Anti-tearing fixing structure for photovoltaic module frame

Abstract

An anti-tearing fixing structure for a photovoltaic module frame comprises the photovoltaic module frame, a bolt, a nut and a gasket, the bolt sequentially penetrates through the gasket and the photovoltaic module frame and is in threaded connection with the nut, the bolt is provided with a threaded section, an anti-twisting section and a cap section which are sequentially arranged, and the gasket is provided with an anti-twisting hole for the threaded section to penetrate through and matched with the anti-twisting section. A protrusion is formed on the peripheral side of the anti-twist hole, and the protrusion is configured to be accommodated inside the cap section. According to the scheme, the stress area of the bolt and the photovoltaic module frame is increased by arranging the gasket, the pressure on the connecting part of the frame and the bracket when upward wind force is generated by strong wind is reduced, and the tear resistance of the photovoltaic module frame is improved; the protrusions which are arranged on the gasket and located on the peripheral sides of the anti-twisting holes can be used for optimizing distribution of borne pressure, and stress is prevented from being concentrated in the middle position. Meanwhile, the height of the anti-twisting hole is increased, and it is guaranteed that the anti-twisting section matched with the bolt is not prone to disengagement.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic module installation structures, in particular to an anti-tearing fixing structure for a photovoltaic component frame. Background Art

[0002] One of the common ways to install photovoltaic modules is to pass bolts through the holes on the long frame of the photovoltaic module and the holes on the photovoltaic bracket, and then fix the photovoltaic module on the photovoltaic mounting bracket by tightening nuts. In order to reduce costs, the edges of photovoltaic modules used for installation are getting thinner and thinner. When using ordinary bolts and nuts to fix them in windy weather, strong winds will generate upward wind force, lifting the photovoltaic module upward, causing the installation edge of the photovoltaic module to be torn, and the entire photovoltaic module to be blown away by the wind.

[0003] When the photovoltaic module is installed with bolts, the bolts themselves will rotate. When the photovoltaic module is installed with bolts, the operator must use a wrench to clamp the nut to turn the bolt head when tightening the bolt, or use a wrench to clamp the bolt head to turn the nut, so that the operator's two hands will be occupied during installation. If the bolt itself has an anti-rotation function, one hand can be freed to hold the photovoltaic module for positioning, without the need for a second person to hold the photovoltaic module, or hold other objects when working at height, thereby improving the personal safety of the operator.

[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to design a photovoltaic module frame anti-tearing fixing structure to solve the above problems. Utility Model Content

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a photovoltaic module frame anti-tearing fixing structure.

[0006] To achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a tear-proof fixing structure for a photovoltaic module frame, comprising a photovoltaic module frame, a bolt, a nut and a gasket, wherein the bolt passes through the gasket and the photovoltaic module frame in sequence and is threadedly connected to the nut, the bolt has a threaded section, an anti-twist section and a cap section which are arranged in sequence, the gasket has an anti-twist hole for the threaded section to pass through, a ridge is formed on the peripheral side of the anti-twist hole, and the ridge is configured to be accommodated in the interior of the cap section.

[0007] The preferred technical solution is: a through hole for the threaded segment to pass through is provided on the frame of the photovoltaic module.

[0008] The preferred technical solution is that the anti-twist section is composed of a plurality of inverted conical ribs formed on the peripheral wall of the bolt and arranged along the axial direction.

[0009] The preferred technical solution is: the outer diameter of the bottom section of the anti-twist section is smaller than the aperture of the anti-twist hole, and the outer diameter of the top section of the anti-twist section is larger than the aperture of the anti-twist hole.

[0010] The preferred technical solution is: the gasket is configured as a rectangular sheet structure, and the photovoltaic module frame has a top contact structure that abuts against at least one side of the gasket.

[0011] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0012] The utility model proposes a photovoltaic module frame tear-proof fixing structure, which increases the force-bearing area of ​​the bolt and the photovoltaic module frame by setting a gasket, reduces the pressure on the connection part of the frame and the bracket when the wind is strong and generates upward wind force, and improves the tear resistance of the photovoltaic module frame; wherein, the ridges arranged on the gasket and located around the anti-twist hole can be used to optimize the distribution of the pressure and avoid the force being concentrated in the middle position. At the same time, the height of the anti-twist hole is increased to ensure that the anti-twist section that is not easy to cooperate with the bolt is not disengaged; on the one hand, this structure can improve the tear resistance of the photovoltaic module frame, and on the other hand, because the rotation of the gasket is restricted by the photovoltaic module frame, a single-handed tightening operation is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the anti-tearing fixing structure of the photovoltaic module frame.

[0014] Figure 2 This is a schematic diagram of the bolt structure involved in the utility model.

[0015] Figure 3 This is a schematic diagram of the gasket structure involved in the utility model.

[0016] Figure 4 It is a cross-sectional view of the bolt and gasket involved in the utility model in the assembled state. DETAILED DESCRIPTION

[0017] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0018] See also Figure 1-Figure 4. It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Example:

[0021] like Figure 1 As shown, according to an overall technical concept of the utility model, a photovoltaic module frame tear-proof fixing structure is provided, including a photovoltaic module frame 1, a bolt 2, a nut (not shown) and a gasket 3, the bolt 2 sequentially passes through the gasket 3 and the photovoltaic module frame 1 and is threadedly connected with the nut, the bolt 2 has a threaded section 21, an anti-twist section 22 and a cap section 23 arranged in sequence, the gasket 3 has an anti-twist hole 31 for the threaded section 21 to pass through, and a ridge 32 is formed on the circumference of the anti-twist hole 31, and the ridge 32 is configured to be accommodated in the interior of the cap section 23. Among them, the gasket 3 is used to increase the force-bearing area of ​​the bolt 2 and the photovoltaic module frame 1, reduce the pressure on the connection part of the frame and the bracket when the strong wind generates upward wind force, and improve the tear resistance of the photovoltaic module frame 1; the ridge 32 on the circumference of the anti-twist hole 31 is used to optimize the distribution of the pressure to be borne, and avoid the force being concentrated in the middle position. At the same time, the height of the anti-twist hole 31 is increased to ensure that the anti-twist section 22 that is not easy to be disengaged from the bolt 2 is ensured.

[0022] like Figures 1 to 4 As shown, in an exemplary embodiment of the present utility model, a through hole for the threaded section 21 to pass through is provided on the photovoltaic component frame 1.

[0023] like Figures 1 to 4 As shown, in an exemplary embodiment of the utility model, the anti-twist section 22 is composed of a plurality of inverted conical ribs 221 formed on the peripheral wall of the bolt 2 and arranged axially. Moreover, the outer diameter of the bottom section of the anti-twist section 22 is smaller than the aperture of the anti-twist hole 31, and the outer diameter of the top section of the anti-twist section 22 is larger than the aperture of the anti-twist hole 31. In the actual assembly process, the conical ribs 221 will squeeze the anti-twist hole 31, and as the bolt 2 and the nut 3 are tightened, the conical ribs 221 are equivalent to the expansion bolts pressed into the anti-twist hole 31 to improve the connection stability between the two. In addition, in other embodiments, the anti-twist section 22 can also be configured as a regular hexagonal prism structure, and the anti-twist hole 31 is configured as a regular hexagonal hole structure, which is used to achieve anti-rotation. The implementation method is that when the bolt 2 rotates, the bolt 2 must drive the gasket 3 to rotate, and the rotation of the gasket 3 is limited by the frame 1 of the photovoltaic module.

[0024] like Figures 1 to 4 As shown, in an exemplary embodiment of the present invention, the gasket 3 is configured as a rectangular sheet structure, and the photovoltaic component frame 1 has a top contact structure that abuts against at least one side of the gasket 3. In this embodiment, the top contact structure is specifically configured as a side panel 11.

[0025] It should be noted that the bolt 2 and the gasket 3 can be pressed or assembled into a whole by interference fit or other methods, so as to save the time of assembly at the workplace and thus improve the installation efficiency of the photovoltaic module.

[0026] Therefore, the utility model has the following advantages:

[0027] The utility model proposes a photovoltaic module frame tear-proof fixing structure, which increases the force-bearing area of ​​the bolt and the photovoltaic module frame by setting a gasket, reduces the pressure on the connection part of the frame and the bracket when the wind is strong and generates upward wind force, and improves the tear resistance of the photovoltaic module frame; wherein, the ridges arranged on the gasket and located around the anti-twist hole can be used to optimize the distribution of the pressure and avoid the force being concentrated in the middle position. At the same time, the height of the anti-twist hole is increased to ensure that the anti-twist section that is not easy to cooperate with the bolt is not disengaged; on the one hand, this structure can improve the tear resistance of the photovoltaic module frame, and on the other hand, because the rotation of the gasket is restricted by the photovoltaic module frame, a single-handed tightening operation is achieved.

[0028] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A photovoltaic module frame tear-proof fixing structure, comprising a photovoltaic module frame, a bolt, a nut and a gasket, wherein the bolt passes through the gasket and the photovoltaic module frame in sequence and is threadedly connected with the nut, characterized in that: The bolt has a threaded section, an anti-twist section and a cap section arranged in sequence, the gasket has an anti-twist hole for the threaded section to pass through, a ridge is formed on the circumference of the anti-twist hole, and the ridge is configured to be accommodated in the interior of the cap section.

2. A photovoltaic module frame tear-proof fixing structure according to claim 1, characterized in that: The photovoltaic component frame is provided with a through hole for the threaded section to pass through.

3. The photovoltaic module frame anti-tearing fixing structure according to claim 1, characterized in that: The anti-twist section is composed of a plurality of inverted conical ribs formed on the peripheral wall of the bolt and arranged along the axial direction.

4. The photovoltaic module frame tear-proof fixing structure according to claim 1, characterized in that: The outer diameter of the bottom section of the anti-twist section is smaller than the aperture of the anti-twist hole, and the outer diameter of the top section of the anti-twist section is larger than the aperture of the anti-twist hole.

5. The photovoltaic module frame tear-proof fixing structure according to claim 1, characterized in that: The gasket is configured as a rectangular sheet structure, and the photovoltaic component frame has a top contact structure that abuts against at least one side of the gasket.

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