CN220354716U - Radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure - Google Patents
Radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure Download PDFInfo
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- CN220354716U CN220354716U CN202321192603.7U CN202321192603U CN220354716U CN 220354716 U CN220354716 U CN 220354716U CN 202321192603 U CN202321192603 U CN 202321192603U CN 220354716 U CN220354716 U CN 220354716U
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- 238000007789 sealing Methods 0.000 title claims abstract description 98
- 150000001875 compounds Chemical class 0.000 title claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 title description 9
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a radial positive pressure and negative pressure two-way compound self-expanding sealing structure, which relates to the technical field of self-expanding sealing structures and comprises a first pipeline, wherein a second pipeline is arranged on the right side of the first pipeline, a sealing assembly is detachably arranged at the joint of the first pipeline and the second pipeline, fastening assemblies are arranged on the outer surfaces of the first pipeline and the second pipeline, and a clamping unit is arranged in the sealing assembly. According to the utility model, the first pipeline and the second pipeline are respectively spliced in the two sides of the sealing sleeve by arranging the sealing sleeve, the rubber rings are correspondingly clamped in the sealing grooves in the sealing sleeve, so that the pipe bodies at the two ends are connected to obtain a sealing effect, the rubber rings are extruded to expand, the sealing gap is enhanced, and the sealing rings are tightly adsorbed on the outer surfaces of the pipe bodies, so that the sealing effect is further enhanced.
Description
Technical Field
The utility model relates to the technical field of self-expanding sealing structures, in particular to a radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure.
Background
With the development of society and the development of economy, fluid pipelines are widely applied to various fields, the dosage of the fluid pipelines is the most of basic components, and the pipelines are usually subjected to pressure resistance tests before production, delivery, use and installation and in the use process so as to test the quality condition of the pipe fittings (pipelines) and ensure the use safety, and in the use process, the joints of the pipelines are required to have good sealing performance.
In the prior art, a chinese patent document with publication number CN205424261U and publication date of 2016, 08 and 03 is proposed to solve the above-mentioned technical problems, and the technical scheme disclosed in the patent document is as follows: a self-expansion type pipeline sealing device comprises a sealing body, a sealing ring and a sealing plug, wherein the sealing plug and the sealing ring are sequentially connected with the sealing body in a penetrating manner. The sealing device adopts self-expansion type sealing, the sealing ring is pushed to move by the pressure in the pipe (pipeline), the sealing ring is automatically extruded to expand, the sealing of the pipe is realized, the pipe (pipeline) is not required to be self or an additional connecting piece is not required, the device is only required to be plugged into the end of the pipe (pipeline) to be sealed, the operation is convenient and quick, the operation can be completed in 2-5 seconds, the operation efficiency is greatly improved, and the labor intensity is reduced.
In order to solve the problem of sealing of the pipeline, the sealing ring is arranged at the joint of the two sections of pipelines in the prior art, the sealing ring is extruded when the pipelines are connected in a penetrating way, the sealing ring is extruded to expand, the sealing ring is further processed in a sealing mode, but the sealing mode does not have a fixing effect, so that the connection of the two sections of pipelines is not tight, and the sealing ring can be separated at any time.
Disclosure of Invention
The utility model aims to provide a radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure so as to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a radial positive pressure negative pressure two-way double entry is from rising formula seal structure, includes pipeline one, be provided with pipeline two on the right side of pipeline one, the junction detachable installation seal assembly of pipeline one and pipeline two, be provided with fastening assembly on the surface of pipeline one and pipeline two.
And a clamping unit is arranged in the sealing assembly. The fastening assembly comprises a first fixing plate arranged on the outer surface of the pipeline, through holes are formed in the periphery of the first fixing plate, a fixing nut is arranged at the rear of the first fixing plate, a second fixing plate is fixedly sleeved on the outer surface of the second pipeline, a fixing rod is welded on the periphery of the left side of the second fixing plate, a threaded rod is arranged at the other end of the fixing rod, the other end of the fixing rod is inserted into the periphery of the first fixing plate, and the fixing nut is matched with the outer surface of the threaded rod in a rotating mode, so that the first pipeline and the second pipeline are fixedly connected.
The technical scheme of the utility model is further improved as follows: the clamping unit comprises a sealing sleeve arranged on the outer surface of the joint of the first pipeline and the second pipeline, a sealing ring is fixedly connected to the inner wall of the sealing sleeve, a fixing ring is fixedly connected to the middle position of the inner wall of the sealing ring, sealing grooves are formed in the two sides of the fixing ring, clamping grooves are formed in the sealing grooves, and the sealing sleeve is sleeved on the outer surface of the joint of the first pipeline and the second pipeline, so that sealing effect is achieved by connecting the two sections of pipelines.
The technical scheme of the utility model is further improved as follows: the connecting part fixedly connected with rubber circle of pipeline one, the rubber circle activity is pegged graft in the inside of seal groove, fixedly connected with clamping rod on the surface of rubber circle, clamping rod activity is pegged graft in the inside of joint groove, all seted up the locating hole on the upper and lower extreme surface of clamping rod, through the inside of rubber circle joint at the seal groove, when the pipeline is to inside extrusion, the rubber circle receives the extrusion and can expand, further strengthens sealed effect.
The technical scheme of the utility model is further improved as follows: the both sides of joint groove are located the inside of seal groove and all seted up logical groove, fixedly connected with rubber piece on the inside bottom of logical groove.
The technical scheme of the utility model is further improved as follows: the rubber block is characterized in that a reset spring is fixedly connected to the outer surface of the rubber block, a positioning block is fixedly connected to the other end of the reset spring, the positioning block is movably inserted into the positioning holes of the upper end and the lower end of the clamping rod, the clamping rod is clamped in the clamping groove through the clamping rod, the front end of the clamping rod is circular and is abutted against the front end of the positioning block, when the clamping rod completely submerges into the clamping groove, the positioning block is pushed to be inserted into the positioning holes of the clamping rod under the elastic pushing force of the reset spring, and the sealing structure is fixed.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a radial positive pressure and negative pressure bidirectional duplex self-expanding sealing structure, which is characterized in that a first pipeline and a second pipeline are respectively spliced in two sides of the sealing sleeve by arranging the sealing sleeve, and a rubber ring is correspondingly clamped in the sealing groove in the sealing sleeve, so that the pipe bodies at two ends are connected to obtain a sealing effect, the rubber ring is extruded to expand, a sealing gap is reinforced, and a sealing ring is arranged to be tightly adsorbed on the outer surface of the pipe body, so that the sealing working effect is further enhanced.
2. The utility model provides a radial positive pressure negative pressure bidirectional duplex self-expanding sealing structure, which is characterized in that a clamping rod is arranged to be abutted against the inside of a clamping groove, the front end of the clamping rod is round and abutted against the front end of a positioning block, when the clamping rod is completely immersed into the inside of the clamping groove, the positioning block is promoted to be inserted into the inside of a positioning hole of the clamping rod under the elastic pushing force of a return spring, so that the sealing structure has a fixed effect.
3. The utility model provides a radial positive pressure and negative pressure bidirectional duplex self-expanding sealing structure, which is characterized in that a fixing rod is arranged at a through hole around a first fixing plate by utilizing the other end of the fixing rod to be inserted and connected with the outer surface of a threaded rod rotating by a fixing nut, so that the connection of a first pipeline and a second pipeline is fixed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a seal assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a seal groove structure of the present utility model;
FIG. 4 is a schematic view of a pipeline according to the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;
fig. 6 is a schematic view of a second structure of the pipeline according to the present utility model.
In the figure: 1. a first pipeline; 11. a rubber ring; 12. a clamping rod; 13. positioning holes; 2. a second pipeline; 3. a seal assembly; 31. sealing sleeve; 32. a seal ring; 33. a fixing ring; 34. sealing grooves; 35. a clamping groove; 36. a through groove; 37. a rubber block; 38. a return spring; 39. a positioning block; 4. a fastening assembly; 41. a first fixing plate; 42. a through hole; 43. a fixed screw cap; 44. a second fixing plate; 45. a fixed rod; 46. a threaded rod.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-6, the utility model provides a radial positive pressure negative pressure bidirectional duplex self-expanding sealing structure, which comprises a first pipeline 1, a second pipeline 2 is arranged on the right side of the first pipeline 1, a sealing component 3 is detachably arranged at the joint of the first pipeline 1 and the second pipeline 2, a fastening component 4 is arranged on the outer surface of the first pipeline 1 and the second pipeline 2, a clamping unit is arranged in the sealing component 3, the clamping unit comprises a sealing sleeve 31 arranged on the outer surface of the joint of the first pipeline 1 and the second pipeline 2, a sealing ring 32 is fixedly connected on the inner wall of the sealing sleeve 31, a fixing ring 33 is fixedly connected on the middle position of the inner wall of the sealing ring 32, sealing grooves 34 are respectively arranged on two sides of the fixing ring 33, clamping grooves 35 are respectively arranged in the sealing grooves 34, rubber rings 11 are fixedly connected on the joint of the first pipeline 1, the rubber rings 11 are movably spliced in the sealing grooves 34, clamping rods 12 are fixedly connected on the outer surfaces of the rubber rings 11, the clamping rods 12 are movably spliced in the inner parts of the clamping grooves 35, and positioning holes 13 are respectively arranged on the outer surfaces of the upper ends and the lower ends of the clamping rods 12.
Further, through peg graft pipeline one 1 and pipeline two 2 respectively in the both sides inside of seal cover 31, the block that makes the rubber circle 11 of pipeline inner end correspond in the inside seal groove 34 of seal cover 31 for both ends body coupling obtains sealed effect, can extrude rubber circle 11 when the both sides pipeline is pegged graft to inside simultaneously, and rubber circle 11 receives the extrusion and can expand, strengthens sealed gap, and sealing washer 32 on the junction surface of cooperation pipeline one 1 and pipeline two 2 tightly adsorbs on the surface of body, further strengthens sealed effect.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, through grooves 36 are formed in the two sides of the clamping groove 35 and located in the sealing groove 34, rubber blocks 37 are fixedly connected to the bottom ends of the inner portions of the through grooves 36, reset springs 38 are fixedly connected to the outer surfaces of the rubber blocks 37, positioning blocks 39 are fixedly connected to the other ends of the reset springs 38, and the positioning blocks 39 are movably inserted into the positioning holes 13 in the upper end and the lower end of the clamping rod 12.
Further, the clamping rod 12 is abutted against the inside of the clamping groove 35, the front end of the clamping rod 12 is round and abutted against the front end of the positioning block 39, when the clamping rod 12 is completely immersed into the inside of the clamping groove 35, the positioning block 39 is pushed to be inserted into the positioning hole 13 of the clamping rod 12 under the elastic pushing force of the return spring 38, so that the sealing structure is fixed.
Example 3
As shown in fig. 1-6, on the basis of embodiments 1-2, the present utility model provides a technical solution: preferably, the fastening component 4 comprises a first fixing plate 41 arranged on the outer surface of the first pipeline 1, through holes 42 are formed in the periphery of the first fixing plate 41, a fixing nut 43 is arranged behind the first fixing plate 41, a second fixing plate 44 is fixedly sleeved on the outer surface of the second pipeline 2, fixing rods 45 are welded on the periphery of the left side of the second fixing plate 44, and threaded rods 46 are arranged on the other ends of the fixing rods 45.
Further, the other end of the fixing rod 45 is inserted into the through holes 42 around the first fixing plate 41, and is matched with the outer surface of the threaded rod 46 rotated by the fixing nut 43, so that the connection between the first pipeline 1 and the second pipeline 2 is fixed.
The working principle of the radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure is specifically described below.
As shown in fig. 1-6, when in use, the first pipeline 1 and the second pipeline 2 are respectively inserted into the two sides of the sealing sleeve 31, so that the rubber rings 11 at the inner ends of the pipelines are correspondingly clamped in the sealing grooves 34 in the sealing sleeve 31, the connection of the two ends of the pipelines is sealed, the rubber rings 11 are extruded when the two side pipelines are simultaneously inserted into the sealing sleeve, the rubber rings 11 are extruded to expand, the sealing gap is strengthened, the sealing ring 32 on the outer surface of the joint of the first pipeline 1 and the second pipeline 2 is tightly adsorbed on the outer surface of the pipeline body, the sealing effect is further strengthened, the clamping connection rod 12 is abutted in the clamping groove 35 during installation and insertion, the front end of the clamping connection rod 12 is circular and is abutted against the front end of the positioning block 39, when the clamping connection rod 12 is completely immersed in the clamping groove 35, the positioning block 39 is pushed by the elastic pushing force of the return spring 38, the positioning block 39 is inserted into the positioning hole 13 of the clamping connection rod 12, the sealing structure is fixed, the other end of the fixing rod 45 is inserted into the through hole 42 around the fixing plate 41, and the threaded rod 43 is fixed on the outer surface of the first pipeline 46, and the second pipeline 1 is fixed.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (5)
1. The utility model provides a radial positive pressure negative pressure two-way double entry is from rising formula seal structure, includes pipeline one (1), its characterized in that: a second pipeline (2) is arranged on the right side of the first pipeline (1), a sealing component (3) is detachably arranged at the joint of the first pipeline (1) and the second pipeline (2), and a fastening component (4) is arranged on the outer surfaces of the first pipeline (1) and the second pipeline (2);
a clamping unit is arranged in the sealing assembly (3);
the fastening assembly (4) comprises a first fixing plate (41) arranged on the outer surface of the first pipeline (1), through holes (42) are formed in the periphery of the first fixing plate (41), fixing nuts (43) are arranged behind the first fixing plate (41), a second fixing plate (44) is fixedly sleeved on the outer surface of the second pipeline (2), fixing rods (45) are welded on the periphery of the left side of the second fixing plate (44), and threaded rods (46) are arranged at the other ends of the fixing rods (45).
2. The radial positive pressure and negative pressure two-way compound self-expanding sealing structure according to claim 1, wherein: the clamping unit comprises a sealing sleeve (31) arranged on the outer surface of the joint of the first pipeline (1) and the second pipeline (2), a sealing ring (32) is fixedly connected to the inner wall of the sealing sleeve (31), a fixing ring (33) is fixedly connected to the middle position of the inner wall of the sealing ring (32), sealing grooves (34) are formed in two sides of the fixing ring (33), and clamping grooves (35) are formed in the sealing grooves (34).
3. The radial positive pressure and negative pressure two-way compound self-expanding sealing structure according to claim 1, wherein: the connecting part of the first pipeline (1) is fixedly connected with a rubber ring (11), the rubber ring (11) is movably inserted into the sealing groove (34), a clamping rod (12) is fixedly connected to the outer surface of the rubber ring (11), the clamping rod (12) is movably inserted into the clamping groove (35), and positioning holes (13) are formed in the outer surfaces of the upper end and the lower end of the clamping rod (12).
4. The radial positive pressure and negative pressure two-way compound self-expanding sealing structure according to claim 2, wherein: the two sides of the clamping groove (35) are positioned in the sealing groove (34) and are provided with through grooves (36), and rubber blocks (37) are fixedly connected to the bottom ends of the inner parts of the through grooves (36).
5. The radial positive pressure and negative pressure two-way compound self-expanding sealing structure according to claim 4, wherein: the outer surface of the rubber block (37) is fixedly connected with a reset spring (38), the other end of the reset spring (38) is fixedly connected with a positioning block (39), and the positioning block (39) is movably inserted into the positioning holes (13) at the upper end and the lower end of the clamping rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192603.7U CN220354716U (en) | 2023-05-17 | 2023-05-17 | Radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192603.7U CN220354716U (en) | 2023-05-17 | 2023-05-17 | Radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354716U true CN220354716U (en) | 2024-01-16 |
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ID=89484652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192603.7U Active CN220354716U (en) | 2023-05-17 | 2023-05-17 | Radial positive pressure and negative pressure bidirectional compound self-expanding sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354716U (en) |
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2023
- 2023-05-17 CN CN202321192603.7U patent/CN220354716U/en active Active
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