CN204785269U - Vacuum insulation bellows - Google Patents
Vacuum insulation bellows Download PDFInfo
- Publication number
- CN204785269U CN204785269U CN201520300124.1U CN201520300124U CN204785269U CN 204785269 U CN204785269 U CN 204785269U CN 201520300124 U CN201520300124 U CN 201520300124U CN 204785269 U CN204785269 U CN 204785269U
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- layer
- bellows
- metal
- corrugated metal
- sleeve
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Abstract
The utility model relates to a vacuum insulation bellows, including corrugated metal pipe body, corrugated metal pipe body is by corrugated metal outside of tubes pipe layer (1), corrugated metal pipe inner tube layer (2) and vacuum layer (5) that set up between corrugated metal outside of tubes pipe layer (1) and corrugated metal pipe inner tube layer (2) constitute, the straight butt welding of corrugated metal pipe body has connect turn -ups sleeve (4), turn -ups sleeve (4) bilateral symmetry sets up in corrugated metal pipe body both ends, turn -ups sleeve (4) peripheral cover is equipped with loose flange (3), weld in the turn -ups department of turn -ups sleeve (4) loose flange (3), corrugated metal manages the body, the inboard of turn -ups sleeve (4) is provided with heat insulation layer (6), the peripheral cladding of heat insulation layer (6) has the flexible film (7) of aluminium foil paper, the utility model discloses not only blocked the heat ac loss, it is effectual to keep warm, moreover can be easy to assemble in need absorb the pipeline of vibrations to keep the bellows to absorb the effect of vibration.
Description
[technical field]
The utility model relates to Bellows Technology field, specifically a kind of vacuum heat-preserving bellows.
[background technique]
Metal bellows is a kind of tubing of wave sample of outer image rule, and it not only can compensate pipeline axial displacement and lateral displacement, can also absorb the dither that machinery causes, and makes to achieve flexible connected between pipeline and equipment.But metal bellows common at present, when carrying the material needing insulation, often easily dispels the heat, thus heat insulation effect when reducing conveying.
[model utility content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and provide a kind of vacuum heat-preserving bellows, heat A.C. losses are not only blocked, high insulating effect, and can be easily installed in and need in the pipeline of absorbing vibration, with the effect keeping bellows to absorb vibration.
Design a kind of vacuum heat-preserving bellows for achieving the above object, comprise wavy metal tube body, described metal bellows body comprises metal bellows external tube layer 1, in metal bellows, tube layer 2 and the vacuum layer 5 be arranged in metal bellows external tube layer 1 and metal bellows between tube layer 2 are formed, described metal bellows external tube layer 1, tube layer 2 in metal bellows, vacuum layer 5 is integral type structure, the flat end of described wavy metal tube body is welded with flange sleeve 4, described flange sleeve 4 is symmetrical set in wavy metal tube body two ends, described flange sleeve 4 outer race is provided with lap joint flange 3, described lap joint flange 3 is welded in the flange place of flange sleeve 4.
The inner side of described wavy metal tube body, flange sleeve 4 is provided with heat insulation layer 6, and the periphery of described heat insulation layer 6 is coated with aluminum foil paper fexible film 7.
Described flange sleeve 4 is provided with annular groove 8 with the flat end connection of wavy metal tube body, and the flat end embedded rings connected in star 8 of described wavy metal tube body is also welded as a whole with annular groove 8.
Described heat insulation layer 6 is ultra-fine fibre glass layer, foam layer or mineral cotton goods layer.
The metal wound gasket accompanying flexible graphite belt is adopted to seal between the flat end of described wavy metal tube body and flange sleeve 4.
The utility model compared with the existing technology, novel structure, simple, reasonable in design, by being by tube layer in metal bellows external tube layer, metal bellows by metal bellows body design and being arranged at the integral structure that the vacuum layer in metal bellows external tube layer and metal bellows between tube layer forms, and in metal bellows external tube layer, metal bellows, tube layer is thin metallic tubd, saves raw material, centre is provided with vacuum layer, thus blocked heat A.C. losses, high insulating effect; And be welded with flange sleeve under vacuum conditions at the two ends of wavy metal tube body, and on flange sleeve sheathed lap joint flange, then can be easily installed in needs in the pipeline of absorbing vibration; In addition, owing to being provided with heat insulation layer in wavy metal tube body, flange sleeve, and be coated with aluminum foil paper fexible film in the periphery of heat insulation layer, thus the utility model can be applied in the pipeline of the medium of conveying needs insulation, with the effect keeping bellows to absorb vibration, and assemble easy to maintenance, life of product is long, effectively prevent the loss flowing through bellows medium heat, improve heat transfer efficiency, ensure that delivered heat.
[accompanying drawing explanation]
Fig. 1 is the utility model vertical section structure schematic diagram one;
Fig. 2 is the utility model vertical section structure schematic diagram two;
Fig. 3 is the utility model vertical section structure schematic diagram three;
Fig. 4 is external structure schematic diagram of the present utility model;
In figure: 1, tube layer 3, lap joint flange 4, flange sleeve 5, vacuum layer 6, heat insulation layer 7, aluminum foil paper fexible film 8, annular groove in metal bellows external tube layer 2, metal bellows.
[embodiment]
Below in conjunction with accompanying drawing, following further illustrating is done to the utility model:
As shown in Figure 1, the utility model comprises: wavy metal tube body, metal bellows body comprises metal bellows external tube layer 1, in metal bellows, tube layer 2 and the vacuum layer 5 be arranged in metal bellows external tube layer 1 and metal bellows between tube layer 2 are formed, metal bellows external tube layer 1, tube layer 2 in metal bellows, vacuum layer 5 is integral type structure, the flat end of wavy metal tube body is welded with flange sleeve 4, flange sleeve 4 is symmetrical set in wavy metal tube body two ends, flange sleeve 4 outer race is provided with lap joint flange 3, lap joint flange 3 is welded in the flange place of flange sleeve 4.
As shown in Figure 2, the inner side of wavy metal tube body, flange sleeve 4 is provided with heat insulation layer 6, and the periphery of heat insulation layer 6 is coated with aluminum foil paper fexible film 7.Wherein, heat insulation layer 6 is ultra-fine fibre glass layer, foam layer or mineral cotton goods layer; The metal wound gasket accompanying flexible graphite belt is adopted to seal between the flat end of wavy metal tube body and flange sleeve 4.
As shown in Figure 3, for another embodiment of the present utility model, wherein, flange sleeve 4 is provided with annular groove 8 with the flat end connection of wavy metal tube body, the flat end of wavy metal tube body embeds in this annular groove 8, and is welded as a whole with annular groove 8, by designing this annular groove 8, then facilitate the location of flange sleeve 4, make its welding position more accurate.
The utility model relates to a kind of vacuum heat-preserving bellows, especially can carry the bellows of the medium needing insulation.By welding is passed through under vacuum conditions in wavy metal tube body two ends, tube layer in metal bellows external tube layer and metal bellows is linked into an integrated entity, by flange sleeve weld at wavy metal tube body two ends, flange sleeve is arranged with lap joint flange, thus is easily installed in and needs in the pipeline of absorbing vibration.In metal bellows external tube layer and metal bellows, tube layer is thin metallic tubd, conservation, and centre is provided with vacuum layer, then blocked heat A.C. losses, high insulating effect.
Wherein, thin metallic tubd is the double layer of metal bellows obtained by bellows forming die; by tube layer in metal bellows external tube layer and metal bellows by being welded to form an entirety; at bellows body two ends welding flange sleeve and lap joint flange; welding adopts the technique vacuumizing welding; ensure that bellows degree of vacuum between layers, thus make product obtain excellent heat insulation effect.
The utility model is not by the restriction of above-mentioned mode of execution; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (5)
1. a vacuum heat-preserving bellows, it is characterized in that: comprise wavy metal tube body, described metal bellows body comprises metal bellows external tube layer (1), in metal bellows, tube layer (2) and the vacuum layer (5) be arranged in metal bellows external tube layer (1) and metal bellows between tube layer (2) are formed, described metal bellows external tube layer (1), tube layer (2) in metal bellows, vacuum layer (5) is integral type structure, the flat end of described wavy metal tube body is welded with flange sleeve (4), described flange sleeve (4) is symmetrical set in wavy metal tube body two ends, described flange sleeve (4) outer race is provided with lap joint flange (3), described lap joint flange (3) is welded in the flange place of flange sleeve (4).
2. vacuum heat-preserving bellows as claimed in claim 1, it is characterized in that: the inner side of described wavy metal tube body, flange sleeve (4) is provided with heat insulation layer (6), the periphery of described heat insulation layer (6) is coated with aluminum foil paper fexible film (7).
3. vacuum heat-preserving bellows as claimed in claim 2, it is characterized in that: the flat end connection of described flange sleeve (4) and wavy metal tube body is provided with annular groove (8), the flat end embedded rings connected in star (8) of described wavy metal tube body is also welded as a whole with annular groove (8).
4. vacuum heat-preserving bellows as claimed in claim 3, is characterized in that: described heat insulation layer (6) is ultra-fine fibre glass layer, foam layer or mineral cotton goods layer.
5. vacuum heat-preserving bellows as claimed in claim 4, is characterized in that: adopt the metal wound gasket accompanying flexible graphite belt to seal between the flat end of described wavy metal tube body and flange sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300124.1U CN204785269U (en) | 2015-05-11 | 2015-05-11 | Vacuum insulation bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300124.1U CN204785269U (en) | 2015-05-11 | 2015-05-11 | Vacuum insulation bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785269U true CN204785269U (en) | 2015-11-18 |
Family
ID=54525318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520300124.1U Expired - Fee Related CN204785269U (en) | 2015-05-11 | 2015-05-11 | Vacuum insulation bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195492A (en) * | 2016-08-04 | 2016-12-07 | 段桂英 | A kind of high-pressure hose flanging joint and using method thereof |
| TWI608205B (en) * | 2016-09-01 | 2017-12-11 | Insulation pipe assembly and application thereof | |
| CN110578839A (en) * | 2019-08-30 | 2019-12-17 | 北京航天动力研究所 | vacuum heat insulation metal hose for conveying liquid hydrogen and liquid oxygen |
-
2015
- 2015-05-11 CN CN201520300124.1U patent/CN204785269U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195492A (en) * | 2016-08-04 | 2016-12-07 | 段桂英 | A kind of high-pressure hose flanging joint and using method thereof |
| TWI608205B (en) * | 2016-09-01 | 2017-12-11 | Insulation pipe assembly and application thereof | |
| CN110578839A (en) * | 2019-08-30 | 2019-12-17 | 北京航天动力研究所 | vacuum heat insulation metal hose for conveying liquid hydrogen and liquid oxygen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |