CN214743988U - High-pressure-resistant flange with double-layer sealing rings - Google Patents
High-pressure-resistant flange with double-layer sealing rings Download PDFInfo
- Publication number
- CN214743988U CN214743988U CN202120409400.3U CN202120409400U CN214743988U CN 214743988 U CN214743988 U CN 214743988U CN 202120409400 U CN202120409400 U CN 202120409400U CN 214743988 U CN214743988 U CN 214743988U
- Authority
- CN
- China
- Prior art keywords
- groove
- flange plate
- sealing
- double
- side wall
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 238000003825 pressing Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model provides a high pressure resistant flange with double-deck sealing ring, its characterized in that includes left flange dish, right flange dish, bolt, double-deck sealing mechanism, positioning mechanism, the utility model discloses a double-deck sealing mechanism, when the sealing washer contacts with inside transportation product for a long time to appear cracking after using for a long time, after losing the sealing effect, seal ring still can be for the utility model provides a sealing effect, has prolonged the utility model discloses a life greatly, also avoided the leakage of inside transportation product to a certain extent simultaneously, practiced thrift economic cost; through positioning mechanism, also make the utility model discloses more swift before the installation align the assembly hole to only need a staff can accomplish the installation, at the installation time that to a great extent shortens, improved installation work efficiency and practicality.
Description
Technical Field
The utility model relates to a flange technical field especially relates to a high pressure resistant flange with double-deck sealing ring.
Background
Flange connection means that after gaskets are lined between flanges, a mechanical connection mode of tightening and sealing by a plurality of bolts is commonly used for connecting pipe sections and pipes with larger pipe diameters, such as steel pipes, cast iron pipes, plastic pipes and the like, which need to be frequently disassembled; however, the traditional flange has the defects of serious damage caused by long-term use and incapability of resisting high pressure, so that the scrappage of the flange is extremely large after long-term use, and the production cost is increased;
the high-pressure resistant flange is designed in the prior art, a steel groove is arranged on a flange plate, a compression-resistant foaming material is filled in the flange plate, a compression-resistant supporting lug extends and is welded along the lateral circle center in the circumference of a flange boss, and the compression-resistant foaming material is filled in the steel groove, so that the compression resistance of the flange is improved, the large quantity of scrappings of the flange caused by long-term use is reduced, and the increase of production cost is avoided; the high pressure resistant flange of prior art all passes through bolted connection when the installation, but the pilot hole of ring flange is more troublesome when aliging, still needs another staff to hold it after aliging, and the staff just can install the bolt in the pilot hole one by one, the output of the unnecessary manpower that causes, such installation has caused the waste in time moreover, greatly reduced the installation effectiveness of flange.
Disclosure of Invention
According to the technical problem, the utility model provides a high pressure resistant flange with a double-layer sealing ring, which is characterized by comprising a left flange plate, a right flange plate, bolts, a double-layer sealing mechanism and a positioning mechanism, wherein the right flange plate is arranged on the right side of the left flange plate; the right flange plate is connected with the left flange plate through a bolt; a positioning mechanism is arranged inside the left flange plate; the left side wall of the right flange plate is provided with a double-layer sealing mechanism; the positioning mechanism is arranged on the outer side of the double-layer sealing mechanism;
the double-layer sealing mechanism consists of a matching lug, a sealing ring and a sealing washer, and the left side wall of the right flange plate is provided with the matching lug; the matching lug is of a spherical structure; the outer side wall of the matching lug is provided with a right ring groove; the left side wall of the right flange plate is provided with a right sealing groove; the right sealing groove is arranged on the outer side of the right annular groove; the right side wall of the left flange plate is provided with a matching groove; the matching groove is matched with the matching lug for use; a left annular groove is formed in the side wall of the matching groove; a sealing ring is arranged in the left annular groove; the sealing ring is made of rubber; the right side wall of the left flange plate is provided with a left sealing groove; a sealing gasket is arranged in the left sealing groove; the sealing gasket is made of rubber; the left sealing groove is arranged on the outer side of the left ring groove;
the positioning mechanism consists of a positioning rod, a spring, a positioning pin, a pressing column and a limiting block, and the positioning rod is welded on the left side wall of the right flange plate; the number of the positioning rods is N, N is more than or equal to 2, and a pin mounting groove is formed in the outer side wall of each positioning rod; one end of a spring is welded at the bottom of the pin mounting groove; the other end of the spring is welded with a positioning pin; the left side wall of the left flange plate and the right flange plate is provided with a positioning groove; the positioning groove is matched with the positioning rod for use; a telescopic groove is formed in the left flange plate; the bottom of the telescopic groove is provided with a through hole; the telescopic groove is communicated with the positioning groove through the through hole; a pressing column is arranged inside the telescopic groove; the outer side wall of the pressing column is welded with a limiting block; the top of the telescopic groove is provided with a pressing hole; the top of the pressing column penetrates through the pressing hole and extends to the outer side of the left flange plate, and the limiting block is in contact with the top of the telescopic groove.
The utility model has the advantages that:
the utility model adds the double-layer sealing mechanism, replaces the sealing structure with only one layer of sealing ring in the prior art, greatly improves the sealing performance of the utility model, when the worker installs the right flange on the left flange, the matching lug can be inserted into the matching groove, and the sealing ring can be clamped in the right ring groove, and the sealing pad can be laminated into the right sealing groove to form the left ring groove and the right ring groove extrusion sealing ring, the left sealing groove and the right sealing groove extrusion sealing ring form, and the double-layer sealing effect is achieved; by arranging the mechanism, when the sealing ring is in long-term contact with an internal transportation product and is used for a long time, the sealing ring is cracked and loses the sealing effect, the sealing ring can still provide the sealing effect for the utility model, thereby greatly prolonging the service life of the utility model, simultaneously avoiding the leakage of the internal transportation product to a certain extent and saving the economic cost;
the utility model discloses positioning mechanism has been increased, has reached the utility model discloses can accurately align the pilot hole when the installation to conveniently utilize the purpose of bolt installation, when the locating lever inserts the constant head tank and reachs a locating position, the locating pin can play to the inside of flexible groove under the effect of spring, accomplishes the location, and the pilot hole of left flange dish and right flange dish is in the state of aliging this moment, and convenient for staff construction bolt provides, through such design, makes the utility model discloses more swift before the installation align the pilot hole to only need a staff can accomplish the installation, at the installation time that to a great extent shortens, improved installation work efficiency and practicality.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the left flange of the present invention;
FIG. 3 is a schematic view of the internal structure of the right flange of the present invention;
fig. 4 is an enlarged schematic view of part a of the present invention;
fig. 5 is an enlarged schematic view of part B of the present invention;
fig. 6 is an enlarged schematic view of part C of the present invention.
As shown in the figure: 1-left flange plate, 2-right flange plate, 3-flange boss, 4-pipeline, 5-supporting block, 6-assembly hole, 7-matching lug, 71-matching groove, 72-right ring groove, 73-right sealing groove, 74-left sealing groove, 75-left ring groove, 76-sealing ring, 77-sealing ring, 8-positioning rod, 81-positioning groove, 82-spring, 83-positioning pin, 84-telescopic groove, 85-pressing column, 86-limiting block, 9-steel groove, 91-compression-resistant foaming material and 10-bolt.
Detailed Description
Example 1
The utility model provides a high pressure resistant flange with a double-layer sealing ring, which is characterized by comprising a left flange plate 1, a right flange plate 2, a bolt 10, a double-layer sealing mechanism and a positioning mechanism, wherein the right flange plate 2 is arranged on the right side of the left flange plate 1; the right flange plate 2 is connected with the left flange plate 1 through a bolt 10; a positioning mechanism is arranged inside the left flange plate 1; the left side wall of the right flange plate 2 is provided with a double-layer sealing mechanism; the positioning mechanism is arranged on the outer side of the double-layer sealing mechanism;
the double-layer sealing mechanism consists of a matching lug 7, a sealing ring 76 and a sealing washer 77, and the matching lug 7 is arranged on the left side wall of the right flange plate 2; the matching lug 7 is of a spherical structure; the outer side wall of the matching lug 7 is provided with a right ring groove 72; the left side wall of the right flange plate 2 is provided with a right sealing groove 73; a right seal groove 73 is provided outside the right ring groove 72; the right side wall of the left flange plate 1 is provided with a matching groove 71; the matching groove 71 is matched with the matching lug 7 for use; a left annular groove 75 is formed in the side wall of the matching groove 71; a sealing ring 76 is arranged in the left annular groove 75; the seal ring 76 is made of rubber; the right side wall of the left flange plate 1 is provided with a left sealing groove 74; a sealing gasket is arranged in the left sealing groove 74; the sealing gasket is made of rubber; the left seal groove 74 is disposed outside the left ring groove 75;
the positioning mechanism consists of a positioning rod 8, a spring 82, a positioning pin 83, a pressing column 85 and a limiting block 86, and the positioning rod 8 is welded on the left side wall of the right flange plate 2; the number of the positioning rods 8 is N, N is more than or equal to 2, and pin mounting grooves are formed in the outer side wall of each positioning rod 8; one end of a spring 82 is welded to the bottom of the pin mounting groove; the other end of the spring 82 is welded with a positioning pin 83; the left side wall of the left flange plate 2 and the right flange plate 2 is provided with a positioning groove 81; the positioning groove 81 is matched with the positioning rod 8; a telescopic groove 84 is formed in the left flange plate 1; the bottom of the telescopic slot 84 is provided with a through hole; the telescopic slot 84 is communicated with the positioning slot 81 through the through hole; a pressing column 85 is arranged inside the telescopic groove 84; the outer side wall of the pressing column 85 is welded with a limiting block 86; the top of the telescopic slot 84 is provided with a pressing hole; the top of the pressing post 85 passes through the pressing hole and extends to the outer side of the left flange plate 1, and the stop block 86 is in contact with the top of the telescopic slot 84.
Example 2
The utility model discloses need install steel channel 9 on left ring flange 1 and right ring flange 2 before using, and pack resistance to compression expanded material 91 in the inside of steel channel 9, later can install left ring flange 1 and right ring flange 2 on pipeline 4 respectively, the supporting shoe 5 of flange boss 3 inside is directly supported on the lateral wall of pipeline 4 at this moment, strengthened the high pressure resistance of the utility model, then begin to install left ring flange 1 and right ring flange 2; firstly, a worker needs to install the right flange 2 on the left flange 1, when the right flange is installed, the matching bump 7 can be inserted into the matching groove 71, the sealing ring 76 can be clamped inside the right ring groove 72, meanwhile, the sealing gasket disc can be attached into the right sealing groove 73, the left ring groove 75 and the right ring groove 72 are formed to extrude the sealing ring 76, and the left sealing groove 74 and the right sealing groove 73 extrude the sealing gasket 77, so that the double-layer sealing effect is achieved; locating lever 8 can insert the inside to constant head tank 81 in the installation, when locating lever 8 reachs a locating position, locating pin 83 can play the inside to telescopic slot 84 under spring 82's effect, accomplish the location, left flange plate 1 is in the state of aliging with right flange plate 2's pilot hole 6 this moment, it is convenient for staff's construction bolt 10 to provide, when needs are with left flange plate 1 and right flange plate 2 separately, the staff takes out bolt 10 from pilot hole 6 at first, then only need press the column 85, press the bottom of column 85 can extrude locating pin 83, make it leave telescopic slot 84, reach the purpose that locating lever 8 was taken out from the inside of constant head tank 81 simultaneously, the separation dismantlement of left flange plate 1 and right flange plate 2 has been accomplished promptly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high-pressure-resistant flange with a double-layer sealing ring is characterized by comprising a left flange plate, a right flange plate, bolts, a double-layer sealing mechanism and a positioning mechanism, wherein the right flange plate is arranged on the right side of the left flange plate; the right flange plate is connected with the left flange plate through a bolt; a positioning mechanism is arranged inside the left flange plate; the left side wall of the right flange plate is provided with a double-layer sealing mechanism; the positioning mechanism is arranged on the outer side of the double-layer sealing mechanism;
the double-layer sealing mechanism consists of a matching lug, a sealing ring and a sealing washer, and the left side wall of the right flange plate is provided with the matching lug; the matching lug is of a spherical structure; the outer side wall of the matching lug is provided with a right ring groove; the left side wall of the right flange plate is provided with a right sealing groove; the right sealing groove is arranged on the outer side of the right annular groove; the right side wall of the left flange plate is provided with a matching groove; the matching groove is matched with the matching lug for use; a left annular groove is formed in the side wall of the matching groove; a sealing ring is arranged in the left annular groove; the right side wall of the left flange plate is provided with a left sealing groove; a sealing gasket is arranged in the left sealing groove; the left sealing groove is arranged on the outer side of the left ring groove;
the positioning mechanism consists of a positioning rod, a spring, a positioning pin, a pressing column and a limiting block, and the positioning rod is welded on the left side wall of the right flange plate; the outer side wall of the positioning rod is provided with a pin mounting groove; one end of a spring is welded at the bottom of the pin mounting groove; the other end of the spring is welded with a positioning pin; the left side wall of the left flange plate and the right flange plate is provided with a positioning groove; a telescopic groove is formed in the left flange plate; the bottom of the telescopic groove is provided with a through hole; the telescopic groove is communicated with the positioning groove through the through hole; a pressing column is arranged inside the telescopic groove; the outer side wall of the pressing column is welded with a limiting block; the top of the telescopic groove is provided with a pressing hole; the top of the pressing column penetrates through the pressing hole and extends to the outer side of the left flange plate, and the limiting block is in contact with the top of the telescopic groove.
2. A high pressure resistant flange with a double layer sealing ring according to claim 1, wherein said sealing ring is made of rubber.
3. A high pressure resistant flange with a double layer sealing ring according to claim 1, characterized in that said sealing gasket is made of rubber.
4. The high-pressure resistant flange with the double-layer sealing ring according to claim 1, wherein the number of the positioning rods is N, and N is more than or equal to 2.
5. A high pressure resistant flange with a double layer sealing ring according to claim 1, wherein said positioning groove is used in cooperation with a positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409400.3U CN214743988U (en) | 2021-02-24 | 2021-02-24 | High-pressure-resistant flange with double-layer sealing rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409400.3U CN214743988U (en) | 2021-02-24 | 2021-02-24 | High-pressure-resistant flange with double-layer sealing rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743988U true CN214743988U (en) | 2021-11-16 |
Family
ID=78589670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409400.3U Expired - Fee Related CN214743988U (en) | 2021-02-24 | 2021-02-24 | High-pressure-resistant flange with double-layer sealing rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
-
2021
- 2021-02-24 CN CN202120409400.3U patent/CN214743988U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
| CN116293121B (en) * | 2023-05-22 | 2023-07-21 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204512721U (en) | High-pressure anticorrosion flange | |
| CN214743988U (en) | High-pressure-resistant flange with double-layer sealing rings | |
| CN105240630A (en) | Large boltless fast-mounted flange pair | |
| CN110735609A (en) | Use method of petroleum industrial devices | |
| CN2828510Y (en) | High-pressure non-leakage flange | |
| CN201972901U (en) | Hydraulic end structure of hydraulic diaphragm type reciprocating pump capable of rapidly replacing diaphragm | |
| CN102108961B (en) | Hydraulic end structure of hydraulic diaphragm-type reciprocating pump capable of replacing diaphragm rapidly | |
| CN201763992U (en) | High sealing plunger valve | |
| CN113431901A (en) | Metal corrugated self-sealing composite gasket | |
| CN210715920U (en) | Sealing rubber ring for hydraulic pressing of pipe fittings | |
| CN211374043U (en) | Multifunctional fire valve body test device | |
| CN202599206U (en) | Screwed plug seal structure | |
| CN106015568A (en) | Boltless sealing structure | |
| CN220302809U (en) | Valve PCV ball core | |
| CN219242971U (en) | Conveying pipeline | |
| CN218599469U (en) | Pipe section maintenance sealing device | |
| CN212407880U (en) | Anti-skid wear-resistant welding neck flange | |
| CN219317031U (en) | Urea tank on integrated oil tank | |
| CN214059895U (en) | Oil discharge port valve dismounting device of filling station | |
| CN216789594U (en) | Water stop device for pressured water pipe | |
| CN217583484U (en) | Pneumatic sealing device for feed end of rod mill | |
| CN219953573U (en) | Water pressure buffer device of mining explosion-proof energy-saving water pump | |
| CN220980599U (en) | Spherical ink pipe fitting | |
| CN109737255B (en) | High-pressure sealing structure for rubber lining pipe fitting | |
| CN117739180B (en) | Irrigation pipe connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |