CN212643771U

CN212643771U - Modified polypropylene double-wall corrugated pipe

Info

Publication number: CN212643771U
Application number: CN202021020698.0U
Authority: CN
Inventors: 李云伟; 张吉昌; 孙再奇
Original assignee: Kunming Deyuan Electrical Technology Co ltd
Current assignee: Kunming Deyuan Electrical Technology Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-03-02
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a modified polypropylene double-walled bellows, including double-walled bellows main part, the one end fixedly connected with butt joint section of thick bamboo of double-walled bellows main part, the other end fixedly connected with of double-walled bellows main part inserts a section of thick bamboo, and inserts a section of thick bamboo and can correspond the grafting with a butt joint section of thick bamboo, double-walled bellows main part comprises parent tube and outer wall pipe jointly, the parent tube sets up the inside in double-walled bellows main part, the fixed surface with the parent tube of the inner wall of outer wall pipe is laminated mutually, the inside fixed second strengthening rib that is provided with of pipe wall of parent tube, the inside fixed first strengthening rib that is provided with of pipe wall of outer wall pipe, and first strengthening rib sets up. The utility model discloses in, add inside the establishing horizontal strengthening rib of adding of inlayer base pipe structure, the spiral strengthening rib is established along with inside adding of ripple rotation direction in outside outer wall pipe to it strengthens and vertical support to provide horizontal tensile for whole body, thereby guarantees that the intensity of body satisfies the operation requirement.

Description

Modified polypropylene double-wall corrugated pipe

Technical Field

The utility model relates to a double-walled bellows field especially relates to a modified polypropylene double-walled bellows.

Background

A high-density polyethylene (HDPE) double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are mature at present. Due to the excellent performance and the relatively economic cost, the method has been greatly popularized and applied in developed countries such as Europe and America.

Among the current double-walled bellows structure, the structure sets up singlely, mainly provide bulk strength through outer pipe, compressive strength is limited, tensile strength is less, the high practical requirement of intensity requirement can't be satisfied, general double-walled bellows is whole to be set up longer, directly cut the use during the use, can't realize simple and easy butt joint on the one hand, on the other hand increases work consuming time, the practicality is low, among the prior art, increase intensity through adding the annular muscle in that outer intraduct is inside, but the annular muscle cost is high, be not convenient for add establish inside the body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a modified polypropylene double-wall corrugated pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a modified polypropylene double-walled bellows, includes double-walled bellows main part, the one end fixedly connected with butt joint section of thick bamboo of double-walled bellows main part, the other end fixedly connected with of double-walled bellows main part inserts a section of thick bamboo, and inserts a section of thick bamboo and a butt joint section of thick bamboo and can correspond the grafting, double-walled bellows main part comprises parent tube and outer wall pipe jointly, the parent tube sets up the inside in double-walled bellows main part, the fixed surface with the parent tube of the inner wall of outer wall pipe is laminated mutually, the inside fixed second strengthening rib that is provided with of pipe wall of parent tube, the inside fixed first strengthening rib that is provided with of pipe wall of outer wall pipe, and.

As a further description of the above technical solution:

the length setting of second strengthening rib is the same with the body length of parent tube, the second strengthening rib setting direction is the same with the body trend of parent tube, the second strengthening rib is fixed along the fixed four that are provided with of the pipe wall inside circumference equidistance of parent tube.

As a further description of the above technical solution:

the fixed spiral annular that is provided with of shaft of outer wall pipe is protruding, the fixed isosceles trapezoid that sets up of bellied cross section of annular, first strengthening rib corresponds the fixed inside top surface middle part position that sets up at the shaft annular of outer wall pipe, the protruding trend of shaft annular of first strengthening rib along outer wall pipe sets up to one.

As a further description of the above technical solution:

insert a section of thick bamboo and correspond fixed connection in the pipe shaft one end of parent tube, insert the barrel body surface equidistance parallel arrangement of a section of thick bamboo and have two spacing.

As a further description of the above technical solution:

the butt joint section of thick bamboo corresponds the fixed pipe shaft one end that sets up at the outer wall pipe, inside the first strengthening rib of outer wall inside runs through to the body of butt joint section of thick bamboo, the inner wall equidistance parallel arrangement of butt joint section of thick bamboo has two spacing grooves, the spacing groove corresponds with spacing each other.

As a further description of the above technical solution:

the barrel body length of inserting the section of thick bamboo sets up the same with the barrel body length of butt joint section of thick bamboo, and the external diameter size of inserting a section of thick bamboo sets up the same with the internal diameter size of butt joint section of thick bamboo.

As a further description of the above technical solution:

the base pipe and the outer wall pipe are both made of modified polypropylene.

The utility model discloses following beneficial effect has:

1. the utility model discloses among the modified polypropylene double-walled bellows structure, add inside establishing horizontal strengthening rib at inlayer base tube structure, the spiral strengthening rib is established along with inside adding of ripple rotation direction in outside outer wall pipe is inside to provide horizontal tensile enhancement and vertical support enhancement for whole body, thereby guarantee that the intensity of body satisfies the operation requirement.

2. The utility model discloses among the modified polypropylene double-walled bellows structure, the both ends of a lesson bellows are fixed respectively and are provided with a butt joint section of thick bamboo and insert a section of thick bamboo to the butt joint section of thick bamboo can be pegged graft fixedly between inserting a section of thick bamboo, realizes the simple and easy connection operation of multisection modified polypropylene double-walled bellows.

Drawings

FIG. 1 is a front sectional view of a modified polypropylene double-wall corrugated pipe;

FIG. 2 is a front view of a modified polypropylene double wall corrugated pipe;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is a sectional view of a base pipe of a modified polypropylene double-wall corrugated pipe.

Illustration of the drawings:

1. a double-walled bellows body; 2. a base pipe; 3. an outer wall pipe; 4. a docking barrel; 5. inserting a cylinder; 6. a limiting strip; 7. a limiting groove; 8. a first reinforcing rib; 9. and a second reinforcing rib.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a modified polypropylene double-walled bellows, including double-walled bellows main part 1, the one end fixedly connected with butt joint section of thick bamboo 4 of double-walled bellows main part 1, the butt joint subassembly of one end is provided, the other end fixedly connected with of double-walled bellows main part 1 inserts a section of thick bamboo 5, and insert a section of thick bamboo 5 and butt joint section of thick bamboo 4 and correspond and peg graft, realize the simple and easy butt joint operation of butt joint double-walled bellows main part 1, double-walled bellows main part 1 comprises base pipe 2 and outer wall pipe 3 jointly, base pipe 2 sets up the inside at double-walled bellows main part 1, the fixed surface with base pipe 2 of the inner wall of outer wall pipe 3 laminates mutually, the inside fixed second strengthening rib 9 that is provided with of pipe wall of base pipe 2, the enhancement that provides horizontal tensile ability, the inside fixed first strengthening rib 8 that is provided with of pipe.

The length of the second reinforcing ribs 9 is the same as the length of the tube body of the base tube 2, the setting direction of the second reinforcing ribs 9 is the same as the direction of the tube body of the base tube 2, the second reinforcing ribs 9 are fixedly provided with four spiral annular bulges along the inner circumference of the tube wall of the base tube 2 at equal intervals to ensure the strength of the whole tube body, the tube body of the outer wall tube 3 is fixedly provided with a spiral annular bulge, the cross section of the annular bulge is fixedly arranged into an isosceles trapezoid, the shape is changed to increase the bearing capacity, the first reinforcing ribs 8 are correspondingly and fixedly arranged at the middle position of the top surface of the inner annular bulge of the tube body of the outer wall tube 3, the first reinforcing ribs 8 are arranged into one along the direction of the annular bulge of the tube body of the outer wall tube 3, the arrangement is convenient, the inserting tube 5 is correspondingly and fixedly connected with one end of the tube body of the base tube 2, two, inside first strengthening rib 8 of outer wall pipe 3 runs through to the stack shell of a butt joint section of thick bamboo 4 inside, the inner wall equidistance parallel arrangement of a butt joint section of thick bamboo 4 has two spacing grooves 7, spacing groove 7 corresponds each other with spacing 6, it is fixed to realize the butt joint, the stack shell length setting of inserting a section of thick bamboo 5 is the same with the stack shell length of a butt joint section of thick bamboo 4, and the external diameter size of inserting a section of thick bamboo 5 sets up the same with the internal diameter size of a butt joint section of thick bamboo 4, guarantee the butt joint precision, the material of parent tube 2 and outer wall pipe 3 all sets up to modified polypropylene, change former material and directly increase intensity.

The working principle is as follows: when carrying out double-walled bellows preparation operation process, 2 inside add of inlayer base pipe structure establishes horizontal second strengthening

rib

9, 3 inside add along with the ripple direction of rotation in the outside outer wall pipe and establish spiral first strengthening rib 8, thereby strengthen and vertical support for double-walled bellows main part 1 provides horizontal tensile enhancement, thereby guarantee that the intensity of double-walled bellows main part 1 satisfies the operation requirement, the both ends of a lesson double-walled bellows main part 1 are fixed respectively and are provided with an interfacing section of thick bamboo 4 and insert a section of thick bamboo 5, and it is fixed to peg graft between an interfacing section of thick bamboo 4 and the insert a section of thick bamboo 5, realize the simple and easy connection operation of multisection modified polypropylene double-walled bellows main part 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A modified polypropylene double-wall corrugated pipe comprises a double-wall corrugated pipe main body (1) and is characterized in that: the one end fixedly connected with of double-walled bellows main part (1) is to a butt joint section of thick bamboo (4), the other end fixedly connected with of double-walled bellows main part (1) inserts a section of thick bamboo (5), and inserts a section of thick bamboo (5) and can correspond grafting with a butt joint section of thick bamboo (4), double-walled bellows main part (1) comprises base tube (2) and outer wall pipe (3) jointly, base tube (2) set up the inside in double-walled bellows main part (1), the inner wall of outer wall pipe (3) is fixed to be laminated with the surface of base tube (2) mutually, the inside fixed second strengthening rib (9) that is provided with of pipe wall of base tube (2), the inside fixed first strengthening rib (8) that is provided with of pipe wall of outer wall pipe (3), and first strengthening rib (8) set up to the screw-.

2. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: the length setting of second strengthening rib (9) is the same with the body length of parent tube (2), second strengthening rib (9) set up the direction and move towards the same with the body of parent tube (2), second strengthening rib (9) are fixed along the inside circumference equidistance of the pipe wall of parent tube (2) and are provided with four.

3. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: the fixed spiral annular that is provided with of shaft of outer wall pipe (3) is protruding, the fixed isosceles trapezoid that sets up of bellied cross section of annular, first strengthening rib (8) correspond fixed setting in the protruding inside top surface middle part position of shaft annular of outer wall pipe (3), the protruding trend of shaft annular of first strengthening rib (8) along outer wall pipe (3) sets up to one.

4. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: insert a section of thick bamboo (5) and correspond fixed connection in the shaft one end of parent tube (2), the shaft surface equidistance parallel arrangement who inserts a section of thick bamboo (5) has two spacing (6).

5. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: the butt joint section of thick bamboo (4) correspond fixed setting in the stack shell one end of outer wall pipe (3), the inside first strengthening rib (8) of outer wall pipe (3) run through to the stack shell inside of butt joint section of thick bamboo (4), the inner wall equidistance parallel arrangement of butt joint section of thick bamboo (4) has two spacing grooves (7), spacing groove (7) correspond each other with spacing strip (6).

6. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: the barrel body length of the inserting barrel (5) is the same as that of the butt-joint barrel (4), and the outer diameter of the inserting barrel (5) is the same as that of the butt-joint barrel (4).

7. The modified polypropylene double-wall corrugated pipe as claimed in claim 1, wherein: the base pipe (2) and the outer wall pipe (3) are both made of modified polypropylene.