CN221054118U - Flange sealing bolt and flange assembly - Google Patents
Flange sealing bolt and flange assembly Download PDFInfo
- Publication number
- CN221054118U CN221054118U CN202322911395.8U CN202322911395U CN221054118U CN 221054118 U CN221054118 U CN 221054118U CN 202322911395 U CN202322911395 U CN 202322911395U CN 221054118 U CN221054118 U CN 221054118U
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- Prior art keywords
- flange
- sealing
- ring
- pressing
- bolt
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- 238000007789 sealing Methods 0.000 title claims abstract description 125
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model belongs to the technical field of pipeline sealing, and discloses a flange sealing bolt and a flange assembly. According to the utility model, the sealing ring is limited between the flange plate and the pressing ring, so that the sealing of the outer side of the flange sealing bolt is realized, and the sealing of the inner sealing belt is combined, so that the double sealing is realized, and the integral sealing effect is improved on the premise of ensuring the tight connection of the flange connecting bolt and the flange plate, thereby effectively avoiding the occurrence of leakage.
Description
Technical Field
The utility model relates to the technical field of pipeline sealing, in particular to a flange sealing bolt and a flange assembly.
Background
At present, different types of pipelines exist in steel plants, and most of the pipelines are respectively supplied with different media, such as pressure air, water, oil, oxygen, nitrogen and the like, and the pressure of the pipelines is also approximately divided into three different types of high pressure, medium pressure and low pressure. The valves on the existing pipeline are connected in a flange bolt mode, so that stable installation of the valves is guaranteed, and smooth conveying of media is realized. However, in the use process, the problem that the sealing is not tight due to damage of the flange sealing gasket is often solved, the conventional improvement is that the flange is welded in a whole circle to avoid medium leakage, however, the leakage condition still exists at the bolt position for connecting the flange, if the flange is welded, the welding is not only labor-consuming, but also due to the specificity of the installation position, some bolts are difficult to weld and fix. So how to guarantee the tight connection of flange joint bolts, improve its sealed effect, effectively avoid revealing the problem and appear the problem that the present field personnel need solve.
Disclosure of utility model
The utility model aims to provide a flange sealing bolt and a flange assembly, so that the sealing effect of a flange connecting bolt is improved while the tight connection of the flange connecting bolt is ensured, and the leakage problem is effectively avoided.
To achieve the purpose, the utility model adopts the following technical scheme:
a flange sealing bolt for connection of a flange plate, wherein the flange sealing bolt comprises:
The stud can penetrate through the flange plate;
The sealing belts are arranged on the studs at intervals;
The two pressing rings are arranged and correspond to the sealing belts one by one, and the pressing rings are in threaded connection with the studs and can prop against the sealing belts on the studs;
the sealing rings are arranged in two and are in one-to-one correspondence with the pressing rings, the sealing rings are embedded in the pressing rings, and the sealing rings are limited between the flange and the pressing rings when the pressing rings are abutted against the flange.
Optionally, the stud includes a connecting portion and a threaded portion, the threaded portion is disposed at two ends of the connecting portion, and the clamping ring is screwed to the threaded portion and is capable of pressing the sealing band against the connecting portion.
Alternatively, wherein the connecting portion and the threaded portion are provided as a unitary structure.
Alternatively, wherein the outer diameter of the connection portion is larger than the outer diameter of the threaded portion.
Alternatively, wherein the difference between the outer diameter of the connecting portion and the outer diameter of the threaded portion is 10mm.
Optionally, the pressing ring includes a pressing disc and a pressing column, both of which can be screwed to the stud, the pressing column can press the sealing belt, and the sealing ring is disposed on the pressing disc.
Optionally, the pressure plate is provided with an annular groove, and the seal ring is limited in the annular groove.
Alternatively, wherein the platen and the press post are provided as a unitary structure.
Alternatively, the sealing band and the sealing ring are made of elastic materials.
On the other hand, the flange assembly comprises the flange sealing bolt and a flange plate, and the flange sealing bolt can penetrate through and be connected with the flange plate.
The utility model has the beneficial effects that:
The stud can be penetrated through the flange plate, so that the flange sealing bolt can be connected to the flange plate. Further, the sealing strips are arranged on the studs at intervals, and the pressing rings are in threaded connection with the studs and can resist and press the sealing strips on the studs, so that the sealing effect of the flange sealing bolts on the inner side of the flange can be ensured, and the installation stability of the flange sealing bolts is improved. Optionally, the sealing washer inlays and locates in the clamping ring, and when the clamping ring supported on the ring flange, the sealing washer is limited to be located between ring flange and the clamping ring to this realizes the sealed outside of flange seal bolt, combines the sealed of inside sealing strip, realizes double seal, can improve holistic sealed effect under the prerequisite of guaranteeing flange connecting bolt and ring flange zonulae occludens, and then effectively avoids revealing the appearance of problem. On the other hand, the flange assembly provided with the flange sealing bolt and the flange plate can improve the sealing effect of the pipeline, and effectively avoid the occurrence of leakage.
Drawings
FIG. 1 is a schematic view of a flange seal bolt according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a stud in a flange seal bolt according to an embodiment of the present utility model;
fig. 3 is a schematic view of a pressing ring and a sealing ring in a flange sealing bolt according to an embodiment of the utility model.
In the figure:
10-studs; 20-sealing tape; 30-pressing ring; 40-sealing rings; 31-pressing plate; 32-pressing columns.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
At present, different types of pipelines exist in steel plants, and most of the pipelines are respectively supplied with different media, such as pressure air, water, oil, oxygen, nitrogen and the like, and the pressure of the pipelines is also approximately divided into three different types of high pressure, medium pressure and low pressure. The valves on the existing pipeline are connected in a flange bolt mode, so that stable installation of the valves is guaranteed, and smooth conveying of media is realized. However, in the use process, the problem that the sealing is not tight due to damage of the flange sealing gasket is often solved, the conventional improvement is that the flange is welded in a whole circle to avoid medium leakage, however, the leakage condition still exists at the bolt position for connecting the flange, if the flange is welded, the welding is not only labor-consuming, but also due to the specificity of the installation position, some bolts are difficult to weld and fix. So how to guarantee the tight connection of flange joint bolts, improve its sealed effect, effectively avoid revealing the problem and appear the problem that the present field personnel need solve.
The technical solution of the present embodiment is further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-3, this embodiment provides a flange sealing bolt for connection of a flange, the flange sealing bolt includes a stud 10, sealing strips 20, a pressing ring 30 and a sealing ring 40, the stud 10 can be arranged on the flange in a penetrating way, two sealing strips 20 are arranged on the stud 10 at intervals, two pressing rings 30 are arranged in a one-to-one correspondence with the sealing strips 20, the pressing ring 30 is in threaded connection with the stud 10 and can press the sealing strips 20 on the stud 10, two sealing rings 40 are arranged in a one-to-one correspondence with the pressing rings 30, the sealing ring 40 is embedded in the pressing rings 30, and when the pressing rings 30 are pressed against the flange, the sealing ring 40 is limited between the flange and the pressing rings 30. On the other hand, this embodiment still provides the flange subassembly, and the flange subassembly includes flange seal bolt and ring flange, and flange seal bolt can wear to establish and connect the ring flange.
Specifically, the stud 10 in this embodiment can be inserted through the flange, so that the flange sealing bolt can be connected to the flange. Further, the sealing strips 20 are arranged on the studs 10 at intervals, and the pressing rings 30 are in threaded connection with the studs 10 and can press the sealing strips 20 on the studs 10, so that the sealing effect of the flange sealing bolts on the inner side of the flange can be ensured, and the installation stability of the flange sealing bolts can be improved. Optionally, seal ring 40 inlays and locates in the clamping ring 30, and when clamping ring 30 supported on the ring flange, seal ring 40 spacing is in between ring flange and the clamping ring 30 to this realizes the sealed in flange seal bolt outside, combines the sealed of inside sealing strip 20, realizes double seal, can improve holistic sealed effect under the prerequisite of guaranteeing flange connecting bolt and ring flange zonulae occludens, and then effectively avoids revealing the appearance of problem. On the other hand, the flange assembly provided with the flange sealing bolt and the flange plate can improve the sealing effect of the pipeline, and effectively avoid the occurrence of leakage.
The specific structure of the flange seal bolt in this embodiment will be described below.
As shown in fig. 1 and 3, the flange sealing bolt in this embodiment includes a stud 10, a sealing band 20, a clamping ring 30, and a sealing ring 40. Specifically, the stud 10 can be threaded through the flange for connection thereto. Optionally, two sealing bands 20 are arranged on the stud 10 at intervals, the pressing rings 30 are arranged in one-to-one correspondence with the sealing bands 20, two pressing rings 30 are arranged on two sides of the flange respectively, and the sealing bands 20 can be pressed against the stud 10 on the inner side of the flange to seal and protect the inner side of the flange, and stable connection of the stud 10 is ensured. Further, two clamping rings 30 are both in threaded connection with the stud 10, the sealing rings 40 are arranged in a one-to-one correspondence with the clamping rings 30, two clamping rings 30 are also arranged and are correspondingly embedded in the clamping rings 30, when the distance between the two clamping rings 30 on the stud 10 is gradually reduced until the clamping rings are abutted against the flange, the sealing rings 40 are limited between the flange and the clamping rings 30, so that the outer sides of the flange sealing bolts are sealed and protected, further, the tight connection of the flange sealing bolts on the flange can be effectively ensured through the double protection of the inner part and the outer part, and the subsequent leakage or the problem of poor sealing is avoided.
As shown in fig. 2, in particular, the stud 10 includes a connecting portion and a threaded portion. Alternatively, two threaded portions are provided at both ends of the connecting portion, that is, both ends of the connecting portion are provided with threaded portions. Optionally, the outer diameter of the connecting portion is larger than the outer diameter of the threaded portion, thereby providing a stepped mesa to facilitate placement of the sealing band 20. Illustratively, the difference between the outer diameter of the connection portion and the outer diameter of the threaded portion is 10mm, and other values may be provided in other embodiments, without limitation. In this embodiment, the connection portion and the threaded portion are provided as an integral structure, so that the mechanical performance of the stud 10 as a whole is ensured, and the connection strength thereof is improved. Specifically, the pressing ring 30 can be screwed to the threaded portion, so that detachable connection between the pressing ring 30 and the stud 10 is ensured, and under the arrangement of the stepped table surface between the connecting portion and the threaded portion, the pressing ring 30 can respectively press the sealing strips 20 against two sides of the connecting portion, so that the stud 10 can be sealed and protected inside the flange. Further, the sealing band 20 is made of an elastic material, so that the sealing band has a certain rebound resilience, and expands after being extruded by the pressing ring 30, so as to achieve the effect of sealing and decompressing. Illustratively, the sealing band 20 has an outer diameter that is larger than the outer diameter of the connection portion and is adapted to the inner diameter of the connection hole of the flange, thereby ensuring a stable installation of the stud 10 and the sealing band 20 in the flange.
As shown in connection with fig. 1 and 3, the pressing ring 30 includes a pressing plate 31 and a pressing post 32. Specifically, both of them are provided with an internally threaded hole therethrough, so that both can be screwed to the threaded portion of the stud 10 to ensure stable installation of the clamping ring 30 on the stud 10. Alternatively, the outer diameter of the platen 31 is larger than the outer diameter of the press stud 32, and the outer diameter of the press stud 32 is larger than the inner diameter of the seal band 20. And when the clamping rings 30 are in threaded connection with the stud 10, the two clamping rings 30 are oppositely arranged, and the clamping columns 32 are positioned between the connecting part and the pressure plate 31, so that the clamping columns 32 can press the sealing belt 20 on the stepped table surface of the connecting part, and the sealing belt 20 is gradually limited between the clamping columns 32 and the connecting part along with the gradual reduction of the distance between the clamping columns 32 and the connecting part so as to provide a sealing effect and integrally ensure stable installation on the flange plate. Illustratively, the pressing plate 31 and the pressing post 32 are provided as an integral structure, thereby securing the mechanical properties of the pressing ring 30 and improving the connection strength thereof.
As shown in fig. 3, optionally, an annular groove is provided on the platen 31, and a seal ring 40 is limited in the annular groove, so as to be disposed on the platen 31. In this embodiment, the outer diameter of the pressing plate 31 is larger than the inner diameter of the flange connecting hole, so that the pressing plate 31 can be propped against the outer side of the flange, and the integral limit of the flange sealing bolt is realized. Further, since the pressing rings 30 are provided with two pressing plates 31 in this embodiment, the two pressing plates are respectively located at two sides of the flange plate to integrally limit and install the flange sealing bolts on the flange plate. Further, the diameter of the sealing ring 40 is larger than that of the flange plate connecting hole, so that when the pressure plate 31 is propped against the outer side of the flange plate, the sealing ring 40 is limited between the flange plate and the pressure plate 31, and further sealing protection of the outer side of the flange sealing bolt is realized. The seal ring 40 is also illustratively made of an elastic material, so as to have a certain rebound resilience, and is expanded after being pressed by the pressing plate 31, so as to achieve the effect of sealing and decompressing.
On the other hand, this embodiment also provides a flange assembly, including the above-mentioned flange sealing bolt and ring flange, so that the ring flange is penetrated through by the flange sealing bolt, and under the cooperation of its clamping ring 30 and stud 10, its whole body is stably connected to the ring flange. Further, under the dual protection of the sealing band 20 and the sealing ring 40, the leakage or the poor sealing problem can be effectively avoided.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Flange sealing bolt for the connection of ring flange, its characterized in that, flange sealing bolt includes:
the stud (10) can be penetrated through the flange plate;
the sealing belts (20) are arranged on the studs (10) at intervals, and two sealing belts (20) are arranged on the studs at intervals;
The two pressing rings (30) are arranged and correspond to the sealing strips (20) one by one, and the pressing rings (30) are in threaded connection with the studs (10) and can press the sealing strips (20) on the studs (10);
The sealing rings (40) are arranged in two, are arranged in one-to-one correspondence with the pressing rings (30), and are embedded in the pressing rings (30), and when the pressing rings (30) are propped against the flange, the sealing rings (40) are limited between the flange and the pressing rings (30).
2. Flange sealing bolt according to claim 1, characterized in that the stud (10) comprises a connecting portion and a threaded portion, the threaded portion being provided at both ends of the connecting portion, the clamping ring (30) being screwed to the threaded portion and being capable of pressing the sealing band (20) against the connecting portion.
3. The flange sealing bolt of claim 2, wherein the connection portion and the threaded portion are provided as a unitary structure.
4. The flange sealing bolt of claim 2, wherein an outer diameter of the connection portion is greater than an outer diameter of the threaded portion.
5. The flange sealing bolt of claim 4, wherein a difference between an outer diameter of the connection portion and an outer diameter of the threaded portion is 10mm.
6. Flange sealing bolt according to claim 1, characterized in that the press ring (30) comprises a press disc (31) and a press column (32), both of which can be screwed to the stud (10), the press column (32) can press the sealing band (20), and the sealing ring (40) is arranged on the press disc (31).
7. Flange sealing bolt according to claim 6, characterized in that the pressure plate (31) is provided with an annular groove in which the sealing ring (40) is confined.
8. Flange sealing bolt according to claim 6, characterized in that the pressure plate (31) and the pressure post (32) are provided as a unitary structure.
9. Flange sealing bolt according to any of claims 1-8, characterized in that the sealing band (20) and the sealing ring (40) are both made of an elastic material.
10. A flange assembly comprising a flange sealing bolt according to any one of claims 1-9 and a flange plate, said flange sealing bolt being capable of penetrating and connecting said flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322911395.8U CN221054118U (en) | 2023-10-30 | 2023-10-30 | Flange sealing bolt and flange assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322911395.8U CN221054118U (en) | 2023-10-30 | 2023-10-30 | Flange sealing bolt and flange assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054118U true CN221054118U (en) | 2024-05-31 |
Family
ID=91200017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322911395.8U Active CN221054118U (en) | 2023-10-30 | 2023-10-30 | Flange sealing bolt and flange assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054118U (en) |
-
2023
- 2023-10-30 CN CN202322911395.8U patent/CN221054118U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |