JPH0649622Y2 - Cleaning device - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention is a cleaning port opened on the ground surface of a cleaning port pipe that is raised from a drainage basin connected to a drainage pipe buried in the ground. The present invention relates to a cleaning port device that covers a pipe with a lid.

(Prior Art) Generally, as shown in FIG. 3, a cleaning port device connected to a drainage basin has an upper end of a cleaning port pipe 2 connected upward to a drainage basin 3 to which drainage pipes 1 and 1 are connected. The opening edge 2a is opened toward the ground surface, and the cleaning port body 4 for supporting the lid body in an openable and closable manner is fitted into the opening 2a of the cleaning port tube 2.

And the drainage pipe 1 that is piped in the residential area is almost 2/10
It is buried with a gradient of about 0. 2/1 of this drain
Since the cleaning port pipe 2 is vertically connected upward to the drainage pipe 3 to which the drain pipe 1 is connected with respect to the gradient of 00, when the ground surface is a flat surface as shown in FIG. The surface and the upper end opening 2a of the cleaning port tube 2 are parallel to each other, and the upper surface of the lid body supported by the cleaning port body 4 fitted in the upper end opening of the cleaning port tube 2 is substantially flush with the ground surface.

However, the place where the ground surface is an inclined surface as shown in FIG. 4 or the drain pipe 1 as shown in FIG.
When the pipe is piped with an inclination of 2/100 or more, the ground surface and the upper end opening 2a of the cleaning port pipe 2 may not be parallel.

(Problems to be solved by the invention) In the above conventional structure, as shown in FIG. 4, a place where the ground surface is an inclined surface, or as shown in FIG. In the case where the cleaning port pipe 2 is piped at an inclination of 2, the connection portion of the cleaning port body 4 fitted into the cleaning port pipe 2 is not removed even if the upper end opening surface 2a of the cleaning port pipe 2 is cut parallel to the ground surface. Since it is formed in a cylindrical shape coaxial with, the upper end does not become flush with the ground surface on the cleaning port body 4 fitted to the cleaning port tube 2, and one end projects or sinks from the ground surface. ,
There is a problem that the cleaning port body 4 interferes with walking and impairs the appearance.

The present invention has been made in view of the above problems, and is fitted to the cleaning pipe even when the drain pipe has a slope of 2/100 or more, or even when the ground surface is inclined. (EN) Provided is a cleaning port device in which the upper end of the cleaning port body can be made substantially flush with the ground surface.

(Means for Solving the Problem) A cleaning port device of the present invention comprises an annular connecting part internally fitted to an upper end opening of a cleaning port tube, and an annular expanding part integrally formed at an upper end of the connecting part. A cleaning port main body formed of an annular lid receiving part projecting upward from the radial engagement step part and having a lower surface of the expanded diameter engagement step part engaged with the upper end opening edge of the cleaning port tube;
The connecting portion of the cleaning port body is formed by forming an annular outer peripheral surface inscribed in the cleaning port tube into a spherical shape.

(Operation) In the cleaning device of the present invention, the cleaning body is simply attached to the cleaning pipe whose upper opening edge is inclined according to the inclination of the ground surface. Since the annular outer peripheral surface of the main body that engages with the annular expansion engagement step portion and is inscribed in the cleaning port pipe of the connection portion is formed in a spherical shape, the connection portion is formed inside the cleaning port pipe. The cleaning port main body can be attached by inclining in any direction at this connection part, the cleaning port main body can be connected to the cleaning port pipe at any angle, and the upper end of the cleaning port main body is approximately flush with the ground surface. can do.

(Embodiment) The construction of an embodiment of the present invention will be described with reference to FIG. 1 and FIG.

Reference numeral 5 denotes a synthetic resin cleaning port pipe, which is erected vertically upward from a drainage basin such as a public basin connected to a drainage pipe (not shown) buried in the ground. An opening near the surface is opened, and the upper opening edge of the cleaning port pipe 5 is cut so as to be inclined in accordance with the inclination of the ground surface.

Reference numeral 6 is a vinyl chloride resin cleaning port body, which is an annular connecting portion 7 fitted into the upper end opening of the cleaning port tube 5, and an annular expanding engagement step portion 10 formed at the upper end of the connecting portion 7. Is formed integrally with an annular lid receiving portion 8 that projects upward from the lower surface of the expanded diameter engagement step portion 10 and is engaged with the upper end opening edge of the cleaning port tube 5.

The annular outer peripheral surface of the connecting portion 7 of the cleaning port tube 5 is formed in a spherical shape such that the maximum diameter part is inscribed and fitted in the cleaning port tube 5. In addition, a lid receiving annular engagement step portion 9 is formed on the inner periphery of the lid receiving opening portion 8.

Also, 11 is a lid made of ABC resin or vinyl chloride resin,
An annular engagement step portion 12 which is inscribed in the lid receiving opening portion 8 of the cleaning port body 6 and formed on the outer periphery is engaged with the lid receiving annular engaging step portion 9 of the cleaning port body 6. The end face is formed so as to be flush with the upper end opening edge of the cleaning port body 6.

Next, the operation of this embodiment will be described.

As shown in FIG. 1, in a place where the ground surface is flat, when the upper end of the cleaning port tube 5 is kept horizontal and the cleaning port body 6 is inserted from above to be parallel to the axial direction of the cleaning port tube 5, cleaning is performed. The upper opening edge of the mouth body 6 is flush with the ground surface and held horizontally,
The upper surface of the lid body 11 fitted to the cleaning port body 6 is also flush with the upper end surface of the cleaning port body 6 so that no unevenness is generated on the ground surface.

Further, as shown in FIG. 2, when the ground surface is an inclined surface or when the drain pipe has a large pipe gradient, the upper end of the cleaning port pipe 5 is set to the ground surface inclination angle or the drain pipe pipe gradient. In accordance with the above, the cutting is performed in an inclined shape, and the upper opening edge of the cleaning port tube 5 is adjusted to the inclination of the ground surface. Then, the cleaning port body 6 is inserted at a right angle to the cut surface. At this time, the cleaning body 6
Although the axial direction of does not match the axial direction of the cleaning port tube 5, the outer peripheral surface of the connecting portion 7 is formed into a spherical shape and the lower end side has a small diameter, so that it can be fitted and inserted without difficulty, and even after the insertion. Since the spherical connection portion has no directivity, the cleaning port main body 6 with different axial directions
Is fitted to the cleaning port tube 5 in an inclined state, and the inclined ground surface and the upper surface of the cleaning port body 6 are substantially flush with each other, so that the cleaning port body 6 and the upper surface are fitted on substantially the same plane. 11 is also almost flush with the ground surface.

(Effect of the Invention) According to the present invention, by fitting the cleaning port main body to the upper opening edge of the cleaning port tube which is cut in a slanted shape in accordance with the ground surface, the lid receiving part of the cleaning port main body is attached. The enlarged-diameter engagement step portion formed in the lower portion is engaged with the upper end opening edge of the cleaning pipe, and the outer peripheral surface of the connection portion formed in the lower portion of the enlarged-diameter engagement step portion is spherical. Therefore, the connecting part is fitted to the inner circumference of the cleaning port tube without abutting, and at this time, there is no directivity in the fitting of the cleaning port body, and it is also fitted from an axial direction different from the axial direction of the cleaning port tube. Even if it is inserted, the cleaning mouth body can be fitted in an inclined shape that matches the ground surface, the upper end of the cleaning mouth body does not partly protrude or fall from the ground surface, and the cleaning mouth body is a single part It is easy to attach the main body of the cleaning port, and the cleaning port is almost the same as the ground surface even if the ground surface is inclined in any direction. It can be easily mounted on one side.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a cleaning port device according to an embodiment of the present invention, and FIG. 2 is a partially cutaway front view of the cleaning port body shown in FIG. Through Figure 5
It is explanatory drawing of the conventional cleaning opening apparatus. 5: Cleaning port tube, 6: Cleaning port body, 7: Connection part, 8
...... Lid receiving part, 10 ...... Expanding engagement step part.

Claims (1)

[Scope of utility model registration request] 1. A ring-shaped connecting portion that is inscribed in an upper end opening of a cleaning port tube, and an annular expanding engagement step formed integrally with the upper end of the connecting portion so as to project upward. The lower surface of the expanded-diameter engagement step portion is provided with a cleaning port body including an annular lid receiving part that is engaged with an upper end opening edge of the cleaning port tube, and the connecting portion of the cleaning port body is the cleaning port. A cleaning port device characterized in that an annular outer peripheral surface inscribed in a pipe is formed into a spherical shape.