CN215635551U - Pipeline equipment - Google Patents
Pipeline equipment Download PDFInfo
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- CN215635551U CN215635551U CN202022809074.3U CN202022809074U CN215635551U CN 215635551 U CN215635551 U CN 215635551U CN 202022809074 U CN202022809074 U CN 202022809074U CN 215635551 U CN215635551 U CN 215635551U
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- pipe
- flange
- pipeline
- circumferential ring
- flanging
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Gasket Seals (AREA)
Abstract
The utility model discloses a pipeline flanging structure, which comprises a pipe and a flanging body fixed at one end of the pipe, wherein a circumferential ring groove is formed in a sealing surface of the flanging body; in the pipeline flanging structure, the circumferential ring groove is formed in the sealing surface of the flanging body, so that the pressure bearing area of the region near the circumferential ring groove is reduced, the local surface pressure intensity near the circumferential ring groove on the sealing surface is enhanced, the sealing surface of the region is attached to the flange, a complete circumferential sealing belt is formed, leakage points are prevented from being generated, and the sealing reliability is improved. The utility model also discloses pipeline equipment which is reliable in sealing by applying the pipeline flanging structure.
Description
Technical Field
The utility model relates to the technical field of mechanical industry, in particular to a pipeline flanging structure and pipeline equipment.
Background
The connection part of two flanges in the pipeline of the automobile air intake and exhaust system is usually sealed by metal pipe flanging, specifically, the end part of the pipeline is processed into the flanging after passing through the movable flange, the flanging plays a role in preventing the movable flange from being separated, and the movable flange is clamped between the two flanges to play a role in sealing when being connected with the flanges of other pipelines.
However, the flanges are formed by punching thin-walled pipes, the surfaces of the flanges are not machined, the flatness of the sealing surfaces (i.e., the surfaces of the flanges on the flanges for adhering to other pipes) after the flanges are formed cannot ensure the precision, and when the two flanges are pressed, a circumferential continuous sealing strip cannot be formed on the sealing surfaces, so that leakage points are formed.
In summary, how to avoid the leakage point at the sealing surface of the flange is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a pipeline flanging structure, wherein a sealing surface of a flanging body is provided with a circumferential ring groove, so that a pressure-bearing area of a region near the circumferential ring groove is reduced, a local surface pressure strength near the circumferential ring groove on the sealing surface is enhanced, the sealing surface of the region is tightly attached to a flange to form a complete circumferential sealing band, thereby preventing a leakage point from being generated and improving sealing reliability. The utility model also provides pipeline equipment which is reliable in sealing by applying the pipeline flanging structure.
In order to achieve the purpose, the utility model provides the following technical scheme:
the pipeline flanging structure comprises a pipe and a flanging body fixed at one end of the pipe, wherein a circumferential annular groove is formed in a sealing surface of the flanging body.
Preferably, in the above-mentioned piping flange structure, the circumferential ring groove is plural.
Preferably, in the above pipe flanging structure, the circumferential ring grooves are concentrically arranged.
Preferably, in the above pipe flanging structure, the number of the circumferential ring grooves is 2.
Preferably, in the above-mentioned piping flanging structure, the section of the circumferential ring groove is circular arc.
Preferably, in the above-mentioned pipeline flanging structure, the thickness of the flanging body is 0.6mm, and the diameter corresponding to the cross-section arc of the circumferential ring groove is 0.3 mm.
Preferably, in the above-mentioned piping flanging structure, the edge of the sealing surface in the flanging body is machined with a chamfer.
The pipeline equipment comprises a first pipe and a second pipe, wherein a fixed flange is mounted at the end part of the first pipe; the second pipe is sleeved with a movable flange, and the end part of the second pipe is provided with a flange which is a pipeline flange structure in any one of the technical schemes; the fixed flange is fixedly connected with the movable flange, and the flanging body is clamped between the two flanges.
Preferably, in the above piping system, the second pipe is a corrugated pipe.
Preferably, in the above pipeline apparatus, the fixed flange and the movable flange are fixedly connected by a clip.
The utility model provides a pipeline flanging structure which comprises a pipe and a flanging body fixed at one end of the pipe, wherein a circumferential ring groove is formed in a sealing surface of the flanging body.
In the pipeline flanging structure, the circumferential ring groove is formed in the sealing surface of the flanging body, so that the pressure bearing area of the region near the circumferential ring groove is reduced, the local surface pressure strength near the circumferential ring groove on the sealing surface is enhanced, the sealing surface of the region is tightly attached to the flange, a complete circumferential sealing belt is formed, leakage points are prevented from being generated, and the sealing reliability is improved.
The utility model also discloses pipeline equipment which is reliable in sealing by applying the pipeline flanging structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pipeline apparatus provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an assembly view of a first tube and a second tube provided by an embodiment of the present invention;
wherein, in fig. 1-3:
a first tube 10; a fixed flange 11; a second tube 20; a flange body 21; a circumferential ring groove 211; a chamfer 212; a movable flange 22; a clamp 30;
Detailed Description
The embodiment of the utility model discloses a pipeline flanging structure, wherein a sealing surface of a flanging body is provided with a circumferential ring groove, so that the pressure-bearing area of a region near the circumferential ring groove is reduced, the local surface pressure strength near the circumferential ring groove on the sealing surface is enhanced, the sealing surface of the region is tightly attached to a flange to form a complete circumferential sealing belt, the leakage point is prevented from being generated, and the sealing reliability is improved. The utility model also provides pipeline equipment which is reliable in sealing by applying the pipeline flanging structure.
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.
Referring to fig. 1 to 3, an embodiment of the present invention provides a pipe flanging structure, including a pipe and a flanging main body 21 fixed at one end of the pipe, wherein a sealing surface of the flanging main body 21 is provided with a circumferential ring groove 211. The circumference of the circumferential ring groove 211 at the opening of the pipe end can be specifically set to be circular or square, and the like. The tube and the cuff body 21 are of an integral construction.
In the pipeline flanging structure provided by the embodiment, the circumferential ring groove 211 is formed in the sealing surface of the flanging body 21, so that the pressure bearing area of the region near the circumferential ring groove 211 on the sealing surface is reduced, the local surface pressure intensity of the region near the circumferential ring groove 211 on the sealing surface is enhanced, the sealing surface of the region is tightly attached to a flange, a complete circumferential sealing belt is formed, the generation of leakage points is prevented, and the sealing reliability is improved.
In the above-mentioned piping flanging structure, the number of the circumferential ring grooves 211 is plural. In this embodiment, the sealing surface portion between adjacent circumferential ring grooves 211 forms a reinforced sealing ring band, which can further improve the sealing effect. Specifically, the circumferential ring grooves 211 can be set to be two, so that a reinforced sealing ring positioned between the two circumferential ring grooves 211 can be formed, and two auxiliary annular continuous sealing belts respectively positioned on one side of each circumferential ring groove 211, which deviates from the other circumferential ring groove 211, can be formed, so that the sealing effect is improved.
Preferably, circumferential grooves 211 are arranged concentrically in the above-described embodiment.
The circumferential ring groove 211 has a circular arc-shaped cross section. The thickness of the flange body 21 may be set to 0.6mm (i.e. the distance between the sealing surface and the surface of the flange body 21 opposite to the sealing surface is 0.6mm), and correspondingly, the diameter corresponding to the circular arc of the cross section of the circumferential ring groove 211 may be set to 0.3mm, or the design may be performed according to the wall thickness and the pressing force of different pipes, which is not limited in this embodiment. Of course, the cross-sectional shape of the circumferential ring groove 211 may also be rectangular, trapezoidal, etc., and the embodiment is not limited thereto
Preferably, in the above-mentioned piping flanging structure, the edge of the sealing surface in the flanging main body 21 is processed with a chamfer 212 for eliminating the concave-convex deformation formed on the peripheral sealing surface with the largest deformation during the flanging forming of the thin-walled pipe.
In the pipeline turn-ups structure that this embodiment provided, near rigidity of circumference annular 211 has been reduced to circumference annular 211, and when utilizing parts such as clamp or bolt with two flange joint, the deflection that turn-ups body 21 produced can be to circumference annular 211 department release, and the great and irregular release of internal stress when avoiding turn-ups body 21 pressurized.
In the pipe flanging structure provided in the above embodiment, one or more circumferential ring grooves 211 may also be provided on the other end surface of the flanging body 21 (i.e., the surface of the flanging body 21 opposite to the sealing surface), which is not limited in this embodiment.
The embodiment of the utility model also provides pipeline equipment, which comprises a first pipe 10 and a second pipe 20, wherein a fixed flange 11 is arranged at the end part of the first pipe 10; the second pipe 20 is sleeved with a movable flange 22, and the end part of the second pipe 20 is provided with a flange which is a pipeline flange structure provided by the above embodiment; the fixed flange 11 is fixedly connected with the movable flange 22, and the flanging body 21 is clamped between the fixed flange 11 and the movable flange 22.
In the above piping apparatus, the second pipe 20 is a corrugated pipe; the fixed flange 11 and the movable flange 22 are fixedly connected by a clamp 30, or connected by bolts or the like, which is not limited in this embodiment. The pipeline equipment is specifically an expansion joint assembly or a supercharger oil return pipe assembly and the like.
The pipeline equipment provided by the embodiment adopts the pipeline flanging structure provided by the embodiment, and the sealing is reliable. Of course, the pipeline device provided by this embodiment also has other effects related to the pipeline flanging structure provided by the above embodiments, and details are not described herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The pipeline equipment is characterized by comprising a first pipe and a second pipe, wherein a fixed flange is mounted at the end part of the first pipe; the second pipe is sleeved with a movable flange, the end part of the second pipe is provided with a flange, the flange is of a pipeline flange structure, the pipeline flange structure comprises a pipe and a flange body fixed at one end of the pipe, and a sealing surface of the flange body is provided with a circumferential ring groove; the fixed flange is fixedly connected with the movable flange, and the flanging body is clamped between the two flanges.
2. The line apparatus of claim 1, wherein the second pipe is a bellows.
3. Pipeline apparatus according to claim 1, wherein the fixed flange and the movable flange are fixedly connected by means of a clamp.
4. The pipe apparatus according to claim 1, wherein said circumferential ring groove is plural.
5. The pipeline apparatus of claim 4 wherein each of the circumferential ring grooves are concentrically arranged.
6. The pipe apparatus according to claim 4, wherein said circumferential ring groove is 2.
7. The pipe apparatus according to claim 1, wherein the circumferential groove has a circular arc-shaped cross section.
8. The pipeline apparatus according to claim 1, wherein the thickness of the flanging body is 0.6mm, and the diameter corresponding to the section arc of the circumferential ring groove is 0.3 mm.
9. The pipeline apparatus of claim 1, wherein the edge of the sealing surface in the flanged body is chamfered.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022809074.3U CN215635551U (en) | 2020-11-27 | 2020-11-27 | Pipeline equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022809074.3U CN215635551U (en) | 2020-11-27 | 2020-11-27 | Pipeline equipment |
Publications (1)
Publication Number | Publication Date |
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CN215635551U true CN215635551U (en) | 2022-01-25 |
Family
ID=79887635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022809074.3U Active CN215635551U (en) | 2020-11-27 | 2020-11-27 | Pipeline equipment |
Country Status (1)
Country | Link |
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CN (1) | CN215635551U (en) |
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2020
- 2020-11-27 CN CN202022809074.3U patent/CN215635551U/en active Active
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