CN216743444U - Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting - Google Patents
Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting Download PDFInfo
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- CN216743444U CN216743444U CN202123455490.9U CN202123455490U CN216743444U CN 216743444 U CN216743444 U CN 216743444U CN 202123455490 U CN202123455490 U CN 202123455490U CN 216743444 U CN216743444 U CN 216743444U
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Abstract
An anticorrosion heat-preservation stainless steel clamping-pressing type pipe fitting comprises a pipe fitting main body and an anticorrosion heat-preservation sleeve, wherein the anticorrosion heat-preservation sleeve comprises an outer sheath, an inner bushing and a heat-preservation layer clamped between the outer sheath and the inner bushing, and the inner bushing is sleeved on the pipe fitting main body; the outer wall of the inner lining is provided with a plurality of circles of first flanges and first grooves, the inner wall of the heat preservation layer is provided with second grooves matched with the first flanges and second flanges matched with the first grooves, and the outer sheath is sleeved outside the heat preservation layer. According to the utility model, the anti-corrosion heat-insulation sleeve is sleeved outside the pipe fitting main body, so that the pipe fitting main body can be subjected to anti-corrosion and heat-insulation effects. Simultaneously, under the cooperation of first flange and second recess and second flange and first recess for heat preservation and pipe fitting main part form spacing effect mutually after the assembly, take place the condition that slides, takes off the branch with the pipe fitting main part to the neck bush.
Description
Technical Field
The utility model relates to the technical field of pipe fittings, in particular to an anticorrosive heat-insulating stainless steel clamping-pressing type pipe fitting.
Background
The pipe fitting is a part for connecting pipes into a pipeline, and plays roles in connection, control, turning, diversion, sealing, supporting and the like in a pipeline system. Common pipe fittings can be divided into a two-way pipe, a three-way pipe, a four-way pipe and the like according to pipeline branches, are generally divided into a straight-through pipe, a bent-through pipe and the like according to the direction of the pipe, are divided into a reducer pipe, a reducing pipe, a branch pipe table and the like for changing the pipe diameter of the pipe, and are used for fixing the pipe fittings, such as a bracket, a snap ring and the like.
Description of corrosion phenomena of pipelines corrosion is understood to be a chemical reaction of a material in the environment in which it is located, which reaction leads to loss of the pipeline material and to failure of pipeline components and even of the entire pipeline system, in which corrosion is defined as chemical reactions, electrochemical reactions and microbial attacks that occur in all metallic and non-metallic materials of the pipeline system, which reactions can lead to damage and loss of pipeline structure and other materials, based on the specific pipeline environment, and in addition to direct damage of the material by corrosion, damage to the pipeline caused by corrosion products can also be regarded as corrosion damage. The pipeline is in the process of transportation, storage and installation, and the pipeline takes place to collide with the wearing and tearing with external object easily, leads to the pipeline to lead to factors such as soil, humid air to lead to the pipeline to have the problem of corruption destruction easily.
The heat-insulating joint pipe fitting is used for conveying liquid, gas and other media and connecting heat-insulating engineering heat-insulating pipelines of pipelines in petroleum, chemical engineering, aerospace, central heating, central air conditioning, municipal administration and the like. The heat-insulating joint pipe fitting generally comprises a working steel pipe, a heat-insulating layer and a protective shell, wherein the working steel pipe is respectively a seamed steel pipe, a seamless steel pipe and a double-sided submerged arc spiral welded steel pipe according to the technical requirements of a conveying medium.
The pipe fitting integrates corrosion resistance and thermal insulation performance, belongs to a high-end product in the pipe fitting, and can deal with various severe external environments to ensure normal flow and transportation of internal fluid.
One kind of current anticorrosive heat preservation pipe fitting of one kind, like patent document CN213929772U, disclosed a hot water engineering pipeline anticorrosive insulation construction, relate to anticorrosive engineering, aim at solving the pipeline and take place to collide with wearing and tearing easily with external object, lead to having the problem of corruption destruction under the pipeline external factor, its technical scheme main points are: including a plurality of I-shaped spare that are used for bonding with the pipeline, the both ends of I-shaped spare are the arc, are equipped with the outer anticorrosive subassembly that keeps warm of cover locating the pipeline between the adjacent I-shaped spare, foam glass board, cement foaming board and the polyurethane board that the anticorrosive subassembly that keeps warm connected gradually, and adjacent polyurethane board overcoat is equipped with can dismantle the hoop of being connected with I-shaped spare. The inner wall of the pipe fitting is in a smooth cylindrical shape, so that a certain gap exists between the pipe fitting and the pipe fitting in the use process, particularly after the pipe fitting is aged for a period of time, and the conditions of sliding and separation occur, so that the corrosion resistance and the heat insulation performance are greatly reduced. Therefore, a new solution is needed to solve the problems in the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an anticorrosive heat-preservation stainless steel clamping and pressing type pipe fitting.
The technical scheme for solving the technical problem is as follows: an anticorrosion heat-preservation stainless steel clamping-pressing type pipe fitting comprises a pipe fitting main body and an anticorrosion heat-preservation sleeve, wherein the anticorrosion heat-preservation sleeve comprises an outer sheath, an inner bushing and a heat-preservation layer clamped between the outer sheath and the inner bushing, and the inner bushing is sleeved on the pipe fitting main body;
the heat-insulating layer is characterized in that a plurality of circles of first flanges and first grooves are arranged on the outer wall of the inner lining, a second groove matched with the first flanges and a second flange matched with the first groove are formed in the inner wall of the heat-insulating layer, and the outer sheath is sleeved outside the heat-insulating layer.
The technical scheme is further set as follows: the outer sheath comprises a first half sheath and a second half sheath, one end of the first half sheath is hinged with the second half sheath, and the other end of the first half sheath is detachably connected with the second half sheath through a locking structure.
The technical scheme is further set as follows: the locking structure comprises a lock catch arranged on the first half sheath and a lock bolt arranged on the second half sheath, and when the first half sheath and the second half sheath are folded, the lock catch can be buckled into the lock bolt.
The technical scheme is further set as follows: the anti-corrosion heat-insulation sleeve further comprises a closed end cover, an installation gap is formed between the inner lining and the pipe fitting main body, the closed end cover is sleeved on the pipe fitting main body and abutted against the end portion of the inner lining, and the closed end cover is abutted against the outer wall of the pipe fitting main body so as to seal the installation gap.
The technical scheme is further set as follows: the closed end cover is a sealing rubber end cover.
The technical scheme is further set as follows: the end part of the outer sheath is provided with a mounting groove, and the sealing rubber end cover is embedded in the mounting groove.
The technical scheme is further set as follows: and magnetic parts are arranged on the end parts of the first half sheath and the second half sheath close to the locking structure.
The technical scheme is further set as follows: anaerobic adhesive layers are coated on the inner wall and the outer wall of the heat-insulating layer.
The technical scheme is further set as follows: and a honeycomb reinforcing net made of stainless steel is sleeved on the periphery of the heat-insulating layer.
The technical scheme is further set as follows: the heat preservation layer is one or more of PU heat preservation foam, PE heat preservation foam, EPE heat preservation foam, PORON heat preservation foam, CR heat preservation foam, EVA heat preservation foam, SBR heat preservation foam and EPDM heat preservation foam.
The use mode of the utility model is as follows: during assembly, the pipe fitting main body is placed on the second half sheath firstly, then the first half sheath is turned to enable the second half sheath and the first half sheath to be folded, the lock catch is buckled into the lock bolt, and meanwhile, the pipe fitting main body is effectively wrapped under the matching of the inner lining and the heat insulation layer, so that the functions of corrosion prevention and heat insulation are achieved. When the pipe fitting is disassembled, the lock catch is withdrawn from the lock bolt, one of the first half sheath and the second half sheath is opened relative to the other one, the pipe fitting main body can be exposed, then the outer sheath can be directly taken down, and the disassembling function is realized.
The utility model has the beneficial effects that: the pipe fitting main part is externally sleeved with the anti-corrosion heat-insulation sleeve, so that the pipe fitting main part can be prevented from being corroded and insulated. Simultaneously, under the mating reaction of first flange and second recess and second flange and first recess for heat preservation and pipe fitting main part form spacing effect mutually after the assembly, take place the condition that slides, takes off the branch in order to prevent the relative pipe fitting main part of neck bush, and then guarantee that anticorrosive insulation cover forms long-time effectual safeguard function to the specific part of pipe fitting main part.
Drawings
Fig. 1 is a schematic structural view of the first embodiment (the outer sheath is in an open state).
Fig. 2 is a schematic structural view of the first embodiment (the closed state of the outer sheath).
Fig. 3 is an exploded view of the first embodiment.
FIG. 4 is a sectional view of the second embodiment.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
Referring to fig. 1 to 3, an anticorrosion heat-insulation stainless steel clamping-pressing type pipe fitting comprises a pipe fitting main body 1 and an anticorrosion heat-insulation sleeve, wherein the anticorrosion heat-insulation sleeve comprises an outer sheath 2, an inner bushing 3 and a heat-insulation layer 4 clamped between the outer sheath 2 and the inner bushing 3, and the inner bushing 3 is sleeved on the pipe fitting main body 1;
the outer wall of the inner bushing 3 is provided with a plurality of circles of first flanges 5 and first grooves 6, the inner wall of the heat-insulating layer 4 is provided with second grooves 7 matched with the first flanges 5 and second flanges 8 matched with the first grooves 6, and the outer sheath 2 is sleeved outside the heat-insulating layer 4.
The above contents are the basic scheme of the utility model, and the pipe fitting main body 1 is externally sleeved with the anti-corrosion heat-insulation sleeve, so that the pipe fitting main body 1 can play the roles of corrosion resistance and heat insulation. Simultaneously, a matching structure (a first flange 5 and a second groove 7, a second flange 8 and a first groove 6) is formed between the inner liner 3 and the heat preservation layer 4, so that the inner liner and the heat preservation layer form a mutual limiting effect after assembly, the conditions that the inner liner 3 slides and separates relative to the pipe fitting main body 1 are prevented, and the long-time effective protection function of the specific part of the pipe fitting main body 1 by the anticorrosive heat preservation sleeve is further ensured.
Most of the existing sheath structures are disposable, namely destructive treatment is needed when the sheath structures are taken down, on one hand, the sheath structures are troublesome to assemble and need to be sleeved on the pipe fitting main body 1 in a hard manner; on the other hand, the material can not be reused after being dismantled, thereby causing resource waste and having higher use cost. In order to solve the above drawbacks, a preferred solution is provided herein, specifically: the outer sheath 2 comprises a first half sheath 9 and a second half sheath 10, one end of the first half sheath 9 is hinged with the second half sheath 10, and the other end of the first half sheath 9 is detachably connected with the second half sheath 10 through a locking structure 11. By adopting the preferred scheme, the two can move relatively to realize the folding or separating action. During assembly, the pipe fitting body 1 is placed on the second half sheath 10, and then the first half sheath 9 is turned over to enable the two to be folded. When the pipe fitting is disassembled, one of the first half sheath 9 and the second half sheath 10 is opened relative to the other, so that the pipe fitting main body 1 can be exposed, and then the outer sheath 2 is taken down, so that the disassembling action can be realized. The outer sheath 2 consisting of the first half sheath 9 and the second half sheath 10 is adopted, so that the disassembly and the assembly are very convenient and fast, the repeated disassembly and the assembly can be realized, and the effects of cost reduction and efficiency improvement can be realized.
The technical scheme is further set as follows: the locking structure 11 comprises a latch 12 arranged on the first half sheath 9 and a latch 13 arranged on the second half sheath 10, and when the first half sheath 9 and the second half sheath 10 are folded, the latch 12 can be latched into the latch 13.
In this embodiment, the magnetic attraction component 14 is disposed on the end portions of the first half sheath 9 and the second half sheath 10 close to the locking structure 11. Through the setting of part 14 is inhaled to magnetism, when first half sheath 9 is close to second half sheath 10, can be through magnetic force with both direct absorption together, play an effect of pre-connection, cooperation locking structure 11 for oversheath 2 uses more reliable and stable under the state of closing up.
The technical scheme is further set as follows: and anaerobic adhesive layers are coated on the inner wall and the outer wall of the heat-insulating layer 4. The anaerobic adhesive has the advantages of normal temperature curing, relatively small volume shrinkage during curing, good heat resistance, good chemical resistance, vibration resistance, good impact resistance, stable storage, no curing of overflowing parts, easy cleaning and the like. Therefore, the use of the anaerobic adhesive layer enables the connection between the pipe fitting body 1 and the heat insulation layer 4 to be tighter and provides better sealing performance.
In some embodiments of the present invention, the insulation layer 4 is one or more of PU insulation foam, PE insulation foam, EPE insulation foam, PORON insulation foam, CR insulation foam, EVA insulation foam, SBR insulation foam, and EPDM insulation foam.
The heat-insulating layer 4 in the above content is soft in texture and unstable in shape, and is easy to deform under pressure in the use process to reduce the use effect. In order to enable the heat insulation layer 4 to always have a better working shape, a honeycomb-shaped reinforcing mesh 15 made of stainless steel is sleeved on the periphery side of the heat insulation layer 4.
Example two
The inner bushing 3 and the pipe fitting main body 1 are limited by the machining size tolerance and the assembly tolerance of the parts, an installation gap 16 is formed between the inner bushing 3 and the pipe fitting main body 1, and due to the installation gap 16, external substances can contact the pipe fitting main body 1 inside through the installation gap 16, so that the corrosion prevention and heat preservation effects are greatly influenced. The solution provided by the embodiment is as follows: referring to fig. 4 to 5, the corrosion-resistant insulating sleeve further includes a closed end cover 17, the closed end cover 17 is sleeved on the pipe fitting main body 1 and abuts against an end of the inner bushing 3, and the closed end cover 17 is further abutted against an outer wall of the pipe fitting main body 1. By arranging the closed end cover 17, the mounting gap 16 can be sealed, and the phenomenon that external substances enter the pipe fitting main body 1 to cause pollution is avoided.
The technical scheme is further set as follows: the closed end cover 17 is a sealing rubber end cover, and can play a better sealing role in use. Further, because the material of the sealing rubber end cover is different from that of the outer sheath 2, the sealing rubber end cover and the outer sheath cannot be integrally formed during processing, and a preferred mounting mode of the sealing rubber end cover is provided, specifically: the end part of the outer sheath 2 is provided with a mounting groove 18, and the sealing rubber end cover is embedded in the mounting groove 18.
The pipe fitting body 1 of the present invention may be a single continuous pipe fitting, or may be a connection portion of a plurality of pipe fittings, etc., and is not particularly limited herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an anticorrosive heat preservation stainless steel card pressure formula pipe fitting, includes pipe fitting main part and anticorrosive insulation cover, its characterized in that: the anti-corrosion heat-insulation sleeve comprises an outer sheath, an inner bushing and a heat-insulation layer clamped between the outer sheath and the inner bushing, and the inner bushing is sleeved on the pipe fitting main body;
the heat-insulating layer is characterized in that a plurality of circles of first flanges and first grooves are arranged on the outer wall of the inner lining, a second groove matched with the first flanges and a second flange matched with the first groove are formed in the inner wall of the heat-insulating layer, and the outer sheath is sleeved outside the heat-insulating layer.
2. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 1, characterized in that: the outer sheath comprises a first half sheath and a second half sheath, one end of the first half sheath is hinged with the second half sheath, and the other end of the first half sheath is detachably connected with the second half sheath through a locking structure.
3. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 2, characterized in that: the locking structure comprises a lock catch arranged on the first half sheath and a lock bolt arranged on the second half sheath, and when the first half sheath and the second half sheath are folded, the lock catch can be buckled into the lock bolt.
4. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 2, characterized in that: the anti-corrosion heat-insulation sleeve further comprises a closed end cover, an installation gap is formed between the inner lining and the pipe fitting main body, the closed end cover is sleeved on the pipe fitting main body and abutted against the end portion of the inner lining, and the closed end cover is abutted against the outer wall of the pipe fitting main body to seal the installation gap.
5. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 4, characterized in that: the closed end cover is a sealing rubber end cover.
6. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 5, characterized in that: the end part of the outer sheath is provided with a mounting groove, and the sealing rubber end cover is embedded in the mounting groove.
7. The corrosion-resistant heat-insulating stainless steel clamp-pressing type pipe fitting according to claim 2, characterized in that: and magnetic parts are arranged on the end parts of the first half sheath and the second half sheath close to the locking structure.
8. The corrosion-resistant heat-insulating stainless steel clamping and pressing type pipe fitting according to claim 1, characterized in that: anaerobic adhesive layers are coated on the inner wall and the outer wall of the heat-insulating layer.
9. The corrosion-resistant heat-insulating stainless steel clamp-pressing type pipe fitting according to claim 1, characterized in that: the periphery of the heat-insulating layer is also sleeved with a honeycomb-shaped reinforcing net made of stainless steel.
10. The corrosion-resistant heat-insulating stainless steel clamp-press type pipe fitting according to any one of claims 1 to 9, characterized in that: the heat preservation layer is one or more of PU heat preservation foam, PE heat preservation foam, EPE heat preservation foam, PORON heat preservation foam, CR heat preservation foam, EVA heat preservation foam, SBR heat preservation foam and EPDM heat preservation foam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455490.9U CN216743444U (en) | 2021-12-31 | 2021-12-31 | Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123455490.9U CN216743444U (en) | 2021-12-31 | 2021-12-31 | Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting |
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| CN216743444U true CN216743444U (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091124A (en) * | 2022-06-16 | 2022-09-23 | 福建省中能泰丰节能环保科技有限公司 | Forming process of heat preservation module with single-side metal protection |
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2021
- 2021-12-31 CN CN202123455490.9U patent/CN216743444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091124A (en) * | 2022-06-16 | 2022-09-23 | 福建省中能泰丰节能环保科技有限公司 | Forming process of heat preservation module with single-side metal protection |
| CN115091124B (en) * | 2022-06-16 | 2023-12-22 | 福建省中能泰丰节能环保科技有限公司 | Forming process of single-sided metal-protected heat-insulation module |
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