CN213745540U - Corrosion prevention device for connecting end face of composite pipeline groove lined with stainless steel - Google Patents
Corrosion prevention device for connecting end face of composite pipeline groove lined with stainless steel Download PDFInfo
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- CN213745540U CN213745540U CN202022308628.1U CN202022308628U CN213745540U CN 213745540 U CN213745540 U CN 213745540U CN 202022308628 U CN202022308628 U CN 202022308628U CN 213745540 U CN213745540 U CN 213745540U
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Abstract
The utility model relates to the technical field of water pipe connection, and discloses a connecting end surface anti-corrosion device for a lining stainless steel composite pipeline groove, which comprises a thin-wall stainless steel connecting framework and two elastic sealing bodies, wherein the thin-wall stainless steel connecting framework is arranged between two lining stainless steel composite pipelines and comprises a thin-wall sleeve and a radially outwards-protruded supporting ring which is formed in the middle of the thin-wall sleeve; the elastic sealing body comprises an integrally formed circular ring and an axially convex taper sleeve; the taper sleeve of each elastic sealing body is inserted and sleeved at the end part of a corresponding lining stainless steel composite pipeline, the circular ring of each elastic sealing body is clamped between the end surface of the corresponding lining stainless steel composite pipeline and the support ring, and the thin-wall sleeve is inserted and sleeved in the taper sleeve. The pipeline sealing structure can ensure the large drift diameter of the pipeline and the rigidity of the elastic sealing body on the premise of achieving the end face corrosion prevention, and meanwhile, the pipeline sealing structure is convenient to install and has a better corrosion prevention effect.
Description
The technical field is as follows:
the utility model relates to a water piping connection technical field, concretely relates to terminal surface corrosion prevention device is connected to compound pipeline slot of inside lining stainless steel.
Background art:
after the stainless steel lined composite pipeline is cut in use, the end face is exposed, and the double-layer metal is easy to generate electrochemical corrosion in a fluid medium. The corrosion prevention of the connecting end surface of the groove of the stainless steel pipe lined with the lining is usually carried out by adopting a mode of installing an end surface corrosion prevention sleeve. The end surface anti-corrosion sleeve usually adopts an elastic sealing body, and the whole thickness of the end surface anti-corrosion sleeve is thinner due to the limitation of a gap between two pipelines when the grooves are connected, but the end surface anti-corrosion sleeve is inconvenient to install due to insufficient rigidity. And under the condition of being impacted by high-speed fluid, the anti-corrosion sleeve is easy to lose efficacy, and the structure is shown in figure 1;
in order to facilitate installation, the rigidity of the anti-corrosion sleeve is enhanced (namely the outer diameter of the part, inserted into the composite pipe, of the anti-corrosion sleeve is reduced, but the wall thickness of the anti-corrosion sleeve is increased), but the integral drift diameter of the pipeline is reduced, and the water conveying efficiency is reduced.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a terminal surface corrosion prevention device is connected to inside lining stainless steel composite pipe groove, and it can both guarantee the big latus rectum of pipeline under the anticorrosive prerequisite of terminal surface reaching, has also guaranteed elastic sealing body's rigidity, and its easy to assemble simultaneously, and anticorrosive effect is better.
The utility model provides a technical problem's scheme is:
a connecting end face anticorrosion device for a groove of a lining stainless steel composite pipeline comprises a thin-wall stainless steel connecting framework and two elastic sealing bodies, wherein the thin-wall stainless steel connecting framework is arranged between two lining stainless steel composite pipelines and comprises a thin-wall sleeve and a radially convex supporting ring formed in the middle of the thin-wall sleeve;
the elastic sealing body comprises an integrally formed circular ring and an axially convex taper sleeve;
the taper sleeve of each elastic sealing body is inserted and sleeved at the end part of a corresponding lining stainless steel composite pipeline, the circular ring of each elastic sealing body is clamped between the end surface of the corresponding lining stainless steel composite pipeline and the support ring, and the thin-wall sleeve is inserted and sleeved in the taper sleeve.
The taper sleeve is clamped between the outer wall of the thin-wall sleeve and the inner wall of the end part of the stainless steel lined composite pipeline.
The end of the taper sleeve is formed with a round angle.
The end parts of the lining stainless steel composite pipelines are formed with grooves, and the groove hoops fixedly connect the two lining stainless steel composite pipelines through the grooves.
The taper of the inner wall of the taper sleeve is larger than that of the outer wall of the taper sleeve.
The utility model discloses an outstanding effect is:
compared with the prior art, the pipeline sealing device has the advantages that the large drift diameter of the pipeline can be guaranteed on the premise that the end face is anti-corrosive, the rigidity of the elastic sealing body is also guaranteed, meanwhile, the pipeline sealing device is convenient to install, and the anti-corrosive effect is better.
Description of the drawings:
FIG. 1 is a schematic diagram of a first assembly of a stainless steel lined composite pipe and an end face corrosion protection sleeve (thin, poor stiffness) according to the prior art;
FIG. 2 is a schematic diagram of a second assembly of a stainless steel lined composite pipe and an end face corrosion prevention sleeve (thick and rigid) in the prior art;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is an exploded view of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 3-4, an anticorrosion device for a groove connecting end surface of a lining stainless steel composite pipeline comprises a thin-wall stainless steel connecting framework 2 and two elastic sealing bodies 3, wherein the thin-wall stainless steel connecting framework 2 is arranged between two lining stainless steel composite pipelines 1, and the thin-wall stainless steel connecting framework 2 comprises a thin-wall sleeve 21 and a radially outwards protruding supporting ring 22 formed in the middle of the thin-wall sleeve 21;
the elastic sealing body 3 comprises an integrally formed circular ring 31 and an axially convex taper sleeve 32;
the taper sleeve 32 of each elastic sealing body 3 is inserted and sleeved at the end part of a corresponding lined stainless steel composite pipeline 1, the circular ring 31 of each elastic sealing body 3 is clamped between the end surface of the corresponding lined stainless steel composite pipeline 1 and the supporting ring 22, and the thin-walled sleeve 21 is inserted and sleeved in the taper sleeve 32.
Furthermore, the taper sleeve 32 is clamped between the outer wall of the thin-walled sleeve 21 and the inner wall of the end portion of the stainless steel-lined composite pipe 1.
Furthermore, the end of the taper sleeve 32 is formed with a rounded corner 321.
Furthermore, the end of the stainless steel lined composite pipe 1 is formed with a groove 11, and the groove clamp fixedly connects the two stainless steel lined composite pipes 1 through the groove 11.
Furthermore, the taper of the inner wall of the taper sleeve 32 is larger than that of the outer wall of the taper sleeve 32.
Assembling: firstly, the taper sleeves 32 of the two elastic sealing bodies 3 are respectively inserted and sleeved at the end parts of the two lining stainless steel composite pipelines 1, the taper of the outer walls of the taper sleeves 32 is convenient to insert into the lining stainless steel composite pipelines 1, and the taper of the inner walls of the taper sleeves 32 can play a role in sealing when the thin-wall stainless steel connecting framework 2 is inserted;
secondly, one end of the thin-wall sleeve 21 of the thin-wall stainless steel connecting framework 2 is inserted and sleeved in the taper sleeve 32 of the elastic sealing body 3 on one lining stainless steel composite pipeline 1, the taper sleeve 32 of the elastic sealing body 3 of the other lining stainless steel composite pipeline 1 is inserted and sleeved at the other end of the thin-wall sleeve 21 of the thin-wall stainless steel connecting framework 2, and the taper sleeve 32 is tightly clamped between the inner wall of the lining stainless steel composite pipeline 1 and the outer wall of the thin-wall sleeve under extrusion deformation;
thirdly, the two stainless steel lined composite pipes 1 are fixedly connected through the grooves and hoops, and the circular rings 31 of the two elastic sealing bodies 3 are driven to be tightly abutted together, so that a good corrosion prevention effect is achieved.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides a terminal surface anticorrosive device is connected to compound pipeline slot of inside lining stainless steel, connects skeleton (2) and two elastic sealing body (3) including the thin wall stainless steel that sets up between two compound pipeline of inside lining stainless steel (1), its characterized in that: the thin-wall stainless steel connecting framework (2) comprises a thin-wall sleeve (21) and a radial convex supporting ring (22) formed in the middle of the thin-wall sleeve (21);
the elastic sealing body (3) comprises an integrally formed circular ring (31) and an axially convex taper sleeve (32);
the taper sleeve (32) of each elastic sealing body (3) is inserted and sleeved at the end of a corresponding lining stainless steel composite pipeline (1), the circular ring (31) of each elastic sealing body (3) is clamped between the end face of the corresponding lining stainless steel composite pipeline (1) and the support ring (22), and the thin-wall sleeve (21) is inserted and sleeved in the taper sleeve (32).
2. The corrosion prevention device for the groove connecting end surface of the stainless steel lined composite pipeline according to claim 1, is characterized in that: the taper sleeve (32) is clamped between the outer wall of the thin-wall sleeve (21) and the inner wall of the end part of the stainless steel lined composite pipeline (1).
3. The corrosion prevention device for the groove connecting end surface of the stainless steel lined composite pipeline according to claim 1, is characterized in that: the end part of the taper sleeve (32) is formed with a round angle (321).
4. The corrosion prevention device for the groove connecting end surface of the stainless steel lined composite pipeline according to claim 1, is characterized in that: the end part of the lining stainless steel composite pipeline (1) is formed with a groove (11), and the groove hoop fixedly connects the two lining stainless steel composite pipelines (1) through the groove (11).
5. The corrosion prevention device for the groove connecting end surface of the stainless steel lined composite pipeline according to claim 1, is characterized in that: the taper of the inner wall of the taper sleeve (32) is larger than that of the outer wall of the taper sleeve (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308628.1U CN213745540U (en) | 2020-10-16 | 2020-10-16 | Corrosion prevention device for connecting end face of composite pipeline groove lined with stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308628.1U CN213745540U (en) | 2020-10-16 | 2020-10-16 | Corrosion prevention device for connecting end face of composite pipeline groove lined with stainless steel |
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| CN213745540U true CN213745540U (en) | 2021-07-20 |
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| CN202022308628.1U Active CN213745540U (en) | 2020-10-16 | 2020-10-16 | Corrosion prevention device for connecting end face of composite pipeline groove lined with stainless steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915429A (en) * | 2021-11-08 | 2022-01-11 | 浙江金洲管道科技股份有限公司 | Built-in combined protective sleeve for steel-plastic pipe clamp connection joint |
-
2020
- 2020-10-16 CN CN202022308628.1U patent/CN213745540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915429A (en) * | 2021-11-08 | 2022-01-11 | 浙江金洲管道科技股份有限公司 | Built-in combined protective sleeve for steel-plastic pipe clamp connection joint |
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