CN209818949U - Stainless steel pipe with anticorrosion function - Google Patents
Stainless steel pipe with anticorrosion function Download PDFInfo
- Publication number
- CN209818949U CN209818949U CN201920599955.1U CN201920599955U CN209818949U CN 209818949 U CN209818949 U CN 209818949U CN 201920599955 U CN201920599955 U CN 201920599955U CN 209818949 U CN209818949 U CN 209818949U
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- connecting pipe
- sealing
- ring
- pipe
- abutting
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a nonrust steel pipe with anti-corrosion function, its technical scheme main points include connecting pipe one and connecting pipe two, a connecting pipe threaded connection is in the inside of connecting pipe two, its characterized in that: the outer sealing check ring is arranged outside the first connecting pipe, the inner sealing check ring is arranged inside the first connecting pipe, the first connecting pipe and the second connecting pipe are in threaded connection, the first connecting pipe and the inner sealing check ring are in abutting pressure sealing, the second connecting pipe and the outer sealing check ring are in abutting pressure sealing, and media inside and outside the stainless steel pipe are prevented from entering a threaded connection position. The utility model has the characteristics of can protect nonrust steel pipe threaded connection department and prevent that threaded connection department from taking place to corrode.
Description
Technical Field
The utility model relates to a nonrust steel pipe, more specifically say that it relates to a nonrust steel pipe with anticorrosive function.
Background
The stainless steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like in petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. The length of single stainless steel pipeline receives the restriction, often need connect stainless steel pipeline in the use, make it can satisfy normal industrial production, when connecting stainless steel pipeline, people often adopt the connected mode of screw thread to connect the equipment to it, need on stainless steel surface and inner wall respectively the die and supply the silk to form interior external screw thread and be used for carrying out the built-up connection to the pipeline, during the connection, often can set up sealed material area between the screw thread and seal, can guarantee the leakproofness of pipe connection department, but external or inside moisture still easily remains in the middle of the gap of screw thread.
The existing anti-corrosion stainless steel is provided with an anti-corrosion layer on the surface or the inner wall of a pipeline in order to increase the anti-corrosion performance of the pipeline, but the anti-corrosion layer on the surface of the pipeline can be damaged in the process of tapping and threading on a stainless steel pipe, once the threads enter, the threads are easily corroded at the threaded connection part, and the connection strength of the pipeline is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a nonrust steel pipe with anti-corrosion function has the characteristics that can protect nonrust steel pipe threaded connection department and prevent that threaded connection department from taking place to corrode.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a nonrust steel pipe with corrosion protection, includes connecting pipe one and connecting pipe two, a connecting pipe threaded connection is in the inside of connecting pipe two, the outside of connecting pipe one is equipped with the external seal retaining ring, the inside of connecting pipe one is equipped with the internal seal retaining ring, behind connecting pipe one and the two threaded connection of connecting pipe, connecting pipe one supports with the internal seal retaining ring and presses sealedly, connecting pipe two supports with the external seal retaining ring and presses sealedly, prevents that the inside and outside medium of nonrust steel pipe from getting into threaded connection department.
By adopting the technical scheme, the first connecting pipe and the second connecting pipe are mutually connected through threads, after the first connecting pipe and the second connecting pipe are connected, one end of the first connecting pipe extends into the second connecting pipe and is mutually pressed against the inner sealing retainer ring in the second connecting pipe, so that a structure with certain sealing performance is formed between the inner cavity of the pipeline and the threaded connection part, and the pipeline material at the threaded connection part is prevented from being corroded by a liquid medium in the stainless steel pipe entering the threaded connection part; one end of the connecting pipe II is sleeved outside the connecting pipe I, the connecting pipe II and the outer sealing check ring are mutually abutted and pressed to form a structure with certain sealing performance, and water outside the stainless steel pipe is prevented from entering a threaded connection gap to corrode a pipeline at the threaded position.
The utility model discloses further set up to: the sealing sleeve is sleeved at the joint of the first connecting pipe and the second connecting pipe, one end of the sealing sleeve is in interference fit with the first connecting pipe, the other end of the sealing sleeve is in interference fit with the second connecting pipe, and sealing connecting rings used for increasing the sealing performance are arranged at the joints of the sealing sleeve and the first connecting pipe and the second connecting pipe respectively.
Through adopting above-mentioned technical scheme, the seal cover sleeve is established on nonrust steel pipe and is corresponded to the junction position of connecting pipe one and connecting pipe two, is provided with the seal go-between on the seal cover, the seal go-between respectively with connecting pipe one, two interference fit of connecting pipe, the seal cover can stably fix in the outside of stainless steel pipeline, can enter into the threaded connection seam to external environment moisture liquid in as, on the one hand, and on the other hand can increase the joint strength between connecting pipe one and the connecting pipe two.
The utility model discloses further set up to: a sealing cavity is formed among the sealing sleeve, the first connecting pipe and the second connecting pipe, moisture-proof particles are filled in the sealing cavity, and the moisture-proof particles are silica gel moisture-proof agent particles.
Through adopting above-mentioned technical scheme, the internal diameter of seal cover is slightly big relatively nonrust steel pipe, forms sealed cavity between seal cover, connecting pipe one and connecting pipe two, and the inside silica gel dampproof agent granule of sealed cavity can absorb the inside moisture of infiltration seal cover for the outside position of threaded connection department can keep the environment of relative drying, prevents the corruption of moisture to threaded connection department.
The utility model discloses further set up to: and the second connecting pipe is provided with an outer sealing abutting ring used for abutting against the outer sealing check ring, and the outer sealing check ring is an annular rubber ring fixedly connected to the outer part of the first connecting pipe.
Through adopting above-mentioned technical scheme, annular rubber circle has certain elasticity, supports to enclose when pressing on outer sealing retainer ring when the external seal, receives the annular rubber circle after the extrusion and can produce certain elastic deformation, keeps extrusion elasticity, can increase the leakproofness that external seal retainer ring and external seal supported between the circle.
The utility model discloses further set up to: the end face, extending into the two ends of the connecting pipe, of the first connecting pipe is connected with an inner sealing abutting ring used for abutting against the inner sealing check ring, abutting faces used for abutting against each other are arranged on the inner sealing check ring and the inner sealing abutting ring, and the abutting faces are of a conical structure.
Through adopting above-mentioned technical scheme, the back is connected with connecting pipe two to connecting pipe one, and the interior sealed of connecting on the terminal surface of pipe supports the circle and supports with interior sealing ring and press each other, and interior sealing ring supports the face of pressing that supports of the toper slope between the circle with interior sealing ring can increase the area of contact that supports between the two to increase the inside medium of pipeline from supporting the path length that the infiltration passed through between the face.
The utility model discloses further set up to: the inner sealing abutting ring is made of elastic rubber, the inner sealing check ring is a stainless pipe, and a plurality of sealing bulges used for increasing the sealing performance between abutting surfaces are arranged on the abutting surfaces of the inner sealing check ring.
Through adopting above-mentioned technical scheme, the internal seal retaining ring is the stereoplasm structure that stainless steel material made, and the internal seal supports the soft construction that the circle adopted elastic rubber to make, adopts the structure that soft and stereoplasm combined together, can guarantee that both support each other and press the in-process can bear great pressure of supporting, and the face surface of supporting on the internal seal retaining ring is provided with sealed arch, and fine and close arch forms coarse matte, and is more stable with the smooth elastic rubber contact laminating in surface. If adopt two smooth surfaces inseparable relatively after the contact laminating, but when slight arch or sunken appear on smooth surface, will produce great influence to the leakproofness between them, lead to leaking, can guarantee to use both sealed degrees after wearing and tearing for a long time through smooth surface and the mutual cooperation of coarse hair side.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses a threaded connection's between connecting pipe one and connecting pipe two both sides set up interior retaining ring and external retaining ring, and the route that enters into in the middle of the thread gap to moisture, solution in the stainless steel carries out the separation, prevents that moisture, solution from producing the corruption influence to the screw thread department of stainless steel pipeline, has increased the anticorrosion function of pipeline.
Drawings
FIG. 1 is a schematic view of a connection structure of a first connection tube and a second connection tube in the present embodiment;
fig. 2 is an enlarged view of fig. 1 a of the present embodiment.
Reference numerals: 1. a first connecting pipe; 2. a second connecting pipe; 3. an external thread; 4. an internal thread; 5. an inner sealing abutting ring; 6. an inner sealing retainer ring; 7. an outer sealing retainer ring; 8. the outer sealing is against the circle; 9. sealing sleeves; 10. drying the granules; 11. a sealing connection ring; 12. pressing the surface; 13. and sealing the protrusion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a stainless steel pipe with anticorrosion function, as shown in fig. 1 and fig. 2, including a first connecting pipe 1 and a second connecting pipe 2, an external thread 3 is formed at one end of the first connecting pipe 1 through a threading die, an internal thread 4 is formed in the middle of an inner hole at one end of the second connecting pipe 2 through tapping, the first connecting pipe 1 is in threaded connection with the inside of the second connecting pipe 2, and the two form an integral structure.
An outer sealing check ring 7 is arranged outside the first connecting pipe 1, after the first connecting pipe 1 and the second connecting pipe 2 are in threaded connection, the surface of the second connecting pipe 2 and the outer sealing check ring 7 are mutually abutted, so that a structure with certain sealing performance is formed, an outer sealing abutment ring 8 for abutting against the outer sealing check ring 7 is arranged on the second connecting pipe 2, the outer sealing check ring 7 is an annular rubber ring and is fixedly connected outside the first connecting pipe 1, and the auxiliary abutting effect is achieved; when in connection, the outer sealing abutting ring 8 and the outer sealing check ring 7 are abutted and pressed with each other to form a structure with certain sealing performance, so that water outside the stainless steel pipe is prevented from entering a threaded connection gap to corrode a pipeline at a thread; the annular rubber ring has certain elasticity, can keep extrusion elasticity, can further increase the leakproofness between external sealing retaining ring 7 and the external sealing ring 8 that supports.
An inner sealing retainer ring 6 is arranged inside the first connecting pipe 1, one end of the first connecting pipe 1 extends into the second connecting pipe 2 and is pressed against the inner sealing retainer ring 6 inside the second connecting pipe 2, so that a structure with certain sealing performance is formed between the inner cavity of the pipeline and the threaded connection part, and liquid media inside the stainless steel pipe are prevented from entering the threaded connection part to corrode pipeline materials at the threaded part; and the end face of one end of the connecting pipe 1 extending into the connecting pipe 2 is connected with an inner sealing abutting ring 5, the inner sealing abutting ring 5 can play a role of abutting against the inner sealing retainer ring 6, abutting faces 12 for abutting against each other are arranged on the inner sealing retainer ring 6 and the inner sealing abutting ring 5, the abutting faces 12 are of conical structures, abutting contact areas between the two can be increased, the path length of media in the pipeline penetrating through the abutting faces 12 is increased, and the sealing performance of the thread position is further increased.
The inner sealing is to enclosing 5 and is elastic rubber, and inner sealing retaining ring 6 is the stainless steel tube, adopts the structure that soft and stereoplasm combined together, can guarantee that both support each other and press the in-process to bear great pressure, is provided with a plurality of sealed archs 13 that are used for increasing the leakproofness between the face 12 of supporting of inner sealing retaining ring 6 on the face 12 of supporting, and fine and close sealed archs 13 form coarse matte, and it is more stable to contact the laminating with the smooth elastic rubber in surface.
In order to increase the sealing performance of the external connection part of the first connecting pipe 1 and the second connecting pipe 2, a sealing sleeve 9 is sleeved outside the connection part of the first connecting pipe 1 and the second connecting pipe 2, and sealing connection rings 11 are respectively arranged at the connection parts of the sealing sleeve 9 and the first connecting pipe 1 and the second connecting pipe 2, so that one end of the sealing sleeve 9 is in interference fit with the first connecting pipe 1, and the other end of the sealing sleeve 9 is in interference fit with the second connecting pipe 2. Seal cover 9 can stably fix in the outside of stainless steel pipeline, can enter into the threaded connection seam to external environment when moisture liquid on the one hand, and on the other hand can increase the joint strength between connecting pipe 1 and the connecting pipe two 2.
The internal diameter of seal cover 9 is slightly bigger than nonrust steel pipe, forms sealed cavity between seal cover 9, connecting pipe 1 and connecting pipe two 2, and the moisture-proof granule that the inside silica gel dampproof agent of sealed cavity was made can absorb the inside moisture of infiltration seal cover 9 for the outside position of threaded connection department can keep the environment of relative drying, prevents the corruption of moisture to threaded connection department.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a nonrust steel pipe with anticorrosive function, includes connecting pipe one (1) and connecting pipe two (2), the inside of connecting pipe one (1) threaded connection at connecting pipe two (2), its characterized in that: the outside of connecting pipe (1) is equipped with external seal retaining ring (7), the inside of connecting pipe (1) is equipped with interior seal retaining ring (6), connecting pipe (1) and connecting pipe two (2) threaded connection back, connecting pipe one (1) and interior seal retaining ring (6) support to press to seal, connecting pipe two (2) and external seal retaining ring (7) support to press to seal, prevent that the inside and outside medium of stainless steel pipe from getting into threaded connection department.
2. The stainless steel pipe with corrosion prevention function according to claim 1, characterized in that: the sealing sleeve is sleeved at the joint of the first connecting pipe (1) and the second connecting pipe (2), a sealing sleeve (9) is sleeved at one end of the sealing sleeve (9) and is in interference fit with the first connecting pipe (1), the other end of the sealing sleeve is in interference fit with the second connecting pipe (2), and the sealing sleeve (9) and the joints of the first connecting pipe (1) and the second connecting pipe (2) are respectively provided with a sealing connecting ring (11) for increasing the sealing performance.
3. The stainless steel pipe with corrosion prevention function according to claim 2, characterized in that: a sealing cavity is formed among the sealing sleeve (9), the first connecting pipe (1) and the second connecting pipe (2), moisture-proof particles are filled in the sealing cavity, and the moisture-proof particles are silica gel moisture-proof agent particles.
4. The stainless steel pipe with corrosion prevention function according to claim 1, characterized in that: and the second connecting pipe (2) is provided with an outer sealing abutting ring (8) for abutting against the outer sealing retaining ring (7), and the outer sealing retaining ring (7) is an annular rubber ring fixedly connected to the outer part of the first connecting pipe (1).
5. The stainless steel pipe with corrosion prevention function according to claim 1, characterized in that: the connecting pipe I (1) stretches into the end face of one end of the connecting pipe II (2) and is connected with an inner sealing abutting ring (5) which is used for abutting against the inner sealing check ring (6), the inner sealing check ring (6) and the inner sealing abutting ring (5) are both provided with abutting surfaces (12) which are used for abutting against each other, and the abutting surfaces (12) are of conical structures.
6. The stainless steel pipe with corrosion prevention function according to claim 5, characterized in that: the inner sealing abutting ring (5) is made of elastic rubber, the inner sealing retainer ring (6) is a stainless pipe, and a plurality of sealing bulges (13) used for increasing the sealing performance between the abutting surfaces (12) are arranged on the abutting surfaces (12) of the inner sealing retainer ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599955.1U CN209818949U (en) | 2019-04-28 | 2019-04-28 | Stainless steel pipe with anticorrosion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599955.1U CN209818949U (en) | 2019-04-28 | 2019-04-28 | Stainless steel pipe with anticorrosion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818949U true CN209818949U (en) | 2019-12-20 |
Family
ID=68882017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920599955.1U Expired - Fee Related CN209818949U (en) | 2019-04-28 | 2019-04-28 | Stainless steel pipe with anticorrosion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879671A (en) * | 2021-01-18 | 2021-06-01 | 倪苏宁 | Roof pipeline structure is worn to foam concrete leak protection water |
-
2019
- 2019-04-28 CN CN201920599955.1U patent/CN209818949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879671A (en) * | 2021-01-18 | 2021-06-01 | 倪苏宁 | Roof pipeline structure is worn to foam concrete leak protection water |
| CN112879671B (en) * | 2021-01-18 | 2023-12-19 | 浙江常盛建材有限公司 | Foam concrete leakage-proof roof penetrating pipeline structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210428 |