CN216813386U - High-strength stainless steel expansion joint with long service life - Google Patents
High-strength stainless steel expansion joint with long service life Download PDFInfo
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- CN216813386U CN216813386U CN202220433170.9U CN202220433170U CN216813386U CN 216813386 U CN216813386 U CN 216813386U CN 202220433170 U CN202220433170 U CN 202220433170U CN 216813386 U CN216813386 U CN 216813386U
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- wall
- stainless steel
- expansion joint
- external pipeline
- layer
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 26
- 239000010935 stainless steel Substances 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 46
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 230000030279 gene silencing Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Abstract
The utility model discloses a long-life high-strength stainless steel expansion joint, which comprises a flange, wherein a screw hole is arranged in the flange in a penetrating way, the inner wall of the flange is connected with an external pipeline, two ends of the external pipeline are provided with ports, a silencing layer is arranged in the external pipeline, the inner wall of the silencing layer is connected with a rigidity interlayer, an anti-corrosion rubber layer is arranged in the rigidity interlayer in a penetrating way, one side of the external pipeline is connected with a corrugated pipe, one side of the corrugated pipe is connected with an inner groove, the inner wall of the screw hole is connected with a guide rod, the outer wall of one end of the guide rod is connected with a nut, and the other end of the guide rod is connected with an axial rod, and the flow velocity of the medium is not influenced, so that the service life of the stainless steel expansion joint is longer.
Description
Technical Field
The utility model relates to the field of expansion joints, in particular to a stainless steel expansion joint with long service life and high strength.
Background
The expansion joint is a flexible structure arranged on a container shell or a pipeline in order to compensate additional stress caused by temperature difference and mechanical vibration, and the effective telescopic deformation of the corrugated pipe of the working main body is utilized to absorb the size change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold, but the stainless steel expansion joint has certain defects when in use, so that the stainless steel expansion joint with longer service life and higher strength is required to be provided.
There are the following problems:
its self intensity of traditional its stainless steel expansion joint is more weak, and takes place to damage easily during the bending, meets expend with heat and contract with cold and can lead to life to reduce, and the guide bracket in its outside is fragile, and cost of maintenance is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a stainless steel expansion joint with long service life and high strength.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high life high strength stainless steel expansion joint, includes the flange, the flange inboard runs through and is provided with the screw, the inner wall connection of flange has external pipeline, the both ends of external pipeline are provided with the port, the inside of external pipeline is provided with the amortization layer, the inner wall connection on amortization layer has the rigidity intermediate layer, rigidity intermediate layer inboard runs through and is provided with the anticorrosive rubber layer, one side of external pipeline is connected with the bellows, one side of bellows is connected with the inner groovy, the inner wall connection of screw has the guide bar, the outer wall connection of guide bar one end has the nut, the other end of guide bar is connected with the axial rod, the junction of axial rod and guide bar is provided with the bolt, the one end of axial rod is provided with the screw thread layer, the outer wall connection on screw thread layer has end nut.
As a further description of the above technical solution:
the inner side of the flange is fixedly provided with a plurality of screw holes, the number of the screw holes is a plurality of groups, and the inner wall of the flange is in threaded connection with an external pipeline.
As a further description of the above technical solution:
the fixed port that is provided with in both ends of external pipeline, the fixed noise damping layer that is provided with in inside of external pipeline, the inner wall and the rigidity intermediate layer fixed connection on noise damping layer, rigidity intermediate layer shape is the loop configuration.
As a further description of the above technical solution:
the anti-corrosion rubber layer is fixedly arranged on the inner side of the rigidity interlayer, one side of the external pipeline is welded with the corrugated pipe, one side of the corrugated pipe is fixedly connected with the inner grooves, and the number of the inner grooves is a plurality of groups.
As a further description of the above technical solution:
the inner wall and the guide bar threaded connection of screw, the one end of guide bar is provided with the lug, the outer wall and the nut threaded connection of guide bar one end.
As a further description of the above technical solution:
the other end and the axial rod swing joint of guide bar, the junction of axial rod one end is provided with the concave block, the junction and the bolt grafting of axial rod and guide bar.
As a further description of the above technical solution:
and one end of the axial rod is fixedly provided with a thread layer, and the outer wall of the thread layer is in threaded connection with the end nut.
The utility model has the following beneficial effects:
through the combined action with flange connection structure, utilize mutually supporting of its bellows and inner groovy, make its stainless steel expansion joint have flexible effect, the spring structure steel pipe of constituteing by bellows and inner groovy, when cold when changing in the pipeline, arouse the bellows shrink, make its interval reduce under the support of flange, can extend its length, and strengthened the reliability of junction, and its self intensity is higher, and do not influence the velocity of flow of medium, make the life of its stainless steel expansion joint more permanent, and the outside is by the direction support structure that guide bar and axial rod constitute, bolt through its kneck setting, make its activity strengthen, thereby when the activity of its bellows, avoid the rupture of its direction support, thereby make the whole life of its expansion joint obtain promoting.
Drawings
FIG. 1 is an external view of a long-life high-strength stainless steel expansion joint according to the present invention;
FIG. 2 is a schematic diagram of an external pipeline structure of a long-life high-strength stainless steel expansion joint according to the present invention;
fig. 3 is an enlarged view of a point a in fig. 1.
Illustration of the drawings:
1. a flange; 2. a screw hole; 3. connecting a pipeline externally; 4. a port; 5. a sound-deadening layer; 6. a steel grade interlayer; 7. an anti-corrosion rubber layer; 8. a bellows; 9. an inner groove; 10. a guide bar; 11. a nut; 12. an axial rod; 13. a bolt; 14. a threaded layer; 15. an end nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, one embodiment of the present invention is provided: the utility model provides a high life high strength stainless steel expansion joint, including flange 1, 1 inboard of flange runs through and is provided with screw 2, flange 1's inner wall connection has external pipeline 3, external pipeline 3's both ends are provided with port 4, external pipeline 3's inside is provided with amortization layer 5, the inner wall connection of amortization layer 5 has rigidity intermediate layer 6, rigidity intermediate layer 6 inboard runs through and is provided with anticorrosive rubber layer 7, one side of external pipeline 3 is connected with bellows 8, one side of bellows 8 is connected with inner groovy 9, the inner wall connection of screw 2 has guide bar 10, the outer wall connection of guide bar 10 one end has nut 11, the other end of guide bar 10 is connected with axial rod 12, make its structure more perfect, the junction of axial rod 12 and guide bar 10 is provided with bolt 13, the one end of axial rod 12 is provided with screw thread layer 14, the outer wall connection of screw thread layer 14 has end nut 15.
The inner side of a flange 1 is fixedly provided with a plurality of screw holes 2, the number of the screw holes 2 is a plurality of groups, the inner wall of the flange 1 is in threaded connection with an external pipeline 3, two ends of the external pipeline 3 are fixedly provided with ports 4, the internal part of the external pipeline 3 is fixedly provided with a silencing layer 5, the inner wall of the silencing layer 5 is fixedly connected with a rigidity interlayer 6, the rigidity interlayer 6 is in an annular structure, the inner side of the rigidity interlayer 6 is fixedly provided with an anti-corrosion rubber layer 7, one side of the external pipeline 3 is welded with a corrugated pipe 8, one side of the corrugated pipe 8 is fixedly connected with an inner groove 9 to increase the stability of the structure of the inner groove 9, the number of the inner grooves 9 is a plurality of groups, the inner wall of the screw holes 2 is in threaded connection with a guide rod 10, one end of the guide rod 10 is provided with a convex block, the outer wall of one end of the guide rod 10 is in threaded connection with a nut 11, the other end of the guide rod 10 is movably connected with an axial rod 12, the joint of one end of the axial rod 12 is provided with a concave block, the joint of the axial rod 12 and the guide rod 10 is inserted with a plug pin 13, one end of the axial rod 12 is fixedly provided with a thread layer 14, and the outer wall of the thread layer 14 is in threaded connection with an end nut 15.
The working principle is as follows: when the stainless steel expansion joint with long service life and high strength is used, firstly, the flange 1 can be stably connected into a pipeline under the threaded connection of an external pipeline 3, a silencing layer 5 which is additionally arranged in the external pipeline 3 can avoid noise transmission, and an anti-corrosion rubber layer 7 which is additionally arranged in a rigidity interlayer 6 at intervals does not influence the flow velocity and the flow quantity of a medium, so that the stainless steel expansion joint is particularly suitable for places with complicated geological conditions and large sedimentation amplitude and where the pipeline is damaged due to frequent cold and heat changes in pipeline operation, and a spring structure steel pipe which consists of a corrugated pipe 8 and an inner groove 9 causes the contraction of the corrugated pipe 8 when the pipeline is cold and changed, the interval is reduced under the support of the flange 1, and a stable axial guiding effect is formed under the clearance fit of the inner groove 9, secondly, guide rods 10 of the stainless steel expansion joint can respectively penetrate into a screw hole 2 of the flange 1 on one side and are fixed through a screw cap 11, meanwhile, the axial rod 12 penetrates into the screw hole 2 of the flange 1 on the other side and is fixed by the end nut 15, the joint of the axial rod and the flange can be connected by the bolt 13, the guide rod 10 and the axial rod 12 are prevented from being damaged by the movable structure of the bolt 13, the reliability of the joint can be further enhanced, and the service life of the stainless steel expansion joint is longer.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high life high strength stainless steel expansion joint, includes flange (1), its characterized in that: the anti-corrosion flange is characterized in that a screw hole (2) penetrates through the inner side of the flange (1), an external pipeline (3) is connected to the inner wall of the flange (1), ports (4) are arranged at two ends of the external pipeline (3), a silencing layer (5) is arranged inside the external pipeline (3), a rigidity interlayer (6) is connected to the inner wall of the silencing layer (5), an anti-corrosion rubber layer (7) penetrates through the inner side of the rigidity interlayer (6), a corrugated pipe (8) is connected to one side of the external pipeline (3), an inner groove (9) is connected to one side of the corrugated pipe (8), a guide rod (10) is connected to the inner wall of the screw hole (2), a nut (11) is connected to the outer wall of one end of the guide rod (10), an axial rod (12) is connected to the other end of the guide rod (10), and a bolt (13) is arranged at the joint of the axial rod (12) and the guide rod (10), one end of the axial rod (12) is provided with a thread layer (14), and the outer wall of the thread layer (14) is connected with an end nut (15).
2. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: the inner side of the flange (1) is fixedly provided with screw holes (2), the number of the screw holes (2) is a plurality of groups, and the inner wall of the flange (1) is in threaded connection with an external pipeline (3).
3. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: the fixed port (4) that is provided with in both ends of external pipeline (3), the fixed noise damping layer (5) that is provided with in inside of external pipeline (3), the inner wall and rigidity intermediate layer (6) fixed connection of noise damping layer (5), rigidity intermediate layer (6) shape is the loop configuration.
4. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: the steel degree interlayer is characterized in that an anti-corrosion rubber layer (7) is fixedly arranged on the inner side of the steel degree interlayer (6), one side of the external pipeline (3) is welded with the corrugated pipe (8), one side of the corrugated pipe (8) is fixedly connected with the inner grooves (9), and the number of the inner grooves (9) is a plurality of groups.
5. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: the inner wall of screw hole (2) and guide bar (10) threaded connection, the one end of guide bar (10) is provided with the lug, the outer wall and nut (11) threaded connection of guide bar (10) one end.
6. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: the other end and the axial rod (12) swing joint of guide bar (10), the junction of axial rod (12) one end is provided with the concave block, the junction of axial rod (12) and guide bar (10) is pegged graft with bolt (13).
7. A long-life high-strength stainless steel expansion joint according to claim 1, characterized in that: one end of the axial rod (12) is fixedly provided with a thread layer (14), and the outer wall of the thread layer (14) is in threaded connection with an end nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433170.9U CN216813386U (en) | 2022-03-01 | 2022-03-01 | High-strength stainless steel expansion joint with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433170.9U CN216813386U (en) | 2022-03-01 | 2022-03-01 | High-strength stainless steel expansion joint with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813386U true CN216813386U (en) | 2022-06-24 |
Family
ID=82042610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220433170.9U Expired - Fee Related CN216813386U (en) | 2022-03-01 | 2022-03-01 | High-strength stainless steel expansion joint with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813386U (en) |
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2022
- 2022-03-01 CN CN202220433170.9U patent/CN216813386U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |