CN210070251U - Expansion joint built-in solar straight-through pipe - Google Patents
Expansion joint built-in solar straight-through pipe Download PDFInfo
- Publication number
- CN210070251U CN210070251U CN201920697565.8U CN201920697565U CN210070251U CN 210070251 U CN210070251 U CN 210070251U CN 201920697565 U CN201920697565 U CN 201920697565U CN 210070251 U CN210070251 U CN 210070251U
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- ring
- glass outer
- expansion joint
- outer tube
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 129
- 239000011521 glass Substances 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 95
- 238000002955 isolation Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- Y02E10/44—Heat exchange systems
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a solar straight-through pipe with built-in expansion joint, which relates to the technical field of solar energy application and aims to solve the problem that the expansion joint of the existing heat collecting pipe is difficult to replace, and the technical key points of the solar straight-through pipe comprise a metal inner pipe, a glass outer pipe, a bellows expansion joint and an exhaust nozzle, and also comprise a sealing fixed groove which is concavely arranged on the peripheral wall of the metal inner pipe, a separation cylinder which is arranged in the sealing fixed groove, a first installation ring plate and a second installation ring plate which are respectively arranged at the axial two ends of the peripheral wall of the separation cylinder, a connecting ring plate which is arranged at one end of the bellows expansion joint close to the middle part of the glass outer pipe, a guide groove which is concavely arranged on the peripheral wall of the separation cylinder, a guide ring which is arranged on the bellows expansion joint and a sealing detachable component which is arranged on the second installation ring plate, when the normal heat collection is realized, the production cost is saved.
Description
Technical Field
The utility model relates to a solar energy application technology field, more specifically say that it relates to a built-in solar energy of expansion joint through pipe.
Background
Solar energy is the most ideal clean energy in the world, and with the development of science and technology, people are more and more widely applied to solar energy, wherein people can convert solar energy into heat energy for secondary utilization, and the heat collecting tube is the key of the solar energy, but the fracture phenomenon of the glass outer tube is easy to occur because the expansion coefficients of the metal inner tube and the glass outer tube are too large.
The existing CN 204730494U Chinese patent discloses a solar energy expansion joint built-in vacuum heat collecting tube, which comprises a heat collecting tube consisting of a metal inner tube and a glass outer tube, wherein two ends of the metal inner tube and the glass outer tube are respectively sealed by a sealing connection device, an exhaust nozzle is arranged on the glass outer tube, the sealing device comprises a shielding tube arranged on the metal inner tube, the diameter of one end of the shielding tube, which is positioned on the inner side of the heat collecting tube, is larger than that of the other end of the heat collecting tube, which is positioned on the outer side of the heat collecting tube, and is commonly connected with a fixing ring and one end of an expansion joint, wherein the expansion joint is clamped between the fixing ring and the shielding tube, the other end of the expansion joint is clamped and connected by a.
However, after the heat collecting pipe is used for a long time, the expansion joint is inevitably damaged and is fixed in a welding mode, and when the expansion joint is damaged, the whole pipe fitting can be replaced, so that materials are wasted, and the production cost is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of the prior art, and the purpose of the utility model is to provide a built-in solar straight-through pipe of expansion joint, which can be changed independently to save production cost once the expansion joint is damaged when realizing normal heat collection.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a solar straight-through pipe with a built-in expansion joint comprises a metal inner pipe, a glass outer pipe arranged on the outer peripheral wall of the metal inner pipe, a corrugated pipe expansion joint arranged between the metal inner pipe and the glass outer pipe, an exhaust nozzle arranged on the glass outer pipe, a sealing fixing groove sunken on the outer peripheral wall of the metal inner pipe, a separation cylinder arranged in the sealing fixing groove, a first installation ring plate and a second installation ring plate which are respectively arranged at the two axial ends of the outer peripheral wall of the separation cylinder, and a connecting ring plate arranged at one end of the corrugated pipe expansion joint close to the middle part of the glass outer pipe, the connecting ring plate is connected with a first mounting ring plate close to the middle part of the glass outer tube through a bolt, and further comprises a guide groove arranged on the peripheral wall of the isolating cylinder in a sunken mode, a guide ring arranged at the bellows expansion joint and far away from one end of the first connecting ring plate and sliding in the guide groove, and a sealing detachable assembly arranged on a second mounting ring plate and used for connecting the second mounting ring plate and the glass outer tube.
Through taking above-mentioned technical scheme, keep apart a section of thick bamboo and be connected with sealed fixed slot and not only can avoid the heat of metal inner tube directly to transmit bellows expansion joint and produce the damage to the bellows inflation, and can realize keeping apart the sealing connection between a section of thick bamboo and the metal inner tube, simultaneously, the connection of installation crown plate one and connection crown plate has realized the dismantled setting of bellows expansion joint, then realizes being connected of installation crown plate two and glass outer tube through sealed removable subassembly, can realize the sealing connection between glass outer tube and the metal inner tube, and then the utility model discloses when realizing normal thermal-arrest, take place to damage when the expansion joint, can change the expansion joint alone, practice thrift manufacturing cost.
The utility model is further provided with that the sealing detachable component comprises a sealing abutting groove which is rotatably arranged at one end of the mounting ring plate II far away from the isolation cylinder, the sealing abutting groove penetrates through one side of the second mounting ring plate departing from the middle part of the glass outer tube along the axial direction of the isolation cylinder, the sealing abutting groove further comprises a sealing abutting ring abutting against the sealing abutting groove, and a transition connecting ring arranged at one end of the sealing abutting ring far away from the isolation cylinder, the transition connecting ring extends towards the middle part of the glass outer tube, and also comprises a transition closed ring groove which is concavely arranged on the peripheral wall of the transition connecting ring, an L-shaped transition connecting ring which is arranged in the transition closed ring groove in a sliding way, and sealing tension pieces which are arranged on the L-shaped transition connecting ring and the glass outer tube, the L-shaped transition connecting ring and the axial parallel annular wall of the glass outer tube are arranged towards the middle of the glass outer tube, and the inner annular wall and the outer annular wall of the glass outer tube are in sealing butt joint with the outer peripheral wall of the transition connecting ring and the axial inner peripheral wall of the L-shaped transition connecting ring respectively.
By adopting the technical scheme, after the installation ring plate II is arranged, the transition connecting ring is continuously sleeved, the sealing abutting ring is arranged in the sealing abutting groove, sealing is realized, then the L-shaped transition connecting ring at the two ends is simultaneously tensioned towards the two ends of the glass outer tube by utilizing the sealing tensioning piece, the abutting of the sealing abutting groove and the sealing abutting ring is realized while the connection of the glass outer tube and the L-shaped transition connecting ring is realized, meanwhile, the L-shaped transition connecting ring is connected with the transition sealing ring groove in a sealing sliding mode, and the sealing connection between the glass outer tube and the metal inner tube can be realized.
The utility model discloses a further set up to, sealed taut including setting up at the sealed spout of the axial internal perisporium of L type transition interlinkage, setting up sealing washer, the fixed taut base block that sets up on the glass outer tube periphery wall that slides in sealed spout on the glass outer tube periphery wall, L type transition interlinkage is along its axial displacement, still including rotating the setting at the taut screw rod of taut base block towards L type transition interlinkage one side and set up the taut spiral groove on L type transition interlinkage and taut base block relative lateral wall, taut spiral groove and taut screw rod threaded connection.
Through taking above-mentioned technical scheme, rotate the tensioning screw, make take place the screw thread rotation between tensioning screw and the taut thread groove, can drive L type transition interlink and be close to the rubbish base block, sealed support the ring tightly at sealed support inslot, simultaneously, the sealed spout on the L type transition interlink is connected with the sealing washer on the glass outer tube is sealed to slide, can realize the sealing connection of L type transition interlink and glass outer tube.
The utility model discloses a further set up to, be provided with a plurality of buffer spring on the interlinked radial inside wall of L type transition, buffer spring is provided with the light fixed ring board with glass outer tube axial both ends butt with the one end that the glass outer tube is relative.
Through adopting above-mentioned technical scheme, when taut L type transition interlinkage and taut base block not, the both ends of glass outer tube can press from both sides between two light retaining ring boards to buffer spring is in compression state, and then receives the effect of buffering elasticity restoring force, can lightly fix the glass outer tube, and then makes the installation of pipe fitting more stable and swift.
The utility model discloses a further set up to, one side that sealed the groove of supporting is kept away from to installation crown plate two is provided with sealing ring strip one, sealing ring strip one is kept away from the one end of keeping apart a section of thick bamboo and the sealed butt of interior rampart of transition go-between.
By adopting the technical scheme, the gap between the inner side walls of the pair of transition connecting rings of the sealing ring strip and the first mounting ring plate is further closed, so that the sealing performance between the inner side walls of the transition connecting rings and the one side of the mounting ring plate far away from the sealing abutting groove is improved.
The utility model discloses a further set up to, be provided with on the periphery wall of metal inner tube and be used for keeping away from glass outer tube middle part one side to installation crown plate two, sealed support ring, transitional coupling ring and L type transition interlinkage and carry out the sealed cowling sealed, the sealed cowling passes through flange and the continuous axial outer rampart fixed connection who encircles of L type transition.
By adopting the technical scheme, the connecting surfaces between the second mounting ring plate, the sealing abutting ring, the transition connecting ring and the L-shaped transition connecting ring are further sealed, and the sealing performance between the glass outer tube and the metal inner tube is improved.
The utility model discloses a further set up to, keep apart and be provided with sealed ring strip two on being close to the axial one end of installation crown plate one and the periphery wall of metal inner tube.
By adopting the technical scheme, the sealing ring strip further seals the gap of the connecting surface between the outer side walls of the metal inner tube by the two pairs of the isolation cylinders, so that the sealing performance between the isolation cylinders and the metal inner tube is improved.
The utility model discloses a further set up as, be provided with hollow elastic ball on the inner tube wall of glass outer tube.
By adopting the technical scheme, the pressure intensity of the vacuum cavity between the metal inner tube and the glass outer tube can be visually observed by observing the hollow elastic ball, and then the air is exhausted through the exhaust nozzle in time.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model realizes the detachable connection of the glass outer tube and the second mounting ring plate through the sealing detachable component, and then realizes the detachable connection of the bellows expansion joint and the isolation cylinder through the bolt connection, thereby realizing the normal heat collection and simultaneously independently replacing the expansion joint when the expansion joint is damaged, thereby saving the production cost;
2. the utility model discloses at sealed ring back of supporting in sealed supporting the inslot, then utilize sealed tensioning to be taut with both ends L type transition interlink simultaneously to the both ends of glass outer tube, and then realize the glass outer tube and the sealing connection of L type transition interlink, easy operation.
Drawings
Fig. 1 is a sectional view of the structure of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Reference numerals: 1. a metal inner tube; 2. a glass outer tube; 3. a bellows expansion joint; 4. an exhaust nozzle; 5. sealing the fixing groove; 6. an isolation cylinder; 7. mounting a ring plate I; 8. mounting a second ring plate; 9. a connecting ring plate; 10. a guide groove; 11. a guide ring; 12. sealing the removable assembly; 13. sealing the abutting groove; 14. sealing the butting ring; 15. a transition connecting ring; 16. a transitional closed ring groove; 17. l-shaped transition interlinking; 18. a sealing tension member; 19. sealing the chute; 20. a seal ring; 21. tensioning the base block; 22. tensioning the screw rod; 23. tensioning the screw groove; 24. a buffer spring; 25. lightly fixing the ring plate; 26. sealing the ring strip I; 27. a second sealing ring strip; 28. a sealing cover; 29. a hollow elastic ball; 30 vacuum chamber.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model discloses a direct pipe of built-in solar energy of expansion joint, as shown in fig. 1 and fig. 2, including metal inner tube 1, set up glass outer tube 2 on 1 periphery wall of metal inner tube and set up bellows expansion joint 3 and the exhaust nozzle 4 of setting on glass outer tube 2 between metal inner tube 1 and glass outer tube 2, still including sunken sealed fixed slot 5 that sets up on 1 periphery wall of metal inner tube, the setting is at the isolation cylinder 6 in sealed fixed slot 5, set up installation crown plate one 7 and installation crown plate two 8 at 6 periphery wall axial both ends of isolation cylinder respectively, set up the connecting ring board 9 that is close to 2 middle part one ends of glass outer tube at bellows expansion joint 3, connecting ring board 9 passes through bolted connection with installation crown plate one 7 that is close to 2 middle parts of glass outer tube, still including sunken guide way 10 that sets up on 6 periphery walls of isolation cylinder, set up guide way 11 that connecting ring board 9 one end slided in guide way 10 and set up at ann's safety ring at bellows expansion joint 3 The second mounting ring plate 8 is provided with a sealing detachable component 12 for connecting the second mounting ring plate 8 and the outer glass tube 2; firstly, a sealing fixing groove 5 is arranged on the outer side wall of a metal inner pipe 1, then an isolating cylinder 6 with a guide groove 10 is fixed in the sealing fixing groove 5 by welding and the like, then a corrugated pipe expansion joint 3 is sleeved on the isolating cylinder 6, then a first mounting ring plate 7 and a second mounting ring plate 8 are welded on the isolating cylinder 6, then a first connecting ring plate 9 and the first mounting ring plate 7 are fixed together by bolts, and the guide ring 11 is positioned in the guide groove 10, so that the primary connection of the corrugated pipe expansion joint 3 and the isolating cylinder 6 is realized, finally, a glass outer pipe 2 is mounted on the second mounting ring plate 8 through a sealing detachable component 12, thereby a vacuum cavity is formed between the glass outer pipe 2 and the metal inner pipe 1, further the detachable connection of the corrugated pipe expansion joint 3 between the metal inner pipe 1 and the glass outer pipe 2 is realized, further, the utility model discloses a solar heat collector, once the expansion joint is damaged, the expansion joint can be independently replaced, and the production cost is saved.
As shown in fig. 1 and 2, a second sealing ring strip 27 is arranged on one axial end of the isolation cylinder 6 close to the first mounting ring plate 7 and the outer peripheral wall of the metal inner tube 1, and a hollow elastic ball 29 is arranged on the inner tube wall of the glass outer tube 2; after the isolation cylinder 6 is arranged in the sealing fixing groove 5, a second sealing ring strip 27 is arranged in the welding direction, the sealing performance between the isolation cylinder 6 and the metal inner pipe 1 is improved, and meanwhile, in the use process of the heat collector, when the pressure in the vacuum cavity is too large, the air is exhausted through the exhaust nozzle 4 in time by observing the size of the hollow elastic ball 29.
As shown in fig. 2, the sealing detachable assembly 12 includes a sealing abutting groove 13 rotatably disposed at one end of the second mounting ring plate 8 far from the isolating cylinder 6, the sealing abutting groove 13 penetrates through one side of the second mounting ring plate 8 far from the middle of the glass outer tube 2 along the axial direction of the isolating cylinder 6, and further includes a sealing abutting ring 14 abutting against the sealing abutting groove 13, a transition connecting ring 15 disposed at one end of the sealing abutting ring 14 far from the isolating cylinder 6, the transition connecting ring 15 extends toward the middle of the glass outer tube 2, and a transition sealing ring groove 16 including a recess disposed on the outer peripheral wall of the transition connecting ring 15, the L-shaped transition connecting ring 17 is arranged in the transition closed ring groove 16 in a sliding mode, and the sealing tension piece 18 is arranged on the L-shaped transition connecting ring 17 and the glass outer tube 2; after the bellows expansion joint 3 is installed, the sealing abutting ring 14 abuts against the sealing abutting groove 13, meanwhile, the two axial ends of the glass outer tube 2 are inserted into a transition connecting ring 15 on the inner side wall of the L-shaped transition connecting ring 17, then the L-shaped transition connecting ring 17 is pulled and tensioned in the axial direction of the glass outer tube 2 through the transition sealing ring groove 16, the L-shaped transition connecting ring 17 is connected with the two ends of the glass outer tube 2 through the sealing tensioning piece 18, and therefore the sealing connection between the glass outer tube 2 and the metal inner tube 1 can be achieved.
As shown in fig. 2, a first sealing ring strip 26 is disposed on one side of the second installation ring plate 8, which is far from the sealing abutting groove 13, and one end of the first sealing ring strip 26, which is far from the isolation cylinder 6, is in sealing abutting contact with the inner annular wall of the transition connection ring 15, and when the sealing abutting ring 14 and the transition connection ring 15 are installed, the first sealing ring strip 26 further seals a gap between the inner side wall of the transition connection ring 15 and the second installation ring plate 8, thereby increasing the sealing performance between the inner side wall of the transition connection ring 15 and one side of the second installation ring plate 8, which is far from the sealing abutting groove 13.
As shown in fig. 3, the sealing and tensioning member 18 includes a sealing sliding groove 19 disposed on the axial inner peripheral wall of the L-shaped transition link 17, a sealing ring 20 disposed on the outer peripheral wall of the glass outer tube 2 and sliding in the sealing sliding groove 19, a tensioning base block 21 fixedly disposed on the outer peripheral wall of the glass outer tube 2, the L-shaped transition link 17 moving along the axial direction thereof, a tensioning screw 22 rotatably disposed on one side of the tensioning base block 21 facing the L-shaped transition link 17, and a tensioning screw groove 23 disposed on the opposite side wall of the L-shaped transition link 17 and the tensioning base block 21, the tensioning screw groove 23 being in threaded connection with the tensioning screw 22; the glass outer tube 2 is inserted between the inner ring wall of the L-shaped transition connecting ring 17 and the outer side wall of the transition connecting ring 15, meanwhile, the sealing ring 20 slides on the sealing sliding groove 19, the L-shaped transition connecting ring 17 and the tensioning base block 21 are relatively drawn close, the sealing ring 20 slides in the sealing sliding groove 19, then the tensioning screw groove 23 is in contact with the tensioning screw 22, the tensioning screw 22 is rotated on the tensioning base block 21, the tensioning screw 22 is in threaded connection with the tensioning screw groove 23, and connection of the L-shaped transition connecting ring 17 and the glass outer tube 2 is achieved.
As shown in fig. 3, a plurality of buffer springs 24 are arranged on the radial inner side wall of the L-shaped transition link 17, and a light fixed ring plate 25 abutted against two axial ends of the glass outer tube 2 is arranged at one end of each buffer spring 24 opposite to the glass outer tube 2; when not taut L type transition interlinkage 17 and taut base block 21, the both ends of glass outer tube 2 can press from both sides between two light fixed ring boards 25 to buffer spring 24 is in compression state, and then receives the effect of buffering elasticity restoring force, can lightly fix glass outer tube 2, and then makes the installation of pipe fitting more stable and swift.
As shown in fig. 1 and 3, a sealing cover 28 for sealing the second installation ring plate 8, the sealing abutting ring 14, the transition connecting ring 15 and the side of the L-shaped transition connecting ring 17 away from the middle of the glass outer tube 2 is arranged on the outer peripheral wall of the metal inner tube 1, and the sealing cover 28 is fixedly connected with the axial outer annular wall of the L-shaped transition connecting ring 17 through a flange; after installation, the sealing cover 28 is sleeved on one side of the second installation ring plate 8, the sealing abutting ring 14, the transition connecting ring 15 and the L-shaped transition connecting ring 17 far away from the middle part of the glass outer tube 2, the sealing cover 28 is fixed on the outer side wall of the L-shaped transition connecting ring 17 through a flange, the connecting surfaces between the second installation ring plate 8, the sealing abutting ring 14, the transition connecting ring 15 and the L-shaped transition connecting ring 17 are further sealed, and the sealing performance between the glass outer tube 2 and the metal inner tube 1 is improved.
The working process is as follows:
firstly, a sealing fixing groove 5 is arranged on the outer side wall of a metal inner pipe 1, then an isolation cylinder 6 with a guide groove 10 is fixed in the sealing fixing groove 5 in a welding mode and the like, then a corrugated pipe expansion joint 3 is sleeved on the isolation cylinder 6, then a first mounting ring plate 7 and a second mounting ring plate 8 are welded on the isolation cylinder 6, then a connecting ring plate 9 and the first mounting ring plate 7 are fixed together through bolts, the guide ring 11 is positioned in the guide groove 10, then a sealing abutting ring 14 is abutted in a sealing abutting groove 13, meanwhile, the axial two ends of a glass outer pipe 2 are inserted into a transition connecting ring 15 on the inner side wall of an L-shaped transition connecting ring 17, then the L-shaped transition connecting ring 17 and a tensioning base block 21 are relatively pulled close, a sealing ring 20 slides in a sealing sliding groove 19, then a tensioning screw groove 23 is contacted with a tensioning screw 22, the tensioning screw 22 is rotated on the tensioning base block 21, make take-up screw 22 and take-up screw groove 23 threaded connection, realize being connected of L type transition interlinkage 17 and glass outer tube 2, establish sealed cowling 28 cover at installation crown plate two 8, sealed support ring 14, one side at 2 middle parts of glass outer tube is kept away from to transitional coupling ring 15 and L type transition interlinkage 17, and fix sealed cowling 28 on L type transition interlinkage 17's lateral wall through the flange, and then realize bellows expansion joint 3 and can dismantle between metal inner tube 1 and glass outer tube 2 and be connected, and then the utility model discloses when realizing normal thermal-arrest, in case the expansion joint takes place to damage, can change the expansion joint alone, practice thrift manufacturing cost.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a straight-through pipe of built-in solar energy of expansion joint, includes metal inner tube (1), sets up glass outer tube (2) on metal inner tube (1) periphery wall and sets up bellows expansion joint (3) and exhaust nozzle (4) of setting on glass outer tube (2) between metal inner tube (1) and glass outer tube (2), its characterized in that: also comprises a sealing fixed groove (5) which is concavely arranged on the peripheral wall of the metal inner pipe (1), a separation cylinder (6) which is arranged in the sealing fixed groove (5), a first mounting annular plate (7) and a second mounting annular plate (8) which are respectively arranged at the two axial ends of the peripheral wall of the separation cylinder (6), and a connecting annular plate (9) which is arranged at one end of the bellows expansion joint (3) close to the middle part of the glass outer pipe (2), the connecting ring plate (9) is connected with a first mounting ring plate (7) close to the middle part of the outer glass tube (2) through a bolt, and further comprises a guide groove (10) which is sunken to be arranged on the peripheral wall of the isolating cylinder (6), a guide ring (11) which is arranged on the bellows expansion joint (3) and is far away from one end of the connecting ring plate (9) and slides in the guide groove (10), and a sealing detachable component (12) which is arranged on the second mounting ring plate (8) and is used for connecting the second mounting ring plate (8) with the outer glass tube (2).
2. The solar straight-through pipe with the built-in expansion joint as claimed in claim 1, wherein: the sealing detachable component (12) comprises a sealing abutting groove (13) which is rotatably arranged at one end of the second mounting ring plate (8) far away from the isolating cylinder (6), the sealing abutting groove (13) penetrates through one side of the second mounting ring plate (8) far away from the middle of the glass outer tube (2) along the axial direction of the isolating cylinder (6), a sealing abutting ring (14) which is abutted in the sealing abutting groove (13), a transition connecting ring (15) which is arranged at one end of the sealing abutting ring (14) far away from the isolating cylinder (6), the transition connecting ring (15) extends towards the middle of the glass outer tube (2), a transition sealing ring groove (16) which is concavely arranged on the outer peripheral wall of the transition connecting ring (15), an L-shaped transition connecting ring (17) which is slidably arranged in the transition sealing ring groove (16) and a sealing tensioning piece (18) which is arranged on the L-shaped transition connecting ring (17) and the glass outer tube (2), l type transition interlink (17) and glass outer tube (2) axial parallel rampart set up towards glass outer tube (2) middle part, the interior outer rampart of glass outer tube (2) respectively with the sealed butt of the axial internal perisporium of the periphery wall of transition interlink (15) and L type transition interlink (17).
3. The solar straight-through pipe with the built-in expansion joint as claimed in claim 2, wherein: the sealing tensioning piece (18) comprises a sealing sliding groove (19) arranged on the axial inner peripheral wall of the L-shaped transition connecting ring (17), a sealing ring (20) arranged on the outer peripheral wall of the glass outer tube (2) and sliding in the sealing sliding groove (19), and a tensioning base block (21) fixedly arranged on the outer peripheral wall of the glass outer tube (2), wherein the L-shaped transition connecting ring (17) moves along the axial direction of the L-shaped transition connecting ring, the sealing tensioning piece further comprises a tensioning screw rod (22) rotatably arranged on one side, facing the L-shaped transition connecting ring (17), of the tensioning base block (21) and tensioning screw grooves (23) arranged on the opposite side walls of the L-shaped transition connecting ring (17) and the tensioning base block (21), and the tensioning screw grooves (23) are in threaded connection with the tensioning screw rod (22.
4. The solar straight-through pipe with the built-in expansion joint as claimed in claim 3, wherein: a plurality of buffer springs (24) are arranged on the radial inner side wall of the L-shaped transition connecting ring (17), and light fixing ring plates (25) which are abutted against the two axial ends of the glass outer tube (2) are arranged at one ends, opposite to the glass outer tube (2), of the buffer springs (24).
5. The solar straight-through pipe with the built-in expansion joint as claimed in claim 3, wherein: one side of the second mounting ring plate (8) far away from the sealing abutting groove (13) is provided with a first sealing ring strip (26), and one end of the first sealing ring strip (26) far away from the isolating cylinder (6) is in sealing abutting connection with the inner ring wall of the transition connecting ring (15).
6. The solar straight-through pipe with the built-in expansion joint as claimed in claim 3, wherein: the outer peripheral wall of the metal inner tube (1) is provided with a sealing cover (28) used for sealing one side, away from the middle part of the glass outer tube (2), of the installation annular plate II (8), the sealing abutting ring (14), the transition connecting ring (15) and the L-shaped transition connecting ring (17), and the sealing cover (28) is fixedly connected with the axial outer annular wall of the L-shaped transition connecting ring (17) through a flange.
7. The solar straight-through pipe with the built-in expansion joint as claimed in claim 1, wherein: and a second sealing ring strip (27) is arranged on one axial end of the isolation cylinder (6) close to the first mounting ring plate (7) and the peripheral wall of the metal inner tube (1).
8. The solar straight-through pipe with the built-in expansion joint as claimed in claim 1, wherein: the inner wall of the glass outer tube (2) is provided with a hollow elastic ball (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697565.8U CN210070251U (en) | 2019-05-15 | 2019-05-15 | Expansion joint built-in solar straight-through pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697565.8U CN210070251U (en) | 2019-05-15 | 2019-05-15 | Expansion joint built-in solar straight-through pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210070251U true CN210070251U (en) | 2020-02-14 |
Family
ID=69452414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920697565.8U Expired - Fee Related CN210070251U (en) | 2019-05-15 | 2019-05-15 | Expansion joint built-in solar straight-through pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210070251U (en) |
-
2019
- 2019-05-15 CN CN201920697565.8U patent/CN210070251U/en not_active Expired - Fee Related
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