CN216618962U

CN216618962U - Pipeline expansion joint

Info

Publication number: CN216618962U
Application number: CN202220072755.2U
Authority: CN
Inventors: 陈锋
Original assignee: Xi'an Lanxihui Electric Technology Co ltd
Current assignee: Xi'an Lanxihui Electric Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-27
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a pipeline expansion joint which comprises connecting flanges, a mounting disc, bendable telescopic modules and hose connecting devices, wherein the bendable telescopic modules are uniformly distributed in a circumferential shape, the hose connecting devices are arranged inside the bendable telescopic modules, the mounting disc is symmetrically arranged on two sides of the bendable telescopic modules, the hose connecting devices penetrate through the mounting disc, the connecting flanges are respectively connected with the hose connecting devices on the two sides, and the connecting flanges are connected with the hose connecting devices arranged outside the bendable telescopic modules. The utility model belongs to the technical field of pipeline connecting equipment, and particularly provides a pipeline expansion joint which not only can realize longitudinal deformation, but also can realize transverse deformation, is more convenient to stretch and bend due to the arrangement of a flexible telescopic module and a hose connecting device, and has a buffer protection effect when being bent suddenly or stretched.

Description

Pipeline expansion joint

Technical Field

The utility model belongs to the technical field of pipeline connecting equipment, and particularly relates to a pipeline expansion joint.

Background

The expansion joint is also called compensator or expansion joint, because the expansion joint is an elastic compensation element which can freely expand and contract, the expansion joint has the advantages of reliable work, good performance, compact structure and the like, and is widely applied to the departments of chemical industry, metallurgy, nuclear energy and the like.

The existing expansion joint can only compensate axial deformation after being installed, but the rubber pipeline has deformation in the transverse section direction besides axial deformation due to large deformation amount, and the common expansion joint has single function and poor buffering effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the pipeline expansion joint which can realize longitudinal deformation and transverse deformation, is more convenient to stretch and bend due to the arrangement of the flexible telescopic module and the hose connecting device, and has the function of buffering and protecting when being bent suddenly or stretched.

The technical scheme adopted by the utility model is as follows: the utility model relates to a pipeline expansion joint which comprises a connecting flange, a mounting disc, a bendable telescopic module and hose connecting devices, wherein the bendable telescopic module is uniformly distributed in a circumferential shape, the hose connecting devices are arranged inside the bendable telescopic module, the mounting disc is symmetrically arranged on two sides of the bendable telescopic module, the hose connecting devices penetrate through the mounting disc, the connecting flange is respectively connected with the hose connecting devices on the two sides, and the connecting flange is connected with the hose connecting devices arranged outside the bendable telescopic module.

Furthermore, the hose connecting device comprises a middle flexible hose, a side bending hose and a connector pipe, wherein the middle flexible hose and the connector pipe are sequentially and symmetrically arranged on two sides of the side bending hose, the connector pipe is connected with the inner side of the connecting flange, and the middle flexible hose and the side bending hose are both of obtuse angle structures with rounded corners.

Furthermore, flexible module includes outer tube and rubber inner prop, the outer tube is one end open-ended cavity setting, the rubber inner prop slides and locates in the outer tube, open-ended one side is kept away from to the outer tube is equipped with first locating part, first locating part is rotatory to be located on the mounting disc of one side, the rubber inner prop is kept away from and is equipped with the second locating part on one side of outer tube, the second locating part is rotatory to be located on the mounting disc of opposite side.

Further, the first limiting part and the second limiting part are arranged in an I shape.

Furthermore, the outer sleeve is a rubber outer sleeve, and is matched with the rubber inner column, so that various effects such as bending and stretching can be realized.

Preferably, the length of the rubber inner column in the outer sleeve is greater than or equal to half of the length of the outer sleeve, so that the rubber inner column is prevented from being separated from the outer sleeve.

The utility model with the structure has the following beneficial effects: this scheme a pipeline expansion joint not only can realize fore-and-aft deformation, can also realize horizontal deformation, and flexible module makes flexible, crooked more convenient with hose connection device's setting, and flexible module still has the assurance and plays the buffering guard action when bending suddenly or flexible.

Drawings

FIG. 1 is a schematic view of the overall structure of a pipe expansion joint according to the present invention;

FIG. 2 is a schematic structural view of a pipe expansion joint according to the present invention;

FIG. 3 is a schematic view of the internal structure of a pipe expansion joint according to the present invention;

fig. 4 is a cross-sectional view of a pipe expansion joint of the present invention.

The flexible pipe comprises a connecting flange 1, a connecting flange 2, a mounting disc 3, a flexible telescopic module 4, a hose connecting device 5, a middle flexible hose 6, a side flexible hose 7, a connector tube 8, an outer sleeve 9, a rubber inner column 10, a first limiting part 11 and a second limiting part.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the pipeline expansion joint of the present invention includes a connection flange 1, a mounting plate 2, flexible telescopic modules 3 and hose connection devices 4, wherein the flexible telescopic modules 3 are uniformly distributed in a circumferential shape, the hose connection devices 4 are disposed inside the flexible telescopic modules 3, the mounting plate 2 is symmetrically disposed on two sides of the flexible telescopic modules 3, the hose connection devices 4 are disposed through the mounting plate 2, the connection flange 1 is respectively connected to the hose connection devices 4 on two sides, and the connection flange 1 is connected to the hose connection devices 4 disposed outside the flexible telescopic modules 3.

The hose connecting device 4 comprises a middle flexible hose 5, side bending hoses 6 and a connector pipe 7, wherein the middle flexible hose 5 and the connector pipe 7 are sequentially and symmetrically arranged on two sides of the side bending hoses 6 in sequence, the connector pipe 7 is connected with the inner side of the connecting flange 1, and the middle flexible hose 5 and the side bending hoses 6 are both of obtuse angle structures with rounded corners.

In this scheme, flexible module 3 includes outer tube 8 and rubber inner column 9, outer tube 8 is one end open-ended cavity setting, post 9 slides in the rubber locates in outer tube 8, outer tube 8 is kept away from open-ended one side and is equipped with first locating part 10, first locating part 10 is rotatory to be located on the mounting disc 2 of one side, be equipped with second locating part 11 on one side of outer tube 8 is kept away from to post 9 in the rubber, second locating part 11 is rotatory to be located on the mounting disc 2 of opposite side, and first locating part 10 all is the setting of I-shaped with second locating part 11, and outer tube 8 is rubber outer tube 8, and with the cooperation setting of post 9 in the rubber, can realize multiple effects such as crooked, flexible.

Preferably, the length of the rubber inner column 9 in the outer sleeve 8 is greater than or equal to half of the length of the outer sleeve 8, so as to prevent the rubber inner column 9 from being separated from the outer sleeve 8.

During the specific use, when taking place axial deformation, hose connecting device 4 all can realize fore-and-aft deformation with flexible module 3, the rubber inner column 9 slides in outer tube 8 and realizes fore-and-aft deformation change, and well flexible hose 5, the acute angle structure of the fillet of falling of side bend hose 6 makes flexible more convenient, when taking place transverse deformation, outer tube 8 and rubber inner column 9 are the rubber material, the function that has elasticity and deformation, and the length of rubber inner column 9 is enough long, make and to realize crooked effect in outer tube 8 and the rubber, the deformation of transverse direction also can be realized to same hose connecting device 4, and rubber inner column 9 and rubber outer tube 8 can also guarantee to play the buffering guard action when bending suddenly or stretching out and drawing back.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A pipe expansion joint, characterized in that: including flange, mounting disc, flexible module and hose connection device, flexible module is circumference form evenly distributed and sets up, hose connection device locates the inside of flexible module, the mounting disc symmetry is located on the both sides of flexible module, hose connection device runs through the mounting disc setting, flange is connected with the hose connection device of both sides respectively, and flange and the outside hose connection device connection of locating flexible module.

2. A pipe expansion joint as claimed in claim 1, wherein: the hose connecting device comprises a middle flexible hose, side bending hoses and a connector pipe, wherein the middle flexible hose and the connector pipe are sequentially and symmetrically arranged on two sides of the side bending hoses in sequence, the connector pipe is connected with the inner side of the connecting flange, and the middle flexible hose and the side bending hoses are both in an obtuse angle structure with a rounded corner.

3. A pipe expansion joint as claimed in claim 1, wherein: the flexible module includes outer tube and rubber inner prop, the outer tube is one end open-ended cavity setting, the rubber inner prop slides and locates in the outer tube, open-ended one side is kept away from to the outer tube is equipped with first locating part, first locating part is rotatory to be located on the mounting disc of one side, the rubber inner prop is kept away from and is equipped with the second locating part on one side of outer tube, the second locating part is rotatory to be located on the mounting disc of opposite side.

4. A pipe expansion joint according to claim 3, wherein: the first limiting part and the second limiting part are arranged in an I shape.

5. A pipe expansion joint according to claim 3, wherein: the outer sleeve is a rubber outer sleeve.

6. A pipe expansion joint according to claim 3, wherein: the length of the rubber inner column in the outer sleeve is more than or equal to half of the length of the outer sleeve.