CN204942838U - A kind of pipeline flexible connection structure - Google Patents
A kind of pipeline flexible connection structure Download PDFInfo
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- CN204942838U CN204942838U CN201520723246.1U CN201520723246U CN204942838U CN 204942838 U CN204942838 U CN 204942838U CN 201520723246 U CN201520723246 U CN 201520723246U CN 204942838 U CN204942838 U CN 204942838U
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- pipeline
- connecting member
- flexible connecting
- conversion adapter
- connection structure
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Abstract
The utility model discloses a kind of pipeline flexible connection structure, relate to technical field of pipeline connection.Described pipeline flexible connection structure, for connecting the first pipeline (6) and the second pipeline (7), comprise retaining ring (1), flexible connecting member (2), support steel ring (3) and pipeline conversion adapter (5), wherein, described support steel ring (3) is arranged on the middle part of described flexible connecting member (2); Described pipeline conversion adapter (5) is connected with the first pipeline (6); The two ends of described flexible connecting member (2) are connected with described second pipeline (7) and pipeline conversion adapter (5) respectively by retaining ring (1).The utility model has the advantage of: two pipelines be connected are connected by flexible connecting member, can be good at sealing the pipeline be connected, pipeline conversion adapter is connected with the pipeline that one of them is connected, the canal path be connected with another to and axially all there is gap, by the distortion of flexible connecting member, can vibration in suction line and thermal expansion.
Description
Technical field
The utility model relates to technical field of pipeline connection, particularly relates to a kind of pipeline flexible connection structure.
Background technique
Pipeline is flexible coupling and is widely used in construction project, export to gas equipment import from air compressor (source of the gas) all to need to use pipe-line system, pipe-line system due to air-flow velocity too high and cause the problem of mechanical vibration, or there is pipeline expansion issues because gas flow temperature is higher, and usually do not wished by air feed equipment or do not allow the vibration of pipe-line system and thermal expansion to be passed to by air feed equipment itself, consider for above-mentioned factor, usually adopted flexible connection structure by air feed equipment and pipe-line system.Pipeline uses the object of flexible connection structure to be prevent vibration passing, suction line thermal expansion and facilitate being tightly connected between pipeline and equipment.According to the mounting point be flexible coupling, can be divided into malleation be flexible coupling and negative pressure be flexible coupling.In certain process of the test, need the axial force to equipment itself produces to measure, and require that external factor is less on axial force impact, front equipment end connects air inlet pipeline, and in pipeline, gas flow temperature is high, flow velocity fast, and is negative pressure state in pipeline.Under this environmental conditions, the existing pipeline sealing configuration that is flexible coupling cannot eliminate the vibration of front end airflow pipeline and pipeline thermal expansion to the impact of rear end equipment, measuring result error is comparatively large, and also there is the poor problem of sealing effect, existing pipeline flexible connection structure cannot meet test requirements document simultaneously.
Model utility content
The purpose of this utility model is to provide a kind of pipeline soft connecting mechanism, to solve in existing background technique the problem at least one place existed.
The technical solution of the utility model is: provide a kind of pipeline flexible connection structure, for connecting the first pipeline and the second pipeline, comprise retaining ring, flexible connecting member, support steel ring and pipeline conversion adapter (5), wherein, described support steel ring is arranged on the middle part of described flexible connecting member; Described pipeline conversion adapter is connected with the first pipeline; The two ends of described flexible connecting member are connected with described second pipeline and pipeline conversion adapter respectively by retaining ring.
Preferably, described flexible connecting member is loop configuration, and its two ends are provided with projection, and described projection is deviate from described retaining ring for preventing the end of described flexible connecting member.
Preferably, described support steel ring is wrapped in the inside of described flexible connecting member.
Preferably, described flexible connecting member is canvas filler rubber or folder steel wire rubber.
Preferably, described flexible connecting member is provided with an angle through in the middle part of the cross section of its central axis, and described angle is less than 180 degree.
Preferably, described pipeline conversion adapter is cylindrical structure, and endoporus is provided with annular boss, and endoporus one end of described pipeline conversion adapter and described first pipeline are by being welded to connect; The endoporus aperture of the endoporus the other end of described pipeline conversion adapter is greater than the external diameter of the second pipeline, and the difference of the exradius of the radius of described endoporus and described second pipeline is less than the wall thickness of described flexible connecting member.
Preferably, be provided with gap between the end face of described second pipeline and the boss side surfaces of described pipeline conversion adapter, described gap width is greater than two pipelines axial movement value be in the course of the work connected.
The utility model has the advantage of: two pipelines be connected of the present utility model are connected by flexible connecting member, the pipeline that can be good at being connected seals, pipeline conversion adapter is connected with the pipeline that one of them is connected, the canal path be connected with another to and axially all there is gap, by the distortion of flexible connecting member, can vibration in suction line and thermal expansion.
Accompanying drawing explanation
Fig. 1 is the use schematic diagram of pipeline flexible connection structure of the present utility model.
Wherein: 1-retaining ring, 2-flexible connecting member, 3-supports steel ring, 5-pipeline conversion adapter, 6-first pipeline, 7-second pipeline.
Embodiment
The object implemented for making the utility model, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technological scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figure 1, a kind of pipeline flexible connection structure, comprises retaining ring 1, flexible connecting member 2, supports steel ring 3 and pipeline conversion adapter 5.
Retaining ring 1 is for fixing flexible link 2.
Flexible connecting member 2 is loop configuration, and its two ends are provided with annular protrusion, and the effect of annular protrusion is: when flexible connecting member 2 is when bearing axial force, can prevent flexible connecting member 2 from deviating from retaining ring 1.
Flexible connecting member 2 is provided with an angle through in the middle part of the cross section of its central axis, and described angle is less than 180 degree.Its advantage is: when flexible connecting member 2 bears axial force because of the vibration of the first pipeline 6 of being connected or the first pipeline 7, the angle arranged in the middle part of described flexible connecting member 2 becomes large, and the axial length of flexible connecting member 2 increases, thus eliminates axial force.
In the present embodiment, flexible connecting member 2 selects canvas filler rubber.
Be understandable that, flexible connecting member 2 can also select other flexible material.Such as, in an alternative embodiment, flexible connecting member 2 selects folder steel wire rubber.Its advantage is: the intensity of flexible connecting member 2 is higher.
Supporting steel ring 3 is annular steel ring, and is wrapped in the middle part of flexible connecting member 2.Support steel ring 3 pairs of flexible connecting members 2 to play a supporting role.When bearing negative pressure in the first pipeline 6 and the second pipeline 7, supporting steel ring 3 can supporting flexible link 2.
Pipeline conversion adapter 5 is set to cylindrical structure, and its endoporus is provided with annular boss, and the endoporus of boss one end of pipeline conversion adapter 5 is connected with the first pipeline 6 by welding; Be greater than the external diameter of the second pipeline 7 be connected at the diameter of bore of the boss the other end of pipeline conversion adapter 5, and the difference of the exradius of the radius of described endoporus and described pipeline is less than the wall thickness of described flexible connecting member 2.
Be understandable that, the Connecting format of pipeline conversion adapter 5 and the first pipeline 6 can also set according to actual conditions.Such as, in an alternative embodiment, pipeline conversion adapter 5 and the first pipeline 6 are bolted to connection.
The gap arranged between the endoporus of pipeline conversion adapter 5 one end and the cylindrical of the second pipeline 7 is less than the wall thickness of flexible connecting member 2, its advantage is: when bearing negative pressure in the first pipeline 6 and the second pipeline 7, flexible connecting member 2 can not be inhaled into the channel interior be connected.
In two pipelines be connected, between the end face of the second pipeline 7 and the boss side surfaces of pipeline conversion adapter 5, be provided with gap, and gap width is greater than the first pipeline 6 and the second pipeline 7 axial movement value in the course of the work that are connected.Its advantage is: when the first pipeline 6 or the second pipeline 7 exist axial collecting together in the course of the work, can absorb vibration by the distortion of flexible connecting member 2, two pipelines be connected can not influence each other.
The two ends of flexible connecting member 2 to be connected with the second pipeline 7 respectively by retaining ring 1 and pipeline conversion adapter 5 connects.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (7)
1. a pipeline flexible connection structure, for connecting the first pipeline (6) and the second pipeline (7), it is characterized in that: comprise retaining ring (1), flexible connecting member (2), support steel ring (3) and pipeline conversion adapter (5), wherein
Described support steel ring (3) is arranged on the middle part of described flexible connecting member (2);
Described pipeline conversion adapter (5) is connected with the first pipeline (6);
The two ends of described flexible connecting member (2) are connected with described second pipeline (7) and pipeline conversion adapter (5) respectively by retaining ring (1).
2. pipeline flexible connection structure according to claim 1, it is characterized in that: described flexible connecting member (2) is loop configuration, its two ends are provided with projection, and described projection is used for preventing the end of described flexible connecting member (2) from deviating from described retaining ring (1).
3. pipeline flexible connection structure according to claim 1, is characterized in that: described support steel ring (3) is wrapped in the inside of described flexible connecting member (2).
4. pipeline flexible connection structure according to claim 1, is characterized in that: described flexible connecting member (2) is canvas filler rubber or folder steel wire rubber.
5. pipeline flexible connection structure according to claim 2, is characterized in that: described flexible connecting member (2) is provided with an angle through in the middle part of the cross section of its central axis, and described angle is less than 180 degree.
6. pipeline flexible connection structure according to claim 1, it is characterized in that: described pipeline conversion adapter (5) is cylindrical structure, endoporus is provided with annular boss, and endoporus one end of described pipeline conversion adapter (5) and described first pipeline (6) are by being welded to connect; The endoporus aperture of the endoporus the other end of described pipeline conversion adapter (5) is greater than the external diameter of the second pipeline (7), and the difference of the exradius of the radius of described endoporus and described second pipeline (7) is less than the wall thickness of described flexible connecting member (2).
7. pipeline flexible connection structure according to claim 6, it is characterized in that: be provided with gap between the end face of described second pipeline (7) and the boss side surfaces of described pipeline conversion adapter (5), described gap width is greater than two pipelines axial movement value be in the course of the work connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723246.1U CN204942838U (en) | 2015-09-18 | 2015-09-18 | A kind of pipeline flexible connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723246.1U CN204942838U (en) | 2015-09-18 | 2015-09-18 | A kind of pipeline flexible connection structure |
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| CN204942838U true CN204942838U (en) | 2016-01-06 |
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| CN201520723246.1U Active CN204942838U (en) | 2015-09-18 | 2015-09-18 | A kind of pipeline flexible connection structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030456A (en) * | 2019-03-20 | 2019-07-19 | 东南大学 | A kind of pressure vessel conduit sealing isolation mounting |
| CN110566364A (en) * | 2019-09-10 | 2019-12-13 | 中国航空工业集团公司西安飞机设计研究所 | Flexible compensation connecting structure of asymmetric spray pipe and engine |
| CN113309915A (en) * | 2021-07-28 | 2021-08-27 | 四川宝石机械专用车有限公司 | High-frequency vibration's sound sealing connection structure |
-
2015
- 2015-09-18 CN CN201520723246.1U patent/CN204942838U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030456A (en) * | 2019-03-20 | 2019-07-19 | 东南大学 | A kind of pressure vessel conduit sealing isolation mounting |
| CN110566364A (en) * | 2019-09-10 | 2019-12-13 | 中国航空工业集团公司西安飞机设计研究所 | Flexible compensation connecting structure of asymmetric spray pipe and engine |
| CN113309915A (en) * | 2021-07-28 | 2021-08-27 | 四川宝石机械专用车有限公司 | High-frequency vibration's sound sealing connection structure |
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