CN216408053U - Internal sealing flange convenient to fix - Google Patents
Internal sealing flange convenient to fix Download PDFInfo
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- CN216408053U CN216408053U CN202123100448.5U CN202123100448U CN216408053U CN 216408053 U CN216408053 U CN 216408053U CN 202123100448 U CN202123100448 U CN 202123100448U CN 216408053 U CN216408053 U CN 216408053U
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Abstract
The utility model discloses an internal sealing flange convenient to fix, which comprises a first flange and a second flange, wherein through holes are formed in the side walls of the first flange and the second flange, welding ports are formed in the front side wall of the first flange and the rear side wall of the second flange, the two welding ports are fixedly connected to the outer sides of the through holes in the front side wall of the first flange and the rear side wall of the second flange respectively, a clamping table is arranged on the inner side wall, close to the rear side, of the through hole in the first flange, a plurality of positioning holes are formed in the rear side wall of the first flange, and a connecting pipe is arranged on the front side wall of the second flange. According to the utility model, the plurality of positioning holes are formed in the rear side wall of the first flange, the plurality of positioning bolts are arranged on the front side wall of the second flange, and the positioning bolts are inserted into the positioning holes during connection, so that the positioning and fixing during installation are facilitated, the structure is simple, and the installation efficiency is improved.
Description
Technical Field
The utility model relates to the field of flange plates, in particular to an internal sealing flange convenient to fix.
Background
A Flange (Flange), also known as a Flange collar or Flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts.
The prior patent (publication number: CN205118515U) discloses an inner sealing flange, which comprises a flange body (1), wherein the top of the flange body (1) is provided with a bulge (2), the inner wall of the top of the flange body (1) is provided with an inner groove (3), the outer wall of the flange body is provided with an outer groove (4) and an annular second groove (8), two sides of the bottom of the bulge (2) are respectively connected with the upper edge of the inner groove (3) and the upper edge of the outer groove (4), the flange body (1) is uniformly provided with fixing holes (7), the fixing holes (7) are positioned outside the bulge (2), the upper edge of the second groove (8) is connected with the lower edge of the outer groove (4), the lower edge of the second groove (8) is connected with the upper end edge of the fixing holes (7), the inner wall of the lower part of the flange body (1) is provided with the annular first groove (5), and the utility model still has some defects in the use process, inconvenient fixed when two flanges are connected, sometimes can be inaccurate for the connecting hole pair lead to needing to reconnect, lead to the installation effectiveness slow, the practicality is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an inner sealing flange convenient to fix.
In order to achieve the purpose, the utility model adopts the following technical scheme: an inner sealing flange convenient to fix comprises a first flange and a second flange, wherein through holes are respectively arranged on the side walls of the first flange and the second flange, the front side wall of the first flange and the rear side wall of the second flange are both provided with welding ports which are respectively and fixedly connected with the outer sides of the through holes of the front side wall of the first flange and the rear side wall of the second flange, a clamping table is arranged on the inner side wall of the through hole in the first flange close to the rear side, a plurality of positioning holes are arranged on the rear side wall of the first flange, the front side wall of the second flange is provided with a connecting pipe, the front side wall of the connecting pipe is provided with an annular groove, the inside of ring channel is provided with the sealing washer, is located be provided with a plurality of pilot bolts on the preceding lateral wall of the second flange at both ends about the connecting pipe, and is a plurality of the equal fixed connection of rear end of pilot bolt is on the preceding lateral wall of second flange.
As a further description of the above technical solution:
the diameter of the connecting pipe is consistent with the diameter of the clamping table on the inner side wall of the through hole.
As a further description of the above technical solution:
the side walls of the first flange and the second flange are respectively provided with eight connecting holes, the eight connecting holes are in circular array type and respectively penetrate through the side walls of the first flange and the second flange, and the positions of the connecting holes in the side wall of the first flange are in one-to-one correspondence with the positions of the connecting holes in the side wall of the second flange.
As a further description of the above technical solution:
the positions of the positioning holes on the side wall of the first flange are in one-to-one correspondence with the positions of the positioning bolts on the side wall of the second flange.
As a further description of the above technical solution:
the first flange and the second flange are fixedly installed through a plurality of fixing bolts.
As a further description of the above technical solution:
the depth of the annular groove is two thirds of the thickness of the sealing ring.
As a further description of the above technical solution:
the first flange and the welding end and the second flange and the welding end are integrally cast.
The utility model has the following beneficial effects:
compared with the existing arrangement, the utility model has the advantages that the positioning holes are formed in the rear side wall of the first flange, the positioning bolts are arranged on the front side wall of the second flange, and the positioning bolts are inserted into the positioning holes during connection, so that the positioning and fixing during installation are convenient, the structure is simple, and the installation efficiency is improved.
Compared with the existing arrangement, the sealing device has the advantages that the annular groove is formed in the front side wall of the connecting pipe, the detachable sealing ring is arranged inside the annular groove, the front end of the connecting pipe is inserted into the through hole when the first flange is connected with the second flange, the front end of the connecting pipe is just propped against the side wall of the clamping table, and the sealing is arranged inside the connecting pipe, so that the sealing performance during installation is improved.
Drawings
FIG. 1 is an isometric view of an inner sealing flange of the present invention which facilitates securement;
FIG. 2 is a front view of a first flange of an internal sealing flange of the present invention to facilitate securement;
FIG. 3 is a side view of a second flange of an inner sealing flange for facilitating securement in accordance with the present invention;
fig. 4 is a rear view of a second flange of an inner sealing flange for facilitating fastening according to the present invention.
Illustration of the drawings:
1. a first flange; 2. connecting holes; 3. a second flange; 4. welding the end; 5. positioning holes; 6. clamping a platform; 7. positioning bolts; 8. a connecting pipe; 9. an annular groove; 10. a seal ring; 11. and a through hole.
Detailed Description
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: an inner sealing flange convenient to fix comprises a first flange 1 and a second flange 3, through holes 11 are respectively arranged on the side walls of the first flange 1 and the second flange 3, welding ports 4 are respectively arranged on the front side wall of the first flange 1 and the rear side wall of the second flange 3, the first flange 1 and the second flange 3 are respectively welded and connected at the end parts of two pipelines through the welding ports 4, the two welding ports 4 are respectively fixedly connected at the outer sides of the through holes 11 on the front side wall of the first flange 1 and the rear side wall of the second flange 3, a clamping table 6 is arranged on the inner side wall of the through hole 11 close to the rear side in the first flange 1, a plurality of positioning holes 5 are arranged on the rear side wall of the first flange 1, the positioning holes 5 are circular, a connecting pipe 8 is arranged on the front side wall of the second flange 3, an annular groove 9 is arranged on the front side wall of the connecting pipe 8, a sealing ring 10 is arranged in the annular groove 9, the depth of the annular groove 9 is two thirds of the thickness of the sealing ring 10, a plurality of positioning bolts 7 are arranged on the front side wall of the second flange 3 at the upper end and the lower end of the connecting pipe 8, and the rear ends of the positioning bolts 7 are fixedly connected on the front side wall of the second flange 3.
The diameter of the connecting pipe 8 is consistent with that of the clamping table 6 on the inner side wall of the through hole 11, the front side wall of the connecting pipe 8 is exactly propped against the side wall of the clamping table 6 during connection, the sealing ring 10 on the front side wall of the connecting pipe 8 is more tightly attached to the side wall of the clamping table 6 along with the connection of the fixing bolt, the sealing performance of a connection part is greatly improved, eight connecting holes 2 are respectively arranged on the side walls of the first flange 1 and the second flange 3, the eight connecting holes 2 respectively penetrate through the side walls of the first flange 1 and the second flange 3 in a circular array manner, the positions of the connecting holes 2 on the side wall of the first flange 1 and the positions of the connecting holes 2 on the side wall of the second flange 3 are in one-to-one correspondence, the positions of the positioning holes 5 on the side wall of the first flange 1 and the positioning bolts 7 on the side wall of the second flange 3 are in one-to-one correspondence, the first flange 1 and the second flange 3 are convenient to position during connection and are convenient to install and fix, install fixedly between first flange 1 and the second flange 3 through a plurality of fixing bolt, first flange 1 and welding end 4 and second flange 3 all adopt the integral type casting with welding end 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an interior sealing flange convenient to it is fixed, includes first flange (1), second flange (3), its characterized in that: through holes (11) are formed in the side walls of the first flange (1) and the second flange (3), welding ends (4) are arranged on the front side wall of the first flange (1) and the rear side wall of the second flange (3), the two welding ends (4) are fixedly connected to the outer sides of the through holes (11) in the front side wall of the first flange (1) and the rear side wall of the second flange (3) respectively, a clamping table (6) is arranged on the inner side wall, close to the rear side, of the through hole (11) in the first flange (1), a plurality of positioning holes (5) are formed in the rear side wall of the first flange (1), a connecting pipe (8) is arranged on the front side wall of the second flange (3), an annular groove (9) is formed in the front side wall of the connecting pipe (8), a sealing ring (10) is arranged in the annular groove (9), and a plurality of positioning bolts (7) are arranged on the front side wall of the second flange (3) at the upper end and the lower end of the connecting pipe (8), the rear ends of the positioning bolts (7) are fixedly connected to the front side wall of the second flange (3).
2. An internal sealing flange for facilitating securement according to claim 1, wherein: the diameter of the connecting pipe (8) is consistent with that of the clamping table (6) on the inner side wall of the through hole (11).
3. An internal sealing flange for facilitating securement according to claim 1, wherein: be provided with eight connecting hole (2) on the lateral wall of first flange (1) and second flange (3) respectively, and eight connecting hole (2) are circular array and run through the lateral wall of first flange (1) and second flange (3) respectively, just connecting hole (2) on first flange (1) lateral wall and the position one-to-one of connecting hole (2) on second flange (3) lateral wall.
4. An internal sealing flange for facilitating securement according to claim 1, wherein: the positions of a plurality of positioning holes (5) on the side wall of the first flange (1) and a plurality of positioning bolts (7) on the side wall of the second flange (3) are in one-to-one correspondence.
5. An internal sealing flange for facilitating securement according to claim 1, wherein: the first flange (1) and the second flange (3) are fixedly installed through a plurality of fixing bolts.
6. An internal sealing flange for facilitating securement according to claim 1, wherein: the depth of the annular groove (9) is two thirds of the thickness of the sealing ring (10).
7. An internal sealing flange for facilitating securement according to claim 1, wherein: the first flange (1) and the welding end (4) and the second flange (3) and the welding end (4) are integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123100448.5U CN216408053U (en) | 2021-12-11 | 2021-12-11 | Internal sealing flange convenient to fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123100448.5U CN216408053U (en) | 2021-12-11 | 2021-12-11 | Internal sealing flange convenient to fix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216408053U true CN216408053U (en) | 2022-04-29 |
Family
ID=81283056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123100448.5U Active CN216408053U (en) | 2021-12-11 | 2021-12-11 | Internal sealing flange convenient to fix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216408053U (en) |
-
2021
- 2021-12-11 CN CN202123100448.5U patent/CN216408053U/en active Active
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