CN217463615U - Welded flange gasket subassembly structure - Google Patents
Welded flange gasket subassembly structure Download PDFInfo
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- CN217463615U CN217463615U CN202220503485.6U CN202220503485U CN217463615U CN 217463615 U CN217463615 U CN 217463615U CN 202220503485 U CN202220503485 U CN 202220503485U CN 217463615 U CN217463615 U CN 217463615U
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- pipe
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- flange
- metal seal
- metal sealing
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Abstract
The utility model relates to a seal structure technical field provides a welded flange gasket subassembly structure, including the metal seal subassembly, connect manage one with manage two, the metal seal subassembly includes two metal seal spare, two the metal seal spare sets up relatively, one the metal seal spare is connected manage one, another the metal seal spare is connected manage two, two the metal seal spare all has the annular groove. Through above-mentioned technical scheme, the nonmetal sealing connection who has solved among the prior art makes nut bolt fixed connection not hard up because the influence that the pipeline rocked in the use, and the sealed effect variation of nonmetal sealing gasket leads to the medium to leak easily, causes the problem of harm.
Description
Technical Field
The utility model relates to a seal structure technical field, it is specific, relate to a welded flange gasket subassembly structure.
Background
The medium in some pressure vessels is extremely toxic and dangerous, and the pressure in the pressure vessels is high, which requires that the medium in the pressure vessels is not allowed to leak in a small amount during the use process of the pressure vessels. Pressure vessels typically leak at the junction of the vessel flange and the external pipe flange. There is sealed the pad in the junction, and sealed the pad is non-metallic material generally, when utilizing non-metallic gasket to carry out flange sealing connection, uses work pieces such as nut bolt to carry out fixed connection usually, just takes place easily under the condition that the pipeline is certain length, and non-metallic sealing connects in the use, and difficult to avoid is because the influence that the pipeline rocked makes nut bolt fixed connection not hard up, and non-metallic gasket seals the effect variation, leads to the medium to leak easily, causes harm.
SUMMERY OF THE UTILITY MODEL
The utility model provides a welded flange gasket subassembly structure has solved the nonmetal sealing connection among the correlation technique in the use, and difficult exempts from makes nut bolt fixed connection not hard up because the influence that the pipeline rocked, and the sealed effect variation of non-metallic packing leads to the medium to leak easily, causes the problem of harm.
The technical scheme of the utility model as follows:
a welded flange gasket assembly structure for sealing a first pipe and a second pipe comprises
A metal seal assembly connecting the first tube and the second tube,
the metal sealing assembly comprises two metal sealing elements, the two metal sealing elements are oppositely arranged, one metal sealing element is connected with the first pipe, the other metal sealing element is connected with the second pipe, and the two metal sealing elements are provided with annular grooves.
As a further technical solution, the metal sealing members each have a first connecting portion through which one of the metal sealing members is connected to the first pipe, and a second connecting portion through which the other of the metal sealing members is connected to the second pipe, and the two metal sealing members are connected to each other.
As a further technical solution, the first connection portion and the second connection portion are located at two sides of the annular groove, and the first connection portion is higher than the second connection portion along a radial direction of the first tube or the second tube.
As a further technical scheme, the two metal sealing elements are provided with through holes, and the through holes are cylindrical and are collinear in the axial direction.
As a further technical scheme, the first pipe and the second pipe are both provided with flange parts, a flange space is formed between the two flange parts, and the device also comprises
The bolt is in threaded connection with the first pipe and the second pipe through the flange part, after connection, the first pipe and the second pipe clamp the metal sealing assembly, and the annular groove is located in the flange space.
The utility model discloses a theory of operation and beneficial effect do:
in order to solve the above problems, the present inventors have designed a welded flange gasket assembly structure;
in the non-metal sealing gasket in the prior art, because the elasticity is small and the welding sealing cannot be carried out, the joint of the non-metal gasket for carrying out the flange sealing is easy to leak and cause damage, so the inventor uses a metal sealing assembly which is used for connecting a pressure container flange and an external connecting flange, because the elastic variable of metal is larger than that of the non-metal sealing gasket, the elasticity is better, the sealing performance is better, and in order to further improve the sealing performance, the sealing surface of the metal sealing assembly is connected with the two flanges through welding, and the welding quality of a welding line can be ensured; in order to facilitate the manufacturing process, the inventor designs the metal sealing assembly to comprise two metal sealing elements; and in order to further guarantee that the leakproofness is good, design two metal seal spare and all have the annular groove for when two pipes rock, because welded connection, make the medium be difficult to leak, and because the pipeline rocks, metal seal spare can all have the allowance of activity in many directions under the effect of annular groove, can guarantee to improve the elasticity, when the increase allowance of activity, also better assurance leakproofness prevents the medium leakage.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a sectional view of a welded flange gasket assembly according to the present invention;
FIG. 2 is a cross-sectional view of a metal seal according to the present invention;
in the figure: 1. the pipe I, 2, the pipe II, 3, the metal seal assembly, 4, the metal seal piece, 5, the annular groove, 6, the first connecting portion, 7, the second connecting portion, 8, the through hole, 9, the flange portion, 10, the flange space, 11, the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in FIGS. 1-2, the present embodiment provides a welded flange gasket assembly structure for sealing a first pipe 1 and a second pipe 2, comprising
A metal seal assembly 3 connecting the first tube 1 and the second tube 2,
the metal sealing assembly 3 comprises two metal sealing elements 4, the two metal sealing elements 4 are oppositely arranged, one metal sealing element 4 is connected with the first pipe 1, the other metal sealing element 4 is connected with the second pipe 2, and the two metal sealing elements 4 are provided with annular grooves 5.
In the embodiment, the inventor uses a metal sealing assembly 3 which is used for connecting a pressure vessel flange and an external connecting flange, the two flanges are usually two pipes, the elasticity variable of metal is larger than that of a non-metal sealing gasket, the elasticity is better, the sealing performance is better, and in order to further improve the sealing performance, the sealing surface of the metal sealing assembly 3 is connected with the two flanges through welding, and the welding quality of a welding seam can be ensured; in order to facilitate processing and production, two pipes are connected, the inventor designs that the metal sealing component 3 comprises two metal sealing parts 4 which are oppositely arranged, one metal sealing part 4 is connected with the pipe I1, and the other metal sealing part 4 is connected with the pipe II 2, so that one metal sealing part 4 is conveniently welded on one pipe, the other metal sealing part 4 is welded on the other pipe, and the other pipe is connected, thereby improving the production efficiency; and in order to further guarantee that the leakproofness is good, design two metal seal 4 and all have annular groove 5 for when two pipes rock, because welded connection makes the medium be difficult to leak, and because the pipeline rocks, metal seal 4 can all have the allowance of moving under annular groove 5's effect in many directions, can guarantee to improve the elasticity, when the increase allowance of moving, also better assurance the leakproofness, prevent that the medium from leaking.
Further, the metal sealing members 4 each have a first connecting portion 6 and a second connecting portion 7, one of the metal sealing members 4 is connected to the first pipe 1 through the first connecting portion 6, the other of the metal sealing members 4 is connected to the second pipe 2 through the first connecting portion 6, and the two metal sealing members 4 are connected to each other through the second connecting portion 7.
In this embodiment, in order to weld two metal seal 4 on two pipes conveniently, further improve production and processing welded efficiency, the inventor designs that two metal seal 4 all have first connecting portion 6 and second connecting portion 7, and one metal seal 4 is through first connecting portion 6 welded connection pipe 1, another metal seal 4 is through first connecting portion 6 welded connection pipe two 2, it is more convenient with connecting portion and pipe welded connection, and then make things convenient for metal seal 4 and pipe sealing connection, and two metal seal 4 are through second connecting portion 7 mutual welded connection, and then realize that whole metal seal assembly 3 is with two pipe sealing connection, and the production efficiency is improved.
Further, a first connection portion 6 and a second connection portion 7 are located at both sides of the annular groove 5, and the first connection portion 6 is higher than the second connection portion 7 in a radial direction of the first tube 1 or the second tube 2.
In this embodiment, the first connecting portion 6 and the second connecting portion 7 are located on two sides of the annular groove 5, and the first connecting portion 6 is higher than the second connecting portion 7 along the radial direction of the first pipe 1 or the second pipe 2, if under the shaking action of the pipe, because the first connecting portion 6 is higher than the second connecting portion 7, further under the action of the annular groove 5, the whole metal sealing assembly 3 can have a movement allowance in many directions, so that the elasticity is improved, the sealing performance is ensured, and the medium leakage is prevented.
Further, the two metal sealing elements 4 are provided with through holes 8, and the two through holes 8 are cylindrical and are axially collinear.
In this embodiment, two metal seal 4 all have through-hole 8, and two through-holes 8 are the cylindricality, and the two axial collineations, is in order to prevent when using metal seal 4, and when the medium in the pressure vessel flowed to pipe two 2 behind two metal seal 4 through pipe 1, the medium was blockked between two metal seal 4 through-holes 8, leads to the medium to flow not smoothly, reduces the result of use.
Further, the first pipe 1 and the second pipe 2 are provided with flange parts 9, a flange space 10 is formed between the two flange parts 9, and the device also comprises
The bolt 11 is in threaded connection with the first pipe 1 and the second pipe 2 through the flange part 9, after connection, the first pipe 1 and the second pipe 2 clamp the metal sealing assembly 3, and the annular groove 5 is located in the flange space 10.
In this embodiment, the first pipe 1 and the second pipe 2 both have the flange portions 9, a flange space 10 is formed between the two flange portions 9, in order to further improve the connection stability of the two pipes, the inventor further adds the bolt 11, the first pipe 1 and the second pipe 2 are connected through the flange portions 9 and threads, the threads are connected to further stabilize the connection between the pipes, and the annular groove 5 is located in the flange space 10, so as to prevent the annular groove 5 from influencing the position of the bolt 11 connected to the threads, which leads to the abnormal use of the pipe, after the bolt 11 is connected, the first pipe 1 and the second pipe 2 can clamp the metal sealing component 3, which also improves the sealing effect, and also prevents the pipeline from shaking, which causes hard welding to be easily damaged for a long time, and under the action of the bolt 11, the pipes and the pipes are not easily separated, thereby improving the service life.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A welding flange gasket component structure is used for sealing a first connecting pipe (1) and a second connecting pipe (2), and is characterized by comprising
A metal seal assembly (3) connecting the first tube (1) and the second tube (2),
the metal sealing assembly (3) comprises two metal sealing elements (4), the two metal sealing elements (4) are arranged oppositely, one metal sealing element (4) is connected with the first pipe (1), the other metal sealing element (4) is connected with the second pipe (2), and the two metal sealing elements (4) are provided with annular grooves (5).
2. A welding flange gasket assembly structure according to claim 1, characterized in that said metal seals (4) each have a first connecting portion (6) and a second connecting portion (7), one of said metal seals (4) being connected to said first pipe (1) by said first connecting portion (6), the other of said metal seals (4) being connected to said second pipe (2) by said first connecting portion (6), the two metal seals (4) being connected to each other by said second connecting portion (7).
3. A welded flange gasket assembly construction according to claim 2, characterized in that the first connection portion (6) and the second connection portion (7) are located on either side of the annular recess (5), the first connection portion (6) being higher than the second connection portion (7) in the radial direction of the first pipe (1) or the second pipe (2).
4. A welding flange gasket assembly structure according to claim 2, characterized in that both said metal seals (4) have through holes (8), both said through holes (8) being cylindrical and axially collinear.
5. A welded flange gasket assembly structure according to claim 1, characterized in that said first pipe (1) and said second pipe (2) each have a flange portion (9), a flange space (10) being formed between said flange portions (9), further comprising
The bolt (11) is in threaded connection with the first pipe (1) and the second pipe (2) through the flange part (9), after connection, the first pipe (1) and the second pipe (2) clamp the metal sealing assembly (3), and the annular groove (5) is located in the flange space (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503485.6U CN217463615U (en) | 2022-03-08 | 2022-03-08 | Welded flange gasket subassembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503485.6U CN217463615U (en) | 2022-03-08 | 2022-03-08 | Welded flange gasket subassembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463615U true CN217463615U (en) | 2022-09-20 |
Family
ID=83266627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220503485.6U Active CN217463615U (en) | 2022-03-08 | 2022-03-08 | Welded flange gasket subassembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463615U (en) |
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2022
- 2022-03-08 CN CN202220503485.6U patent/CN217463615U/en active Active
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