CN103644404A - Sealing connection structure used for pipeline through hole in vacuum flat plate collector - Google Patents
Sealing connection structure used for pipeline through hole in vacuum flat plate collector Download PDFInfo
- Publication number
- CN103644404A CN103644404A CN201310648794.8A CN201310648794A CN103644404A CN 103644404 A CN103644404 A CN 103644404A CN 201310648794 A CN201310648794 A CN 201310648794A CN 103644404 A CN103644404 A CN 103644404A
- Authority
- CN
- China
- Prior art keywords
- cavity
- hole
- flow passage
- metal flow
- wall joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000011253 protective coating Substances 0.000 claims description 10
- 230000001603 reducing effect Effects 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 229920001971 elastomer Polymers 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to a sealing connection structure used for a pipeline through hole in a vacuum flat plate collector. The sealing connection structure comprises a cavity and a metal runner formed in the cavity, and a flange connector and a wall-penetrating connector are arranged in the joint position of the metal runner and the cavity, made of metal and connected in a threaded mode; the metal runner is connected with the wall-penetrating connector in a sealed mode, a flange plate is arranged on the flange connector, a sealing groove is formed in the inner side of the flange plate, an O-ring is arranged in the sealing groove, the flange connector moves on the wall-penetrating connector until the O-ring is respectively tightly attached to the flange plate and the cavity, and a thermal insulation layer is arranged between the radial side wall of the wall-penetrating connector and the cavity. The sealing connection structure is simple in structure and reasonable in design, the thermal insulation sealing mode is designed for the pipeline through hole position of the vacuum flat plate collector, namely the joint position of the metal runner and the cavity, according to the method, the requirement for vacuum can be met while thermal insulation is achieved, air is effectively prevented from entering the collector, so that the vacuum degree is kept, and the sealing connection structure has great practical value.
Description
Technical field
The present invention relates to a kind of Hermetical connecting structure for vacuum type flat plate collector pipeline through hole.
Background technique
In known technical field, flat plate collector lacks application at present aspect middle high temperature, because its thermal efficiency at middle high temperature is far below vacuum tube, if flat plate collector can be vacuumized, the thermal efficiency of flat plate collector will be improved greatly, and to maintain the degree of vacuum of flat plate collector, and a kind of reliable sealing configuration and method must be provided, reduce air permeability.As shown in Figure 1, the flat plate collector of vacuum type generally forms by glass cover-plate 1, heat absorption plate 2, metal flow passage 3, cavity 5 and through the supporting post 4 of heat absorption plate through hole 21, cavity can be selected the materials such as aluminum alloy, stainless steel, can be welded to form, and also can integral body be stamped to form.Vacuum type flat plate collector is because thermal efficiency is high, and the heat medium temperature in metal flow passage 3 is also higher, for this reason, when metal flow passage 3 penetrates the position 6, through hole of cavity 5, need to be effectively heat insulation, reduce cavity 5 and conduct with the heat of thermal medium.This just requires the SEALING FITTING of selecting low thermal conductivity material to make, as rubber, but due to heat collector inner vacuum, the air penetrability of rubber material itself and gas efficiency are all higher, be difficult to meet tightness requirement, the intensity of rubber product is lower simultaneously, is difficult to closely touch heat collector cavity.Therefore, in pipeline through hole, should meet heat insulation requirement, meet again tightness and requirement of strength, could finally realize the vacuum function of vacuum type flat plate collector.
Summary of the invention
The technical problem to be solved in the present invention is: for the problems referred to above, utilize the combination of metal joint and rubber material that a kind of heat conduction that can effectively reduce frame and thermal medium is provided, meet airtight sealing and require, can prevent that air from entering the Hermetical connecting structure of the vacuum type flat-plate heat collector pipeline through hole of heat collector inside.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole, comprise the metal flow passage in cavity and cavity, the junction point of described metal flow passage and cavity be provided be metal flanged joint and be threaded with it wear wall joint, described metal flow passage with wear wall joint sealing and fix, described flanged joint is provided with flange plate, the inner side of flange plate is provided with sealed groove, and in sealed groove, be provided with O RunddichtringO, described flanged joint wear on wall joint, move until O RunddichtringO respectively with flange plate, cavity fits tightly, between the sidewall making progress in described footpath of wearing wall joint and cavity, be provided with thermal-protective coating.
Further, as a kind of concrete structural type, flanged joint of the present invention is in the outside of cavity, is provided with and the fastening of wearing wall joint screw thread and being connected in the inner side of cavity, between described fastening and cavity, is provided with thermal-protective coating.
Further, as a kind of concrete structural type, flanged joint of the present invention is in the inner side of cavity, is provided with and the fastening of wearing wall joint screw thread and being connected in the outside of cavity, between described fastening and cavity, is provided with thermal-protective coating.
Further, as a kind of concrete structural type, the present invention is equipped with flanged joint in the interior outside of described cavity.
Further, as a kind of concrete structural type, the O RunddichtringO of the present invention between described cavity and flange plate is provided with adhesive layer around.
Further, as a kind of concrete structural type, one end of flanged joint of the present invention with wear wall joint welded seal.
Further, as a kind of concrete structural type, the present invention is provided with in described end of wearing wall joint radially towards the metal flow passage birdsmouth of external expansion, and described metal flow passage is inserted in metal flow passage birdsmouth and fixes with the inwall welded seal of metal flow passage birdsmouth.
Further, as a kind of concrete structural type, the present invention is provided with radially the reducing of expansion inwardly in the end of described metal flow passage, and described reducing is inserted in also welded seal with it the end of wearing wall joint in and fixes.
Further, as a kind of concrete structural type, metal flow passage described in the present invention is worn the other end of wall joint from wearing one end of wall joint, at described metal flow passage and the contact position of wearing wall joint, is welded and fixed.
Further, as a kind of concrete structural type, metal flow passage described in the present invention seals fixing with the end of wearing wall joint by ferrule fitting.
The invention has the beneficial effects as follows: the present invention is simple in structure, reasonable in design, pipeline through hole for vacuum type flat plate collector, be the engagement positio of metal flow passage and cavity, invented a kind of heat insulation sealing means, the method is in heat insulation, can meet the requirement of vacuum again, effectively prevent that air from entering heat collector inside, keep degree of vacuum, have use value.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of existing vacuum type flat plate collector;
Fig. 2 is the structural representation of embodiments of the invention one;
Fig. 2 a is the welded seal type structural representation of embodiments of the invention one;
Fig. 3 is the structural representation of embodiments of the invention two;
Fig. 4 is the structural representation of embodiments of the invention three;
Fig. 5 is the structural representation of case study on implementation four of the present invention;
Fig. 6 is the structural representation of case study on implementation five of the present invention;
Fig. 7 is the structural representation of case study on implementation six of the present invention;
In figure: 1. glass cover-plate, 2. absorption film, 21. supporting post through holes, 3. metal flow passage, 31. reducings, 4. supporting post, 5. cavity, 51. thermal-protective coatings, 6. position, through hole, 7, fastening, 8. flanged joint, 81. flange plate, 82. sealed grooves, 83.O RunddichtringO, 9. wears wall joint, 91. metal flow passage birdsmouths, 10. adhesive layer, 11. ferrule fittings.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
The embodiment one of a kind of Hermetical connecting structure for vacuum type flat plate collector pipeline through hole of the present invention as shown in Figure 2, comprise the metal flow passage 3 in cavity 5 and cavity 5, at the junction point of described metal flow passage 3 and cavity 5, be provided with and wear wall joint 9, and in the inner side of cavity and outside, be respectively equipped with and fastening 7, the flanged joint 8 wearing wall joint 9 and be threaded.On described flanged joint, be provided with flange plate 81, the inner side of flange plate 81 is provided with sealed groove 82, and in sealed groove, is provided with O RunddichtringO 83.Described flanged joint 8 moves until O RunddichtringO 83 fits tightly with flange plate 81, cavity 5 respectively wearing on wall joint 9, O type rubber ring between described flange plate 81 and cavity 5 around has adhesive layer 10, and described adhesive layer is the adhesive of high temperature resistant, lower thermal conductivity preferably.Between the sidewall making progress in described footpath of wearing wall joint 9 and fastening 7 and cavity, be equipped with thermal-protective coating 51, described thermal-protective coating 51 is adhesive or rubber ring layer high temperature resistant, lower thermal conductivity.In described end of wearing wall joint 9, be provided with metal flow passage birdsmouth 91, described metal flow passage 3 is inserted in metal flow passage birdsmouth 91 and is welded and fixed with the inwall of metal flow passage birdsmouth 91.Again or as shown in Figure 2 a, be further to strengthen sealing effect, one end of flanged joint 8 with wear wall joint welded seal.
The embodiment two of a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole of the present invention as shown in Figure 3, with respect to embodiment one, the flanged joint 8 in embodiment two is in the inner side of cavity 5, and fastening is in the outside of cavity 5.
The embodiment three of of the present invention a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as shown in Figure 4, with respect to embodiment one, the flanged joint 8 in embodiment three is respectively in the both sides of cavity 5.
The embodiment four of of the present invention a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as shown in Figure 5, the end of the metal flow passage 3 in embodiment four is provided with reducing 31, and described reducing 31 is inserted in the end of wearing wall joint 9 and is welded and fixed with it.
The embodiment five of a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole of the present invention as shown in Figure 6, metal flow passage 3 in embodiment five is worn the other end of wall joint 9 from wearing one end of wall joint 9, at described metal flow passage 3 and the contact position of wearing wall joint 9, be welded and fixed.
The embodiment six of a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole of the present invention as shown in Figure 7, metal flow passage in embodiment six 3 is with to wear wall joint 9 fixing by ferrule fitting 11 sealings.
Wherein:
(1) fastening 7, flanged joint 8 and to wear wall joint 9 be metal by stainless steel, copper or aluminium etc.;
(2) metal flow passage 3 with wear wall joint 9 by being welded to connect, preferably the mode of gas brazing connects sealing;
(3) O RunddichtringO 83 is made by high temperature resistant, ageing-resistant rubber, preferentially selects silicone rubber, fluorine rubber;
(4) the available adhesive of thermal-protective coating or rubber ring, should select the product high temperature resistant, heat conductivity is low, preferably silica gel, fluorine rubber.
(5) adhesive layer should be selected the product high temperature resistant, thermal conductivity is low, preferably silicone adhesive.
The present invention is simple in structure, reasonable in design, pipeline through hole for vacuum type flat plate collector, be the engagement positio of metal flow passage and cavity, invented a kind of heat insulation sealing means, the method is in heat insulation, can meet the requirement of vacuum again, effectively prevent that air from entering heat collector inside, keep degree of vacuum, have use value.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (10)
1. the Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole, comprise the metal flow passage (3) in cavity (5) and cavity (5), it is characterized in that: the junction point of described metal flow passage (3) and cavity (5), be pipeline through hole be provided be metal flanged joint (8) and be threaded with it wear wall joint (9), described metal flow passage (3) with wear wall joint (9) and be tightly connected, described flanged joint (8) is provided with flange plate (81), the inner side of flange plate (81) is provided with sealed groove (82), and in sealed groove (82), be provided with O RunddichtringO (83), described flanged joint (8) wear the upper mobile until O RunddichtringO (83) of wall joint (9) respectively with flange plate (81), cavity (5) fits tightly, between the sidewall making progress in described footpath of wearing wall joint (9) and cavity (5), be provided with thermal-protective coating (51).
2. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, it is characterized in that: described flanged joint (8) is in the outside of cavity (5), in the inner side of cavity (5), be provided with and the fastening (7) of wearing wall joint (9) and being threaded, between described fastening (7) and cavity (5), be provided with thermal-protective coating (51).
3. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, it is characterized in that: described flanged joint (8) is in the inner side of cavity (5), in the outside of cavity (5), be provided with and the fastening (7) of wearing wall joint (9) and being threaded, between described fastening (7) and cavity (5), be provided with thermal-protective coating (51).
4. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, is characterized in that: in the interior outside of described cavity (5), be equipped with flanged joint (8).
5. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, is characterized in that: the O RunddichtringO (83) between described cavity (5) and flange plate (81) is provided with adhesive layer (10) around.
6. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, is characterized in that: one end of described flanged joint (8) with wear wall joint (9) welded seal.
7. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, it is characterized in that: in described end of wearing wall joint (9), be provided with radially towards the metal flow passage birdsmouth (91) of external expansion, described metal flow passage (3) is inserted in metal flow passage birdsmouth (91) and fixes with the inwall welded seal of metal flow passage birdsmouth (91).
8. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, it is characterized in that: in the end of described metal flow passage (3), be provided with radially the reducing (31) of expansion inwardly, described reducing (31) is inserted in also welded seal with it the end of wearing wall joint (9) in and fixes.
9. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, it is characterized in that: described metal flow passage (3) is worn the other end of wall joint (9) from wearing one end of wall joint (9), wears the contact position welded seal of wall joint (9) fix at described metal flow passage (3).
10. a kind of Hermetical connecting structure for vacuum type flat-plate heat collector pipeline through hole as claimed in claim 1, is characterized in that: described metal flow passage (3) is fixing by ferrule fitting (11) sealing with the end of wearing wall joint (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648794.8A CN103644404B (en) | 2013-12-06 | 2013-12-06 | Sealing connection structure used for pipeline through hole in vacuum flat plate collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648794.8A CN103644404B (en) | 2013-12-06 | 2013-12-06 | Sealing connection structure used for pipeline through hole in vacuum flat plate collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103644404A true CN103644404A (en) | 2014-03-19 |
| CN103644404B CN103644404B (en) | 2017-01-18 |
Family
ID=50249663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310648794.8A Active CN103644404B (en) | 2013-12-06 | 2013-12-06 | Sealing connection structure used for pipeline through hole in vacuum flat plate collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103644404B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035925A (en) * | 2016-12-28 | 2017-08-11 | 中国建材国际工程集团有限公司 | The sealing device connected for pipeline inside and outside vacuum cavity |
| CN107588570A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | The method of the totally-enclosed solar energy stove of vacuum |
| CN110005874A (en) * | 2019-04-20 | 2019-07-12 | 上海齐耀动力技术有限公司 | A kind of high-temperature and high-presure resistent wall-through sealing structure |
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| US4702498A (en) * | 1985-10-31 | 1987-10-27 | Georg Fischer Aktiengesellschaft | Flange connection for fiber-reinforced plastic pipe pieces |
| CN2118886U (en) * | 1992-03-25 | 1992-10-14 | 张飞跃 | Pipe joint parts |
| WO1996007851A1 (en) * | 1994-09-08 | 1996-03-14 | Robertshaw Controls Company | Fuel control device, parts therefor and methods of making the same |
| CN1419639A (en) * | 2000-03-25 | 2003-05-21 | 非金属资源股份有限公司 | Pipe joint assembly and method for using same |
| CN1690484A (en) * | 2004-04-30 | 2005-11-02 | 王高元 | Sealing device |
| CN102003583A (en) * | 2010-11-15 | 2011-04-06 | 汪仕斌 | Socket ring-compression single-ring metal pipe fitting and connecting method thereof |
| CN202041009U (en) * | 2011-04-19 | 2011-11-16 | 苏州汇思阳光科技有限公司 | Joint at water inlet and water outlet of heat collector |
| CN202149634U (en) * | 2011-07-20 | 2012-02-22 | 高元运 | Collecting tube joint connection manner for solar flat plate collector |
| CN102537570A (en) * | 2011-12-26 | 2012-07-04 | 汪仕斌 | Socket press-fitting type metal pipe and assembling method thereof |
| CN202747648U (en) * | 2012-07-18 | 2013-02-20 | 杨宪杰 | Sleeved flat plate solar heat collector |
| CN203671079U (en) * | 2013-12-06 | 2014-06-25 | 张曹 | Sealing connecting structure used for pipeline through holes of vacuum-type flat plate collector |
-
2013
- 2013-12-06 CN CN201310648794.8A patent/CN103644404B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702498A (en) * | 1985-10-31 | 1987-10-27 | Georg Fischer Aktiengesellschaft | Flange connection for fiber-reinforced plastic pipe pieces |
| CN2118886U (en) * | 1992-03-25 | 1992-10-14 | 张飞跃 | Pipe joint parts |
| WO1996007851A1 (en) * | 1994-09-08 | 1996-03-14 | Robertshaw Controls Company | Fuel control device, parts therefor and methods of making the same |
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| CN102003583A (en) * | 2010-11-15 | 2011-04-06 | 汪仕斌 | Socket ring-compression single-ring metal pipe fitting and connecting method thereof |
| CN202041009U (en) * | 2011-04-19 | 2011-11-16 | 苏州汇思阳光科技有限公司 | Joint at water inlet and water outlet of heat collector |
| CN202149634U (en) * | 2011-07-20 | 2012-02-22 | 高元运 | Collecting tube joint connection manner for solar flat plate collector |
| CN102537570A (en) * | 2011-12-26 | 2012-07-04 | 汪仕斌 | Socket press-fitting type metal pipe and assembling method thereof |
| CN202747648U (en) * | 2012-07-18 | 2013-02-20 | 杨宪杰 | Sleeved flat plate solar heat collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588570A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | The method of the totally-enclosed solar energy stove of vacuum |
| CN107035925A (en) * | 2016-12-28 | 2017-08-11 | 中国建材国际工程集团有限公司 | The sealing device connected for pipeline inside and outside vacuum cavity |
| CN110005874A (en) * | 2019-04-20 | 2019-07-12 | 上海齐耀动力技术有限公司 | A kind of high-temperature and high-presure resistent wall-through sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103644404B (en) | 2017-01-18 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Li Qinqin Inventor before: Zhang Cao |
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