CN220337802U

CN220337802U - Spliced corrugated pipe

Info

Publication number: CN220337802U
Application number: CN202322071222.XU
Authority: CN
Inventors: 王俊庆; 牛正国; 冯志刁; 邵鹏; 刘丹丹
Original assignee: Henan Pengqing Plastic Industry Co ltd
Current assignee: Henan Pengqing Plastic Industry Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-12
Anticipated expiration: 2033-08-03

Abstract

The utility model belongs to the technical field of corrugated pipes, and particularly relates to a spliced corrugated pipe, which comprises a plurality of straight pipes, wherein a plurality of straight pipes are distributed linearly at equal intervals, spherical pipes are fixedly communicated between two adjacent straight pipes, each straight pipe comprises a first connecting pipe, the first connecting pipe is fixedly communicated with one spherical pipe, one end of the first connecting pipe is fixedly communicated with a diameter-including pipe, one end of the diameter-including pipe is fixedly communicated with a second connecting pipe, and the second connecting pipe is fixedly communicated with the other spherical pipe. According to the utility model, when the corrugated pipes are spliced, the diameter-reducing pipe at the corresponding part is cut off, and then the diameter-reducing pipe connected to one end of the second connecting pipe is cut off, so that the insertion pipe outside the second connecting pipe can be inserted into the diameter-reducing pipe, the butt joint of the corrugated pipes is realized, the butt joint operation is simple, and the length of the butt joint part after the butt joint is smaller than that of the original pipeline straight pipe, so that the toughness of the pipeline is not influenced.

Description

Spliced corrugated pipe

Technical Field

The utility model belongs to the technical field of corrugated pipes, and particularly relates to a spliced corrugated pipe.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a hose and other metal corrugated pipes, is mainly applied to the functions of compensating thermal deformation of pipelines, damping, absorbing sedimentation deformation of pipelines and the like, is widely applied to industries such as petrochemical industry, instrument, aerospace industry, chemical industry, electric power, water conservancy, metallurgy and the like, and has irreplaceable functions in the fields such as medium transmission, electric power threading, machine tools, household appliances and the like.

The bellows that usually uses, the distance between two adjacent expansion joints is shorter, and the straight tube diameter between the expansion joints is unified moreover, is difficult to realize the butt joint when the concatenation, often needs to dock with the help of auxiliary connection structure, not only leads to the butt joint operation process complicated, and the butt joint position after the butt joint influences auxiliary connection structure moreover, and the pipeline flexibility that has longer one section distance is relatively poor, leads to being difficult to buckle around the butt joint position after the butt joint.

Disclosure of Invention

The utility model aims to provide a spliced corrugated pipe which is simple in butt joint operation and cannot influence the toughness of a pipeline after butt joint so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but concatenation formula bellows, includes the straight tube, the straight tube has a plurality of, a plurality of the straight tube is linear equidistance and distributes, adjacent two all fixed intercommunication has the bulb between the straight tube, the straight tube includes first connecting pipe, first connecting pipe with one of them bulb fixed intercommunication, the one end fixed intercommunication of first connecting pipe has including the footpath pipe, the one end fixed intercommunication of including the footpath pipe has the second connecting pipe, the second connecting pipe with another bulb fixed intercommunication, the outer wall fixed cover of second connecting pipe is equipped with the intubate.

Further, the spherical pipe, the diameter-reducing pipe and the second connecting pipe are flexible pipes.

Further, the inner diameter and the outer diameter of the first connecting pipe are respectively equal to the inner diameter and the outer diameter of the second connecting pipe.

Further, the inner diameter of the diameter-drawing pipe is equal to the outer diameter of the cannula.

Further, the cannula is a rigid tube.

Further, the middle part of draw together footpath pipe outer wall fixedly connected with cutting ring, the middle part of cutting ring is provided with the ring channel.

Further, one side of the outer wall of the diameter-enlarging pipe is provided with protrusions which are distributed around the axis of the diameter-enlarging pipe at equal intervals, the side wall of the insertion pipe is provided with clamping holes which are distributed around the axis of the insertion pipe at equal intervals, and a plurality of protrusions are arranged in one-to-one correspondence with a plurality of clamping holes.

Compared with the prior art, the utility model has the beneficial effects that: when the corrugated pipe is spliced, the diameter-included pipe at the corresponding position is cut off, then the diameter-included pipe connected to one end of the second connecting pipe is cut off, and the insertion pipe outside the second connecting pipe can be inserted into the diameter-included pipe, so that the butt joint of the corrugated pipe is realized, the butt joint operation is simple, the length of the butt joint position after the butt joint is smaller than that of the original pipeline straight pipe, the toughness of the pipeline cannot be influenced, and the bending of the pipeline is not influenced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

fig. 4 is an enlarged view of the portion B of fig. 3 according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a bulb tube; 2. a straight pipe; 21. a first connection pipe; 22. a diameter-reducing pipe; 221. a protrusion; 23. a second connection pipe; 24. a cannula; 241. a clamping hole; 25. a cutting ring; 26. an annular groove.

Detailed Description

The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.

As shown in fig. 1 and 2, a spliceable corrugated tube comprises straight tubes 2, the straight tubes 2 are provided with a plurality of straight tubes 2, the straight tubes 2 are distributed at linear equidistance, spherical tubes 1 are fixedly communicated between two adjacent straight tubes 2, each straight tube 2 comprises a first connecting tube 21, the first connecting tube 21 is fixedly communicated with one spherical tube 1, one end of the first connecting tube 21 is fixedly communicated with a diameter-including tube 22, one end of the diameter-including tube 22 is fixedly communicated with a second connecting tube 23, the second connecting tube 23 is fixedly communicated with the other spherical tube 1, and a cannula 24 is fixedly sleeved on the outer wall of the second connecting tube 23.

According to the above configuration, when the connecting pipe is spliced, the diameter-enlarged pipe 22 at the corresponding portion is cut, and then the diameter-enlarged pipe 22 connected to one end of the second connecting pipe 23 is cut, so that the insertion pipe 24 outside the second connecting pipe 23 can be inserted into the diameter-enlarged pipe 22, thereby realizing the butt joint of the bellows.

As shown in fig. 3 and 4, the bulb 1, the diameter-including tube 22 and the second connecting tube 23 are flexible tubes, and the inner diameter and the outer diameter of the first connecting tube 21 are equal to those of the second connecting tube 23, respectively.

According to the structure, after butt joint, the inner diameter of the whole pipeline is not changed.

As shown in fig. 4, the inside diameter of the diameter tube 22 is equal to the outside diameter of the cannula 24, and the cannula 24 is a rigid tube.

According to the above structure, during splicing, the insertion pipe 24 is inserted into the cut diameter-enlarged pipe 22, the insertion pipe 24 is a hard pipe, the insertion pipe 24 can provide support at the splicing position after splicing, and the tightness of the joint can be improved after connection.

As shown in fig. 2, a cutting ring 25 is fixedly connected to the middle part of the outer wall of the diameter-included pipe 22, and an annular groove 26 is formed in the middle part of the cutting ring 25.

According to the above structure, when in splicing, the diameter-including pipe 22 is cut along the annular groove 26, the annular groove 26 is arranged to facilitate cutting of the diameter-including pipe 22, and the section is flat, so that subsequent butt joint is facilitated.

As shown in fig. 2, one side of the outer wall of the diameter-including pipe 22 is provided with protrusions 221 which are distributed around the axis of the diameter-including pipe 22 at equal intervals, the side wall of the insertion pipe 24 is provided with clamping holes 241 which are distributed around the axis of the insertion pipe 24 at equal intervals, and a plurality of protrusions 221 are arranged in one-to-one correspondence with a plurality of clamping holes 241.

According to the above structure, during butt joint, the clamping hole 241 is inserted below the boss 221, after butt joint, the hoop is used outside the diameter-reducing pipe 22, and the hoop is arranged at the boss 221, when the hoop is tightened, the boss 221 is inwards recessed, the boss 221 is recessed into the corresponding clamping hole 241, so that two mutually-butted joints are not easy to separate, and the stability and the tightness of the butted joints are improved.

The working principle of the utility model is as follows: when the corrugated pipe is spliced, the diameter-included pipe 22 at the corresponding position is cut off, the diameter-included pipe 22 is cut along the annular groove 26, the annular groove 26 is arranged to facilitate cutting of the diameter-included pipe 22, the cutting surface is smooth and convenient for subsequent butt joint, the part, connected with one end of the second connecting pipe 23, of the diameter-included pipe 22 is cut off after the cutting of the diameter-included pipe 22, the insertion pipe 24 outside the second connecting pipe 23 can be inserted into the inside of the diameter-included pipe 22, so that the butt joint of the corrugated pipe is realized.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a but concatenation formula bellows, includes straight tube (2), its characterized in that: the straight pipe (2) have a plurality of, a plurality of straight pipe (2) are linear equidistance and distribute, and two are adjacent all fixed intercommunication has bulb (1) between straight pipe (2), straight pipe (2) include first connecting pipe (21), first connecting pipe (21) and one of them bulb (1) fixed intercommunication, the one end fixed intercommunication of first connecting pipe (21) has including footpath pipe (22), the one end fixed intercommunication of including footpath pipe (22) has second connecting pipe (23), second connecting pipe (23) and another bulb (1) fixed intercommunication, the fixed cover of outer wall of second connecting pipe (23) is equipped with intubate (24).

2. A spliceable bellows as in claim 1 wherein: the spherical pipe (1), the diameter-reducing pipe (22) and the second connecting pipe (23) are flexible pipes.

3. A spliceable bellows as in claim 1 wherein: the inner diameter and the outer diameter of the first connecting pipe (21) are respectively equal to those of the second connecting pipe (23).

4. A spliceable bellows as in claim 1 wherein: the inner diameter of the diameter-reducing pipe (22) is equal to the outer diameter of the insertion pipe (24).

5. A spliceable bellows as in claim 1 wherein: the cannula (24) is a rigid tube.

6. A spliceable bellows as in claim 1 wherein: the middle part of the outer wall of the diameter-drawing pipe (22) is fixedly connected with a cutting ring (25), and an annular groove (26) is formed in the middle of the cutting ring (25).

7. A spliceable bellows as in claim 1 wherein: one side of the outer wall of the diameter-drawing pipe (22) is provided with protrusions (221) which are distributed around the axis of the diameter-drawing pipe (22) at equal intervals, the side wall of the insertion pipe (24) is provided with clamping holes (241) which are distributed around the axis of the insertion pipe (24) at equal intervals, and a plurality of protrusions (221) are arranged in one-to-one correspondence with a plurality of clamping holes (241).