CN214743974U - High-pressure explosion-proof oil way connection sealing structure - Google Patents
High-pressure explosion-proof oil way connection sealing structure Download PDFInfo
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- CN214743974U CN214743974U CN202120604749.2U CN202120604749U CN214743974U CN 214743974 U CN214743974 U CN 214743974U CN 202120604749 U CN202120604749 U CN 202120604749U CN 214743974 U CN214743974 U CN 214743974U
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- pipeline joint
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- joint
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Abstract
The utility model discloses a high-pressure explosion-proof oil circuit connection seal structure, including pipeline joint, one end and pipeline articulate's oil pipeline, set up in the sealing member of pipeline joint and oil pipeline even department, pipeline joint passes through screw thread or flange joint with oil pipeline, oil pipeline is provided with the counter bore with pipeline joint link, several annulars have been seted up respectively on the step face of counter bore and on the pipeline joint link terminal surface, the sealing member includes cyclic annular portion, be provided with on the cyclic annular portion side end face and correspond complex lower bulge loop with the annular on the step face of counter bore, be provided with on the terminal surface of the other side with the pipeline joint link on the annular correspond complex bulge loop. The utility model provides a seal structure is reasonable, and bearing capacity is strong is applicable to the explosion-proof oil circuit connection seal structure of high pressure of explosion-proof oil circuit connection.
Description
Technical Field
The utility model relates to a high-pressure explosion-proof oil circuit connection seal structure belongs to fluid line connection sealing member technical field.
Background
In the prior art, the sealing elements are made of rubber or silica gel materials, certain pressure is generated on a sealing surface by utilizing the characteristic of elastic deformation of the sealing elements to be attached to the sealing surface to realize sealing, but the structure has limited pressure bearing capacity, and the sealing elements are easily extruded into a gap between two connecting pipelines to cause failure along with the increase of the pressure of fluid, so that production accidents such as fluid leakage and the like are caused, and the hidden danger of safety accidents is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that a high-pressure explosion-proof oil circuit connection seal structure is provided, its seal structure is reasonable, and bearing capacity is applicable to high-pressure explosion-proof oil circuit connection by force, can solve the not enough of prior art.
The technical scheme of the utility model is that: the utility model provides a high-pressure explosion-proof oil circuit connection seal structure, includes pipeline joint, one end and pipeline articulate's oil pipeline, sets up in the sealing member of pipeline joint and oil pipeline even department, and pipeline joint passes through screw thread or flange joint with oil pipeline, oil pipeline is provided with the counter bore with pipeline articulate link, several annular grooves have been seted up respectively on the step face of counter bore and on the pipeline joint link terminal surface, the sealing member includes cyclic annular portion, be provided with on the cyclic annular portion side end face and correspond complex lower bulge loop with the annular on the step face of counter bore, be provided with on the other side end face and correspond the complex bulge loop with the annular on the pipeline joint link terminal surface. When the pipeline joint connecting end is connected with one end of an oil pipeline, the annular part of the sealing element is compressed between the end face of the pipeline joint connecting end and the step face of the counter bore, the lower convex ring on the end face of one side of the annular part enters the annular groove on the step face of the counter bore, and the upper convex ring on the end face of the other side of the annular part enters the annular groove on the end face of the pipeline joint connecting end, so that the pressure bearing strength of connection between the sealing element and the pipeline joint and the oil pipeline is improved, and the high-pressure explosion-proof effect is achieved.
The sealing element comprises a sleeve ring part which can be tightly sleeved on the outer wall of the pipeline joint, the ring part is located at one end of the sleeve ring part, the sealing element is sleeved on the connecting end of the pipeline joint through the sleeve ring part, and when the pipeline joint is connected with an oil pipeline, the outer wall of the sleeve ring part is tightly pressed with the inner wall of the counter bore. The lantern ring portion also plays sealed effect, further strengthens sealed effect, and the sealing member is located on the pipeline joint through lantern ring portion cover and is connected with defeated oil pipe one end again during the installation, makes things convenient for the accurate erection joint of sealing member.
Further pipeline connects link outer wall and is the echelonment, and its echelonment face cooperatees with the lantern ring portion and keeps away from cyclic annular end. The sealing element sleeved on the connecting end of the pipeline joint is limited through the step surface, so that the sealing element is prevented from being seriously expanded and deformed to fail when being extruded.
Furthermore, the section of the lower convex ring and the section of the ring groove on the step surface of the counter bore are in a matched trapezoid shape. The guide function is achieved, and the connection is convenient and accurate in matching.
Further, the sleeve ring part is in a cone shape, and a conical surface matched with the outer wall of the sleeve ring part is arranged on the inner wall of the counter bore. The guiding function is achieved, the connection between the pipeline joint connecting end of the sleeved sealing element and an oil pipeline is facilitated, and better sealing performance is achieved.
Further, the outer wall of the connecting end of the pipeline joint and the inner wall of the counter bore are provided with matched threads. The connection of the pipeline joint and the oil pipeline is convenient.
To sum up, the utility model provides a seal structure is reasonable, and bearing capacity is strong is applicable to the high-pressure explosion-proof oil circuit connection seal structure of high-pressure explosion-proof oil circuit connection.
Drawings
FIG. 1 is a schematic view of the internal connection of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of an oil pipeline;
FIG. 4 is a first view of the seal;
fig. 5 is a second view of the seal.
Shown in the figure: a pipeline joint 1; an oil pipeline 2; a seal member 3; a step surface 4; the ring grooves 5, 5 a; an annular portion 6; a lower convex ring 7; an upper convex ring 8; a collar portion 9; a step surface 10; an external thread 11; an internal thread 12; a tapered surface 13.
Detailed Description
The embodiment of the utility model provides a: as shown in fig. 1 to 5, a high-pressure explosion-proof oil circuit connection sealing structure comprises a pipeline joint 1, an oil pipeline 2 with one end connected with the pipeline joint 1, a sealing element 3 arranged at the joint of the pipeline joint 1 and the oil pipeline 2, the pipeline joint 1 is connected with the oil pipeline 2 through threads or flanges, a counter bore is arranged at the connecting end of the oil pipeline 2 and the pipeline joint 1, a plurality of annular grooves 5 and 5a are respectively arranged on a step surface 4 of the counter bore and the end surface of the connecting end of the pipeline joint 1, the sealing element 3 comprises an annular part 6, a lower convex ring 7 corresponding to and matched with the annular groove 5 on the step surface 4 of the counter bore is arranged on one side end surface of the annular part 6, and an upper convex ring 8 corresponding to and matched with the annular groove 5a on the end surface of the connecting end of the pipeline joint 1 is arranged on the other side end surface. When the connecting end of the pipeline joint 1 is connected with one end of the oil pipeline 2, the annular part 6 of the sealing element 3 is tightly pressed between the end face of the connecting end of the pipeline joint 1 and the step face 4 of the counter bore, the lower convex ring 7 on the end face of one side of the annular part 6 enters the annular groove 5 on the step face 4 of the counter bore, and the upper convex ring 8 on the end face of the other side enters the annular groove 5a on the end face of the connecting end of the pipeline joint 1, so that the pressure-bearing strength of connection between the sealing element 3 and the pipeline joint 1 and the oil pipeline 2 is improved, and the high-pressure explosion-proof effect is achieved.
The preferential sealing member 3 of this embodiment is including can tightly sheathe in the 1 outer wall of pipe joint lantern ring portion 9, and cyclic annular portion 6 is located lantern ring portion 9 one end, and 1 link of pipe joint is located through the 9 covers of lantern ring portion to sealing member 3, and when pipe joint 1 was connected with oil pipeline 2, 9 outer walls of lantern ring portion compress tightly with the counter bore inner wall. The lantern ring portion 9 also plays a sealing role, further strengthens sealed effect, and sealing member 3 is connected with defeated oil pipe 2 one end again on pipeline joint 1 is located through the lantern ring portion 9 cover during the installation, makes things convenient for the accurate erection joint of sealing member 3.
The outer wall of the connection end of the preferred pipe joint 1 of this embodiment is stepped, and the stepped surface 10 of the preferred pipe joint is matched with the end of the collar portion 9 away from the annular portion 6. The sealing element 3 sleeved at the connecting end of the pipeline joint 1 is limited by the stepped surface 10, so that the sealing element is prevented from being seriously expanded and deformed to fail when extruded.
The cross section of the lower convex ring 7 of the prior embodiment is in a matched trapezoid shape with the cross section of the ring groove 5 on the step surface 4 of the counter bore. The guide function is achieved, and the connection is convenient and accurate in matching.
The collar portion 9 of the preferred embodiment is tapered, and a tapered surface 13 is provided on the inner wall of the counter bore to mate with the outer wall of the collar portion 9. The guiding function is achieved, the connection between the connecting end of the pipeline joint 1 of the sleeved sealing element 3 and the oil pipeline 2 is facilitated, and better sealing performance is achieved.
The preferential pipeline of this embodiment connects 1 link outer wall to be equipped with external screw thread 11, is provided with matched with internal thread 12 on the counter bore inner wall. The pipeline joint 1 is connected with the oil pipeline 2 through threads, and the operation is simple and convenient.
Claims (6)
1. The utility model provides a seal structure is connected to explosion-proof oil circuit of high pressure, includes pipeline joint, one end and pipeline articulate's oil pipeline, sets up in the sealing member of pipeline joint and oil pipeline even department, and pipeline joint passes through screw thread or flange joint, its characterized in that with oil pipeline: the oil pipeline is provided with the counter bore with pipeline joint link, several annular have been seted up respectively on the step face of counter bore and on the pipeline joint link terminal surface, the sealing member includes cyclic annular portion, be provided with on the cyclic annular portion side end face and correspond complex lower bulge loop with the annular on the step face of counter bore, be provided with on the terminal surface of the other side and correspond complex upper bulge loop with the annular on the pipeline joint link terminal surface.
2. The high-pressure explosion-proof oil way connection sealing structure according to claim 1, characterized in that: the sealing element comprises a sleeve ring part which can be tightly sleeved on the outer wall of the pipeline joint, the ring part is positioned at one end of the sleeve ring part, the sealing element is sleeved on the connecting end of the pipeline joint through the sleeve ring part, and when the pipeline joint is connected with an oil pipeline, the outer wall of the sleeve ring part is tightly pressed with the inner wall of the counter bore.
3. The high-pressure explosion-proof oil way connection sealing structure according to claim 1, characterized in that: the outer wall of the connecting end of the pipeline joint is in a step shape, and the step surface of the connecting end of the pipeline joint is matched with the end, far away from the annular part, of the sleeve ring part.
4. The high-pressure explosion-proof oil way connection sealing structure according to claim 1, characterized in that: the cross section of the lower convex ring and the cross section of the ring groove on the step surface of the counter bore are in a matched trapezoid shape.
5. The high-pressure explosion-proof oil way connection sealing structure according to claim 2, characterized in that: the sleeve ring part is in a conical shape, and a conical surface matched with the outer wall of the sleeve ring part is arranged on the inner wall of the counter bore.
6. The high-pressure explosion-proof oil way connection sealing structure according to claim 1, characterized in that: and the outer wall of the connecting end of the pipeline joint and the inner wall of the counter bore are provided with matched threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604749.2U CN214743974U (en) | 2021-03-25 | 2021-03-25 | High-pressure explosion-proof oil way connection sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604749.2U CN214743974U (en) | 2021-03-25 | 2021-03-25 | High-pressure explosion-proof oil way connection sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743974U true CN214743974U (en) | 2021-11-16 |
Family
ID=78596831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120604749.2U Active CN214743974U (en) | 2021-03-25 | 2021-03-25 | High-pressure explosion-proof oil way connection sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743974U (en) |
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2021
- 2021-03-25 CN CN202120604749.2U patent/CN214743974U/en active Active
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