JP2010203553A - Pipe joint protective cover and pipe joint protection structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To cover various pipe joints different in size, shape, etc., with one kind of a cover body. <P>SOLUTION: In a pipe joint protection cover 10, various pipe joints such as straight type, L-shape, T-shape can be stored in the cover body 14 formed into a hollow shape. A connection means is provided in the periphery of a plurality of openings 20, 22, 24 formed in the cover body 14. The connection means can connect one cover body 14 and the other cover body 14 opposing the opening of the both with each other. Accordingly, the pipe joint stored in one cover body 14, and the pipe joint stored in the other cover body 14 can be connected via the opening. Thereby, for example, an elongated header 76 formed by connecting a plurality of pipe joints can be protected with a plurality of the cover bodies 14. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a pipe joint protective cover for protecting a pipe joint for connecting a plurality of pipes, and a pipe joint protection structure using the pipe joint protective cover.

  Conventionally, a protective cover for protecting a joint portion of a pipe embedded in the ground from corrosion is known (for example, see Patent Document 1).

Japanese Utility Model Publication No. 7-35879

  However, the protective cover as described above is set in size and shape so as to accommodate only one specific pipe joint (for example, a T-shaped pipe joint). For this reason, in order to cope with various pipe joints having different sizes and shapes, the types of protective covers must be increased. For example, when a plurality of pipe joints are connected and used as a header, the protective cover as described above cannot accommodate the entire header, so that a part of the header exposed to the outside of the protective cover touches the soil. It is not preferable for hygiene.

  In consideration of the above-mentioned facts, the present invention provides a pipe joint protective cover capable of protecting various types of pipe joints having different sizes and shapes with a single type of cover body, and a pipe joint protection structure using the pipe joint protective cover. The purpose is that.

  The pipe joint protective cover according to the invention described in claim 1 is capable of accommodating a pipe joint for connecting a plurality of pipes in a hollow portion provided therein, and a plurality of pipe joint protective covers communicated with the hollow portion. A cover main body having an opening formed therein, and a connecting means provided on the cover main body for connecting the one cover main body and the other cover main body with the opening facing each other. It is said.

  In the pipe joint protective cover according to the first aspect, the pipe joint can be accommodated in a hollow portion provided inside the cover main body. And the connection means provided in the cover main body connects one cover main body and another cover main body in a state where the openings face each other. Therefore, for example, a pipe joint housed inside one cover body and a pipe joint housed inside another cover body can be connected via the opening. Thus, since a pipe joint can be protected by a plurality of connected cover main bodies, various pipe joints having different sizes and shapes can be protected by one type of cover main body.

  A pipe joint protective cover according to a second aspect of the present invention is the pipe joint protective cover according to the first aspect, wherein the connecting means is provided at a peripheral edge of the opening.

  In the pipe joint protective cover according to claim 2, the cover main body is connected to another cover main body by connecting means provided at the peripheral edge of the opening. As described above, since the connecting means is provided at the peripheral edge portion of the opening, for example, a threaded structure of a male screw and a female screw, a male-female fitting type structure, or the like can be adopted, and the structure of the connecting means can be simplified. Can be a thing.

  A pipe joint protective cover according to a third aspect of the present invention is the pipe joint protective cover according to the first or second aspect, wherein the cover body is formed in a rectangular parallelepiped shape, and the plurality of openings are the cover. It is characterized by being formed on different surfaces of the main body.

  In the pipe joint protective cover according to the third aspect, the cover main body is formed in a rectangular parallelepiped shape, and a plurality of openings are formed on different surfaces of the cover main body. For this reason, when a plurality of cover main bodies are connected in a state where the respective openings face each other, the cover main bodies can be connected in an orderly manner.

  A pipe joint protective cover according to a fourth aspect of the present invention is the pipe joint protective cover according to any one of the first to third aspects, wherein the cover main body is provided on the cover main body, It has the water stop means which seals a connection part with the said cover main body of this.

  In the pipe joint protective cover according to the fourth aspect, the connecting portion between the one cover body and the other cover body is sealed by the water stop means. Therefore, it is possible to prevent the liquid (water, oil, etc.) contained in the soil from entering the inside of each cover body through the connecting portion in a state where these cover bodies are embedded in the soil.

  A pipe joint protective cover according to a fifth aspect of the present invention is the pipe joint protective cover according to any one of the first to fourth aspects, further comprising a closing cap capable of closing the opening. Yes.

  In the pipe joint protective cover according to the fifth aspect, the unused opening of the plurality of openings of the cover body can be closed by the closing cap. Thereby, it can prevent that a foreign material (liquid etc.) penetrate | invades into the inside of a cover main body through the opening which is not used.

  A pipe joint protective cover according to a sixth aspect of the present invention is the pipe joint protective cover according to the fifth aspect, wherein the closing cap has a pipe insertion portion into which the pipe can be inserted.

  In the pipe joint protective cover according to the sixth aspect, a pipe insertion portion capable of inserting the pipe into the closing cap for closing the opening of the cover main body is provided. For this reason, it can suppress that a foreign material penetrate | invades into the inside of a cover main body through opening which piping is inserted.

  A pipe joint protective cover according to a seventh aspect of the present invention is the pipe joint protective cover according to any one of the first to sixth aspects, wherein the pipe joint protective cover is rotatably mounted on the opening to close the opening. And it has the rotation cap provided with the piping insertion part which can insert the said piping in the position different from a rotation center.

  In the pipe joint protective cover according to the seventh aspect, the pipe insertion portion capable of inserting the pipe is provided in the rotary cap that closes the opening of the cover main body. For this reason, it can suppress that a foreign material penetrate | invades into the inside of a cover main body through the opening in which piping was inserted. And the piping insertion part of a rotation cap is provided in the position different from the rotation center of a rotation cap. Therefore, when there is misalignment between the pipe joint inside the cover body and the pipe inserted into the pipe insertion section, the relative position between the pipe joint and the pipe can be increased by rotating the rotating cap with respect to the cover body. Can be adjusted, and the positional deviation can be eliminated.

  The pipe joint protective cover according to an eighth aspect of the present invention is the pipe joint protective cover according to the sixth or seventh aspect, wherein the pipe insertion portion is in close contact with the outer peripheral surface of the inserted pipe. A water stop member that seals between the pipe and the pipe insertion portion is provided.

  In the pipe joint protective cover according to claim 8, the space between the pipe and the pipe insertion portion is sealed by the water stop member. For this reason, the liquid contained in the soil can be prevented from entering the inside of the cover body from between the pipe and the pipe insertion portion.

  According to a ninth aspect of the present invention, in the pipe joint protective cover according to any one of the first to eighth aspects, the cover body is provided with an openable / closable inspection port. It is characterized by having.

  In the pipe joint protective cover according to the ninth aspect, the pipe joint and the like inside the cover main body can be confirmed through the openable / closable inspection port. Accordingly, maintenance of the pipe joint and the like can be facilitated.

  According to a tenth aspect of the present invention, a pipe joint protection structure includes a plurality of pipe joint protection covers according to any one of the first to eighth aspects.

  In the pipe joint protection structure according to claim 10, since the cover bodies of a plurality of pipe joint protection covers can be connected to each other, various types of pipe joints having different sizes and shapes are protected by a single type of cover body. Can do.

  As described above, in the pipe joint protective cover and the pipe joint protective structure according to the present invention, various types of pipe joints having different sizes and shapes can be protected by one type of cover body.

It is a perspective view of the pipe joint protection cover concerning a 1st embodiment of the present invention. It is sectional drawing of the pipe joint protective cover shown by FIG. It is sectional drawing to which a part of FIG. 1 was expanded. It is sectional drawing to which a part of FIG. 1 was expanded. It is sectional drawing to which a part of FIG. 1 was expanded. It is sectional drawing for demonstrating the state by which the L-shaped pipe joint was accommodated in the inside of the cover main body of a pipe joint protective cover. It is sectional drawing for demonstrating the state by which the T-shaped pipe joint was accommodated in the inside of the cover main body of a pipe joint protective cover. It is a perspective view showing a pipe joint protection structure concerning a 1st embodiment of the present invention. It is sectional drawing for demonstrating the state with which the several cover main body was connected with linear form. It is a perspective view showing a pipe joint protection structure concerning a 1st embodiment of the present invention. It is sectional drawing for demonstrating the state with which the some cover main body was connected by L shape. It is sectional drawing which shows the connection part of a cover main body. It is sectional drawing which shows the 1st modification of the connection part of a cover main body. It is sectional drawing which shows the 2nd modification of the connection part of a cover main body. It is a perspective view of a pipe joint protection cover concerning a 2nd embodiment of the present invention. It is sectional drawing for demonstrating the mounting structure of the rotation cap of the pipe joint protective cover shown by FIG. It is sectional drawing which shows the modification of the mounting structure of a rotation cap. It is a perspective view which shows the modification of the pipe joint protective cover which concerns on 2nd Embodiment of this invention.

<First Embodiment>
Hereinafter, a pipe joint protection cover 10 according to a first embodiment of the present invention and a pipe joint protection structure 12 using the pipe joint protection cover 10 will be described with reference to FIGS. The pipe joint protection structure 12 according to the first embodiment has a configuration including a plurality of pipe joint protection covers 10 described below.

(Pipe joint protective cover 10)
As shown in FIGS. 1 and 2, the pipe joint protective cover 10 includes a cover body 14. The cover body 14 is formed in a hollow rectangular parallelepiped shape with a synthetic resin material or the like, and can accommodate pipe joints of various shapes such as a straight type, an L shape, and a T shape in the hollow portion 15 inside. The size is set as follows. Although schematically illustrated in FIG. 2, a straight type pipe joint 17 capable of connecting the pipe P <b> 1 and the pipe P <b> 2 is accommodated inside the cover main body 14.

  As shown in FIG. 1, a rectangular inspection port 16 (not shown in FIGS. 8 and 10) is formed in the front wall 14 </ b> A of the cover main body 14, and the cover main body 14 is connected via the inspection port 16. The inside can be checked. The inspection port 16 is closed by a lid 18 that can be attached to and detached from the front wall 14A, and the lid 18 and the front wall 14A are sealed by a packing (not shown) made of a rubber material or the like. . As another embodiment, the lid 18 may be rotatably connected to the front wall 14A via a hinge or the like.

  On the other hand, circular openings 20, 22, and 24 (through holes) are formed in the upper surface wall 14B, the right surface wall 14C, and the left surface wall 14D of the cover main body 14, respectively. These openings 20, 22, 24 communicate with the inside of the cover body 14 (hollow part 15). Therefore, various pipe joints can be inserted into the cover main body 14 through these openings 20, 22, 24.

  Cylindrical connection portions 26, 28, and 30 that protrude toward the outside of the cover main body 14 are provided at the peripheral portions of the openings 20, 22, and 24, respectively. Are configured such that substantially disc-shaped closing caps 32, 34, and 36 are connected (mounted). As a result, the openings 20, 22, 24 are closed by the closing caps 32, 34, 36.

  As shown in FIGS. 2 and 3, an internal thread 32 </ b> A is formed on the inner peripheral portion of the closing cap 32 connected to the connection portion 26 of the upper surface wall 14 </ b> B. Further, a male screw 26A (coupling means) is formed on the outer peripheral portion of the connecting portion 26, and the closing cap 32 is connected to the connecting portion 26 when the male screw 26A is screwed into the female screw 32A. ing.

  Further, an insertion groove 38 is formed at the end of the closing cap 32 on the opening side, and an O-ring 40 is fitted in the insertion groove 38. The O-ring 40 is in close contact with the upper surface wall 14 </ b> B in a state where the closing cap 32 is attached to the connection portion 26. Thereby, the gap between the closing cap 32 and the cover main body 14 is sealed.

  On the other hand, as shown in FIGS. 2 and 4, an internal thread 34 </ b> A similar to the internal thread 32 </ b> A of the closing cap 32 is formed on the inner peripheral portion of the closing cap 34 connected to the connection portion 28 of the right surface wall 14 </ b> C. . Further, a male screw 28A (coupling means) similar to the male screw 26A of the connecting portion 26 is formed on the outer peripheral portion of the connecting portion 28, and the male cap 28A is screwed to the female screw 34A, whereby the closing cap 34 is connected. It is connected to the unit 28. Since the female screw 32A and the female screw 34A have the same configuration as described above, and the male screw 26A and the male screw 28A have the same configuration, the closing cap 32 is attached to the right wall 14C, and the closing cap 34 is placed on the upper surface. It can also be attached to the wall 14B.

  As shown in FIG. 2, a cylindrical pipe insertion portion 42 into which the pipe P <b> 1 can be inserted is provided at the center of the closing cap 34. A circumferential groove 44 is formed in the inner circumferential portion of the pipe insertion portion 42, and an O-ring 46 is fitted in the circumferential groove 44. The O-ring 46 is brought into close contact with the outer peripheral surface of the pipe P1 inserted into the pipe insertion portion 42, whereby the space between the pipe insertion portion 42 and the pipe P1 is sealed.

  Further, as shown in FIG. 4, a fitting insertion groove 48 is formed at the end of the closing cap 34 on the opening side, and an O-ring 50 is fitted in the fitting insertion groove 48. The O-ring 50 is in close contact with the right wall 14 </ b> C in a state where the closing cap 34 is attached to the connection portion 28. Thereby, the gap between the closing cap 34 and the cover main body 14 is sealed.

  On the other hand, as shown in FIG. 5, a concave portion 54 is formed in the inner peripheral portion of the closing cap 36 connected to the connecting portion 30 of the left wall 14 </ b> D, and this concave portion is formed in the outer peripheral portion of the connecting portion 30. A convex portion 56 that fits into 54 is formed. Thereby, the closing cap 36 is connected to the connecting portion 30.

  As shown in FIG. 2, a cylindrical pipe insertion portion 58 into which the pipe P <b> 2 can be inserted is provided at the center of the closing cap 36. A circumferential groove 60 is formed in the inner circumferential portion of the pipe insertion portion 58, and an O-ring 62 is fitted in the circumferential groove 60. The O-ring 62 is brought into close contact with the outer peripheral surface of the pipe P2 inserted into the pipe insertion portion 58, whereby the space between the pipe insertion portion 58 and the pipe P2 is sealed.

  Further, as shown in FIG. 5, an insertion groove 64 is formed at the end of the closing cap 36 on the opening side, and an O-ring 66 is fitted in the insertion groove 64. The O-ring 66 is in close contact with the left wall 14 </ b> D with the closing cap 36 attached to the connection portion 30. Thereby, the gap between the closing cap 36 and the cover main body 14 is sealed.

  Furthermore, as shown in FIG. 5, an internal thread 30 </ b> A (coupling means) is formed on the inner peripheral portion of the connection portion 30 provided on the left surface wall 14 </ b> D. The female screw 30A is formed in a shape that can be screwed onto the male screw 26A and the male screw 28A. Furthermore, a fitting insertion groove 68 is formed at the distal end portion of the connection portion 30, and an O-ring 70 (water stop means) is fitted into the fitting insertion groove 68. The O-ring 70 slightly protrudes from the distal end surface of the connection part 30.

Next, the operation of the first embodiment will be described.
In the pipe joint protective cover 10 configured as described above, when the straight pipe joint 17 is housed and protected in the cover body 14, as shown in FIG. 2, a closing cap not provided with a pipe insertion portion is provided. 32 is attached to the connection part 26 of the upper surface wall 14B, and the opening 20 is closed. Then, the closing cap 34 provided with the pipe insertion part 42 is attached to the connection part 28 of the right side wall 14C, and the closing cap 36 provided with the pipe insertion part 58 is attached to the connection part 30 of the left side wall 14D. Thereby, the pipe P1 inserted in the pipe insertion part 42 and the pipe P2 inserted in the pipe insertion part 58 can be connected by the straight type pipe joint 17.

  On the other hand, when the L-shaped pipe joint 72 is housed and protected in the cover main body 14, as shown in FIG. 6, a closing cap 32 not provided with a pipe insertion portion is connected to the right side wall 14C. It attaches to the part 28 and the opening 22 is closed. Then, the closing cap 34 provided with the pipe insertion portion 42 is attached to the connection portion 26 of the upper surface wall 14B, and the closing cap 36 provided with the piping insertion portion 58 is attached to the connection portion 30 of the left surface wall 14D. Thereby, the pipe P1 inserted into the pipe insertion part 42 and the pipe P2 inserted into the pipe insertion part 58 can be connected by the L-shaped pipe joint 72.

  On the other hand, when the T-shaped pipe joint 74 is accommodated and protected in the cover main body 14, as shown in FIG. 7, two closing caps 34 provided with pipe insertion portions 42 are used. Good. In this case, the two closing caps 34 provided with the pipe insertion part 42 are respectively attached to the connection part 26 of the upper surface wall 14B and the connection part 28 of the right side wall 14C, and the closing cap 36 provided with the pipe insertion part 58 is provided. It is attached to the connecting portion 30 of the left wall 14D. Accordingly, the two pipes P1 inserted into the pipe insertion portions 42 of the two closing caps 34 and the pipe P2 inserted into the pipe insertion portion 58 can be connected by the T-shaped pipe joint 74.

  Thus, in the pipe joint protective cover 10 according to the present embodiment, various pipe joints can be accommodated in the cover body 14 and protected. Therefore, when the pipe joint is buried in the soil together with the pipe joint protective cover 10, it is possible to prevent the pipe joint from being damaged by an impact such as when dug from the soil.

  In addition, in this pipe joint protective cover 10, the space between the pipe insertion portion 42 and the pipe P <b> 1 is sealed by the O-ring 46, and the space between the pipe insertion portion 58 and the pipe P <b> 2 is sealed by the O-ring 62. For this reason, in a state where the pipe joint protective cover 10 is buried in the soil, the liquid (water, oil, etc.) contained in the soil can enter the inside of the cover body 14 via the pipe insertion portions 42 and 58. Can be prevented. Further, the closing caps 32, 34, and 36 can prevent foreign matter from entering the inside of the cover body 14 through the openings 20, 22, and 24, and the gap between the closing caps 32, 34, and 36 and the cover body 14 is O. Since sealing is performed by the rings 40, 50, 66 (see FIGS. 3 to 5), liquid can be prevented from entering the cover body 14 from between the closing caps 32, 34, 36 and the cover body 14.

  Further, in this pipe joint protective cover 10, since the pipes P1 and P2 are held by an appropriate holding force of the O-rings 46 and 62, when the bending load acts on the pipes P1 and P2 or the like, it is suspended in the cover main body 14. Even when the pipe joint in the state vibrates, it is possible to suppress the pipes P1 and P2 and the pipe joint from being overloaded. Thereby, damage to piping P1, P2 and a pipe joint can be prevented.

  Further, since the cover main body 14 is provided with the openable / closable inspection port 16, the cover main body 14 can be removed without removing the closing caps 32, 34, 36 from the cover main body 14 and disassembling the pipe joint protective cover 10. The state of internal pipe joints can be confirmed. Therefore, maintenance of the pipe joint can be facilitated.

  Furthermore, in the pipe joint protective cover 10 according to the present embodiment, the cover main bodies 14 can be connected to each other by screwing the female screw 30A of the cover main body 14 with the male screw 26A or the male screw 28A of the other cover main body 14. . Therefore, by using a plurality of pipe joint protection covers 10 as in the pipe joint protection structure 12 (see FIGS. 8 to 10) according to the present embodiment, the connection body (tubes) of the cover main body 14 connected in various shapes. Joint protection cover) can be formed.

  For example, as shown in FIGS. 8 and 9, if a plurality of cover main bodies 14 are linearly connected by screwing of an internal thread 30 </ b> A and an external thread 28 </ b> A, the inside of each cover body 14 communicates via openings 22 and 24. To do. Thereby, since the long pipe joint protective cover 75 can be formed, a long pipe joint like the header 76 can be accommodated in the pipe joint protective cover 75 and protected. Therefore, even when the header 76 is buried in the soil, the header 76 can be protected from impacts during digging, liquids contained in the soil, and the like (note that the header 76 is schematically illustrated in FIG. 9). is there).

  Further, as shown in FIGS. 10 and 11, a plurality of cover bodies 14 can be connected in an L shape to form an L-shaped pipe joint protective cover 78. Further, the openings 20, 22, 24 of each cover body 14 can be closed by the closing caps 32, 34, 36 as necessary. Thus, in this embodiment, since the shape of the pipe joint protective cover comprised by the some cover main body 14 can be changed freely, various pipe joints embed | buried in soil are one type of cover. It can be protected by the main body 14.

Moreover, in the present embodiment, the cover body 14 is formed in a rectangular parallelepiped shape, and the plurality of openings 20, 22, 24 are formed on different surfaces of the cover body 14. Therefore, when the plurality of cover main bodies 14 are connected in a state where the respective openings face each other, the cover main bodies 14 can be connected in an orderly manner.
Also, as shown in FIG. 12, the O-ring 70 provided in the connection part 30 of one cover body 14 comes into close contact with the other cover body 14, so that the connecting parts of these cover bodies 14 are sealed. . Therefore, it is possible to prevent liquid contained in the soil from entering the inside of each cover body 14 from the connecting portion between the cover bodies 14.

  In the first embodiment, the case where the connecting means of the cover main body 14 is constituted by the male screws 26A and 28A and the female screw 30A has been described. However, the present invention is not limited to this, and the configuration of the connecting means is appropriately changed. Can do. For example, as shown in FIG. 13, a fitting type coupling means may be employed. In the case of this configuration, the connecting portion 28 of one cover main body 14 is fitted inside the connecting portion 30 of the other cover main body 14, and the convex portion 80 provided on the outer peripheral portion of the connecting portion 28 is connected to the connecting portion. The two cover main bodies 14 are connected by fitting into a recess 82 provided in the inner peripheral portion of 30. Even in the case of this configuration, it is possible to seal between the two cover main bodies 14 by the O-ring 70 provided in the connection portion 30.

  Further, it is possible to employ a connecting means as shown in FIG. In this configuration, the connection portion 28 of one cover main body 14 is fitted inside the connection portion 30 of the other cover main body 14 and is inserted into a circumferential groove 83 formed in the outer peripheral portion of the connection portion 28. The two cover main bodies 14 are connected by the ring 84 being fitted into a circumferential groove 85 provided in the inner peripheral portion of the connecting portion 30. In the case of this configuration, the space between the two cover bodies 14 is sealed by the O-ring 84 that constitutes the connecting means. That is, since one O-ring 84 has two functions of the connecting means and the water stopping means, the configuration can be simplified. Note that the O-ring 84 may be fitted (attached) in the circumferential groove 85 of the connection portion 30. Further, any one of the circumferential grooves may be omitted.

  In the first embodiment, the male screws 26A and 28A and the female screws 30A as connecting means are provided at the peripheral portions of the openings 20, 22, and 24 of the cover main body 14, respectively. For example, a configuration in which hooks as connecting means are attached to the outer wall (front wall 14A, upper surface wall 14B, etc.) of the cover main body 14 and these cover main bodies 14 are connected by hooking the hooks to other cover main bodies 14 is used. It may be.

  In the first embodiment, the cover body 14 has three circular openings 20, 22, and 24. However, the present invention is not limited to this, and the number of openings formed in the cover body The shape can be changed as appropriate.

  Moreover, in the said 1st Embodiment, although the O-ring 70 provided in the front-end | tip part of the connection part 30 of the cover main body 14 was set as the water stop means, this invention is not limited to this, The configuration can be changed as appropriate. For example, a rubber packing attached to the distal end portion of the connection portion 30 of the cover main body 14 may be used as the water stop means.

  Moreover, in the said 1st Embodiment, although the O-rings 46 and 62 provided in the piping insertion parts 42 and 58 were demonstrated as a water stop member, this invention is not limited to this, Any device can be used as long as it can seal between the pipe insertion portion and the pipe, and can be changed as appropriate. For example, you may make it the structure which applies rubber packing, a deformation | transformation rubber ring, etc. as a water stop member.

  Next, a second embodiment of the present invention will be described. In addition, about the structure and operation | movement fundamentally similar to the said 1st Embodiment, the same code | symbol as the said 1st Embodiment is provided, and the description is abbreviate | omitted.

<Second Embodiment>
FIG. 15 is a perspective view of a pipe joint protective cover 90 according to the second embodiment of the present invention. The pipe joint protective cover 90 has basically the same configuration as the pipe joint protective cover 10 according to the first embodiment. However, in the cover main body 14 of the pipe joint protective cover 90, the connection portion 26 according to the first embodiment is omitted, and a disc-shaped rotation cap 92 is attached to the opening 20 of the upper surface wall 14B. Yes.

  As shown in FIG. 16, a convex portion 94 is formed on the outer peripheral portion of the rotating cap 92, and the convex portion 94 is fitted in a concave portion 96 formed on the inner peripheral portion of the opening 20. . Thereby, the rotation cap 92 is rotatably attached to the cover body 14. The rotation cap 92 can be attached to the cover body 14 with one touch. Further, a sealing material 98 made of rubber or the like is interposed between the outer peripheral portion of the rotating cap 92 and the inner peripheral portion of the opening 20, and the sealing material 98 seals between the rotating cap 92 and the opening 20. Has been. In other embodiments, the configuration shown in FIG. 17 may be used. In this configuration, the circumferential groove 104 is formed in the inner peripheral portion of the opening 20, and the peripheral groove 106 is formed in the outer peripheral portion of the rotation cap 92, and an O-ring 108 fitted in one of these peripheral grooves is provided. The rotation cap 92 is rotatably attached to the cover body 14 by fitting in the other circumferential groove. Also in this configuration, the rotation cap 92 can be attached to the cover body 14 with one touch, and the space between the rotation cap 92 and the opening 20 can be sealed by the O-ring 108.

  On the other hand, as shown in FIG. 15, a pipe insertion portion 100 into which the pipe P <b> 1 can be inserted is provided on the outer peripheral side of the upper surface of the rotation cap 92 (a position different from the rotation center of the rotation cap 92). The pipe insertion portion 100 has basically the same configuration as the pipe insertion portion 38 according to the first embodiment.

  In this embodiment, the position of the pipe insertion portion 100 relative to the cover body 14 can be changed by rotating the rotation cap 92 with respect to the cover body 14 (see arrow R in FIG. 15). Therefore, as shown in FIG. 15, when a long L-shaped pipe joint 102 is accommodated inside the cover body 14, the pipe P <b> 1 inserted into the pipe insertion portion 100 and the pipe joint 102 are connected. The relative position can be adjusted, and the positional deviation between them can be eliminated. Therefore, it is possible to cope with slightly different dimensions of pipe joints for each size.

  As shown in FIG. 18, the pipe insertion portion 100 may be provided on one end side in the longitudinal direction of the upper surface wall 14B (here, the right surface wall 14C side). Even in this case, the pipe P1 can be connected to the long L-shaped pipe joint 102 accommodated in the cover body 14, and the dimensions of the pipe joint can be slightly different for each size. .

DESCRIPTION OF SYMBOLS 10 Pipe joint protective cover 12 Pipe joint protective structure 14 Cover main body 15 Hollow part 16 Inspection port 20, 22, 24 Opening 26A Male thread (connection means)
28A Male thread (connecting means)
30A Female thread (connecting means)
32, 34, 36 Closing cap 42 Piping insertion section 46 O-ring (water blocking member)
58 Piping insertion part 62 O-ring (water stop member)
70 O-ring (water stop means)
92 Rotating cap 100 Piping insertion part

Claims (10)

A cover body in which a pipe joint for connecting a plurality of pipes can be accommodated in a hollow portion provided therein, and a plurality of openings communicating with the hollow portion is formed,
A connecting means provided on the cover body, for connecting the one cover body and the other cover body with the opening facing each other;
Pipe joint protective cover with.   The pipe joint protective cover according to claim 1, wherein the connecting means is provided at a peripheral edge of the opening.   The pipe joint protective cover according to claim 1 or 2, wherein the cover main body is formed in a rectangular parallelepiped shape, and the plurality of openings are formed on different surfaces of the cover main body.   4. The device according to claim 1, further comprising a water stop unit that is provided in the cover main body and seals a connecting portion between the one cover main body and the other cover main body. Fitting protective cover.   The pipe joint protective cover according to any one of claims 1 to 4, further comprising a closing cap capable of closing the opening.   The pipe joint protective cover according to claim 5, wherein the closing cap has a pipe insertion portion into which the pipe can be inserted.   The rotation cap provided with the pipe insertion part which can insert the pipe in the position different from the rotation center while being rotatably attached to the opening and closing the opening. The pipe joint protective cover according to any one of 6.   7. The water stop member which seals between the said piping and the said piping insertion part in contact with the outer peripheral surface of the said inserted piping is provided in the said piping insertion part, The Claim 6 or Claim characterized by the above-mentioned. Item 8. The pipe joint protective cover according to Item 7.   The pipe joint protective cover according to any one of claims 1 to 8, wherein the cover main body is provided with an openable and closable inspection port.   A pipe joint protection structure comprising a plurality of pipe joint protection covers according to any one of claims 1 to 9.

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