JP2020186817A - Cleaning port joint - Google Patents

Abstract

To provide a lid body for a cleaning port joint, and a cleaning port joint using the lid body.SOLUTION: A cleaning port joint comprises: a joint body having pipe connection parts to which pipes are connected at both end parts and comprising a cleaning port part formed between the pipe connection parts; and a lid body 20 that comprises an insertion part to be inserted into the cleaning port part, an annular flange part 23 formed to extend radially outward from one end of the insertion part, and a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port part by rotating around a central axis of the insertion part, and that can be attached to the cleaning port part of the joint body. Inside the flange part 23, a knob part 50 formed in a cylindrical shape is formed. The lid body 20 is formed with a through hole 56 through which a string-shaped member 55 can be inserted. The through hole 56 of the lid body 20 is formed so as to be positioned toward the lower side of the lid body 20 in a closed state.SELECTED DRAWING: Figure 15

Description

The present invention relates to a lid of a cleaning port joint and a cleaning port joint.

In order to inspect and clean the inside of the pipe, a cleaning port joint equipped with a cleaning port that can be opened and closed by the lid is used. The lid of such a cleaning port joint is provided with protrusions or the like for opening and closing. When the lid is tightly tightened and cannot be opened by hand, the lid is also opened using a tool.

Patent Document 1 discloses a configuration in which a convex portion is provided on the lid, and a general-purpose tool such as a screwdriver or a monkey wrench can be hung on the convex portion to open and close the lid.

Further, Patent Document 2 discloses a lid having a bottomed cylindrical sealing portion. The lid has a grip portion that protrudes from the bottom surface of the sealing portion, and a jig hole for engaging a tool or the like is formed in the grip portion.

Japanese Patent No. 4280103 Design Registration No. 1385425

However, in the configuration disclosed in Patent Document 1, the convex portion protrudes from the lid. For this reason, it is necessary to secure a space around the cleaning port joint where the convex part can rotate and tools can be hung on the convex part. However, in recent years, the space for common parts and private parts of buildings has been widened. The pipe space for storing the pipes is shrinking, and it is difficult to provide a space for the cleaning port joint.

In the configuration disclosed in Patent Document 2, since the grip portion is formed in the bottomed cylindrical sealing portion, space saving can be achieved.
However, in order to open and close this lid with a tool, it is necessary to use a dedicated rod-shaped jig that can be inserted into a jig hole formed at the tip of the grip portion. In this case, it is costly and inconvenient to have to prepare a dedicated jig.
Therefore, the present invention provides a lid of a cleaning port joint that can be easily opened and closed using a general-purpose tool while saving space, and a cleaning port joint using the lid.

The present invention employs the following means in order to solve the above problems.
(1) The lid of the cleaning port joint according to the reference example of the present invention has an insertion portion inserted into the cleaning port portion and an annular flange portion formed so as to extend radially outward from one end of the insertion portion. And a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion, and the center of the flange portion in the flange portion. A pair of tool engaging grooves formed on both sides of the flange portion are provided, and the tool engaging grooves are formed on both sides of the flange portion in the circumferential direction. It is formed by a notch or a recess, and is provided with a pair of rising walls rising from the flange portion at intervals in the circumferential direction of the flange portion on both sides of the center of the flange portion, and inside the flange portion. Is characterized in that a knob portion formed in a flat tubular shape is formed, and the inner space of the knob portion is a tool insertion portion.
According to such a configuration, since the tool engaging groove is formed on both sides of the center of the flange portion, a rod-shaped tool such as a screwdriver shaft can be engaged with the tool engaging groove. , The lid can be rotated. Further, since the force of turning the tool is transmitted to the flange portion which is the outermost peripheral portion of the lid body, the lid body can be rotated with a light force.
Then, since it is sufficient to form a tool engaging groove having a depth sufficient to engage a rod-shaped tool such as a driver's shaft portion on the lid body, the protrusion dimension from the flange portion should be minimized. Can be done.
In addition, the lid can be rotated by engaging a tool between the pair of rising walls. The rising wall only needs to have a height sufficient to engage a rod-shaped tool, and the protrusion dimension from the flange portion of the lid can be minimized.
In addition, the grip portion can be gripped and the lid body can be rotated. It is also possible to rotate the lid by inserting the tool into the tool insertion portion and rotating the tool.

(2) The lid of the cleaning port joint according to the reference example of the present invention includes an insertion portion inserted into the cleaning port portion and an annular flange portion formed so as to extend radially outward from one end of the insertion portion. , A plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion, and the flange portion sandwiching the center of the flange portion. A pair of tool engaging grooves formed on both sides thereof are provided, and the tool engaging grooves are cut formed in a part of the flange portion in the circumferential direction on both sides of the center of the flange portion. It is characterized in that it is formed by a notch or a recess, a knob portion is formed inside the flange portion, and the tip of the knob portion is formed lower than the end surface of the flange portion.
(3) Further, the lid of the cleaning port joint according to the reference example of the present invention has an insertion portion to be inserted into the cleaning port portion and an annular flange formed so as to extend radially outward from one end of the insertion portion. A portion, a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion, and a center of the flange portion in the flange portion. A pair of tool engaging grooves formed on both sides of the flange portion are provided, and the tool engaging grooves are formed on both sides of the flange portion in the circumferential direction. It is formed by a notch or a recess, a knob is formed inside the flange, a knob is formed inside the flange, and the tip of the knob is the tool engagement groove. It is characterized in that it is formed at a height that does not interfere with the tool engaged with the flange.
(4) Further, the lid of the cleaning port joint according to the reference example of the present invention has an insertion portion inserted into the cleaning port portion and an annular flange formed so as to extend radially outward from one end of the insertion portion. A portion, a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion, and a center of the flange portion in the flange portion. A pair of tool engaging grooves formed on both sides of the flange portion are provided, and the tool engaging grooves are formed on both sides of the flange portion in the circumferential direction. A tool formed by a notch or a recess, and a knob is formed inside the flange, and the knob is wider than the tool engagement groove and inserted into the tool engagement groove. It is characterized in that it is in the form of a pair of two plates provided in parallel so as to sandwich the.

According to the lid of the cleaning port joint according to the above (2) to (4), since the tool engaging grooves are formed on both sides of the center of the flange portion, for example, the shaft portion of the driver or the like is rod-shaped. The lid can be rotated by engaging the tool with the tool engagement groove. Further, since the force of turning the tool is transmitted to the flange portion which is the outermost peripheral portion of the lid body, the lid body can be rotated with a light force.
Then, since it is sufficient to form a tool engaging groove having a depth sufficient to engage a rod-shaped tool such as a driver's shaft portion on the lid body, the protrusion dimension from the flange portion should be minimized. Can be done.
Further, it is possible to prevent the tool fitted in the concave portion of the flange from interfering with the knob portion.

(5) Further, the lid of the cleaning port joint according to the reference example of the present invention has an insertion portion to be inserted into the cleaning port portion and an annular flange formed so as to extend radially outward from one end of the insertion portion. A portion, a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion, and a center of the flange portion in the flange portion. A pair of tool engaging grooves formed on both sides of the flange portion are provided, and the tool engaging grooves are formed on both sides of the flange portion in the circumferential direction. It is formed by a notch or a recess, and a knob is formed inside the flange, and a notch for fitting a tool is provided between the tip of the knob and the pair of tool engagement grooves. It is characterized by being.
According to the lid of the cleaning port joint according to (5) above, since the tool engagement grooves are formed on both sides of the center of the flange portion, for example, a rod-shaped tool such as a screwdriver shaft can be used as a tool. The lid can be rotated by engaging with the joint groove. Further, since the force of turning the tool is transmitted to the flange portion which is the outermost peripheral portion of the lid body, the lid body can be rotated with a light force.
Then, since it is sufficient to form a tool engaging groove having a depth sufficient to engage a rod-shaped tool such as a driver's shaft portion on the lid body, the protrusion dimension from the flange portion should be minimized. Can be done.
Further, the tool fitted in the concave portion of the flange and the grip portion do not interfere with each other, and a short tool can be used.

(6) The cleaning port joint according to the reference example of the present invention has a pipe connecting portion to which pipes are connected at both ends, and has a joint main body provided with a cleaning port formed between the pipe connecting portions. The cleaning port portion is inserted into the cleaning port portion, the annular flange portion formed so as to extend radially outward from one end of the insertion portion, and the cleaning port portion by rotating around the central axis of the insertion portion. A plurality of engaging protrusions to be engaged with a plurality of engaging grooves provided with a terminal fixing portion for restricting the rotation of the lid formed in the flange portion, and formed on both sides of the flange portion with the center of the flange portion interposed therebetween. It is provided with a pair of tool engaging grooves and a lid body that can be attached to the cleaning port portion of the joint body, and a string-shaped member is inserted into the joint body and the lid, respectively. A possible through hole is formed, and the through hole of the joint body and the lid is formed at a position closer to the lower side.
According to the cleaning port joint according to (6) above, the lid can be rotated by engaging the rod-shaped tool with the tool engaging groove. In addition, the lid can be rotated with a light force. Moreover, since the lid body can minimize the protrusion dimension from the flange portion, it is possible to reduce the size of the cleaning port joint.
Further, the lid body and the joint body can be connected by inserting a string-shaped member through the through hole.
Also, it does not get in the way when rotating the lid. Further, when the lid body is removed from the cleaning port portion, the lid body can be hung below the cleaning port portion.

The cleaning port joint according to the present invention has a pipe connecting portion to which pipes are connected at both ends, and has a joint main body having a cleaning port formed between the pipe connecting portions and the cleaning port portion. An insertion portion to be inserted, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, and a plurality of portions formed in the cleaning port portion by rotating around the central axis of the insertion portion. It is provided with a plurality of engaging protrusions to be engaged with the engaging grooves of the joint body, and a lid body that can be attached to the cleaning port portion of the joint body, and the inside of the flange portion is tubular. A knob portion formed in the lid is formed, and a through hole through which a string-shaped member can be inserted is formed in the lid, and the through hole of the lid is a position closer to the lower side of the lid in the closed state. It is characterized in that it is formed so as to be.
The cleaning port joint according to the present invention has a pipe connecting portion to which pipes are connected at both ends, and has a joint main body having a cleaning port formed between the pipe connecting portions and the cleaning port portion. An insertion portion to be inserted, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, and a plurality of portions formed in the cleaning port portion by rotating around the central axis of the insertion portion. It is provided with a plurality of engaging protrusions to be engaged with the engaging grooves of the joint body, and a lid body that can be attached to the cleaning port portion of the joint body, and the inside of the flange portion is tubular. A knob portion formed in the joint body is formed, and a through hole through which a string-shaped member can be inserted is formed in the joint body and the lid body, and the through hole of the joint body is formed on the lower side of the cleaning port portion. It is characterized by being done.
The through hole of the lid may be provided on the outer periphery of the flange portion.
The longitudinal direction of the knob may be oriented horizontally.
The cleaning port joint according to the present invention has a main pipeline having a curved inner peripheral surface and pipe connecting portions to which pipes are connected to both ends of the main pipeline, and is formed between the pipe connecting portions. A joint body having a cleaning port portion, an insertion portion inserted into the cleaning port portion, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, and the insertion portion, etc. The closure plate provided at the end and a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion are provided. A lid body that can be attached to the cleaning port portion of the joint body is provided, and the closing plate of the lid body is the main pipe when the lid body is attached to the cleaning port portion and closed. It is formed by being curved so as to be continuous with the inner peripheral surface of the road, and has two openings of the engaging groove, and the two openings have the same width.
The cleaning port joint according to the present invention has a main pipeline having a curved inner peripheral surface and pipe connecting portions to which pipes are connected to both ends of the main pipeline, and is formed between the pipe connecting portions. A joint body having a cleaning port portion, an insertion portion inserted into the cleaning port portion, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, and the other end of the insertion portion. The joint is provided with a closing plate provided in the joint and a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the insertion portion. A lid body that can be attached to the cleaning port portion of the main body is provided, and the closing plate of the lid body is the main pipeline when the lid body is attached to the cleaning port portion and closed. The engaging protrusions and the engaging grooves, which are formed so as to be continuous with the inner peripheral surface of the cleaning port, are characterized in that the intervals in the circumferential direction of the cleaning port portion are unequal. ..
The tip of the knob portion may be formed so as to be located on substantially the same surface as the end surface of the flange portion.
Inside the insertion portion, a knob portion is formed on the lid body so as to protrude from the closing plate along the axial direction of the insertion portion, and the tip of the knob portion is substantially the same as the end surface of the flange portion. It may be formed so as to be located on the surface.
The lid of the cleaning port joint according to the present invention includes an insertion portion inserted into the cleaning port portion of the cleaning port joint, an engaging portion engaged with the engaged portion provided in the cleaning port portion, and the insertion portion. A closing plate for closing the portion and a knob portion provided on the closing plate are provided, and the engaging portion projects from the tip end portion of the cleaning port portion toward the opening side of the cleaning port portion. A first notch is formed in the portion where the engaging portion protrudes, a second notch is formed in the knob portion, and the first notch and the second notch are formed on the same diameter. It is possible to fit a rod-shaped member for rotating the lid into all of the first notch and the second notch, and the tip of the knob portion is substantially on the same surface as the end surface of the engaging portion. It is characterized in that it is formed so as to be located in.

According to the lid body of the cleaning port joint according to the present invention and the cleaning port joint using the same, space can be saved by minimizing the protrusion dimension from the flange portion of the lid body. Further, by engaging a rod-shaped tool such as a screwdriver shaft, that is, a general-purpose tool, with the tool engaging groove formed in the flange portion, the lid body can be easily opened and closed.

It is sectional drawing which shows the component structure of the cleaning port joint which concerns on this embodiment. It is a perspective view which shows the joint body of the cleaning port joint. It is the figure which looked at the cleaning port joint from the cleaning port side. It is sectional drawing which shows the state which made the lid body face | face the cleaning port part of a joint body. It is a figure which shows the lid which constitutes the cleaning opening joint, (a) is the perspective view which looked at the outside with the lid attached to the cleaning opening joint, (b) is the lid body as the cleaning opening joint. It is a perspective view seen from the side which becomes the inside of a pipe in the mounted state. It is a figure seen from the side which becomes the inside of a pipe with the lid body attached to the cleaning port joint. It is sectional drawing which shows the state which inserted the lid body into the cleaning port part of a joint body. It is a perspective view which looked at the state which inserted the lid body into the cleaning port part of a joint body from the inside of a joint body. It is sectional drawing which shows the closed state which attached the lid body to the cleaning port part of a joint body. It is a perspective view which looked at the closed state which attached the lid body to the cleaning port part of a joint body from the inside of a joint body. It is the figure which looked at the closed state which attached the lid body to the cleaning port part of a joint body, as seen from the cleaning port part side. It is a perspective view which showed the cleaning port joint provided with the lid body of another embodiment of this invention. It is a perspective view which showed the use state of the cleaning port joint provided with the lid body of another embodiment of this invention. It is a figure which looked at the cleaning port joint of another embodiment of this invention from the side of the cleaning port part. It is a figure which looked at the cleaning port joint of another embodiment of this invention from the cleaning port part side.

Hereinafter, with reference to the attached drawings, a lid of the cleaning port joint according to the present invention and a mode for carrying out the cleaning port joint using the lid will be described. However, the present invention is not limited to this embodiment.

FIG. 1 is a cross-sectional view showing a component configuration of a cleaning port joint according to the present embodiment. FIG. 2 is a perspective view showing a joint body of the cleaning port joint. FIG. 3 is a view of the cleaning port joint as viewed from the cleaning port side. FIG. 4 is a cross-sectional view showing a state in which the lid body faces the cleaning port portion of the joint body. 5A and 5B are views showing a lid body constituting the cleaning port joint, FIG. 5A is a perspective view of the lid body attached to the cleaning port joint and viewed from the outward side, and FIG. 5B is a perspective view of the lid body. It is a perspective view seen from the side which becomes the inside of a pipe in a state which is attached to a cleaning port joint. FIG. 6 is a view seen from the side inside the pipe with the lid body attached to the cleaning port joint.
As shown in FIG. 1, the cleaning port joint 10 is incorporated in a part of a drain pipe, and includes a joint main body 11, a lid body 20, and an annular packing 30.

As shown in FIGS. 1 to 4, the joint main body 11 integrally includes a main pipe member 12 and a cleaning port portion 13.
The main pipe member 12 is tubular and includes pipe connecting portions 12p and 12p at both ends to which pipes (not shown) connecting the drainage pipes are connected. In this embodiment, the main pipe member 12 has a straight shape in which one pipe connecting portion 12p and the other pipe connecting portion 12p are linearly arranged, but the main pipe member 12 may be curved or bent. Good.

The cleaning port portion 13 has a cylindrical shape and is connected to the main pipe member 12 between the pipe connecting portions 12p and 12p. The cleaning port portion 13 is formed so as to extend toward the side orthogonal to the axis L1 direction of the main pipe member 12. The pipeline 13k formed inside the cleaning port 13 communicates with the main pipeline 12k in the main pipe member 12.

In the cleaning port portion 13, an engaged portion 14 having an inner diameter larger than that of the pipeline 13k is formed on the inner peripheral surface of the tip portion 13s on the side separated from the main pipe member 12. A plurality of engaging grooves 15 are formed in the engaged portion 14 at intervals in the circumferential direction of the cleaning port portion 13.
Further, a receiving surface 16 orthogonal to the axial direction of the pipeline 13k is formed between the conduit 13k of the cleaning port 13 and the engaged portion 14.

As shown in FIG. 4, each engaging groove 15 has an opening 15a opened in the tip portion 13s of the cleaning port portion 13 and a main pipe member 12 side parallel to the axis L2 direction of the cleaning port portion 13 from the opening 15a. An introduction groove 15b extending toward the direction, a sliding groove 15c extending from the end of the introduction groove 15b on the main pipe member 12 side along the circumferential direction of the main pipe member 12, and a terminal fixing portion 15d formed at the end of the sliding groove 15c. And have.

The sliding groove 15c is formed so as to be inclined so as to gradually approach the main pipe member 12 from the introduction groove 15b side toward the terminal fixing portion 15d.
The end fixing portion 15d is formed so that the groove inner peripheral surface 15f on the tip end portion 13s side of the cleaning port portion 13 is orthogonal to the axial direction of the cleaning port portion 13.

In the present embodiment, the above-mentioned engaging grooves 15 are provided in three sets in the circumferential direction of the cleaning port portion 13.
Here, as shown in FIG. 3, one of the three sets of engaging grooves 15 has an opening 15a in the direction along the circumferential direction of the cleaning port 13 and a width W1 of the introduction groove 15b. The widths W2 of the openings 15a and the introduction grooves 15b of the two engaging grooves 15 are set to be larger than the width W2.

As shown in FIGS. 4, 5 and 6, the lid 20 integrally includes an insertion cylinder portion 21, an engaging portion 22, a flange portion 23, and a closing plate 24.

The insertion tube portion 21 has a cylindrical shape and has an outer diameter slightly smaller than the inner diameter of the pipe line 13k of the cleaning port portion 13 so that it can be inserted into the cleaning port portion 13.

The engaging portion 22 has a cylindrical shape with an enlarged diameter on the outer peripheral side of the insertion cylinder portion 21 on one end side of the insertion cylinder portion 21. The outer diameter of the engaging portion 22 is set to be larger than the inner diameter of the pipeline 13k of the cleaning port portion 13 and smaller than the inner diameter of the engaged portion 14. A step portion 25 located in a plane orthogonal to the axis of the insertion cylinder portion 21 is formed between the engaging portion 22 and the insertion cylinder portion 21.

As shown in FIG. 6, on the outer peripheral surface of the engaging portion 22, the same number of engaging protrusions 27 as the engaging grooves 15 are formed at intervals in the circumferential direction. In this embodiment, three engaging protrusions 27 are provided. The engaging projection 27 is formed so that the width of the engaging portion 22 along the circumferential direction is such that it can be inserted into the engaging groove 15. The width W3 of one of the three engaging protrusions 27 is set to be larger than the width W4 of the other two engaging protrusions 27.

As shown in FIGS. 4 and 5, the flange portion 23 is formed at the end portion of the engaging portion 22 opposite to the insertion cylinder portion 21 side, extending from the engaging portion 22 to the outer peripheral side. The outer diameter of the flange portion 23 is set to be larger than the inner diameter of the engaged portion 14.

The closing plate 24 is provided so as to close the opening on the other end side of the insertion cylinder portion 21. The closing plate 24 is formed so as to be continuous with the inner peripheral surface of the main pipeline 12k of the main pipe member 12 when the lid 20 is attached to the cleaning port 13 and closed as described later. ing. Further, the end portion on the other end side of the insertion cylinder portion 21 is formed in a shape along the outer peripheral portion of the closing plate 24.

As shown in FIG. 5A, in the lid body 20, a knob portion 26 for an operator to grasp when opening and closing the lid body 20 is provided inside the insertion cylinder portion 21. The knob portion 26 projects from the closing plate 24 along the axial direction of the insertion cylinder portion 21 inside the insertion cylinder portion 21.
The knob portion 26 is formed so that its tip portion 26s is located closer to the closing plate 24 than the flange portion 23. As a result, the tool engaged with the tool engaging groove 40 described later does not interfere with the knob portion 26. Further, since the knob portion 26 fits inside the insertion cylinder portion 21 of the lid 20 and the insertion cylinder portion 21 fits inside the cleaning port portion 13 of the cleaning port joint 10, space can be saved as a whole of the cleaning port joint 10.
In this embodiment, two knob portions 26 are arranged in pairs on both sides of the center of the insertion cylinder portion 21 along the diameter direction of the insertion cylinder portion 21.

The lid 20 includes a tool engaging groove 40.
The tool engaging groove 40 is formed of a notch 41 and a rising wall 42 formed in the flange portion 23 at positions facing each other with the central axis of the insertion cylinder portion 21 interposed therebetween.

The notch 41 is formed by notching a part of the flange portion 23 in the circumferential direction, is continuous in the diameter direction of the flange portion 23, and is formed with a width such as a shaft portion of a driver into which a general-purpose tool can be inserted. By forming the notch 41, the tip surface 21s of the insertion cylinder portion 21 is exposed inside the notch 41.

The rising walls 42 are provided in pairs along the circumferential direction of the flange portion 23 at intervals. The rising wall 42 is formed so as to rise from the flange portion 23 along both sides of the notch 41.
Here, the rising dimension of the rising wall 42 from the flange portion 23 is such that the sum of the thickness of the flange portion 23 and the rising dimension of the rising wall 42 is about 1/2 of the diameter dimension of the shaft portion of the driver that is expected to be used. It is preferable to set so as to be.

As shown in FIG. 4, in order to attach such a lid 20 to the cleaning port 13, the insertion tube 21 is inserted with the packing 30 interposed between the lid 20 and the cleaning port 13. It is inserted into the conduit 13k of the joint body 11 and the engaging portion 22 is engaged with the engaged portion 14 of the cleaning port portion 13. To engage the engaging portion 22 with the engaged portion 14, each engaging projection 27 is inserted into the engaging groove 15. At this time, since one of the opening portion 15a of the engaging protrusion 27 and the engaging groove 15 is formed to be wider than the other two, the lid 20 is predetermined with respect to the cleaning port portion 13. It is inserted in the correct orientation. As a result, when the lid 20 is closed as described later, the closing plate 24 of the lid 20 is continuous with the inner peripheral surface of the main pipe 12k of the main pipe member 12 so as not to protrude into the main pipe 12k. The lid 20 can be inserted into the lid.

FIG. 7 is a cross-sectional view showing a state in which the lid is inserted into the cleaning port 13 of the joint body 11. FIG. 8 is a perspective view of the state in which the lid 20 is inserted into the cleaning port 13 of the joint body 11 as viewed from the inside of the joint body 11.
As shown in FIGS. 7 and 8, when the lid 20 is pushed into the cleaning port 13 as it is, the engaging protrusion 27 moves along the introduction groove 15b of the engaging groove 15 and abuts at the end of the introduction groove 15b. Restricts the movement of the lid 20.
In a state where the lid body 20 is pushed into the insertion port portion 13 and inserted, the tip portion 21t and the closing plate 24 of the insertion cylinder portion 21 of the lid body 20 project into the main pipeline 12k.

Next, the lid 20 is rotated around the central axis L2 of the cleaning port 13. Then, the engaging projection 27 shown in FIG. 4 slides toward the terminal fixing portion 15d along the sliding groove 15c of the engaging groove 15 shown in the figure. As shown in FIG. 4, the sliding groove 15c is inclined so as to gradually approach the main pipe member 12 from the introduction groove 15b side toward the terminal fixing portion 15d, so that the engaging projection 27 slides and the terminal fixing portion 15d The lid body 20 is displaced toward the main pipe member 12 side toward.
At this time, as shown in FIG. 7, the packing 30 is sandwiched between the step portion 25 of the lid body 20 and the receiving surface 16 of the cleaning port portion 13, and the lid body 20 is displaced toward the main pipe member 12. It is gradually crushed as it is done.

FIG. 9 is a cross-sectional view showing a closed state in which the lid 20 is attached to the cleaning port 13 of the joint body 11. FIG. 10 is a perspective view of the closed state in which the lid 20 is attached to the cleaning port 13 of the joint body 11 as viewed from the inside of the joint body 11. FIG. 11 is a view of the closed state in which the lid 20 is attached to the cleaning port 13 of the joint body 11 as viewed from the cleaning port 13 side.
When the lid 20 is further rotated and the engaging projection 27 shown in FIG. 1 reaches the terminal fixing portion 15d of the engaging groove 15, further rotation of the lid 20 is restricted. As a result, the lid 20 is closed.

As shown in FIG. 9, in this closed state, the packing 30 has a predetermined compression ratio capable of exhibiting reliable water stopping property between the stepped portion 25 of the lid 20 and the receiving surface 16 of the cleaning port portion 13. The cleaning port portion 13 is compressed in the axial direction.
Further, in this closed state, due to the reaction force of the compressed packing 30, the engaging projection 27 is located on the groove inner peripheral surface 15f side of the cleaning port portion 13 on the tip portion 13s side in the terminal fixing portion 15d of the engaging groove 15. Is being pressed. Since the groove inner peripheral surface 15f is not inclined like the sliding groove 15c and is formed so as to be orthogonal to the axis L2 direction of the cleaning port portion 13, the engaging projection 27 is formed by the reaction force of the packing 30. It is possible to prevent the lid body 20 from loosening due to displacement toward the sliding groove 15c side.

When the lid 20 is closed as shown in FIGS. 9 and 10, the closing plate 24 of the lid 20 is continuous with the inner peripheral surface of the main pipe 12k of the main pipe member 12 and protrudes into the main pipe 12k. It is designed not to be done. As a result, it is possible to prevent sewage from accumulating at the lid 20 portion of the cleaning port joint 10 and causing a loss to the drainage flow in the main pipe line 12k.

To remove the lid 20 from the cleaning port 13, the lid 20 is rotated in the opposite direction to the above. When the lid 20 is rotated in the opposite direction, each engaging projection 27 of the lid 20 shown in FIG. 4 slides from the terminal fixing portion 15d of the engaging groove 15 along the sliding groove 15c.
When the engaging projection 27 shown in FIG. 4 reaches the introduction groove 15b of the engaging groove 15, further rotation of the lid 20 is restricted. Then, when the lid 20 is pulled out from the cleaning port portion 13, the engaging protrusion 27 slides along the introduction groove 15b of the engaging groove 15. Then, the lid 20 is removed from the cleaning port 13 by the engaging protrusion 27 being separated from the opening 15a.

When opening and closing the lid body 20 as described above, the operator can rotate the lid body 20 by grasping the knob portion 26 provided inside the insertion cylinder portion 21.
Further, when the lid 20 is opened from the closed state, the lid 20 is stuck to the cleaning port 13 because the lid 20 has been closed for a long period of time, or the engaging protrusion 27 is engaged in the engaging groove due to the reaction force of the packing 30. When the frictional force generated by being pressed against the groove inner peripheral surface 15f of the groove 15 is large, it may be difficult to rotate the lid 20 by grasping the grip portion 26. In such a case, as shown in FIG. 11, a rod-shaped tool T such as a screwdriver shaft is inserted into the notch 41 from between the rising walls 42 and 42 formed on both sides of the flange portion 23 in the radial direction. insert. Then, the shaft portion of the driver or the like is swiveled around the central axis of the insertion cylinder portion 21. Then, the force is transmitted from the tool T to the rising walls 42 and the notches 41 on both sides in the radial direction of the flange portion 23, and the lid 20 can be rotated.

According to the lid body 20 and the cleaning port joint 10 using the lid body 20 described above, the flange portion 23 is provided with a pair of tool engaging grooves 40 formed on both sides of the flange portion 23 with the center thereof interposed therebetween.
Since the tool engaging groove 40 is formed on both sides of the flange portion 23, for example, by engaging a rod-shaped tool T such as a screwdriver shaft with the tool engaging groove 40, the lid 20 Can be rotated. Further, since the handle of the tool T, which is the point of effort, is outside the flange portion 23, which is the outermost peripheral portion of the lid body 20, and is located at the position farthest from the central axis of the lid body 20, a light force is applied by the principle of leverage. It is possible to rotate the lid body 20 with. In this way, the lid 20 can be easily opened and closed by engaging a rod-shaped tool such as a screwdriver shaft, that is, a general-purpose tool.

Then, since the notch portion 41 and the rising wall 42 may be formed on the lid body 20 as the tool engaging groove 40, the protrusion dimension from the flange portion 23 can be minimized.
In this way, by minimizing the protrusion dimension of the lid 20 from the flange portion 23 and reducing the size, the cleaning port joint 10 can be reduced in size and space can be saved.

(Other embodiments)
The lid of the cleaning port joint of the present invention and the cleaning port joint using the same are not limited to the above-described embodiments described with reference to the drawings, and various modifications are made within the technical scope thereof. An example is possible.

For example, as shown in the above embodiment, a plurality of sets of tool engaging grooves 40 composed of a pair of notch portions 41 and a rising wall 42 may be provided at different angles in the circumferential direction of the flange portion 23. By providing the tool engaging groove 40 at different angles in the circumferential direction of the flange portion 23, even if a tool T having a large handle is used, the outer circumference of the pipe connecting portion 12p and the handle of the tool T interfere with each other to provide the tool T. It is possible to avoid being unable to engage with the tool engaging groove 40. Further, by providing a plurality of sets of tool engaging grooves 40, the tool T can be engaged at an angle that is easy to rotate according to the shape of the pipe space.

Further, although the tool engaging groove 40 is composed of a pair of notch portions 41 and a rising wall 42, the tool engaging groove 40 may be formed by only one of the notch portion 41 or the rising wall 42.

Further, the tool engaging groove 40 has a depth corresponding to the thickness of the flange portion 23 by notching a part of the flange portion 23 in the circumferential direction, but the depth is not limited to this. The tool engaging groove 40 may be formed by forming a recess in a part in the circumferential direction.

Further, the tool engaging groove 40 has a groove side surface on which the tool T hits the tip surface side of the flange portion 23 so that the tool does not come off carelessly when the lid 20 is rotated and the tool can be securely engaged. It may be inclined so as to protrude inward of the tool engaging groove 40 as it goes.

Further, in the above embodiment, the tool engaging grooves 40 are formed on both sides of the flange portion 23 with the center in between, but they are formed on both sides of the flange portion 23 with a point slightly distant from the center. May be good. By doing so, the outer circumference of the pipe connecting portion 12p and the handle of the tool T are less likely to interfere with each other.

Further, although it is said that the flange portion 23 is formed at the end portion of the engaging portion 22 opposite to the insertion cylinder portion 21 side so as to extend from the engaging portion 22 to the outer peripheral side, the outer peripheral portion is formed from the engaging portion 22. The engaging portion 22 does not extend to the side, and the engaging portion 22 protrudes toward the opening side of the cleaning opening portion 13 from the tip portion 13s of the cleaning opening portion 13, and a tool engaging groove 40 is formed in the portion where the engaging portion 22 protrudes. You may.

Further, in the above embodiment, the knob portion 26 is formed so that the tip portion 26s is located closer to the closing plate 24 than the flange portion 23 so that the tool T engaged with the tool engaging groove 40 does not interfere with the knob portion 26. However, the present invention is not limited to this, and the knob portion 26 may be provided so that the tip portion 26s of the knob portion 26 and the tool T do not overlap when the lid body 20 is viewed from the cleaning port side. For example, the knob portion 26 may be provided so as to be offset in the direction rotated around the central axis of the lid 20 with respect to the tool engaging grooves 40 provided on both sides of the flange portion 23 in the radial direction.

Further, it may be formed into a pair of two plates provided in parallel with a width wider than the tool engaging groove 40 so as to sandwich the inserted tool T. As a result, if the tool T to be engaged with the tool engaging groove 40 is accommodated between the pair of grip portions 26, 26, interference between the tool T and the grip portion 26 can be avoided.
When the interference between the tool T and the knob portion 26 can be avoided in this way, the tip portion 26s of the knob portion 26 may protrude beyond the flange portion 23, and the knob portions 26 are not paired with each other. The closing plate 24 may communicate with each other to form a single knob.

Further, the knob portion 26 is projected low from the closing plate 24 to such an extent that there is a gap between the tip portion 26s of the grip portion 26 and the tool engaged with the tool engaging groove 40 for the operator's hand to enter. May be good.
By doing so, when the opening of the pipe space or the pipe space itself is narrow and it is not possible to rotate by holding the handle of the tool T which is the outside of the flange portion 23, or when the lid 20 is further saved in space. Even when the knob portion 26 is made so small that it is difficult to reduce the protruding dimension of the lid and turn it with force, the lid body 20 can be rotated by grasping the tool T between the tool engaging grooves 40.

Further, for example, the engagement protrusion 27 and the opening 15a of the engagement groove 15 correctly regulate the direction in which the lid 20 is attached to the cleaning port 13 by forming one of the plurality of openings 15a wider than the other. However, the present invention is not limited to this, and one of the plurality of engaging protrusions 27 and the opening 15a may have a width and shape different from the others. Further, the lid 20 is attached to the cleaning port 13 by setting the installation intervals of the lid 20 and the cleaning port 13 in the circumferential direction to be unequal in the plurality of engaging protrusions 27 and the engaging grooves 15. You can correctly regulate the direction of doing.

When the engagement protrusion 27 and the opening 15a of the engagement groove 15 are two, the closing plate 24 and the inner peripheral surface of the main pipeline 12k of the pipe member 12 are continuous regardless of the mounting direction of the lid 20. , The engaging protrusion 27 and the opening 15a may have the same width. Further, even when the closing plate 24 has a shape in which the inner peripheral surface of the main pipeline 12k of the pipe member 12 is not continuous, the mounting direction of the lid 20 does not need to be particularly restricted, so that the engaging projection 27 and the opening The width of the portion 15a may be the same.

Further, the shape and the like of the engaging groove 15 is not limited to the configuration shown in the above embodiment, and other configurations may be appropriately adopted. For example, in the terminal fixing portion 15d of the engaging groove 15, the groove inner peripheral surface 15f is formed so as to be orthogonal to the axial direction of the cleaning port portion 13, so that the engaging projection 27 is displaced toward the sliding groove 15c side. The lid 20 is prevented from loosening, but the present invention is not limited to this. In the sliding groove 15c, a recess in which the engaging protrusion 27 is fitted may be formed on the inner peripheral surface of the groove on the tip portion 13s side of the cleaning port portion 13.
Further, a screw structure may be formed in which the engaging groove 15 and the engaging protrusion 27 are female threads and male threads, respectively.

Alternatively, as shown in FIG. 12, the knob portion 50 is flattened when viewed in the direction of the arrow (that is, when viewed from the protruding direction of the knob portion 50) instead of the knob portions 26, 26 of the above-described embodiment. A tool (see FIG. 13) 60 such as a wrench having a flat tubular shape and having a flat tip may be inserted into the inner space (tool insertion portion) S to open and close the lid 20.

In this case, for example, the second notches 51 and 51 can be formed at the tip 50a of the knob portion 50. By forming the second notches 51 and 51 in this way, it is possible to fit a tool shorter than a tool or the like to be fitted into the notches 41 and 41 formed in the flange portion 23 and rotate the lid 20. It will be possible. The second notches 51 and 51 are preferably formed on a diameter passing through the center of the flange portion 23.

Further, the knob portion 50 may be formed to have a smaller protruding dimension than the flange portion 23, or the tip end 50a may be formed on substantially the same surface as the end surface 23a of the flange portion 23.
The longitudinal direction of the knob 50 is oriented horizontally, the second notches 51 and 51 are formed on the same diameter as the notches 41 and 41, and the tip 50a of the knob 50 is a flange. It may be formed on substantially the same surface as the portion 23. In this case, it is possible to fit a rod-shaped member that rotates the lid 20 into any or all of the notches 41, 41 and the second notches 51, 51.

Further, as shown in FIGS. 12, 14 or 15, each of the lid 20 and the cleaning port 13 has through holes 56 and 57 through which a string-shaped member 55 such as a ball chain shown in FIG. 15 can be inserted. It should be formed.
In the lid body 20, the through hole 56 is preferably formed at a position closer to the lower side of the lid body 20 so as not to interfere with the rotation of the lid body 20 by fitting the rod-shaped members into the notches 41 and 41. ..

In the cleaning port portion 13, the through hole 57 may be formed on the lower side of the cleaning port portion 13, preferably at the lowest position.
By forming the through holes 56 and 57 in this way, when the lid 20 is removed from the cleaning port 13, the lid 20 can be suspended below the cleaning port 13 and the closing plate can be suspended. The effect that the lid material 20 whose surface on the pipeline side of the 24 is dirty does not have to be placed is not troubled. In addition, it is possible to prevent the lid body 20 from being accidentally dropped.

Further, by forming the through holes 56 and 57 at the above-mentioned positions, when the lid 20 is removed from the cleaning port 13, the lid 20 hangs below the cleaning port 13, so that the lid 20 is hung. The effect is that it can be prevented from interfering with the maintenance of the exhaust pipe.

In addition to this, as long as the gist of the present invention is not deviated, the configuration described in the above embodiment can be selected or changed to another configuration as appropriate.

10 Cleaning port joint 12p Pipe connection part 13 Cleaning port part 15 Engagement groove 20 Lid body 21 Insertion cylinder part (insertion part)
23 Flange part 27 Engagement protrusion 40 Tool engagement groove 41 Notch part 42 Rising wall 50 Knob part 56 Through hole 57 Through hole S Inner space (tool insertion part)

The present invention also relates to cleaning outlet fitting.

Claims (9)

A joint body having pipe connecting portions to which pipes are connected at both ends and having a cleaning port formed between the pipe connecting portions.
An insertion portion to be inserted into the cleaning port portion, an annular flange portion formed to extend radially outward from one end of the insertion portion, and the cleaning port portion by rotating around the central axis of the insertion portion. A lid body provided with a plurality of engaging protrusions to be engaged with a plurality of engaging grooves formed in the joint body and which can be attached to the cleaning port portion of the joint body.
With
A knob portion formed in a tubular shape is formed inside the flange portion.
A through hole through which a string-shaped member can be inserted is formed in the lid body.
A cleaning port joint characterized in that the through hole of the lid body is formed so as to be positioned toward the lower side of the lid body in the closed state. A joint body having pipe connecting portions to which pipes are connected at both ends and having a cleaning port formed between the pipe connecting portions.
An insertion portion to be inserted into the cleaning port portion, an annular flange portion formed to extend radially outward from one end of the insertion portion, and the cleaning port portion by rotating around the central axis of the insertion portion. A lid body provided with a plurality of engaging protrusions to be engaged with a plurality of engaging grooves formed in the joint body and which can be attached to the cleaning port portion of the joint body.
With
A knob portion formed in a tubular shape is formed inside the flange portion.
A through hole through which a string-shaped member can be inserted is formed in the joint body and the lid.
A cleaning port joint characterized in that the through hole of the joint body is formed on the lower side of the cleaning port portion. The cleaning port joint according to claim 1 or 2, wherein the through hole of the lid body is provided on the outer periphery of the flange portion. The cleaning port joint according to any one of claims 1 to 3, wherein the longitudinal direction of the knob portion is directed in the horizontal direction. A joint body having a main pipeline having a curved inner peripheral surface and pipe connecting portions to which pipes are connected to both ends of the main pipeline, and having a cleaning port formed between the pipe connecting portions. When,
An insertion portion to be inserted into the cleaning port portion, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, a closing plate provided at the other end of the insertion portion, and the insertion. It is provided with a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the portion, and can be attached to the cleaning port portion of the joint body. With the lid
With
The closing plate of the lid is formed so as to be continuous with the inner peripheral surface of the main pipeline when the lid is attached to the cleaning port and closed.
A cleaning port joint characterized in that the engagement groove has two openings and the two openings have the same width. A joint body having a main pipeline having a curved inner peripheral surface and pipe connecting portions to which pipes are connected to both ends of the main pipeline and having a cleaning port formed between the pipe connecting portions. ,
An insertion portion to be inserted into the cleaning port portion, an annular flange portion formed so as to extend radially outward from one end of the insertion portion, a closing plate provided at the other end of the insertion portion, and the insertion. It is provided with a plurality of engaging protrusions that are engaged with a plurality of engaging grooves formed in the cleaning port portion by rotating around the central axis of the portion, and can be attached to the cleaning port portion of the joint body. With the lid
With
The closing plate of the lid is formed so as to be continuous with the inner peripheral surface of the main pipeline when the lid is attached to the cleaning port and closed.
A cleaning port joint characterized in that a plurality of the engaging protrusions and the engaging grooves are spaced unequally apart in the circumferential direction of the cleaning port portion. The cleaning port joint according to any one of claims 1 to 4, wherein the tip of the knob portion is formed so as to be located on substantially the same surface as the end surface of the flange portion. Inside the insertion portion, the lid body is formed with a knob portion that protrudes from the closing plate along the axial direction of the insertion portion.
The cleaning port joint according to claim 5 or 6, wherein the tip of the knob portion is formed so as to be located on substantially the same surface as the end surface of the flange portion. Insertion part to be inserted into the cleaning port part of the cleaning port joint,
An engaging portion that engages with an engaged portion provided in the cleaning port portion,
A closing plate that closes the insertion portion and
The knob provided on the closing plate and
With
The engaging portion protrudes toward the opening side of the cleaning port portion from the tip end portion of the cleaning port portion, and a first notch is formed in the protruding portion of the engaging portion.
A second notch is formed in the knob,
The first notch and the second notch are formed on the same diameter.
It is possible to fit a rod-shaped member for rotating the lid into all of the first notch and the second notch.
A lid of a cleaning port joint, characterized in that the tip of the knob portion is formed so as to be located on substantially the same surface as the end surface of the engaging portion.

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