CN212509870U

CN212509870U - Internal support device for double-wall corrugated pipe

Info

Publication number: CN212509870U
Application number: CN202020971972.6U
Authority: CN
Inventors: 吴浩; 刘永超
Original assignee: Suzhou Shenghui Plastics Co ltd
Current assignee: Suzhou Shenghui Plastics Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-09
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to the technical field of pipe body internal support devices, in particular to an internal support device for a double-wall corrugated pipe, which comprises a double-wall corrugated pipe, wherein a circular metal ring is arranged in the inner cavity of the double-wall corrugated pipe, a plurality of control devices which are uniformly distributed are annularly arranged on the metal ring, a branch pipe cavity and a main pipe cavity are arranged in the metal ring, one end of the branch pipe cavity is communicated with the main pipe cavity, one end of the main pipe cavity extends to the outside of the double-wall corrugated pipe, the other end of the branch pipe cavity is connected with the control devices, a block valve is arranged in the inner cavity of the branch pipe cavity, the control devices comprise a telescopic column, an outer cylinder and a top body plate, the structural design of the utility model realizes the stable expansion support effect of the double-wall corrugated pipe, the main pipe cavity is injected with air flow, the air flow is diffused through a plurality of branch pipe cavities, the, thereby prolonging the service life of the whole supporting device.

Description

Internal support device for double-wall corrugated pipe

Technical Field

The utility model relates to a body internal stay technical field specifically is an internal stay device for double-walled bellows.

Background

When double-walled bellows and other attach the pipeline outward and cup joint among the prior art, how to ensure the stable connection of cover contact, it is a technique that needs to improve the improvement, ordinary mode of cup jointing, can support the inner wall of jack-up double-walled bellows through ring form becket, the constraint of pipeline is attached outward in the cooperation, realize cup jointing between double-walled bellows and the attach pipeline outward, such connected mode has certain drawback, if the becket undersize, then the supporting effect is not obvious, the becket is too big in reverse, the short time can't move the becket fast to the assigned position of double-walled bellows, for this we provide an internal stay device for double-walled bellows.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an internal stay device for double-walled bellows to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inner supporting device for a double-wall corrugated pipe comprises the double-wall corrugated pipe, wherein a circular metal ring is arranged in an inner cavity of the double-wall corrugated pipe, a plurality of uniformly distributed control devices are arranged on the metal ring in an encircling manner, a branch pipe cavity and a main pipe cavity are arranged in the metal ring, one end of the branch pipe cavity is communicated with the main pipe cavity, one end of the main pipe cavity extends out of the double-wall corrugated pipe, the other end of the branch pipe cavity is connected with the control devices, a blocking valve is arranged in the inner cavity of the branch pipe cavity, each control device comprises a telescopic column, an outer cylinder and a top body plate, one end of each telescopic column extends into the outer cylinder, one end of each outer cylinder is fixedly embedded into the metal ring, the other end of each telescopic column is fixedly connected with the arc-plate-shaped top body plate, a telescopic pipe is arranged in the inner cavity of the outer cylinder on, the one end fixedly connected with ventilative board of sheet rubber, the other end fixedly connected with ball sealer of sheet rubber, the one end of keeping away from the sheet rubber on the ball sealer is provided with the sealing ring.

Preferably, the sealing ring and the ventilation plate are fixed on the inner wall of the branch pipe cavity, the ventilation plate is a circular plate, the plate body is provided with a plurality of uniformly distributed through holes in an annular mode, the sealing ring is a cylinder, the middle of the bottom surface of one side of the cylinder body is provided with a spherical groove, the sealing ball is matched with the spherical groove of the sealing ring, and the rubber sheet is in a wavy plate shape.

Preferably, the telescopic pipe is movably sleeved in the inner cavity of the outer barrel and is of a rubber bellows structure, one end of the telescopic pipe is fixedly connected with the bottom surface of the telescopic column, the other end of the telescopic pipe is fixedly connected with the metal ring, and one end of the branch pipe cavity is communicated with the telescopic pipe.

Preferably, the telescopic column is cylindrical and movably sleeved in the inner cavity of the outer barrel, a plurality of uniformly distributed convex sliding blocks are arranged on the side wall of the telescopic column in a fixed ring mode, and the convex sliding blocks on the telescopic column partially extend into sliding grooves formed in the inner wall of the outer barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the structural design has realized the stable expansion support effect to double-walled bellows, injects the gas to the main pipe chamber, and the air current diffuses through a plurality of branch pipe chambeies, and then ask the flexible post of stable support in the flexible pipe atmospheric pressure, cooperates the air current interception of interception valve, ensures the sealed environment in the flexible pipe, and then improves the life of whole strutting arrangement;

2. the utility model discloses a simple gas injection can try the holistic stable deformation expansion down, realizes having the practicality very much to the effectual support of double-walled bellows.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a point a in fig. 1.

In the figure: the device comprises a double-wall corrugated pipe 1, a metal ring 2, a control device 3, a branch pipe cavity 4, a main pipe cavity 5, a blocking valve 6, a telescopic column 7, an outer cylinder 8, a top plate 9, a telescopic pipe 10, a rubber sheet 11, a ventilating plate 12, a sealing ball 13 and a sealing ring 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Please refer to fig. 1 to 2, the present invention provides a technical solution: an internal supporting device for a double-wall corrugated pipe comprises a double-wall corrugated pipe 1, a circular ring-shaped metal ring 2 is arranged in an inner cavity of the double-wall corrugated pipe 1, a plurality of uniformly distributed control devices 3 are annularly arranged on the metal ring 2, a branch pipe cavity 4 and a main pipe cavity 5 are arranged in the metal ring 2, one end of the branch pipe cavity 4 is communicated with the main pipe cavity 5, one end of the main pipe cavity 5 extends to the outside of the double-wall corrugated pipe 1, the other end of the branch pipe cavity 4 is connected with the control devices 3, a blocking valve 6 is arranged in the inner cavity of the branch pipe cavity 4, the control devices 3 comprise a telescopic column 7, an outer cylinder 8 and a top body plate 9, one end of the telescopic column 7 extends into the outer cylinder 8, one end of the outer cylinder 8 is fixedly embedded into the metal ring 2, the other end of the telescopic column 7 is fixedly connected with an arc-plate-shaped top body plate 9, a, A ventilation plate 12, a sealing ball 13 and a sealing ring 14, one end of the rubber sheet 11 is fixedly connected with the ventilation plate 12, the other end of the rubber sheet 11 is fixedly connected with the sealing ball 13, the sealing ball 13 is provided with the sealing ring 14 at the end far away from the rubber sheet 11, referring to fig. 1, the main pipe cavity 5 is surrounded in the metal ring 2, one end of the main pipe cavity 5 is connected with the outer wall of the metal ring 2, and the outer part of the double-wall corrugated pipe 1 is sleeved with other pipelines, the utility model is arranged at the open end position of the double-wall corrugated pipe 1, in particular the part of the double-wall corrugated pipe 1 extends into other pipelines, the utility model discloses a jack-up inner wall of the open end of the double-wall corrugated pipe 1, and further support the double-wall corrugated pipe 1, and the double-wall corrugated pipe 1 is bound by other external pipelines, thus the, will earlier the utility model discloses place the assigned position in double-walled bellows 1, ensure the utility model discloses the plane of locating and the section coplane of double-walled bellows 1 use the gas injection mechanism among the prior art to carry out the gas injection to main lumen 5.

Sealing ring 14 and ventilative board 12 are fixed on the inner wall of a branch pipe chamber 4, and ventilative board 12 shape is the plectane and the plate body is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's through-hole, and the spherical groove has been seted up for drum and barrel one side bottom surface middle part to sealing ring 14 shape, and sealed ball 13 agrees with the spherical groove of sealing ring 14, and rubber sheet 11 is the wave platelike.

The telescopic pipe 10 is movably sleeved in the inner cavity of the outer barrel 8, the telescopic pipe 10 is of a rubber corrugated pipe structure, one end of the telescopic pipe 10 is fixedly connected with the bottom surface of the telescopic column 7, the other end of the telescopic pipe 10 is fixedly connected with the metal ring 2, and one end of the branch pipe cavity 4 is communicated with the telescopic pipe 10.

The shape of the telescopic column 7 is cylindrical, the telescopic column 7 is movably sleeved in an inner cavity of the outer barrel 8, a plurality of uniformly distributed convex sliding blocks are arranged on the side wall of the telescopic column 7 in a fixing mode, and the convex sliding blocks on the telescopic column 7 partially extend into sliding grooves formed in the inner wall of the outer barrel 8.

The working principle is as follows: the main pipe cavity 5 is injected with gas, the gas flow in the main pipe cavity 5 diffuses into a plurality of branch pipe cavities 4, the gas flow flows into the inner cavity of the extension pipe 10, the extension pipe 10 expands and deforms, the air pressure pushes the extension column 7, the extension column 7 moves to drive the top plate 9, the top plate 9 jacks up the inner wall of the double-wall corrugated pipe 1, and the gas injection is carried out at one end of the main pipe cavity 5, so that the whole deformation expansion of the utility model can be realized, the design of the interception valve 6 achieves an effective one-way flow guiding effect, particularly, when the gas flow passes through the branch pipe cavities 4, the sealing ball 13 is jacked up by the gas flow, the sealing ball 13 is separated from the sealing ring 14, the gas flow passes through the gap between the sealing ball 13 and the sealing ring 14, then the gas flow passes through the through hole on the ventilation plate 12, after the gas flow passes through, the rubber sheet 11 rebounds to push the sealing ball 13 to recover the initial, and further, a high-pressure sealing environment in the inner cavity of the extension tube 10 is realized, namely, under the support of air pressure, the plurality of top plates 9 are matched and stably expanded to support the inner wall of the double-wall corrugated tube 1, so that the support purpose is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Internal bracing device for double-walled corrugated pipes, comprising a double-walled corrugated pipe (1), characterized in that: the double-wall corrugated pipe is characterized in that a circular ring-shaped metal ring (2) is arranged in an inner cavity of the double-wall corrugated pipe (1), the metal ring (2) is provided with a plurality of uniformly distributed control devices (3), a branch pipe cavity (4) and a main pipe cavity (5) are arranged in the metal ring (2), one end of the branch pipe cavity (4) is communicated with the main pipe cavity (5), one end of the main pipe cavity (5) extends to the outside of the double-wall corrugated pipe (1), the other end of the branch pipe cavity (4) is connected with the control devices (3), a stop valve (6) is arranged in the inner cavity of the branch pipe cavity (4), each control device (3) comprises a telescopic column (7), an outer cylinder (8) and a top body plate (9), one end of each telescopic column (7) extends into the corresponding outer cylinder (8), one end of each outer cylinder (8) is fixedly embedded into the metal ring (2), the other end of each telescopic column (7) is fixedly, the flexible pipe (10) is arranged in an inner cavity of the outer barrel (8) on one side of the flexible column (7), the intercepting valve (6) comprises a rubber sheet (11), a ventilation plate (12), a sealing ball (13) and a sealing ring (14), the ventilation plate (12) is fixedly connected to one end of the rubber sheet (11), the sealing ball (13) is fixedly connected to the other end of the rubber sheet (11), and the sealing ring (14) is arranged at one end, far away from the rubber sheet (11), of the sealing ball (13).

2. An internal stay device for a double-walled corrugated pipe according to claim 1, wherein: the sealing ring (14) and the ventilation plate (12) are fixed on the inner wall of the branch pipe cavity (4), the ventilation plate (12) is in a circular plate shape, a plurality of uniformly distributed through holes are annularly arranged on the plate body, the sealing ring (14) is in a cylindrical shape, a spherical groove is formed in the middle of the bottom surface of one side of the cylinder body, the sealing ball (13) is matched with the spherical groove of the sealing ring (14), and the rubber sheet (11) is in a wavy plate shape.

3. An internal stay device for a double-walled corrugated pipe according to claim 1, wherein: the telescopic pipe (10) is movably sleeved in the inner cavity of the outer barrel (8), the telescopic pipe (10) is of a rubber corrugated pipe structure, one end of the telescopic pipe (10) is fixedly connected with the bottom surface of the telescopic column (7), the other end of the telescopic pipe (10) is fixedly connected with the metal ring (2), and one end of the branch pipe cavity (4) is communicated with the telescopic pipe (10).

4. An internal stay device for a double-walled corrugated pipe according to claim 1, wherein: the telescopic column (7) is in a cylindrical shape, the telescopic column (7) is movably sleeved in an inner cavity of the outer barrel (8), a plurality of uniformly distributed convex sliding blocks are arranged on a side wall upper fixing ring of the telescopic column (7), and the convex sliding blocks on the telescopic column (7) partially extend into sliding grooves formed in the inner wall of the outer barrel (8).