Fastener mechanism suitable for transformation of photovoltaic box room

Abstract

The utility model discloses a fastener mechanism suitable for transformation of a photovoltaic box room. The fastener mechanism comprises an upper clamping piece, a lower clamping piece, a distance adjusting bolt and a clamping bolt set. The lower ends of the upper clamping piece and the lower clamping piece are respectively positioned on two sides of the edge beam, and the upper ends of the upper clamping piece and the lower clamping piece are respectively positioned at the top and the bottom of the photovoltaic bracket cross beam; the distance adjusting bolt penetrates through the lower end of the upper clamping piece and is in threaded connection with the lower end of the lower clamping piece, the pitch is adjusted by screwing the distance adjusting bolt, and the lower ends of the upper clamping piece and the lower clamping piece are clamped and fixed to the two sides of the edge beam; the clamping bolt set comprises a first clamping bolt and a second clamping bolt, the first clamping bolt penetrates through the lower end of the lower clamping piece to abut against the inner side of the edge beam so that the upper end of the lower clamping piece can exert pressure on the bottom of the photovoltaic support beam, and the second clamping bolt penetrates through the lower end of the upper clamping piece to abut against the outer side of the edge beam so that the upper end of the upper clamping piece can exert pressure on the top of the photovoltaic support beam. Therefore, the photovoltaic support cross beam is clamped and fixed. The fastener mechanism is simple in machining process, convenient to operate and high in field installation speed.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model belongs to the technical field of photovoltaic box accessories, more particularly relates to a fastener mechanism suitable for photovoltaic box house reconstruction. BACKGROUND

[0002] The photovoltaic box house is an innovative product combining solar photovoltaic technology with prefabricated buildings. It installs photovoltaic panels on the roof and side of the modular box house, uses solar power generation to provide lighting and power for the house, and realizes green and low-carbon energy utilization mode.

[0003] There are two methods to transform the modular box house into a photovoltaic box house on the market. One is to replace the side and upper facade wallboard of the existing modular box house with photovoltaic glass panels, and the other is to install photovoltaic glass panels on the existing wallboard and roof. The first transformation method is an update on the modular box house system, which involves changes to the original structure and structure of the box house. The box house manufacturer needs to change the standardized components of the box house, make design changes and add production processes, and even may need to establish an independent production line, which has a large transformation cost. The second transformation method installs photovoltaic panels and connecting parts on the existing enclosure components. The existing treatment method is usually to simply punch holes and fasten with bolts or use cannon nails to fix photovoltaic supports, and fasten the photovoltaic panels on the supports. This method usually damages the air tightness of the box house and is a destructive installation method. The complex photovoltaic connection mechanism increases the complexity of the entire system and also increases the difficulty of maintenance and disassembly. In addition, the modular box house is a product with rental properties, and there is a need for turnover.

[0004] Therefore, at present, there is an urgent need for a fastener suitable for photovoltaic box house reconstruction, which can achieve the transformation of standardized box house products into photovoltaic box house products without changing the standardized product components and damaging the air tightness of the box house while keeping the structural parameters of the bottom plate and side plate of the standard box unchanged. SUMMARY

[0005] In view of the problems of existing photovoltaic box house reconstruction, such as easy damage to the box house and complex installation and disassembly, the utility model provides a fastener mechanism suitable for photovoltaic box house reconstruction to solve such problems.

[0006] In order to achieve the above object, the utility model provides a fastener mechanism suitable for photovoltaic box house reconstruction, including upper clamping piece, lower clamping piece of lower end is located in the side beam both sides, both are L type board spare, and both upper ends are located in photovoltaic support crossbeam top and bottom respectively, the distance adjusting bolt is connected through the lower end of upper clamping piece and the lower end of lower clamping piece, by adjusting the pitch, the lower end of upper clamping piece and the lower end of lower clamping piece are respectively pasted and clamped with the both sides of side beam, the second clamping bolt is connected with the lower end of upper clamping piece, and one end of the second clamping bolt is passed through the lower end of upper clamping piece and is in contact with the outside of side beam, so that the upper end of upper clamping piece exerts pressure on the top of photovoltaic support crossbeam, the first clamping bolt is connected with the lower end of lower clamping piece, and one end of the first clamping bolt is passed through the lower end of lower clamping piece and is in contact with the inside of side beam, so that the upper end of lower clamping piece exerts pressure on the bottom of photovoltaic support crossbeam.

[0007] Further, the upper clamping piece is made of high-strength steel profile, including a first vertical plate, and a first horizontal plate vertically arranged on the top of the first vertical plate.

[0008] Further, the first vertical plate is located on the outside of the side beam, and a first through hole and a second through hole are sequentially formed on the first vertical plate; the diameter of the first through hole is matched with the diameter of the distance adjusting bolt, and one end of the distance adjusting bolt is passed through the first through hole and is threadedly connected with the lower clamping piece; the second through hole is located below the first through hole, and the diameter of the second through hole is matched with the diameter of the second clamping bolt, and the second clamping bolt is passed through the second through hole and is in contact with the outside of the side beam.

[0009] Further, a first fixing nut is fixedly arranged on the outside of the second through hole, and the center axis of the first fixing nut is coincided with the center axis of the second through hole.

[0010] Further, the lower clamping piece includes a second vertical plate, and a second horizontal plate vertically arranged on the top of the second vertical plate; the second vertical plate is located on the outside of the side beam, and a third through hole and a fourth through hole are sequentially formed on the second vertical plate.

[0011] Further, a second fixing nut is fixedly arranged on the inside of the third through hole, and the center axis of the second fixing nut is coincided with the center axis of the third through hole.

[0012] Further, a third fixing nut is fixedly arranged on the inside of the fourth through hole, and the third fixing nut is threadedly connected with the first clamping bolt.

[0013] Further, a clamping nut is fixedly arranged on the bottom of the second horizontal plate of the lower clamping piece, square grooves are formed on the upper clamping piece and the photovoltaic support crossbeam, and a locking bolt is sequentially passed through the square grooves and is threadedly connected with the clamping nut, so that the upper clamping piece, the lower clamping piece and the photovoltaic support crossbeam are locked and connected as a whole.

[0014] Overall, the above technical scheme conceived by the utility model compared with the prior art can achieve the following beneficial effects:

[0015] (1) The fastener mechanism of the utility model does not need to open holes on the box room to install the fixing support, will not damage the air tightness of the box room, and realizes the transformation of the standardized box room product into the photovoltaic box room product by using the fastener connecting piece assembled after use; meets the free switching of the photovoltaic box room and the ordinary standard box room, saves the material cost, the processing technology is simple, the operation is convenient, and the on-site installation speed is fast.

[0016] (2) The fastener mechanism of the utility model has simple structure, convenient assembly and disassembly, and convenient on-site installation; this design not only retains the stability and reliability of the standard box, but also increases the photovoltaic characteristics, so that the box room is more suitable for the needs of different environments and use scenarios.

[0017] (3) The fastener mechanism of the utility model fastens the photovoltaic support and installs the photovoltaic panel on the basis of the existing modular box room, does not change the existing components and structure system of the box room, realizes the standardization of parts, can be mass-produced as a standard product, and does not need manufacturers to establish an additional photovoltaic box room component production line. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic view of the fastener mechanism applied to the photovoltaic box room transformation in the embodiment of the utility model;

[0019] Figure 2 The connection structure schematic view of the fastener mechanism with the edge beam and the photovoltaic support cross beam respectively in the embodiment of the utility model;

[0020] Figure 3 The structure schematic view of the fastener mechanism in the embodiment of the utility model;

[0021] Figure 4 The side view of the fastener mechanism in the embodiment of the utility model.

[0022] In all the drawings, the same reference signs represent the same technical features, specifically: 1 - upper clamping piece, 11 - first vertical plate, 111 - first through hole, 112 - second through hole, 113 - first fixed nut, 12 - second horizontal plate, 2 - lower clamping piece, 21 - second vertical plate, 211 - second fixed nut, 212 - third fixed nut, 22 - second horizontal plate, 3 - distance adjusting bolt, 4 - first clamping bolt, 5 - second clamping bolt, 6 - photovoltaic support cross beam, 7 - box room, 8 - edge beam. DETAILED DESCRIPTION

[0023] In order to make the utility model purposes, technical scheme and advantages more clearly, the following will be further described in detail with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] As Figures 1-4 The utility model provides a fastener mechanism suitable for photovoltaic box house reconstruction, it includes upper clamping piece 1, lower clamping piece 2, distance bolt 3 and clamping bolt group. Upper clamping piece 1, lower clamping piece 2 are L type board spare, both lower ends are located two sides of edge beam 8 respectively, both upper ends are located photovoltaic support crossbeam 6 top and bottom respectively, distance bolt 3 is connected with the lower end of lower clamping piece 2 through the lower end of upper clamping piece 1 and is screwed, by screwing distance bolt 3 adjustment pitch, makes the lower end of upper clamping piece 1 and the lower end of lower clamping piece 2 respectively with the two sides of edge beam 8 fit and clamp, the clamping bolt group includes first clamping bolt 4 and second clamping bolt 5, wherein first clamping bolt 4 is connected with the lower end of lower clamping piece 2 and is screwed, one end passes through the lower end of lower clamping piece 2 and is in contact with the inner side of edge beam 8, so that the upper end of lower clamping piece 2 exerts pressure on the bottom of photovoltaic support crossbeam 6, second clamping bolt 5 is connected with the lower end of upper clamping piece 1 and is screwed, one end passes through the lower end of upper clamping piece 1 and is in contact with the outer side of edge beam 8, so that the upper end of upper clamping piece 1 exerts pressure on the top of photovoltaic support crossbeam 6, thereby clamping and fixing photovoltaic support crossbeam 6. The fastener mechanism of the utility model realizes the reconstruction of the standardized box house product into the photovoltaic box house product by using the fastener connecting piece assembled after use. It meets the free switching of the photovoltaic box house and the ordinary standard box house, saves material cost, the processing technology is simple, convenient to operate, and fast to install on site.

[0025] As Figure 1 As shown in the utility model embodiment, the box house 7 is a common modular box house on the market, and the top and side edges are respectively provided with an edge beam 8. The edge beam 8 is clamped by the fastener mechanism of the utility model to provide a fixed fulcrum for the installation support of photovoltaic. When installing photovoltaic, a plurality of photovoltaic support crossbeams 7 can be arranged on the top or side edge of the box house 7, and the fastener mechanism is used to realize the fixed connection between the two ends of the crossbeam 7 and the edge beam 8. This fixing method does not need to change the structure of the box house 7 and does not damage the air tightness of the box house. In one embodiment of the utility model, three groups of photovoltaic support crossbeams 7 can be arranged on the top of the box house 7 at intervals. After the fastener mechanism is clamped and fixed on the edge beam 8, the crossbeam 7 is fixedly connected, so that the three groups of photovoltaic support crossbeams 7 are installed and fixed on the top of the box house 7. After completion, the next photovoltaic installation operation can be carried out.

[0026] As Figures 3-4As shown, in the utility model embodiment, the upper clamping piece 1 adopts high strength steel section material, it is L type structure, including first vertical plate 11, and the first horizontal plate 12 vertically arranged in the top of first vertical plate 11;Wherein, the first vertical plate 11 is located the outer side of edge beam 8, and first via hole 111 and second via hole 112 are sequentially opened on it;The diameter of first via hole 111 is adapted to the diameter of distance bolt 3, and the one end of distance bolt 3 is passed through first via hole 111 and is connected with lower clamping piece 2, by screwing distance bolt 3, lower clamping piece 2 can be pulled to the convergence of upper clamping piece 1, thereby adjusting the pitch makes fastener mechanism to be tightened and fixed on edge beam 8;Second via hole 112 is located below first via hole 111, and its diameter is adapted to the diameter of second clamping bolt 5, and second clamping bolt 5 is passed through second via hole 112 and is in contact with the outer side of edge beam 8;Further, to prevent the force area of the threaded connection of second clamping bolt 5 and upper clamping piece 1 from being too small to cause thread damage, first fixed nut 113 is further fixed on the outer side of second via hole 11, the central axis of first fixed nut 113 is coincident with the central axis of second via hole 11, and the threaded connection force area of second clamping bolt 5 can be effectively increased, to avoid the thread damage of second clamping bolt 5 when being subjected to radial force.The first horizontal plate 12 is located above photovoltaic support crossbeam 6, when second clamping bolt 5 is in contact with the outer side of edge beam 8, the lower end of first vertical plate 11 is driven by second clamping bolt 5 and moves outward, by taking first via hole 111 as fulcrum, the upper end of first vertical plate 11 moves inward, thereby making first horizontal plate 12 rotate downward and exerting pressure on the top of photovoltaic support crossbeam 6.

[0027] The lower clamping piece 2 is same in structure with the upper clamping piece 1, including second vertical plate 21, and second horizontal plate 22 vertically arranged in the top of second vertical plate 21;The second vertical plate 21 is located the outer side of edge beam 8, and third via hole and fourth via hole are sequentially opened on it;To avoid the force area of the threaded connection of distance bolt 3 and lower clamping piece 2 from being too small to cause thread damage, second fixed nut 211 is further fixed on the outer side of third via hole, the central axis of second fixed nut 211 is coincident with the central axis of third via hole, and the threaded connection force area of distance bolt 3 can be effectively increased, to avoid the thread damage of distance bolt 3 when being subjected to axial force.The fourth via hole is fixed with third fixed nut 212 on the inner side, and is connected with first clamping bolt 4, to increase the threaded connection force area and prevent thread damage.The second horizontal plate 22 is located below photovoltaic support crossbeam 6, when first clamping bolt 4 is in contact with the inner side of edge beam 8, the lower end of second vertical plate 21 is driven by first clamping bolt 4 and moves inward, by taking third via hole as fulcrum, the upper end of second vertical plate 21 moves outward, thereby making second horizontal plate 22 rotate upward and exerting pressure on the bottom of photovoltaic support crossbeam 6.

[0028] Further, after the upper clamping piece 1 and the lower clamping piece 2 complete the clamping and fixing operation on the end of the photovoltaic support beam 6, the three are connected into one through the cannon bolt, so that the connection between the three is more firm.

[0029] Preferably, in order to realize the firm connection of the upper clamping piece 1, the lower clamping piece 2 and the photovoltaic support beam 6, and the convenient disassembly in the later period, the bottom of the second horizontal plate 22 of the lower clamping piece 2 is fixedly provided with a clamping nut, corresponding square grooves are formed in the upper clamping piece 1 and the photovoltaic support beam 6, and a locking bolt is sequentially threaded through the square grooves to be threadedly connected with the clamping nut, so that the upper clamping piece 1, the lower clamping piece 2 and the photovoltaic support beam 6 are locked and connected into one. When disassembled in the later period, the three can be separated by loosening the locking bolt, so that quick disassembly is realized.

[0030] When the fastener mechanism is used for photovoltaic box house reconstruction, the fastener mechanism is installed at the corresponding position of the edge beam 8, the first vertical plate 11 and the second vertical plate 21 are located on the two sides of the edge beam 8, and the end of the photovoltaic support beam 6 is placed between the first horizontal plate 12 and the second horizontal plate 22; the distance adjusting bolt 3 is screwed, the first vertical plate 11 and the second vertical plate 21 are respectively attached to the two sides of the edge beam 8 until a specified torque is reached, and then the fastener mechanism is stopped, so that the fastener mechanism is clamped and fixed on the edge beam 8; the first clamping bolt 4 and the second clamping bolt 5 are screwed respectively, so that the ends of the two respectively abut against the two sides of the edge beam 8, thereby driving the first vertical plate 11 to move outward at the lower end and the second vertical plate 21 to move inward at the lower end, so that the first horizontal plate 12 and the second horizontal plate 22 respectively clamp and fix the top and bottom of the photovoltaic support beam 6; the locking bolt is sequentially threaded through the corresponding square grooves formed in the upper clamping piece 1 and the photovoltaic support beam 6, and is threadedly connected with the clamping nut, so that the upper clamping piece 1, the lower clamping piece 2 and the photovoltaic support beam 6 are locked and connected into one, the fixing operation of the fastener mechanism is completed, and the next photovoltaic installation operation is performed.

[0031] The fastener mechanism of the utility model, which does not need to open holes in the box house to install the fixing support and will not damage the air tightness of the box house, realizes the transformation of the standardized box house product into the photovoltaic box house product by using the fastener connecting piece assembled after use; satisfies the free switching of the photovoltaic box house and the ordinary standard box house, saves the material cost, has simple processing technology and is convenient to operate and fast to install on site.

[0032] The fastener mechanism of the utility model has the advantages of simple structure, convenient assembly and disassembly and convenient installation on site; the design not only retains the stability and reliability of the standard box, but also increases the photovoltaic characteristics, so that the box house is more suitable for the needs of different environments and use scenes.

[0033] The fastener mechanism of the utility model fastens the photovoltaic support and installs the photovoltaic panel on the basis of the existing modular box house without changing the existing components and structure system of the box house, realizes the standardization of parts and can be mass-produced as a standard product without the need for manufacturers to establish an additional photovoltaic box house component production line.

[0034] It is easy for those skilled in the art to understand that the above description is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fastener mechanism suitable for photovoltaic shed retrofitting, characterized by, The utility model relates to a photovoltaic support frame locking device, including: The upper clamping piece (1) and the lower clamping piece (2) are respectively located at the both sides of the edge beam (8), and both are L-shaped plate parts, and the upper ends of both are respectively located at the top and bottom of the photovoltaic support crossbeam (6); The pitch adjusting bolt (3) is screwed through the lower end of the upper clamping piece (1) and the lower end of the lower clamping piece (2), and the lower end of the upper clamping piece (1) and the lower end of the lower clamping piece (2) are respectively attached to and clamped with the both sides of the edge beam (8) by adjusting the pitch; The second clamping bolt (5) is screwed with the lower end of the upper clamping piece (1), and one end of the second clamping bolt (5) is in contact with the outside of the edge beam (8) after passing through the lower end of the upper clamping piece (1), so that the upper end of the upper clamping piece (1) exerts pressure on the top of the photovoltaic support crossbeam (6); The first clamping bolt (4) is screwed with the lower end of the lower clamping piece (2), and one end of the first clamping bolt (4) is in contact with the inside of the edge beam (8) after passing through the lower end of the lower clamping piece (2), so that the upper end of the lower clamping piece (2) exerts pressure on the bottom of the photovoltaic support crossbeam (6).

2. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 1, characterized in that, The upper clamping piece (1) is made of high-strength steel profile, including a first vertical plate (11) and a first horizontal plate (12) vertically arranged on the top of the first vertical plate (11).

3. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 2, characterized in that, The first vertical plate (11) is located at the outside of the edge beam (8), and a first through hole (111) and a second through hole (112) are sequentially arranged on the first vertical plate (11); the diameter of the first through hole (111) is matched with the diameter of the pitch adjusting bolt (3), one end of the pitch adjusting bolt (3) passes through the first through hole (111) and is screwed with the lower clamping piece (2); the second through hole (112) is located below the first through hole (111), and the diameter of the second through hole (112) is matched with the diameter of the second clamping bolt (5), and the second clamping bolt (5) passes through the second through hole (112) and is in contact with the outside of the edge beam (8).

4. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 3, wherein, A first fixing nut (113) is further fixedly arranged at the outside of the second through hole (112), and the first fixing nut (113) is fixed to the outside of the first vertical plate (11) by welding, and the central axis of the first fixing nut (113) is coincident with the central axis of the second through hole (112).

5. A fastener mechanism suitable for photovoltaic cabin retrofitting according to any one of claims 1-4, characterized in that, The lower clamping piece (2) includes a second vertical plate (21) and a second horizontal plate (22) vertically arranged on the top of the second vertical plate (21); the second vertical plate (21) is located at the outside of the edge beam (8), and a third through hole and a fourth through hole are sequentially arranged on the second vertical plate (21).

6. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 5, wherein, A second fixing nut (211) is further fixedly arranged at the outside of the third through hole, and the second fixing nut (211) is fixed to the inside of the second vertical plate (21) by welding, and the central axis of the second fixing nut (211) is coincident with the central axis of the third through hole.

7. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 5, wherein, A third fixing nut (212) is fixedly arranged at the inside of the fourth through hole, and the third fixing nut (212) is screwed with the first clamping bolt (4).

8. A fastener mechanism suitable for photovoltaic shed retrofitting according to claim 5, wherein, A clamping nut is fixedly arranged at the bottom of the second horizontal plate (22) of the lower clamping piece (2), square grooves are arranged on the upper clamping piece (1) and the photovoltaic support crossbeam (6), and locking bolts are sequentially screwed through the square grooves and are screwed with the clamping nut, so that the upper clamping piece (1), the lower clamping piece (2) and the photovoltaic support crossbeam (6) are locked and connected into one.

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