An easily installed photovoltaic frame

Abstract

The utility model discloses an easily installed photovoltaic frame relates to photovoltaic frame technical field, the utility model discloses a four section bars and four corner connectors, and the section bar includes backplate, and the inside of backplate is equipped with top edge, pad edge and bottom edge from top to bottom in proper order, and the inside edge place of pad edge and bottom edge is integrally equipped with vertical edge, and the top edge, pad edge and backplate form the assembly cavity between, and pad edge, bottom edge, vertical edge and backplate form the corner code cavity between. The utility model discloses a novel photovoltaic frame is designed, and the section bar end portion does not need cutting, and the installation error and quality problem caused by cutting accuracy are completely eliminated, and meanwhile, any installation hole is completely unnecessary on the section bar and is prefabricated or is on -the -spot processing, and the installation process does not involve drilling, tapping and other steps, and the final fastening of whole connecting node is only realized through the tightening of a fastening screw, and the operation is extremely simple and fast, and the installation efficiency is improved several times.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic frame technology, and in particular relates to an easy-to-install photovoltaic frame. Background Technology

[0002] Traditional corner-mounted photovoltaic frames have the following drawbacks: 1. Before installation, the end of each profile must be precisely cut at a 45° bevel. This requires high precision from the cutting equipment and skilled workers. Any deviation in angle or length will result in the frame not being square and gaps being created.

[0003] 2. Drilling holes in the profile surface is necessary to fix the corner brackets to the profile with bolts. These mounting holes completely destroy the integrity of the profile wall, not only creating structural weak points, but more importantly, providing channels for moisture and dust to enter. Long-term exposure to the outdoor environment will cause the intruded moisture to corrode the internal bolts, reduce electrical insulation, and even freeze and expand at low temperatures, accelerating structural aging.

[0004] 3. Aluminum profiles typically have a dense anodized layer or coating on their surface, which is key to their corrosion resistance. The drilling process will completely destroy the protective layer around the hole, and the exposed metal substrate is more susceptible to electrochemical corrosion, affecting the service life of the entire frame.

[0005] 4. The entire process of frame installation involves multiple steps, including cutting, drilling, alignment, and fastening. It requires various tools and equipment, takes a long time to install, and has a high overall cost.

[0006] There are also some designs that attempt to simplify installation, such as using pre-installed plastic connectors, but these solutions usually have insufficient connection strength and cannot withstand the huge mechanical loads brought by extreme weather such as strong winds and heavy snow. Their reliability is questionable and they cannot be widely used in demanding photovoltaic power plant projects.

[0007] In summary, existing technologies have inherent drawbacks such as complex installation processes, poor sealing, damage to the corrosion resistance of profiles, and difficulty in balancing connection strength and efficiency. Therefore, there is an urgent need for a new type of photovoltaic frame that can completely solve the above problems and achieve high strength, high sealing, high efficiency, and non-destructive installation. Summary of the Invention

[0008] The purpose of this utility model is to provide an easy-to-install photovoltaic frame. By designing a new photovoltaic frame, the ends of the profile do not need to be cut, which completely eliminates the installation error and quality problems caused by cutting accuracy. At the same time, no mounting holes need to be prefabricated or processed on-site on the profile. The installation process does not involve drilling, tapping or other steps. The final fastening of the entire connection node is achieved by tightening only one fastening screw. The operation is extremely simple and quick, which improves the installation efficiency several times.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is an easy-to-install photovoltaic frame, comprising four profiles and four corner connectors; The profile includes a back plate, and the inner side of the back plate is provided with a top edge, a pad edge and a bottom edge from top to bottom. The pad edge and the bottom edge are integrally provided with a vertical edge. The top edge, the pad edge and the back plate form an assembly cavity. The pad edge, the bottom edge and the vertical edge and the back plate form a corner bracket cavity. The corner connector includes two corner brackets, two tightening edges, a clamping mechanism, and a right-angle connecting block with a cross-section consistent with that of the profile. The corner bracket includes a set of symmetrically arranged side plates. One end of the two side plates is connected by a weak point, and the other end of the two side plates forms an opening. A trapezoidal interval is formed between the two side plates. The narrow end of the trapezoidal interval is close to the weak point. A thin metal plate is embedded and fixed on the outside of the side plate. Several puncture points are provided on the outside of the thin metal plate. The tightening edge includes a straight plate portion, which is slidably disposed between the two side plate portions. One end of the straight plate portion is integrally provided with a tapered plate portion that is matched with a trapezoidal interval. The clamping mechanism includes a triangular block with a notch on the outside. A fastening screw is threaded through the notch and connected to it. A push block is fixed to one end of the fastening screw. The lower part of the right-angle connecting block forms two interconnected and vertically distributed corner code openings. The right-angle connecting block has a cutout on the outside of the inflection point. The opening side of the corner code edge is fixed inside the corner code opening. The straight plate part of the tightening edge is slidably disposed inside the corner code opening. The block body is fixed outside the cutout. The push block is slidably disposed at the connection point of the two corner code openings. The inner side of the push block is a right-angled surface and its two sides are respectively attached to the end faces of the two tightening edges. The four profiles are connected by four corner connectors to form a rectangular frame, and the corner brackets are set inside the corner bracket cavities of the profiles.

[0010] Furthermore, when the push block is positioned close to the block body, the two sides of the tapered plate portion of the tightening edge are in contact with the inner sides of the two side plates, and the corner bracket edge is in clearance fit with the corner bracket cavity of the profile.

[0011] Furthermore, when the push block is located away from the block, the tightening edge moves toward the weak point of the corner bracket edge, and the weak points of the two side plates break to form two outwardly expanding edges.

[0012] Furthermore, the top and bottom ends of the push block are respectively attached to the top and bottom surfaces inside the corner code opening, and the top and bottom edges of the tightening edge slide along the top and bottom surfaces inside the corner code opening.

[0013] Furthermore, a plate structure is formed on the inner side of the notch of the block, and a threaded sleeve is integrally provided on the plate structure. The fastening screw passes through the threaded sleeve and is threadedly connected to the threaded sleeve.

[0014] Furthermore, the fastening screw has a screw head at the end away from the push block, and the screw head is an internal hexagonal screw head or an external hexagonal screw head.

[0015] Furthermore, a right-angle relief opening is formed on the upper part of the right-angle connecting block, and the two ends of the relief opening are respectively connected to the component cavities of the profiles on both sides of the corner connector.

[0016] This utility model has the following beneficial effects: 1. This utility model, through the design of a novel photovoltaic frame, eliminates the need for cutting at the ends of the profile, completely eliminating installation errors and quality problems caused by cutting precision, reducing reliance on pre-processing equipment. At the same time, no pre-fabricated or on-site processing of any mounting holes is required on the profile, and the installation process does not involve drilling, tapping, or other steps. The final fastening of the entire connection node is achieved by tightening only one fastening screw, making the operation extremely simple and quick, enabling rapid installation, increasing installation efficiency several times, and significantly reducing labor and time costs.

[0017] 2. This utility model, through the design of a novel photovoltaic frame, fundamentally eliminates the path for moisture, dust, and corrosive gases to enter the frame through the mounting holes, since the profile body has no openings. This achieves the highest level of sealing and completely preserves the anodized layer or anti-corrosion coating on the surface of the profile, ensuring that its anti-oxidation and corrosion resistance are not damaged in any way. This greatly extends the service life and reliability of the photovoltaic frame in harsh environments.

[0018] 3. This utility model, through the design of the corner connector, uses the tapered fit on the tightening edge and the corner bracket edge to form a large-area, high-strength interference fit with the inner wall of the corner bracket cavity, resulting in uniform force distribution and effective resistance to tensile and shear forces in all directions. Furthermore, the puncture point on the outer side of the corner bracket edge can reliably pierce into the inner wall of the profile during expansion, forming a strong mechanical interlock. The design of the weak point ensures that the peak installation force is used to achieve final locking. Breakage indicates that the connection has reached the designed pre-tightening force, providing a direct indication of proper installation. This ensures the consistency, reliability, and irreversibility of each connection node, and guarantees the integrity of the corner bracket edge, facilitating its installation and production.

[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of an easy-to-install photovoltaic frame according to the present invention; Figure 2 This is a schematic diagram of the structure of this utility model from an external perspective; Figure 3 This is a cross-sectional view of the structure at the corner connector position of this utility model; Figure 4 This is a structural schematic diagram of a corner connector; Figure 5 A schematic diagram of the corner connector after removing the right-angle connecting block; The attached diagram lists the components represented by each number as follows: 1- Profile, 2- Corner connector, 3- Corner bracket edge, 4- Tightening edge, 5- Pressing mechanism, 6- Right-angle connecting block, 101- Back plate, 102- Top edge, 103- Pad edge, 104- Bottom edge, 105- Vertical edge, 301- Side plate, 302- Weak point, 303- Thin metal plate, 304- Puncture point, 401- Straight plate, 402- Conical plate, 501- Block, 502- Notch, 503- Fastening screw, 504- Push block, 505- Screw sleeve, 506- Screw head, 601- Corner bracket opening, 602- Cut, 603- Clearance opening. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 As shown, this utility model is an easy-to-install photovoltaic frame, including four profiles 1 and four corner connectors 2; Profile 1 includes a back plate 101. The inner side of the back plate 101 is provided with a top edge 102, a pad edge 103 and a bottom edge 104 from top to bottom. A vertical edge 105 is integrally provided at the inner edge of the pad edge 103 and the bottom edge 104. An assembly cavity is formed between the top edge 102, the pad edge 103 and the back plate 101. An angle bracket cavity is formed between the pad edge 103, the bottom edge 104 and the vertical edge 105 and the back plate 101. The corner connector 2 includes two corner bracket edges 3, two tightening edges 4, a clamping mechanism 5, and a right-angle connecting block 6 with the same cross-section as the profile 1; The corner bracket edge 3 includes a set of symmetrically arranged side plate portions 301. One end of the two side plate portions 301 is connected by a weak point 302, and the other end of the two side plate portions 301 forms an opening. A trapezoidal interval is formed between the two side plate portions 301. The narrow end of the trapezoidal interval is close to the weak point 302. A thin metal plate 303 is embedded and fixed on the outside of the side plate portion 301. Several puncture points 304 are provided on the outside of the thin metal plate 303. The tightening edge 4 includes a straight plate portion 401, which is slidably disposed between the two side plate portions 301. One end of the straight plate portion 401 is integrally provided with a tapered plate portion 402 that is matched with a trapezoidal interval. The clamping mechanism 5 includes a triangular block 501. A notch 502 is provided on the outer side of the block 501. A fastening screw 503 is threaded through and connected to the notch 502. A push block 504 is fixed to one end of the fastening screw 503. The lower part of the right-angle connecting block 6 forms two interconnected and vertically distributed corner code openings 601. The outside of the inflection point of the right-angle connecting block 6 is provided with a cut 602. The open side of the corner code edge 3 is fixed in the corner code opening 601. The straight plate part 401 of the tightening edge 4 is slidably disposed in the corner code opening 601. The block body 501 is fixed outside the cut 602. The push block 504 is slidably disposed at the connection point of the two corner code openings 601. The inner side of the push block 504 is a right-angled surface and both sides are respectively attached to the end faces of the two tightening edges 4. Four profiles 1 form a rectangular frame through four corner connectors 2, and corner brackets 3 are set inside the corner bracket cavity of the profiles 1.

[0024] Among them, such as Figure 3-5 As shown, when the push block 504 is located near the block 501, the two sides of the tapered plate portion 402 of the tightening edge 4 are in contact with the inner side of the two side plate portions 301, and the corner bracket edge 3 is in clearance fit with the corner bracket cavity of the profile 1.

[0025] When the push block 504 is located away from the block 501, the tightening edge 4 moves toward the weak point 302 of the corner code edge 3, and the weak point 302 of the two side plates 301 breaks to form two outward expansion edges.

[0026] Among them, such as Figure 4-5 As shown, the top and bottom of the push block 504 are respectively attached to the top and bottom surfaces of the corner code opening 601, and the top edge 102 and bottom surface of the tightening edge 4 slide along the top and bottom surfaces of the corner code opening 601.

[0027] Among them, such as Figure 2-3 As shown, a plate structure is formed on the inner side of the notch 502 of the block 501. A threaded sleeve 505 is integrally provided on the plate structure. The fastening screw 503 passes through the threaded sleeve 505 and is threadedly connected to the threaded sleeve 505.

[0028] Among them, such as Figure 2 As shown, the end of the fastening screw 503 away from the push block 504 is provided with a screw head 506, which is either an internal hexagonal screw head or an external hexagonal screw head.

[0029] Among them, such as Figure 1-2 and Figure 4-5 As shown, the upper part of the right-angle connecting block 6 forms a right-angle structure relief opening 603, and the two ends of the relief opening 603 are respectively connected to the component cavity of the profile 1 on both sides of the corner connector 2.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An easy-to-install photovoltaic frame, characterized in that: It includes four profiles (1) and four corner connectors (2); The profile (1) includes a back plate (101). The back plate (101) has a top edge (102), a pad edge (103), and a bottom edge (104) arranged sequentially from top to bottom on its inner side. A vertical edge (105) is integrally provided at the inner edge of the pad edge (103) and the bottom edge (104). A component cavity is formed between the top edge (102), the pad edge (103), and the back plate (101). A corner code cavity is formed between the pad edge (103), the bottom edge (104), the vertical edge (105), and the back plate (101). The corner connector (2) includes two corner brackets (3), two tightening edges (4), a pressing mechanism (5), and a right-angle connecting block (6) with the same cross-section as the profile (1). The corner bracket edge (3) includes a set of symmetrically arranged side plate portions (301). One end of the two side plate portions (301) is connected by a weak point (302), and the other end of the two side plate portions (301) forms an opening. A trapezoidal interval is formed between the two side plate portions (301). The narrow end of the trapezoidal interval is close to the weak point (302). A thin metal plate (303) is embedded and fixed on the outside of the side plate portion (301). Several puncture points (304) are provided on the outside of the thin metal plate (303). The tightening edge (4) includes a straight plate portion (401), which is slidably disposed between the two side plate portions (301). One end of the straight plate portion (401) is integrally provided with a conical plate portion (402) that is in cooperation with the trapezoidal interval. The clamping mechanism (5) includes a triangular block (501), with a notch (502) on the outside of the block (501), a fastening screw (503) threaded through and connected to the notch (502), and a push block (504) fixed at one end of the fastening screw (503). The lower part of the right-angle connecting block (6) forms two interconnected and vertically distributed corner code openings (601). The right-angle connecting block (6) has a cut (602) on the outside of the inflection point. The opening side of the corner code edge (3) is fixed inside the corner code opening (601). The straight plate part (401) of the tightening edge (4) is slidably disposed inside the corner code opening (601). The block body (501) is fixed outside the cut (602). The push block (504) is slidably disposed at the connection between the two corner code openings (601). The inner side of the push block (504) is a right-angled surface and both sides are respectively attached to the end faces of the two tightening edges (4). The four profiles (1) form a rectangular frame through four corner connectors (2), and the corner bracket edge (3) is set in the corner bracket cavity of the profile (1).

2. The easy-to-install photovoltaic frame according to claim 1, characterized in that, When the push block (504) is located near the block (501), the tapered plate portion (402) of the tightening edge (4) is in contact with the inner side of the two side plates (301), and the corner bracket edge (3) is in clearance fit with the corner bracket cavity of the profile (1).

3. The easy-to-install photovoltaic frame according to claim 2, characterized in that, When the push block (504) is located away from the block (501), the tightening edge (4) moves toward the weak point (302) of the corner code edge (3), and the weak point (302) of the two side plate portions (301) breaks to form two outward expansion edges.

4. The easy-to-install photovoltaic frame according to claim 1, characterized in that, The top and bottom of the push block (504) are respectively attached to the top and bottom surfaces of the corner code opening (601), and the top edge (102) and bottom surface of the tightening edge (4) slide along the top and bottom surfaces of the corner code opening (601).

5. The easy-to-install photovoltaic frame according to claim 1, characterized in that, A plate structure is formed on the inner side of the notch (502) of the block (501), and a threaded sleeve (505) is integrally provided on the plate structure. The fastening screw (503) passes through the threaded sleeve (505) and is threadedly connected to the threaded sleeve (505).

6. The easy-to-install photovoltaic frame according to claim 1, characterized in that, The fastening screw (503) has a screw head (506) at the end away from the push block (504), and the screw head (506) is an internal hexagonal screw head or an external hexagonal screw head.

7. The easy-to-install photovoltaic frame according to claim 1, characterized in that, The right-angle connecting block (6) forms a right-angle relief opening (603) on its upper part, and the two ends of the relief opening (603) are respectively connected to the component cavity of the profile (1) on both sides of the corner connector (2).

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