Corner protector for packaging photovoltaic module

Abstract

The invention relates to the technical field of packaging protection parts, in particular to a photovoltaic module packaging corner protector which comprises a protection frame, a photovoltaic panel module is placed in the protection frame, corners of the photovoltaic panel module are protected by the protection frame, an edge groove is formed in one end of the protection frame, a rubber cover is fixed in the edge groove, and the rubber cover is fixed to the edge groove. After the rubber cover covers the protective frame, the other end of the rubber cover is connected to the other end of the protective frame through a hook-and-loop fastener; the photovoltaic module packaging device has the beneficial effects that the protection effect on a photovoltaic module is achieved, multiple functions of deviation prevention limiting, sliding transferring and the like are achieved, the functions are rich, and multiple problems existing in an existing photovoltaic module packaging mode are effectively solved.

Description

Technical Field

[0001] This invention relates to the field of packaging protective components, specifically a corner protector for photovoltaic module packaging. Background Technology

[0002] During the transportation and storage of photovoltaic modules, the photovoltaic modules are easily damaged by bumps, scratches and jolting, which can reduce their performance and lifespan.

[0003] Existing photovoltaic module packaging methods do not provide comprehensive protection for photovoltaic panels. They typically only offer basic protection for the edges and corners, failing to effectively prevent scratches on the surface of the photovoltaic panels. Furthermore, during transportation, there are insufficient measures to prevent the photovoltaic panels from shaking and colliding inside the packaging.

[0004] At the same time, the existing packaging structure is prone to shifting and misalignment when multiple packages are stacked, making it inconvenient to stack them neatly. Furthermore, when multiple packages need to be transferred, the operation is not convenient enough, and there is a lack of effective transfer methods. Summary of the Invention

[0005] The purpose of this invention is to provide a corner protector for photovoltaic module packaging to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a corner protector for packaging photovoltaic modules, including a protective frame, in which photovoltaic modules are placed, and the corners of the photovoltaic modules are protected by the protective frame. One end of the protective frame is provided with a side groove, and a rubber cover is fixed inside the side groove. After the rubber cover covers the protective frame, the other end is connected to the other end of the protective frame by Velcro. The top surface of the protective frame has two sets of symmetrically distributed reserved slots. Inside the reserved slots are baffles. A limiting shaft with a height greater than the reserved slot is inserted into the surface of the baffle. The bottom end of the limiting shaft is fixed to the bottom surface of the reserved slot. Multiple inserts corresponding to the baffles are inserted into the outer ring surface of the protective frame. One end of the insert extends into the reserved slot and is inserted into the surface of the baffle. The bottom surface of the protective frame is provided with stacking slots that correspond one-to-one with the limiting shafts. When two protective frames are stacked, the limiting shaft at the top of one protective frame is inserted into the stacking slot at the bottom of the other protective frame. Pullers are rotatably connected to the two parallel side walls of the side groove. The surface of the limiting shaft is provided with a through hole, and long-handled bolts are inserted into the multiple through holes of the multiple protective frames arranged side by side.

[0007] Preferably, the protective frame is in the shape of an annular frame. A rubber pad is fixed on the top surface of the bottom plate of the protective frame. The rubber pad is clamped between the photovoltaic panel assembly and the bottom plate of the protective frame. The thickness of the photovoltaic panel assembly is less than the distance between the top surface and the bottom plate of the protective frame, and the distance between the top surface and the bottom plate of the protective frame is equal to the thickness of the baffle.

[0008] Preferably, the width of the side groove is greater than the width of the top groove of the protective frame. The rubber cover and the side groove have the same width. A plurality of reserved openings are provided on the surface of the rubber cover. When the rubber cover is laid above the protective frame to cover the photovoltaic panel assembly, the top end of the limiting shaft 1 is inserted into the reserved openings. A plurality of elastic traction pieces are fixed on the bottom surface of the side groove, and the top ends of the plurality of elastic traction pieces are fixed on the clamping strip on one side of the rubber cover. After the clamping strip is supported by the elastic traction pieces, the rubber cover is clamped on one side wall of the side groove.

[0009] Preferably, the magic tape includes a magic male tape fixed at one end of the rubber cover and a magic female tape fixed at the other end of the protective frame, and the magic male tape and the magic female tape are connected in cooperation.

[0010] Preferably, a rubber clamping strip is fixed on the side wall at one end of the reserved groove away from the limiting shaft 1. The length of the long side of the reserved groove is greater than the length of the baffle plate. After the baffle plate is received in the reserved groove, the rubber clamping strip is clamped between the baffle plate and the reserved groove and generates elastic deformation.

[0011] Preferably, a notch 1 is provided on the top surface at one end of the baffle plate away from the limiting shaft 1. A splicing column is fixed on the bottom surface of the notch 1. The height of the splicing column is equal to the height of the notch 1. The splicing column is a semi-cylindrical shape with an external thread on the side wall. After the two baffle plates symmetrically distributed about the groove of the protective frame extend out of the corresponding reserved grooves and the two baffle plates are placed close together, the limiting shaft 1 at the end of the two baffle plates forms a stud together, and a nut is sleeved on the stud.

[0012] Preferably, the side wall of the protective frame is provided with sockets corresponding to the reserved grooves one by one. The socket is in the shape of a "convex" groove, and the socket communicates with the reserved groove. A picking groove is provided on the bottom surface at one end of the socket away from the reserved groove. The insertion plate is inserted into the socket, and the insertion plate is in the shape of a "T" - shaped plate. The insertion plate penetrates through the socket and is inserted into the positioning groove provided on the surface of the baffle plate. A notch 2 in the shape of a "匚" is provided at the other end of the insertion plate, and a rubber belt is fixed on the surface of the notch 2. The two ends of the rubber belt are respectively fixed on the top surface and the bottom surface of the socket, and a pull ring is fixed at the other end of the insertion plate.

[0013] Preferably, a rubber sheet is fixed on the top surface of the stacking groove.

[0014] Preferably, through holes for the long - shank bolts to penetrate are provided on the limiting shaft 1, the bottom surface of the reserved groove, and the surface of the rubber sheet.

[0015] Preferably, a second limiting shaft is inserted into the surface of the pulley. The second limiting shaft is a "T"-shaped cylinder, and one end of the second limiting shaft is fixed to the side wall of the side groove.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The corner protector for photovoltaic module packaging proposed in this invention not only protects the photovoltaic modules, but also has multiple functions such as anti-deviation limiting and sliding transfer. It is feature-rich and effectively solves many problems existing in the current photovoltaic module packaging methods. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point B; Figure 3 for Figure 1 Sectional view of the structure at point AA; Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point C; Figure 5 for Figure 3 Enlarged schematic diagram of the structure at point D; Figure 6 This is a schematic diagram of the structure of the protective frame of the present invention after the rubber cover has been removed; Figure 7 for Figure 6 Enlarged schematic diagram of the structure at point E in the middle; Figure 8 This is a schematic diagram of the structure of the present invention after multiple protective frames are stacked; Figure 9 for Figure 8 Sectional view of the structure at the middle FF point; Figure 10 for Figure 9 Enlarged schematic diagram of the structure at point G in the middle; Figure 11 This is a schematic diagram of the structure of the present invention after multiple protective frames are erected; Figure 12 for Figure 11 Enlarged schematic diagram of the structure at point H; Figure 13 This is a schematic diagram of the structure after the baffle receives the reserved slot in this invention; Figure 14 for Figure 13 Enlarged schematic diagram of the structure at point I in the middle; Figure 15 This is a schematic diagram of the insert structure of the present invention.

[0018] In the diagram: 1. Protective frame; 2. Photovoltaic panel assembly; 3. Rubber pad; 4. Side groove; 5. Rubber cover; 6. Male Velcro; 7. Female Velcro; 8. Clip; 9. Elastic traction piece; 10. Reserved groove; 11. Limiting shaft one; 12. Baffle; 13. Rubber clip; 14. Notch one; 15. Splicing column; 16. Insertion port; 17. Picking groove; 18. Insert plate; 19. Positioning groove; 20. Notch two; 21. Rubber band; 22. Pull ring; 23. Through hole; 24. Long shank bolt; 25. Limiting shaft two; 26. Pulley; 27. Stacking groove; 28. Rubber sheet. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1 to 15 This invention provides a technical solution: a corner protector for photovoltaic module packaging, comprising a protective frame 1, inside which a photovoltaic panel module 2 is placed, the corners of the photovoltaic panel module 2 being protected by the protective frame 1. One end of the protective frame 1 has a side groove 4, inside which a rubber cover 5 is fixed. After the rubber cover 5 covers the protective frame 1, its other end is connected to the other end of the protective frame 1 via Velcro. The protective frame 1 is a ring-shaped frame, and a rubber pad 3 is fixed to the top surface of the bottom plate of the protective frame 1. The rubber pad 3 is sandwiched between the photovoltaic panel module 2 and the bottom plate of the protective frame 1. The thickness of the photovoltaic panel module 2 is less than the distance between the top surface of the protective frame 1 and the bottom plate of the protective frame 1, and the distance between the top surface of the protective frame 1 and the bottom plate of the protective frame 1 is equal to the thickness of the corner protector. The thickness of plate 12; the width of the side groove 4 is greater than the width of the top groove of the protective frame 1, the width of the rubber cover 5 is equal to that of the side groove 4, the surface of the rubber cover 5 is provided with multiple reserved openings, when the rubber cover 5 is laid on top of the protective frame 1 to cover the photovoltaic panel assembly 2, the top end of the limiting shaft 11 is inserted into the reserved opening, the bottom surface of the side groove 4 is fixed with multiple elastic traction pieces 9, the top ends of the multiple elastic traction pieces 9 are all fixed on the clamping strip 8 on one side of the rubber cover 5, after the clamping strip 8 is supported by the elastic traction pieces 9, the rubber cover 5 is clamped on one side wall of the side groove 4; the Velcro includes a male Velcro 6 fixed to one end of the rubber cover 5 and a female Velcro 7 fixed to the other end of the protective frame 1, the male Velcro 6 and the female Velcro 7 are connected together.

[0021] When in use, after placing the photovoltaic panel assembly 2 into the slot of the protective frame 1, the protective frame 1 protects the corners of the photovoltaic panel assembly 2 to avoid damage to the corners of the protective frame 1 due to being bumped. In order to better protect the photovoltaic panel assembly 2, the tensioning strip 8 drives the elastic traction sheet 9 to deform. After the strip 8 moves away from the side wall of the side groove 4, the rubber cover 5 is pulled out from the side groove 4 and the rubber cover 5 is pulled to cover the protective frame 1. The rubber cover 5 is tightened and in a taut state, and the magic male sticker 6 is pressed and adhered to the magic female sticker 7. At this time, the rubber cover 5 covers the photovoltaic panel assembly 2 to avoid scratching the surface of the photovoltaic panel assembly 2. When removing the photovoltaic panel assembly 2, the rubber cover 5 is inserted into the side groove 4 for storage. The rubber cover 5 in the side groove 4 is limited by the strip 8 and multiple elastic traction sheets 9 and will not fall out.

[0022] In order to realize the anti-bumping and limiting of the photovoltaic panel assembly 2 inside the protective frame 1 by using the baffle 12, the following is proposed: Two groups of symmetrically distributed reserved slots 10 are opened on the top surface of the protective frame 1. The baffle 12 is placed inside the reserved slot 10. A limiting shaft one 11 with a height greater than the reserved slot 10 is inserted on the surface of the baffle 12. The bottom end of the limiting shaft one 11 is fixed to the bottom surface of the reserved slot 10. A rubber clamping strip 13 is fixed on the side wall of the reserved slot 10 at the end far from the limiting shaft one 11. Multiple plug boards 18 corresponding to the baffle 12 one by one are inserted on the outer ring surface of the protective frame 1. One end of the plug board 18 extends into the reserved slot 10 and is inserted on the surface of the baffle 12; the length of the long side of the reserved slot 10 is greater than the length of the baffle 12. After the baffle 12 is put into the reserved slot 10, the rubber clamping strip 13 is clamped between the baffle 12 and the reserved slot 10 and generates elastic deformation; a notch one 14 is opened on the top surface of the baffle 12 at the end far from the limiting shaft one 11. A splicing column 15 is fixed to the bottom surface of the notch one 14. The height of the splicing column 15 is equal to the height of the notch one 14. The splicing column 15 is a semi-cylinder with an external thread on its side wall. After both baffles 12 symmetrically distributed about the slot opening of the protective frame 1 extend out of the corresponding reserved slots 10 and the two baffles 12 are placed together, the limiting shafts one 11 at the ends of the two baffles together form a stud, and a nut is sleeved on the stud; a socket 16 corresponding to the reserved slot one by one is opened on the side wall of the protective frame 1. The socket 16 is a "convex" shaped groove. The socket 16 communicates with the reserved slot 10. A picking groove 17 is opened on the bottom surface of the socket 16 at the end far from the reserved slot 10. The plug board 18 is inserted into the socket 16, and the plug board 18 is a "T" shaped board. The plug board 18 penetrates through the socket 16 and is inserted into a positioning groove 19 opened on the surface of the baffle 12. A notch two 20 in the shape of a "匚" is opened at the other end of the plug board 18. An elastic rubber band 21 is fixed on the surface of the notch two 20. The two ends of the elastic rubber band 21 are respectively fixed to the top surface and the bottom surface of the socket 16, and a pull ring 22 is fixed to the other end of the plug board 18.

[0023] The operation of using the distance of the baffle 12 is as follows: When the baffle 12 is in an idle state, it is pushed into the reserved slot 10. At this time, the side wall of the baffle 12 pushes the insert plate 18, and the insert plate 18 stretches the rubber band 21 to produce elastic deformation. The rebound force of the rubber clamp 13 between the baffle 12 and the reserved slot 10 prevents the baffle 12 from swinging in the reserved slot 10. The baffle 12, as part of the side plate of the protective frame 1, jointly protects the photovoltaic panel assembly 2. After the photovoltaic panel assembly 2 is placed into the slot of the protective frame 1, the baffle 12 is rotated 90 degrees around the limiting shaft 11 as the center axis into the inner ring of the protective frame 1. In this way, the baffle 12 on the other side is also adjusted out. At this time, the insert plate 18 and the positioning slot 19 correspond, and the rubber band... 21. The rebound traction plate 18 is inserted into the positioning slot 19 to achieve anti-sway limit of the baffle 12. The baffle 12 blocks the photovoltaic panel 2 from the top, preventing the photovoltaic panel 2 from shaking in the protective frame 1. When the baffle 12 is stored, it serves as part of the protective frame 1 to protect the photovoltaic panel 2. When the baffle 12 is extended, it prevents the photovoltaic panel 2 from shaking and limits its movement. The baffle 12 has multiple uses. In order to further strengthen the protection of the photovoltaic panel 2 by the two sets of baffles 12, a screw nut can be fitted on the stud formed by the limiting shaft 11 at the ends of the two baffles 12 that are close together. In this way, the two baffles 12 are connected together and jointly bear the upward impact force of the photovoltaic panel 2.

[0024] To facilitate the neat stacking of multiple protective frames 1, the following was proposed: The bottom surface of the protective frame 1 is provided with a stacking groove 27 corresponding to the limiting shaft 11. When two protective frames 1 are stacked, the limiting shaft 11 at the top of one protective frame 1 is inserted into the stacking groove 27 at the bottom of the other protective frame 1. A rubber sheet 28 is fixed on the top surface of the stacking groove 27.

[0025] When multiple protective frames 1 are stacked, since the height of the limiting shaft 11 is greater than the height of the reserved slot 10, the top of the limiting shaft 11 on the lower protective frame 1 is inserted into the stacking slot 27 at the bottom of the upper protective frame 1, so that two adjacent protective frames 1 are neatly aligned and stacked. The rubber sheet 28 is clamped between the limiting shaft 11 and the stacking slot 27 to play a certain role in shock absorption. The limiting shaft 11 not only serves as the limiting center shaft when the baffle 12 rotates, but also satisfies the positioning function when multiple protective frames 1 are stacked. Therefore, the limiting shaft 11 has multiple uses.

[0026] To facilitate the relocation of multiple sets of erected protective frames 1, the following was proposed: On the two parallel sidewalls of the side groove 4, pulleys 26 are rotatably connected. The surface of the limiting shaft 11 has through holes 23. Long-handled bolts 24 are inserted into the multiple through holes 23 after the multiple protective frames 1 are arranged side by side. The bottom surface of the limiting shaft 11, the reserved groove 10 and the surface of the rubber sheet 28 are all provided with through holes 23 for the long-handled bolts 24 to pass through. The surface of the pulley 26 is connected to the limiting shaft 25, which is a "T"-shaped cylinder. One end of the limiting shaft 25 is fixed to the sidewall of the side groove 4.

[0027] When multiple protective frames 1 are stacked, the long-handled bolt 24 can be passed through the through hole 23 and locked. The long-handled bolt 24 fixes the multiple stacked protective frames 1 together, preventing the stacked protective frames 1 from shaking. When unloading, the multiple stacked protective frames 1 can be stood up until the pulley 26 contacts the ground. At this time, the multiple protective frames 1 can be pushed to slide and transfer. At this time, the limiting shaft 11 realizes the through-limiting of the long-handled bolt 24. In addition, the limiting shaft 11 also serves as the limiting center shaft when the baffle 12 rotates. Furthermore, the limiting shaft 11 also satisfies the positioning function when multiple protective frames 1 are stacked. Therefore, the limiting shaft 11 has multiple uses.

[0028] The protective frame 1 not only protects the photovoltaic module 2, but also prevents deviation and limits the stacking of multiple photovoltaic modules 2, and enables the sliding transfer of multiple stacked photovoltaic modules 2 after they are erected. In other words, the protective frame 1 has multiple functions.

[0029] How to use corner protectors for photovoltaic module packaging: I. Placement and Foundation Protection of Photovoltaic Panel Modules: Place the photovoltaic panel module 2 smoothly into the groove of the protective frame 1. The protective frame 1 then protects the edges and corners of the photovoltaic panel module 2, effectively preventing damage from impacts. A rubber pad 3 is fixed to the top surface of the bottom plate of the protective frame 1, sandwiching the photovoltaic panel module 2 between it and the bottom plate of the protective frame 1, providing cushioning protection for the photovoltaic panel module 2. Note that the thickness of the photovoltaic panel module 2 should be less than the distance between the top surface of the protective frame 1 and the bottom plate of the protective frame 1, and this distance should be equal to the thickness of the baffle 12.

[0030] II. Use of the Rubber Cover: To better protect the photovoltaic panel module 2, tension the clamping strip 8, causing the elastic traction piece 9 to deform, moving the clamping strip 8 away from one side wall of the side groove 4. Then, pull the rubber cover 5 out of the side groove 4. Pull the rubber cover 5 onto the protective frame 1, ensuring the rubber cover 5 is taut and in a tight state. Multiple pre-drilled openings are provided on the surface of the rubber cover 5. When the rubber cover 5 is laid on top of the protective frame 1 and covers the photovoltaic panel module 2, the top of the limiting shaft 11 should be inserted into the pre-drilled opening. Press and adhere the Velcro male adhesive 6 fixed at one end of the rubber cover 5 to the Velcro female adhesive 7 fixed at the other end of the protective frame 1, so that the rubber cover 5 firmly covers the photovoltaic panel module 2, preventing the surface of the photovoltaic panel module 2 from being scratched. When it is necessary to remove the photovoltaic panel module 2, insert the rubber cover 5 into the side groove 4 for storage. The rubber cover 5 in the side groove 4 is limited by the clamping strip 8 and multiple elastic traction pieces 9, preventing it from falling out.

[0031] III. Use of the baffle: When idle, the baffle 12 is pushed into the pre-reserved slot 10 on the top surface of the protective frame 1. At this time, the side wall of the baffle 12 pushes the insert plate 18, and the insert plate 18 stretches the rubber band 21 to produce elastic deformation. At the same time, the rubber clamp 13 is clamped between the baffle 12 and the pre-reserved slot 10. Its rebound force can prevent the baffle 12 from swinging in the pre-reserved slot 10. At this time, the baffle 12 serves as part of the side plate of the protective frame 1, jointly protecting the photovoltaic panel assembly 2. After the photovoltaic panel assembly 2 is placed into the slot of the protective frame 1, the baffle 12 is moved so that it rotates 90 degrees around the limiting shaft 11 into the inner ring of the protective frame 1. The baffle 12 on the other side is also adjusted in the same way. At this time, the positioning grooves 19 on the surfaces of the insert plate 18 and the baffle 12 correspond. The rubber band 21 rebounds and pulls the insert plate 18 into the positioning groove 19, thereby limiting the sway of the baffle 12. The baffle 12 blocks the photovoltaic panel 2 from shaking within the protective frame 1. To further reinforce the protection of the photovoltaic panel 2 by the two sets of baffles 12, a screw nut can be fitted onto the stud formed by the limiting shafts 11 at the ends of the two baffles 12 that are close together, so that the two baffles 12 are connected together and jointly bear the upward impact force of the photovoltaic panel 2. When the baffle 12 is stored, it is pushed back into the reserved groove 10, returning to an idle state, and continues to serve as part of the protective frame 1 to protect the photovoltaic panel 2.

[0032] IV. Stacking of Multiple Protective Frames: The bottom surface of the protective frame 1 has stacking slots 27 corresponding to the limiting shafts 11. When two protective frames 1 are stacked, the top of the limiting shaft 11 on the lower protective frame 1 is inserted into the stacking slot 27 at the bottom of the upper protective frame 1, so that the two adjacent protective frames 1 are neatly aligned and stacked. A rubber sheet 28 is fixed to the top surface of the stacking slot 27. The rubber sheet 28 is clamped between the limiting shaft 11 and the stacking slot 27, which plays a certain role in shock absorption.

[0033] V. Fixing and Moving Multiple Protective Frames: The surface of the limiting shaft 11 has through holes 23. After multiple protective frames 1 are arranged side-by-side, long-handled bolts 24 are passed through the through holes 23 of the limiting shaft 11 (the bottom surface of the limiting shaft 11, the reserved groove 10, and the surface of the rubber sheet 28 all have through holes 23 for the long-handled bolts 24 to pass through). Then, the long-handled bolts 24 are tightened to fix the multiple stacked protective frames 1 together, preventing the stacked protective frames 1 from shaking. Pulleys 26 are rotatably connected to the two parallel side walls of the side groove 4. A limiting shaft 25 is inserted into the surface of the pulleys 26. The limiting shaft 25 is a "T"-shaped cylinder, with one end fixed to the side wall of the side groove 4. During unloading, the multiple stacked protective frames 1 are erected until the pulleys 26 contact the ground. At this time, the multiple protective frames 1 can be pushed and moved.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corner protector for packaging photovoltaic modules, comprising a protective frame (1), wherein a photovoltaic panel module (2) is placed inside the protective frame (1), and the corners of the photovoltaic panel module (2) are protected by the protective frame (1), characterized in that: One end of the protective frame (1) is provided with a side groove (4), and a rubber cover (5) is fixed inside the side groove (4). After the rubber cover (5) covers the protective frame (1), the other end is connected to the other end of the protective frame (1) by Velcro. The top surface of the protective frame (1) has two sets of symmetrically distributed reserved slots (10). Inside the reserved slots (10) are placed baffles (12). A limiting shaft (11) with a height greater than that of the reserved slots (10) is inserted into the surface of the baffles (12). The bottom end of the limiting shaft (11) is fixed to the bottom surface of the reserved slots (10). Multiple inserts (18) corresponding to the baffles (12) are inserted into the outer ring surface of the protective frame (1). One end of the insert (18) extends into the reserved slots (10) and is inserted into the surface of the baffles (12). The bottom surface of the protective frame (1) is provided with a stacking groove (27) corresponding to the limiting shaft (11). When two protective frames (1) are stacked, the limiting shaft (11) at the top of one protective frame (1) is inserted into the stacking groove (27) at the bottom of the other protective frame (1). On the two parallel sidewalls of the side groove (4), pulleys (26) are rotatably connected. The surface of the limiting shaft (11) is provided with a through hole (23). Long-handled bolts (24) are inserted into the multiple through holes (23) after the multiple protective frames (1) are arranged side by side.

2. The corner protector for photovoltaic module packaging according to claim 1, characterized in that: The protective frame (1) is a ring frame. A rubber pad (3) is fixed on the top surface of the bottom plate of the protective frame (1). The rubber pad (3) is sandwiched between the photovoltaic panel assembly (2) and the bottom plate of the protective frame (1). The thickness of the photovoltaic panel assembly (2) is less than the distance between the top surface of the protective frame (1) and the bottom plate of the protective frame (1). The distance between the top surface of the protective frame (1) and the bottom plate of the protective frame (1) is equal to the thickness of the baffle (12).

3. The corner protector for photovoltaic module packaging according to claim 1, characterized in that: The width of the side groove (4) is greater than the width of the top groove of the protective frame (1). The width of the rubber cover (5) and the side groove (4) are equal. The surface of the rubber cover (5) is provided with multiple reserved openings. When the rubber cover (5) is laid on the top of the protective frame (1) to cover the photovoltaic panel assembly (2), the top end of the limiting shaft (11) is inserted into the reserved opening. Multiple elastic traction plates (9) are fixed on the bottom surface of the side groove (4). The top ends of the multiple elastic traction plates (9) are all fixed on the clamping strip (8) on one side of the rubber cover (5). After the clamping strip (8) is supported by the elastic traction plates (9), it clamps the rubber cover (5) on one side wall of the side groove (4).

4. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: The Velcro includes a male Velcro (6) fixed to one end of the rubber cover (5) and a female Velcro (7) fixed to the other end of the protective frame (1), with the male Velcro (6) and the female Velcro (7) connected together.

5. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: The reserved groove (10) has a rubber clamp (13) fixed on the side wall of the end away from the limiting shaft (11). The length of the long side of the reserved groove (10) is greater than the length of the baffle (12). After the baffle (12) is put into the reserved groove (10), the rubber clamp (13) is clamped between the baffle (12) and the reserved groove (10) and produces elastic deformation.

6. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: The baffle plate (12) is provided with a first notch (14) on the top surface of the end far from the first limiting shaft (11). A splicing column (15) is fixed on the bottom surface of the first notch (14). The height of the splicing column (15) is equal to the height of the first notch (14). The splicing column (15) is a semi-cylinder with an external thread on its side wall. After the two baffle plates (12) symmetrically distributed about the notch of the protective frame (1) extend from the corresponding reserved slots (10), when the two baffle plates (12) are leaned together, the first limiting shafts (11) at the ends of the two baffle plates (12) are assembled into a stud, and a nut is sleeved on the stud.

7. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: The side wall of the protective frame (1) is provided with sockets (16) corresponding to the reserved slots (10) one by one. The socket (16) is a "convex"-shaped groove. The socket (16) communicates with the reserved slot (10). A picking groove (17) is provided on the bottom surface of the end of the socket (16) far from the reserved slot (10). An insertion plate (18) is inserted into the socket (16), and the insertion plate (18) is a "T"-shaped plate. After the insertion plate (18) penetrates through the socket (16), it is inserted into a positioning groove (19) provided on the surface of the baffle plate (12). A second notch (20) in a "C" shape is provided at the other end of the insertion plate (18). An elastic rubber band (21) is fixed on the surface of the second notch (20). The two ends of the elastic rubber band (21) are respectively fixed on the top surface and the bottom surface of the socket (16), and a pull ring (22) is fixed at the other end of the insertion plate (18).

8. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: A rubber sheet (28) is fixed on the top surface of the stacking groove (27).

9. A corner protector for photovoltaic module packaging according to claim 8, characterized in that: Perforations (23) for a long handle bolt (24) to penetrate are provided on the surface of the first limiting shaft (11), the bottom surface of the reserved slot (10), and the surface of the rubber sheet (28).

10. A corner protector for photovoltaic module packaging according to claim 1, characterized in that: A second limiting shaft (25) is inserted into the surface of the pulley (26). The second limiting shaft (25) is a "T"-shaped cylinder, and one end of the second limiting shaft (25) is fixed on the side wall of the side groove (4).

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