CN217115965U

CN217115965U - Flexible roofing photovoltaic module fixing device

Info

Publication number: CN217115965U
Application number: CN202220289273.2U
Authority: CN
Inventors: 贺迪; 周聪; 孔维; 赵国驰; 盛昊
Original assignee: Longi Solar Technology Co Ltd
Current assignee: Longi Solar Technology Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-02
Anticipated expiration: 2032-02-11

Abstract

The utility model provides a flexible roof photovoltaic module fixing device, which comprises a screw, a bolt sealing mechanism and a fixing mechanism; the first end of the screw rod is connected with the bolt sealing mechanism, and the other end of the screw rod is connected with the fixing mechanism; the bolt sealing mechanism comprises a step stud, a waterproof disc and a cushion disc which are arranged in sequence; the cushion disc is arranged on the roof; the waterproof disc covers the cushion disc and is connected with the roof in a sealing way; the step stud is connected with the waterproof disc in a sealing way; the first end of the screw rod sequentially penetrates through the roof, the cushion disc and the waterproof disc and is fixedly connected with the step stud. The utility model discloses a set up bolt sealing mechanism and fixed establishment at the both ends of screw rod, utilize fixed establishment with screw rod and roofing inner panel fixed connection, bolt sealing mechanism passes through step double-screw bolt and waterproof dish sealing connection, waterproof dish again with roofing sealing connection to realize fixing device's whole sealed effect.

Description

Flexible roofing photovoltaic module fixing device

Technical Field

The application relates to the field of buildings, in particular to a flexible roof photovoltaic module fixing device.

Background

Along with the popularization of clean energy, Building Integrated Photovoltaic (BIPV) components are applied more and more widely as building roofs, a layer of solar photovoltaic components is additionally arranged on the roofs of some public building houses and the roofs of large-scale industrial factory buildings, the solar energy is used for providing electricity in factories, the peak load regulation of power grids can be realized, and meanwhile, the electricity consumption cost of the factories can be reduced.

At present, a solar photovoltaic module is erected on a plane or an inclined plane suitable for receiving sunlight irradiation on a roof through a fixing structure, and the fixing structure in the related art mainly adopts an installation support to realize the installation and fixation of the solar photovoltaic module and the roof through a rotary anchor structure or a rivet pulling mode.

However, whether a rotary anchor structure form is adopted or a rivet pulling mode is adopted, the waterproof performance of the fixing structure has defects, and the batch popularization and use are not facilitated.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a flexible roofing photovoltaic module fixing device to there is the problem of waterproof performance defect in the fixed knot who solves among the prior art structure.

In a first aspect, an embodiment of the present invention provides a flexible roofing photovoltaic module fixing device, include: the screw, the bolt sealing mechanism and the fixing mechanism; the first end of the screw rod is connected with the bolt sealing mechanism, and the second end of the screw rod is connected with the fixing mechanism;

the bolt sealing mechanism comprises a step stud, a waterproof disc and a cushion disc which are arranged in sequence; the cushion disc is arranged on the roof; the waterproof disc covers the cushion disc and is connected with the roof in a sealing manner; the step stud is connected with the waterproof disc in a sealing mode;

the first end of the screw rod sequentially penetrates through the roof, the pad disc and the waterproof disc, and the first end of the screw rod is fixedly connected with the step stud.

Optionally, the screw comprises: the first screw rod and the second screw rod are connected through a cold bridge prevention mechanism and are not connected; the first screw is connected with the bolt sealing mechanism; the second screw is connected with the fixing mechanism.

Optionally, the cold bridge prevention mechanism comprises: the heat insulation pipe, the first heat insulation washer and the bolt pin; the first end of the heat insulation pipe is fixedly connected with the first screw rod through the bolt pin; the second end of the heat insulation pipe is fixedly connected with the second screw;

the first heat insulation gaskets are arranged between the heat insulation pipe and the first screw rod and between the bolt pin and the first screw rod and used for blocking heat conduction between the first screw rod and the heat insulation pipe.

Optionally, the second end of the heat insulation pipe is fixedly connected with the second screw rod through a bolt pin; first heat insulation gaskets are arranged between the heat insulation pipe and the second screw rod and between the bolt pin and the second screw rod and used for blocking heat conduction between the second screw rod and the heat insulation pipe.

Optionally, the cold bridge prevention mechanism comprises: the inner wall of the heat insulation pipe is provided with a heat insulation layer; the first end of the heat insulation pipe is in threaded connection with the first screw, and the second end of the heat insulation pipe is in threaded connection with the second screw.

Optionally, a step nut is arranged at one end, close to the cold bridge prevention mechanism, of the second screw rod; the step nut is sleeved on the second screw rod and is abutted against the cold bridge prevention mechanism; and a second heat-insulating washer is arranged between the step nut and the cold bridge prevention mechanism.

Optionally, a first sealing washer is arranged between the waterproof disc and the step stud; the first sealing washer is connected with the step stud in a sealing mode, and the first sealing washer is connected with the waterproof disc in a sealing mode.

Optionally, a sealing groove is formed in one side, close to the waterproof disc, of the pad disc, a second sealing washer is arranged in the sealing groove, and the thickness of the second sealing washer is larger than the depth of the sealing groove.

Optionally, the waterproof plate is provided with a protruding structure at a joint with the screw rod, the protruding structure is matched with the roof outer plate of the roof to form a hollow cavity, and the pad is located in the hollow cavity.

Optionally, the roof comprises an outer roof panel and an inner roof panel;

the fixing mechanism is a deformation nut; the deformation nut includes: a mounting ring and a bending sleeve;

the mounting ring is connected with the bending sleeve, and the mounting ring is positioned on one surface of the roof inner plate facing the roof outer plate; the bending sleeve penetrates through the roof inner plate; the second end of the screw rod penetrates through the mounting ring, the roof inner plate and the bending sleeve and is connected with the bending sleeve on one surface of the roof inner plate, which is far away from the roof outer plate;

the bending sleeve can be bent under the stress condition to form a clamping part, and the clamping part is matched with the mounting ring to form fastening connection of the screw rod and the roof inner plate.

The embodiment of the utility model provides an in, set up bolt sealing mechanism and fixed establishment at the both ends of screw rod, utilize fixed establishment with screw rod and roofing inner panel fixed connection, bolt sealing mechanism passes through step double-screw bolt and waterproof dish sealing connection, waterproof dish again with roofing sealing connection, thereby realize fixing device's whole sealed effect, and, because the screw rod is whole to be wrapped up by bolt sealing mechanism, can avoid the possibility of the threaded connection department infiltration of screw rod, consequently, can realize the fixed mounting of photovoltaic module and roofing, can guarantee fixing device's whole waterproof performance again, be suitable for actual installation and use.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a flexible roof photovoltaic module fixing device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a roof on which the flexible roof photovoltaic module fixing device is installed according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another flexible roof photovoltaic module fixing device provided by an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a circled in fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another flexible roof photovoltaic module fixing device provided by an embodiment of the present invention;

fig. 6 is an enlarged view of a portion B circled in fig. 5 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the flexible roof photovoltaic module fixing device according to the embodiment of the present invention before being fixed to a roof;

fig. 8 is an enlarged view of a portion C encircled in fig. 7 according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the flexible roof photovoltaic module fixing device provided in the embodiment of the present invention after being fixed to a roof;

fig. 10 is an enlarged view of a portion D circled in fig. 9 according to an embodiment of the present invention.

Reference numerals:

11-a screw; 111-a first screw; 112-a second screw; 12-bolt sealing mechanism; 121-step stud; 1211-a connection end; 1212-fixed end; 122-a waterproof pan; 123-pad disc; 124-a first sealing gasket; 125-a second sealing gasket; 13-a securing mechanism; 131-a deformation nut; 1311-mounting ring; 1312-bending sleeve; 1313-a clamping section; 1314-a ring-shaped connecting part; 14-cold bridge prevention mechanism; 141-a heat insulation pipe; 142-a first insulating gasket; 143-bolt pin; 15-step nut; 16-a second insulating gasket; 21-outer roof plate; 22-a heat-insulating layer; 23-roof inner panels; 24-purlin.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

A flexible roofing photovoltaic module fixing device according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 3.

Referring to fig. 1, according to the utility model discloses flexible roofing photovoltaic module fixing device of some embodiments includes: a screw 11, a bolt sealing mechanism 12 and a fixing mechanism 13; the first end of the screw rod 11 is connected with the bolt sealing mechanism 12, and the second end of the screw rod 11 is connected with the fixing mechanism 13; the bolt sealing mechanism 12 comprises a step stud 121, a waterproof disc 122 and a pad disc 123 which are arranged in sequence; the pad 123 is arranged on the roof; the waterproof disc 122 covers the cushion disc 123, and the waterproof disc 122 is connected with the roof in a sealing mode; the step stud 121 is connected with the waterproof disc 122 in a sealing mode; the first end of the screw 11 sequentially penetrates through the roof, the pad 123 and the waterproof disc 122 and is fixedly connected with the step stud 121.

The embodiment of the utility model provides an in, as shown in fig. 2, flexible roofing photovoltaic module fixing device is used for erectting solar photovoltaic module at the roofing, and flexible roofing includes roofing inner panel 23 and roofing planking 21 usually, is provided with heat preservation 22 between roofing inner panel 23 and roofing planking 21, through purlin 24 fixed connection between roofing inner panel 23 and the roofing planking 21, can also lay waterproof material on roofing planking 21 for increase the waterproof performance of roofing.

Specifically, flexible roofing photovoltaic module fixing device (hereinafter referred to as fixing device) can include screw rod 11, bolt sealing mechanism 12 and fixed establishment 13, the first end and the bolt sealing mechanism 12 of screw rod 11 are connected, the second end and the fixed establishment 13 of screw rod 11 are connected, wherein, bolt sealing mechanism 12 sets up on the roofing planking 21 of roofing for strengthen the waterproof performance of fixing device and roofing fixed mounting department, prevent that outdoor water from permeating the room from the seam crossing of fixing device and roofing, fixed establishment 13 and the roofing inner panel 23 fixed connection of roofing, be used for fixing whole fixing device installation on the roofing.

The bolt sealing mechanism 12 may include a step stud 121, a waterproof disc 122 and a cushion disc 123 which are sequentially arranged, and the first end of the screw rod 11 may be fixedly connected with the step stud 121 after sequentially passing through the outer roof panel 21, the cushion disc 123 and the waterproof disc 122 of the roof, so as to realize the fixed connection of the screw rod 11 and the bolt sealing mechanism 12. The waterproof disc 122 is arranged between the step stud 121 and the pad 123, the step stud 121 and the waterproof disc 122 are in sealing connection, so that a waterproof effect is achieved, and the waterproof performance can be improved by the extrusion effect of the step stud 121 and the pad 123 on the waterproof disc 122.

Specifically, as shown in fig. 3, the step stud 121 may include a connection end 1211 and a fixed end 1212, where the connection end 1211 may be fixedly connected to the photovoltaic module for installing and fixing the photovoltaic module, and it should be noted that the connection end 1211 of the step stud 121 may also be connected to other components such as a guide rail and a fixing bracket, so as to implement installation and fixation of a Building Integrated Photovoltaic (BIPV) module on a roof. The parts that link 1211 of step double-screw bolt 121 is connected and the connection form that adopts can select and set up according to actual need, the embodiment of the utility model discloses no longer describe to this.

The stiff end 1212 and the screw rod 11 fixed connection of step double-screw bolt 121, the diameter of the stiff end 1212 of step double-screw bolt 121 is greater than the diameter of screw rod 11, and the stiff end 1212 of step double-screw bolt 121 can be provided with the recess towards one side of screw rod 11, and the first end and the recess threaded connection of screw rod 11 through step double-screw bolt 121 and waterproof dish 122 sealing connection, waterproof dish 122 and roofing sealing connection can avoid outdoor water indoor along screw rod 11 infiltration.

Optionally, step stud 121 and screw rod 11 can also set up to integrated into one piece structure, perhaps step stud 121 and screw rod 11 pass through welded fastening, can also adopt other fixed connection mode to realize being connected of step stud 121 and screw rod 11 certainly, the embodiment of the utility model provides a do not limit to this.

The embodiment of the utility model provides an in, the saucer 123 sets up on the roofing, specifically, the one side of roofing inner panel 23 is kept away from at roofing planking 21 to saucer 123 setting, and saucer 123 cover is established on screw rod 11, can produce the extrusion to waterproof dish 122 through the clamping action of saucer 123 and step double-screw bolt 121 to increase waterproof dish 122 and step double-screw bolt 121's laminating nature, thereby promote waterproof performance. During installation, the pad 123 can be connected with the screw rod 11 through threads, the pad 123 is screwed to the step stud 121, the clamping force between the pad 123 and the step stud 121 is increased, the waterproof disc 122 is extruded, and therefore the overall sealing performance of the bolt sealing mechanism 12 is improved, and the waterproof effect is improved.

Optionally, the saucer 123 may be made of a hard material, such as a metal material, a hard alloy material, a hard composite material, and the like, and it should be noted that the material of the saucer 123 may be selected according to needs, which is not limited in this embodiment.

The waterproof disc 122 can be clamped by the pad 123 and the step stud 121, and then the pad 123 and the screw rod 11 are fixed through gluing and welding equations, so that the whole bolt sealing mechanism 12 and the screw rod 11 are rigidly connected, the whole sealing performance of the bolt sealing mechanism 12 can be effectively maintained, the supporting effect of the whole fixing device and a roof can be improved, and the generation of the fixing device during use is reduced.

Further, the waterproof plate 122 covers the whole pad 123, and the peripheral edge part of the periphery of the waterproof plate 122 extends towards the roof and is connected with the outer roof plate 21 in a sealing manner, so that the waterproof effect of the joint of the waterproof plate 122 and the roof is realized.

During the installation, can lay the waterproof layer in the one side that roofing planking 21 deviates from roofing inner panel 23, bolt sealing mechanism 12 can set up on the waterproof layer, specifically, the saucer 123 sets up the one side that deviates from roofing planking 21 at the waterproof layer, waterproof dish 122 covers whole saucer 123, waterproof dish 122 all around the outer edge part extend to the roofing, and with waterproof layer sealing connection, roofing planking 21 can be passed in proper order to the first end of screw rod 11, the waterproof layer, behind saucer 123 and waterproof dish 122, with step double-screw bolt 121 fixed connection, thereby realize screw rod 11 and bolt sealing mechanism 12's fixed connection.

It should be noted that the waterproof plate 122 may be made of an environment-friendly polymer waterproof material, and the waterproof plate 122 and the step stud 121 are welded by hot air heating, and the waterproof plate 122 and the roof are welded by hot air heating. Specifically, the waterproof plate 122 may be welded to the outer roof panel 21, or welded to a waterproof layer provided on the outer roof panel 21, so as to achieve the sealing connection between the waterproof plate 122 and the step stud 121, and the sealing connection between the waterproof plate 122 and the roof.

Waterproof dish 122 can also adopt other waterproof materials to make, can adopt the hot melt welding's mode, perhaps adopts waterproof sealed glue bonding's mode, realizes waterproof dish 122 and step double-screw bolt 121's sealing connection to and the sealing connection of waterproof dish 122 and roofing, also can select suitable sealing connection form according to waterproof dish 122's specific material certainly, the novel embodiment of the utility model is no longer repeated here.

It can be understood that the second end of the screw rod 11 passes through the heat preservation layer 22 and the roof inner panel 23 of the roof and is connected with the fixing mechanism 13, and the fixing mechanism 13 can be fixedly arranged on the roof inner panel 23 and is used for fixing the screw rod 11 and the roof inner panel 23, so that the whole fixing device is fixedly installed on the roof inner panel 23, specifically, the fixing mechanism 13 can adopt a bolt connection mode, a stud connection mode, a riveting mode and the like, and a proper fixing structure can be selected according to actual conditions during installation.

The embodiment of the utility model provides an in, set up bolt sealing mechanism 12 and fixed establishment 13 at the both ends of screw rod 11, utilize fixed establishment 13 with screw rod 11 and roofing inner panel 23 fixed connection, bolt sealing mechanism 12 passes through step double-screw bolt 121 and waterproof dish 122 sealing connection, waterproof dish 122 again with roofing sealing connection, thereby realize fixing device's whole sealed effect, and, because screw rod 11 is whole to be wrapped up by bolt sealing mechanism 12, can avoid the possibility of the threaded connection department infiltration of screw rod 11, therefore, can realize the fixed mounting of photovoltaic module and roofing, can guarantee fixing device's whole waterproof performance again, be suitable for actual installation and use.

Optionally, in the embodiment of the present invention, as shown in fig. 1, a first sealing washer 124 is disposed between the waterproof disk 122 and the step stud 121; the first sealing washer 124 is connected with the step stud 121 in a sealing mode, and the first sealing washer 124 is connected with the waterproof disc 122 in a sealing mode.

The embodiment of the utility model provides an in, can set up first seal ring 124 between waterproof dish 122 and step double-screw bolt 121, during the use, through the squeezing action of step double-screw bolt 121 and saucer 123, make first seal ring 124 produce predeformation to make first seal ring 124 play the sealed effect between waterproof dish 122 and step double-screw bolt 121, realize water-proof effects.

Furthermore, the first sealing washer 124 and the step stud 121 can be bonded and fixed on the contact surface of the first sealing washer 124 and the step stud 121 in a dispensing manner, so that the sealing performance of the first sealing washer 124 and the step stud 121 is improved, and the waterproof effect is improved; similarly, the first sealing gasket 124 and the waterproof plate 122 may be adhered and fixed by a glue dispensing manner on the contact surface of the first sealing gasket 124 and the waterproof plate 122, so as to increase the sealing performance between the first sealing gasket 124 and the waterproof plate 122.

It should be noted that, waterproof adhesive can be selected for the adhesive used for bonding and fixing, and the specific type of the adhesive can be determined according to the material of the step stud 121, the first sealing washer 124 and the waterproof plate 122, which is not limited by the embodiment of the present invention.

Specifically, the first sealing washer 124 may be made of a sealing material, such as a rubber material, to enhance the sealing performance between the step stud 121 and the waterproof plate 122. Optionally, the first sealing washer 124 may be made of an ethylene propylene diene monomer material with good weather resistance, the ethylene propylene diene monomer material has excellent water resistance and environmental aging resistance, and the first sealing washer 124 made of the ethylene propylene diene monomer material can ensure sealing performance and prolong service life.

The embodiment of the utility model provides an in, through set up first seal ring 124 between waterproof dish 122 and step double-screw bolt 121, utilize first seal ring 124 to receive extrusion deformation to play sealed effect, be favorable to increasing the water-proof effects between waterproof dish 122 and the step double-screw bolt 121 to can choose the good EPT rubber material of weatherability to make first seal ring 124 for use, can guarantee sealing performance, can improve bolt sealing mechanism 12's life again.

Optionally, in the embodiment of the present invention, as shown in fig. 1, a sealing groove is disposed on one side of the pad disc 123 close to the waterproof disc 122, a second sealing washer 125 is disposed in the sealing groove, and a thickness of the second sealing washer 125 is greater than a depth of the sealing groove.

The embodiment of the utility model provides an in, can set up second seal ring 125 between rim plate 123 and waterproof dish 122, during the use, through the squeezing action of step double-screw bolt 121 and rim plate 123, make second seal ring 125 produce predeformation to increase the sealing performance between waterproof dish 122 and the rim plate 123, and then promote water-proof effects.

Specifically, a sealing groove may be disposed on one side of the gasket 123 close to the waterproof disk 122, the second sealing gasket 125 is disposed in the sealing groove, the thickness of the second sealing gasket 125 is greater than the depth of the sealing groove, the second sealing gasket 125 is pre-deformed by the pressing action of the step stud 121 and the gasket 123, so as to perform a sealing action, the sealing groove disposed on the gasket 123 may position the sealing position of the second sealing gasket 125, and the thickness of the second sealing gasket 125 is greater than the depth of the sealing groove, so that the second sealing gasket 125 generates a preset deformation amount when being pressed.

It can be understood that the second sealing washer 125 is deformed too much when being pressed, and the second sealing washer 125 is easily damaged to affect the service life; the deformation of the second sealing gasket 125 is too small to achieve an effective sealing effect, and therefore, the thickness of the second sealing gasket 125 and the depth of the sealing groove can be reasonably set to control the second sealing gasket 125 to generate a preset deformation when being squeezed, so that the sealing performance of the second sealing gasket 125 can be maintained, and the service life of the second sealing gasket 125 can be prolonged.

Specifically, the second sealing washer 125 may be made of a sealing material, such as a rubber material, to enhance the sealing performance between the step stud 121 and the waterproof disk 122. Optionally, the second sealing washer 125 may be made of an ethylene propylene diene monomer material with good weather resistance, the ethylene propylene diene monomer material has excellent water resistance and environmental aging resistance, and the second sealing washer 125 made of the ethylene propylene diene monomer material can ensure sealing performance and prolong service life.

The embodiment of the utility model provides an in, through set up second seal ring 125 between waterproof dish 122 and saucer 123, utilize second seal ring 125 to receive extrusion deformation to play sealed effect, be favorable to increasing the water-proof effects between waterproof dish 122 and the saucer 123 to can choose the good EPT rubber material of weatherability to make second seal ring 125, can guarantee sealing performance, can improve bolt sealing mechanism 12's life again.

Optionally, in the embodiment of the present invention, as shown in fig. 1, the waterproof plate 122 is provided with a protruding structure at a connection portion with the screw rod 11, the protruding structure cooperates with the outer roof plate 21 of the roof to form a hollow cavity, and the pad 123 is located in the hollow cavity.

The embodiment of the utility model provides an in, can set up protruding structure on waterproof dish 122, protruding structure setting with the junction of screw rod 11, protruding structure and roofing planking 21 can form well plenum chamber, and the saucer 123 is located well plenum chamber, and waterproof dish 122 can cover whole saucer 123, waterproof dish 122 outer edge portion all around extends to the roofing to with roofing planking 21 sealing connection.

Through set up protruding structure on waterproof dish 122 for waterproof dish 122's protruding structure part's outer surface is higher than other parts of waterproof dish 122, can avoid waterproof dish 122 and screw rod 11's junction to produce ponding, can promote water-proof effects.

Alternatively, in the embodiment of the present invention, as shown in fig. 7 to 10, the roof includes an outer roof panel 21 and an inner roof panel 23; the fixing mechanism 13 is a deformation nut 131; the deformation nut 13 includes: mounting ring 1311 and bending sleeve 1312; the mounting ring 1311 is connected to the bending sleeve 1312, and the mounting ring 1311 is located on one surface of the inner roof panel 23 facing the outer roof panel 21; the bending sleeve 1312 penetrates through the inner roof panel 23; the second end of the screw rod 11 passes through the mounting ring 1311, the roof inner panel 23 and the bending sleeve 1312 and is connected with the bending sleeve 1312 on the surface, away from the roof outer panel 21, of the roof inner panel 23; the bending sleeve 1312 can be bent under a force to form a clamping portion 1313, and the clamping portion 1313 and the mounting ring 1311 cooperate to form a fastening connection between the screw rod 11 and the roof inner panel 23.

The embodiment of the utility model provides an in, fixed establishment 13 can include deformation nut 131, and deformation nut 131 is fixed to be set up in the mounting hole of roofing inner panel 23, through with screw rod 11 and deformation nut 131 fixed connection to realize the fixed connection of screw rod 11 and roofing inner panel 23.

The deformation nut 131 comprises an installation ring 1311 and a bending sleeve 1312, the bending sleeve 1312 is fixedly connected with the installation ring 1311, the screw 11 penetrates through the installation ring 1311 and the bending sleeve 1312, the screw 11 is connected with one end, far away from the installation ring 1311, of the bending sleeve 1312, and when the deformation nut 131 is used, the bending sleeve 1312 of the deformation nut 131 can be deformed by drawing the screw 11 or rotating the screw 11, so that the deformation nut 131 is tightly connected with the roof inner panel 23, and the screw 11 is fixedly connected with the roof inner panel 23.

Specifically, the mounting ring 1311 is mounted on one surface, facing the outer roof panel 21, of the inner roof panel 23, the bending sleeve 1312 penetrates through the inner roof panel 23 and extends in a direction away from the outer roof panel 21, one end, away from the mounting ring 1311, of the bending sleeve 1312 is provided with an annular connecting portion 1314, and the annular connecting portion 1314 is located on one surface, away from the outer roof panel 21, of the inner roof panel 23; one end of the screw rod 11 far away from the step stud 121 penetrates through the mounting ring 1311, the roof inner plate 23 and the bending sleeve 1312, and the screw rod 11 is connected with the annular connecting part 1314 of the bending sleeve 1312 on one surface of the roof inner plate 23 far away from the roof outer plate 21.

During the use, can set up the mark of buckling in advance on bending sleeve 1312, drawing or under the extrusion effect, bending sleeve 1312 can produce bending deformation in the mark department of buckling in advance, forms clamping part 1313 in one side that roofing inner panel 23 keeps away from roofing planking 21, and clamping part 1313 can be fixed in the both sides of roofing inner panel 23 with the centre gripping of collar 1311, realizes the fastening connection with roofing inner panel 23, and then with screw rod 11 fixed mounting on roofing inner panel 23.

It should be noted that a plurality of axially-oriented holes are formed in the side wall of the bending sleeve 1312, and when the bending sleeve 1312 is pressed, the side wall of the bending sleeve 1312 is bent and deformed to form the grip 1313, and the number of the axially-oriented holes in the side wall of the bending sleeve 1312 may be set according to the installation requirements of the bending sleeve 1312, which is not limited in this embodiment.

Optionally, the bending sleeve 1312 may be made of a metal material, so as to ensure the mechanical strength of the clamping portion 1313 formed by the bending sleeve 1312, enhance the clamping force of the fixing mechanism 13 on the roof inner panel 23, and improve the firmness of the fixing device. Of course, the bending sleeve 1312 may also be made of other hard materials, and those skilled in the art may select the materials according to actual needs, which is not described in detail in this embodiment.

The embodiment of the utility model provides an in, bending sleeve 1312 through deformation nut 131 buckles and forms clamping part 1313, clamping part 1313 and collar 1311 centre gripping are fixed in the both sides of roofing inner panel 23, with roofing inner panel 23 fastening connection, thereby realize that whole fixing device is fixed with the installation of roofing inner panel 23, adopt this kind of fastening connection's mode, can improve the joint strength of fixing device and roofing inner panel, and can be suitable for different roofing installation demands, reduce the restriction that receives roofing mounted position, more be suitable for actual batch application.

Optionally, in the embodiment of the present invention, as shown in fig. 3-4, the screw 11 includes a first screw 111 and a second screw 112, the first screw 111 is connected to the second screw 112 through a cold bridge preventing mechanism 14, and the first screw 111 is not connected to the second screw 112; the first screw 111 is connected with the bolt sealing mechanism 12; the second screw 112 is connected to the fixing mechanism 13.

In the embodiment of the present invention, the screw 11 may be configured to be in a disconnected form, and includes a first screw 111 and a second screw 112, a cold bridge preventing mechanism 14 is disposed between the first screw 111 and the second screw 112, and the cold bridge preventing mechanism 14 is used to separate the first screw 111 from the second screw 112, so that the first screw 111 is disconnected from the second screw 112.

Specifically, one end of the first screw 111 is connected to the cold bridge prevention mechanism 14, and the other end of the first screw 111 is connected to the bolt sealing mechanism 12; one end of the second screw rod 112 is connected with the cold bridge prevention mechanism 14, and the other end of the second screw rod 112 is connected with the fixing mechanism 13.

During the use, prevent cold bridge mechanism 14 and can set up between roofing planking 21 and roofing inner panel 23, first screw rod 111 and second screw rod 112 are connected through preventing cold bridge mechanism 14, can effectively separate the heat-conduction between two screw rods 11 to the separation heat is from the indoor conduction of outdoor outside, can avoid because the difference in temperature of the inside and outside both sides of roofing leads to fixing device to appear the cold bridge phenomenon and produce the comdenstion water, consequently, through increasing cold bridge mechanism 14 in fixing device, can ensure the indoor not to drip the comdenstion water.

Optionally, in an embodiment of the present invention, as shown in fig. 3 to 4, the cold bridge prevention mechanism 14 includes: an insulating pipe 141, a first insulating washer 142, and a bolt pin 143; a first end of the heat insulation pipe 141 is fixedly connected with the first screw 111 through the bolt pin 143; the second end of the heat insulation pipe 141 is fixedly connected with the second screw rod 112; the first heat insulating washers 142 are disposed between the heat insulating pipe 141 and the first screw 111, and between the bolt pin 143 and the first screw 111, for blocking heat conduction between the first screw 111 and the heat insulating pipe 141.

In the embodiment of the present invention, the cold bridge preventing mechanism 14 may include a heat insulating pipe 141 and a first heat insulating washer 142, a first end of the heat insulating pipe 141 is connected to the first screw 111 through a bolt pin 143, a second end of the heat insulating pipe 141 is connected to the second screw 112, and the first heat insulating washer 142 is disposed between the heat insulating pipe 141 and the first screw 111, so as to block heat conduction between the first screw 111 and the heat insulating pipe 141.

Further, the heat insulation pipe 141 is connected with the first screw 111 through the bolt pin 143, the bolt pin 143 passes through the first screw 111, and the first heat insulation washer 142 is also disposed between the bolt pin 143 and the first screw 111, so that heat conduction between the first screw 111 and the bolt pin 143 is blocked, and heat conduction between the first screw 111 and the heat insulation pipe 141 through the bolt pin 143 can be avoided.

It should be noted that the first thermal insulating washer 142 may include two separate thermal insulating washers, one thermal insulating washer is disposed between the thermal insulating pipe 141 and the first screw 111 for blocking heat conduction between the thermal insulating pipe 141 and the first screw 111, and the other thermal insulating washer is disposed between the bolt pin 143 and the first screw 111 for blocking heat conduction between the bolt pin 143 and the first screw 111. Optionally, the first insulating gasket 142 may also be formed by integrally forming two insulating gaskets into one insulating gasket, so as to reduce the number of parts and facilitate installation and use.

In the embodiment of the present invention, the heat insulation pipe 141 may be made of a metal material or a hard non-metal material. The material of the first insulating gasket 142 may be made of an insulating material, such as glass fiber, asbestos, polyurethane material, etc. The material of the heat insulation pipe 141 and the material of the first heat insulation gasket 142 may be selected by those skilled in the art as required, and the embodiment of the present invention does not limit this.

Optionally, in the embodiment of the present invention, as shown in fig. 3 to 4, the second end of the heat insulation pipe 141 is fixedly connected to the second screw rod 112 through the bolt pin 143; the first heat insulating washers 142 are also disposed between the heat insulating pipe 141 and the second screw rod 112, and between the bolt pin 143 and the second screw rod 112, for blocking heat conduction between the second screw rod 112 and the heat insulating pipe 141.

In the embodiment of the present invention, the end of the heat insulation pipe 141 away from the first screw 111 is connected to the second screw 112 through the bolt pin 143, and a first heat insulation washer 142 can be disposed between the heat insulation pipe 141 and the second screw 112, so as to block the heat conduction between the first screw 111 and the heat insulation pipe 141.

Further, the bolt pin 143 penetrates through the second screw rod 112, and a first heat insulating washer 142 is also disposed between the bolt pin 143 and the second screw rod 112, so that heat conduction between the second screw rod 112 and the bolt pin 143 is blocked, and heat conduction between the second screw rod 112 and the heat insulating pipe 141 through the bolt pin 143 can be avoided.

It should be noted that the first thermal insulating washer 142 may include two separate thermal insulating washers, one thermal insulating washer is disposed between the thermal insulating pipe 141 and the second screw rod 112 for blocking heat conduction between the thermal insulating pipe 141 and the second screw rod 112, and the other thermal insulating washer is disposed between the bolt pin 143 and the second screw rod 112 for blocking heat conduction between the bolt pin 143 and the second screw rod 112. Optionally, the first insulating gasket 142 may also be formed by integrally forming two insulating gaskets into one insulating gasket, so as to reduce the number of parts and facilitate installation and use.

In the embodiment of the present invention, the heat insulation pipe 141 may be made of a metal material or a hard non-metal material. The material of the first insulating gasket 142 may be made of an insulating material, such as glass fiber, asbestos, polyurethane material, etc. The material of the heat insulation pipe 141 and the material of the first heat insulation gasket 142 may be selected by those skilled in the art according to the needs, and the embodiment of the present invention does not limit this.

Alternatively, in the embodiment of the present invention, as shown in fig. 5 to 6, the cold bridge prevention mechanism 14 includes: a heat insulation pipe 141, wherein a heat insulation layer is arranged on the inner wall of the heat insulation pipe 141; a first end of the heat insulating pipe 141 is screw-coupled to the first screw 111, and a second end of the heat insulating pipe 141 is screw-coupled to the second screw 112.

The embodiment of the utility model provides an in, prevent that cold bridge mechanism 14 can be equipped with the thermal-insulated pipe 141 of insulating layer for the inner wall, be equipped with the screw thread on the inner wall of thermal-insulated pipe 141, through the first end and the first screw rod 111 threaded connection with thermal-insulated pipe 141, the second end and the second screw rod 112 threaded connection of thermal-insulated pipe 141, set up certain distance between first screw rod 111 and the second screw rod 112, thereby separate first screw rod 111 and second screw rod 112 through the thermal-insulated pipe 141 who takes the insulating layer, separate the heat-conduction between first screw rod 111 and the second screw rod 112, thereby the separation heat is from outdoor to indoor conduction, can avoid because the difference in temperature of the inside and outside both sides of roofing leads to fixing device to appear the cold bridge phenomenon and produce the comdenstion water, consequently, through set up thermal-insulated pipe 141 in fixing device, can ensure indoor drippage comdenstion water.

It is understood that the heat insulation pipe 141 may be made of a metal material or a hard metal material, and a heat insulation layer may be disposed on an inner wall of the heat insulation pipe 141, for example, a heat insulation coating may be sprayed on the inner wall of the heat insulation pipe 141, so as to block heat conduction between the heat insulation pipe 141 and the first screw 111 and between the heat insulation pipe 141 and the second screw 112.

Alternatively, the heat insulation pipe 141 may be made of a heat insulation material, for example, a heat insulation fiber material, so that the heat insulation pipe 141 has heat insulation performance as a whole, and the heat conduction between the first screw 111 and the second screw 112 may be blocked by the connection with the first screw 111 and the second screw 112.

The material of the heat insulating pipe 141 may be selected as needed, and the material of the heat insulating layer on the inner wall of the heat insulating pipe 141 may be selected as needed. In addition, the thickness of insulating layer can be confirmed according to the material of the insulating layer of chooseing for use, can satisfy the thermal-insulated performance requirement, can guarantee the joint strength requirement of insulating tube 141 and first screw rod 111 and second screw rod 112 again, and technical personnel in the field can set up according to actual conditions, the embodiment of the utility model provides a do not limit to this.

Optionally, in the embodiment of the present invention, as shown in fig. 3 to 6, a step nut 15 is disposed at one end of the second screw rod 112 near the cold bridge prevention mechanism 14; the step nut 15 is sleeved on the second screw rod 112, and the step nut 15 is abutted against the cold bridge prevention mechanism 14; a second heat-insulating washer 16 is arranged between the step nut 15 and the cold bridge prevention mechanism 14.

The embodiment of the utility model provides an in, can set up step nut 15 near the one end of anti-cold bridge mechanism 14 at second screw rod 112, step nut 15 establishes on second screw rod 112 through threaded connection cover, and step nut 15 and anti-cold bridge mechanism 14 are close to the one end butt of second screw rod 112 to play the supporting role to anti-cold bridge mechanism 14, can improve fixing device's whole pressure-bearing effect.

Further, a second heat insulating washer 16 is disposed between the end face of the step nut 15 in contact with the cold bridge preventing mechanism 14, so as to block heat transfer between the step nut 15 and the cold bridge preventing mechanism 14, and further avoid heat conduction between the second screw rod 112 and the cold bridge preventing mechanism 14 through the step nut 15.

The second insulating gasket 16 may be made of an insulating material, such as glass fiber, asbestos, or a polyurethane material. The material of the second insulating gasket 16 can be selected by those skilled in the art according to the needs, and the embodiment of the present invention does not limit this.

Referring to fig. 7-10, in an embodiment of the present invention, an installation sequence of the flexible roof photovoltaic module fixing device is as follows: firstly, laying a waterproof roll made of an environment-friendly high-polymer waterproof material on a roof, and after the laying is finished, realizing the whole waterproof effect of the roof; drilling the position where the fixing device needs to be installed according to a design drawing, and enabling the holes to sequentially penetrate through the outer roof plate 21, the heat insulation layer 22 and the inner roof plate 23; installing the deformation nut 131, so that the installation ring 1311 of the deformation nut 131 is positioned on one side of the inner roof panel 23 close to the insulating layer 22, and the bent sleeve 1312 of the deformation nut 131 penetrates through the inner roof panel 23 and extends to one side of the inner roof panel 23 far away from the insulating layer 22; assembling and fixing the bolt sealing mechanism 12 and the screw rod 11, then sequentially penetrating the screw rod 11 through the waterproof coiled material, the outer roof plate 21, the heat insulation layer 22 and the inner roof plate 23, and fixedly connecting the screw rod 11 with the bending sleeve 1312 of the deformation nut 131, pulling up the bolt sealing mechanism 12 and the screw rod 11 or adopting a screw tightening mode to deform the bending sleeve 1312 of the deformation nut 131, and clamping a clamping part 1313 formed by bending the bending sleeve 1312 and the mounting ring 1311 to be clamped and fixed on the inner roof plate 23; then, the bolt sealing mechanism 12 and the screw rod 11 are screwed down to integrally fix the fixing device on the roof, and then the periphery of the waterproof disc 122 is welded and fixed with the waterproof coiled material laid on the roof by using a hot air gun in a hot air welding mode; the whole fixing device can be adhered and fixed with the roof by injecting pouring sealant from the periphery of the waterproof plate 122, so that the sealing effect is enhanced.

During the use, the one end that fixing device's step double-screw bolt 121 kept away from screw rod 11 can be fixed with solar cell panel, guide rail etc to realize the installation of photovoltaic Building Integration (BIPV), building integrated photovoltaic) subassembly at the roofing fixed. Specifically, screw rod 11's one end can be adopted threaded connection, screw connection, stud connection, welding, pin joint or other connected mode to step double-screw bolt 121, realizes fixed with being connected of parts such as solar cell panel, guide rail, and technical personnel in the field can set up according to the needs of actual installation, the embodiment of the utility model discloses no longer describe to this.

The embodiment of the utility model provides an in, through between step double-screw bolt 121 and waterproof dish 122, and set up seal ring between waterproof dish 122 and the pad dish 123, promote fixing device's whole sealed effect, and fix the both sides at roofing inner panel 23 with collar 1311 centre gripping through bending sleeve 1312 bending type's clamping part 1313, fix screw rod 11 on roofing inner panel 23, can improve the joint strength of fixing device and roofing inner panel, thereby can realize the fixed mounting of photovoltaic module and roofing, can promote fixing device's whole waterproof performance again, more be suitable for actual installation and use. In addition, through set up cold bridge prevention mechanism in fixing device, can the separation heat from the outdoor conduction indoor, avoid producing the comdenstion water because the difference in temperature of the inside and outside both sides of roofing leads to fixing device cold bridge phenomenon to appear to ensure that the indoor does not drip the comdenstion water.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A flexible roofing photovoltaic module fixing device which characterized in that includes:

the screw rod, the bolt sealing mechanism and the fixing mechanism; the first end of the screw rod is connected with the bolt sealing mechanism, and the second end of the screw rod is connected with the fixing mechanism;

the first end of the screw rod sequentially penetrates through the roof, the pad disc and the waterproof disc and is fixedly connected with the step stud.

2. The flexible roofing photovoltaic assembly fixture of claim 1 wherein the threaded rod comprises: the first screw rod and the second screw rod are connected through a cold bridge prevention mechanism and are not connected; the first screw is connected with the bolt sealing mechanism; the second screw is connected with the fixing mechanism.

3. The flexible roofing photovoltaic assembly fixture of claim 2 wherein the cold bridge prevention mechanism comprises: the heat insulation pipe, the first heat insulation washer and the bolt pin; the first end of the heat insulation pipe is fixedly connected with the first screw rod through the bolt pin; the second end of the heat insulation pipe is fixedly connected with the second screw;

4. The flexible roofing photovoltaic module fixture of claim 3, wherein the second end of the insulating tube is fixedly connected to the second screw via the bolt pin; first heat insulation gaskets are arranged between the heat insulation pipe and the second screw rod and between the bolt pin and the second screw rod and used for blocking heat conduction between the second screw rod and the heat insulation pipe.

5. The flexible roofing photovoltaic assembly fixture of claim 2 wherein the cold bridge prevention mechanism comprises: the inner wall of the heat insulation pipe is provided with a heat insulation layer; the first end of the heat insulation pipe is in threaded connection with the first screw, and the second end of the heat insulation pipe is in threaded connection with the second screw.

6. The flexible roofing photovoltaic assembly fixture of claim 2 wherein an end of the second screw proximate the cold bridge prevention mechanism is provided with a step nut; the step nut is sleeved on the second screw rod and is abutted against the cold bridge prevention mechanism; and a second heat-insulating washer is arranged between the step nut and the cold bridge prevention mechanism.

7. The flexible roofing photovoltaic assembly fixture of claim 1 wherein a first sealing gasket is disposed between the waterproof pan and the step stud; the first sealing washer is connected with the step stud in a sealing mode, and the first sealing washer is connected with the waterproof disc in a sealing mode.

8. The flexible roofing photovoltaic assembly fixture of claim 1 wherein a sealing groove is disposed on a side of the dolly proximate the waterproof pan, a second sealing washer is disposed within the sealing groove, and the second sealing washer has a thickness greater than a depth of the sealing groove.

9. The flexible roofing photovoltaic module fixing device according to claim 1, wherein the waterproof plate is provided with a protruding structure at a joint with the screw, the protruding structure is matched with an outer roof panel of the roof to form a hollow cavity, and the pad plate is located in the hollow cavity.

10. The flexible roofing photovoltaic assembly fixture of claim 1 wherein the roof comprises an outer roof panel and an inner roof panel;

the fixed establishment is the deformation nut, the deformation nut includes: a mounting ring and a bending sleeve;

the bending sleeve can be bent under the stress condition to form a clamping part, and the clamping part is matched with the mounting ring to form fastening connection between the screw rod and the roof inner plate.