CN114645980A - Stainless steel flange with good sealing performance - Google Patents
Stainless steel flange with good sealing performance Download PDFInfo
- Publication number
- CN114645980A CN114645980A CN202011497026.3A CN202011497026A CN114645980A CN 114645980 A CN114645980 A CN 114645980A CN 202011497026 A CN202011497026 A CN 202011497026A CN 114645980 A CN114645980 A CN 114645980A
- Authority
- CN
- China
- Prior art keywords
- flange
- block
- connecting pipe
- stainless steel
- sealing ring
- Prior art date
- 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.)
- Withdrawn
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Abstract
The invention relates to the technical field of stainless steel flanges, in particular to a stainless steel flange with good sealing performance, which comprises a first connecting pipe, a second fixing bolt and a second flange connecting block, wherein a limiting expansion joint is fixedly arranged inside a liner of the second connecting pipe, a pressure spring is fixedly sleeved outside the limiting expansion joint, a second rubber sealing ring is fixedly arranged at the bottom of the limiting expansion joint, an inner sleeve is fixedly arranged inside the second rubber sealing ring, the inner sleeve is inserted into the second connecting pipe through the arranged inner sleeve, the second rubber sealing ring, the limiting expansion joint and the pressure spring during installation, the inner sleeve is sealed at the inner connecting part of the sleeve and the second connecting pipe through the second rubber sealing ring, and the second rubber sealing ring is more tightly attached to the sleeve through the spring pressure of the limiting expansion joint and the pressure spring, the sealing performance is better when the stainless steel flange is used, and the loss is avoided.
Description
Technical Field
The invention relates to the technical field of stainless steel flanges, in particular to a stainless steel flange with good sealing performance.
Background
A 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.
When the existing stainless steel flange is used, the sealing performance is not good enough, loss is easily caused, and the stainless steel flange is inconvenient to connect, so that the current situation is changed by the stainless steel flange with good sealing performance.
Disclosure of Invention
The invention aims to provide a stainless steel flange with good sealing performance so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a stainless steel flange with good sealing performance comprises a first connecting pipe, a second fixing bolt and a second flange connecting block, wherein a first flange connecting block is fixedly mounted on one side of the first connecting pipe, the first flange connecting block is fixedly mounted with the first fixing bolt, a first fixing block is fixedly mounted on the other side of the first connecting pipe, a first rubber sealing ring is fixedly mounted on one side of the first fixing block, a second fixing block is fixedly mounted on one side of the first rubber sealing ring, a fixing block connecting bolt is fixedly mounted between the first fixing block and the second fixing block, a second connecting pipe is fixedly mounted on one side of the second fixing block, a second flange connecting block is fixedly mounted on one side of the second connecting pipe, a second fixing bolt is fixedly mounted on the second flange connecting block, and a second connecting pipe inner container is fixedly mounted in the second connecting pipe, the inner container of the second connecting pipe is fixedly provided with a limiting expansion joint, a pressure spring is fixedly sleeved on the outer side of the limiting expansion joint, a second rubber sealing ring is fixedly arranged at the bottom of the limiting expansion joint, and an inner sleeve is fixedly arranged inside the second rubber sealing ring.
Preferably, one side of the inner sleeve is fixedly connected with the first fixing block.
Preferably, the second rubber sealing ring is circularly sleeved outside the inner sleeve.
Preferably, the second fixing block is fixedly connected with the first fixing block through a fixing block connecting bolt.
Preferably, a connecting through hole is formed in the first flange connecting block, and the first fixing bolt penetrates through the connecting through hole formed in the first flange connecting block.
Preferably, the second flange connecting block is also provided with a connecting through hole, and the second fixing bolt penetrates through the connecting through hole formed in the second flange connecting block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the first fixing block, the first rubber sealing ring and the second fixing block, the first fixing block is connected with one side of the first rubber sealing ring, the second fixing block is connected with the other side of the first rubber sealing ring, the first fixing block, the first rubber sealing ring and the second fixing block are fixedly connected through the fixing block connecting bolt, the sealing property of the joint between the first fixing block and the second fixing block is ensured through the first rubber sealing ring, the sealing property is improved, and the connection is convenient.
2. According to the stainless steel flange, the inner sleeve, the second rubber sealing ring, the limiting expansion joint and the pressure spring are arranged, when the stainless steel flange is installed, the inner sleeve is inserted into the second connecting pipe, the connecting position of the sleeve and the second connecting pipe is sealed through the second rubber sealing ring, the second rubber sealing ring is tightly attached to the sleeve through the limiting expansion joint and the spring pressure of the pressure spring, the sealing performance of the stainless steel flange is better when the stainless steel flange is used, and loss is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is an enlarged view of the area A according to the present invention.
In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a second fixing bolt; 4. a second flange connecting block; 5. a second fixed block; 6. a first rubber seal ring; 7. a first fixed block; 8. the fixed block is connected with a bolt; 9. a first fixing bolt; 10. a first flange connection block; 11. an inner sleeve; 12. the second connecting pipe liner; 13. a limiting expansion joint; 14. a second rubber seal ring; 15. a pressure spring.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a stainless steel flange with good sealing performance comprises a first connecting pipe 1, a second connecting pipe 2, a second fixing bolt 3 and a second flange connecting block 4, wherein a first flange connecting block 10 is fixedly arranged on one side of the first connecting pipe 1, a connecting through hole is formed in the first flange connecting block 10, a first fixing bolt 9 penetrates through the connecting through hole formed in the first flange connecting block 10, a first fixing bolt 9 is fixedly arranged on the first flange connecting block 10, a first fixing block 7 is fixedly arranged on the other side of the first connecting pipe 1, a first rubber sealing ring 6 is fixedly arranged on one side of the first fixing block 7, a second fixing block 5 is fixedly arranged on one side of the first rubber sealing ring 6, the second fixing block 5 is fixedly connected with the first fixing block 7 through a fixing block connecting bolt 8, and a fixing block connecting bolt 8 is fixedly arranged between the first fixing block 7 and the second fixing block 5, a second connecting pipe 2 is fixedly arranged on one side of a second fixing block 5, a second flange connecting block 4 is fixedly arranged on one side of the second connecting pipe 2, a connecting through hole is also formed in the second flange connecting block 4, a second fixing bolt 3 penetrates through the connecting through hole formed in the second flange connecting block 4, a second fixing bolt 3 is fixedly arranged on the second flange connecting block 4, a second connecting pipe liner 12 is fixedly arranged in the second connecting pipe 2, a limiting expansion joint 13 is fixedly arranged in the second connecting pipe liner 12, a pressure spring 15 is fixedly sleeved on the outer side of the limiting expansion joint 13, a second rubber sealing ring 14 is fixedly arranged at the bottom of the limiting expansion joint 13, the second rubber sealing ring 14 is circularly sleeved on the outer side of the inner sleeve 11, an inner sleeve 11 is fixedly arranged in the second rubber sealing ring 14, and one side of the inner sleeve 11 is fixedly connected with the first fixing block 7, has certain popularization value.
The working process of the invention is as follows: when in use and installation, the inner sleeve 11 is inserted into the second connecting pipe 2, the joint between the sleeve 11 and the second connecting pipe 2 is sealed by the second rubber sealing ring 14, the second rubber sealing ring 14 is more tightly attached to the sleeve 11 through the spring pressure of the limiting expansion joint 13 and the pressure spring 15, so that the sealing performance of the stainless steel flange is better when the stainless steel flange is used, the loss is avoided, then the first fixed block 7 is connected with one side of the first rubber sealing ring 6, the second fixed block 5 is connected with the other side of the first rubber sealing ring 6, the first fixing block 7, the first rubber sealing ring 6 and the second fixing block 5 are fixedly connected through a fixing block connecting bolt 8, the sealing performance of the joint between the first fixing block 7 and the second fixing block 5 is guaranteed through the first rubber sealing ring 6, the sealing performance is improved, connection is convenient, and certain popularization value is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a stainless steel flange that sealing performance is good, includes first connecting pipe (1), second connecting pipe (2), second fixing bolt (3) and second flange joint piece (4), its characterized in that: a first flange connecting block (10) is fixedly mounted on one side of the first connecting pipe (1), a first fixing bolt (9) is fixedly mounted on the first flange connecting block (10), a first fixing block (7) is fixedly mounted on the other side of the first connecting pipe (1), a first rubber sealing ring (6) is fixedly mounted on one side of the first fixing block (7), a second fixing block (5) is fixedly mounted on one side of the first rubber sealing ring (6), a fixing block connecting bolt (8) is fixedly mounted between the first fixing block (7) and the second fixing block (5), a second connecting pipe (2) is fixedly mounted on one side of the second fixing block (5), a second flange connecting block (4) is fixedly mounted on one side of the second connecting pipe (2), and a second fixing bolt (3) is fixedly mounted on the second flange connecting block (4), the inner fixed mounting of the second connecting pipe (2) is provided with a second connecting pipe inner container (12), the inner fixed mounting of the second connecting pipe inner container (12) is provided with a limiting expansion joint (13), a pressure spring (15) is fixedly arranged on the outer side of the limiting expansion joint (13), a second rubber sealing ring (14) is fixedly arranged at the bottom of the limiting expansion joint (13), and an inner sleeve (11) is fixedly arranged inside the second rubber sealing ring (14).
2. A stainless steel flange with good sealing performance according to claim 1, characterized in that: one side of the inner sleeve (11) is fixedly connected with the first fixing block (7).
3. A stainless steel flange with good sealing performance according to claim 1, characterized in that: the second rubber sealing ring (14) is circularly sleeved on the outer side of the inner sleeve (11).
4. A stainless steel flange with good sealing performance according to claim 1, characterized in that: the second fixing block (5) is fixedly connected with the first fixing block (7) through a fixing block connecting bolt (8).
5. A stainless steel flange with good sealing performance according to claim 1, characterized in that: and the first flange connecting block (10) is provided with a connecting through hole, and the first fixing bolt (9) penetrates through the connecting through hole formed in the first flange connecting block (10).
6. A stainless steel flange with good sealing performance according to claim 1, characterized in that: connecting through holes are also formed in the second flange connecting block (4), and the second fixing bolt (3) penetrates through the connecting through holes formed in the second flange connecting block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497026.3A CN114645980A (en) | 2020-12-17 | 2020-12-17 | Stainless steel flange with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497026.3A CN114645980A (en) | 2020-12-17 | 2020-12-17 | Stainless steel flange with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114645980A true CN114645980A (en) | 2022-06-21 |
Family
ID=81991064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011497026.3A Withdrawn CN114645980A (en) | 2020-12-17 | 2020-12-17 | Stainless steel flange with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114645980A (en) |
-
2020
- 2020-12-17 CN CN202011497026.3A patent/CN114645980A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220621 |