CN214579552U - Expansion joint for laying pipeline on ground - Google Patents
Expansion joint for laying pipeline on ground Download PDFInfo
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- CN214579552U CN214579552U CN202120682051.2U CN202120682051U CN214579552U CN 214579552 U CN214579552 U CN 214579552U CN 202120682051 U CN202120682051 U CN 202120682051U CN 214579552 U CN214579552 U CN 214579552U
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- fluid conveying
- expansion joint
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Abstract
The utility model discloses an expansion joint that ground laid pipeline used, belong to and lay pipeline technical field, its technical scheme main points include the pipe box, the equal swing joint of inside wall of the pipe box left and right sides has fluid delivery pipe, the lateral wall of the pipe box left and right sides has all welded mounting flange, the lateral wall of the relative one side of two fluid delivery pipes all be provided with mounting flange assorted movable flange, be provided with the sealing washer between mounting flange and the movable flange, mounting flange is provided with a plurality of evenly distributed's fastener combination with the middle part of movable flange, fastener combination includes the bolt, one side that mounting flange carried on the back mutually with movable flange all is provided with bolt assorted nut, the expansion joint can be made metallic also can be made nonmetal, can be used for carrying the fluid of any temperature and any nature, this kind of expansion joint has simple manufacture, reduce engineering cost, The construction efficiency is improved, the installation is convenient, the leakage is reduced, the danger is reduced, and the like.
Description
Technical Field
The utility model relates to a lay pipeline technical field, in particular to expansion joint that ground laid pipeline used.
Background
Traditional pipe pipeline expansion joint has the material such as rubber, stainless steel, also have the ohm shape of processing preparation with the fluid conveying pipeline at the job site, no matter which kind of expansion joint its flexible length all is very limited, if meet the environment temperature change greatly or when the pipeline in the fluid conveying temperature is higher, above-mentioned expansion joint probably is pulled out, or will set up more expansion joint on the pipeline, do so and probably lead to the fact the engineering cost to increase, and the expansion joint is more the expansion joint also can be some more with the junction leakage point of pipeline, if carry chemical still probably arouse environmental pollution and form the danger source.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art not enough, a telescopic joint that the pipeline used is laid to the ground is provided.
The utility model discloses a realize like this, an expansion joint that ground laid pipeline used, including the pipe box, the equal swing joint of inside wall of the pipe box left and right sides has fluid conveying pipe, mounting flange, two have all been welded to the lateral wall of the pipe box left and right sides the lateral wall of the relative one side of fluid conveying pipe all be provided with mounting flange assorted movable flange, be provided with the sealing washer between mounting flange and the movable flange, mounting flange is provided with a plurality of evenly distributed's fastener combination with movable flange's middle part, the fastener combination includes the bolt, mounting flange all is provided with bolt assorted nut, two with one side that the movable flange carried on the back mutually, one side that the nut is relative all is provided with the gasket with bolt assorted.
In order to facilitate the installation of a plurality of sealing washers in the recess, simultaneously, be convenient for restrict the sealing washer, make the sealing performance reinforcing of fluid delivery pipe and pipe box, conduct the utility model discloses a telescopic joint that ground laid the pipeline and use is preferred, mounting flange's inside wall is seted up flutedly, the internal diameter of recess is unanimous with the external diameter of sealing washer, the degree of depth of recess equals two or three sealing washer stack height and exceeds 5-6mm, the internal diameter at both ends is greater than pipe box middle part external diameter 0.5mm about the pipe box.
In order to facilitate the compression of the sealing ring, as the utility model discloses a telescopic joint that the ground laid the pipeline and used is preferred, movable flange's internal diameter is 2mm greater than the external diameter of fluid conveying pipe, one side that movable flange is close to the recess is provided with the assorted lug, the height of lug is 10-12 mm.
In order to prolong the service life of the sealing ring and enhance the sealing performance, the number of the sealing rings is preferably 2-3 as the expansion joint for the overground pipeline.
In order to facilitate the installation of the fluid conveying pipes on the inner side walls at the left end and the right end of the pipe sleeve, the telescopic joint used for laying the pipeline on the ground is preferably used, and the inner diameter of the pipe sleeve is 4-5mm larger than the outer diameter of the fluid conveying pipe.
In order to protect the sealing ring conveniently, simultaneously, improve the leakproofness between fluid conveying pipe and the pipe box, as the utility model discloses a ground lays the telescopic joint that the pipeline used and is preferred, two the outward appearance of the flexible removal section of fluid conveying pipe all adopts to get thick rounding processing.
Compared with the prior art, the beneficial effects of the utility model are that: the expansion joint used for laying the pipeline on the ground can be made into metal or nonmetal, and can be used for conveying fluid with any temperature and any property, if the expansion joint is used on most pipelines for conveying the fluid: the method has the advantages of simple manufacture, reduction of construction cost, improvement of construction efficiency, convenience in installation, reduction of leakage, reduction of danger and the like.
Drawings
FIG. 1 is an overall structure diagram of an expansion joint for laying a pipeline on the ground;
FIG. 2 is a cross-sectional view of the sleeve and fluid delivery tube of the present invention;
fig. 3 is an enlarged structural view of the utility model a.
In the figure, 1, a pipe sleeve; 2. a fluid delivery tube; 3. a fixed flange; 4. a movable flange; 5. a seal ring; 6. combining fasteners; 601. a bolt; 602. a nut; 603. and (7) a gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an underground extension joint that establishes pipeline and use, including pipe box 1, the equal swing joint of inside wall of the 1 left and right sides of pipe box has fluid delivery pipe 2, mounting flange 3 has all been welded to the lateral wall of the 1 left and right sides of pipe box, the lateral wall of the relative one side of two fluid delivery pipe 2 all is provided with mounting flange 3 assorted movable flange 4, be provided with sealing washer 5 between mounting flange 3 and the movable flange 4, mounting flange 3 is provided with a plurality of evenly distributed's fastener combination 6 with movable flange 4's middle part, fastener combination 6 includes bolt 601, one side that mounting flange 3 carried on the back mutually with movable flange 4 all is provided with bolt 601 assorted nut 602, the relative one side of two nuts 602 all is provided with bolt 601 assorted gasket 603.
In this embodiment: two fluid conveying pipes 2 are respectively inserted to the left side and the right side of a pipe sleeve 1, fixing flanges 3 are welded on the left outer side wall and the right outer side wall of the pipe sleeve 1, the verticality and the strength of the pipe sleeve 1 are guaranteed, movable flanges 4 are arranged on the outer side walls of the two fluid conveying pipes 2, a plurality of fastener combinations 6 are arranged in the middle of the fixing flanges 3 and the movable flanges 4 (connecting bolts 601 on the flanges are uniformly stressed and cannot be upwards tightened and do not leak) conveniently, the two fluid conveying pipes 2 are further fixed to the left end and the right end of the pipe sleeve 1 through the fixing flanges 3 and the movable flanges 4 conveniently, sealing rings 5 are arranged between the fixing flanges 3 and the movable flanges 4, the sealing performance between the fluid conveying pipes 2 and the pipe sleeve 1 is further improved, the length of L on a diagram in the middle of the pipe sleeve 1 is slightly larger than the sum of the maximum swelling length of a pipeline between two telescopic joints, and the swelling amount of the telescopic joints is several times or even dozens of the expansion amount of the telescopic joints larger than that of the traditional telescopic joints (the expansion amount depends on the length of L/2 Degree), compared with the traditional expansion joint, the expansion joint also has the following characteristics: the manufacturing technology is simple and mature, the comprehensive use cost is low, the installation is simple and convenient, the engineering construction progress is accelerated, the leakage points are reduced, and the method is safe and reliable.
As a technical optimization scheme of the utility model, mounting flange 3's inside wall is seted up flutedly, and the internal diameter of recess is unanimous with sealing washer 5's external diameter, and the degree of depth of recess equals two or three sealing washer 5 stack height and exceeds 5-6mm, and the internal diameter at both ends is greater than pipe box 1 middle part external diameter 0.5mm about pipe box 1.
In this embodiment: the inner side wall of the fixing flange 3 is provided with the groove, the inner diameter of the groove is consistent with the outer diameter of the sealing ring 5, and therefore the sealing rings 5 are conveniently installed in the groove, meanwhile, the sealing ring 5 is convenient to limit, and the sealing performance of the fluid conveying pipe 2 and the pipe sleeve 1 is enhanced.
As a technical optimization scheme of the utility model, the internal diameter of movable flange 4 is 2mm bigger than the external diameter of fluid conveying pipe 2, and one side that movable flange 4 is close to the recess is provided with assorted lug, and the height of lug is 10-12 mm.
In this embodiment: the internal diameter of movable flange 4 is 2mm bigger than the external diameter of fluid conveying pipe 2, and then conveniently cup joints movable flange 4 and installs the lateral wall of fluid conveying pipe 2, is provided with the assorted lug in one side that movable flange 4 is close to the recess, further makes movable flange 4 be convenient for compress tightly sealing washer 5, and movable flange 4 material uses the metal as preferring.
As a technical optimization scheme of the utility model, the quantity of the sealing rings 5 is 2-3.
In this embodiment: the number of the sealing rings 5 is 2-3, so that the sealing performance between the fluid conveying pipe 2 and the pipe sleeve 1 is further enhanced, and meanwhile, the material or variety of the sealing rings 5 is determined according to the chemical and physical characteristics of the conveyed fluid (for example, when the conveyed fluid has corrosion performance, the sealing rings 5 can be made of polytetrafluoroethylene materials, and when the conveyed fluid is water, the sealing rings 5 can be made of rubber materials), so that the service life and the sealing performance of the sealing rings 5 are enhanced.
As a technical optimization scheme of the utility model, the inner diameter of the pipe sleeve 1 is 4-5mm larger than the outer diameter of the fluid conveying pipe 2.
In this embodiment: the inner diameter of the pipe sleeve 1 is set to be 4-5mm larger than the outer diameter of the fluid conveying pipe 2, so that the fluid conveying pipes 2 are conveniently arranged on the inner side walls of the left end and the right end of the pipe sleeve 1.
As a technical optimization scheme of the utility model, the outward appearance of two flexible removal sections of fluid delivery pipe 2 all adopts to get the processing of roughnesses circle.
In this embodiment: the outward appearance of the flexible removal section of two fluid conveying pipe 2 all adopts and gets rough rounding processing, and then conveniently protects sealing washer 5, simultaneously, improves the leakproofness between fluid conveying pipe 2 and pipe box 1, and fluid conveying pipe 2 is provided with the corrosion resistant layer in the portion of telescopic joint end concertina movement section, guarantees not rusted, reduces the seepage phenomenon.
The working principle is as follows: firstly, two fluid conveying pipes 2 are respectively inserted to the left side and the right side of a pipe sleeve 1, a fixed flange 3 is welded on the left outer side wall and the right outer side wall of the pipe sleeve 1, the verticality and the strength of the pipe sleeve 1 are ensured, movable flanges 4 are respectively arranged on the outer side walls of the two fluid conveying pipes 2, a plurality of fastener combinations 6 are arranged in the middle parts of the fixed flange 3 and the movable flanges 4, the two fluid conveying pipes 2 are conveniently fixed to the left end and the right end of the pipe sleeve 1 by the fixed flange 3 and the movable flanges 4, a sealing ring 5 is arranged between the fixed flange 3 and the movable flanges 4, the sealing performance between the fluid conveying pipes 2 and the pipe sleeve 1 is further improved, the length L on the middle part of the pipe sleeve 1 is slightly larger than the sum of the maximum expansion length of a pipeline between two expansion joints, and the expansion amount of the expansion joints is several times or even dozens of times larger than that of the traditional expansion joints (the expansion amount depends on the length of L/2), compared with the traditional expansion joint, the expansion joint also has the following advantages: the manufacturing technology is simple and mature, the comprehensive use cost is low, the installation is simple and convenient, the engineering construction progress is accelerated, the leakage points are reduced, and the method is safe and reliable.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an expansion joint that ground laying pipeline used, includes pipe box (1), its characterized in that: the inner side walls of the left side and the right side of the pipe sleeve (1) are movably connected with a fluid conveying pipe (2), the outer side walls of the left side and the right side of the pipe sleeve (1) are respectively welded with a fixed flange (3), the outer side wall of one side opposite to the two fluid conveying pipes (2) is respectively provided with a movable flange (4) matched with the fixed flange (3), a sealing ring (5) is arranged between the fixed flange (3) and the movable flange (4), a plurality of fastener combinations (6) which are uniformly distributed are arranged in the middle of the fixed flange (3) and the movable flange (4), fastener combination (6) include bolt (601), one side that mounting flange (3) and activity flange (4) carried on the back mutually all is provided with bolt (601) assorted nut (602), two one side that nut (602) are relative all is provided with bolt (601) assorted gasket (603).
2. A telescopic joint for use in laying pipes on the ground as claimed in claim 1, wherein: the inner side wall of the fixed flange (3) is provided with a groove, the inner diameter of the groove is consistent with the outer diameter of the sealing rings (5), the depth of the groove is equal to the height of two or three sealing rings (5) which are overlapped and is 5-6mm higher than the height of the two or three sealing rings, and the inner diameters of the left end and the right end of the pipe sleeve (1) are 0.5mm larger than the outer diameter of the middle part of the pipe sleeve (1).
3. A telescopic joint for use in laying pipes on the ground as claimed in claim 2, wherein: the inner diameter of the movable flange (4) is 2mm larger than the outer diameter of the fluid conveying pipe (2), a matched bump is arranged on one side, close to the groove, of the movable flange (4), and the height of the bump is 10-12 mm.
4. A telescopic joint for use in laying pipes on the ground as claimed in claim 1, wherein: the number of the sealing rings (5) is 2-3.
5. A telescopic joint for use in laying pipes on the ground as claimed in claim 1, wherein: the inner diameter of the pipe sleeve (1) is 4-5mm larger than the outer diameter of the fluid conveying pipe (2).
6. A telescopic joint for use in laying pipes on the ground as claimed in claim 1, wherein: the outer surfaces of the telescopic moving sections of the two fluid conveying pipes (2) are processed by rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120682051.2U CN214579552U (en) | 2021-04-02 | 2021-04-02 | Expansion joint for laying pipeline on ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120682051.2U CN214579552U (en) | 2021-04-02 | 2021-04-02 | Expansion joint for laying pipeline on ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579552U true CN214579552U (en) | 2021-11-02 |
Family
ID=78357341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120682051.2U Active CN214579552U (en) | 2021-04-02 | 2021-04-02 | Expansion joint for laying pipeline on ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579552U (en) |
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2021
- 2021-04-02 CN CN202120682051.2U patent/CN214579552U/en active Active
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