CN114484101A - Pressure seal interface process equipment capable of being quickly disassembled and assembled - Google Patents
Pressure seal interface process equipment capable of being quickly disassembled and assembled Download PDFInfo
- Publication number
- CN114484101A CN114484101A CN202111612292.0A CN202111612292A CN114484101A CN 114484101 A CN114484101 A CN 114484101A CN 202111612292 A CN202111612292 A CN 202111612292A CN 114484101 A CN114484101 A CN 114484101A
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- Prior art keywords
- sealing
- section
- adapter
- core body
- fastening cap
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Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 229920005560 fluorosilicone rubber Polymers 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007779 soft material Substances 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to the pressure testing technology of a pressure sensor, and relates to pressure seal interface process equipment capable of being quickly disassembled and assembled. The sealing method of the sealing core body (1), the manual fastening cap (2), the fixing ring (3), the fixing sunk screw (4), the adapter (5) and the fluorosilicone rubber O-shaped ring (6) by using the soft rubber material as a contact medium between the pressurizing clamp and the equipment joint can effectively avoid clamp loss after repeated assembly and disassembly. Meanwhile, the thread fastening mode during soft material sealing is manual dismounting, wrench fastening is not needed, product loading and unloading efficiency is improved, wrench using space does not need to be reserved at the joint part of the equipment, and space utilization rate is improved.
Description
Technical Field
The invention belongs to the pressure testing technology of a pressure sensor, and relates to pressure seal interface process equipment capable of being quickly disassembled and assembled.
Background
Original linker connected mode adopts 74 conical surfaces hard contact rigid seal, and the principle makes the metal covering extrusion deformation fill the gap sealed hard extrusion, need fasten hard with the spanner during the use, and fastening process can lead to sealing face to warp certainly, can cause sealed face to warp after the repetitious usage seriously or surperficial toughness increases and lead to sealed effect to reduce, and the frock loss is serious. And when the communicating vessel is used for a complex product, the gap between the products is small, and the difficulty in using the wrench is increased, and the assembling time is also increased.
The method is characterized in that flexible seals such as O-shaped rings or sealing gaskets are firstly determined to be used for realizing the quick assembly and disassembly of a product during test, but the test condition of a sensor product is complex, the maximum common pressure resistance reaches 35Mpa, and the test temperature is as low as-55 ℃ and as high as 150 ℃. And the pressure resistance test of four temperature cycles is needed at most in the production process of a single batch of products, one cycle, namely the lowest temperature heat preservation and pressure preservation test is successful, the temperature is directly raised to the highest temperature heat preservation and pressure preservation, and then the normal temperature is recovered, and if the O-shaped ring or the sealing gasket needs to be replaced in the four temperature cycles, the use efficiency is greatly reduced. Therefore, the sealing by using the O-shaped ring or the sealing gasket is required to meet the requirements of respectively resisting the pressure of 35MPa at the lowest temperature of-55 ℃ and the highest temperature of 150 ℃ for four continuous cycles.
In the subsequent test process, the end face of the sealing gasket is sealed and cracked at the temperature of 150 ℃ and the pressure of 12MPa in the first cycle; the single O-shaped ring 70-hardness silicone rubber O-shaped ring is subjected to air leakage at the temperature of minus 55 ℃ and 11Mpa in the first circulation and is cracked at the temperature of 150 ℃ and 20 Mpa; the single 70-hardness fluorosilicone rubber O-shaped ring is broken at 150 ℃ and 24Mpa after air leakage at the temperature of-55 ℃ and 21Mpa in the first circulation; sealing with double O-rings after improvement, wherein the double 70-hardness silicone rubber O-ring leaks air at the temperature of minus 55 ℃ and 18MPa in the first cycle and is broken at the temperature of 150 ℃ and 35 MPa; the double 70-hardness fluorosilicone rubber O-shaped ring is subjected to air leakage at the temperature of minus 55 ℃ and 32Mpa in the second circulation and is cracked at the temperature of 150 ℃ and 30 Mpa; the double 80-hardness silicone rubber O-shaped ring leaks gas at the temperature of minus 55 ℃ and 3Mpa in the third circulation, and leaks gas at the temperature of 150 ℃ and 7 Mpa; the double 80-hardness fluorosilicone rubber O-shaped ring is successfully maintained at the temperature of 150 ℃ in the fifth cycle of-55 ℃.
Disclosure of Invention
The purpose of the invention is: the pressure sealing interface process equipment capable of being quickly disassembled and assembled is provided and used for quickly disassembling and assembling the pressure testing of the sensor.
The technical scheme of the invention is as follows: a pressure seal interface process equipment capable of being quickly disassembled and assembled comprises a seal core body (1), a manual fastening cap (2), a fixing ring (3), a fixing sunk screw (4), an adapter (5) and a fluorosilicone rubber O-shaped ring (6). The adapter is divided into a switching section, a fastening section and a sealing section from top to bottom according to functions, wherein the switching section can be designed into a sealing structure according to different product interfaces, the fastening section is a thread for connecting a manual fastening cap (2), and the sealing section is a structure which is provided with two sealing grooves and is used for installing a fluorosilicone rubber O-shaped ring (6) and then is sealed with a sealing section of a sealing core body (1). The lower communicating section of the sealing core body (1) is used for being connected into the inside medium channel formed by the pipeline, and the sealing section of the upper coarse hole part and the sealing section of the adapter (5) form sealing. Including the outside annular boss parcel of sealing core body top is passed through threaded connection between manual fastening cap (2) and the solid fixed ring (3), manual fastening cap (2) side screw is fixed solid fixed ring (3) with fixed countersunk screw (4) cooperation and prevents manual fastening cap (2) and solid fixed ring (3) screw thread rotation.
The O-shaped ring is made of fluorosilicone rubber with the diameter of phi 5.6x1.8 mm.
The clearance between manual fastening cap (2) and solid fixed ring (3) is greater than boss thickness, guarantees that the sealed core can be at manual fastening cap and the interior free rotation of solid fixed ring.
The sealing core body (1), the manual fastening cap (2) and the fixing ring (3) are made of stainless steel.
The sealing core body (1), the manual fastening cap (2) and the fixing ring (3) are passivated.
The adapter (5) is made of brass.
The roughness of the inner wall of the sealing section of the coarse hole part of the sealing core body (1) is Ra0.8.
The roughness of the inner wall of the sealing groove of the adapter (5) is Ra0.8.
And the outer cylindrical surface of the manual fastening cap (2) is provided with a reticulate pattern knurl.
The invention has the advantages that: the sealing method using the soft rubber material as the contact medium between the pressurizing clamp and the equipment joint can effectively avoid the clamp loss after repeated disassembly and assembly. Meanwhile, the thread fastening mode during soft material sealing is manual dismounting, wrench fastening is not needed, product loading and unloading efficiency is improved, wrench using space does not need to be reserved at the joint part of the equipment, and space utilization rate is improved. The O-shaped ring is in a specification of phi 5.6x1.8mm, and can meet the requirements of interfaces with smaller structures and spaces. Can meet the requirements of any pressure test environment within the range of lowest temperature of-55 ℃, highest temperature of 150 ℃, pressure resistance of 35Mpa and lowest circulation of four times.
Drawings
Figure 1a is a schematic three-dimensional combination of an adapter and a movable joint;
figure 1b is a three-dimensional combination cross-sectional view of an adapter and a movable joint;
figure 2a is a schematic three-dimensional assembly of an adapter;
figure 2b is a schematic three-dimensional assembly of an adapter;
FIG. 3a is a schematic three-dimensional assembly of a movable joint;
FIG. 3b is a schematic three-dimensional assembly of the articulating joint;
fig. 4 is a schematic diagram of an application.
Detailed Description
The present invention will be further described with reference to the following examples. The following description is only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
A pressure seal interface process equipment capable of being quickly disassembled and assembled comprises a seal core body (1), a manual fastening cap (2), a fixing ring (3), a fixing countersunk screw (4), an adapter (5) and an 80-hardness phi 5.6x1.8 fluorosilicone rubber O-shaped ring (6). The adapter is divided into an adapter section, a fastening section and a sealing section from top to bottom according to functions, wherein the adapter section can be designed into a sealing structure according to different product interfaces, the fastening section is a thread for connecting a manual fastening cap (2), and the sealing section is a structure which is provided with two sealing grooves and is used for installing a 80-hardness phi 5.6x1.8 fluorosilicone rubber O-shaped ring (6) and then is sealed with a sealing section of a sealing core body (1). The lower communicating section of the sealing core body (1) is used for being connected into the inside medium channel formed by the pipeline, and the sealing section of the upper coarse hole part and the sealing section of the adapter (5) form sealing. Including the outside annular boss parcel of sealing core body top is passed through threaded connection between manual fastening cap (2) and the solid fixed ring (3), manual fastening cap (2) side screw is fixed solid fixed ring (3) with fixed countersunk screw (4) cooperation and prevents manual fastening cap (2) and solid fixed ring (3) screw thread rotation.
The O-shaped ring is made of fluorosilicone rubber with the diameter of phi 5.6x1.8mm, and the material can meet the requirements on high and low temperature resistance, pressure resistance and cycle frequency.
Manual fastening cap (2) and the solid fixed ring (3) between the clearance be greater than boss thickness, guarantee that sealed core can be at manual fastening cap and the interior free rotation of fixed ring, can rotate manual fastening cap (2) fastening screw when above-mentioned combination and adapter (5) assembly and improve assembly efficiency.
Sealing core body (1), manual fastening cap (2), solid fixed ring (3) are the stainless steel, because do not contact with the product, need not worry fish tail product of colliding with, select the stainless steel material, and the material is durable and can promote the compressive property.
The sealing core body (1), the manual fastening cap (2) and the fixing ring (3) are passivated, so that corrosion can be delayed, and the durability is improved.
Adapter (5) material is brass, because adapter (5) need be with the product interface cooperation, product interface part is the stainless steel generally, and adapter (5) use brass can not harm the product.
The roughness of the inner wall of the sealing section of the coarse hole part of the sealing core body (1) is Ra0.8, so that the sealing effect can be ensured.
The roughness of the inner wall of the sealing groove of the adapter (5) is Ra0.8, so that the sealing effect can be ensured.
The outer face of cylinder of manual fastening cap (2) is equipped with the reticulation annular knurl, makes things convenient for manual assembly adapter (5), raises the efficiency.
The present invention is described in further detail below. The invention relates to a pressure seal interface process device capable of being quickly disassembled and assembled. The sealing device is composed of a sealing core body (1), a manual fastening cap (2), a fixing ring (3), a fixing countersunk head screw (4), an adapter (5) and an 80-hardness phi 5.6x1.8 fluorosilicone rubber O-shaped ring (6). Can meet the requirements of any pressure test environment within the range of lowest temperature of-55 ℃, highest temperature of 150 ℃, pressure resistance of 35Mpa and lowest circulation of four times. For example, when the pressure sensor is used for testing, the process equipment can replace a 74-degree cone sealing interface in a typical communication pipeline, the process equipment is used, and is welded on a communication pipeline tool in a sealing welding mode, and the material of the communication pipeline is required to be consistent with that of the stainless steel material of the process equipment. The novel communicating pipe frame can be used for simultaneously completing high-low temperature pressure-resistant tests of dozens of products, and greatly improving the test efficiency.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A pressure seal interface process device capable of being quickly disassembled and assembled is characterized by comprising a seal core body (1), a manual fastening cap (2), a fixing ring (3), a fixing countersunk head screw (4), an adapter (5) and a fluorosilicone rubber O-shaped ring (6); the adapter is divided into an adapter section, a fastening section and a sealing section from top to bottom according to functions, wherein the adapter section can be provided with a sealing structure according to different product interfaces, the fastening section is a thread connected with a manual fastening cap (2), and the sealing section is a structure provided with two sealing grooves for mounting a fluorosilicone rubber O-shaped ring (6) and then sealing with the sealing section of the sealing core body (1); the lower communicating section of the sealing core body (1) is used for being connected into the pipeline to form a medium channel, and the sealing section of the upper coarse hole part and the sealing section of the adapter (5) form sealing; including the outside annular boss parcel of sealing core body top is passed through threaded connection between manual fastening cap (2) and the solid fixed ring (3), manual fastening cap (2) side screw is fixed solid fixed ring (3) with fixed countersunk screw (4) cooperation and prevents manual fastening cap (2) and solid fixed ring (3) screw thread rotation.
2. The pressure seal interface process equipment capable of being quickly disassembled and assembled as claimed in claim 1, wherein the O-shaped ring is fluorinated silicone rubber with phi 5.6x1.8 mm.
3. The quick-detachable pressure seal interface process equipment is characterized in that the gap between the manual fastening cap (2) and the fixing ring (3) is larger than the thickness of the boss, so that the seal core body can freely rotate in the manual fastening cap and the fixing ring.
4. The quick-detachable pressure sealing interface process equipment is characterized in that the sealing core body (1), the manual fastening cap (2) and the fixing ring (3) are made of stainless steel.
5. The quick-detachable pressure seal interface process equipment is characterized in that the seal core body (1), the manual fastening cap (2) and the fixing ring (3) are passivated.
6. The quick-release pressure-sealed interface tooling as claimed in claim 1, wherein the adapter (5) is made of brass.
7. The quick-release pressure seal interface process equipment according to claim 1, wherein the roughness of the inner wall of the seal section of the coarse hole part of the seal core body (1) is Ra0.8.
8. The quick-release pressure seal interface process equipment according to claim 1, wherein the roughness of the inner wall of the seal groove of the adapter (5) is Ra0.8.
9. The quick-release pressure-sealed interface tooling of claim 1, wherein the outer cylindrical surface of the manual fastening cap (2) is provided with knurled knurls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612292.0A CN114484101A (en) | 2021-12-27 | 2021-12-27 | Pressure seal interface process equipment capable of being quickly disassembled and assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612292.0A CN114484101A (en) | 2021-12-27 | 2021-12-27 | Pressure seal interface process equipment capable of being quickly disassembled and assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114484101A true CN114484101A (en) | 2022-05-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612292.0A Pending CN114484101A (en) | 2021-12-27 | 2021-12-27 | Pressure seal interface process equipment capable of being quickly disassembled and assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114484101A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2699644A1 (en) * | 1992-12-23 | 1994-06-24 | Snecma | Elastic ring with stress indicator for fitting. |
| US6375232B1 (en) * | 2000-04-27 | 2002-04-23 | The Boeing Company | Bi-metallic union fitting for use in threaded ports |
| US20020175519A1 (en) * | 2001-05-23 | 2002-11-28 | Mack John J. | Anti-rotational submersible well pump assembly |
| US20050073148A1 (en) * | 2003-10-03 | 2005-04-07 | Inoue Sudare Co., Ltd | Pipe joint |
| US20050242582A1 (en) * | 2004-04-22 | 2005-11-03 | Williams Peter C | Fitting for tube and pipe |
| US20100066074A1 (en) * | 2007-05-25 | 2010-03-18 | Crompton David B | Piping joint assembly system and method |
| CN106134415B (en) * | 2012-06-18 | 2014-10-22 | 上海空间推进研究所 | A kind of plunger type pipeline double containment joint for 35MPa pressure duct |
| CN205447026U (en) * | 2016-03-24 | 2016-08-10 | 四川嘉科能源装备工程有限公司 | High pressure screwed joint |
| CN209800905U (en) * | 2019-04-27 | 2019-12-17 | 梁春峰 | Novel steel-plastic adapter for gas |
| DE102019200837A1 (en) * | 2019-01-24 | 2020-07-30 | Audi Ag | Method for producing a connection arrangement, corresponding connection arrangement and fluid line |
| CN112730075A (en) * | 2020-12-17 | 2021-04-30 | 中国航空综合技术研究所 | Pressure testing device and method for aviation pipeline connecting piece system |
| CN214251842U (en) * | 2020-12-10 | 2021-09-21 | 上海市塑料研究所有限公司 | Pressure test tool for polytetrafluoroethylene hose assembly |
-
2021
- 2021-12-27 CN CN202111612292.0A patent/CN114484101A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2699644A1 (en) * | 1992-12-23 | 1994-06-24 | Snecma | Elastic ring with stress indicator for fitting. |
| US6375232B1 (en) * | 2000-04-27 | 2002-04-23 | The Boeing Company | Bi-metallic union fitting for use in threaded ports |
| US20020175519A1 (en) * | 2001-05-23 | 2002-11-28 | Mack John J. | Anti-rotational submersible well pump assembly |
| US20050073148A1 (en) * | 2003-10-03 | 2005-04-07 | Inoue Sudare Co., Ltd | Pipe joint |
| US20050242582A1 (en) * | 2004-04-22 | 2005-11-03 | Williams Peter C | Fitting for tube and pipe |
| US20100066074A1 (en) * | 2007-05-25 | 2010-03-18 | Crompton David B | Piping joint assembly system and method |
| CN106134415B (en) * | 2012-06-18 | 2014-10-22 | 上海空间推进研究所 | A kind of plunger type pipeline double containment joint for 35MPa pressure duct |
| CN205447026U (en) * | 2016-03-24 | 2016-08-10 | 四川嘉科能源装备工程有限公司 | High pressure screwed joint |
| DE102019200837A1 (en) * | 2019-01-24 | 2020-07-30 | Audi Ag | Method for producing a connection arrangement, corresponding connection arrangement and fluid line |
| CN209800905U (en) * | 2019-04-27 | 2019-12-17 | 梁春峰 | Novel steel-plastic adapter for gas |
| CN214251842U (en) * | 2020-12-10 | 2021-09-21 | 上海市塑料研究所有限公司 | Pressure test tool for polytetrafluoroethylene hose assembly |
| CN112730075A (en) * | 2020-12-17 | 2021-04-30 | 中国航空综合技术研究所 | Pressure testing device and method for aviation pipeline connecting piece system |
Non-Patent Citations (2)
| Title |
|---|
| "化工辞典", 化工辞典, pages 341 - 342 * |
| 唐金松: "现代材料科学与工程辞典", 30 June 2002, 上海科学技术出版社, pages: 551 * |
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