CN218599036U

CN218599036U - Pressure-resistant helical bellows

Info

Publication number: CN218599036U
Application number: CN202222375122.1U
Authority: CN
Inventors: 戴爱谷
Original assignee: Anhui Xinbang Plastic Industry Co ltd
Current assignee: Anhui Xinbang Plastic Industry Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-03-10
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a withstand voltage helical bellows relates to water supply and drainage pipeline technical field, including main part pipe, outer tube and support piece, outer tube spiral winding is on main part outer wall of tubes, but be formed with the adaptation between main part pipe and outer tube integrated into one piece and main part outer wall of tubes inner wall and hold support piece's cavity, support piece has first supporting part, second supporting part and sector, first supporting part closely laminates in main part outer wall of tubes, the second supporting part is fixed on first supporting part and is propped up the sector so that the arc limit of sector closely laminates in the cavity roof, the utility model discloses a support piece supports of outer tube can effectively promote helical bellows's compressive property.

Description

Pressure-resistant helical bellows

Technical Field

The utility model relates to a water supply and drainage pipeline technical field especially relates to a withstand voltage helical bellows.

Background

The spiral corrugated pipe is mainly made of high-density polyethylene materials, has the characteristics of light weight, good toughness, quick construction, long service life and the like, has an excellent pipe wall structure design, greatly reduces the cost compared with pipes with other structures, and has wide application in the aspects of urban sewage discharge, long-distance low-pressure water delivery, farmland irrigation engineering and the like.

Most of the existing spiral corrugated pipes have general strength, and lack of a structure for buffering the pressure, so that the existing spiral corrugated pipes are easy to deform and damage in the past, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a withstand voltage helical bellows, include: the main part pipe, outer tube and support piece, outer tube spiral winding is on the main part outside of tubes wall, but be formed with the adaptation between main part pipe and outer tube integrated into one piece and main part outside of tubes wall and the outer tube inner wall and hold support piece's cavity, support piece has first supporting part, second supporting part and sector, the tight laminating of first supporting part in the main part outside of tubes wall, the second supporting part is fixed on first supporting part and is propped up the sector so that the tight laminating in cavity roof on the arc limit of sector.

As a further optimization of the above solution, the second support portion is arranged perpendicular to the first support portion and is located at the center of the first support portion, and the sector portion is axially symmetrical with respect to the axis of the second support portion.

As a further optimization of the scheme, the fan-shaped part support device further comprises two groups of inclined supporting pieces for assisting in supporting the fan-shaped part, the two groups of inclined supporting pieces are respectively arranged at two ends of the first supporting part, and the other ends of the inclined supporting pieces are correspondingly connected to the end parts of the arc edges of the fan-shaped part.

As a further optimization of the scheme, the diagonal support piece is smoothly connected with the fan-shaped part, and one side of the diagonal support piece is tightly attached to the inner wall of the chamber.

As a further optimization of the above scheme, the diagonal support member is connected with the first support portion and the fan-shaped portion so that two symmetrical cavity structures are correspondingly formed on two sides of the second support portion.

As a further optimization of the above scheme, the first supporting part, the second supporting part, the fan-shaped part and the diagonal support part are integrally formed.

As a further optimization of the scheme, the central area of the sector part is provided with a through cavity.

Has the advantages that:

1. the utility model discloses in the withstand voltage helical bellows who proposes, carry out the bracketing with support piece as pressure buffer structure to the outer tube, greatly strengthened the pressure resistance of body, make it be unlikely to excessive deformation and lead to the damage when bearing soil pressure.

2. The utility model discloses in the withstand voltage helical bellows who proposes, diagonal brace spare can further promote the supporting role to the outer tube, make it also have good adaptability to the soil pressure that comes from the side direction.

3. The utility model discloses in the withstand voltage helical bellows who proposes, support piece and diagonal member integrated into one piece make its support to the outer tube more powerful, leave the cavity structure and not only practiced thrift the material, can also play the effect of certain slow-pressing power.

Drawings

Fig. 1 is a schematic view of an overall structure of a pressure-resistant helical bellows according to the present invention;

fig. 2 is a schematic cross-sectional view of a connection relationship between a main tube and an outer tube of a pressure-resistant helical bellows according to the present invention;

FIG. 3 is a schematic structural view of embodiment 1;

FIG. 4 is a schematic structural view of embodiment 2;

fig. 5 is a schematic structural view of embodiment 3.

Wherein:

1. a main body tube; 2. an outer tube; 3. a first support section; 4. a second support portion; 5. a sector; 6. a diagonal stay member; 100. a chamber; 110. the cavity is communicated.

Detailed Description

Example 1

Referring to fig. 1, 2, and 3, the present embodiment provides a pressure-resistant helical bellows, including: the main body pipe 1, outer tube 2 and support piece, outer tube 2 spiral winding forms bellows major structure on 1 outer wall of main body pipe, be formed with between 1 outer wall of main body pipe and the 2 inner walls of outer tube and the main body pipe of 2 integrated into one piece and cavity 100 that can adapt and hold support piece, support piece has integrated into one piece's first supporting part 3, second supporting part 4 and scallop 5, first supporting part 3 closely laminates in 1 outer wall of main body pipe, second supporting part 4 is fixed on first supporting part 3 and is propped up scallop 5 so that the arc limit of scallop 5 closely laminates in cavity 100 roof, more specifically, second supporting part 4 arranges perpendicularly and second supporting part 4 is located first supporting part 3 central point with first supporting part 3, scallop 5 is axial symmetry about the axis of second supporting part 4, support piece as pressure buffer structure and support outer tube 2, greatly strengthened the pressure resistance of body, make it unlikely to excessively deform and lead to the damage when bearing soil pressure.

Example 2

The embodiment is a further extension and extension based on embodiment 1, a cavity 100 capable of being adapted to accommodate a supporting member is formed between an outer wall of a main tube 1 and an inner wall of an outer tube 2 and formed between the outer wall of the main tube 1 and the outer wall of the outer tube 2, the supporting member has a first supporting portion 3, a second supporting portion 4 and a sector portion 5 which are integrally formed, the first supporting portion 3 is tightly attached to the outer wall of the main tube 1, the second supporting portion 4 is fixed on the first supporting portion 3 and supports the sector portion 5 so that an arc edge of the sector portion 5 is tightly attached to a top wall of the cavity 100, the embodiment further includes two sets of diagonal supporting members 6 for assisting in supporting the sector portion 5, the two sets of diagonal supporting members 6 are respectively disposed at two ends of the first supporting portion 3, and the other ends of the diagonal supporting members 6 are correspondingly connected to an end portion of the arc edge of the sector portion 5, preferably, the diagonal supporting members 6 are smoothly connected with the supporting member and integrally formed, and the supporting function of the outer tube 2 can be further improved by the diagonal supporting members 6, so that the outer tube has good adaptability to soil pressure from a lateral direction.

Example 3

The embodiment is further extended and expanded on the basis of the embodiment 2, the inclined support part 6 is connected with the first support part 3 and the fan-shaped part 5, so that symmetrical cavity structures are correspondingly formed at two sides of the second support part 4, and meanwhile, the central area of the fan-shaped part 5 is provided with the through cavity 110, so that the cavity structures not only effectively save materials, but also play a role in certain buffer pressure.

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 pressure-resistant helical bellows, comprising: main part pipe (1), outer tube (2) and support piece, outer tube (2) spiral winding is on main part pipe (1) outer wall, but be formed with adaptation between main part pipe (1) outer wall and outer tube (2) inner wall and hold support piece's cavity (100) with outer tube (2) integrated into one piece and main part pipe (1) outer wall, support piece has first supporting part (3), second supporting part (4) and sector (5), first supporting part (3) closely laminate in main part pipe (1) outer wall, second supporting part (4) are fixed on first supporting part (3) and are propped up sector (5) so that the arc limit of sector (5) closely laminates in cavity (100) roof.

2. A pressure-resistant helical bellows as claimed in claim 1, wherein the second support portion (4) is arranged perpendicularly to the first support portion (3) and the second support portion (4) is located at the center of the first support portion (3), and the sectors (5) are axially symmetrical with respect to the axis of the second support portion (4).

3. A pressure-resistant helical bellows as claimed in claim 2, further comprising two sets of diagonal support members (6) for supporting the sector (5) in an auxiliary manner, wherein the two sets of diagonal support members (6) are respectively disposed at two ends of the first support member (3), and the other ends of the diagonal support members (6) are correspondingly connected to the ends of the arc edges of the sector (5).

4. A pressure-resistant helical bellows as claimed in claim 3, wherein the diagonal stay (6) is smoothly connected to the sector (5), and one side of the diagonal stay (6) is closely attached to the inner wall of the chamber (100).

5. A pressure-resistant helical bellows as claimed in claim 4, wherein the diagonal support (6) is connected to the first support portion (3) and the sector portion (5) such that symmetrical cavity structures are formed at both sides of the second support portion (4) correspondingly.

6. A pressure-resistant helical bellows as claimed in claim 5, wherein the first support portion (3), the second support portion (4), the sector portion (5) and the diagonal support member (6) are integrally formed.

7. A pressure-resistant helical bellows as claimed in claim 1, wherein the central region of the sector (5) is provided with a through cavity (110).