CN221463179U - Metal flange connection structure - Google Patents
Metal flange connection structure Download PDFInfo
- Publication number
- CN221463179U CN221463179U CN202322182384.0U CN202322182384U CN221463179U CN 221463179 U CN221463179 U CN 221463179U CN 202322182384 U CN202322182384 U CN 202322182384U CN 221463179 U CN221463179 U CN 221463179U
- Authority
- CN
- China
- Prior art keywords
- metal flange
- clamp
- flange
- metal
- gaskets
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000007769 metal material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Abstract
The utility model discloses a metal flange connecting structure, wherein two gaskets are arranged in a gap between opposite side surfaces of a first metal flange and a second metal flange, the gaskets are symmetrical arc gaskets, and sealing layers are arranged on the outer surfaces of the gaskets; the side surface of the gasket, which is far away from the first pipeline, is fixedly provided with a clamp, the clamp can accommodate a first metal flange and a second metal flange, two ends of one clamp are respectively provided with a shell, the shells can be respectively clamped on two ends of the other clamp, two ends of the clamp, which are not provided with the shells, are respectively provided with a first connecting hole, the shells are provided with a second connecting hole, and the first connecting holes and the second connecting holes which are mutually clamped are connected through fastening bolts; the clamp is provided with a plurality of third connecting holes which can respectively correspond to the bolt holes of the first metal flange and the second metal flange; the side of the clamp away from the gasket is provided with a handle which is easy to hold. The advantages are that: the manufacturing cost can be reduced, the flange is suitable for various scenes, and the flange is used in place of various types of flanges.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a metal flange connecting structure.
Background
A flange is a part that interconnects pipes. The prior flange is pre-tightened by bolts, so that the sealing gaskets between the sealing surfaces of the flange are compacted and are filled in the rugged gaps on the sealing surfaces of the flange, and the leakage of medium through the permeability of capillary holes in the gaskets and the leakage of interfaces between the gaskets and the sealing surfaces are prevented, thereby realizing pre-sealing.
However, when the use occasions of the flanges are different, people need to select different types of flanges according to the use demands, such as flat welding flanges, butt welding flanges, loose flanges, threaded flanges and the like, due to different environmental pressure and temperature values, however, the structure requires the users to be provided with flanges of various types, and the manufacturing cost is high. Therefore, if a universal flange connection structure is available, the manufacturing cost is greatly reduced.
Disclosure of utility model
The utility model solves the technical problems and provides the metal flange connecting structure which can reduce the manufacturing cost and replace various types of flanges.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a metal flange connection structure comprises a first known pipeline and a second known pipeline, wherein a metal flange is fixed at one end of the first pipeline, and a metal flange is fixed at the opposite end of the second pipeline to the first pipeline;
The first metal flange and the second metal flange are sealed by a gasket and pre-tightened by bolts; two gaskets are arranged in the gap between the opposite side surfaces of the first metal flange and the second metal flange, the gaskets are in symmetrical arc shapes and encircle the whole space between the first metal flange and the second metal flange, and sealing layers are arranged on the outer surfaces of the gaskets;
The side surface of the gasket, which is far away from the first pipeline, is fixed with a clamp which can accommodate the first metal flange and the second metal flange, and further, the clamp and the gasket are of an integrated structure and are made of metal materials;
the two ends of one of the clamping hoops are respectively fixed with a shell, the shells can be respectively clamped on the two ends of the other clamping hoop, the two ends of the clamping hoop without the shell are respectively provided with a first connecting hole, the shells are provided with a second connecting hole, and the first connecting holes and the second connecting holes which are mutually clamped correspond to each other and are connected through fastening bolts;
the clamp is provided with a plurality of third connecting holes which can respectively correspond to the bolt holes of the first metal flange and the second metal flange;
the gasket is also provided with mounting holes corresponding to the first connecting holes and the second connecting holes, and when the gasket does not extend to the first connecting holes and the second connecting holes, holes are not needed.
The side of clamp far away from the gasket is equipped with the handle of easily gripping, is convenient for people to grip the handle and installs the clamp on metal flange one and metal flange two.
Further, at least two handles of each clamp are arranged at intervals and in optimal quantity.
Further, the clamp wraps the outer ends of the first metal flange and the second metal flange, and is similar to an outer protective shell structure.
Further, the gasket is positioned in the connecting gap between the first metal flange and the second metal flange, and the sealing layer can fill the connecting gap, so that the connection tightness is improved.
Furthermore, the clamp and the gasket are of an integrated structure and are made of metal materials, so that the connection is stable and the manufacturing is easy.
Furthermore, the clamp forms a circle, and is adapted to the shapes of the first metal flange and the second metal flange, and is mainly applied to the circular flange.
Compared with the prior art, the utility model has the advantages that: the metal flange I and the metal flange II of the product can adopt common flanges (such as flat welding flanges, the flat welding flanges are used for occasions with low temperature and low pressure), the flat welding flanges are singly used under the condition of occasions with low temperature and low pressure, and in the important occasions with high pressure and high temperature and toxicity, combustibility and explosiveness, better sealing can be realized by additionally installing a clamp wrapped at the joint, in particular, the clamp is clamped between the outer ends of the connected metal flange I and the metal flange II, then the clamp is connected by using fastening bolts, the gasket penetrates into the connecting gap of the metal flange I and the metal flange II, and the sealing layer is adopted to enhance the connection sealing property, so that the flange connecting structure has high connection strength and can not fall off, and the flange connecting structure can be used under high-temperature and high-pressure water environment and has very good sealing performance and high stability.
Drawings
Fig. 1 is a schematic view of the internal structure of a clip of a metal flange connection structure according to the present utility model.
Fig. 2 is a schematic vertical sectional structure of a metal flange connection structure according to the present utility model.
Fig. 3 is a schematic cross-sectional view of a metal flange connection structure according to the present utility model.
Fig. 4 is a schematic view of the overall structure of a clip of a metal flange connection structure according to the present utility model.
As shown in the figure: 1. first pipeline, 2, second pipeline, 3, metal flange, 4, metal flange, 5, gasket, 6, sealing layer, 7, clamp, 8, shell, 9, first connecting hole, 10, second connecting hole, 11, bolt hole, 12, third connecting hole, 13, handle, 14, gap.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 4, a metal flange connection structure comprises a first known pipeline 1 and a second known pipeline 2, wherein a metal flange 3 is fixed at one end of the first pipeline 1, and a metal flange 4 is fixed at the opposite end of the second pipeline 2 to the first pipeline 1;
The first metal flange 3 and the second metal flange 4 are sealed by a gasket and pre-tightened by bolts; two gaskets 5 are arranged in the gap between the opposite side surfaces of the first metal flange 3 and the second metal flange 4, the gaskets 5 are in symmetrical arc shapes and encircle the whole space between the first metal flange 3 and the second metal flange 4, the outer surfaces of the gaskets 5 are provided with sealing layers 6, and the sealing layers are supported by carbon materials, wrapped and fixed on the outer surfaces of the gaskets;
Further, the gasket 5 is positioned in the connecting gap 14 between the first metal flange 3 and the second metal flange 4, and the sealing layer 6 can fill the connecting gap 14, so that the connection tightness is improved.
As an embodiment of the present utility model, the clip 7 and the gasket 5 are integrally formed, and are made of metal materials, so that the connection is stable and easy to manufacture.
The side surface of the gasket 5, which is far away from the first pipeline 1, is fixedly provided with a clamp 7, the clamp 7 can accommodate the first metal flange 3 and the second metal flange 4, and further, the clamp 7 and the gasket 5 are of an integrated structure and are made of metal materials;
further, the clamp 7 wraps the outer ends of the first metal flange 3 and the second metal flange 4, is similar to an outer protective shell structure, has a locking effect, increases the high pressure resistance of the flange, and can replace a threaded flange.
The two ends of one of the hoops 7 are respectively fixed with a shell 8, the shells 8 can be respectively clamped at the two ends of the other hoop 7, the two ends of the hoop 7 which are not provided with the shells 8 are respectively provided with a first connecting hole 9, the shells 8 are provided with a second connecting hole 10, and the first connecting holes 9 and the second connecting holes 10 which are mutually clamped correspond to each other and are connected through fastening bolts;
The gasket 5 is also provided with mounting holes corresponding to the first connecting holes 9 and the second connecting holes 10, and when the gasket does not extend to the first connecting holes and the second connecting holes, no holes are needed.
Referring to fig. 2 and 3, the clamp 7 is provided with a plurality of third connecting holes 12 which can respectively correspond to the bolt holes 11 of the first metal flange 3 and the second metal flange 4; the side of the clamp 7 away from the gasket 5 is provided with a handle 13 which is easy to hold, so that people can hold the handle to install the clamp 7 on the first metal flange 3 and the second metal flange 4.
Preferably, the handles 13 of each clip 7 are at least two and spaced apart.
Preferably, the clamp 7 is formed in a circular shape and is adapted to the shape of the first metal flange 3 and the second metal flange 4, and is mainly applied to the circular flange.
In the concrete implementation of the utility model, the clamp is clamped between the connected outer ends of the metal flange I and the metal flange, one shell is buckled on the two ends of the other clamp, then the shell and the clamp are connected with the metal flange I and the metal flange by using the fastening bolts, at the moment, the gasket is obtained to extend into the connecting gap between the metal flange I and the metal flange II, the sealing layer is adopted to enhance the connection tightness, and the clamp locks the metal flange I and the metal flange II again, so that the connection strength of the flange connection structure is high, the flange cannot fall off, the production efficiency of the flange production of a single model is relatively higher than that of the flange production of multiple models, and the flange production device can be used under high-temperature and high-pressure water environment, and has very good sealing performance and high stability.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. The utility model provides a metal flange connection structure, includes pipeline one (1) and pipeline two (2), the one end of pipeline one (1) is equipped with metal flange one (3), pipeline two (2) are equipped with metal flange two (4) with the relative one end of pipeline one (1), its characterized in that: the metal flange I (3) and the metal flange II (4) are connected through fastening bolts, two gaskets (5) are arranged between the opposite side surfaces of the metal flange I (3) and the metal flange II (4), the two gaskets (5) are arc-shaped and symmetrical, and sealing layers (6) are arranged on the outer surfaces of the gaskets (5); the two gaskets (5) are respectively provided with a clamp (7) on the side surface far away from the first pipeline (1), and the two clamps (7) can accommodate the first metal flange (3) and the second metal flange (4); the two ends of one of the hoops (7) are respectively provided with a shell (8), the shells (8) can be respectively clamped at the two ends of the other hoop (7), the two ends of the hoop (7) which is not provided with the shells (8) are respectively provided with a first connecting hole (9), the shells (8) are provided with a second connecting hole (10), and the first connecting holes (9) and the second connecting holes (10) which are mutually clamped correspond to each other and are connected through fastening bolts; the clamp (7) is provided with a plurality of third connecting holes (12) which can be mutually corresponding to the bolt holes (11) of the first metal flange (3) and the second metal flange (4).
2. A metal flange connection according to claim 1, wherein: the two hoops (7) are wrapped at the outer ends of the first metal flange (3) and the second metal flange (4).
3. A metal flange connection according to claim 1, wherein: the gasket (5) is positioned in a connecting gap (14) between the first metal flange (3) and the second metal flange (4), and the sealing layer (6) fills the gap (14).
4. A metal flange connection according to claim 1, wherein: the side that gasket (5) was kept away from to clamp (7) is equipped with handle (13) of easily gripping, clamp (7), gasket (5) are integrated into one piece structure and are the metal material.
5. A metal flange connection according to claim 4, wherein: at least two handles (13) of each clamp (7) are arranged at intervals.
6. A metal flange connection according to claim 1, wherein: the two hoops (7) form a circle and are matched with the shapes of the first metal flange (3) and the second metal flange (4).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221463179U true CN221463179U (en) | 2024-08-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |