Glass vacuum tube type solar thermal collector easy to maintain

Abstract

The utility model relates to the technical field of heat collector use, and particularly discloses a glass vacuum tube type solar heat collector easy to maintain, which comprises a vertical support rod and an inclined support rod which are matched with each other for use, a mounting seat is arranged on the top surfaces of the vertical support rod and the inclined support rod, and a tube connecting box body is arranged on the top surface of the mounting seat. A plurality of mounting holes are formed in the end face of the pipe connecting box body, a connecting base is arranged on the end faces of the lower portions of the two inclined supporting rods jointly, abutting cylinders capable of moving up and down are arranged on the connecting base respectively, a vacuum glass heat collecting pipe is connected between each mounting hole and the corresponding abutting cylinder jointly, and a connector body communicated with the pipe connecting box body is arranged on the end face of the pipe connecting box body. And a connecting pipe capable of being stably connected is arranged on the joint body. In the using process of the device, the vacuum glass heat collecting pipe can be conveniently and rapidly disassembled, the leakage phenomenon at the connecting position of the communicating pipe can be avoided in the high-pressure state, and therefore the using efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat collector use, in particular to an easy-to-maintain glass vacuum tube solar heat collector. Background Art

[0002] A vacuum tube collector is a solar collector that evacuates the space between the heat absorber and the transparent cover layer; a water heater composed of vacuum tube collector components is a vacuum tube water heater; and a glass vacuum tube solar collector is one of the basic forms of solar thermal utilization.

[0003] When installing multiple vacuum glass heat collecting tubes on a traditional solar collector, one end of the multiple vacuum glass heat collecting tubes is connected to the corresponding installation holes on the same connecting pipe water tank, and the other end is connected to the abutment groove on the same abutment seat to effectively connect them.

[0004] During the use of the vacuum glass collector tube, its interior needs to be cleaned regularly. During the cleaning, each vacuum glass collector tube needs to be disassembled and installed. The above connection method is not easy to disassemble the vacuum glass collector tube conveniently and quickly, which reduces the cleaning efficiency of the device; and the connection stability of the connecting pipe cannot be guaranteed during use. Under high pressure, leakage is prone to occur. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the vacuum glass heat collecting tube cannot be disassembled conveniently and quickly, and the stability of the connecting tube cannot be guaranteed during use, which reduces the practicality of the device.

[0006] In order to solve the above problems, the technical solution of the utility model is: an easy-to-maintain glass vacuum tube solar collector, comprising a vertical support rod and an inclined support rod used in conjunction with each other, a mounting seat is provided on the top surface of the vertical support rod and the inclined support rod, a header box is provided on the top surface of the mounting seat, and a plurality of mounting holes are opened on the end surface of the header box;

[0007] A connecting seat is commonly provided on the end surface below the two oblique support rods, and an abutment tube which can be moved up and down is respectively provided on the connecting seat corresponding to each mounting hole, and a vacuum glass heat collecting tube is commonly connected between each mounting hole and the corresponding abutment tube, and a joint body which is connected with the connecting tube is provided on the end surface of the connecting tube box body, and a connecting pipe which can be stably connected is provided on the joint body.

[0008] Furthermore, a fixing seat is fixedly provided on the bottom surface of the connecting seat corresponding to each mounting hole, a cavity is opened in each fixing seat, and an adjusting rod movable up and down is provided in the cavity, and the end of the adjusting rod extending out of the top surface of the fixing seat is fixedly connected to the bottom surface of the abutting tube;

[0009] A pressure plate is fixed on the outer side of the adjusting rod near the top wall of the cavity, and a compression spring is wound between the pressure plate and the bottom wall of the cavity, and the compression force of the compression spring is greater than the sum of the gravity of the vacuum glass collector tube and the internal water.

[0010] Furthermore, a cylinder body capable of sleeve-fitting an adjusting rod is fixedly provided on the outer end surface of each of the fixing seats, a groove body 1 and a groove body 2 are respectively provided at the adjacent two ends of the cylinder body, and the depth of the groove body 1 is greater than the depth of the groove body 2, an abutment column is fixedly provided on the outer side surface of the adjusting rod corresponding to the groove body 1, and a grabbing plate is fixedly provided on the end of the adjusting rod extending out of the cylinder body.

[0011] Furthermore, a placement groove is provided on the end face of the inner wall of the connector body along its circumferential direction and a conical groove connected to the placement groove is provided above the placement groove, the bottom surface of the connecting tube abuts against the bottom wall of the placement groove, and a clamping sleeve matching the conical groove is provided on the outer wall of the connecting tube, an external thread is provided on the outer wall of the connector body, and an internal threaded cylinder matching the external thread is provided on the outer surface of the connecting tube.

[0012] Furthermore, a wedge-shaped surface is provided on the top surface of the clamping sleeve along its circumferential direction, and a matching surface matched with the wedge-shaped surface is also provided on the top wall of the internal threaded cylinder.

[0013] Furthermore, a rubber pad is provided on the bottom wall of each abutting tube.

[0014] The advantages of the utility model compared with the existing technology are:

[0015] 1. Under the action of the independent abutment tube, adjustment rod, pressure plate and compression spring corresponding to the bottom of each vacuum glass heat collecting tube, the abutment tube can be driven to move downward by pulling the adjustment rod downward, so as to remove the abutment force of the vacuum glass heat collecting tube. In this way, each vacuum glass heat collecting tube can be disassembled conveniently and quickly, so as to facilitate the cleaning of the inner wall of the vacuum glass heat collecting tube, thereby improving the use efficiency of the device;

[0016] 2. The provided joint body, connecting pipe, placement groove, tapered groove, clamping sleeve, external thread, internal thread tube, wedge surface and matching surface can ensure the tightness of the contact between the connecting pipe and the connecting body after the connecting pipe and the connecting body are connected, under the action of the clamping sleeve and the tapered groove, as well as the wedge surface and the matching surface, thereby ensuring the stability of the connecting pipe during use and avoiding leakage under high pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model.

[0018] Figure 2It is an internal structure diagram of the adjusting rod in the utility model.

[0019] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0020] Figure 4 It is a structural diagram of the fixing seat in the utility model.

[0021] Figure 5 It is an internal structural diagram of the connection between the joint body and the water inlet pipe in the utility model.

[0022] Figure 6 This utility model Figure 5 Enlarged view of point B in the middle.

[0023] As shown in the figure: 1. Vertical support rod; 2. Oblique support rod; 3. Mounting seat; 4. Connecting box body; 5. Mounting hole; 6. Connecting seat; 7. Abutment tube; 8. Vacuum glass collector tube; 9. Fixed seat; 10. Cavity; 11. Adjustment rod; 12. Pressure plate; 13. Compression spring; 14. Grabbing plate; 15. Cylinder body; 16. Trough body one; 17. Trough body two; 18. Abutment column; 19. Joint body; 20. Connecting pipe; 21. Placement groove; 22. Conical groove; 23. External thread; 24. Internal thread tube; 25. Snap sleeve; 26. Wedge surface; 27. Matching surface. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] like Figure 1 to Figure 2 As shown, an easy-to-maintain glass vacuum tube solar collector comprises a vertical support rod 1 and an inclined support rod 2 used in conjunction with each other, a mounting seat 3 is provided on the top surface of the vertical support rod 1 and the inclined support rod 2, a header box 4 is provided on the top surface of the mounting seat 3, and a plurality of mounting holes 5 are opened on the end surface of the header box 4;

[0027] A connecting seat 6 is commonly provided on the end surface below the two inclined support rods 2, and an abutment tube 7 which can be moved up and down is respectively provided on the connecting seat 6 corresponding to each mounting hole 5, and a rubber pad is also respectively provided on the bottom wall of each abutment tube 7. A vacuum glass heat collecting tube 8 is commonly connected between each mounting hole 5 and the corresponding abutment tube 7, so that each vacuum glass heat collecting tube 8 can be connected separately under the action of the mounting hole 5 and the corresponding abutment tube 7 without affecting each other. A joint body 19 which is connected with the joint box body 4 is provided on the end surface thereof, and a connecting pipe 20 which can be stably connected is provided on the joint body 19.

[0028] like Figure 2 and Figure 3 As shown, a fixing seat 9 is fixedly provided on the bottom surface of the connecting seat 6 corresponding to each mounting hole 5, a cavity 10 is respectively opened in each fixing seat 9, and an adjusting rod 11 which can move up and down is provided in the cavity 10, and the end of the adjusting rod 11 extending out of the top surface of the fixing seat 9 is fixedly connected to the bottom surface of the abutting tube 7;

[0029] A pressure plate 12 is fixed on the outer side surface of the adjusting rod 11 near the top wall of the cavity 10, and a compression spring 13 is wound between the pressure plate 12 and the bottom wall of the cavity 10. The compression force of the compression spring 13 is greater than the sum of the gravity of the vacuum glass heat collecting tube 8 and the internal water. In this way, the adjusting rod 11 and the abutment tube 7 can be driven to move upward under the reaction force of the compression spring 13, and effectively abut the bottom of the vacuum glass heat collecting tube 8, thereby ensuring the convenience of installation of the vacuum glass heat collecting tube 8.

[0030] like Figure 4 As shown, a cylinder 15 capable of sleeve-fitting the adjusting rod 11 is fixedly provided on the outer end surface of each fixing seat 9, and a groove body 16 and a groove body 2 17 are respectively provided at the adjacent two ends of the cylinder 15, and the depth of the groove body 16 is greater than the depth of the groove body 2 17, and an abutment column 18 is fixedly provided on the outer side surface of the adjusting rod 11 corresponding to the groove body 16, so that the adjusting rod 11 can be driven to move outward under the action of external force, so that the abutment column 18 extends to the outside of the cylinder 15, and at the same time, the adjusting rod 11 is rotated so that the abutment column 18 is located in the groove body 2 17, so that the adjusting rod 11 is always in a state of extending outward, thereby ensuring the separation state of the abutment cylinder 7 and the vacuum glass heat collecting tube 8, which is convenient for disassembly of the vacuum glass heat collecting tube 8, and a grabbing plate 14 is fixedly provided at the end of the adjusting rod 11 extending out of the cylinder 15.

[0031] Embodiment 2

[0032] Based on the first embodiment, Figure 5 and Figure 6 As shown, the specific structure of the connecting pipe 20 for stable connection is as follows:

[0033] A placement groove 21 is provided on the inner wall end face of the connector body 19 along its circumferential direction, and a conical groove 22 connected to the placement groove 21 is provided above the placement groove 21. The bottom surface of the connecting pipe 20 abuts against the bottom wall of the placement groove 21, and a clamping sleeve 25 matched with the conical groove 22 is provided on the outer wall of the connecting pipe 20. An external thread 23 is provided on the outer wall of the connector body 19, and an internal threaded tube 24 matched with the external thread 23 is sleeved on the outer side surface of the connecting pipe 20. With the cooperation of the internal threaded tube 24 and the external thread 23, the connecting pipe 20 and the connector body 19 are connected. At the same time, with the cooperation of the clamping sleeve 25 and the conical groove 22, the tightness of the connecting pipe 20 and the connector body after connection can be guaranteed.

[0034] A wedge-shaped surface 26 is provided on the top surface of the clamping sleeve 25 along its circumferential direction, and a matching surface 27 matched with the wedge-shaped surface 26 is also provided on the top wall of the internally threaded tube 24. With the cooperation of the matching surface 27 and the wedge-shaped surface 26, the clamping sleeve 25 can be effectively abutted when the internally threaded tube 24 is tightened, thereby ensuring the stability of the cooperation between the clamping sleeve 25 and the tapered groove 22, thereby avoiding leakage at the connection between the connecting pipe 20 and the joint body 19 under high pressure, thereby ensuring the use efficiency of the device.

[0035] In specific use, when the vacuum glass heat collecting tube 8 needs to be disassembled and cleaned, first pull the grabbing plate 14 downward to drive the adjusting rod 11 to move downward, and at the same time make the abutting column 18 move out of the outside of the cylinder 15, and then rotate the grabbing plate 14 to make the abutting column 18 correspond to the second groove body 17, release the external force on the grabbing plate 14, make the abutting column 18 fall into the second groove body 17, and effectively support the adjusting rod 11, so that the adjusting rod 11 can be ensured to be always in an extended state, and at the same time make it abut between the cylinder 7 and the vacuum glass heat collecting tube 8 The abutment force is removed, so that the vacuum glass heat collecting tube 8 can be conveniently and quickly disassembled and installed, thereby improving the maintenance efficiency of the device; during the use of the device, the connecting pipe 20 is used to make the clamping sleeve 25 and the tapered groove 22 abut with the cooperation of the internal threaded tube 24 and the external thread 23, and the stability of the cooperation between the clamping sleeve 25 and the tapered groove 22 is guaranteed through the cooperation of the matching surface 27 and the wedge surface 26, thereby avoiding leakage at the connection between the connecting pipe 20 and the joint body 19 under high pressure, thereby improving the practicality of the device.

[0036] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A glass vacuum tube solar collector that is easy to maintain, comprising a vertical support rod (1) and an inclined support rod (2) used in conjunction with each other, wherein a mounting seat (3) is provided on the top surface of the vertical support rod (1) and the inclined support rod (2), a header box (4) is provided on the top surface of the mounting seat (3), and a plurality of mounting holes (5) are provided on the end surface of the header box (4), characterized in that: A connecting seat (6) is provided on the end surface below the two oblique support rods (2); an abutment tube (7) movable up and down is provided on the connecting seat (6) at a position corresponding to each mounting hole (5); a vacuum glass heat collecting tube (8) is connected between each mounting hole (5) and the corresponding abutment tube (7); a joint body (19) intersecting the joint body is provided on the end surface of the connecting tube box (4); and a connecting tube (20) capable of stable connection is provided on the joint body (19).

2. The easy-to-maintain glass vacuum tube solar collector according to claim 1, characterized in that: A fixing seat (9) is fixedly provided on the bottom surface of the connecting seat (6) corresponding to each mounting hole (5), a cavity (10) is provided in each fixing seat (9), and an adjusting rod (11) movable up and down is provided in the cavity (10), and the end of the adjusting rod (11) extending out of the top surface of the fixing seat (9) is fixedly connected to the bottom surface of the abutting tube (7); A pressure plate (12) is fixedly provided on the outer side surface of the regulating rod (11) near the top wall of the cavity (10), and a compression spring (13) is wound between the pressure plate (12) and the bottom wall of the cavity (10), and the compression force of the compression spring (13) is greater than the sum of the gravity of the vacuum glass heat collecting tube (8) and the water inside.

3. The easy-to-maintain glass vacuum tube solar collector according to claim 2, characterized in that: A cylinder (15) capable of sleeve-connecting the adjusting rod (11) is fixedly provided on the outer end surface of each of the fixing seats (9), and a groove body (16) and a groove body (17) are respectively provided at two adjacent ends of the cylinder body (15), and the depth of the groove body (16) is greater than the depth of the groove body (17). An abutment column (18) is fixedly provided on the outer surface of the adjusting rod (11) corresponding to the groove body (16), and a grabbing plate (14) is fixedly provided on the end of the adjusting rod (11) extending out of the cylinder body (15).

4. An easy-to-maintain glass vacuum tube solar collector according to any one of claims 1 to 3, characterized in that: A placement groove (21) is provided on the inner wall end surface of the joint body (19) along its circumferential direction, and a conical groove (22) connected to the placement groove (21) is provided above the placement groove (21); the bottom surface of the connecting pipe (20) abuts against the bottom wall of the placement groove (21), and a clamping sleeve (25) matched with the conical groove (22) is provided on the outer wall of the connecting pipe (20); an external thread (23) is provided on the outer wall of the joint body (19), and an internal thread cylinder (24) matched with the external thread (23) is sleeved on the outer surface of the connecting pipe (20).

5. The easy-to-maintain glass vacuum tube solar collector according to claim 4, characterized in that: A wedge-shaped surface (26) is provided on the top surface of the clamping sleeve (25) along its circumferential direction, and a matching surface (27) matching the wedge-shaped surface (26) is also provided on the top wall of the internal threaded cylinder (24).

6. The easy-to-maintain glass vacuum tube solar collector according to claim 1, characterized in that: A rubber pad is also provided on the bottom wall of each abutment tube (7).

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