strength of the resin header is low because of its connection structure, and it is considered that the resin header is damaged when a force is applied in the bending direction by, for example, an operator stepping on the construction site or placing a heavy object.
In view of the above fact, an object of the present invention is to suppress the breakage of the resin header that is floated and fixed from the mounting surface.

  The fixing structure of the resin header according to claim 1 of the present invention is such that the base portion erected from the mounting surface and one end side of the base portion are rotatably attached, and the other end side abuts each other in the closed state to attach the resin header. A pair of sandwiching portions that are spaced apart from the surface and held, opened in the open state, separated from each other to release the resin header, and separated from each other, and arranged at a predetermined interval. A fixing member for holding the resin header, provided along the longitudinal direction of the resin header, a flange portion supported by the sandwiching portion and receiving the resin header, and provided along the longitudinal direction of the resin header, A reinforcing member that includes a reinforcing portion that protrudes to the opposite side of the resin header from between one end portions of the pair of holding portions that are connected to the flange portion and spaced apart from each other. And wherein the door.

  According to the above configuration, the fixing member arranged at a predetermined interval is provided with the base portion erected from the attachment surface, and one end sides of the pair of sandwiching portions are rotatably attached to the base portion. Then, by rotating the pair of sandwiching portions and bringing the other end portions into contact with each other to be in a closed state, the pair of sandwiching portions sandwich and hold the resin header away from the mounting surface. As described above, the resin header is floated and fixed from the mounting surface by the fixing member.

  Further, the resin header fixing structure of the present invention is provided with a reinforcing member for suppressing breakage of the resin header.

  Specifically, the reinforcing member is provided along the longitudinal direction of the resin header, and is supported between the flange portion that is supported by the sandwiching portion and receives the resin header, and one end portion of the pair of sandwiching portions that are connected to the flange portion and spaced apart from each other. And a reinforcing portion protruding to the opposite side of the resin header.

  Thus, at the time of construction, the reinforcing member and the resin header are placed on the sandwiching portion with the sandwiching portions of the fixing members arranged at predetermined intervals being opened. At this time, the flange portion of the reinforcing member is supported by the sandwiching portion, and the reinforcing portion of the reinforcing member protrudes from between the one end portions of the sandwiching portion to the side opposite to the resin header.

  Further, the other end portion of the sandwiching portion is brought into contact with the closed portion so that the sandwiching portion sandwiches and fixes the resin header. At this time, the reinforcing member is fixed integrally with the resin header by sandwiching the flange portion of the reinforcing member between the sandwiching portion and the resin header. Further, as described above, the reinforcing member is provided with a reinforcing portion that protrudes from one end portion of the clamping portion to the side opposite to the resin header. That is, the bending rigidity of the reinforcing member is enhanced by the reinforcing portion.

  In this way, the reinforcing member is provided with a reinforcing portion, and further, the flange portion is sandwiched between the sandwiching portion and the resin header, and the reinforcing member is integrally fixed with the resin header, so that the resin header is deformed due to an external load. Is prevented, and the breakage of the resin header that is fixed by floating from the mounting surface can be suppressed.

  The resin header fixing structure according to claim 2 of the present invention is characterized in that, in claim 1, when the reinforcing portion of the reinforcing member is viewed from the longitudinal direction, the resin header side has a rectangular shape opened. To do.

  According to the said structure, when the reinforcement part of a reinforcement member is seen from a longitudinal direction, it is set as the rectangular shape by which the resin header side was open | released. Thus, by making the reinforcement part into the open rectangular shape, the reinforcement member can be formed by pressing or roll forming the plate member, and an inexpensive configuration can be obtained.

  The resin header fixing structure according to claim 3 of the present invention is the resin header fixing structure according to claim 1, wherein the resin header side is closed when the reinforcing portion of the reinforcing member is viewed from the longitudinal direction. .

  According to the said structure, when the reinforcement part of a reinforcement member is seen from a longitudinal direction, it is set as the rectangular shape which the resin header side closed. Thus, by setting it as the rectangular shape with which the resin header side was closed, a reinforcement member can be shape | molded by drawing etc. and the rigidity of a reinforcement member can be made high.

A resin header system according to a fourth aspect of the present invention includes a resin header and the resin header fixing structure according to any one of the first to third aspects.
According to the said structure, the resin header system is equipped with the fixing structure of the resin header of any one of Claims 1-3. For this reason, even if it floats from the mounting surface and the resin header is fixed, damage to the resin header can be suppressed.

  ADVANTAGE OF THE INVENTION According to this invention, the damage of the resin header which floated and was fixed from the attachment surface can be suppressed.

  A resin header fixing structure 10 according to a first embodiment of the present invention will be described with reference to FIGS.

(overall structure)
FIG. 6 shows a resin header 12 formed of a resin material fixed to the mounting surface 48 (see FIG. 5) by the resin header fixing structure 10 according to the present invention. The resin header 12 is configured by connecting a plurality of header bases 14.

  As shown in FIG. 8, the header base 14 is integrally provided with a branch pipe connection 18 in the main pipe 16. A straight flow path 20 is provided inside the main pipe portion 16, and a rising flow path 22 is provided inside the branch pipe connection portion 18.

  The branch pipe connecting portion 18 is provided with, for example, a synthetic resin-made inner cylinder 26 colored in black, which is inserted into the resin pipe 24 connected to the rising flow path 22, on the outer surface of the inner cylinder 26. An O-ring 30 is fitted in the formed circumferential groove 28.

  A transparent synthetic resin outer cylinder 32 is disposed on the outer peripheral side of the inner cylinder 26 through a gap into which the resin pipe 24 is inserted. A pipe holding ring 34 having a V-shaped cross section is disposed on the distal end side of the outer cylinder 32, and a cylindrical cap 36 for preventing the pipe holding ring 34 from being detached is attached to the outer cylinder 32. .

  In addition, a release ring 38 for releasing the biting of the claw portion of the pipe holding ring 34 is mounted inside the cap 36.

  When the resin pipe 24 is inserted between the inner cylinder 26 and the outer cylinder 32, the inner peripheral side end of the pipe holding ring 34 is caught on the outer peripheral surface of the resin pipe 24 to prevent the resin pipe 24 from coming off. Thus, the O-ring 30 is in close contact with the inner peripheral surface of the resin pipe 24 for sealing (so-called inner surface sealing). The resin pipe 24 is rotatable while being inserted between the inner cylinder 26 and the outer cylinder 32.

  When the release ring 38 is pushed in and pressed against the pipe holding ring 34, the tapered portion of the release ring 38 slides on the inclined surface on the inner peripheral side of the pipe holding ring 34, and the inner diameter of the release ring 38 is increased to increase the resin pipe. The hook with 24 is released, and the resin pipe 24 can be pulled out.

  Furthermore, one end portion of the main pipe portion 16 has the same structure as that of the branch pipe connection portion 18, and the other end portion is a cylindrical body portion 40 having the same inner and outer diameter as the resin pipe 24. It can be inserted between the cylinder 26 and the outer cylinder 32.

  Therefore, as shown in FIG. 7, the plurality of header bases 14 are formed by inserting the cylindrical part 40 of the main pipe part 16 of the header base 14 between the inner and outer cylinders of the main pipe part 16 of another adjacent header base 14. The resin headers 12 can be connected in a straight line so that each header base 14 can be rotated.

  In this embodiment, as shown in FIG. 6, all the branch pipe connecting portions 18 are directed in the direction of arrow A (upward in the drawing), but by rotating any header base 14, The branch pipe connection 18 can be directed in the direction of arrow B.

(Main part configuration)
Next, as shown in FIG. 1, the resin header fixing structure 10 for fixing the resin header 12 to which the header base 14 is connected to the mounting surface 48 (see FIG. 5) will be described.

The resin header fixing structure 10 includes a fixing member 50 that holds the resin header 12 while being spaced apart from the mounting surface 48.
As shown in FIG. 3, the fixing member 50 includes a pair of holding portions 52 that hold the resin header 12 (see FIG. 1), and a base portion 54 that stands from the mounting surface 48 and supports the holding portion 52. Configured.

  The base 54 includes a bottom plate 56, a pair of side plates 58 erected from the bottom plate 56, and a pair of reinforcing plates 60 formed along the edges of the bottom plate 56 and the side plates 58.

  The bottom plate 56 has a width in the longitudinal direction (a direction perpendicular to the axial direction of the sandwiched resin header 12) substantially the same as the diameter of the pair of sandwiching portions 52 when the resin header 12 is sandwiched. Further, the resin header 12 is sandwiched between the pair of sandwiching portions 52 so that the resin header 12 is fixed by the fixing member 50 and the mounting surface 48 is disposed.

  The bottom plate 56 is formed with a screw hole 62 as a fixing hole through which the screw 46 for fixing the fixing member 50 to the mounting surface 48 is passed. The screw 46 is passed through the screw hole 62 and is screwed to the mounting surface 48.

  Further, a pair of side plates 58 standing from both ends of the bottom plate 56 are disposed to face each other, and a pair of side plates 58 projecting on both sides along the axial direction of the sandwiched resin header 12 on the upper side of the pair of side plates 58. The shaft portion 64 is formed.

  The pair of sandwiching portions 52 are formed in an arc shape along the outer shape of the sandwiched resin header 12. And the protrusion piece 68 which has the fitting hole 66 which the shaft part 64 fits is formed in the one end side of a pair of clamping part 52, and when a shaft part 64 fits into the fitting hole 66, a pair of The clamping part 52 is rotatably supported.

  The pair of sandwiching portions 52 rotate in a direction in which the other end portions of the sandwiching portions 52 are separated from each other, and the other end portions of the pair of sandwiching portions 52 are opened to be in an open state in which the resin header 12 can be received. When the resin header 12 is inserted between the other end portions of the sandwiched portion 52 in the open state and the resin header 12 is pushed into the base 54 side, one end portion of the sandwiched portion 52 is pushed, It rotates in the direction in which the other end approaches.

  An engagement piece 70 is formed at the other end (upper end) of one clamping part 52, and an engagement hole 72 for engaging the engagement piece 70 is formed at the other clamping part 52. As shown in FIG. 4, the other ends of the pair of sandwiching portions 52 approach each other, the engagement piece 70 engages with the engagement hole 72, and the resin header 12 is sandwiched between the sandwiching portions 52. Is closed, and the fixing member 50 is fixed to the resin header 12.

  Note that the holding portion 52 is biased in a direction in which the other end portions thereof are separated by the elastic force of the resin header 12 held by the holding portion 52, and the engagement piece 70 is engaged with the engagement hole 72. The combined state is maintained.

  On the other hand, as shown in FIG. 1, a reinforcing member 76 that suppresses the breakage of the resin header 12 is provided between the resin header 12 and the fixing member 50 along the longitudinal direction of the resin header 12.

  The reinforcing member 76 is provided along the longitudinal direction of the resin header 12, is supported by being placed on the pair of sandwiched portions 52 in the open state, and is sandwiched between the sandwiched portion 52 in the closed state and the resin header 12. The arc plate-like flange portion 78 is provided.

  Further, between the pair of flange portions 78, a reinforcing portion 80 connected to the edge portion of the flange portion 78 is provided. When viewed from the longitudinal direction of the reinforcing member 76, the reinforcing portion 80 has a rectangular shape with the resin header 12 side opened, and the cross section orthogonal to the longitudinal direction of the reinforcing member 76 has a hat shape with the upper side opened. Yes. And the reinforcement part 80 protrudes on the opposite side to the resin header 12 from between the one end parts of a pair of clamping part 52 mutually spaced apart in an open state and a closed state.

  The resin header 12, the reinforcing member 76 and the fixing member 50 constitute a resin header system 44.

(Action / Effect)
As shown in FIGS. 1 and 2A, the worker first fixes a plurality (two in the present embodiment) of the fixing members 50 in the open state at predetermined positions on the mounting surface 48. Specifically, the screw 46 is passed through the screw hole 62 formed in the bottom plate 56 of the fixing member 50, and the fixing member 50 is screwed to the mounting surface 48.

  Next, as shown in FIG. 2B, the resin header 12 is placed on the flange portion 78 of the reinforcing member 78.

  Next, as shown in FIG. 2C, the resin header 12 is placed on the reinforcing member 78, and this is approached to the fixed member 50 in the open state. The reinforcing portion 80 of the reinforcing member 78 protrudes downward from one end portion of the pair of spaced sandwiching portions 52, and the flange portion 78 of the reinforcing member 78 is placed on the pair of sandwiching portions 52.

  Further, when the resin header 12 is pushed toward the base portion 54 side, one end portion of the sandwiching portion 52 is pushed, and the other end portion of the sandwiching portion 52 rotates in a direction approaching. And the other end part of a pair of clamping part 52 approaches, the engagement piece 70 engages with the engagement hole 72, and the resin header 12 is shown in FIG. 4, FIG. 5 (A) (B). The flange portion 78 is sandwiched between the sandwiching portion 52 and the resin header 12 and the sandwiching portion 52 is closed. Thereby, the resin header 12 is fixed in a state where it floats from the mounting surface 48.

  In this manner, the flange portion 78 is sandwiched between the sandwiching portion 52 and the resin header 12 to fix the reinforcing member 76 integrally with the resin header 12, thereby preventing deformation of the resin header 12 due to an external load. Further, it is possible to suppress the breakage of the resin header 12 that is floated and fixed from the mounting surface 48.

Moreover, the workability | operativity at the time of pipe connection of a post process can be improved by floating and fixing the resin header 12 from the attachment surface 48. FIG.
Moreover, by making the reinforcing member 76 into a hat shape, the reinforcing member 76 can be formed by pressing or roll forming the plate member, and an inexpensive configuration can be achieved.

  Next, a resin header fixing structure 100 according to a second embodiment of the present invention will be described with reference to FIG. In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

As shown in FIGS. 9A and 9B, the reinforcing portion 104 of the reinforcing member 102 according to the second embodiment is not in a rectangular shape with the resin header 12 side open, but from the longitudinal direction of the resin header 12. As seen, the resin header 12 has a closed rectangular shape.
Thus, by making the resin header 12 side closed rectangular, the reinforcing member 102 can be formed by pultrusion molding or the like, and the bending rigidity of the reinforcing member 102 can be increased.

It is the disassembled perspective view which showed the fixation structure of the resin header which concerns on 1st Embodiment of this invention. (A) (B) (C) It is a schematic process drawing which fixes a resin header using the fixing structure of the resin header which concerns on 1st Embodiment of this invention. It is the expansion disassembled perspective view which showed the fixing structure of the resin header which concerns on 1st Embodiment of this invention. It is the perspective view which showed the state by which the resin header was fixed to the fixing structure of the resin header which concerns on 1st Embodiment of this invention. (A) (B) It is the side view and front view which showed the state by which the resin header was fixed to the fixing structure of the resin header which concerns on 1st Embodiment of this invention. It is the top view which showed the resin header fixed to the fixing structure of the resin header which concerns on 1st Embodiment of this invention. It is sectional drawing which showed the resin header fixed to the fixing structure of the resin header which concerns on 1st Embodiment of this invention. It is sectional drawing which showed the resin header fixed to the fixing structure of the resin header which concerns on 1st Embodiment of this invention. (A) It is the front view which showed the state by which the resin header was fixed to the fixing structure of the resin header which concerns on 2nd Embodiment of this invention. (B) It is the front view which showed the reinforcement member employ | adopted as the fixing structure of the resin header which concerns on 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Resin header fixing structure 12 Resin header 44 Resin header system 48 Mounting surface 50 Fixing member 52 Clamping part 54 Base part 76 Reinforcement member 78 Flange part 80 Reinforcement part 100 Resin header fixation structure 102 Reinforcement member 104 Reinforcement part

Claims (4)

A base portion standing from the mounting surface and one end side of the base portion are rotatably mounted, and the other end side contacts each other in the closed state to hold the resin header apart from the mounting surface and hold each other in the open state. A pair of holding portions that are spaced apart from each other to open the resin header and are spaced apart from each other, and a fixing member that is disposed at a predetermined interval and holds the resin header;
A flange portion provided along the longitudinal direction of the resin header, supported by the clamping portion and receiving the resin header, and provided along the longitudinal direction of the resin header, connected to the flange portion and spaced apart from each other A reinforcing member that protrudes from one end of the pair of clamping parts to the opposite side of the resin header, and a reinforcing member,
Resin header fixing structure with   The resin header fixing structure according to claim 1, wherein when the reinforcing portion of the reinforcing member is viewed from the longitudinal direction, the resin header side has a rectangular shape opened.   The resin header fixing structure according to claim 1, wherein when the reinforcing portion of the reinforcing member is viewed from the longitudinal direction, the resin header side has a closed rectangular shape. A resin header,
The resin header fixing structure according to any one of claims 1 to 3,
Resin header system with

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