JP3050875B1 - Universal fittings - Google Patents

Abstract

The present invention provides a universal pipe joint that allows a public tub to be easily connected to a buried pipe to be connected, allows the public tub to be arranged at an appropriate position, and prevents storage of drainage. A vertical surface (25) of a second joint body (11) is slidably joined to a vertical surface (17) of a first joint body (10). Second joint body 11
The third inclined plane 35 is inclined more than the second inclined plane 35.
The third inclined surface 45 of the joint body 12 is slidably joined. The outlet 15 of the first joint body 10 is inserted into the open end 4 of the connected pipe 3 connected to the sewer main pipe 2. The third joint body 12 is slid with respect to the second joint body 11, and the second joint body 12 is slid with respect to the first joint body 10.
The joint body 11 is slid. The outflow port 6 of the public measure 5 is inserted into the inflow port 55 of the third joint body 12. The first and second joint bodies 10 and 11 have a flowing water gradient S with respect to the third joint body 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a universal pipe joint for connecting a connected pipe connected to a buried sewage main pipe and a public square.

[0002]

2. Description of the Related Art Conventionally, universal pipe joints of this kind are, for example,
The configuration described in JP-A-9-60777 is known.

The universal pipe joint described in Japanese Patent Application Laid-Open No. 9-60777 is formed on an inclined surface formed on an outflow side of a first joint body, on an inflow side of a second joint body, and has a first joint body. Of the joint body is slidably joined to the joint body. A vertical surface formed on the inflow side of the first joint body is slidably joined to a vertical surface formed on the outflow side of the third joint body.

As a universal pipe joint of this type, a structure described in Japanese Patent Application Laid-Open No. 9-60778 is also known.

The universal pipe joint described in Japanese Patent Application Laid-Open No. 9-60778 has an inclined surface formed by inclining an angle θ ₁ on the outflow side of the _first joint body, and the inflow side of the second joint body. An inclined surface formed at the same angle as the inclined surface on the outflow side of the first joint body, that is, an inclined angle θ ₁ is slidably joined to the first joint body. In addition, the slope formed on the inflow side of the first joint body at an inclination angle θ ₂ is the same angle as the slope on the inflow side of the second joint body on the outflow side of the third joint body, ie, the inclination angle theta ₂ tilted inclined surface formed is joined slidably.

[0006] In the universal pipe joint described in the above-mentioned Japanese Patent Application Laid-Open Nos. 9-60777 and 9-60778, first, the inflow side of the third joint body is connected to the flow of the buried public basin. In this state, the first joint body is slid with respect to the third joint body, and the second joint body is slid with respect to the first joint body. Then, the inclination angle of the universal pipe joint itself is adjusted. Next, the outflow side of the second joint body is fitted and bonded and fixed to the open end of the inflow side of the connected pipe connected to the buried sewage main pipe. The tub is connected to the square by this universal joint.

[0007]

However, the above-mentioned conventional Japanese Patent Application Laid-Open No. 9-60777 and the conventional Japanese Patent Application Laid-Open No. 9-6
The universal pipe joint described in Japanese Patent No. 0778 is used when a public square is buried in a boundary portion such as a residential land and a connected pipe connected to a sewage main pipe is buried in this boundary portion. Therefore, the first joint body and the third joint body are slidably joined on the inclined surface. For this reason, the connected pipe connected to the sewage main pipe is buried, and after attaching a universal joint to this connected pipe, a public measure is attached to the inflow side of the universal pipe and buried. It is not easy to connect a public square to the pipe to be connected and to arrange this public square at an appropriate position.

In the conventional universal joint described in Japanese Patent Application Laid-Open Nos. 9-60777 and 9-60778, the inflow side of a connected pipe connected to a sewage main pipe is connected to a public housing. When the universal joint communicates with the outlet when the universal joint is buried at approximately the same height,
Is inclined from the outflow side to the inflow side of the first joint body. For this reason, there is a problem that drainage discharged from the outlet of the public basin may be stored in the first and third joints.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and allows easy connection of a public basin to a buried connected pipe, public basin can be arranged at an appropriate position, and drainage storage. It is an object of the present invention to provide a universal pipe joint that can prevent such a problem.

[0010]

According to a first aspect of the present invention, there is provided a universal pipe joint comprising: a first joint body; and a second joint on an inflow side of which the end faces are slidably joined to the inflow side of the first joint body. And a third joint body on the inflow side, the end faces of which are slidably joined to each other on the inflow side of the second joint body, wherein the first and second joint bodies are joined to each other. Are vertical surfaces, and the end face of the second joint body to which the second and third joint bodies are joined to each other is a second inclined surface inclined with respect to the radial direction of the second joint body. And a third inclined surface in which an end surface of the third joint body to which the second and third joint bodies are joined to each other is more inclined than the second inclined surface with respect to a radial direction of the third joint body. It is what it was.

Then, the outflow side of the first joint body is attached to, for example, the inflow side of a connected pipe body connected to a buried sewage main pipe. Next, the joint between the first and second joint bodies and the joint between the second and third joint bodies are appropriately slid, respectively, so that, for example, the public Attach the outlet. At this time, the first and second
The end faces of the second joint body to which the second and third joint bodies are joined are inclined with respect to the radial direction of the second joint body, while the end faces of the joint bodies to be joined are vertical surfaces. A third inclined surface having two inclined surfaces, and an end surface of a third joint body to which the second and third joint bodies are joined is inclined more than the second inclined surface with respect to a radial direction of the third joint body. As a result, a public square is connected to the connected pipe,
A public measure will be placed at an appropriate location. Furthermore, since the third inclined surface of the third joint body is inclined more greatly than the second inclined surface of the second joint body, when the third joint body is disposed horizontally, the third inclined surface is formed. A flowing water gradient is formed which is inclined downward from the outflow side of the joint body toward the second inflow side. For this reason,
Storage of drainage and the like in each of the first and second joints is prevented.

According to a second aspect of the present invention, there is provided the universal pipe joint according to the first aspect, wherein the second inclined surface is inclined by about 22.5 ° with respect to a radial direction of the second joint body, The slope is
The second joint body is inclined at about 27.5 ° with respect to the radial direction of the third joint body, and a flowing water gradient of about 5.0 ° is formed at the joint between the second and third joint bodies.

[0013] The outflow side of the first joint body is attached to the inflow side of a connected pipe body connected to, for example, a buried sewage main pipe, and then to the inflow side of the third joint body, for example, the public side. Attach the outlet of the basin, connect the public basin to the pipe to be connected, and arrange the public basin at an appropriate position. At this time, the second inclined surface on the inflow side of the second joint body is inclined by 22.5 °, and the third inclined surface on the outflow side of the third joint body is inclined by 27.5 °. Therefore, when the joint of the first and second joint bodies is slid, and further the joint of the second and third joint bodies is slid, the first and second joint bodies are slid with respect to the third joint body. 2 from about 5.0 ° to about 50.
Tilt to 0 °. Therefore, storage of drainage and the like in each of the first and second joints is more reliably prevented.

According to a third aspect of the present invention, there is provided the universal pipe joint according to the first or second aspect, wherein the outflow side of the first joint body has an open end located on the inflow side of the connected pipe body. An outflow port which is inserted and protrudes along the circumferential direction toward the opening direction on the outflow side is formed, and on the inflow side of the third joint body,
A groove-shaped mounting recess is formed in the inner edge on the inflow side along the circumferential direction. The mounting recess protrudes toward the inner diameter direction of the third joint body in a state fitted in the mounting recess. The annular packing is fitted.

After the annular packing is fitted into the mounting recess of the third joint body, the flow of the first joint body flows into the open end of the connected pipe body connected to, for example, the buried sewer main pipe. Insert the exit. At this time, since the open end of the connected pipe is closed and buried in the ground, sediment or the like does not enter the open end of the connected pipe, so a separate joint body or the like is used. Without connecting the first end to the open end of the connected pipe.
The inflow port of the joint body is inserted. For this reason, the work of attaching the inflow port of the first joint body to the open end of the connected pipe body is easy and inexpensive. Further, the joint between the first and second joints and the joint between the second and third joints are appropriately slid, and, for example, the outlet of the public basin is connected to the inlet of the third joint. The public square is connected to the pipe to be connected and placed at an appropriate position. At this time, since the packing is fitted in the mounting recess of the third joint body, the outlet of the public cell is securely connected to the inflow side of the third joint body by this packing. Therefore, after the outlet of the first joint body is inserted into the open end of the connected pipe body, the sewage main pipe is simply inserted into the outlet of the public basin on the inflow side of the third joint body. Is connected to the public square. Therefore, the public square is more easily connected to the pipe to be connected, and the public square is easily arranged at an appropriate position.

A universal joint according to a fourth aspect is the universal joint according to any one of the first to third aspects, wherein the first joint body has an annular shape formed on the outer periphery along a vertical surface on the inflow side. A large-diameter portion to be fitted, an annular flange formed on the outer peripheral surface of the base of the large-diameter fitted portion, and a concave groove formed on the outer peripheral surface at the distal end side of the flange. The second joint body has an annular large-diameter portion formed on the outer periphery along a second inclined surface on the inflow side, and a large-diameter annular portion fitted to the concave groove portion. An annular flange formed on the outer peripheral surface of the base of the larger fitting diameter portion, and a concave groove formed on the outer peripheral surface on the distal end side of the flange, and an annular fitting fitted into the concave groove. And a step protruding outward along a vertical surface on the outflow side; and the first joint body through the step. An annular large-diameter portion for fitting the large-diameter portion to be fitted, and a fitting slide in which the large-diameter portion of the first joint body slides on the inner peripheral surface of the large-diameter portion. A moving surface, an engaging sliding surface having a diameter larger than that of the fitting sliding surface, and an engaging protrusion protruding from an opening end side of the engaging sliding surface and engaging with a flange of the first joint body. A third joint body having a stop claw, the third joint body protruding outward along the third inclined surface on the outflow side, and the second joint body being fitted with the second joint body via the step. An annular large-diameter portion for fitting the large-diameter portion, and a fitting sliding surface on which the large-diameter portion of the second joint body slides on the inner peripheral surface of the large-diameter portion. An engagement slide surface having a diameter larger than the engagement slide surface, and a locking claw projecting from an open end of the engagement slide surface and engaging with a flange of the second joint body. It has.

And a concave groove on the inflow side of the first joint body;
The packing is fitted into each of the concave grooves on the inflow side of the second joint body. Next, the large-diameter portion on the outflow side and the locking claw of the second joint body are fitted to the large-diameter portion to be fitted and the flange portion on the inflow side of the first joint body, respectively. At this time, the inflow side of the first joint body and the outflow side of the second joint body are slidably joined along the fitting sliding surface of the second joint body. Further, the large-diameter portion on the outflow side and the locking claw of the third joint body are fitted to the large-diameter portion to be fitted and the flange portion on the inflow side of the second joint body, respectively. At this time, similarly, the inflow side of the second joint body and the outflow side of the third joint body are slidably joined along the fitting sliding surface of the third joint body. Further, for example, the outflow side of the first joint body is attached to the inflow side of the connected pipe body connected to the buried sewer main pipe. Then the second
While sliding the third joint body with respect to the joint body of
The second joint body is slid with respect to the first joint body, and the outlet of the public box is attached to the inflow side of the third joint body. At this time, the sewer main and the public basin are connected, and the public basin is arranged at an appropriate position.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to FIGS.

In FIGS. 1 to 3, reference numeral 1 denotes a universal joint, and this universal joint 1 is, for example, as shown in FIG.
The open end 4 located on the inflow side of the connected pipe 3 whose outflow side is connected to the sewage main pipe 2 buried underground, and the outlet 6 of the public basin 5 buried underground It is a joint body to be connected, and is formed into a substantially cylindrical shape with, for example, a synthetic resin such as PVC, that is, polyvinyl chloride.

The universal pipe joint 1 has a substantially cylindrical first joint body 10 attached to the open end 4 of the pipe 3 to be connected.
On the inflow side end face of the first joint body 10, the outflow side end face of the substantially cylindrical second joint body 11 is slidable along the circumferential direction of the end faces. Are joined. Further, the inflow end surface of the second joint body 11 is joined to the outflow end surface of a substantially cylindrical third joint body 12 so as to be slidable along the circumferential direction of the end surfaces. I have.

On the outflow side of the first joint body 10, there is formed an outflow port 15 projecting toward the opening direction of the outflow side along the circumferential direction. The outlet 15 is formed such that when inserted into the open end 4 of the connected pipe 3, the inside of the open end 4 and the outlet 15 are sealed and communicated. I have. Also, on the outer edge of the outlet 15,
A reduced-diameter portion 16 whose outer edge is reduced in diameter in the circumferential direction toward the opening direction of the outlet 15 is formed.

Further, a vertical surface 17 perpendicular to the axial direction of the first joint body 10 is formed on the inflow end surface of the first joint body 10. The first joint body 10 extends along the outer edge of the vertical surface 17 along the outer edge of the vertical surface 17.
An annular large-diameter portion 19 to be fitted is formed to protrude in the radial direction. A flange portion 20 is formed on the outer peripheral surface of the base of the large-diameter portion to be fitted 19 so as to project in the radial direction of the first joint body 10 along the circumferential direction.

A groove 21 extending in the circumferential direction is formed on an outer peripheral surface of a substantially central portion of the large-diameter portion 19 to be fitted, which is located on the distal end side of the flange portion 20. Further, a packing 22 formed into an annular shape with an elastically deformable material such as SBR, ie, styrene-butadiene rubber, is elastically deformed and fitted into the concave groove portion 21.

A vertical surface 25 perpendicular to the axial direction of the second joint body 11 is formed on the end face on the outflow side of the second joint body 11. The outer edge of the vertical surface 25 has a stepped portion protruding outward along the vertical surface 25.
An annular large-diameter portion 27 that fits into the large-diameter portion 19 of the first joint body 10 via the step 26 is formed around the step 26. Along the direction of the second joint body 11
Projecting in the axial direction.

Further, on the inner peripheral surface of the large fitting diameter portion 27,
A fitting sliding surface 28 on which the fitted large diameter portion 19 of the first joint body 10 slides is formed along the circumferential direction. An engaging sliding surface 29 which is larger in diameter than the fitting sliding surface 28 and on which the flange portion 20 of the first joint body 10 slides is formed along the circumferential direction. On the opening edge side of the engagement sliding surface 29, a locking claw 30 that engages with the flange portion 20 of the first joint body 10 extends in the circumferential direction of the second joint body 11 along the circumferential direction. It protrudes toward.

The end face on the inflow side of the second joint body 11 has a diameter of 22.5 mm in the radial direction of the second joint body 11.
An inclined second inclined surface 35 is formed.

Here, the opening edge of the vertical surface 25 on the outflow side of the second joint body 11 facing the base end of the second inclined surface 35 is connected to the base of the step 26. Second joint body 11
A rib-shaped grip portion 31 protruding in the radial direction along the axial direction is formed.

Further, a second inclined surface of the second joint body 11
An annular large-diameter portion 37 that protrudes in the radial direction of the second joint body along the outer peripheral surface of the second inclined surface 35 is formed on the outer edge of the second inclined surface 35. And this large diameter part to be fitted
A flange portion 38 is formed on the outer peripheral surface of the base of the flange 37 so as to project in the radial direction of the second joint body 11 along the circumferential direction.

Further, on the outer peripheral surface at the substantially central portion of the large-diameter portion 37 to be fitted, which is located on the distal end side of the flange portion 38, a concave groove portion 39 is formed along the circumferential direction. Further, a packing 40 formed into an annular shape with an elastically deformable material such as SBR, that is, styrene-butadiene rubber, is elastically deformed and fitted in the groove 39.

The outflow side end face of the third joint body 12 has a diameter of 27.5 with respect to the radial direction of the third joint body 12.
°, a third inclined surface 45 which is inclined more than the second inclined surface 35 of the second joint body 11 is formed. A step 46 is formed on the outer edge of the third inclined surface 45 and protrudes outward along the third inclined surface 45. An annular large-diameter portion 47 that fits into the large-diameter portion 37 of the second joint body 11 through the projection protrudes along the circumferential direction toward the axial direction of the third joint body. Have been.

Further, on the inner peripheral surface of the large fitting diameter portion 47,
A fitting sliding surface 48 on which the large-diameter fitting portion 37 of the second joint body 11 slides is formed along the circumferential direction. An engaging sliding surface 49 which is larger in diameter than the fitting sliding surface 48 and on which the flange 38 of the second joint body 11 slides is formed along the circumferential direction. On the opening edge side of the engagement sliding surface 49, a locking claw 50 that engages with the flange portion 38 of the second joint body 11 extends in the circumferential direction along the inner diameter direction of the third joint body. It is projected toward.

Here, the opening edge on the tip side of the third inclined surface 45 is connected to the base of the step portion 46 and protrudes radially along the axial direction of the third joint body 12. A rib-shaped grip portion 51 is formed.

An inflow port 55 perpendicular to the axial direction of the third joint body 12 is formed at the inflow end face of the third joint body 12. At the inner edge of the opening of the inflow port 55, a recess-shaped mounting recess 56 is formed along the circumferential direction. Further, an annular packing 57 projecting toward the inner diameter direction of the third joint body 12 is fitted in the mounting recess 56 in a state of being fitted in the mounting recess 56. The packing 57 is formed of an elastically deformable material such as SBR, that is, styrene-butadiene rubber.

Here, the inflow port 55 is
For example, when the outlet 6 of the public tub 5 is inserted, the outlet 6 and the inlet 55
It is formed so as to be closed and communicated at 57.

Further, as shown in FIG. 1, the universal joint 1 always has the first joint 10 and the second joint 11 at 5.0 ° with respect to the third joint 12. Tilted,
A running water gradient S of 5.0 ° is formed. Further, as shown in FIGS. 1 and 2, the universal pipe joint 1
Of the second joint body 11 with respect to the third inclined surface 45 of the joint body 12 of FIG.
By sliding the second inclined surface 35, the first joint body 10 and the second joint body 11 can freely move from 5.0 ° to 50.0 ° with respect to the third joint body 12. It is formed so as to be inclined.

Next, the operation of the embodiment will be described.

First, the packing 22 is elastically deformed and fitted into the concave groove 21 of the first joint body 10, and the packing 40 is elastically deformed and fitted into the concave groove 39 of the second joint body 11.

Next, the large-diameter portion 19 to be fitted of the first joint body 10
And a large fitting diameter portion of the second joint body 11 in each of the
27 and the locking claw 30 are fitted. At this time, the first joint body
The vertical surface 17 of 10 and the vertical surface 25 of the second joint body 11 are slidably joined along their respective end surfaces.

Further, the large fitting portion 37 of the second joint body 11
And a large fitting diameter of the third joint body 12 in each of the
47 and the locking claw 50 are fitted. In this state, the second vertical surface 35 of the second joint body 11 and the third vertical surface 45 of the third joint body 12
Are slidably fitted along their respective end faces.

Thereafter, for example, the connected pipe 3 is connected to the sewage main pipe 2 buried in a boundary portion such as a residential land where a house (not shown) is to be built.
Is buried in the ground, the opening end 4 on the inflow side of the connected pipe 3 is dug up, and a lid (not shown) attached to the opening end 4 to close the opening end 4 Remove.

Next, an adhesive or the like is applied to the outer edge of the outlet 15 of the first joint body 10, and this outlet 15 is inserted into the open end 4 of the connected pipe 3 to insert the first joint body 10. 10 and connected pipe 3
And communicate with.

Then, the third inclined surface 45 of the third joint body 12 is slid with respect to the second inclined surface 35 of the second joint body 11, and
And the bending angle of the third joint body 12 with respect to the second joint bodies 10 and 11 is adjusted.

Further, the vertical surface 25 of the second joint body 11 is slid with respect to the vertical surface 17 of the first joint body 10, and the third joint body
The opening direction of the 12 inlets 55 is adjusted.

Next, the inflow port 55 of the third joint body 12 is inserted into the outflow section 6 of the public tub 5 to connect the public tub 5 to the connected pipe 3.

At this time, the height position of the surface portion 63 of the lid 62 fitted to the cleaning port 61 having the upper portion of the public box 5 opened is the same as the height position of the ground surface. The inflow port 55 of the third joint body 12 and the outflow section 6 of the public tub 5 communicate with each other.

Here, a running water gradient S of at least 5.0 ° is formed in the axial direction of the first joint body 10 and the axial direction of the second joint body 11 with respect to the axial direction of the third joint body 12. Have been. Further, the inflow port 55 and the outflow port 6 are hermetically connected by a packing 57 fitted in the mounting recess 56 of the third joint body 12.

Thereafter, the outflow side of the drainage pipe 64 connected to the residential land is connected to the inflow side of the public basin 5 to form a drainage pipe of a house built on this residential land.

Then, the connected pipe 3, the first joint body 10,
The second joint body 11, the third joint body 12, the public measure 5, and the drain pipe 64 are buried in the ground in order.

As described above, according to the one embodiment, the packing 22 is fitted into the concave groove 21 of the first joint body 10 and the packing 40 is fitted into the concave groove 39 of the second joint body 11.
Then, the large fitting portion 27 and the locking claw 30 of the second joint body 11 are fitted to the large fitting portion 19 and the flange portion 20 of the first joint body 10, respectively. Further, when the large fitting diameter portion 47 and the locking claw 50 of the third joint body 12 are fitted to the large fitting diameter portion 37 and the flange portion 38 of the second joint body 11, respectively, the first coupling body
A vertical surface 17 of the second joint body 11 and a vertical surface 17 of the second joint body 11;
Of the second inclined surface 35 of the third joint body 11 and the third inclined surface 35 of the third joint body 12
The inclined surface 45 is slidably fitted.

The second inclined surface 35 of the second joint body 11 is inclined by 22.5 °, and the third inclined surface 45 of the third joint body 12 is inclined by 27.5 °. Therefore, the second
After sliding the third joint body 12 with respect to the joint body 11 of
When the second joint body 11 is slid with respect to the first joint body 10, the first joint body 10 and the second joint body 11 are moved from 5.0 ° with respect to the third joint body 12. It can be inclined to 50.0 °, that is, the opening direction of the inlet 55 of the third joint body 12 can be changed.

When the outlet 15 of the first joint 10 is inserted into the open end 4 of the connected pipe 3 connected to the sewage main pipe 2, the first joint 10 Since the reduced diameter portion 16 is formed at the outer edge of the outflow port 15, the open end 4
The workability at the time of fitting the outlet 15 into the outlet can be improved.

Further, when the inflow port 55 of the third joint body 12 is inserted into the outflow section 6 of the public box 5, the packing 57 in the inflow port 55 connects the inflow port 55 to the public box. 5 can be closed and communicated with the outlet 6.

Therefore, after the outlet 15 of the first joint body 10 of the universal pipe joint 1 is inserted into the open end 4 of the connected pipe body 3,
The third joint body 12 is appropriately slid with respect to the second joint body 11 to change the opening direction of the inflow port 55 of the third joint body 12, and further, with respect to the first joint body 10. When the second joint body 11 is appropriately slid to fit the outlet section 6 of the public tub 5 into the inlet port 55, the connected pipe connected to the sewage main pipe 2 at the universal fitting 1 is connected. The body 3 and the public square 5 can be easily connected, and the public square 5 can be easily arranged at an appropriate position. For this reason, piping workability at the time of connecting the connected pipe 3 connected to the sewage main pipe 2 and the public tub 5 can be improved.

The second inclined surface 35 of the second joint body 11 is
The third joint body 12 is inclined by 2.5 °
The inclined surface 45 is inclined by 27.5 °. For this reason, the first joint body 10 and the second joint body 11
Is always inclined at 5.0 ° to form a running water gradient S. Therefore, the inside of the first joint body 10 and the second joint body 11
Storage of drainage and the like in the interior can be prevented.

Further, when the outlet 15 of the first joint body 10 is inserted into the open end 4 of the connected pipe 3, the open end of the connected pipe 3 is buried. 4 is closed by a lid or the like (not shown).
There is no earth and sand inside. Therefore, the outlet 15 of the first joint body 10 can be connected to the open end 4 of the connected pipe 3 only by wiping the open end 4 with a rag or the like. Therefore, the outlet of the first joint body can be connected to the open end of the connected pipe body 3 without using a separate joint body or the like. The work of attaching the inflow port 15 of the body 10 can be performed easily and inexpensively.

Next, the joint between the first and second joints 10 and 11 and the joint between the second and third joints 11 and 12 are appropriately slid, and the outlet of the public box 5 is moved. By fitting the portion 6 into the inflow port 55 of the third joint body 13, the public tub 5 is connected to the connected pipe 3, and the public tub 5 is arranged at an appropriate position. At this time, the third joint body
Since the packing 57 is fitted in the mounting recess 56 of the 12, the outlet 6 of the public box 5 is
Can be reliably connected to the inflow port 55 of the joint body 12.

Therefore, after the outlet 15 of the first joint body 10 is inserted into the open end 4 of the connected pipe 3, the third joint body 12
Just insert the outlet 6 of the public basin 5 into the inlet 55 of
The sewage main pipe 2 and the public basin 5 are connected. Therefore, the public box 5 can be more easily connected to the connected pipe 3, and the public box 5 can be easily arranged at an appropriate position.

In the above embodiment, the second inclined surface 35 of the second joint body 11 is inclined by 22.5 ° with respect to the radial direction of the second joint body 11, The third inclined surface 45 of the joint body 12 is 27.5 ° with respect to the radial direction of the third joint body 12.
It is inclined. Therefore, a running water gradient S of at least 5.0 ° is formed in the axial direction of the first joint body 10 and the second joint body 11 with respect to the axial direction of the third joint body 12. The configuration is not limited to such a configuration, and as shown in FIG. 1, a second inclined surface with respect to the radial direction of the second joint body 11.
When the inclination angle of 35 is θ ₁ and the inclination angle of the third inclined surface 45 with respect to the radial direction of the third joint body 12 is θ ₂ , the second inclination is set such that the relationship θ ₁ <θ ₂ holds. By forming the surface 35 and the third inclined surface 45, at least a flowing water gradient S of θ ₂ −θ ₁ can be formed.

[0059]

According to the universal pipe joint according to the first aspect, after attaching the outflow side of the first joint body to, for example, the inflow side of the connected pipe body connected to the buried sewage main pipe, The joints of the first and second joints and the joints of the second and third joints are slid, respectively, and further, for example, the outlet of the public square is connected to the inflow side of the third joint. By attaching to the sewage main pipe and the public basin can be easily connected, and this public basin can be easily arranged at an appropriate position. Further, when the third joint body is arranged horizontally, Since a flowing water gradient that is inclined downward from the outflow side to the second inflow side of the third joint body is formed, storage of drainage and the like in each of the first and second joint bodies can be prevented.

According to the universal joint of the second aspect, in addition to the effects of the universal joint of the first aspect, for example, the first joint body is provided on the inflow side of the connected pipe connected to the sewage main pipe. Attach the outflow side, and then, for example, attach the outlet of the public basin to the inflow side of the third joint body.
Since each of the inclined surfaces is inclined at about 22.5 ° and about 27.5 °, sliding the joint of the second and third joint bodies from about 5.0 ° to about 50.0 ° The storage of drainage and the like in the first and second joints can be more reliably prevented.

According to the universal joint of the third aspect, in addition to the effects of the universal joint of the first or second aspect, for example, the first joint is provided in the open end of the connected pipe connected to the sewer main pipe. When the outlet of the joint body is inserted, the open end of this connected pipe body will be closed in the ground and no sediment will enter inside, so use a separate joint body etc. In addition, since the inlet can be inserted into the open end, the work of attaching the outlet to the open end can be performed easily and inexpensively, and the outlet of the public basin is attached to the inflow side of the third joint body. In this case, since the packing is fitted in the mounting recess of the third joint body, the outlet of the public measure is closed by the packing in the third joint body.
Is securely connected to the inflow side of the joint body, so that the public measure can be more easily connected to the connected pipe and the public measure can be easily arranged at an appropriate position.

According to the universal joint of the fourth aspect, in addition to the effects of the universal joint of the first to third aspects, packings are respectively fitted into the concave grooves of the first and second joint bodies. Then, the large fitting diameter portion and the locking claw of the second and third joint bodies are fitted to the large fitting diameter portion and the flange portion of the first and second joint bodies, respectively. The joint of the first and second joint bodies, and the second joint
And the joint portion of the third joint body can be slidably joined along the respective fitting sliding surfaces. Further, for example, the first joint body is provided on the inflow side of the connected pipe body connected to the sewer main pipe. When the inflow side of the third joint is attached to the outlet of the public basin, for example, the connected pipe and the public basin are connected, the sewage main pipe and the public basin are connected. It can be easily connected, and the public measure can be easily arranged at an appropriate position.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a universal pipe joint according to the present invention.

FIG. 2 is a cross-sectional view showing the above universal joint.

FIG. 3 is a partially cutaway front view showing an installed state of the universal joint.

[Description of Signs] 1 Universal pipe joint 3 Connected pipe 4 Open end of connected pipe 10 First joint 11 Second joint 12 Third joint 15 Outflow port 17 First joint Vertical surface of 10 19 Larger fitting diameter of first joint body 20 Flange of first joint body 21 Depressed groove of first joint body 22 Packing of first joint body 25 Second Vertical surface of joint body 11 of step 26 Step portion of second joint body 11 Large fitting diameter of second joint body 28 Fitting sliding surface of second joint body 29 Second joint body 11 Engagement sliding surface 30 of the second joint body 11 Engagement claw 35 second inclined surface 37 Large-diameter portion of the second joint body 11 to be fitted 38 Flange part of the second joint body 11 39 Second The concave groove portion of the joint body 11 The packing of the second joint body 45 The third inclined surface 46 The step portion of the third joint body 47 The large fitting diameter of the third joint body 48 The third joint body 12 Of the third joint body 12 Locking claw of the third joint body 56 Mounting recess Part 57 Packing of 3rd joint body 12 S Running water gradient

Claims (4)

(57) [Claims] 1. A first joint body, a second joint body on an inflow side which is slidably joined to an inflow side of the first joint body at an end face, and an inflow side of the second joint body. And a third joint body on the inflow side that slidably joins the end faces to each other, wherein the end faces where the first and second joint bodies are joined to each other are vertical surfaces, and the second and third joint bodies are respectively perpendicular to each other. An end face of the second joint body to which the second joint body is joined is a second inclined surface inclined with respect to a radial direction of the second joint body, and the second and third joint bodies are joined to each other. A universal pipe joint, wherein the end surface of the third joint body to be formed is a third inclined surface that is larger than the second inclined surface with respect to the radial direction of the third joint body. 2. The second inclined surface is inclined by about 22.5 ° with respect to the radial direction of the second joint body, and the third inclined surface is inclined by about 27.degree. With respect to the radial direction of the third joint body.
At a joint of the second and third joints, about 5.0 °
The universal pipe joint according to claim 1, wherein a flowing water gradient is formed. 3. A flow which is inserted into an opening end located on the inflow side of the connected pipe body and protrudes along the circumferential direction toward the opening direction of the outflow side on the outflow side of the first joint body. An outlet is formed, and on the inflow side of the third joint body, a concave groove-shaped mounting recess is formed along the circumferential direction on the inner edge of the inflow side, and the mounting recess is fitted into the mounting recess. 3. The universal pipe joint according to claim 1, wherein an annular packing protruding toward an inner diameter direction of the third joint body is fitted in the third joint body. 4. A first joint body is formed on an annular large-diameter portion formed on the outer periphery along a vertical surface on the inflow side, and on an outer peripheral surface of a base portion of the large-diameter fitted portion. The annular joint has a concave groove formed in the outer peripheral surface on the distal end side of the flange, and has an annular packing fitted in the concave groove. An annular large-diameter portion formed on the outer periphery along the second inclined surface on the inflow side, an annular flange formed on the outer peripheral surface of the base of the large-diameter fitted portion, and the flange And a concave groove formed on the outer peripheral surface on the distal end side of the end, and an annular packing fitted into the concave groove,
And a step protruding outward along a vertical surface on the outflow side,
An annular large fitting diameter portion for fitting the large fitting diameter portion of the first joint body through the step portion, and an inner peripheral surface of the large fitting diameter portion of the first fitting body. A mating sliding surface on which the large-diameter portion to be slid slides; an engaging sliding surface having a diameter larger than the mating sliding surface; The third joint body has a locking claw that engages with a flange of the first joint body, and the third joint body has a step protruding outward along a third inclined surface on the outflow side; An annular large-diameter fitting portion that fits the large-diameter portion of the second joint body through the second joint body, and the inner peripheral surface of the large-diameter fitting portion is fitted to the second coupling body by the second fitting body A fitting sliding surface on which the large-diameter portion slides, an engaging sliding surface having a diameter larger than the fitting sliding surface, and the second sliding projection protruding from the open end side of the engaging sliding surface. 4. A joint according to claim 1, further comprising a locking claw that engages with a flange of the joint body. Universal fittings.