CN214889624U

CN214889624U - Pipeline and inspection shaft connecting device

Info

Publication number: CN214889624U
Application number: CN202120854292.0U
Authority: CN
Inventors: 张忠桥
Original assignee: Wuxi Municipal Design Institute Co Ltd
Current assignee: Huaxin Design Group Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-26
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a pipeline and inspection shaft connecting device belongs to municipal drainage engineering technical field. The device for connecting the pipeline with the inspection well comprises the pipeline, a double-side threaded pipe, an inner bayonet and an outer bayonet, wherein the double-side threaded pipe comprises an outer threaded pipe and an inner threaded pipe, inclined threads are arranged on the outer wall of the outer threaded pipe, and threads are arranged on the inner wall of the inner threaded pipe; the external bayonet is sleeved on the external threaded pipe and is in threaded connection with the external threaded pipe; the inner bayonet comprises a threaded column and a circular truncated cone, threads are arranged on the outer wall of the threaded column, and the threaded column is in threaded connection with the inner threaded pipe. The utility model discloses a through threaded connection between outer bayonet catch and the external screw thread pipe, can restrict the pipeline and to the motion in the inspection shaft well, also through threaded connection between interior bayonet catch and the internal thread pipe, can restrict the pipeline and to the motion outside the inspection shaft well, guaranteed zonulae occludens between pipeline and the inspection shaft, be difficult for droing to the installation is simple, and the equipment is convenient, simple and practical, and the prevention of seepage is effectual.

Description

Pipeline and inspection shaft connecting device

Technical Field

The utility model relates to a pipeline and inspection shaft connecting device belongs to municipal drainage engineering technical field.

Background

At present, in the pipeline projects of water drainage, power supply, communication and the like in the range of roads, squares, districts and the like, the connection mode of a pipe and an inspection well is that the end of the pipe is directly inserted into the inspection well, as shown in figure 1. This type of connection does not form a tight connection and has the following disadvantages: 1) gaps are easy to appear at the connecting part of the pipeline and the well wall of the inspection well, so that underground water permeates into the inspection well through the gaps, or sewage in the inspection well seeps out of the inspection well through the gaps, and the seepage-proofing performance of the inspection well is reduced; 2) when the pipeline or the inspection well is settled or deformed, the pipeline is easily disconnected from the inspection well, and the normal use of the pipeline is influenced.

SUMMERY OF THE UTILITY MODEL

[ problem ] to

The utility model discloses the problem that solves is: the existing municipal pipeline is not tightly connected with the inspection well, a gap is easy to appear, the anti-seepage effect is poor, and the pipeline is easy to fall off.

[ solution ]

The utility model provides a pipeline and inspection shaft connecting device is applicable to municipal pipeline drainage engineering, and the device can make zonulae occludens between pipeline and the inspection shaft, improves prevention of seepage water effect to the installation is simple, and the equipment is convenient, simple and practical.

The device for connecting the pipeline with the inspection well comprises the pipeline, a double-side threaded pipe, an inner bayonet and an outer bayonet, wherein the double-side threaded pipe comprises an outer threaded pipe and an inner threaded pipe, inclined threads are arranged on the outer wall of the outer threaded pipe, and threads are arranged on the inner wall of the inner threaded pipe; the external bayonet is sleeved on the external threaded pipe and is in threaded connection with the external threaded pipe; the inner bayonet comprises a threaded column and a circular truncated cone, threads are arranged on the outer wall of the threaded column, and the threaded column is in threaded connection with the inner threaded pipe.

In one embodiment of the present invention, the inner diameter of the external threaded pipe is the same as the inner diameter of the pipe.

In an embodiment of the present invention, the internal threaded pipe is located on the right side of the external threaded pipe and extends toward the manhole shaft.

In an embodiment of the present invention, the internal threaded pipe has an outer diameter equal to an outer diameter of the pipe.

In one embodiment of the present invention, the length of the external threaded tube is greater than the length of the internal threaded tube.

The utility model discloses an in an embodiment, the right side wall and the inspection shaft well body laminating of outer bayonet socket.

In an embodiment of the present invention, the threaded column is fixed on the circular truncated cone, and the outer diameter of the circular truncated cone is larger than the outer diameter of the threaded column.

The utility model discloses an in an embodiment, the left side wall and the inspection shaft well bore laminating of round platform.

In an embodiment of the present invention, the length of the threaded column is equal to the length of the internal threaded pipe.

The utility model discloses an in the embodiment, be equipped with resilient pad between the right side wall of outer bayonet socket and the inspection shaft well body, also be equipped with resilient pad between the left side wall of round platform and the inspection shaft well body.

[ advantageous effects ]

1. The utility model discloses through threaded connection between the outer bayonet socket that sets up and the external screw thread pipe, can restrict the interior motion of pipeline to the inspection shaft, also through threaded connection between interior bayonet socket and the internal thread pipe, can restrict the pipeline and move to the well of inspection shaft outward, guaranteed zonulae occludens between pipeline and the inspection shaft, be difficult for droing to the installation is simple, and the equipment is convenient, simple and practical.

2. The utility model discloses a screw thread post is fixed on the round platform, and the external diameter of round platform is greater than the external diameter of screw thread post, the left side wall and the inspection shaft well body laminating of round platform, the right side wall and the inspection shaft well body laminating of outer bayonet socket make and be difficult to the gap to appear between pipeline and the inspection shaft, and the prevention of seepage is effectual.

3. The utility model discloses be equipped with resilient pad between the right side wall of outer bayonet socket and inspection shaft well body, also be equipped with resilient pad between the left side wall of round platform and the inspection shaft well body, further strengthened the prevention of seepage effect.

Drawings

Fig. 1 is a schematic view of a conventional pipe connected to an inspection well.

Fig. 2 is a schematic front view of the novel pipe and manhole connecting device in embodiment 1.

Fig. 3 is a schematic view of the pipeline and the double-sided thread end of the present invention.

Fig. 4 is a schematic front view of the outer bayonet of the present invention.

Fig. 5 is a schematic front view of the inner bayonet of the present invention.

Fig. 6 is a schematic front view of the novel pipe and manhole connecting device in embodiment 2.

In the figure, 1, a pipeline; 2. a double-sided threaded pipe; 21. an externally threaded tube; 22. an internally threaded tube; 3. an inner bayonet; 31. a threaded post; 32. a circular truncated cone; 4. an outer bayonet; 5. an elastic pad.

Detailed Description

To achieve the above objects, features and advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, the present invention will be described in detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

A pipeline and inspection well connecting device is shown in figure 2 and comprises a double-sided threaded pipe 2, an inner clamping opening 3 and an outer clamping opening 4. The double-sided threaded pipe 2 is positioned at the pipe orifice of the pipeline 1. As shown in fig. 3, the double-sided threaded pipe 2 comprises an external threaded pipe 21 and an internal threaded pipe 22, the external threaded pipe 21 is a hollow circular pipe, an inclined thread is arranged on the outer wall of the hollow circular pipe, and the inner diameter of the external threaded pipe 21 is the same as that of the pipeline 1; the female screw tube 22 is located on the right side of the male screw tube 21 and extends toward the manhole shaft, the outer diameter of the female screw tube 22 is the same as the outer diameter of the pipeline 1, the inner wall of the female screw tube 22 is provided with a screw thread, and the length (length in the horizontal direction) of the male screw tube 21 is longer than the length (length in the horizontal direction) of the female screw tube 22.

As shown in fig. 2 or 4, the outer bayonet 4 is annular, and the inner wall of the outer bayonet 4 is provided with threads. Outer bayonet 4 cover is on outer screw tube 21, and threaded connection between the outer screw tube 21, the right side wall and the inspection shaft well body laminating of outer bayonet 4, outer bayonet 4 is used for restricting the interior motion of pipeline 1 to the inspection shaft.

As shown in fig. 2 or 5, the inner bayonet 3 includes a threaded column 31 and a circular truncated cone 32, the threaded column 31 is hollow, a thread is provided on an outer wall of the threaded column 31, the threaded column 31 is in threaded connection with the internally threaded tube 22, the circular truncated cone 32 is annular, the inner part of the circular truncated cone 32 is hollow, and the hollow inner diameter of the circular truncated cone 32 is the same as the hollow inner diameter of the threaded column 31. The threaded column 31 is fixed on the circular truncated cone 32, the outer diameter of the circular truncated cone 32 is larger than that of the threaded column 31, and the left side wall of the circular truncated cone 32 is attached to the well body of the inspection well. The length (length in the horizontal direction) of the threaded column 31 is equal to the length (length in the horizontal direction) of the internally threaded tube 22, and the inner bayonet 3 is used for limiting the pipeline 1 from moving out of the manhole.

Alternatively, the length of the threaded column 31 (length in the horizontal direction) is equal to the thickness of the inspection well bore (thickness in the horizontal direction).

Optionally, the double-sided threaded pipe 2, the inner bayonet 3 and the outer bayonet 4 may be made of plastic or metal.

The utility model discloses an installation: the perforating hole is reserved or excavated to the inspection shaft well body, the size of perforating hole is the same with internal thread pipe 22's external diameter, internal thread pipe 22 inserts the perforating hole of inspection shaft well body, adjust outer bayonet socket 4, make the right flank of outer bayonet socket 4 hug closely with the inspection shaft well body, guarantee simultaneously that pipeline 1 is in same axis direction with the perforating hole of inspection shaft well body, insert internal thread pipe 22 and screw up with the screw post 31 of interior bayonet socket 3 at last, make the left side wall of round platform 32 hug closely with the inspection shaft well body.

Example 2

This example differs from example 1 in that: set up elastic gasket 5 between the right side wall of outer bayonet 4 and inspection shaft respectively to and the left side wall of round platform 32 and inspection shaft, elastic gasket 5's material preferred selects for use rubber. The two groups of elastic gaskets 5 are additionally arranged, so that the pipeline 1 can be further optimized to be connected with an inspection well, and a better water seepage prevention effect is achieved.

The protection scope of the present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements that can be made by a person skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The device for connecting the pipeline with the inspection well is characterized by comprising a pipeline (1), a double-faced threaded pipe (2), an inner bayonet (3) and an outer bayonet (4), wherein the double-faced threaded pipe (2) comprises an outer threaded pipe (21) and an inner threaded pipe (22), an inclined thread is arranged on the outer wall of the outer threaded pipe (21), and a thread is arranged on the inner wall of the inner threaded pipe (22); the outer bayonet (4) is sleeved on the outer threaded pipe (21) and is in threaded connection with the outer threaded pipe (21); interior bayonet socket (3) are including screw thread post (31) and round platform (32), the outer wall of screw thread post (31) is equipped with the screw thread, threaded connection between screw thread post (31) and internal thread pipe (22).

2. A pipe to manhole connection according to claim 1, wherein the internal diameter of the externally threaded pipe (21) is the same as the internal diameter of the pipe (1).

3. A pipe and manhole connection according to claim 2, wherein the internally threaded pipe (22) is located on the right side of the externally threaded pipe (21) and extends towards the manhole shaft.

4. A pipe to manhole connection according to claim 3, wherein the external diameter of the internally threaded pipe (22) is the same as the external diameter of the pipe (1).

5. A pipe and manhole connection according to claim 4, wherein the length of the externally threaded pipe (21) is greater than the length of the internally threaded pipe (22).

6. A pipe and manhole connection according to claim 5, wherein the right side wall of the outer bayonet (4) is fitted to the manhole shaft.

7. A pipe and manhole connection according to claim 6, wherein the threaded cylinder (31) is fixed to a circular table (32), the circular table (32) having an outer diameter greater than the outer diameter of the threaded cylinder (31).

8. A pipe and manhole connection according to claim 7, wherein the left side wall of the truncated cone (32) abuts the manhole shaft.

9. A pipe and manhole connection according to claim 8, wherein the length of the threaded column (31) is equal to the length of the internally threaded pipe (22).

10. A pipe and manhole connection according to any of claims 1 to 9, wherein an elastic gasket (5) is provided between the right side wall of the outer bayonet (4) and the manhole shaft, and an elastic gasket (5) is also provided between the left side wall of the circular truncated cone (32) and the manhole shaft.