A u-shaped fastener for a photovoltaic module

Abstract

The utility model relates to a U type fastener for photovoltaic module belongs to photovoltaic module technical field, including upper pressure plate, the bottom of upper pressure plate places the lower pressure plate, the opposite side of upper pressure plate and lower pressure plate all is established and is given priority to two of the number of the gap slot, the top of upper pressure plate places two and one end penetrates the gap slot and extends to the connecting rod of lower pressure plate bottom, two connecting rods between be equipped with to adjust the adjusting assembly for its interval, adjusting assembly includes drive rod. The U type fastener for photovoltaic module, through the thread connection between drive rod and screw rod, the interval between two connecting rods is adjusted conveniently, improves use effect, through the sliding connection between connecting rod and gap slot, the connecting rod is supported, improves the stability of connecting rod, at the same time, through the effect of telescopic cover, the screw rod is protected, improves the service life of screw rod.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module technology, specifically a U-shaped fastener for photovoltaic modules. Background Technology

[0002] Photovoltaic modules, also known as solar cell modules, are composed of high-efficiency crystalline silicon solar cells, ultra-white textured tempered glass, EVA, transparent TPT backsheet, and aluminum alloy frame. They are characterized by long service life and strong mechanical resistance to external pressure. The conventional structural forms of solar cell modules include the following: glass shell structure, bottom box module, flat panel module, and fully sealed module without cover plate.

[0003] The patent CN214007684U discloses a U-shaped fastener for photovoltaic modules. This patent discloses a technical solution to improve the structural strength and solves the problem that the existing fastener structure is relatively fragile and that the fastener is easy to deform when the photovoltaic module is subjected to strong wind impact, which can cause the photovoltaic module to be lifted up.

[0004] When in use, the device improves structural strength through the action of transverse and longitudinal ribs. However, it is not convenient to fix photovoltaic modules to purlins of different sizes, which reduces the effectiveness of use. Therefore, a U-shaped fastener for photovoltaic modules is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a U-shaped fastener for photovoltaic modules, which has the advantage of convenient adjustment and solves the problem that existing U-shaped fasteners for photovoltaic modules are not convenient for fixing photovoltaic modules to purlins of different sizes, thus reducing the performance.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A U-shaped fastener for photovoltaic modules includes an upper pressure plate, a lower pressure plate placed at the bottom of the upper pressure plate, two clearance slots on opposite sides of the upper and lower pressure plates, two connecting rods with one end passing through the clearance slots and extending to the bottom of the lower pressure plate placed on the top surface of the upper pressure plate, and an adjustment component for adjusting the distance between the two connecting rods.

[0008] The adjustment assembly includes a drive rod, which is rotatably connected to the right side of the left connecting rod via a bearing. A screw extending into the drive rod is fixedly connected to the left side of the left connecting rod. A fixing plate is rotatably connected to the outer peripheral wall of the drive rod via a bearing. A telescopic sleeve is fixedly connected between the fixing plate and the right connecting rod.

[0009] A support assembly is provided between the two connecting rods to support the right connecting rod.

[0010] A limiting component is provided between the two connecting rods to restrict the lower pressure plate.

[0011] Furthermore, a threaded hole is provided on the right side of the drive rod, and the screw extends into the interior of the threaded hole and is threadedly connected thereto.

[0012] Furthermore, both connecting rods are L-shaped rods, the connecting rods and the relief groove are slidably connected, and the screw is located inside the telescopic sleeve.

[0013] Furthermore, the support assembly includes a mounting rod, which is fixedly connected to the right side of the left connecting rod. A support hole is provided on the right side of the mounting rod. A support rod extending into the support hole is fixedly connected to the left side of the right connecting rod. The fixing plate and the mounting rod are fixedly connected. A frame extending to the top of the connecting rod is placed on the bottom surface of the upper pressure plate. A positioning groove is provided on the inner bottom wall of the frame. A positioning plate extending into the positioning groove is fixedly connected to the bottom surface of the upper pressure plate. Two support plates are fixedly connected to the bottom surface of the upper pressure plate.

[0014] Furthermore, the support rod and the support hole are fitted with a clearance, and the bottom surface of the frame and the bottom surface of the support plate are located on the same horizontal plane.

[0015] Furthermore, the frame is located between the two top clearance slots, and the positioning plate fits into the positioning slots.

[0016] Furthermore, the limiting component includes two connecting rings, which are respectively fitted onto the outer peripheral walls of the two connecting rods. Nuts are fitted onto the outer peripheral walls of the two connecting rods, and threaded grooves are fitted onto the outer peripheral walls of the two connecting rods. The connecting rings are located between the lower pressure plate and the nuts.

[0017] Furthermore, the nut and the threaded groove are threadedly connected, the connecting ring and the lower pressure plate are fitted together, and the connecting ring and the nut are fitted together.

[0018] Compared with the prior art, the present invention provides a U-shaped fastener for photovoltaic modules, which has the following advantages:

[0019] 1. This U-shaped fastener for photovoltaic modules allows for convenient adjustment of the distance between two connecting rods through a threaded connection between the drive rod and the screw, improving performance. The sliding connection between the connecting rod and the clearance groove supports the connecting rod, enhancing its stability. Simultaneously, the telescopic sleeve protects the screw, extending its service life.

[0020] 2. This U-shaped fastener for photovoltaic modules supports the connecting rod through the gap fit between the support rod and the support hole, improving the stability of the connecting rod. The fit between the positioning plate and the positioning groove conveniently restricts the frame to the upper pressure plate, making it easy for operators to operate. At the same time, the threaded connection between the nut and the threaded groove conveniently fixes the lower pressure plate, making it more convenient and practical. Attached Figure Description

[0021] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0022] Figure 2 This is an enlarged schematic diagram of the internal structure of this utility model;

[0023] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;

[0024] Figure 4 This is a partially enlarged schematic diagram of the internal structure of the support hole in this utility model.

[0025] In the diagram: 1 Upper pressure plate, 2 Connecting rod, 3 Frame, 4 Support plate, 5 Lower pressure plate, 6 Clearance groove, 7 Mounting rod, 8 Drive rod, 9 Positioning plate, 10 Positioning groove, 11 Connecting ring, 12 Nut, 13 Threaded groove, 14 Fixing plate, 15 Screw, 16 Telescopic sleeve, 17 Support rod, 18 Support hole. Detailed Implementation

[0026] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1 to 4 In this embodiment, a U-shaped fastener for photovoltaic modules includes an upper pressure plate 1, a lower pressure plate 5 placed at the bottom of the upper pressure plate 1, two clearance grooves 6 on opposite sides of the upper pressure plate 1 and the lower pressure plate 5, and two connecting rods 2 on the top surface of the upper pressure plate 1, one end of which passes through the clearance groove 6 and extends to the bottom of the lower pressure plate 5. An adjustment component is provided between the two connecting rods 2 to adjust their spacing.

[0028] The adjustment assembly includes a drive rod 8, which is rotatably connected to the right side of the left connecting rod 2 via a bearing. A screw 15, extending into the drive rod 8, is fixedly connected to the left side of the left connecting rod 2. A fixing plate 14 is rotatably connected to the outer peripheral wall of the drive rod 8 via a bearing. A telescopic sleeve 16 is fixedly connected between the fixing plate 14 and the right connecting rod 2.

[0029] The drive rod 8 has a threaded hole on its right side. The screw 15 extends into the threaded hole and is threadedly connected to it. Both connecting rods 2 are L-shaped rods. The connecting rods 2 and the relief groove 6 are slidably connected. The screw 15 is located inside the telescopic sleeve 16.

[0030] Specifically, rotating the drive rod 8 causes the right connecting rod 2 to move through the threaded connection between the drive rod 8 and the screw 15, as well as the threaded connection between the connecting rod 2 and the relief groove 6. This adjusts the distance between the two connecting rods 2. The telescopic sleeve 16 protects the screw 15 and improves its service life.

[0031] Please see Figures 1 to 4 In this embodiment, a support assembly for supporting the right connecting rod 2 is provided between the two connecting rods 2. The support assembly includes a mounting rod 7, which is fixedly connected to the right side of the left connecting rod 2. A support hole 18 is provided on the right side of the mounting rod 7. A support rod 17 extending into the support hole 18 is fixedly connected to the left side of the right connecting rod 2. The fixing plate 14 is fixedly connected to the mounting rod 7. A frame 3 extending to the top of the connecting rod 2 is placed on the bottom surface of the upper pressure plate 1. A positioning groove 10 is provided on the inner bottom wall of the frame 3. A positioning plate 9 extending into the positioning groove 10 is fixedly connected to the bottom surface of the upper pressure plate 1. Two support plates 4 are fixedly connected to the bottom surface of the upper pressure plate 1.

[0032] Among them, the support rod 17 and the support hole 18 are fitted with a clearance, the bottom surface of the frame 3 and the bottom surface of the support plate 4 are on the same horizontal plane, the frame 3 is located between the two top clearance grooves 6, and the positioning plate 9 and the positioning groove 10 are fitted together.

[0033] Specifically, the connecting rod 2 is supported by the gap fit between the support rod 17 and the support hole 18, which improves the stability of the connecting rod 2, pushes the frame 3, and inserts the positioning plate 9 into the positioning groove 10. The positioning plate 9 and the positioning groove 10 fit together to restrict the frame 3.

[0034] Please see Figures 1 to 4In this embodiment, a limiting component for restricting the lower pressure plate 5 is provided between the two connecting rods 2. The limiting component includes two connecting rings 11, which are respectively fitted on the outer peripheral walls of the two connecting rods 2. Nuts 12 are fitted on the outer peripheral walls of the two connecting rods 2, and threaded grooves 13 are fitted on the outer peripheral walls of the two connecting rods 2. The connecting rings 11 are located between the lower pressure plate 5 and the nuts 12.

[0035] Among them, nut 12 and threaded groove 13 are threadedly connected, connecting ring 11 and lower pressure plate 5 are fitted together, and connecting ring 11 and nut 12 are fitted together.

[0036] Specifically, the frame 3 and the lower pressure plate 5 are both attached to the purlin. By rotating the nut 12, the frame 3 and the lower pressure plate 5 are fixed to the purlin through the threaded connection between the nut 12 and the threaded groove 13.

[0037] The working principle of the above embodiments is as follows:

[0038] Rotating the drive rod 8 causes the right connecting rod 2 to move via the threaded connection between the drive rod 8 and the screw 15, as well as the threaded connection between the connecting rod 2 and the relief groove 6. This adjusts the distance between the two connecting rods 2. The connecting rod 2 is supported by the clearance fit between the support rod 17 and the support hole 18, improving its stability. The screw 15 is protected by the telescopic sleeve 16, extending its service life. Pushing the frame 3 causes the positioning plate 9 to be inserted into the positioning groove 10. The positioning plate 9 and the positioning groove 10 fit together, restricting the frame 3. The purlin is located between the two connecting rods 2, the upper pressure plate 1, and the lower pressure plate 5. The frame 3 and the lower pressure plate 5 are both in contact with the purlin. Rotating the nut 12, the frame 3 and the lower pressure plate 5 are fixed to the purlin via the threaded connection between the nut 12 and the threaded groove 13.

[0039] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0041] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A U-shaped fastener for photovoltaic modules, comprising an upper pressure plate (1), characterized in that: The bottom of the upper pressure plate (1) is provided with a lower pressure plate (5). The upper pressure plate (1) and the lower pressure plate (5) are provided with two clearance grooves (6) on their opposite sides. The top surface of the upper pressure plate (1) is provided with two connecting rods (2) with one end passing through the clearance groove (6) and extending to the bottom of the lower pressure plate (5). An adjustment component is provided between the two connecting rods (2) to adjust their spacing. The adjustment assembly includes a drive rod (8), which is rotatably connected to the right side of the left connecting rod (2) via a bearing. A screw (15) extending into the drive rod (8) is fixedly connected to the left side of the left connecting rod (2). A fixing plate (14) is rotatably connected to the outer peripheral wall of the drive rod (8) via a bearing. A telescopic sleeve (16) is fixedly connected between the fixing plate (14) and the right connecting rod (2). A support assembly for supporting the right connecting rod (2) is provided between the two connecting rods (2), and a limiting assembly for limiting the lower pressure plate (5) is provided between the two connecting rods (2).

2. A U-shaped fastener for photovoltaic modules according to claim 1, characterized in that: The drive rod (8) has a threaded hole on its right side, and the screw (15) extends into the threaded hole and is threadedly connected to it.

3. A U-shaped fastener for photovoltaic modules according to claim 1, characterized in that: Both connecting rods (2) are L-shaped rods, and the connecting rods (2) and the relief groove (6) are slidably connected. The screw (15) is located inside the telescopic sleeve (16).

4. A U-shaped fastener for photovoltaic modules according to claim 1, characterized in that: The support assembly includes a mounting rod (7), which is fixedly connected to the right side of the left connecting rod (2). The right side of the mounting rod (7) has a support hole (18). The left side of the right connecting rod (2) has a support rod (17) with one end extending into the support hole (18). The fixing plate (14) and the mounting rod (7) are fixedly connected. The bottom surface of the upper pressure plate (1) has a frame (3) with one end extending to the top of the connecting rod (2). The inner bottom wall of the frame (3) has a positioning groove (10). The bottom surface of the upper pressure plate (1) has a positioning plate (9) with one end extending into the positioning groove (10). The bottom surface of the upper pressure plate (1) has two support plates (4).

5. A U-shaped fastener for photovoltaic modules according to claim 4, characterized in that: The support rod (17) and the support hole (18) are fitted with a clearance, and the bottom surface of the frame (3) and the bottom surface of the support plate (4) are on the same horizontal plane.

6. A U-shaped fastener for photovoltaic modules according to claim 4, characterized in that: The frame (3) is located between the two top relief grooves (6), and the positioning plate (9) and the positioning groove (10) are fitted together.

7. A U-shaped fastener for photovoltaic modules according to claim 4, characterized in that: The limiting component includes two connecting rings (11), which are respectively fitted onto the outer peripheral walls of the two connecting rods (2). Nuts (12) are fitted onto the outer peripheral walls of the two connecting rods (2), and threaded grooves (13) are fitted onto the outer peripheral walls of the two connecting rods (2). The connecting rings (11) are located between the lower pressure plate (5) and the nuts (12).

8. A U-shaped fastener for photovoltaic modules according to claim 7, characterized in that: The nut (12) and the threaded groove (13) are threadedly connected, the connecting ring (11) and the lower pressure plate (5) are fitted together, and the connecting ring (11) and the nut (12) are fitted together.

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