CN218030343U

CN218030343U - Airtight corrugated pipe

Info

Publication number: CN218030343U
Application number: CN202221566540.2U
Authority: CN
Inventors: 潘军; 吴晓萍
Original assignee: Zhejiang Westphal Machinery Technology Co ltd
Current assignee: Zhejiang Westphal Machinery Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-13
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an airtight corrugated pipe, which comprises a pipe body, wherein the pipe body comprises a flexible pipe body positioned inside and a corrugated pipe body positioned outside the flexible pipe; the two ends of the tube body are respectively connected with the mounting head through sealing structures; the flexible pipe body is made of the metal hose and made of SUS 304 stainless steel, so that the product is high in density, good in softness, good in stretching performance and good in heat preservation performance, and the service life of the exhaust corrugated pipe is prolonged. Simultaneously the utility model discloses a seal structure, the gas tightness is good, can improve holistic leakproofness.

Description

Airtight corrugated pipe

Technical Field

The utility model relates to an exhaust bellows technical field specifically is an airtight type bellows.

Background

The automobile corrugated pipe is installed between an engine exhaust branch pipe and a silencer, so that the whole exhaust system is flexibly connected, the noise reduction effect is achieved, and the automobile corrugated pipe is mainly used for light trucks, minibuses and buses. Most of the existing exhaust bellows have a single structure, and there is still room for improvement in flexibility and sealing performance, so the inventor provides an improvement, and the invention is based on the improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight type bellows to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an airtight type corrugated pipe, characterized in that: the flexible pipe comprises a pipe body, wherein the pipe body comprises a flexible pipe body positioned inside and a corrugated pipe body positioned outside the flexible pipe body; and two ends of the pipe body are respectively connected with the mounting head through sealing structures.

It is further preferable that a connection layer is provided between the flexible pipe body and the corrugated pipe body.

It is right the utility model discloses do further preferred, seal structure is a sealing washer, the sealing washer is including the first circle body that is located the inlayer to and the outside bottom that is located first circle body forms the second circle body, the up end of second circle body with sealed step face between the outer wall of first circle body.

To the utility model discloses do further preferably first round is internal to be equipped with embedded steel wire.

To the utility model discloses do further preferred the second circle is internal to be equipped with embedded steel wire.

It is further preferred to the utility model discloses do, form the installation step that matches with seal structure in the installation head.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model comprises a pipe body, which comprises a flexible pipe body positioned inside and a corrugated pipe body positioned outside the flexible pipe; the two ends of the tube body are respectively connected with the mounting head through sealing structures; the flexible pipe body is made of the metal hose and made of SUS 304 stainless steel, so that the product is high in density, good in softness, good in stretch and good in heat preservation, and the service life of the exhaust corrugated pipe is prolonged. Simultaneously the utility model discloses a seal structure, the gas tightness is good, can improve holistic leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the mounting head of the present invention.

Fig. 4 is a schematic view of the middle sealing structure of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an airtight corrugated pipe, which is characterized in that: the pipe comprises a pipe body 1, wherein the pipe body 1 comprises a flexible pipe body 3 positioned inside and a corrugated pipe body 4 positioned outside the flexible pipe body 3; the two ends of the pipe body are respectively connected with the mounting head 2 through a sealing structure, the flexible pipe body is a metal hose made of SUS 304 stainless steel, so that the product is high in density, good in flexibility and good in stretching, the service life of the exhaust corrugated pipe is prolonged, a connecting layer 5 is arranged between the flexible pipe body 3 and the corrugated pipe body 4, the sealing structure is a sealing ring 6, the sealing ring 6 comprises a first ring body 8 positioned on an inner layer and a second ring body 9 positioned at the bottom end of the outer side of the first ring body 8, a sealing step surface 10 is arranged between the upper end surface of the second ring body 8 and the outer wall of the first ring body 9 and is matched with the mounting step 7, a mounting surface 11 is formed between the inner side surface of the second ring body 8 and the lower end surface of the first ring body 9 and is matched with a corrugated pipe joint part in a sealing connection, an embedded steel wire 12 is arranged in the first ring body 8, and an embedded steel wire 12 is arranged in the second ring body 9, so that the overall structural strength of the sealing ring is improved, and the mounting step 7 matched with the mounting head is formed in the sealing structure; the utility model discloses an installation step and seal structure realize fine installation sealing performance for whole bellows sealing performance is good, improves holistic performance.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An airtight type corrugated pipe, characterized in that: the flexible pipe comprises a pipe body, wherein the pipe body comprises a flexible pipe body positioned inside and a corrugated pipe body positioned outside the flexible pipe body; and two ends of the pipe body are respectively connected with the mounting head through sealing structures.

2. A bellows of the airtight type as claimed in claim 1, wherein: a connecting layer is arranged between the flexible pipe body and the corrugated pipe body.

3. A bellows of the airtight type as defined in claim 1, wherein: the sealing structure is a sealing ring, the sealing ring comprises a first ring body located on the inner layer and a second ring body formed at the bottom end of the outer side of the first ring body, and a step surface is sealed between the upper end surface of the second ring body and the outer wall of the first ring body.

4. A bellows of the airtight type as claimed in claim 3, wherein: an embedded steel wire is arranged in the first ring body.

5. A gas-tight bellows as claimed in claim 3, wherein: an embedded steel wire is arranged in the second ring body.

6. A bellows of the airtight type as claimed in claim 1, wherein: and a mounting step matched with the sealing structure is formed in the mounting head.