A photovoltaic panel connector suitable for trapezoidal roofs

By designing photovoltaic panel connectors suitable for trapezoidal roofs, and using a hook-shaped structure to interlock with the roof purlins, the problem of insufficient load-bearing capacity of connectors in existing technologies is solved, achieving safe and reliable connection in typhoon areas without leakage risk, and with controllable costs.

CN224438877UActive Publication Date: 2026-06-30ZHUHAI HUAFA NEW ENERGY INVESTMENT & DEV HLDG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI HUAFA NEW ENERGY INVESTMENT & DEV HLDG CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-30

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    Figure CN224438877U_ABST
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Abstract

This utility model discloses a photovoltaic panel connector suitable for trapezoidal roofs, comprising: a connector body, including a horizontally arranged base plate and a vertically arranged support plate; the base plate has guide slopes on both sides of its lower surface; a bolt hole is opened in the middle of the base plate; the top of the support plate extends horizontally away from the base plate to form an mounting wing plate; a matching bolt with a radially bent hook structure at its tail; and a waterproof gasket. This utility model, through the interlocking connection between the hook structure and the roof structural purlins, directly transfers the photovoltaic load to the building structural layer, significantly enhancing the load-bearing capacity and making it suitable for typhoon-prone areas; the hook structure design, combined with the waterproof gasket, ensures reliable connection while eliminating the risk of leakage; and the overall component cost is comparable to existing solutions, making it valuable for large-scale promotion.
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Description

Technical Field

[0001] This utility model relates to the field of photovoltaic panel installation, and in particular to a photovoltaic panel connector suitable for trapezoidal roofs. Background Technology

[0002] Existing trapezoidal roof photovoltaic systems use self-tapping screws to fix the connectors to the crests of the metal roof panel (thickness only 0.4-0.6mm). However, due to the weak load-bearing capacity of the roof panel and the screw thread pitch being greater than the panel thickness, the tensile strength is insufficient. In areas with high wind pressure, the roof panel is prone to tearing and the bolts may fall off, posing a serious safety hazard. Utility Model Content

[0003] The purpose of this invention is to provide a photovoltaic panel connector suitable for trapezoidal roofs to solve the above-mentioned problems.

[0004] According to one aspect of this utility model, a photovoltaic panel connector suitable for trapezoidal roofs is provided, comprising: a connector body, including a horizontally arranged base plate and a vertically arranged support plate, wherein the lower surface of the base plate has guide slopes on both sides that match the contour of the trapezoidal roof panel crest, a bolt through hole is opened in the middle of the base plate, and the top of the support plate extends horizontally away from the base plate to form a mounting wing plate, wherein a mounting hole is opened on the mounting wing plate; a matching bolt, wherein the bolt shank has external threads and the tail has a radially bent hook structure, the hook structure being used to hook the inner wall of the C-groove of the roof structural purlin; a waterproof gasket, disposed between the lower surface of the base plate and the upper surface of the trapezoidal roof panel crest; the matching bolt sequentially passes through the opening in the trapezoidal roof panel crest, the waterproof gasket and the bolt through hole, and is locked by a nut, and the hook structure is inserted into the inner wall of the C-groove of the roof structural purlin after rotation.

[0005] In some embodiments, the mounting flange is connected to the bottom of the photovoltaic purlin by bolts, and the photovoltaic purlin is connected to the photovoltaic module.

[0006] In some embodiments, the photovoltaic module has a fixing groove, and a fixing block is provided in the fixing groove. The fixing block, the photovoltaic module, and the photovoltaic purlin are fixedly connected by bolts.

[0007] In some embodiments, the thickness of the substrate portion is ≥5mm, and the thickness of the mounting wing plate is ≥4mm.

[0008] Compared with the prior art, the beneficial effects of this application are as follows:

[0009] This utility model directly transfers photovoltaic loads to the building structure layer through the interlocking connection between the hook-shaped structure and the roof purlins, which can significantly enhance the load-bearing capacity and is suitable for typhoon-prone areas. The hook-shaped structure design, combined with waterproof gaskets, ensures the reliability of the connection while eliminating the risk of leakage. Moreover, the overall component cost is the same as that of existing solutions, making it valuable for large-scale promotion. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the cross-sectional structure of the present invention;

[0011] Figure 2 for Figure 1 Screenshot from A-view;

[0012] Figure 3 This is a schematic diagram of the structure of the connector body of this utility model;

[0013] Figure 4 This is a schematic diagram of the structure of the matching bolts of this utility model. Detailed Implementation

[0014] 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.

[0015] refer to Figures 1 to 4 This application provides a photovoltaic panel connector suitable for trapezoidal roofs, comprising: a connector body 1, including a horizontally arranged base plate portion 2 and a vertically arranged support portion 3, wherein the lower surface of the base plate portion 2 is provided with guide slope slopes 4 on both sides matching the contour of the trapezoidal roof panel crest, a bolt through hole 5 is opened in the middle of the base plate portion 2, and the top of the support portion 3 extends horizontally away from the base plate portion 2 to form a mounting wing plate 6, and a mounting hole 7 is opened on the mounting wing plate 6; a matching bolt 8, the bolt portion is provided with external threads, and the tail portion is provided with a radially bent hook-shaped structure 9, the hook-shaped structure 9 being used to hook the inner wall of the C-shaped groove of the roof structural purlin 10; a waterproof gasket, disposed between the lower surface of the base plate portion 2 and the upper surface of the trapezoidal roof panel crest; the matching bolt 8 sequentially passes through the opening of the trapezoidal roof panel crest, the waterproof gasket and the bolt through hole 5, and is locked by a nut, and the hook-shaped structure 9 is inserted into the inner wall of the C-shaped groove of the roof structural purlin 10 after rotation.

[0016] In some embodiments, the mounting wing 6 is connected to the bottom of the photovoltaic purlin 11 by bolts, and the photovoltaic purlin 11 is connected to the photovoltaic module 12.

[0017] In some embodiments, the photovoltaic module 12 has a fixing groove, and a fixing block 13 is provided in the fixing groove. The fixing block 13, the photovoltaic module 12 and the photovoltaic purlin 11 are fixedly connected by bolts.

[0018] In some embodiments, the thickness of the substrate portion 2 is ≥5mm, and the thickness of the mounting wing plate 6 is ≥4mm.

[0019] The thickness of the connector body should not be less than 5mm, and the specification of the matching bolt 8 should not be less than M8. The length of the connector body, the diameter and quantity of the matching bolt 8 can be adjusted according to the actual needs of the photovoltaic project site, and it has wide adaptability.

[0020] The specific installation process of this application is as follows: First, confirm the planar position of the structural purlin 10 on the roof. Then, mark the installation position of the matching bolt 8 on the metal plate crest and drill holes. Pre-connect the matching bolt 8 with the connector body 1 and the waterproof gasket. At this time, the nut can be screwed into the screw part, but not tightened yet. Insert the matching bolt 8 into the metal plate and rotate the tail hook structure 9 into the groove of the roof structural purlin 10. Gently pull the matching bolt 8 upward to confirm that the matching bolt 8 has hooked the roof structural purlin 10. Tighten the nut to the design requirements. Then, install the photovoltaic purlin 11, photovoltaic module 12 and fixing block 13 in sequence using bolts.

[0021] This utility model directly transfers photovoltaic loads to the building structure layer through the interlocking connection between the hook-shaped structure 9 and the roof structure purlin 10, which can significantly enhance the load-bearing capacity and is suitable for typhoon-prone areas. The hook-shaped structure 9 is designed with waterproof gaskets to ensure the reliability of the connection while eliminating the risk of leakage. Moreover, the overall component cost is the same as the existing solution, which has the value for large-scale promotion.

[0022] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A photovoltaic panel connector suitable for trapezoidal roofs, characterized in that, include: The connector body includes a horizontally arranged base plate and a vertically arranged support plate. The lower surface of the base plate has guide slopes on both sides that match the contour of the trapezoidal roof panel. A bolt hole is opened in the middle of the base plate. The top of the support plate extends horizontally away from the base plate to form a mounting wing plate. A mounting hole is opened on the mounting wing plate. Matching bolts, the screw part is provided with external threads, and the tail is provided with a radially bent hook-shaped structure, the hook-shaped structure is used to hook the inner wall of the C-shaped groove of the roof structure purlin; A waterproof gasket is disposed between the lower surface of the substrate and the upper surface of the corrugation of the trapezoidal roof panel; The matching bolts pass through the corrugated openings, waterproof gaskets, and bolt holes of the trapezoidal roof panel in sequence, and are locked with nuts. The hook-shaped structure is rotated and embedded into the inner wall of the C-shaped groove of the roof structural purlin.

2. The photovoltaic panel connector for trapezoidal roofs according to claim 1, characterized in that, The mounting wing plate is connected to the bottom of the photovoltaic purlin by bolts, and the photovoltaic purlin is connected to the photovoltaic module.

3. The photovoltaic panel connector for trapezoidal roofs according to claim 2, characterized in that, The photovoltaic module has a fixing groove, and a fixing block is provided in the fixing groove. The fixing block, the photovoltaic module and the photovoltaic purlin are fixedly connected by bolts.

4. The photovoltaic panel connector for trapezoidal roofs according to claim 1, characterized in that, The thickness of the substrate portion is ≥5mm, and the thickness of the mounting wing plate is ≥4mm.