CN214887321U

CN214887321U - Exhaust corrugated pipe

Info

Publication number: CN214887321U
Application number: CN202120263620.XU
Authority: CN
Inventors: 井洪涛; 严伟
Original assignee: Jiujiang Kangsheng Mechanical Equipment Manufacturing Co ltd
Current assignee: Jiujiang Kangsheng Mechanical Equipment Manufacturing Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-11-26
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses an exhaust corrugated pipe, including a pipe body, the both ends of body are equipped with the mouth-piece, and the body comprises outer pipe and the inlayer pipe of locating in the outer pipe lumen, are equipped with the sleeve pipe between inlayer pipe and the outer pipe, and the outside cover of body is equipped with the steel wire net cover, and the lateral wall and the steel wire net cover welding of mouth-piece, the medial extremity of mouth-piece are equipped with the cell body that equals with the body wall thickness, and the tip insertion groove of body is internal. The installation is convenient, the structure is reasonable and simple, and the two-layer design and the design of the elastic sleeve have the functions of shock resistance, impact alleviation, heat insulation, sound insulation and the like; the corrugation of the corrugated outer pipe is prevented from being directly impacted by high-temperature airflow, so that the corrugated outer pipe is not easy to crack and leak air; the outer side of the corrugated pipe body is sleeved with a steel wire mesh sleeve which can restrict the deformation degree of the corrugated pipe body; increasing the service life thereof.

Description

Exhaust corrugated pipe

Technical Field

The utility model relates to a bellows technical field particularly, relates to an exhaust bellows.

Background

The exhaust corrugated pipe is a shock-resistant elastic compensation device arranged on an exhaust pipe section of an engine, and aims to compensate shaft displacement of an engine exhaust pipe caused by expansion and contraction of heat during use and reduce the possibility of breakage of the exhaust pipe or damage of other connecting pieces caused by vibration of the engine.

At present, the exhaust corrugated pipe is mostly of a single-layer corrugated pipe structure, the structure is simple, if the temperature difference between the external temperature and the tail gas in the corrugated pipe is too large, the exhaust corrugated pipe can be caused to deform greatly, the internal stress of the exhaust corrugated pipe is changed, the strength is reduced, the exhaust corrugated pipe is influenced by high-temperature high vibration frequency in use, cracks are easily generated and damaged, and the problems of poor fixing sealing property, short service life and the like are solved.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides an exhaust bellows, stable in structure is difficult for the fracture gas leakage, and long service life can overcome the above-mentioned not enough of prior art.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows: the utility model provides an exhaust corrugated pipe, includes the body, the both ends of body are equipped with the mouth-piece, the body comprises outer pipe and the inlayer pipe of locating in the outer pipe lumen, be equipped with the sleeve pipe between inlayer pipe and the outer pipe, the outside cover of body is equipped with the steel wire net cover, the lateral wall of mouth-piece with the steel wire net cover welding, the medial extremity of mouth-piece be equipped with the cell body that the body wall thickness equals, the tip of body inserts in the cell body.

Furthermore, the interface tube is of a cylindrical structure, and the joint of the interface tube and the tube body is of a stepped structure.

Further, the interface tube is far away from the one end outside of body is fixed with solid fixed ring, gu fixed ring outside joint has the clamp.

Furthermore, the outer layer pipe, the inner layer pipe and the interface pipe are all made of stainless steel materials.

Furthermore, the sleeve is an elastic sleeve, the inner walls of the outer layer pipe and the inner layer pipe are both provided with corrugated grooves, and the two sides of the sleeve are filled into the corrugated grooves.

Furthermore, a clamping sleeve which is pressed on the interface tube is arranged on the outer side of the steel wire net sleeve, and the clamping sleeve is welded with the interface tube.

The utility model has the advantages that: the installation is convenient, the structure is reasonable and simple, and the two-layer design and the design of the elastic sleeve have the functions of shock resistance, impact alleviation, heat insulation, sound insulation and the like; the corrugation of the corrugated outer pipe is prevented from being directly impacted by high-temperature airflow, so that the corrugated outer pipe is not easy to crack and leak air; the outer side of the corrugated pipe body is sleeved with a steel wire mesh sleeve which can restrict the deformation degree of the corrugated pipe body; increasing the service life thereof.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an exhaust bellows according to an embodiment of the present invention.

In the figure: 10. a pipe body; 20. a mouthpiece; 20-1, a trough body; 20-2, fixing a ring; 20-3, clamping; 1. an outer tube; 2. an inner layer tube; 3. a sleeve; 4. a steel wire mesh sleeve; 4-1 and a ferrule.

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 all belong to the protection scope of the present invention.

As shown in fig. 1, according to the embodiment of the present invention, an exhaust corrugated pipe comprises a pipe body 10, the two ends of the pipe body 10 are provided with a mouthpiece 20, the pipe body 10 is composed of an outer layer pipe 1 and an inner layer pipe 2 arranged in the pipe cavity of the outer layer pipe 1, a sleeve 3 is arranged between the inner layer pipe 2 and the outer layer pipe 1, the outer side sleeve of the pipe body 10 is provided with a steel wire mesh sleeve 4, the outer side wall of the mouthpiece 20 is welded with the steel wire mesh sleeve 4, the inner side end of the mouthpiece 20 is provided with a groove body 20-1 equal to the wall thickness of the pipe body 10, and the end of the pipe body 10 is inserted into the groove body 20-1.

In a specific embodiment of the present invention, the mouthpiece 20 is a cylindrical structure, and the joint between the mouthpiece 20 and the tube body 10 is a stepped structure.

In an embodiment of the present invention, a fixing ring 20-2 is fixed on an outer side of an end of the mouthpiece 20 away from the tube body 10, and a clip 20-3 is clipped on an outer side of the fixing ring 20-2.

In one embodiment of the present invention, the outer tube 1, the inner tube 2 and the mouthpiece 20 are made of stainless steel.

In a specific embodiment of the present invention, the sleeve 3 is an elastic sleeve, the inner walls of the outer layer tube 1 and the inner layer tube 2 are both provided with corrugated grooves, and both sides of the sleeve 3 are filled into the corrugated grooves.

In a specific embodiment of the present invention, a cutting sleeve 4-1 pressed on the interface tube 20 is disposed outside the steel wire mesh sleeve 4, and the cutting sleeve 4-1 is welded to the interface tube 20.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.

When the corrugated pipe is used specifically, the corrugated pipe comprises a pipe body 10, the two ends of the pipe body 10 are provided with a mouthpiece 20, the end part of the inner side of the mouthpiece 20 is provided with a groove body 20-1 with the same wall thickness as the pipe body 10, the end part of the pipe body 10 is inserted into the groove body 20-1, the outer layer pipe 1, the inner layer pipe 2 and the sleeve 3 are fixed together by the groove body 20-1, the installation is convenient, the mouthpiece 20 is of a cylindrical structure, and the joint of the mouthpiece 20 and the pipe body 10 is of a stepped structure; the size of the joint of the mouth piece 20 and the pipe body 10 is larger than that of the outer cylinder, a fixing ring 20-2 is fixed on the outer side of one end of the mouth piece 20, which is far away from the pipe body 10, and a clamp 20-3 is clamped on the outer side of the fixing ring 20-2, so that the mouth piece is conveniently connected with an exhaust pipe.

The pipe body 10 comprises outer pipe 1 and inner pipe 2 arranged in the pipe cavity of the outer pipe 1, a sleeve 3 is arranged between the inner pipe 2 and the outer pipe 1, the sleeve 3 is an elastic sleeve, the inner walls of the outer pipe 1 and the inner pipe 2 are both provided with corrugated grooves, the two sides of the sleeve 3 are filled in the corrugated grooves, the sleeve 3 is extruded by the outer pipe 1 and the inner pipe 2 and is filled in gaps, the bearing capacity of the pipe body 1 can be improved, meanwhile, the sealing performance is better, and the anti-seismic performance can be obviously improved.

The outer side of the tube body 10 is sleeved with the steel wire mesh 4, the outer side wall of the interface tube 20 is welded with the steel wire mesh 4, the outer side of the steel wire mesh 4 is provided with a clamping sleeve 4-1 which is pressed on the interface tube 20, the clamping sleeve 4-1 is welded with the interface tube 20, and the clamping sleeve 4-1 wraps the welding point of the steel wire mesh 4 and the interface tube 20, so that the service life is prolonged.

The outer layer tube 1, the inner layer tube 2 and the mouthpiece 20 are all made of stainless steel.

In conclusion, by means of the technical scheme of the utility model, the installation is convenient, the structure is reasonable and simple, and the functions of shock resistance, impact relaxation, heat insulation, sound insulation and the like are achieved through the two-layer design and the design of the elastic sleeve; the corrugation of the corrugated outer pipe is prevented from being directly impacted by high-temperature airflow, so that the corrugated outer pipe is not easy to crack and leak air; the outer side of the corrugated pipe body is sleeved with a steel wire mesh sleeve which can restrict the deformation degree of the corrugated pipe body; increasing the service life thereof.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The exhaust corrugated pipe comprises a pipe body (10), wherein interface tubes (20) are arranged at two ends of the pipe body (10), and the exhaust corrugated pipe is characterized in that the pipe body (10) consists of an outer layer pipe (1) and an inner layer pipe (2) arranged in a pipe cavity of the outer layer pipe (1), a sleeve (3) is arranged between the inner layer pipe (2) and the outer layer pipe (1), a steel wire mesh sleeve (4) is sleeved on the outer side of the pipe body (10), the outer side wall of the interface tube (20) is welded with the steel wire mesh sleeve (4), a groove body (20-1) equal to the wall thickness of the pipe body (10) is arranged at the inner side end of the interface tube (20), and the end part of the pipe body (10) is inserted into the groove body (20-1).

2. An exhaust bellows according to claim 1, wherein the mouthpiece (20) is of a cylindrical configuration and the junction between the mouthpiece (20) and the body (10) is of a stepped configuration.

3. An exhaust corrugated pipe according to claim 1, wherein a fixing ring (20-2) is fixed on the outer side of one end of the joint pipe (20) far away from the pipe body (10), and a clamp (20-3) is clamped on the outer side of the fixing ring (20-2).

4. An exhaust bellows according to claim 1, wherein the outer tube (1), the inner tube (2) and the mouthpiece (20) are all made of stainless steel.

5. An exhaust corrugated pipe according to claim 1, wherein the sleeve (3) is an elastic sleeve, the inner walls of the outer layer pipe (1) and the inner layer pipe (2) are provided with corrugated grooves, and both sides of the sleeve (3) are filled in the corrugated grooves.

6. An exhaust corrugated pipe according to claim 1, characterized in that the outer side of the steel wire mesh (4) is provided with a clamping sleeve (4-1) which is pressed on the connector pipe (20), and the clamping sleeve (4-1) is welded with the connector pipe (20).