CN219107366U

CN219107366U - Fastening suite and photovoltaic installation system

Info

Publication number: CN219107366U
Application number: CN202223348820.9U
Authority: CN
Inventors: 陆玉玺; 田介花; 陈桂佳; 冯春暖
Original assignee: Longi Green Energy Technology Co Ltd
Current assignee: Longi Green Energy Technology Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-30
Anticipated expiration: 2032-12-13
Also published as: WO2024125005A1

Abstract

The utility model discloses a fastening sleeve and a photovoltaic installation system, relates to the technical field of photovoltaics, and aims to solve the problem that a photovoltaic module and a bracket are inconvenient to install. The fastening kit comprises a first threaded member and a mounting member in threaded connection, wherein the mounting member is detachably connected with the photovoltaic module or the bracket so as to limit the rotation of the mounting member relative to the photovoltaic module or the bracket. The photovoltaic installation system comprises the fastening sleeve set provided by the technical scheme. The fastening kit is used for connecting the photovoltaic module and the bracket.

Description

Fastening suite and photovoltaic installation system

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a fastening sleeve and a photovoltaic installation system.

Background

Generally, the photovoltaic module needs to be installed in various scenes, such as distributed roofs, centralized floors, water surfaces and other environments; the photovoltaic module and the support are connected through bolts and nuts, the flat gaskets are sleeved in the bolts during connection, the bolts sleeved with the gaskets penetrate out of the U-shaped holes of the frame at the back of the photovoltaic module from inside to outside, and finally the flat gaskets, the spring gaskets and the nuts are sequentially overlapped and sleeved with the bolt posts, so that the photovoltaic module and the support can be fastened and connected. The mode needs two hands to cooperate to operate, the steps are numerous, inconvenience is caused to the installation of staff, and the installation efficiency is low.

Disclosure of Invention

The utility model aims to provide a fastening sleeve and a photovoltaic installation system, so that the photovoltaic module is more convenient to install and connect with a bracket.

In order to achieve the above object, in a first aspect, the present utility model provides a fastening kit for connecting a photovoltaic module and a bracket, including a first screw member and a mounting member in threaded connection, the mounting member being detachably connected to the photovoltaic module or the bracket to restrict rotation of the mounting member relative to the photovoltaic module or the bracket.

Under the condition of adopting the technical scheme, when the photovoltaic module is connected with the bracket, the mounting piece can be mounted on the photovoltaic module or the bracket in advance through being detachably connected with the photovoltaic module or the bracket and is fixed at the position, and a worker only needs to screw the first threaded piece when fastening the photovoltaic module and the bracket, and does not need to screw the threaded piece to mount while supporting the mounting piece, so that the convenience of mounting and connecting the photovoltaic module and the bracket is improved; in addition, when photovoltaic module's frame is thin frame, because the subassembly frame thickness attenuation, the installation clearance in the subassembly frame is narrower, be limited to the size of first screw spare and staff's finger thickness, photovoltaic module and support installation are inconvenient, when adopting above-mentioned structure, the installed part can be installed in advance to photovoltaic module's frame on and fix both relative position, can the outside at photovoltaic module or support when staff fastening photovoltaic module and support revolve screw first screw spare can, do not need stretch into the installation clearance bearing installed part in the subassembly frame, thereby further improve photovoltaic module and support installation connection's convenience.

In some possible implementations, the mounting member includes a second threaded member and a carrier that is removably coupled to the photovoltaic module or bracket to limit rotation of the mounting member relative to the photovoltaic module or bracket; the second screw member is in threaded fit with the first screw member; the second screw member is detachably connected to the carrier and circumferentially positioned relative to the carrier, or the second screw member and the carrier are in an integrated structure. When the second screw thread piece and the supporting body are arranged in a split mode, the supporting body can be machined and replaced more conveniently; when second screw and supporting body are integrated into one piece, the processing has the screw hole on the installed part, does not need to adopt the second screw, has reduced part quantity, has improved the convenience of installation.

In some possible implementations, the carrier is clamped or clamped to the frame and/or the support of the photovoltaic module. The frame or the support of the photovoltaic module is connected with the support body through the connecting structure, and the frame or the support of the photovoltaic module is connected with the support body through the connecting structure.

In some possible implementations, the carrier includes a clamping slot that is clamped with a frame and/or a bracket of the photovoltaic module;

or, the supporting body comprises a clamping structure, and the clamping structure is fixedly connected with the frame and/or the bracket of the photovoltaic module. The structure of the supporting body is optimized, so that the supporting body is more convenient to connect with the frame or the bracket of the photovoltaic module.

In some possible implementations, the carrier includes a main board, a side board, and a positioning board, where the main board, the side board, and the positioning board are sequentially connected and enclose a clamping groove, and the carrier is clamped with a frame and/or a bracket of the photovoltaic module through the clamping groove. The arrangement can make the frame or the bracket connection of the supporting body and the photovoltaic module more convenient.

In some possible implementations, the carrier includes a snap feature that snaps with the second threaded member. The supporting body is clamped with the second threaded piece, so that the supporting body and the second threaded piece are more convenient to assemble and disassemble.

In some possible implementations, the second threaded member is provided with a polygonal ring at its outer periphery; the bearing body comprises a main board, and a polygonal through hole which is in clamping fit with the polygonal ring body is formed in the main board; or, the carrier comprises a main board and a positioning lug, the positioning lug is connected with the main board, a through hole is formed in the main board, a positioning groove communicated with the through hole is formed in the positioning lug, the positioning groove is a polygonal groove matched with the polygonal ring in a clamping manner, and the polygonal ring penetrates through the through hole and is embedded in the polygonal groove. So set up, can make second screw spare and carrier dismouting more convenient.

In some possible implementations, the outer periphery of the second screw is provided with an annular protrusion; the main board and the annular bulge are axially limited; or the cross section area of the through hole is larger than that of the positioning groove, and the positioning convex block and the annular bulge are axially limited. The second screw member and the supporting body can be mutually limited in the axial direction through the arrangement.

In some possible implementations, the second screw is screwed with the carrier. So set up, can make second screw spare and carrier dismouting more convenient.

In some possible implementations, the first screw member and/or the second screw member are provided with an annular locking member, and locking is achieved by the annular locking member when the first screw member is in threaded engagement with the second screw member. The first screw and the second screw are locked through the annular locking piece, and loosening of the first screw and the second screw after threaded connection is prevented.

In some possible implementations, one of the first and second screws comprises a threaded rod and the other comprises a threaded bore threadedly engaged with the threaded rod. So set up, first screw and second screw can pass through threaded rod and screw hole threaded connection.

In some possible implementations, the first threaded member is a flange bolt and the second threaded member is a flange nut. So set up, optimize the structure of first screw and second screw, reduce the part quantity when first screw is connected with the second screw, improve installation effectiveness.

In a second aspect, the utility model also provides a photovoltaic mounting system comprising a photovoltaic module, a bracket and a fastening kit as provided in any of the above aspects.

Under the condition of adopting the technical scheme, because the photovoltaic installation system adopts the fastening external member in this application, consequently can improve photovoltaic module and the convenience of support installation connection.

In some possible implementations, the photovoltaic installation system includes a first fastening sleeve and a second fastening sleeve, a first clamping groove is formed in an installation piece of the first fastening sleeve and is limited by being clamped with a frame of the photovoltaic module through the first clamping groove, a second clamping groove is formed in an installation piece of the second fastening sleeve and is limited by being clamped with the frame of the photovoltaic module through the second clamping groove, the opening directions of the first clamping groove and the second clamping groove are opposite, and the first fastening sleeve and the second fastening sleeve are symmetrically arranged on two sides of the photovoltaic module. The photovoltaic module frame is arranged on the frame, the two symmetrical distribution fastening suite is respectively connected with two sides of the photovoltaic module frame, and the photovoltaic module frame is connected with the support more stably.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is an exploded view of a fastening kit according to the present utility model;

FIG. 2 is a schematic view of a flange bolt and flange nut of the present utility model;

FIG. 3 is a schematic view of a first mount and a second mount according to the present utility model;

FIG. 4 is a schematic view of a photovoltaic module, a fastening kit and a fixing bracket according to the present utility model;

FIG. 5 is a schematic diagram II of a photovoltaic module, a fastening kit and a fixing bracket according to the present utility model;

FIG. 6 is a schematic view of a photovoltaic module, a fastening kit and a tracking bracket according to the present utility model;

FIG. 7 is a schematic diagram II of a photovoltaic module, a fastening kit and a tracking bracket according to the present utility model;

FIG. 8 is a schematic view of a photovoltaic module, a fastening kit and a flexible support of the present utility model;

FIG. 9 is a schematic diagram II of a photovoltaic module, a fastening kit and a flexible support according to the present utility model;

FIG. 10 is a schematic view of a photovoltaic module, a fastening kit and a water surface bracket according to the present utility model;

fig. 11 is a schematic diagram of a photovoltaic module, a fastening kit and a water surface bracket according to the present utility model.

Reference numerals:

the flange comprises a flange bolt, a bolt annular protrusion, a first toothed pattern, a flange nut, a nut annular protrusion, a second toothed pattern, a polygonal ring body, a locking member, a mounting member, a main plate, a side plate, a positioning lug, a clamping groove, a frame, a purlin, a connecting member, a rope, a floating body and a supporting member.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 11, the present utility model provides a fastening kit for connecting a photovoltaic module and a bracket, which includes a first threaded member and a mounting member 3 in threaded connection, wherein the mounting member 3 is detachably connected to the photovoltaic module or the bracket to limit rotation of the mounting member 3 relative to the photovoltaic module or the bracket. By way of example, the support may be a ground-mounted support for connecting photovoltaic modules, a roof-mounted support, a tracking support, a flexible support, a water-surface support, etc.

Under the condition of adopting the technical scheme, when the photovoltaic module is connected with the bracket, the mounting piece 3 can be mounted on the photovoltaic module or the bracket in advance through being detachably connected with the photovoltaic module or the bracket and fixed at the position, and a worker only needs to screw the first screw piece when fastening the photovoltaic module and the bracket, and does not need to screw the screw piece to mount while supporting the mounting piece 3, so that the convenience of mounting and connecting the photovoltaic module and the bracket is improved; in addition, when photovoltaic module's frame 4 is thin frame, because the thickness of subassembly frame 4 attenuation, the installation clearance in the subassembly frame 4 is narrower, be limited to the size of first screw spare and staff's finger thickness, photovoltaic module and support mounting are inconvenient, when adopting above-mentioned structure, install the relative position that 3 can install to photovoltaic module's frame 4 on in advance and fix both, can control first screw spare and install piece threaded connection in photovoltaic module or the outside of support when staff fastening photovoltaic module and support, do not need to stretch into the installation clearance bearing install piece 3 in the subassembly frame 4, thereby further improve photovoltaic module and support mounting connection's convenience.

As shown in fig. 1 to 3, further, the mounting member 3 includes a second screw member and a carrier, the carrier is detachably connected to the photovoltaic module or the bracket to limit rotation of the mounting member relative to the photovoltaic module or the bracket, the second screw member is detachably connected to the carrier and circumferentially positioned relative to the carrier, and the second screw member is in screw fit with the first screw member; by adopting the structure, the second screw member and the supporting body are arranged in a split mode, and the supporting body does not need to be provided with a threaded hole or a threaded rod matched with the first screw member in a threaded mode, so that the supporting body is more convenient to process. Illustratively, the carrier may be nylon plastic or stainless steel.

In another possible implementation, the mounting 3 is of integrally formed construction. Illustratively, the carrier is provided with a threaded hole or a threaded rod in threaded fit with the first threaded member, and the first threaded member is directly in threaded connection with the carrier without the need for providing a second threaded member; by adopting the structure, the supporting body is directly connected with the first screw thread piece in a threaded manner, and a second screw thread piece is not needed, so that the number of parts is reduced, and the convenience of installation is improved.

In some embodiments, the carrier is clamped or clamped to the frame 4 and/or the support of the photovoltaic module. By adopting the structure, the connection mode between the supporting body and the frame 4 or the bracket of the photovoltaic module is optimized, so that the supporting body is more convenient to connect with the frame 4 or the bracket of the photovoltaic module.

When the fastening kit is used for the fixing support, as shown in fig. 4 and 5, the frame 4 of the photovoltaic module is mounted on the purline 5 of the fixing support, at this time, a first long hole is formed in the frame 4 of the photovoltaic module, a second long hole is formed in the purline 5 of the fixing support, the supporting body is clamped or fixedly connected with the frame 4 of the photovoltaic module, one of the first threaded piece and the second threaded piece is a threaded rod, the other is a threaded hole, and the threaded rod penetrates through the first long hole, the second long hole and the threaded hole to be in threaded connection with the threaded hole, so that the frame 4 of the photovoltaic module is in fastening connection with the fixing support.

When the fastening external member is used for tracking the support, as shown in fig. 6 and 7, the tracking support includes the girder and sets up many secondary beams 6 on the girder, photovoltaic module's frame 4 is installed on tracking support's secondary beam 6, tracking support's secondary beam 6 is several font structures, several font structures include the roof, two curb plates and two bottom plates, the roof links to each other with the girder, bottom plate and photovoltaic module's frame 4 fastening connection, at this moment, be provided with first slot hole on photovoltaic module's frame 4, be provided with the second slot hole on tracking support's secondary beam 6's the bottom plate, the supporting body is connected with photovoltaic module's frame 4 and tracking support's secondary beam 6's bottom plate joint or clamp simultaneously, one of them screw rod of first screw member and second screw member is the threaded hole, the threaded rod passes first slot hole, second slot hole and threaded connection for photovoltaic module's frame 4 and tracking support fastening connection.

When the fastening external member is used for the flexible support, as shown in fig. 8 and 9, the flexible support comprises a rope 8, the flexible support and the photovoltaic module are connected through a mounting connecting piece 7, the rope 8 is mounted on the back side of the mounting connecting piece 7, the photovoltaic module is arranged on the front side of the mounting connecting piece 7, the frame 4 of the photovoltaic module is fixedly connected with the mounting connecting piece 7, at the moment, a first long hole is formed in the frame 4 of the photovoltaic module, a second long hole is formed in the mounting connecting piece 7, the supporting body is simultaneously connected with the frame 4 of the photovoltaic module and the mounting connecting piece 7 in a clamping mode, one of the first threaded piece and the second threaded piece is a threaded rod, the other threaded rod is a threaded hole, and the threaded rod passes through the first long hole, the second long hole and the threaded hole to be in threaded connection with the threaded hole, so that the frame 4 of the photovoltaic module is fixedly connected with the flexible support.

When the fastening external member is used for the surface of water support, as shown in fig. 10 and 11, the surface of water support includes body 9 and the support piece 10 of setting on body 9, support piece 10 one end and body 9 fixed connection, the other end is provided with the mounting panel, photovoltaic module's frame 4 and the mounting panel fastening connection of support piece 10 in the surface of water support, at this moment, be provided with first slot hole on photovoltaic module's frame 4, be provided with the second slot hole on the mounting panel of support piece 10 in the surface of water support, the supporting body simultaneously with photovoltaic module's frame 4 and the mounting panel joint or the clamp of support piece 10 in the surface of water support are connected, one of them is the threaded rod, another is the screw hole, the threaded rod passes first slot hole, second slot hole and screw hole threaded connection for photovoltaic module's frame 4 and surface of water support fastening connection.

In some alternatives, the carrier comprises a clamping groove that is clamped with the frame 4 and/or the bracket of the photovoltaic module; or, the carrier comprises a clamping structure, and the clamping structure is fixedly connected with the frame 4 and/or the bracket of the photovoltaic module. By adopting the structure, the structure of the supporting body is optimized, so that the supporting body is more convenient to be connected with the frame 4 or the bracket of the photovoltaic module.

As shown in fig. 1, further, the carrier includes a main board 31, a side board 32 and a positioning board 33, where the main board 31, the side board 32 and the positioning board 33 are sequentially connected and enclose a clamping groove, and the carrier is clamped with the frame 4 of the photovoltaic module through the clamping groove. Illustratively, the main board 31 is in a rectangular parallelepiped structure, the cross-sectional area of the positioning board 33 is smaller than that of the main board 31, the positioning board 33 is connected to one end of the main board 31 through the side board 32, and the positioning board 33, the side board 32 and the main board 31 form a C-shaped structure. By adopting the structure, the supporting body is clamped with the frame 4 of the photovoltaic module through the clamping groove, so that the supporting body is more convenient to connect with the photovoltaic module.

In some embodiments, the carrier includes a snap feature that snaps with the second threaded member. By adopting the structure, the supporting body is clamped with the second threaded piece, so that the supporting body and the second threaded piece are more convenient to assemble and disassemble.

As shown in fig. 1, further, the outer periphery of the second screw member is provided with a polygonal ring body 23, and the main board 31 is provided with a polygonal through hole in a clamping fit with the polygonal ring body 23. The second screw may be a polygonal solid structure matched with the polygonal through hole, for example. The cross section of the polygonal ring body 23 may be quadrilateral, hexagonal, octagonal, etc., preferably, the polygonal ring body 23 is a hexagonal ring body; the number of the cross-sectional sides of the polygonal through hole is identical to that of the polygonal ring 23, and the second screw is inserted into the polygonal through hole and positioned circumferentially with the polygonal through hole. By adopting the structure, the clamping structure is the polygonal through hole, and the second threaded piece is inserted into the polygonal through hole for installation and positioning, so that the second threaded piece and the supporting body are more convenient to assemble and disassemble.

In other embodiments, the carrier includes a main board 31 and a positioning bump 34, the positioning bump 34 is connected with the main board 31, a through hole is provided on the main board 31, a positioning groove communicated with the through hole is provided in the positioning bump 34, the positioning groove is a polygonal groove matched with the polygonal ring 23 in a clamping manner, and the polygonal ring 23 is embedded in the polygonal groove through the through hole. The cross section of the polygonal ring body 23 may be quadrilateral, hexagonal, octagonal, etc., preferably, the polygonal ring body 23 is a hexagonal ring body; the number of the cross-sectional sides of the polygonal groove is identical to that of the polygonal ring 23, and the second screw member is embedded in the polygonal groove and positioned circumferentially with the polygonal groove. By adopting the structure, the second screw member can be embedded in the positioning groove of the supporting body, so that the second screw member and the supporting body are more convenient to assemble and disassemble.

As shown in fig. 1 and 2, further, the outer periphery of the second screw member is provided with an annular protrusion, and the main plate 31 is axially limited to the annular protrusion. With this structure, the structure is adopted. The annular protrusion is axially limited through the main plate 31, so that the second threaded piece and the supporting body are more convenient to install and position.

In another alternative, the cross-sectional area of the through hole on the main plate 31 is larger than the cross-sectional area of the positioning groove, and the positioning lug 34 is axially limited by the annular protrusion. By adopting the structure, the second screw member is axially limited by the positioning lug 34, so that the second screw member and the supporting body are more convenient to install and position; meanwhile, the inner wall of the through hole on the main plate 31 can limit the radial movement of the second screw, so that the second screw is positioned more stably.

In some embodiments, the second threaded member is threadably coupled to the carrier. Illustratively, the second threaded member has an external thread on its outer periphery, and an internal thread is disposed in the positioning groove and mates with the external thread, and the second threaded member is threadedly connected to the positioning groove. At this time, the positioning protrusion 34 may have a cylindrical structure, and the positioning groove may have a cylindrical groove. By adopting the structure, the second screw member and the supporting body can be assembled and disassembled more conveniently.

As shown in fig. 2, further, the first screw member and/or the second screw member is provided with an annular locking member 24, and the locking is achieved by the annular locking member 24 when the first screw member is in threaded engagement with the second screw member. The first screw member is a threaded rod, the second screw member is a threaded hole, the annular locking member and the threaded hole are coaxially arranged, and the threaded rod penetrates through the annular locking member 24 and extrudes the annular locking member 24 in a direction away from the axis direction when extending into the threaded hole, so that the annular locking member 24 is subjected to plastic deformation or elastic deformation to apply an acting force to the threaded rod to achieve locking. By adopting the structure, the annular locking piece 24 is used for locking the first threaded piece and the second threaded piece, so that the first threaded piece and the second threaded piece can be prevented from loosening after being connected, and the stability of the connection of the first threaded piece and the second threaded piece is improved. Meanwhile, when the bolt and nut structure commonly used at present is connected, a spring gasket is required to be additionally arranged between the bolt and the nut to prevent loosening, when the annular locking piece 24 is adopted, the annular locking piece 24 can play a role in preventing loosening, so that the spring gasket is not required to be installed during installation, the installation steps are simplified, and the installation efficiency is improved.

In some alternatives, one of the first and second screws comprises a threaded rod and the other comprises a threaded bore threadedly engaged with the threaded rod. With this structure, the first screw member and the second screw member can be screwed with the screw hole by the threaded rod.

As shown in fig. 1 and 2, further, the first screw member is a flange bolt 1, and the second screw member is a flange nut 2. The flange bolt 1 is provided with a bolt annular protrusion 11, a first tooth pattern 12 is arranged on the bolt annular protrusion 11, the flange nut 2 is provided with a nut annular protrusion 21, namely, the annular protrusion on the second threaded piece is the nut annular protrusion 21, and a second tooth pattern 22 is arranged on the nut annular protrusion 21. In the current common bolt and nut structure, gaskets are required to be additionally arranged between a bolt and a nut when the bolt is a flange bolt 1, and when the nut is a flange nut 2, the annular bulge 11 of the bolt and the annular bulge 21 of the nut can be used as gaskets, so that the structures of a first threaded piece and a second threaded piece are optimized, the number of parts when the first threaded piece is connected with the second threaded piece is reduced, and the installation efficiency is improved; meanwhile, when the flange bolt 1 is connected with the flange nut 2, the first insection 12 of the flange bolt 1 can be contacted with the surface of the bracket to realize anti-skidding, and the second insection 22 of the flange nut 2 can be contacted with the surface of the frame 4 of the photovoltaic module to realize anti-skidding, so that the connection between the flange bolt 1 and the flange nut 2 is more stable.

In a second aspect, the present utility model also provides a photovoltaic mounting system comprising a photovoltaic module, a bracket and a fastening kit as provided in the above embodiments. The support can be a ground fixing support, a roof distributed support, a tracking support, a flexible support, a water surface support and the like which are used for connecting the photovoltaic module.

As shown in fig. 3, further, the photovoltaic installation system includes a first fastening sleeve and a second fastening sleeve, the installation piece 3 of the first fastening sleeve is provided with a first clamping groove 35 and is limited by the clamping connection between the first clamping groove 35 and the frame 4 of the photovoltaic module, the installation piece 3 of the second fastening sleeve is provided with a second clamping groove 36 and is limited by the clamping connection between the second clamping groove 36 and the frame 4 of the photovoltaic module, the opening directions of the first clamping groove 35 and the second clamping groove 36 are opposite, and the first fastening sleeve and the second first fastening sleeve are symmetrically arranged on two sides of the photovoltaic module. By adopting the structure, the two symmetrical distribution fastening kits are respectively connected with the two sides of the photovoltaic module frame 4, so that the photovoltaic module and the support are connected more stably

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a fastening external member for connect photovoltaic module and support, its characterized in that includes threaded connection's first screw and installed part, the installed part with photovoltaic module or the support can dismantle the connection, in order to restrict the installed part relative the rotation of photovoltaic module or the support.

2. The fastening kit of claim 1, wherein the mounting member comprises a second threaded member and a carrier that is removably coupled to the photovoltaic module or the bracket to limit rotation of the mounting member relative to the photovoltaic module or the bracket; the second screw member is in threaded fit with the first screw member;

the second screw member is detachably connected to the carrier and circumferentially positioned relative to the carrier, or the second screw member and the carrier are in an integrated structure.

3. The fastening kit of claim 2, wherein the carrier is clamped or clamped to the frame and/or the bracket of the photovoltaic module.

4. A fastening kit according to claim 3, wherein the carrier comprises a clamping groove that is clamped with a frame and/or the bracket of the photovoltaic module;

or, the supporting body comprises a clamping structure, and the clamping structure is fixedly connected with the frame of the photovoltaic module and/or the bracket.

5. The fastening kit according to claim 4, wherein the carrier comprises a main board, a side board and a positioning board, the main board, the side board and the positioning board are sequentially connected and enclose the clamping groove, and the carrier is clamped with the frame and/or the bracket of the photovoltaic module through the clamping groove.

6. The fastening kit of claim 2, wherein the carrier includes a snap-in structure that snaps into engagement with the second threaded member.

7. The fastening kit of claim 6, wherein the second threaded member is provided with a polygonal ring on its outer periphery;

the supporting body comprises a main board, and a polygonal through hole matched with the polygonal ring body in a clamping manner is formed in the main board;

or, the supporting body comprises a main board and a positioning lug, the positioning lug is connected with the main board, a through hole is formed in the main board, a positioning groove communicated with the through hole is formed in the positioning lug, the positioning groove is a polygonal groove matched with the polygonal ring in a clamping manner, and the polygonal ring penetrates through the through hole and is embedded in the polygonal groove.

8. The fastening kit according to claim 7, wherein an outer periphery of the second screw is provided with an annular protrusion;

the main board and the annular bulge are axially limited; or the cross section area of the through hole is larger than that of the positioning groove, and the positioning convex block and the annular protrusion are axially limited.

9. The fastening kit of claim 2, wherein the second threaded member is threadably coupled to the carrier.

10. The fastening kit according to claim 2, wherein an annular locking member is provided on the first screw member and/or the second screw member, and locking is achieved by the annular locking member when the first screw member is screw-engaged with the second screw member.

11. The fastening kit of any one of claims 2-10, wherein one of the first and second screws comprises a threaded rod and the other comprises a threaded bore in threaded engagement with the threaded rod.

12. The fastening kit of claim 11, wherein the first threaded member is a flange bolt and the second threaded member is a flange nut.

13. A photovoltaic mounting system comprising a photovoltaic module, a bracket and a fastening kit according to any one of claims 1-12, the photovoltaic module being connected to the bracket by the fastening kit.

14. The photovoltaic mounting system of claim 13, wherein the photovoltaic mounting system comprises a first fastening sleeve and a second fastening sleeve, wherein a first clamping groove is formed in a mounting piece of the first fastening sleeve and is clamped and limited by a frame of the photovoltaic module, a second clamping groove is formed in a mounting piece of the second fastening sleeve and is clamped and limited by a frame of the photovoltaic module, the opening directions of the first clamping groove and the second clamping groove are opposite, and the first fastening sleeve and the second fastening sleeve are symmetrically arranged on two sides of the photovoltaic module.