CN217108580U

CN217108580U - Corrugated pipe

Info

Publication number: CN217108580U
Application number: CN202220694402.6U
Authority: CN
Inventors: 周久富; 夏晖
Original assignee: Zhejiang Kesai New Material Technology Co ltd
Current assignee: Zhejiang Kesai New Material Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-02
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to a body technical field especially relates to a bellows. Including the ripple section, the ripple section include a plurality of axial evenly distributed's tilt ring, the tilt ring by one end to other end outside slope gradually, all link to each other through flat ring between arbitrary two adjacent tilt ring, the outer terminal surface in flat ring outside link to each other with the tilt ring main aspects of one end, the inboard inner terminal surface of flat ring links to each other with the tilt ring tip of the other end. Compared with the prior art, the corrugated pipe has the advantages that: 1. reasonable in design easily extends and bends. 2. Firm in structure and long in service life. 3. The structure is suitable for use with various high temperature plastics including, without limitation, PTFE, PFA, PEEK, and the like.

Description

Corrugated pipe

Technical Field

The utility model relates to a body technical field especially relates to a bellows.

Background

The corrugated pipe is a foldable, extensible and bendable tubular elastic part, the plastic corrugated pipe is widely applied to the fields of wire harness protection, liquid conveying and the like, and the existing spiral corrugated pipe has the problems of low bending degree and low elongation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a reasonable in design, easily extension and crooked bellows.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this bellows, its characterized in that includes the ripple section, the ripple section include a plurality of axial evenly distributed's tilt ring, the tilt ring by one end to other end slope to the outside gradually, all link to each other through flat ring between two arbitrary adjacent tilt rings, the outer terminal surface in flat ring outside link to each other with the tilt ring main aspects of one end, the inboard interior terminal surface of flat ring links to each other with the tilt ring tip of the other end.

In the above corrugated pipe, an included angle formed between the outer end surface of the flat ring and the outer wall of the large end of the inclined ring at the adjacent end is an acute angle, an included angle formed between the outer end surface of the flat ring and the outer wall of the small end of the inclined ring at the adjacent end is an acute angle, an included angle formed between the inner end surface of the flat ring and the inner wall of the large end of the inclined ring at the adjacent end is an acute angle, and an included angle formed between the inner end surface of the flat ring and the inner wall of the small end of the inclined ring at the adjacent end is an acute angle.

In the above corrugated tube, the outer end surface and the inner end surface are parallel to each other.

In the corrugated pipe, pipe bodies are respectively arranged at two ends of the corrugated section, and the pipe bodies are provided with a plurality of corrugated sections which are distributed at intervals.

In the above corrugated tube, the inner diameter of the tube body is smaller than or equal to the minimum inner diameter of the corrugated section.

In the corrugated pipe, the outer diameter of the pipe body is smaller than that of the corrugated section.

In the corrugated pipe, the inner end surface and the outer end surface of the flat ring are perpendicular to the central axis of the corrugated section.

In the above corrugated tube, a ratio of a wall thickness of the inclined ring to an axial length of the flat ring to a wall thickness of the tube body is 1: 1: 1.

in the corrugated pipe, the cross section of the outer ring body is arc-shaped.

In the above corrugated tube, the outer ring body has an outward camber direction.

Compared with the prior art, the corrugated pipe has the advantages that: 1. reasonable in design easily extends and bends. 2. Firm in structure and long in service life. 3. The structure is suitable for use with various high temperature plastics including, without limitation, PA, PTFE, PFA, PEEK, PI, FEP, and the like.

Drawings

Fig. 1 is a schematic diagram of a main structure provided by the present invention.

Fig. 2 is a schematic sectional structural view provided by the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic structural diagram of a multiple corrugated section according to the present invention.

In the figure, a corrugated segment 1, an inclined ring 2, an outer end surface 31, a flat ring 3, an inner end surface 32 and a pipe body 4.

Detailed Description

As shown in fig. 1-4, the corrugated pipe includes a corrugated section 1, the corrugated section 1 includes a plurality of inclined rings 2 which are axially and uniformly distributed, the inclined rings 2 are gradually inclined to the outside from one end to the other end, any two adjacent inclined rings 2 are connected through a flat ring 3, an outer end face 31 on the outer side of the flat ring 3 is connected with a large end of the inclined ring 2 at one end, an inner end face 32 on the inner side of the flat ring 3 is connected with a small end of the inclined ring 2 at the other end, and the corrugated section 1 is integrally formed, that is, the inclined rings 2 and the flat rings 3 are connected into an integral structure. The above structure enables the corrugated section 1 to have an improved degree of bending and elongation.

More specifically, the included angle formed between the outer end surface 31 of the flat ring 3 and the outer wall of the large end of the inclined ring 2 at the adjacent end is an acute angle, the included angle formed between the outer end surface 31 of the flat ring 3 and the outer wall of the small end of the inclined ring 2 at the adjacent end is an acute angle, the included angle formed between the inner end surface 32 of the flat ring 3 and the inner wall of the large end of the inclined ring 2 at the adjacent end is an acute angle, the included angle formed between the inner end surface 32 of the flat ring 3 and the inner wall of the small end of the inclined ring 2 at the adjacent end is an acute angle, and the outer end surface 31 and the inner end surface 32 are parallel to each other.

Namely: the large end of the inclined ring 2 and the adjacent flat ring 3 are in a V shape, and the small end of the inclined ring 2 and the adjacent flat ring 3 are in a V shape.

As shown in fig. 4, two ends of the corrugated section 1 are respectively provided with a pipe body 4, the pipe body 4 is a circular hollow pipe, and the pipe body 4 is provided with a plurality of the corrugated sections 1 distributed at intervals.

Preferably, the inner diameter of the tubular body 4 is less than or equal to the minimum inner diameter of the corrugated section 1.

Preferably, the outer diameter of the tubular body 4 is smaller than the outer diameter of the corrugated section 1.

Preferably, the inner end surface 32 and the outer end surface 31 of the flat ring 3 are perpendicular to the central axis of the corrugated section 1.

Preferably, the ratio of the wall thickness of the inclined ring 2, the axial length of the flat ring 3 and the wall thickness of the tubular body 4 is 1: 1: 1.

the cross section of the inclined ring 2 is arc-shaped, and the arching direction of the inclined ring 2 faces outwards. The cross section of the inclined ring 2 is arc-shaped, so that the elongation of the corrugated pipe can be effectively improved.

More specifically, the corrugated pipe is made of any one of PA, PTFE, PFA, PEEK, PI and FEP.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms corrugated section 1, inclined ring 2, outer end surface 31, flat ring 3, inner end surface 32, tubular body 4, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a corrugated pipe, its characterized in that includes ripple section (1), ripple section (1) including a plurality of axial evenly distributed's slope ring (2), slope ring (2) by one end to other end slope to the outside gradually, all link to each other through flat ring (3) between arbitrary two adjacent slope rings (2), outer terminal surface (31) in flat ring (3) outside link to each other with the slope ring (2) of one end is big end, flat ring (3) inboard interior terminal surface (32) link to each other with the slope ring (2) tip of the other end.

2. The corrugated pipe according to claim 1, wherein an included angle formed between the outer end surface (31) of the flat ring (3) and the outer wall of the large end of the inclined ring (2) at the adjacent end is an acute angle, an included angle formed between the outer end surface (31) of the flat ring (3) and the outer wall of the small end of the inclined ring (2) at the adjacent end is an acute angle, an included angle formed between the inner end surface (32) of the flat ring (3) and the inner wall of the large end of the inclined ring (2) at the adjacent end is an acute angle, and an included angle formed between the inner end surface (32) of the flat ring (3) and the inner wall of the small end of the inclined ring (2) at the adjacent end is an acute angle.

3. Bellows according to claim 2, wherein the outer end surface (31) and the inner end surface (32) are parallel to each other.

4. The corrugated pipe according to claim 1, 2 or 3, wherein pipe bodies (4) are respectively arranged at two ends of the corrugated section (1), and a plurality of the corrugated sections (1) are distributed at intervals on the pipe bodies (4).

5. The bellows according to claim 4, wherein the inner diameter of the tubular body (4) is less than or equal to the smallest inner diameter of the bellows segment (1).

6. The bellows according to claim 5, wherein the outer diameter of the tubular body (4) is smaller than the outer diameter of the bellows segment (1).

7. The bellows according to claim 1, 2 or 3, wherein the inner (32) and outer (31) faces of the flat ring (3) are perpendicular to the central axis of the bellows (1).

8. The bellows according to claim 1 or 2 or 3, wherein the ratio of the wall thickness of the inclined ring (2), the axial length of the flat ring (3) and the wall thickness of the tubular body (4) is 1: 1: 1.

9. the bellows according to claim 1, 2 or 3, wherein the inclined ring (2) has an arcuate cross-section.

10. The bellows according to claim 9, wherein the camber of the inclined ring (2) is directed outwards.