Clamp and roofing system

Abstract

The embodiment of the utility model provides a clamp and a roof system, and the clamp comprises a first connecting piece which is used for installing a photovoltaic module; the second connecting piece comprises a first clamping plate and a guide part which are connected to the bottom of the first connecting piece, the first clamping plate and the guide part are oppositely arranged, and the distance between the first clamping plate and the guide part is gradually reduced in the direction towards the first connecting piece; the third connecting piece is arranged between the first clamping plate and the guide part, one end of the third connecting piece abuts against the guide part, and the other end of the third connecting piece is arranged opposite to the first clamping plate, so that the roof lockrand structure is clamped between the first clamping plate and the third connecting piece; wherein the third connecting piece is connected with the first connecting piece through a fastening piece. According to the technical scheme of the embodiment of the invention, the clamping force between the first clamping plate and the third connecting piece can be improved, so that the installation stability of the photovoltaic module is improved.

Description

Technical Field

[0001] The present application relates to the field of roofing technology, and in particular to a clamp and a roofing system. Background Art

[0002] Photovoltaic modules use solar energy as energy and are a form of renewable energy. Compared with traditional fossil fuel power generation, the power generation process of photovoltaic modules is emission-free, noise-free and environmentally friendly. With the global emphasis on environmental protection and sustainable development, people's demand for renewable energy continues to increase. As a representative of clean energy, photovoltaic modules have received widespread attention and support. In related technologies, photovoltaic modules are usually installed on the roof through clamps. How to ensure the installation stability of photovoltaic modules has become an urgent problem to be solved. Utility Model Content

[0003] The embodiments of the present application provide a clamp and a roofing system to solve or alleviate one or more technical problems in the prior art.

[0004] As one aspect of an embodiment of the present application, the embodiment of the present application provides a clamp, including: a first connecting member for installing a photovoltaic module; a second connecting member, including a first clamping plate and a guide portion connected to the bottom of the first connecting member, the first clamping plate and the guide portion are arranged opposite to each other, and the distance between the first clamping plate and the guide portion gradually decreases in the direction toward the first connecting member; a third connecting member is arranged between the first clamping plate and the guide portion, one end of the third connecting member abuts against the guide portion, and the other end of the third connecting member is arranged opposite to the first clamping plate, so that the roof locking structure is clamped between the first clamping plate and the third connecting member; wherein the third connecting member and the first connecting member are connected by fasteners.

[0005] In one embodiment, along the direction toward the first connecting member, the thickness of the guide portion in the arrangement direction of the first clamping plate and the guide portion gradually increases.

[0006] In one embodiment, the two surfaces of the guide portion in the first clamping plate and the guide portion arrangement direction are respectively the first surface and the second surface, the first surface is parallel to the first clamping plate, the second surface is arranged opposite to the first clamping plate, and the second surface forms an angle with the first surface.

[0007] In one embodiment, the second connecting member also includes a first connecting plate, which is connected between the first clamping plate and the guide portion, and the first connecting plate is located between the first connecting member and the third connecting member, and the fastener is passed through the third connecting member, the first connecting plate and the first connecting member.

[0008] In one embodiment, one of the first connecting member and the first connecting plate is provided with a plurality of protrusions arranged at intervals in the arrangement direction of the first clamping plate and the guide portion, and the other of the first connecting member and the first connecting plate is provided with a plurality of grooves arranged at intervals in the arrangement direction of the first clamping plate and the guide portion, and the plurality of protrusions are arranged in a one-to-one correspondence in the plurality of grooves.

[0009] In one embodiment, the third connecting member includes a second connecting plate and a second clamping plate, one end of the second connecting plate abuts against the guide portion, the second clamping plate is connected to the other end of the second connecting plate, and the second clamping plate is arranged opposite to the first clamping plate, and the fastener is connected to the second connecting plate.

[0010] In one embodiment, the second clamping plate is located on a side of the second connecting plate that is away from the first connecting member.

[0011] In one embodiment, the orthographic projection of the second connecting member on the horizontal plane is located within the orthographic projection of the first connecting member on the horizontal plane, and the orthographic projection of the third connecting member on the horizontal plane is located within the orthographic projection of the first connecting member on the horizontal plane.

[0012] In one embodiment, the first connector is provided with an elongated hole for connecting the photovoltaic module, and the elongated hole passes through the first connector; and / or the first connector, the second connector and the third connector are all aluminum alloy parts.

[0013] As another aspect of an embodiment of the present application, an embodiment of the present application provides a roof system, including: a roof assembly, including a roof locking structure; a photovoltaic assembly; a clamp of any of the above-mentioned embodiments, wherein the first connecting member of the clamp is used to install the photovoltaic assembly, and the roof locking structure is clamped between the first clamping plate and the third connecting member of the clamp.

[0014] The embodiment of the present application adopts the above technical solution to enhance the clamping force between the first clamping plate and the third connecting member, thereby enhancing the installation stability of the photovoltaic module.

[0015] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in the present application and should not be regarded as limiting the scope of the present application.

[0017] Figure 1 A schematic diagram of a three-dimensional structure of a clamp according to an embodiment of the present application is shown;

[0018] Figure 2 Show Figure 1 A left side view of the fixture shown in ;

[0019] Figure 3 Show Figure 1 A right side view of the fixture shown in ;

[0020] Figure 4 Show Figure 1 A front view of the fixture shown in ;

[0021] Figure 5 Show Figure 1 A rear view of the fixture shown in ;

[0022] Figure 6 Show Figure 1 A top view of the fixture shown in ;

[0023] Figure 7 Show Figure 1 Bottom view of the fixture shown in .

[0024] Description of reference numerals:

[0025] 10: Clamp: 100: First connecting member; 110: Photovoltaic connecting plate; 111: Long strip hole; 120: Vertical plate; 130: Horizontal plate; 200: Second connecting member; 210: First clamping plate; 220: Guide portion; 221: First surface; 222: Second surface; 230: First connecting plate; 300: Third connecting member; 310: Second connecting plate; 320: Second clamping plate. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present application. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] Combine the following Figure 1-Figure 7 A clamp according to an embodiment of the first aspect of the present application is described.

[0028] Figure 1 A schematic diagram of a three-dimensional structure of a clamp according to an embodiment of the present application is shown; Figure 2 Show Figure 1 A left side view of the fixture shown in ; Figure 3 Show Figure 1 The right side view of the fixture is shown in . Figure 1-Figure 3As shown, the clamp 10 includes a first connecting member 100 , a second connecting member 200 and a third connecting member 300 .

[0029] Specifically, the first connector 100 is used to install a photovoltaic module. The second connector 200 includes a first clamping plate 210 and a guide portion 220 connected to the bottom of the first connector 100. The first clamping plate 210 and the guide portion 220 are arranged opposite to each other, and the distance between the first clamping plate 210 and the guide portion 220 gradually decreases along the direction toward the first connector 100. The third connector 300 is arranged between the first clamping plate 210 and the guide portion 220, one end of the third connector 300 abuts against the guide portion 220, and the other end of the third connector 300 is arranged opposite to the first clamping plate 210, so that the roof lock edge structure is clamped between the first clamping plate 210 and the third connector 300; wherein the third connector 300 and the first connector 100 are connected by fasteners. Among them, "abutment" can be understood as one end of the third connector 300 is in contact with the guide portion 220 and there is a force.

[0030] For example, in combination Figure 1 , the first connecting member 100 may include a photovoltaic connecting plate 110, a vertical plate 120 and a horizontal plate 130. The photovoltaic connecting plate 110 is used to install photovoltaic modules and extends horizontally. The vertical plate 120 is perpendicular to the photovoltaic connecting plate 110, and the horizontal plate 130 is parallel to the photovoltaic connecting plate 110. The vertical plate 120 is connected between the photovoltaic connecting plate 110 and the horizontal plate 130. Among them, the photovoltaic connecting plate 110 and the vertical plate 120 together form a "7" shape, and the vertical plate 120 and the horizontal plate 130 together form an "L" shape. Optionally, the fastener can be a threaded fastener, such as a stainless steel bolt, to ensure a secure connection between the first clamping plate 210 and the third connecting member 300 while avoiding rust. The central axis of the fastener is perpendicular to the photovoltaic connecting plate 110.

[0031] For example, a first mounting hole may be formed on the transverse plate 130, and a second mounting hole may be formed on the third connecting member 300. During the assembly process of the clamp 10, the first mounting hole and the second mounting hole are firstly made to face each other, and then the fasteners are respectively passed through the first mounting hole and the second mounting hole, and the fasteners are tightened. In the process of gradually tightening the fasteners, the distance between the third connecting member 300 and the transverse plate 130 is gradually reduced. Since the distance between the first clamping plate 210 and the guide portion 220 is gradually reduced in the direction toward the first connecting member 100, under the action of the guide portion 220, the distance between the third connecting member 300 and the first clamping plate 210 is gradually reduced, so that the roof locking edge structure can be clamped between the third connecting member 300 and the first clamping plate 210.

[0032] In some embodiments, the first connecting member 100 may be an integrally formed structure, the second connecting member 200 may be an integrally formed structure, and the third connecting member 300 may be an integrally formed structure.

[0033] According to the clamp 10 of the embodiment of the present application, by making the second connecting member 200 include a first clamping plate 210 and a guide portion 220, and the distance between the first clamping plate 210 and the guide portion 220 gradually decreases in the direction toward the first connecting member 100, the guide portion 220 can play an effective guiding role, thereby improving the clamping force between the first clamping plate 210 and the third connecting member 300, thereby improving the installation stability of the photovoltaic module.

[0034] Figure 4 Show Figure 1 A front view of the fixture 10 shown in ; Figure 5 Show Figure 1 In one embodiment, referring to Figure 1 , Figure 4 and Figure 5 , along the direction toward the first connector 100, the thickness of the guide portion 220 in the arrangement direction of the first clamping plate 210 and the guide portion 220 gradually increases. With such a configuration, on the one hand, the guide portion 220 has a greater structural strength, thereby extending the service life of the entire clamp 10; on the other hand, it is ensured that along the direction toward the first connector 100, the distance between the first clamping plate 210 and the guide portion 220 can be gradually reduced, so that the guide portion 220 can play an effective guiding role, thereby enhancing the clamping force between the first clamping plate 210 and the third connector 300.

[0035] In one embodiment, the two surfaces of the guide portion 220 in the first clamping plate 210 and the arrangement direction of the guide portion 220 are respectively a first surface 221 and a second surface 222, the first surface 221 is parallel to the first clamping plate 210, the second surface 222 is arranged opposite to the first clamping plate 210, and the second surface 222 forms an angle with the first surface 221. Figure 1 , Figure 4 and Figure 5 In the example of FIG. 1 , the cross-sectional shape of the guide portion 220 is substantially a right triangle. The first surface 221 is perpendicular to the horizontal plane, and the second surface 222 is inclined relative to the horizontal plane.

[0036] In this embodiment, on the one hand, it can also ensure that the distance between the first clamping plate 210 and the guide portion 220 can be gradually reduced in the direction toward the first connecting member 100, so that the guide portion 220 can play an effective guiding role, thereby improving the clamping force between the first clamping plate 210 and the third connecting member 300. On the other hand, the entire outer surface of the clamp 10 can be made smoother and more beautiful.

[0037] In one embodiment, the second connecting member 200 may also include a first connecting plate 230, which is connected between the first clamping plate 210 and the guide portion 220, and the first connecting plate 230 is located between the first connecting member 100 and the third connecting member 300, and the fastener is passed through the third connecting member 300, the first connecting plate 230 and the first connecting member 100.

[0038] For example, in Figure 1 , Figure 4 and Figure 5 In the example of , the first connecting plate 230 is connected to the top of the guide portion 220 and the top of the first clamping plate 210. The transverse plate 130 is overlapped on the first connecting plate 230, and the bottom surface of the transverse plate 130 contacts the top surface of the first connecting plate 230. The first connecting plate 230 may be formed with a third mounting hole. During the assembly process of the clamp 10, the first mounting hole, the second mounting hole and the third mounting hole are firstly made to face each other, and then the fasteners are respectively passed through the first mounting hole, the third mounting hole and the second mounting hole, and the fasteners are tightened. In the process of gradually tightening the fasteners, the distance between the third connecting member 300 and the transverse plate 130 is gradually reduced. Since the distance between the first clamping plate 210 and the guide portion 220 is gradually reduced in the direction toward the first connecting member 100, under the action of the guide portion 220, the distance between the third connecting member 300 and the first clamping plate 210 is gradually reduced, so that the roof lock edge structure can be clamped between the third connecting member 300 and the first clamping plate 210.

[0039] In this embodiment, by providing the first connecting plate 230, the fastener can be inserted into the third connecting member 300, the first connecting plate 230 and the first connecting member 100, thereby achieving fixed connection of the first connecting member 100, the second connecting member 200 and the third connecting member 300, thereby effectively ensuring the installation stability of the photovoltaic module, thereby improving safety and long-term reliability. In addition, the structure of the clamp 10 is simple and the cost is low.

[0040] In one embodiment, in combination Figure 1 , Figure 4 and Figure 5 , one of the first connector 100 and the first connector plate 230 is provided with a plurality of protrusions arranged at intervals in the arrangement direction of the first clamping plate 210 and the guide portion 220, and the other of the first connector 100 and the first connector plate 230 is provided with a plurality of grooves arranged at intervals in the arrangement direction of the first clamping plate 210 and the guide portion 220, and the plurality of protrusions are matched and arranged in the plurality of grooves in a one-to-one correspondence. In the description of the present application, "plurality" means two or more.

[0041] For example, in Figure 1 , Figure 4 and Figure 5 In the example, the top surface of the first connecting plate 230 is provided with a plurality of first grooves arranged at intervals, and a first protrusion is formed between two adjacent grooves. The bottom surface of the horizontal plate 130 is provided with a plurality of second protrusions, and a second groove is formed between two adjacent second protrusions. The first protrusion fits in the second groove, and the second protrusion fits in the second groove.

[0042] In this embodiment, by providing the above-mentioned multiple grooves and protrusions, and the multiple grooves and the multiple protrusions are arranged at intervals in the arrangement direction of the first clamping plate 210 and the guide portion 220, the relative movement of the first connecting member 100 and the second connecting member 200 in the arrangement direction of the first clamping plate 210 and the guide portion 220 can be effectively limited, thereby improving the assembly efficiency of the clamp 10.

[0043] In one embodiment, the third connecting member 300 may include a second connecting plate 310 and a second clamping plate 320. One end (eg, Figure 4 The left end of the second connecting plate 310 abuts against the guide portion 220, and the second clamping plate 320 is connected to the other end of the second connecting plate 310 (for example, Figure 4 The second clamping plate 320 is disposed opposite to the first clamping plate 210, and the fastener is connected to the second connecting plate 310. For example, Figure 1 , Figure 4 and Figure 5 In the example, the surface of the second connecting plate 310 is parallel to the horizontal plane, and the surface of the second clamping plate 320 is perpendicular to the horizontal plane. By providing the second connecting plate 310 and the second clamping plate 320, the second connecting plate 310 can realize the fixed connection between the entire third connecting member 300 and the first connecting member 100, thereby further ensuring the installation stability of the photovoltaic module. The second clamping plate 320 can increase the contact area between the third connecting member 300 and the roof locking structure, so that the roof locking structure can be more stably clamped between the second clamping plate 320 and the first clamping plate 210, and avoid the generation of local stress concentration.

[0044] In one embodiment, Figure 4 and Figure 5 As shown, the second clamping plate 320 can be located on the side of the second connecting plate 310 away from the first connecting member 100. In this way, the second clamping plate 320 does not need to occupy the space on the side of the second connecting plate 310 facing the first connecting member 100, so that a larger accommodation space can be defined between the guide portion 220, the surface of the second connecting plate 310 facing the first connecting member 100, and the first connecting member 100, and at least part of the roof lock edge structure can be located in the accommodation space, and the layout is more reasonable.

[0045] In one embodiment, the orthographic projection of the second connecting member 200 on the horizontal plane is located within the orthographic projection of the first connecting member 100 on the horizontal plane, and the orthographic projection of the third connecting member 300 on the horizontal plane is located within the orthographic projection of the first connecting member 100 on the horizontal plane. For example, the orthographic projection of the second connecting member 200 on the horizontal plane may be located within the orthographic projection of the horizontal plate 130 on the horizontal plane, and the orthographic projection of the third connecting member 300 on the horizontal plane may be located within the orthographic projection of the horizontal plate 130 on the horizontal plane.

[0046] In this embodiment, through the above arrangement, the first connecting member 100 can cover the second connecting member 200 and the third connecting member 300, so that the overall space occupied by the first connecting member 100, the second connecting member 200 and the third connecting member 300 in the horizontal direction is smaller, which is convenient for installation.

[0047] Figure 6 Show Figure 1 A top view of the fixture 10 shown in FIG. Figure 7 Show Figure 1 A bottom view of the fixture 10 shown in FIG. Figure 1 , Figure 6 and Figure 7 As shown, the first connector 100 is provided with an elongated hole 111 for connecting the photovoltaic module, and the elongated hole 111 runs through the first connector 100. Exemplarily, the photovoltaic module can be connected to the photovoltaic connection plate 110 through a photovoltaic bracket. The setting of the photovoltaic bracket enables the clamp 10 to adapt to photovoltaic modules of different shapes and sizes. The setting of the elongated hole 111 allows the operator to properly adjust the photovoltaic bracket, thereby playing a role in adjusting the photovoltaic module. Among them, the elongated hole 111 can extend along the arrangement direction of the first clamping plate 210 and the guide portion 220.

[0048] In this embodiment, the stress of the photovoltaic module can be released by providing the elongated holes 111, thereby ensuring the quality and reliability of the photovoltaic module. In addition, the clamping force and position of the photovoltaic module can be adjusted through the elongated holes 111, thereby ensuring the installation flatness of the photovoltaic module and avoiding errors.

[0049] In one embodiment, the first connector 100, the second connector 200 and the third connector 300 can all be aluminum alloy parts. Therefore, since aluminum alloy is a lightweight material, the weight of the clamp 10 is small and easy to install. In addition, the clamp 10 can have high corrosion resistance and high strength, and is not easy to oxidize and corrode, thereby extending the service life of the clamp 10.

[0050] The second aspect of the present application provides a roof system, including a roof assembly (not shown), a photovoltaic assembly (not shown) and a clamp 10 of any of the above embodiments. The roof assembly includes a roof edge locking structure. The first connecting member 100 of the clamp 10 is used to install the photovoltaic assembly, and the roof edge locking structure is clamped between the first clamping plate 210 and the third connecting member 300 of the clamp 10. Exemplarily, the roof assembly can be a 360-degree bite edge locking roof assembly. The photovoltaic assembly can be a double-glass photovoltaic assembly to improve the solar energy conversion efficiency.

[0051] According to the roof system of the embodiment of the present application, the photovoltaic module can be installed on the roof module by using the above-mentioned clamp 10. Moreover, the installation stability of the photovoltaic module can be effectively guaranteed, thereby improving safety and long-term reliability.

[0052] In the description of this specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0053] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0054] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0055] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numerals and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0057] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A clamp, characterized in that: include: A first connecting piece, used for installing a photovoltaic module; The second connecting member comprises a first clamping plate and a guide portion connected to the bottom of the first connecting member, wherein the first clamping plate and the guide portion are arranged opposite to each other, and a distance between the first clamping plate and the guide portion gradually decreases in a direction toward the first connecting member; A third connecting member is arranged between the first clamping plate and the guide portion, one end of the third connecting member abuts against the guide portion, and the other end of the third connecting member is arranged opposite to the first clamping plate, so that the roof locking structure is clamped between the first clamping plate and the third connecting member; wherein the third connecting member and the first connecting member are connected by fasteners.

2. The clamp according to claim 1, characterized in that: Along the direction toward the first connecting member, the thickness of the guide portion gradually increases in the arrangement direction of the first clamping plate and the guide portion.

3. The clamp according to claim 1, characterized in that: The two surfaces of the guide portion in the arrangement direction of the first clamping plate and the guide portion are respectively a first surface and a second surface, the first surface is parallel to the first clamping plate, the second surface is arranged opposite to the first clamping plate, and the second surface forms an angle with the first surface.

4. The clamp according to claim 1, characterized in that: The second connecting member also includes a first connecting plate, which is connected between the first clamping plate and the guide portion, and is located between the first connecting member and the third connecting member, and the fastener is inserted through the third connecting member, the first connecting plate and the first connecting member.

5. The clamp according to claim 4, characterized in that: One of the first connecting member and the first connecting plate is provided with a plurality of protrusions arranged at intervals in the arrangement direction of the first clamping plate and the guide portion, and the other of the first connecting member and the first connecting plate is provided with a plurality of grooves arranged at intervals in the arrangement direction of the first clamping plate and the guide portion, and the plurality of protrusions are arranged in a one-to-one correspondence in the plurality of grooves.

6. The clamp according to claim 1, characterized in that: The third connecting member includes a second connecting plate and a second clamping plate, one end of the second connecting plate abuts against the guide portion, the second clamping plate is connected to the other end of the second connecting plate, and the second clamping plate is arranged opposite to the first clamping plate, and the fastener is connected to the second connecting plate.

7. The clamp according to claim 6, characterized in that The second clamping plate is located on a side of the second connecting plate that is away from the first connecting member.

8. The clamp according to claim 1, characterized in that: The orthographic projection of the second connecting member on the horizontal plane is located within the orthographic projection of the first connecting member on the horizontal plane, and the orthographic projection of the third connecting member on the horizontal plane is located within the orthographic projection of the first connecting member on the horizontal plane.

9. The clamp according to any one of claims 1 to 8, characterized in that: The first connecting member is provided with an elongated hole for connecting the photovoltaic assembly, and the elongated hole passes through the first connecting member; and / or the first connecting member, the second connecting member and the third connecting member are all aluminum alloy members.

10. A roofing system, characterized in that: include: Roofing components, including roofing edge locking structures; Photovoltaic panels; According to the clamp as described in any one of claims 1 to 9, the first connecting member of the clamp is used to install the photovoltaic module, and the roof locking structure is clamped between the first clamping plate and the third connecting member of the clamp.

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