CN218267888U

CN218267888U - Special sealing ring for PE double-wall corrugated pipe

Info

Publication number: CN218267888U
Application number: CN202222746129.XU
Authority: CN
Inventors: 徐石
Original assignee: Jiangsu Hongyu Electronic Technology Development Co ltd
Current assignee: Jiangsu Hongyu Electronic Technology Development Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-10
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a special sealing washer of PE double-walled bellows belongs to bellows seal technical field, including bellows main part and sealed main part, the bellows main part is moulded plastics integrated into one piece and is set up by a plurality of PE double-walled bellows, and sealed main part is established at the outside sealed lantern ring of PE double-walled bellows and fastening assembly spare including setting up support piece, the cover inside PE double-walled bellows. The utility model discloses a set up the sealed lantern ring in the outside of bellows, utilize the extrusion force that the threaded connection between the internal thread ring that sets up inside the bellows and the outer annular body produced, make the sealed lantern ring that the cover was established by extrusion deformation, ensure and the fastening contact between the bellows, realize the inside support to PE double-walled bellows through interior support half-turn and in-connection semi-ring, the improvement that the lock ring that interior support half-turn of hard material is constituteed can be showing is to the support of PE double-walled bellows, ensure junction non-deformable, the design defect of compensating bellows, ensure the fastening effect of connecting.

Description

Special sealing ring for PE double-wall corrugated pipe

Technical Field

The utility model relates to a bellows seal technical field especially relates to a special sealing washer of PE double-walled bellows.

Background

The PE double-wall corrugated pipe is a novel light pipe which is made of polyethylene as a raw material through extrusion and a special forming process;

in the process of laying the bellows, often can block the bellows because the demand of length, present bellows connection sealing washer all seals the bellows junction that has the joint to the complete on the market, to the bellows that is blocked, its cross-section is owing to be the ripple shape, and ordinary sealing washer is difficult to guarantee sealed effect, and the inside support that lacks of bellows that blocks also influences the connection effect between with the pipe equipment, provides a special sealing washer of PE double-walled bellows for this moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing common sealing ring of the cut-off corrugated pipe is difficult to guarantee sealing, the cut-off corrugated pipe is lack of the supporting effect, and the provided special sealing ring for the PE double-wall corrugated pipe is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a special sealing ring for a PE double-wall corrugated pipe comprises a corrugated pipe main body and a sealing main body, wherein the corrugated pipe main body is formed by injection molding of a plurality of PE double-wall corrugated pipes in an integrated manner, and the sealing main body comprises a supporting piece arranged in the PE double-wall corrugated pipe, a sealing sleeve ring sleeved outside the PE double-wall corrugated pipe and a fastening assembly piece;

the supporting piece comprises two inner supporting half rings matched with the inner wall of the PE double-wall corrugated pipe, and one end of each inner supporting half ring is connected with an inner connecting half ring;

the fastening assembly part comprises an internal thread ring in threaded connection with the inner connecting semi-ring, the outer side wall of the inner connecting semi-ring is provided with an outer ring body, and the outer ring body is provided with a fastening extrusion ring in a semicircular arc shape.

Preferably, two of the opposite inner support half rings are connected through a fastening block, limiting edges are arranged on two sides of the fastening block, and edge openings matched with the limiting edges are formed in the inner support half rings and the inner connecting half rings.

Preferably, a thread groove is formed in the inner connecting half ring, the thread groove is in threaded connection with the inner thread ring, and a rubber ring for sealing is arranged at the end of the inner thread ring.

Preferably, the inner support half ring and the inner connecting half ring are made of hard PE materials and are arranged in an injection molding and integral forming mode.

Preferably, the sealing lantern ring is made of flexible rubber, and the inner diameter of the fastening extrusion ring is sleeved with the outer diameter of the sealing lantern ring.

Preferably, the end of the fastening block is trapezoidal, and the fastening block is made of hard metal.

Preferably, the outer ring body is provided with a threaded ring layer which is connected with an external pipeline joint in an installing manner.

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

1. this scheme is through the outside at the bellows the cover establish the sealed lantern ring, utilizes the internal thread ring that sets up in the bellows inside and the extrusion force that the threaded connection produced between the outer annular body for the sealed lantern ring that the cover was established is by extrusion deformation, ensures and the bellows between the fastening contact, thereby ensures the leakproofness of PE double-walled bellows truncation department.

2. Support to PE double-walled corrugated pipe inside is realized through the interior support half-turn that sets up in pairs and in-connection semi-ring, and improvement that the interior support half-turn of hard material is constituteed can show guarantees junction non-deformable to the support of PE double-walled corrugated pipe, and the fastening effect of connection is guaranteed to the design defect of compensation bellows.

Drawings

Fig. 1 is a schematic perspective view of a special seal ring for a PE double-wall corrugated pipe according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of a special sealing ring for a PE double-wall corrugated pipe according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1. a PE double-wall corrugated pipe; 2. a sealing collar; 3. an inner support half-turn; 4. an inner connecting half ring; 5. an internally threaded ring; 6. an outer ring body; 7. fastening the extrusion ring; 8. a fastening block; 9. A limiting edge; 10. a rubber ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a special sealing ring for a PE double-wall corrugated pipe comprises a corrugated pipe main body and a sealing main body, wherein the corrugated pipe main body is formed by injection molding of a plurality of PE double-wall corrugated pipes 1, and the sealing main body comprises a supporting piece arranged inside the PE double-wall corrugated pipe 1, a sealing lantern ring 2 sleeved outside the PE double-wall corrugated pipe 1 and a fastening assembly piece;

the supporting piece comprises two inner supporting half rings 3 matched with the inner wall of the PE double-wall corrugated pipe 1, one end of each inner supporting half ring 3 is connected with an inner connecting half ring 4, and the inner supporting half rings 3 are located in the PE double-wall corrugated pipe 1 and just fit with the PE double-wall corrugated pipe 1 to achieve tight contact.

Further, interior support half-ring 3 and interior connecting half-ring 4 are made for stereoplasm PE material, and it sets up for moulding plastics integrated into one piece, and the sealing lantern ring 2 is flexible rubber material, and the fastening extrusion ring 7 internal diameter cup joints with sealing lantern ring 2 external diameter mutually.

It is worth noting that the inner supporting half-ring 3 made of two hard PE materials can form a complete inner ring inside the PE double-wall corrugated pipe 1, so that the effect of hard supporting the cutting position of the PE double-wall corrugated pipe 1 is achieved, and the supporting of the corrugated pipe main body at the cutting connection position is ensured.

Further, support through the holding block 8 between the semicircle 3 in two that set up relatively and connect, holding block 8 both sides all are provided with spacing arris 9, and holding block 8 tip is trapezoidal setting, holding block 8 is made for the carbide material, all sets up the arris mouth with spacing arris 9 looks adaptation on interior support semicircle 3 and the interconnection semi-ring 4, and the setting of arris mouth and spacing arris 9 can make when holding block 8 removes, ensure with two contact between the interior support semicircle 3, ensure to extrude two interior support semicircles 3 and support PE double-walled bellows 1 to both sides.

The fastening assembly part comprises an internal thread ring 5 in threaded connection with an internal connection half ring 4, the outer side wall of the internal connection half ring 4 is provided with an outer ring body 6, a thread ring layer which is connected with an external pipeline joint is arranged on the outer ring body 6, a fastening extrusion ring 7 which is arranged in a semicircular arc shape is arranged on the outer ring body 6, a thread groove is formed in the internal connection half ring 4, the thread groove is in threaded connection with the internal thread ring 5, and the end part of the internal thread ring 5 is provided with a rubber ring 10 which plays a role in sealing.

When the sealing ring is installed, the sealing sleeve ring 2 is sleeved on the external PE double-wall corrugated pipe 1 at the cut part of the corrugated pipe main body, so that the sealing sleeve ring 2 is attached to the PE double-wall corrugated pipe 1, at the moment, the inner supporting half ring 3 and the inner connecting half ring 4 which are arranged into the half rings are placed into the inner wall of the PE double-wall corrugated pipe 1, and the limiting edges 9 on the fastening block 8 correspond to the edge openings;

at this moment, the fastening assembly part is installed, the internal thread ring 5 and the internal connection half ring 4 are fastened in a threaded manner, the fastening block 8 can be inserted inwards under the action of the outer ring body 6 in the fastening process, the PE double-wall corrugated pipe 1 is supported by the supporting piece, the fastening extrusion ring 7 connected to the outer ring body 6 can effectively extrude the sealing sleeve ring 2 sleeved on the PE double-wall corrugated pipe 1, and therefore the sealing effect of the PE double-wall corrugated pipe 1 at the cut-off position is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A special sealing ring for a PE double-wall corrugated pipe comprises a corrugated pipe main body and a sealing main body, and is characterized in that the corrugated pipe main body is formed by a plurality of PE double-wall corrugated pipes (1) in an injection molding and integrated mode, and the sealing main body comprises a supporting piece arranged inside the PE double-wall corrugated pipe (1), a sealing sleeve ring (2) sleeved outside the PE double-wall corrugated pipe (1) and a fastening assembly piece;

the supporting piece comprises two inner supporting half rings (3) matched with the inner wall of the PE double-wall corrugated pipe (1), and one end of each inner supporting half ring (3) is connected with an inner connecting half ring (4);

the fastening assembly part comprises an internal thread ring (5) in threaded connection with the inner connecting semi-ring (4), the outer side wall of the inner connecting semi-ring (4) is provided with an outer ring body (6), and the outer ring body (6) is provided with a fastening extrusion ring (7) in a semicircular arc shape.

2. The special sealing ring for the PE double-wall corrugated pipe as claimed in claim 1, wherein two oppositely arranged inner support half rings (3) are connected through a fastening block (8), limiting ribs (9) are arranged on both sides of the fastening block (8), and the inner support half rings (3) and the inner connecting half rings (4) are provided with edge openings matched with the limiting ribs (9).

3. The special seal ring for the PE double-wall corrugated pipe as claimed in claim 1, wherein the inner connecting half ring (4) is provided with a thread groove, the thread groove is in threaded connection with an inner thread ring (5), and a rubber ring (10) for sealing is arranged at the end of the inner thread ring (5).

4. The special sealing ring for PE double-wall corrugated pipe according to claim 1, wherein the inner support half ring (3) and the inner connecting half ring (4) are made of hard PE material and are arranged in an injection molding and integral forming mode.

5. The special sealing ring for the PE double-wall corrugated pipe as claimed in claim 1, wherein the sealing sleeve ring (2) is made of flexible rubber, and the inner diameter of the fastening extrusion ring (7) is sleeved with the outer diameter of the sealing sleeve ring (2).

6. The special sealing ring for the PE double-wall corrugated pipe as claimed in claim 2, wherein the end of the fastening block (8) is trapezoidal, and the fastening block (8) is made of hard metal.

7. The special sealing ring for the PE double-wall corrugated pipe as claimed in claim 1, wherein the outer ring body (6) is provided with a threaded ring layer which is connected with an external pipe joint in an installing manner.