CN221683918U - Air-tight screwed joint - Google Patents
Air-tight screwed joint Download PDFInfo
- Publication number
- CN221683918U CN221683918U CN202323414636.4U CN202323414636U CN221683918U CN 221683918 U CN221683918 U CN 221683918U CN 202323414636 U CN202323414636 U CN 202323414636U CN 221683918 U CN221683918 U CN 221683918U
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- sealing
- cavity
- joint
- airtight
- sealing cavity
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- 238000007789 sealing Methods 0.000 claims abstract description 102
- 210000001503 joint Anatomy 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses an airtight threaded joint which comprises a joint, an a sealing cavity, a b sealing cavity, a sealing assembly and an air supply channel, wherein the a sealing cavity is formed in one end of the joint, the b sealing cavity is formed in one end of the joint, which is far away from the a sealing cavity, and the sealing assemblies are respectively inserted into the a sealing cavity and the b sealing cavity; the sealing assembly comprises a pressing sleeve, an annular sealing gasket groove, an annular sealing gasket, a sealing ring groove and a sealing ring. The screw joint mechanism with high connection tightness is provided for the medium conveying pipeline, the air supply in the air supply channel is realized through the airtight interface a and the airtight interface b, so that the air pressure in the air supply channel is increased to push the sealing component, the sealing component is pressed to realize further push blocking of the pipeline in butt joint with the screw joint, the joint can be kept sealed for a long time under the push pressure of the air pressure, and the tightness between two groups of pipelines connected through the screw joint is better.
Description
Technical Field
The utility model relates to the technical field of threaded connectors, in particular to an airtight threaded connector.
Background
Threaded joints are widely used for connecting various pipes and devices, such as chemical plants, steel plants, electric power plants, etc., which require threaded joints for connection communication, such as pipes, valves, oil pumps, reaction kettles, etc.
The existing threaded joint generally depends on friction force between materials, and as the threaded joint is a friction connection mode, the contact surface is worn and loosened due to the fact that the threaded joint is subjected to external force for a long time, so that the threaded joint is loosened, and a set of mechanism capable of maintaining sealing through air pressure pressurization is lacked.
The existing threaded joint has the following disadvantages: the prior screw joint sealing of the medium conveying pipeline is completely dependent on the friction connection of the screw thread port and the sealing gasket, and the contact surface of the screw thread port can be worn and loosened under the vibration or load action in long-term use, so that the problem of reduced tightness is caused. To this end we propose a gas tight threaded joint.
Disclosure of utility model
The utility model mainly aims to provide an airtight threaded joint which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The airtight threaded joint comprises a joint, an a sealing cavity, a b sealing cavity, a sealing assembly and an air supply channel, wherein the a sealing cavity is formed in one end of the joint, the b sealing cavity is formed in one end of the joint, which is far away from the a sealing cavity, and the sealing assemblies are respectively inserted into the a sealing cavity and the b sealing cavity;
The sealing assembly comprises a pressing sleeve, an annular sealing gasket groove, an annular sealing gasket, a sealing ring groove and a sealing ring.
Further, the pressing sleeve is provided with two groups, the periphery of one end of the pressing sleeve is provided with a sealing ring groove, the sealing ring is sleeved on the sealing ring groove, and one ends of the pressing sleeve are respectively inserted into the corresponding a sealing cavity and the corresponding b sealing cavity.
Further, annular sealing gasket grooves are formed in the end faces of the other ends of the two groups of pressing sleeves, one side of each annular sealing gasket is embedded in each annular sealing gasket groove, and the thickness of each annular sealing gasket is larger than the depth of each annular sealing gasket groove.
Further, an airtight interface a and an airtight interface b are respectively arranged on two sides of the top of the connector, and air supply channels are respectively formed between the airtight interface a and the airtight cavity a and between the airtight interface b and the airtight cavity b.
Further, threaded interfaces are respectively arranged at two ends of the joint.
Compared with the prior art, the utility model has the following beneficial effects: the medium conveying pipeline is provided with a set of threaded joint mechanism with high connection tightness through the joint, the a sealing cavity, the b sealing cavity, the sealing assembly and the air supply channel, the threaded joints at the two ends of the joint are in threaded connection with an external pipeline, the air supply channel is internally supplied with air through the a airtight joint and the b airtight joint, the air pressure in the air supply channel is increased to push the sealing assembly, the sealing assembly is pressed to realize further push blocking of the pipeline in threaded butt joint with the joint, the joint can be kept sealed for a long time under the push and increase of the air pressure, the tightness between two groups of pipelines in threaded connection through the joint is better, the problem that the sealing performance is reduced due to the fact that the contact surface of the threaded joint is worn and loosened under the vibration or load action in long-term use due to the fact that the threaded joint is connected with the threaded joint is completely by the threaded joint sealing of the threaded joint.
Drawings
FIG. 1 is a schematic view of the overall structure of a hermetically sealed threaded joint according to the present utility model.
FIG. 2 is a schematic cross-sectional view of a hermetically sealed threaded joint according to the present utility model.
FIG. 3 is a schematic cross-sectional view of a hermetically sealed threaded joint according to the present utility model.
FIG. 4 is a schematic view of a seal assembly of a hermetically sealed threaded joint according to the present utility model.
FIG. 5 is a schematic view of a seal assembly of a hermetically sealed threaded joint according to the present utility model.
In the figure: 1. a joint; 2. a, sealing the cavity; 3. b sealing the cavity; 4. a seal assembly; 401. a seal assembly; 402. an annular gasket groove; 403. an annular sealing gasket; 404. a seal ring groove; 405. a seal ring; 5. a airtight interface; 6. b an airtight interface; 7. an air supply passage; 8. a threaded interface.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
1-5, The airtight threaded joint comprises a joint 1, an a sealing cavity 2, a b sealing cavity 3, a sealing assembly 4 and an air supply channel 7, wherein the a sealing cavity 2 is formed at one end in the joint 1, the b sealing cavity 3 is formed at one end, far away from the a sealing cavity 2, in the joint 1, and the sealing assemblies 4 are respectively inserted into the a sealing cavity 2 and the b sealing cavity 3; the seal assembly 4 comprises a press sleeve 401, an annular sealing gasket groove 402, an annular sealing gasket 403, a sealing ring groove 404 and a sealing ring 405.
The pressing sleeve 401 is provided with two groups, the periphery of one end of the pressing sleeve 401 is provided with a sealing ring groove 404, the sealing ring 405 is sleeved on the sealing ring groove 404, and one ends of the pressing sleeve 401 are respectively inserted into the corresponding a sealing cavity 2 and the corresponding b sealing cavity 3.
The end surfaces of the other ends of the two sets of pressing sleeves 401 are provided with annular sealing gasket grooves 402, one sides of the annular sealing gaskets 403 are embedded in the annular sealing gasket grooves 402, and the thickness of the annular sealing gaskets 403 is larger than the depth of the annular sealing gasket grooves 402.
The two sides of the top of the connector 1 are respectively provided with an a airtight interface 5 and a b airtight interface 6, and a gas supply channel 7 is arranged between the a airtight interface 5 and the a airtight cavity 2 and between the b airtight interface 6 and the b airtight cavity 3.
Wherein, screw interfaces 8 are respectively arranged at two ends of the joint 1.
It should be noted that, the present utility model is an airtight threaded joint, when in operation, a person connects two groups of pipelines to be connected with threaded joints 8 at two ends of the butt joint 1 by threads respectively, and a group of air supply pump sets are provided for the butt joint 1, the exhaust end of the air supply pump is connected with an airtight interface a 5 and an airtight interface b 6 respectively through a tee, so that air pressure enters corresponding air supply channels 7 from the airtight interface a 5 and the airtight interface b 6 respectively, and as the air pressure in the air supply channels 7 increases, the air pressure pushes the tail of the pressure sleeve 401, so that the annular sealing gasket 403 end of the pressure sleeve 401 contacts and compresses the pipeline joints in the access threaded joints 8, and the medium conveying pipelines can be connected with each other in a higher sealing performance by means of the airtight threaded joint of the present utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected;
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. The airtight threaded connector comprises a connector (1), an a sealing cavity (2) and a b sealing cavity (3) and is characterized by further comprising a sealing assembly (4) and a gas supply channel (7), wherein the a sealing cavity (2) is formed at one end in the connector (1), the b sealing cavity (3) is formed at one end, far away from the a sealing cavity (2), in the connector (1, and the sealing assembly (4) is respectively inserted into the a sealing cavity (2) and the b sealing cavity (3);
The sealing assembly (4) comprises a pressing sleeve (401), an annular sealing gasket groove (402), an annular sealing gasket (403), a sealing ring groove (404) and a sealing ring (405).
2. A gas tight threaded joint according to claim 1, characterized in that: the pressure sleeve (401) is provided with two groups, two groups of pressure sleeve (401) are provided with sealing ring grooves (404) on the periphery of one end, sealing rings (405) are sleeved on the sealing ring grooves (404), and one ends of the two groups of pressure sleeve (401) are respectively inserted into corresponding a sealing cavity (2) and b sealing cavity (3).
3. A gas tight threaded joint according to claim 1, characterized in that: the end faces of the other ends of the two groups of pressing sleeves (401) are provided with annular sealing gasket grooves (402), one sides of the annular sealing gaskets (403) are embedded in the annular sealing gasket grooves (402), and the thickness of the annular sealing gaskets (403) is larger than the depth of the annular sealing gasket grooves (402).
4. A gas tight threaded joint according to claim 1, characterized in that: the air supply channel (7) is formed between the airtight interface (5) and the airtight cavity (2) and between the airtight interface (6) and the airtight cavity (3).
5. A gas tight threaded joint according to claim 1, characterized in that: threaded interfaces (8) are respectively arranged at two ends of the joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323414636.4U CN221683918U (en) | 2023-12-14 | 2023-12-14 | Air-tight screwed joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323414636.4U CN221683918U (en) | 2023-12-14 | 2023-12-14 | Air-tight screwed joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221683918U true CN221683918U (en) | 2024-09-10 |
Family
ID=92625344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323414636.4U Active CN221683918U (en) | 2023-12-14 | 2023-12-14 | Air-tight screwed joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221683918U (en) |
-
2023
- 2023-12-14 CN CN202323414636.4U patent/CN221683918U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |