Anti-loosening middle pressing block for photovoltaic installation

Abstract

The utility model provides an anti-loosing middle pressing block for photovoltaic installation, and relates to the technical field of photovoltaic installation accessories, the anti-loosing middle pressing block comprises a middle pressing block and C-shaped steel, the top of the middle pressing block is provided with an anti-loosing assembly, the anti-loosing assembly comprises a U-shaped frame, the top of the U-shaped frame is provided with a second through hole close to the middle, and the C-shaped steel is arranged in the second through hole. A second blind hole is formed in the inner wall of the second through hole, and a second spring is fixedly connected to the inner wall of the second blind hole. According to the anti-loose lock, the U-shaped frame in the anti-loose assembly is inserted into the groove, the rotary knob is screwed to enable the limiting block to be aligned with the hexagonal hole of the connecting bolt, the limiting block is extruded to be embedded into the hexagonal hole of the connecting bolt under the action of the third spring, and therefore the connecting bolt can be limited, meanwhile, the lock cylinder is matched with the lock hole, and the anti-loose lock is convenient to use. The rotating block can be locked, it is ensured that limiting failure caused by self-spinning force of the connecting bolt is avoided, the situation that the firmness of connection of the connecting bolt is affected under the influence of wind power can be effectively avoided, and the connecting bolt is not prone to loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic installation accessories, in particular to an anti-loosening intermediate pressure block for photovoltaic installation. Background Art

[0002] Photovoltaic medium-voltage blocks are mainly used to connect two photovoltaic panels in the middle to enhance the stability and wind resistance of the entire photovoltaic power station. The medium-voltage blocks are mainly used to fix the accessories between the two main parts to ensure that they are fully connected.

[0003] The existing photovoltaic panels will shake under the influence of natural wind, which may easily cause the connecting bolts between the intermediate pressure block and the C-shaped steel to loosen, resulting in the photovoltaic panel being installed loosely and the connection being loose. Therefore, to address the above problem, we have proposed a new type of anti-loosening intermediate pressure block for photovoltaic installation. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that shaking will occur under the influence of natural wind, which may easily lead to loosening of the connecting bolts between the intermediate pressure block and the C-shaped steel, thereby causing the photovoltaic panel to be installed loosely and the connection to become loose, and to propose an anti-loosening intermediate pressure block for photovoltaic installation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a medium pressure block for photovoltaic installation to prevent loosening, comprising a medium pressure block and C-shaped steel, wherein an anti-loosening component is arranged on the top of the medium pressure block, and the anti-loosening component comprises a U-shaped frame, a second through hole is opened near the middle of the top of the U-shaped frame, a second blind hole is opened on the inner wall of the second through hole, a second spring is fixedly connected to the inner wall of the second blind hole, a lock core is fixedly connected to the end of the second spring, the far end of the lock core is arranged at a circular arc angle, a rotating block is rotatably arranged on the inner wall of the second through hole, a plurality of lock holes are equidistantly opened on the inner wall of the rotating block, the bottom end of the rotating block is fixedly connected to a limiting telescopic rod, the bottom end of the limiting telescopic rod is fixedly connected to the limiting block, the outer sleeve of the limiting telescopic rod is provided with a third spring, the top of the rotating block is fixedly connected to a knob, and pin holes are symmetrically opened on the outer surface of one side of the U-shaped frame.

[0006] Furthermore, a connecting bolt is provided through the inner bottom of the middle pressure block near the middle, and a wing nut is provided on the outer surface of the connecting bolt, and the wing nut is arranged inside the C-shaped steel.

[0007] Furthermore, photovoltaic panels are symmetrically arranged on the outer surfaces of both sides of the medium pressure block, and the bottom of the photovoltaic panel is in contact with the top of the C-shaped steel.

[0008] Furthermore, grooves are symmetrically provided on the top of the middle pressure block, and the two grooves correspond to the U-shaped frames.

[0009] Furthermore, first blind holes are symmetrically formed on an outer surface of one side of the intermediate pressure block, and first through holes are formed on inner walls of two of the first blind holes, and the first through holes are connected to the groove.

[0010] Furthermore, a latch is slidably provided on the inner walls of the two first through holes, one end of the latch corresponds to the pin hole, the other end of the latch is fixedly connected to a connecting plate, and a pull plate is fixedly connected between the end surfaces of the two connected plates.

[0011] Furthermore, a first spring is sleeved on the outside of the latch, one end of the first spring is fixedly connected to the inner wall of the first blind hole, and the other end of the first spring is fixedly connected to the connecting plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by inserting the U-shaped frame in the anti-loosening component into the groove, and turning the knob to align the limit block with the hexagonal hole of the connecting bolt, under the action of the third spring, the limit block is squeezed and embedded into the hexagonal hole of the connecting bolt, so that the connecting bolt can be limited. At the same time, the lock core cooperates with the lock hole to lock the rotating block to ensure that the limit failure will not be caused by the self-spin force of the connecting bolt, which can effectively avoid affecting the firmness of the connection of the connecting bolt under the influence of wind, so that it is not easy to loosen.

[0014] 2. In the utility model, by pulling the pull plate outward, the latch pin can be disengaged from the pin hole, thereby releasing the limit on the U-shaped frame, making it easy to remove the anti-loosening component from the middle pressure block. The anti-loosening component is an independent component, which is convenient for later disassembly and maintenance, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a middle pressure block for preventing loosening for photovoltaic installation is proposed for the utility model;

[0016] Figure 2 The utility model provides a partial structural schematic diagram of a middle pressure block for preventing loosening for photovoltaic installation;

[0017] Figure 3 The utility model provides a schematic diagram of the structure of a middle pressure block for preventing loosening of a photovoltaic installation;

[0018] Figure 4 The utility model provides a schematic diagram of the anti-loosening assembly structure of an anti-loosening middle pressure block for photovoltaic installation;

[0019] Figure 5 The utility model provides a schematic diagram of the connecting bolt structure of an anti-loosening middle pressure block for photovoltaic installation.

[0020] Legend: 1. Middle pressure block; 11. Groove; 12. First blind hole; 13. First through hole; 2. First spring; 21. Latch; 22. Connecting plate; 23. Pull plate; 3. Anti-loosening assembly; 301. U-shaped frame; 302. Second through hole; 303. Second blind hole; 304. Second spring; 305. Lock core; 306. Pin hole; 307. Rotating block; 308. Lock hole; 309. Knob; 310. Limit telescopic rod; 311. Third spring; 312. Limit block; 4. Connecting bolt; 5. Wing nut; 6. C-shaped steel; 7. Photovoltaic panel. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a photovoltaic installation anti-loosening medium pressure block, including a medium pressure block 1 and a C-shaped steel 6, the top of the medium pressure block 1 is provided with an anti-loosening component 3, the anti-loosening component 3 includes a U-shaped frame 301, the top of the U-shaped frame 301 is provided with a second through hole 302 near the middle, the inner wall of the second through hole 302 is provided with a second blind hole 303, the inner wall of the second blind hole 303 is fixedly connected with a second spring 304, the end of the second spring 304 is fixedly connected with a lock core 305, the far end of the lock core 305 is arranged at an arc angle, the inner wall of the second through hole 302 is rotatably provided with a rotating block 307, the inner wall of the rotating block 307 is equidistantly provided with a plurality of lock holes 308, the bottom end of the rotating block 307 is fixedly connected A limited telescopic rod 310 is provided, and the bottom end of the limited telescopic rod 310 is fixedly connected to a limited block 312. The outer sleeve of the limited telescopic rod 310 is provided with a third spring 311. The top of the rotating block 307 is fixedly connected with a knob 309. Pin holes 306 are symmetrically provided on the outer surface of one side of the U-shaped frame 301. A connecting bolt 4 is penetrated through the inner bottom of the middle pressure block 1 near the middle. The outer surface bolt of the connecting bolt 4 is provided with a wing nut 5. The wing nut 5 is arranged inside the C-shaped steel 6. Photovoltaic panels 7 are symmetrically provided on the outer surfaces of both sides of the middle pressure block 1. The bottom of the photovoltaic panel 7 is in contact with the top of the C-shaped steel 6. Grooves 11 are symmetrically provided on the top of the middle pressure block 1. The two grooves 11 correspond to the U-shaped frame 301.

[0024] The effect achieved by the entire embodiment 1 is that the anti-loosening component 3 can be installed on the intermediate pressure block 1 by inserting the U-shaped frame 301 in the anti-loosening component 3 into the groove 11. At the same time, the limiting block 312 in the anti-loosening component 3 is coaxial with the connecting bolt 4, and the limiting block 312 is aligned with the hexagonal hole of the connecting bolt 4 by turning the knob 309, and under the action of the third spring 311, the limiting block 312 is squeezed and embedded in the hexagonal hole of the connecting bolt 4, so that the connecting bolt 4 can be limited, and under the action of the second spring 304, the lock core 305 is pushed to embed into one of the lock holes 30 8, thereby locking the rotating block 307, thereby preventing the rotating block 307 from rotating, ensuring that the limit failure will not be caused by the self-spin force of the connecting bolt 4, and effectively preventing the connection firmness of the connecting bolt 4 from being affected by wind, so that it is not easy to loosen, and the contact surface between the intermediate pressure block 1 and the photovoltaic panel 7 is provided with an anti-slip strip, which can increase the friction resistance between the intermediate pressure block 1 and the photovoltaic panel 7 and improve the installation firmness of the photovoltaic panel 7. By setting the limiting telescopic rod 310, the limiting block 312 is limited to avoid shaking and shifting up and down, left and right as the force changes during the limiting process.

[0025] Embodiment 2, as Figure 1-Figure 5 As shown, a first blind hole 12 is symmetrically provided on the outer surface of one side of the middle pressure block 1, and a first through hole 13 is provided on the inner wall of the two first blind holes 12, and the first through hole 13 is connected to the groove 11. A latch 21 is slidably provided on the inner wall of the two first through holes 13, and one end of the latch 21 corresponds to the pin hole 306, and the other end of the latch 21 is fixedly connected to a connecting plate 22, and a pull plate 23 is fixedly connected between the end surfaces of the two connected plates 22, and a first spring 2 is sleeved on the outside of the latch 21, and one end of the first spring 2 is fixedly connected to the inner wall of the first blind hole 12, and the other end of the first spring 2 is fixedly connected to the connecting plate 22.

[0026] The effect achieved by the entire embodiment 2 is that when the U-shaped frame 301 in the anti-loosening component 3 is inserted into the groove 11, the surface of the U-shaped frame 301 squeezes the pin 21 to move outward, and when the pin 21 is aligned with the pin hole 306 on the anti-loosening component 3, under the action of the first spring 2, the pin 21 is pushed to be embedded in the pin hole 306, so that the anti-loosening component 3 can be fixed on the intermediate pressure block 1, and by pulling the pull plate 23 outward, the pin 21 can be disengaged from the pin hole 306, releasing the limit on the U-shaped frame 301, making it easy to remove the anti-loosening component 3 from the intermediate pressure block 1, and the anti-loosening component 3 is an independent component, which is convenient for later disassembly and maintenance, and has high practicality.

[0027] Working principle: first, put the wing nut 5 into the C-shaped steel 6 and adjust the angle, then pre-connect the intermediate pressure block 1 and the wing nut 5 through the connecting bolts 4, and then place the photovoltaic panel 7 on the surface of the C-shaped steel 6 and on both sides of the intermediate pressure block 1. The installation of the photovoltaic panel 7 can be completed by tightening the connecting bolts 4, and then the U-shaped frame 301 in the anti-loosening component 3 is inserted into the groove 11. At this time, the surface of the U-shaped frame 301 squeezes the pin 21 to move outward. When the pin 21 is aligned with the pin hole 306 on the anti-loosening component 3, under the action of the first spring 2, the pin 21 is pushed to embed into the pin hole 306, so that the anti-loosening component 3 can be fixed on the intermediate pressure block 1, and at the same time The limit block 312 in the anti-loosening component 3 is coaxial with the connecting bolt 4, and the limit block 312 is aligned with the hexagonal hole of the connecting bolt 4 by turning the knob 309, and under the action of the third spring 311, the limit block 312 is squeezed and embedded in the hexagonal hole of the connecting bolt 4, so that the connecting bolt 4 can be limited, and, under the action of the second spring 304, the lock core 305 is pushed to embed into one of the lock holes 308, thereby locking the rotating block 307, thereby preventing the rotating block 307 from rotating, ensuring that the limit failure will not be caused by the self-spin force of the connecting bolt 4, and effectively preventing the connection of the connecting bolt 4 from being affected by wind, so that it is not easy to loosen.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A photovoltaic installation anti-loosening intermediate pressure block, comprising an intermediate pressure block (1) and C-shaped steel (6), characterized in that: The top of the intermediate pressure block (1) is provided with an anti-loosening component (3), the anti-loosening component (3) comprises a U-shaped frame (301), a second through hole (302) is provided at a position near the middle of the top of the U-shaped frame (301), a second blind hole (303) is provided on the inner wall of the second through hole (302), a second spring (304) is fixedly connected to the inner wall of the second blind hole (303), a lock core (305) is fixedly connected to the end of the second spring (304), the far end of the lock core (305) is arranged at a circular arc angle, and the second through hole (302) is provided at a position close to the middle of the top of the U-shaped frame (301), a second blind hole (303) is provided on the inner wall of the second blind hole (303), a second spring (304) is fixedly connected to the inner wall of the second blind hole (303), a lock core (305) is fixedly connected to the end of the second spring (304), the far end of the lock core (305) is arranged at a circular arc angle, and the second through hole (302) is provided at a position close to the middle of the top of the U-shaped frame (301), and a second blind hole (303) is provided on the inner wall of the second blind hole (303). ) is rotatably provided with a rotating block (307) on the inner wall thereof, a plurality of locking holes (308) are equidistantly provided on the inner wall of the rotating block (307), the bottom end of the rotating block (307) is fixedly connected to a limited telescopic rod (310), the bottom end of the limited telescopic rod (310) is fixedly connected to a limited block (312), a third spring (311) is sleeved on the outside of the limited telescopic rod (310), the top end of the rotating block (307) is fixedly connected to a knob (309), and pin holes (306) are symmetrically provided on the outer surface of one side of the U-shaped frame (301).

2. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 1 is characterized in that: A connecting bolt (4) is provided through the inner bottom of the middle pressure block (1) near the middle, and a wing nut (5) is provided on the outer surface of the connecting bolt (4), and the wing nut (5) is arranged inside the C-shaped steel (6).

3. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 1 is characterized in that: Photovoltaic panels (7) are symmetrically arranged on the outer surfaces of both sides of the middle pressure block (1), and the bottom of the photovoltaic panel (7) is in contact with the top of the C-shaped steel (6).

4. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 1 is characterized in that: The top of the middle pressure block (1) is symmetrically provided with grooves (11), and the two grooves (11) correspond to the U-shaped frame (301).

5. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 1 is characterized in that: The outer surface of one side of the intermediate pressure block (1) is symmetrically provided with first blind holes (12), the inner walls of the two first blind holes (12) are each provided with a first through hole (13), and the first through hole (13) is connected to the groove (11).

6. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 5 is characterized in that: A latch (21) is slidably provided on the inner walls of the two first through holes (13), one end of the latch (21) corresponds to the pin hole (306), the other end of the latch (21) is fixedly connected to a connecting plate (22), and a pull plate (23) is fixedly connected between the end surfaces of the two connected plates (22).

7. The anti-loosening intermediate pressure block for photovoltaic installation according to claim 6, characterized in that: A first spring (2) is sleeved on the outside of the latch (21), one end of the first spring (2) is fixedly connected to the inner wall of the first blind hole (12), and the other end of the first spring (2) is fixedly connected to the connecting plate (22).

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