Water receiving device for piping

Abstract

The present invention provides a water receiving device for piping that can be installed even after piping has been installed and that can prevent water leakage from the parts that have been separated for the purpose of installation. [Solution] The water receiving device 41 for piping is attached to the outer circumference of the resin pipe and forms an annular shape surrounding the outer circumference of the resin pipe to receive leaked water flowing along the surface of the resin pipe. The water receiving device 41 for piping includes a water receiving groove 60 extending in the circumferential direction and a dam portion 66 provided so as to break the annular shape of the water receiving groove 60. A cutting portion 63 is formed in the dam portion 66, and the dam portion 66 can be cut and separated into a first dam portion 68 located on one side in the circumferential direction and a second dam portion 69 located on the other side in the circumferential direction.

Description

Technical Field

[0001] The present invention relates to a water receiver for pipes, which is used to receive water leakage passing through the surface of a pipe member.

Background Art

[0002] Patent Document 1 (see particularly FIG. 3) discloses a water collector of a water leakage receiver that can be attached to a main water supply pipe after the piping of the main water supply pipe and can surround the entire circumference of the main water supply pipe. This water collector has a cut that leads to an attachment hole through which the main water supply pipe is inserted, so that the main water supply pipe is guided from the cut into the attachment hole. Further, even for a water receiver for pipes without a cut on the premise of attachment before piping, an operator can cut the water receiver for pipes to form a cut like that of the water collector, enabling attachment after piping.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when there is a cut in the portion that receives water leakage like the water collector, there is a problem that the received water leaks from the cut.

[0005] An object of the present invention is to provide a water receiver for pipes that can be attached even after piping and can prevent water leakage from a portion that can be separated for such attachment.

Means for Solving the Problems

[0006] To achieve the above objective, the invention of claim 1 is a pipe water receiving device that is attached to a piping member and forms an annular shape surrounding the outer circumference of the piping member to receive leaking water flowing along the surface of the piping member, comprising a water receiving groove extending in the circumferential direction and a dam portion provided so as to break the annular shape of the water receiving groove, wherein the dam portion has a portion that is intended to be cut and separated into a first dam portion located on one side in the circumferential direction and a second dam portion located on the other side in the circumferential direction.

[0007] The invention of claim 2 is as described in claim 1, wherein the portion to be cut is formed on the top surface of the dam portion, and each of the first dam portion and the second dam portion has a side surface facing the water receiving groove that is inclined from the top surface toward the water receiving groove.

[0008] The invention of claim 3 is that, in claim 1 or claim 2, the embankment portion protrudes from the water receiving groove. [Brief explanation of the drawing]

[0009] [Figure 1] Disassembled perspective view of a water supply outlet. [Figure 2] A perspective view showing the installation of a water receiving device for piping. [Figure 3] Perspective view of a water receiving device for piping. [Figure 4] Front view of a water receiving device for piping. [Figure 5] Rear view of a water receiving device for piping. [Figure 6] Right side view of a water receiving device for piping. The left side view is shown symmetrically to the right side view. [Figure 7] Plan view of a water receiving device for piping. [Figure 8] Bottom view of a water receiving device for piping. [Figure 9] This is a cross-sectional view corresponding to line AA in Figure 7, showing the state in which the embankment section has been cut. [Figure 10] Figure 7 shows a cross-sectional view of line BB. [Modes for carrying out the invention]

[0010] The following describes one embodiment of the present invention, which is embodied in a water receiving device for piping used in a water supply outlet for supplying water to a washing machine.

[0011] As shown in Figure 1, an opening 12 is provided in the faucet mounting wall 11 inside the building. An electrical outlet body 14 is attached to a column 13 located inside the faucet mounting wall 11 by multiple screws 65.

[0012] The outlet body 14 is formed in the shape of a bottomed rectangular box. A rectangular frame portion 15 is provided around the opening of the outlet body 14, which abuts against the inner surface of the faucet mounting wall 11. On the end face of the rectangular frame portion 15 on the faucet mounting wall 11 side, a protruding frame portion 16 is provided, which is inserted into the opening 12 of the faucet mounting wall 11. Support cylinder portions 18, each having a female thread 17 in the center, are provided at the four corners of the protruding frame portion 16. Multiple reinforcing ribs 19 are formed to protrude from the outer circumferential surface of the outlet body 14, extending parallel to each other.

[0013] A rectangular plate-shaped outer member 30 is positioned on the outer side of the faucet mounting wall 11 and is attached to the outlet body 14 by male screws 26. At each of the four corners of the outer member 30, there is an outer cylindrical portion 32 with a through hole 31 in the center. The through hole 31 of the outer member 30 corresponds to the female screw 17 of the outlet body 14.

[0014] A support hole 33 is provided in the upper part of the outer surface member 30, and the outer end of the faucet fitting 23, which is housed in the outlet body 14, is configured to protrude through it. Multiple engagement holes 48 are opened in the frame portion 30b of the outer surface member 30.

[0015] On the side of the outer member 30 opposite to the faucet mounting wall 11, a cover member 43 that covers the outer member 30 is detachably arranged. That is, a plurality of engaging protrusions 49 project from the end face on the side of the faucet mounting wall 11 of the cover member 43 and are detachably engaged with the engaging holes 48 of the outer member 30. In this cover member 43, a first opening 44 for mounting the stop coupler 40 of the faucet joint 23 and a second opening 45 for mounting the handle 39 are opened.

[0016] A pair of through holes 35 are formed in the bracket 34 of the faucet joint 23 housed in the outlet body 14, and screws 36 are inserted through these through holes 35 and screwed into the screw holes 25 of the outlet body 14 so that the faucet joint 23 is fixed to the outlet body 14. One end of the faucet joint 23 is such that a resin pipe 21 made of cross-linked polyethylene covered with a sheath tube 20 is connected (one-touch connection) by a one-push operation in a joint portion 38 extending downward.

[0017] The other end of the faucet joint 23 extends obliquely upward and a ball valve (not shown) is provided inside. A handle 39 is connected to the ball valve via a spindle 37, and water supply or stop can be performed by rotating the handle 39.

[0018] At the center of the bottom wall 14a provided on the outlet body 14, a cylindrical tube portion 22 into which the resin pipe 21 covered with the sheath tube 20 is inserted is provided. The resin pipe 21 is connected to a water supply source (not shown) and water is supplied.

[0019] As shown in Fig. 2, a water receiving fitting 41 for piping is arranged below the faucet joint 23 so as to surround the resin pipe 21. The water receiving fitting 41 for piping is configured to receive the leaked water from the faucet joint 23 that travels on the surface of the resin pipe 21 and discharge the received leaked water from itself. In the outlet body 14, a water leakage guiding groove 24 for receiving the leaked water discharged from the water receiving fitting 41 for piping is provided on the faucet mounting wall 11 side rather than the cylindrical portion 22 (see Fig. 1) of the bottom wall 14a. This water leakage guiding groove 24 is formed in a V-shaped cross section such that the central portion is slightly lower. The water leakage guiding groove 24 is formed in an inclined shape that is slightly lower toward the outer surface side.

[0020] As shown in Fig. 1, a notch 46 is provided at the bottom 30a of the outer surface member 30. Therefore, the water that leaks from the faucet joint 23 and travels on the surface of the resin pipe 21 flows into the notch 46 through the water receiving fitting 41 for piping and the water leakage guiding groove 24. The leaked water that has flowed into the notch 46 flows out to the outer surface of the faucet mounting wall 11 from between the outer surface member 30 and the cover member 43, so the occurrence of water leakage can be easily visually confirmed.

[0021] Now, as shown in Figs. 3 to 8, the water receiving fitting 41 for piping has an annular bottom wall 51, a cylindrical tube portion 52 provided at the center of the bottom wall 51 through which the resin pipe 21 is inserted, and a side wall 53 surrounding the bottom wall 51. The water receiving fitting 41 for piping is integrally formed by injection molding or a three-dimensional printer using a synthetic resin material such as polyethylene resin.

[0022] The inner diameter of the tube portion 52 is set according to the outer diameter of the resin pipe 21. The tube portion 52 includes an upper tube portion 54 extending from the upper surface of the bottom wall 51 and a lower tube portion 55 extending from the lower surface of the bottom wall 51. The outer diameter of the upper tube portion 54 is smaller than the outer diameter of the lower tube portion 55.

[0023] The bottom wall 51 is rectangular in shape overall. Of the four sides, the front side is bulging out to form a partial circle. The side wall 53 has a nearly constant thickness around its entire circumference and comprises a curved front portion 56, a pair of straight-extending side portions 57, and a rear portion 58. A lower side wall portion 59 is provided in the circumferential central portion of the front portion 56, extending downward from the bottom wall 51.

[0024] A water receiving groove 60 is provided circumferentially on the upper surface of the piping water receiving device 41 to catch leaked water that flows from the faucet fitting 23 and runs along the surface of the resin pipe 21. The water receiving groove 60 is formed by the upper surface of the bottom wall 51, the outer surface of the upper cylindrical portion 54, and the inner surface of the side wall 53.

[0025] A drainage channel 61 is provided on the outer circumferential surface of the front portion 56 of the side wall 53, in the central part in the circumferential direction. The drainage channel 61 extends vertically on the outer circumferential surface of the lower side wall portion 59 and is connected to a water receiving groove 60 at the base end of the lower side wall portion 59, so that water leaking from the water receiving groove 60 flows into the drainage channel 61. The bottom wall 51 has a slope from the back side to the front side so that water flows towards the connection portion with the drainage channel 61.

[0026] The water receiving device 41 for piping is positioned so that the lower end surface of the lower wall portion 59 abuts against the water leakage guide groove 24 of the outlet body 14 (see Figure 2). The drainage groove 61 discharges the water that has leaked in from the water receiving groove 60 into the water leakage guide groove 24 of the outlet body 14.

[0027] The water receiving device 41 for piping can be installed on a resin pipe 21 that has already been piped (connected to a faucet fitting 23) by cutting the annular portion of the water receiving device 41 and then expanding the cut portion using the elasticity of the water receiving device 41. On the rear side of the cylindrical portion 52 of the water receiving device 41, there is a cutting section 63 for cutting the annular portion of the water receiving device 41.

[0028] The section to be cut 63 is provided in a straight line from the central part of the back portion 58 of the side wall 53 to the cylindrical portion 52. As shown in Figures 8 and 10, a guide groove 64 is formed along the section to be cut 63 on the back side of the section to be cut 63 on the lower surface of the bottom wall 51. Since a cutter is recommended as the tool used to cut the water receiving device for piping 41, it is preferable that the guide groove 64 be set narrow enough for the cutter blade to be inserted. The width of the guide groove 64 is set to, for example, 0.7 mm to 1 mm.

[0029] The guide groove 64 is provided extending from the central part of the back portion 58 of the side wall 53 to the lower cylindrical portion 55 of the cylindrical portion 52. The guide groove 64 is open on the back portion 58 side. The end of the guide groove 64 on the cylindrical portion 52 side does not reach the inner circumferential surface of the cylindrical portion 52. As a result, the inner circumferential surface of the cylindrical portion 52, which is the surface that contacts the resin pipe 21, is not affected by the formation of the guide groove 64, such as the generation of burrs. The plate thickness of the section 63 to be cut in the guide groove 64 is reduced by the depth of the guide groove 64.

[0030] A V-shaped notch 65 is provided on the back of the bottom wall 51, centered on the section to be cut 63 in a plan view. The opening width of the notch 65 is set to be between 0.5 and 1 times the inner diameter of the cylindrical section 52. The notch 65 is used to guide the resin pipe 21 to the section to be cut 63 from the outside, improving the ease of attaching the water receiving device 41 for piping and preventing damage to the resin pipe 21.

[0031] As shown in Figures 7 and 9, a dam portion 66 is provided in the water receiving groove 60 at the position of the planned cutting portion 63, so as to break the annular shape of the water receiving groove 60. The dam portion 66 extends linearly from the central part of the back portion 58 of the side wall 53 to the upper cylindrical portion 54 of the cylindrical portion 52, and its cross-section is a symmetrical trapezoidal shape. The width of the top surface 67 of the trapezoidal shape is preferably 1.5 mm or less, for example, 0.5 mm.

[0032] At the bottom surface of the water receiving channel 60, the peripheral bottom surface 62, which is adjacent to the embankment 66, has a slope such that water flows from the embankment 66 toward the side surface 57 of the side wall 53. The peripheral bottom surface 62 is provided over the entire area that overlaps with the upper cylindrical portion 54 of the cylindrical portion 52 when viewed from the front.

[0033] The section to be cut 63 is formed on the top surface 67 of the embankment 66, allowing the embankment 66 to be cut and separated into a first embankment 68 located on one side in the circumferential direction of the water receiving groove 60 and a second embankment 69 located on the other side in the circumferential direction.

[0034] In both the first dam section 68 and the second dam section 69, the side surface 70 facing the water receiving groove 60 is an inclined surface extending from the top surface 67 towards the water receiving groove 60. The width of the side surface 70 is greater than the width of the top surface 67 in each case.

[0035] As shown in Figure 9, the top surface 67 of the embankment 66 protrudes from the water receiving groove 60. The upper cylindrical portion 54, which constitutes the radially inner wall surface of the water receiving groove 60, has a top surface height that is higher than the top surface height of the side wall 53, which constitutes the radially outer wall surface of the water receiving groove 60. The top surface 67 of the embankment 66 is the same height as the top surface height of the upper cylindrical portion 54. The width W1 of the portion of the embankment 66 that protrudes from the water receiving groove 60 is greater than the width W2 of the guide groove 64.

[0036] As shown in Figure 2, the water receiving device 41 for piping is attached to the resin pipe 21 inserted into the outlet body 14. To attach the water receiving device 41 to the resin pipe 21 before the faucet fitting 23 is connected, the end of the resin pipe 21 inserted into the outlet body 14 is inserted into the water receiving device 41 in the order of the lower cylindrical part 55 to the upper cylindrical part 54.

[0037] Furthermore, in order to attach the water receiving device 41 to the resin pipe 21 after the faucet fitting 23 has been connected, the portion to be cut 63 is cut with a cutter or the like to form a notch that connects the outside of the water receiving device 41 to the inside of the cylindrical portion 52. Next, the elasticity of the water receiving device 41 is used to expand the notch, thereby positioning the resin pipe 21 inside the cylindrical portion 52 through the notch.

[0038] As described in detail above, the water receiving device 41 for piping in this embodiment has a dam portion 66 in the water receiving groove 60, and a cutting portion 63 is formed in the dam portion 66. That is, the upper end of the cut formed by cutting at the cutting portion 63 is located in the dam portion 66. Therefore, compared to the case where the upper end of the cut is formed at the bottom of the water receiving groove 60 (upper surface of the bottom wall 51), water leakage from the cut can be suppressed.

[0039] Furthermore, since the planned cutting section 63 is formed on the top surface 67 of the embankment section 66, the upper end of the cut formed by cutting at the planned cutting section 63 is located on the top surface 67. Leakage received on the top surface 67 is guided to the water receiving groove 60 by the slope of the side surface 70. Therefore, water is less likely to accumulate on the cut, and leakage from the cut can be further suppressed.

[0040] When the amount of water leaking along the surface of the resin pipe 21 increases, water accumulates in the water receiving groove 60. The water that accumulates around the section to be cut 63 is dammed up by the first dam section 68 and the second dam section 69 of the dam section 66.

[0041] Here, the first dam section 68 and the second dam section 69 of the dam section 66 each protrude from the water receiving groove 60. Therefore, even if water accumulates up to the upper height limit of the water receiving groove 60, the first dam section 68 and the second dam section 69 of the dam section 66 maintain a state of damming the water, and the accumulated water does not reach the top surface 67 of the dam section 66, thus preventing water leakage from the cut made at the planned cutting section 63 of the top surface 67.

[0042] Furthermore, the width W1 of the portion of the embankment 66 that protrudes from the water receiving groove 60 is greater than the width W2 of the guide groove 64. Therefore, no matter where in the width direction of the guide groove 64 the pipe water receiving device 41 is cut, the upper end of the cut will be located in the portion of the embankment 66 that protrudes from the water receiving groove 60, thus preventing water leakage from the cut.

[0043] Furthermore, a guide groove 64 is formed on the underside of the bottom wall 51 on the back side of the portion to be cut 63, and the thickness of the portion to be cut 63 is reduced by the depth of the guide groove 64. Therefore, it is possible to suppress the difficulty in cutting the portion to be cut 63 due to the increase in plate thickness caused by the provision of the embankment portion 66. In addition, during the cutting process, the cutter blade is guided by the guide groove 64, which prevents the formation of cuts in locations other than the embankment portion 66.

[0044] Furthermore, a V-shaped notch 65 is provided on the back of the bottom wall 51, centered on the section to be cut 63 when viewed from above. Therefore, the length of the section to be cut 63 is reduced by the depth of the notch 65, making the cutting work easier.

[0045] <Variation> The above embodiment can also be modified as follows, for example. ○The dam section 66 should not protrude from the water receiving groove 60. ○The section to be cut 63 (embankment section 66) may be provided at any position in the circumferential direction of the water receiving groove 60. For example, it may be provided on the side section 57 or extending from the front section 56 to the cylindrical section 52.

[0046] ○ The cross-sectional shape of the dam section 66 shall be other than trapezoidal. For example, it may be triangular or rectangular in cross-section. Remove notch 65. Remove the guide groove 64. ○The part to be cut should be pre-cut at the planned cutting section 63. ○ To enable attachment to piping components other than resin pipes 21.

[0047] (Note) The technical concepts that can be understood from the above embodiments are described below. (1) A pipe water receiving device that is attached to a piping member and forms an annular shape surrounding the outer circumference of the piping member to receive leaked water flowing along the surface of the piping member, comprising a water receiving groove extending in the circumferential direction and a dam portion provided so as to break the annular shape of the water receiving groove, wherein the dam portion has a notch formed therein that allows it to be separated into a first dam portion located on one side in the circumferential direction and a second dam portion located on the other side in the circumferential direction.

[0048] (2) The notch is formed on the top surface of the dam portion, and the side surface of the first dam portion and the second dam portion facing the water receiving groove is provided with an inclined surface from the top surface toward the water receiving groove, as described in technical concept (1).

[0049] (3) The embankment portion protrudes from the water receiving groove, a water receiving device for piping as described in technical concept (1) or technical concept (2). [Explanation of Symbols]

[0050] 21... Resin pipe as a piping component, 41... Water receiving device for piping, 51... Bottom wall, 52... Side wall of cylindrical section, 53... Side wall, 54... Upper cylindrical section, 55... Lower cylindrical section, 56... Front section, 57... Side section, 58... Rear section, 59... Lower side wall section, 60... Water receiving groove, 61... Drainage groove, 62... Peripheral bottom surface, 63... Section to be cut, 64... Guide groove, 65... Notch, 66... ​​Embankment section, 67... Top surface, 68... First embankment section, 69... Second embankment section, 70... Side view.

Claims

1. A water receiving device for piping, which is attached to a piping member and forms an annular shape surrounding the outer circumference of the piping member to receive leaked water flowing along the surface of the piping member, A water receiving groove extending in the circumferential direction, A dam section is provided so as to break the annular shape of the aforementioned water receiving channel. Equipped with, The aforementioned dam portion has a section formed in it that is intended to be cut and separated into a first dam portion located on one side in the circumferential direction and a second dam portion located on the other side in the circumferential direction.

2. The water receiving device for piping according to claim 1, wherein the portion to be cut is formed on the top surface of the dam portion, and the side surface of the first dam portion and the second dam portion facing the water receiving groove is provided with an inclined surface extending from the top surface to the water receiving groove.

3. The water receiving device for piping according to claim 1 or claim 2, wherein the embankment portion protrudes from the water receiving groove.

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