CN220688295U - High-pressure sealing threaded joint - Google Patents
High-pressure sealing threaded joint Download PDFInfo
- Publication number
- CN220688295U CN220688295U CN202322491036.1U CN202322491036U CN220688295U CN 220688295 U CN220688295 U CN 220688295U CN 202322491036 U CN202322491036 U CN 202322491036U CN 220688295 U CN220688295 U CN 220688295U
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- Prior art keywords
- sealing
- wall
- guide surface
- hole
- installation head
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- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000007792 addition Methods 0.000 description 1
- 238000000034 method Methods 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
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- Gasket Seals (AREA)
Abstract
The utility model provides a high-pressure sealing threaded joint, which belongs to the technical field of pipeline connecting devices and comprises a connecting head, wherein the inside of the connecting head is hollow, two ends of the connecting head are communicated with the outside, a threaded hole is coaxially formed in the inner wall of one end of the connecting head, an installation head is connected to the inner wall of the threaded hole in a threaded manner, the inside of the installation head is hollow, two ends of the installation head are communicated with the outside, an oil pipe is connected to the inner wall of the installation head in a sliding manner, a sealing step is fixedly connected to the outer wall of one end of the oil pipe and is abutted to the end face of one end of the installation head, and the side wall of one side of the sealing step is abutted to the bottom of the threaded hole under the action of the installation head.
Description
Technical Field
The utility model belongs to the technical field of pipeline connecting devices, and particularly relates to a high-pressure sealing threaded joint.
Background
The joint is a device for connecting pipelines, the existing joint is generally connected in a threaded manner in the using and installing process, one end of the pipeline and one end of the joint are integrated, then the joint is connected with the other pipeline in a threaded manner, and the sealing between the joints is tightly sealed by the threads, so that leakage can occur after the joint is used for a period of time.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a high-pressure sealing threaded joint which has the characteristics of improving the sealing performance between an oil pipe and a connector and reducing the possibility of leakage.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a high-pressure seal screwed joint, includes the connector, and the connector is inside to be cavity and both ends and external intercommunication, has coaxially offered a screw hole on connector one end inner wall, and threaded connection has a installation head on the screw hole inner wall, the installation head is inside to be cavity and both ends and external intercommunication sliding connection has an oil pipe on the installation head inner wall, fixedly connected with seal step on oil pipe one end outer wall, seal step butt is on installation head one end terminal surface, seal step one side lateral wall supports tightly under the effect of installation head on the screw hole bottom.
Further, a sealing gasket is arranged between the sealing step and the hole bottom of the threaded hole, and the sealing gasket is arranged in a circular ring shape.
Further, a connecting column is integrally formed on the side wall of one side of the sealing gasket, the inside of the connecting column is hollow, two ends of the connecting column are communicated with the outside, and the connecting column is slidably connected in the connecting hole.
Further, a sealing post is integrally formed on the side wall of one side, far away from the connecting post, of the sealing pad, the sealing post and the sealing pad are coaxially arranged, a first guide surface is formed on the outer wall of one end, far away from the sealing pad, of the sealing post, a second guide surface is formed on the inner wall of one end, far away from the oil pipe, of the sealing step, and the first guide surface and the second guide surface are in butt joint.
Further, a third guide surface is arranged on the hole bottom of the threaded hole, one end of the third guide surface is communicated with the inner wall of the connecting hole, a fourth guide surface is arranged on the side wall of the sealing gasket, which is close to the connecting column, one end of the fourth guide surface is connected with the outer wall of the connecting column, and the third guide surface is in butt joint with the fourth guide surface.
Compared with the prior art, the utility model has the following advantages:
1. the oil pipe is connected to the inner wall of the mounting head in a sliding way, the sealing step is abutted to the end face of one end of the mounting head, the mounting head is rotated and connected to the inner wall of the threaded hole in a threaded way, and under the action of the outer wall of the mounting head and the inner wall of the threaded hole, the mounting head drives the sealing step to be abutted to the hole bottom of the threaded hole.
2. According to the utility model, the first guide surface and the second guide surface are arranged, the first guide surface is abutted against the second guide surface, so that the sealing performance between the second floor sealing gasket and the sealing step is improved, and the third guide surface is abutted against the fourth guide surface, so that the sealing performance between the sealing gasket and the hole bottom of the threaded hole is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1, a connector; 2. a threaded hole; 3. a mounting head; 4. an oil pipe; 5. a sealing step; 6. a sealing gasket; 7. a connecting column; 8. a connection hole; 9. a sealing column; 10. a first guide surface; 11. a second guide surface; 12. a third guide surface; 13. and a fourth guide surface.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, a high-pressure sealing threaded joint comprises a connector 1, wherein the inside of the connector 1 is hollow, two ends of the connector are communicated with the outside, a threaded hole 2 is coaxially formed in the inner wall of one end of the connector 1, an installation head 3 is in threaded connection with the inner wall of the threaded hole 2, the inside of the installation head 3 is hollow, two ends of the installation head are communicated with the outside, an oil pipe 4 is slidably connected to the inner wall of the installation head 3, a sealing step 5 is fixedly connected to the outer wall of one end of the oil pipe 4, one side of the sealing step 5 is abutted against the end face of one end of the installation head 3, and the side wall of the other side of the sealing step 5 is abutted against the bottom of the threaded hole 2.
As shown in fig. 1, in order to improve the tightness between the sealing step 5 and the hole bottom of the threaded hole 2, a sealing gasket 6 is arranged between the sealing step 5 and the hole bottom of the threaded hole 2, the sealing gasket 6 is arranged in an arc shape, a connecting column 7 is integrally formed on the side wall of one side of the sealing gasket 6, the inside of the connecting column 7 is hollow, two ends of the connecting column are communicated with the outside, the connecting column 7 and the sealing gasket 6 are coaxially arranged, a connecting hole 8 is formed on the hole bottom of the threaded hole 2, the connecting column 7 is slidably connected in the connecting hole 8, a sealing column 9 is integrally formed on the side wall of one side of the sealing gasket 6, which is far away from the connecting column 7, the sealing column 9 and the sealing gasket 6 are coaxially arranged, a first guide surface 10 is formed on the outer wall of one end of the sealing column 9, which is far away from the sealing gasket 6, a second guide surface 11 is formed on the inner wall of one end of the sealing step 5, which is far away from the oil pipe 4, and the joint between the first guide surface 10 and the second guide surface 11 is formed.
As shown in fig. 1, in order to improve the sealing property between the gasket 6 and the hole bottom of the threaded hole 2, a third guiding surface 12 is formed on the hole bottom of the threaded hole 2, one end of the third guiding surface 12 is communicated with the inner wall of the connecting hole 8, a fourth guiding surface 13 is formed on the side wall of the gasket 6, which is close to the connecting column 7, one end of the fourth guiding surface 13 is connected with the outer wall of the connecting column 7, and the third guiding surface 12 is abutted against the fourth guiding surface 13.
According to the working principle of the embodiment of the utility model, when the joint is installed, the sealing gasket 6 is installed in the connecting hole 8, the connecting column 7 slides into the connecting hole 8, the third guide surface 12 and the fourth guide surface 13 are abutted, the installation head 3 is preloaded on one end of the oil pipe 4, one end of the installation head 3 is abutted on the sealing step 5, the installation head 3 is in threaded connection with the inner wall of the threaded hole 2, the installation head 3 drives the sealing step 5 to abut on one end of the sealing column 9 under the cooperation of threads between the outer wall of the installation head 3 and the inner wall of the threaded hole 2, and the first guide surface 10 on one end of the sealing column 9 is abutted on the second guide surface 11 on the inner wall of the sealing step 5.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although 1, connector are used more herein; 2. a threaded hole; 3. a mounting head; 4. an oil pipe; 5. a sealing step; 6. a sealing gasket; 7. a connecting column; 8. a connection hole; 9. a sealing column; 10. a first guide surface; 11. a second guide surface; 12. a third guide surface; 13. fourth guide surface, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (5)
1. The utility model provides a high-pressure seal screwed joint, its characterized in that, including connector (1), connector (1) inside is cavity and both ends and external intercommunication, coaxial screw hole (2) have been seted up on connector (1) one end inner wall, threaded connection has a installation head (3) on screw hole (2) inner wall, and installation head (3) inside is cavity and both ends and external intercommunication sliding connection has an oil pipe (4) on installation head (3) inner wall, fixedly connected with seal step (5) on oil pipe (4) one end outer wall, seal step (5) butt is on installation head (3) one end terminal surface, seal step (5) one side lateral wall supports tightly under the effect of installation head (3) on screw hole (2) hole bottom.
2. A high-pressure sealing threaded joint according to claim 1, characterized in that a sealing gasket (6) is arranged between the sealing step (5) and the bottom of the threaded hole (2), said sealing gasket (6) being arranged in a circular ring.
3. The high-pressure sealing threaded joint according to claim 2, wherein a connecting column (7) is integrally formed on one side wall of the sealing gasket (6), the inside of the connecting column (7) is hollow, two ends of the connecting column are communicated with the outside, a connecting hole (8) is coaxially formed in the bottom of the threaded hole (2), and the connecting column (7) is slidably connected in the connecting hole (8).
4. A high-pressure sealing threaded joint according to claim 3, characterized in that a sealing post (9) is integrally formed on the side wall of the sealing pad (6) far away from the connecting post (7), the sealing post (9) and the sealing pad (6) are coaxially arranged, a first guide surface (10) is formed on the outer wall of one end of the sealing post (9) far away from the sealing pad (6), a second guide surface (11) is formed on the inner wall of one end of the sealing step (5) far away from the oil pipe (4), and the first guide surface (10) and the second guide surface (11) are in butt joint.
5. The high-pressure sealing threaded joint according to claim 4, wherein a third guide surface (12) is formed in the bottom of the threaded hole (2), one end of the third guide surface (12) is communicated with the inner wall of the connecting hole (8), a fourth guide surface (13) is formed in the side wall, close to the connecting column (7), of the sealing gasket (6), one end of the fourth guide surface (13) is connected with the outer wall of the connecting column (7), and the third guide surface (12) is abutted to the fourth guide surface (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491036.1U CN220688295U (en) | 2023-09-13 | 2023-09-13 | High-pressure sealing threaded joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491036.1U CN220688295U (en) | 2023-09-13 | 2023-09-13 | High-pressure sealing threaded joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688295U true CN220688295U (en) | 2024-03-29 |
Family
ID=90375603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322491036.1U Active CN220688295U (en) | 2023-09-13 | 2023-09-13 | High-pressure sealing threaded joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688295U (en) |
-
2023
- 2023-09-13 CN CN202322491036.1U patent/CN220688295U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |