A wedge surface self-locking photovoltaic middle pressure block

Abstract

The application discloses a wedge surface self-locking photovoltaic middle pressing block used for connecting a first photovoltaic component and a second photovoltaic component, which comprises a U-shaped pressing plate located between the first photovoltaic component and the second photovoltaic component, and further comprises a wedge surface shaft penetrating through a bottom surface of the U-shaped pressing plate and moving along an axial direction of the wedge surface shaft, a wedge surface block penetrating through a side wall of the U-shaped pressing plate and abutting against the wedge surface shaft, and a wedge surface on the wedge surface block matching a wedge surface on the wedge surface shaft, so as to extrude the wedge surface shaft to move along the axial direction of the wedge surface shaft, a buckle block located at an end of the wedge surface shaft away from the wedge surface block and extending towards a slot direction of the second photovoltaic component, so as to extend into the slot and be clamped with the slot, and an elastic member sleeved on an outer periphery of the wedge surface shaft, used for providing an elastic force overcoming the extrusion of the wedge surface block to the wedge surface shaft. The photovoltaic middle pressing block arranged in the above manner can realize self-locking of the first photovoltaic component and the second photovoltaic component only by pushing the second photovoltaic component to be attached to the side wall of the photovoltaic middle pressing block by a single person, and is simple and reliable.

Description

Technical Field

[0001] This application relates to the field of photovoltaic equipment technology, and in particular to a wedge-face self-locking photovoltaic medium-pressure block. Background Technology

[0002] In the photovoltaic (PV) industry, the application of module clamping blocks is very mature. These unique and easy-to-use products have long been the industry standard. They consist of edge clamping blocks, center clamping blocks, screws, nuts, and washers, offering high cost-effectiveness. The PV center clamping block is installed between PV modules to prevent bracket displacement and lateral slippage, ensuring stable module installation. Currently, the installation process with existing PV center clamping blocks requires first securing the first PV module in the same row to one side with the edge clamping block. Then, the second PV module is placed in the correct position on the side. When placing the second PV module, someone needs to support or hold it down to prevent displacement or lateral slippage. Simultaneously, another person presses the PV center clamping block between the two sets of PV modules and tightens it with bolts and tools. Therefore, this installation process requires multiple people working together, and when working outdoors at heights, there are often no suitable conditions for multiple people to access the site, making installation difficult.

[0003] Therefore, in view of the above-mentioned technical problems, providing a photovoltaic medium-voltage block that can be operated by a single person and has a simple installation process with a wedge-shaped self-locking mechanism is a technical problem that needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this application is to provide a self-locking photovoltaic medium-voltage block with a wedge surface. This photovoltaic medium-voltage block utilizes a wedge surface structure to achieve self-locking, reducing the previous multi-person operation to one person's independent operation, which is simple and reliable.

[0005] To achieve the above objectives, this application provides a wedge-shaped self-locking photovoltaic intermediate pressure block for connecting a first photovoltaic module and a second photovoltaic module. It includes a U-shaped pressure plate located between the first photovoltaic module and the second photovoltaic module, and further includes:

[0006] A wedge-shaped shaft penetrates the bottom surface of the U-shaped pressure plate, and the wedge-shaped shaft moves along its axial direction.

[0007] A wedge block penetrates the side wall of the U-shaped pressure plate and abuts against the wedge shaft. The wedge surface on the wedge block engages with the wedge surface on the wedge shaft to compress the wedge shaft to move along its axial direction.

[0008] A snap-fit ​​block is located at the end of the wedge shaft opposite to the wedge block and extends toward the slot of the second photovoltaic module to extend into the slot and engage with it.

[0009] An elastic element, sleeved on the outer periphery of the wedge shaft, is used to provide the wedge shaft with an elastic force to overcome the compression of the wedge block.

[0010] Preferably, the end of the wedge block away from the wedge axis abuts against the second photovoltaic module, and the second photovoltaic module moves toward the first photovoltaic module to push the wedge block to squeeze the wedge axis. The wedge block moves along its axial direction and drives the latching block away from the bottom surface of the U-shaped pressure plate. The latching block after movement corresponds to the position of the slot. As the second photovoltaic module moves to abut against the side wall of the U-shaped pressure plate, the end of the latching block extends into the slot.

[0011] After the wedge block is removed, the latching block moves toward the bottom surface of the U-shaped pressure plate under the action of the elastic element, and the end of the latching block after movement engages with the side wall of the second photovoltaic module.

[0012] Preferably, the elastic element comprises:

[0013] A cylindrical sleeve is disposed on the bottom surface of the U-shaped pressure plate and sleeved on the outer periphery of the wedge shaft;

[0014] A spring is sleeved on the outer periphery of the wedge shaft and located between the cylindrical sleeve and the wedge shaft. The spring is in a compressed state and is used to provide the wedge shaft with an elastic force to overcome the compression of the wedge block.

[0015] Preferably, the wedge shaft is provided with a limiting ring along its circumference, the two ends of the spring abut against the bottom surface of the U-shaped pressure plate and the limiting ring respectively, and the limiting ring is spaced apart from the cylindrical sleeve.

[0016] Preferably, the wedge block is perpendicular to the wedge shaft, and the wedge surface of the wedge block presses against the wedge surface of the wedge shaft. As the wedge block moves, the wedge surface of the wedge block completely disengages from the wedge surface of the wedge shaft. At this time, the wedge shaft is pressed against the side wall of the wedge block. When the second photovoltaic module moves to abut against the side wall of the U-shaped pressure plate, the wedge block disengages from the side wall of the U-shaped pressure plate.

[0017] Preferably, after the wedge block disengages from the side wall of the U-shaped pressure plate, the elastic element pushes the wedge shaft and the latching block to reset, and the reset latching block fits against the bottom surface of the U-shaped pressure plate.

[0018] Preferably, the end of the latching block facing the slot is provided with a latching protrusion, and after being reset, the latching protrusion on the latching block extends into the slot and latches with the side wall of the second photovoltaic module.

[0019] Preferably, a fastener is provided on the bottom surface of the U-shaped pressure plate, the fastener being used to fix the U-shaped pressure plate to the mounting bracket.

[0020] Preferably, the U-shaped pressure plate sidewall, which is different from the wedge block, abuts against the first photovoltaic module.

[0021] Preferably, the two side walls of the U-shaped pressure plate are respectively provided with pressure plates that abut against the end faces of the first photovoltaic module and the second photovoltaic module.

[0022] Compared with the above-mentioned background technology, this application discloses a self-locking photovoltaic intermediate pressure block with a wedge surface. A movable wedge surface shaft is provided on the U-shaped pressure plate of the photovoltaic intermediate pressure block, and a wedge surface block that cooperates with the wedge surface shaft is provided on the side wall of the U-shaped pressure plate. A latching block is provided at the bottom of the wedge surface shaft. The latching block extends towards the second photovoltaic module and inserts into the slot of the second photovoltaic module to latch with it. Thus, it can be realized that only one person needs to push the second photovoltaic module to complete the self-locking between the second photovoltaic module and the first photovoltaic module.

[0023] Specifically, with the first photovoltaic module fixed on one side, the second photovoltaic module is pushed against the wedge block, and the second photovoltaic module is continuously pushed towards the first photovoltaic module. At this time, the wedge block uses its wedge structure to push the wedge axis downward, thereby driving the locking block downward. When the wedge block is pushed to a certain extent, the wedge surface of the wedge shaft completely disengages from the wedge surface of the wedge block. At this time, the wedge shaft remains stable in its axial direction, and the locking block can correspond to the slot position. When the second photovoltaic module moves to fit against the side wall of the U-shaped pressure plate, the end of the locking block extends into the slot. At this time, the wedge block is removed, and the wedge shaft and the locking block are reset under the action of the elastic element. The locking block moves upward, thereby locking the end of the locking block extending into the slot against the side wall of the second photovoltaic module. Therefore, the self-locking photovoltaic middle pressure block with wedge surface set in the above manner can achieve self-locking between the first and second photovoltaic modules simply by pushing the second photovoltaic module against the side wall of the photovoltaic middle pressure block, which is simple and reliable. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0025] Figure 1 A schematic diagram of the front structure of the wedge-face self-locking photovoltaic medium-voltage block provided in the embodiments of this application;

[0026] Figure 2 This is a schematic diagram of the self-locking photovoltaic medium-pressure block with wedge surface provided in the embodiments of this application, and the first and second photovoltaic modules in a self-locking state;

[0027] Figure 3A schematic diagram of the slot setting structure on the second photovoltaic module of the wedge-face self-locking photovoltaic intermediate pressure block provided in the embodiment of this application;

[0028] Figure 4 This is a three-dimensional structural diagram illustrating the positional relationship between the self-locking photovoltaic intermediate pressure block and the second photovoltaic module before self-locking, as provided in the embodiments of this application.

[0029] Figure 5 This is a schematic diagram of the front structure of the self-locking photovoltaic intermediate pressure block and the second photovoltaic module before self-locking, as provided in the embodiments of this application.

[0030] Figure 6 This is a front structural diagram of the self-locking process between the wedge-faced self-locking photovoltaic intermediate pressure block and the second photovoltaic module provided in the embodiments of this application;

[0031] Figure 7 This is a schematic diagram of the front structure of the self-locking photovoltaic intermediate pressure block and the second photovoltaic module provided in the embodiment of this application after self-locking.

[0032] In the figure: 1. U-shaped pressure plate 2. Wedge shaft 3. Wedge block 4. Buckle block 5. Column sleeve 6. Spring 7. Limiting ring 8. Snap-fit ​​protrusion 9. Pressing plate 10. First photovoltaic module 11. Second photovoltaic module 12. Mounting bracket 13. Fastener 14. Groove. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] To enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] It should be noted that in this embodiment, the orientation or positional relationship indicated by terms such as "upper," "lower," "front," and "rear" is based on the orientation or positional relationship shown in the accompanying drawings. It is used only for the convenience of describing this application and for simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] As per the instruction manual Figures 1 to 4As shown, in this embodiment, a self-locking photovoltaic intermediate pressure block with a wedge surface is provided. The photovoltaic intermediate pressure block is disposed between the first photovoltaic module 10 and the second photovoltaic module 11 for connecting and fixing the two photovoltaic modules. The photovoltaic intermediate pressure block includes a U-shaped pressure plate 1. The U-shaped pressure plate 1 is similar to the U-shaped structure in a conventional pressure block. However, in this application, a wedge-shaped shaft 2 is provided on the bottom surface of the U-shaped pressure plate 1. At the same time, the wedge-shaped shaft 2 is located in the U-shaped groove. The wedge-shaped shaft 2 penetrates the bottom surface of the U-shaped pressure plate 1 and can move along its axial direction. That is to say, the wedge-shaped shaft 2 can be disposed through the through hole on the bottom surface of the U-shaped pressure plate 1, and the bottom end of the wedge-shaped shaft 2 can extend beyond the bottom surface of the U-shaped pressure plate 1 and be located on the other side of the bottom surface of the U-shaped pressure plate 1.

[0037] In addition, a wedge block 3 is provided through the side wall of the U-shaped pressure plate 1. The end of the wedge block 3 abuts against the end of the wedge shaft 2, and the wedge surface on the wedge block 3 cooperates with the wedge surface on the wedge shaft 2 to form a wedge structure. That is to say, the horizontal movement of the wedge block 3 can be converted into the vertical movement of the wedge shaft 2 through the principle of the 45° wedge surface. In other words, the wedge block 3 can be used to squeeze the wedge shaft 2 to move along its axial direction.

[0038] A latching block 4 is provided at the end of the wedge shaft 2 away from the wedge block 3. The latching block 4 can be fixed to the wedge shaft 2 by bolts or other components to form a whole. The movement of the wedge shaft 2 drives the latching block 4 to move. In addition, it should be noted that in order to achieve the self-locking function, the latching block 4 extends towards the slot 14 of the second photovoltaic module 11, and ensures that when the second photovoltaic module 11 abuts against the side wall of the U-shaped pressure plate 1, the latching block 4 can extend into the slot 14 and engage with the side wall of the second photovoltaic module 11.

[0039] Of course, to achieve the above-mentioned snap-fit, the snap-fit ​​block 4 needs to be able to rise a certain distance after entering the slot 14 to ensure that the snap-fit ​​block 4 is snapped with the side wall of the second photovoltaic module 11. In this embodiment, by sleeved with an elastic element on the outer periphery of the wedge shaft 2, the elastic element is used to provide the wedge shaft 2 with an elastic force to overcome the squeezing of the wedge block 3, so that after the wedge block 3 is removed, the wedge shaft 2 and the snap-fit ​​block 4 can be automatically reset. That is to say, the snap-fit ​​block 4 can move upward under the action of the elastic element, thereby achieving snap-fit ​​with the side wall of the second photovoltaic module 11.

[0040] In summary, in the above embodiments, a movable wedge shaft 2 is provided on the U-shaped pressure plate 1 of the photovoltaic pressure block, and a wedge block 3 that cooperates with the wedge shaft 2 is provided on the side wall of the U-shaped pressure plate 1. A latching block 4 is provided at the bottom of the wedge shaft 2. The latching block 4 extends towards the second photovoltaic module 11 and inserts into the slot 14 of the second photovoltaic module 11 to latch with it. Thus, it is possible to achieve self-locking between the second photovoltaic module 11 and the first photovoltaic module 10 by only one person pushing the second photovoltaic module 11.

[0041] Specifically, with the first photovoltaic module 10 fixed on one side, the end of the wedge block 3 away from the wedge shaft 2 abuts against the second photovoltaic module 11. The operator pushes the second photovoltaic module 11 against the wedge block 3 and continues to push the second photovoltaic module 11 toward the first photovoltaic module 10. At this time, the wedge block 3 uses the wedge structure to push the wedge shaft 2 downward, thereby driving the latching block 4 downward. When the wedge block 3 is pushed to a certain extent, the wedge surface of the wedge shaft 2 is completely separated from the wedge surface of the wedge block 3. At this time, the wedge shaft 2 remains stable in its axial direction, and the latching block 4 can correspond to the position of the slot 14. When the second photovoltaic module 11 moves to fit against the side wall of the U-shaped pressure plate 1, the end of the latching block 4 extends into the slot 14. At this time, the wedge block 3 is removed, and the wedge shaft 2 and the latching block 4 are reset under the action of the elastic element. The latching block 4 moves upward, thereby causing the end of the latching block 4 extending into the slot 14 to engage with the side wall of the second photovoltaic module 11.

[0042] Furthermore, the aforementioned elastic element includes a cylindrical sleeve 5 and a spring 6. The cylindrical sleeve 5 is located on the bottom surface of the U-shaped pressure plate 1 and is fitted around the outer periphery of the wedge shaft 2. It limits the wedge shaft 2 and the spring 6, preventing accidental shaking or other instability. Similarly, the spring 6 is located around the outer periphery of the wedge shaft 2 and is positioned between the cylindrical sleeve 5 and the wedge shaft 2. The spring 6 is in a compressed state, ensuring that it provides the wedge shaft 2 with an elastic force to overcome the squeezing of the wedge block 3. Of course, other elastic elements can also be used, but it is necessary to ensure the stability of the movement of the wedge shaft 2 and to provide a restoring elastic force for the wedge shaft 2. Specific other configurations are not detailed here and are all within the scope of this application.

[0043] To facilitate the spring 6 providing elastic force to the wedge shaft 2, in this embodiment, a limiting ring 7 is provided circumferentially around the outer periphery of the wedge shaft 2. The two ends of the spring 6 abut against the bottom surface of the U-shaped pressure plate 1 and the limiting ring 7 respectively, ensuring the spring 6 can be stably positioned. It should be noted that since a latching block 4 is provided at the bottom of the wedge shaft 2, the latching block 4 can also limit the movement of the wedge shaft 2 to a certain extent, preventing excessive upward movement. Furthermore, the limiting ring 7 needs to be spaced apart from the cylindrical sleeve 5. The distance between them needs to ensure that the wedge shaft 2 has sufficient movement space. That is, during the downward movement of the wedge shaft 2, it is not limited by the limiting ring 7. When the wedge shaft 2 moves downward to its maximum limit, the limiting ring 7 remains spaced apart from the cylindrical sleeve 5.

[0044] It should be noted that the maximum travel of the wedge shaft 2 mentioned above refers to the fact that during the movement of the wedge block 3, the wedge surface of the wedge block 3 will completely separate from the wedge surface of the wedge shaft 2. At this time, the wedge shaft 2 will no longer move along its axial direction, and the distance traveled by the wedge shaft 2 at this time is the maximum travel.

[0045] It is worth noting that, based on the 45° wedge structure, the wedge block 3 is set perpendicularly to the wedge shaft 2. In addition, the wedge block 3 is set perpendicularly to the side wall of the U-shaped pressure plate 1, and the wedge shaft 2 is set perpendicularly to the bottom surface of the U-shaped pressure plate 1. As can be seen from the above embodiment, as the wedge block 3 moves toward the wedge shaft 2, the wedge surface of the wedge block 3 can completely detach from the wedge surface of the wedge shaft 2. That is to say, after the wedge surface of the wedge block 3 completes the pressing task, the side wall of the wedge block 3 continues to hold the end face of the wedge shaft 2, thereby keeping the wedge shaft 2 stable in its axial direction. When the second photovoltaic module 11 continues to hold the wedge block 3 and moves, and when the second photovoltaic module 11 holds the side wall of the U-shaped pressure plate 1, the wedge block 3 detaches from the side wall of the U-shaped pressure plate 1.

[0046] In addition, after the wedge block 3 is disengaged from the side wall of the U-shaped pressure plate 1, the elastic element pushes the wedge shaft 2 and the latch block 4 to reset. After being reset, the latch block 4 fits against the bottom surface of the U-shaped pressure plate 1. At this time, the latch block 4 can be engaged with the side wall of the second photovoltaic module 11.

[0047] In order to improve the snap-fit ​​effect between the snap-fit ​​block 4 and the second photovoltaic module 11, a snap-fit ​​protrusion 8 is provided at the end of the snap-fit ​​block 4 facing the slot 14. The snap-fit ​​protrusion 8 extends into the slot 14 and snaps into the side wall of the second photovoltaic module 11.

[0048] For the aforementioned U-shaped pressure plate 1, it is fixedly connected to the mounting bracket 12 by fasteners 13 set on the ground, thereby achieving fixed installation. Furthermore, unlike the sidewall of the U-shaped pressure plate 1 where the wedge block 3 is located, which abuts against the first photovoltaic module 10, clamping plates 9 are respectively provided along the two sidewalls of the U-shaped pressure plate 1 to abut against the end faces of the first and second photovoltaic pressure plates. Of course, the arrangement of the fasteners 13, clamping plates 9, etc., will not be elaborated here; please refer to existing technology.

[0049] To further illustrate the self-locking process of this photovoltaic intermediate voltage block, please refer to the attached manual. Figure 5 To the instruction manual Figure 7 As shown, in Figure 5 In this state, before the photovoltaic middle pressure block and the second photovoltaic module 11 self-lock, the second photovoltaic module 11 and the wedge block 3 are spaced apart, and the wedge block 3 abuts against the wedge shaft 2, but no squeezing force is generated. The first photovoltaic module 10 is attached to the side wall of the U-shaped pressure plate 1, and the buckling block 4 is attached to the bottom surface of the U-shaped pressure plate 1. At this time, the buckling block 4 needs to be higher than the slot 14. Figure 6 At this point, the wedge surface of the wedge shaft 2 and the wedge surface of the wedge block 3 are just separating. That is, the second photovoltaic module 11 pushes the wedge block 3 to move. When it reaches this state, the end face of the wedge shaft 2 will then abut against the side wall of the wedge block 3, thus ensuring its axial stability. At this time, the height of the latching block 4 corresponds to that of the slot 14, and it can extend into the slot 14 as the second photovoltaic module 11 moves. Figure 7 At this point, the photovoltaic intermediate pressure block and the second photovoltaic module 11 are in a self-locking state. The second photovoltaic module 11 abuts against the side wall of the U-shaped pressure plate 1, which will push the wedge block 3 out of the side wall of the U-shaped pressure plate 1. Without the restriction of the wedge block 3, the wedge shaft 2 will be reset under the action of the elastic element, thereby driving the buckle block 4 to move upward and fit against the bottom surface of the U-shaped pressure plate 1. At this time, the buckle protrusion 8 inserted into the slot 14 can be engaged with the side wall of the second photovoltaic module 11, thereby realizing the self-locking of the photovoltaic intermediate pressure block and the second photovoltaic module 11.

[0050] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0051] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this application. It should be noted that those skilled in the art can make several improvements and modifications to this application without departing from the principles of this application, and these improvements and modifications also fall within the protection scope of the claims of this application.

Claims

1. A wedge-shaped self-locking photovoltaic intermediate pressure block for connecting a first photovoltaic module and a second photovoltaic module, comprising a U-shaped pressure plate located between the first photovoltaic module and the second photovoltaic module, characterized in that, Also includes: A wedge-shaped shaft penetrates the bottom surface of the U-shaped pressure plate, and the wedge-shaped shaft moves along its axial direction. A wedge block penetrates the side wall of the U-shaped pressure plate and abuts against the wedge shaft. The wedge surface on the wedge block engages with the wedge surface on the wedge shaft to compress the wedge shaft to move along its axial direction. A snap-fit ​​block is located at the end of the wedge shaft opposite to the wedge block and extends toward the slot of the second photovoltaic module to extend into the slot and engage with it. An elastic element, sleeved on the outer periphery of the wedge shaft, is used to provide the wedge shaft with an elastic force to overcome the extrusion of the wedge block; The end of the wedge block away from the wedge axis abuts against the second photovoltaic module. The second photovoltaic module moves toward the first photovoltaic module to push the wedge block to squeeze the wedge axis. The wedge block moves along its axial direction and drives the latching block away from the bottom surface of the U-shaped pressure plate. The latching block after movement corresponds to the position of the slot. As the second photovoltaic module moves to abut against the side wall of the U-shaped pressure plate, the end of the latching block extends into the slot. After the wedge block is removed, the latching block moves toward the bottom surface of the U-shaped pressure plate under the action of the elastic element, and the end of the latching block after movement engages with the side wall of the second photovoltaic module.

2. The self-locking photovoltaic intermediate pressure block according to claim 1, characterized in that, The elastic element includes: A cylindrical sleeve is disposed on the bottom surface of the U-shaped pressure plate and sleeved on the outer periphery of the wedge shaft; A spring is sleeved on the outer periphery of the wedge shaft and located between the cylindrical sleeve and the wedge shaft. The spring is in a compressed state and is used to provide the wedge shaft with an elastic force to overcome the compression of the wedge block.

3. The self-locking photovoltaic intermediate pressure block according to claim 2, characterized in that, The wedge shaft is provided with a limiting ring along its circumference. The two ends of the spring abut against the bottom surface of the U-shaped pressure plate and the limiting ring, respectively, and the limiting ring is spaced apart from the cylindrical sleeve.

4. The self-locking photovoltaic intermediate voltage block according to any one of claims 1-3, characterized in that, The wedge block is perpendicular to the wedge shaft, and the wedge surface of the wedge block presses against the wedge surface of the wedge shaft. As the wedge block moves, the wedge surface of the wedge block completely disengages from the wedge surface of the wedge shaft. At this time, the wedge shaft is pressed against the side wall of the wedge block. When the second photovoltaic module moves to abut against the side wall of the U-shaped pressure plate, the wedge block disengages from the side wall of the U-shaped pressure plate.

5. The self-locking photovoltaic intermediate pressure block according to claim 4, characterized in that, After the wedge block disengages from the side wall of the U-shaped pressure plate, the elastic element pushes the wedge shaft and the buckle block to reset, and the reset buckle block fits against the bottom surface of the U-shaped pressure plate.

6. The self-locking photovoltaic intermediate pressure block according to claim 5, characterized in that, The end of the latching block facing the slot is provided with a latching protrusion. After being reset, the latching protrusion on the latching block extends into the slot and latches with the side wall of the second photovoltaic module.

7. The self-locking photovoltaic intermediate pressure block according to claim 4, characterized in that, Fasteners are provided on the bottom surface of the U-shaped pressure plate, which are used to fix the U-shaped pressure plate to the mounting bracket.

8. The self-locking photovoltaic intermediate pressure block according to claim 4, characterized in that, Unlike the U-shaped pressure plate sidewall where the wedge block is located, it abuts against the first photovoltaic module.

9. The self-locking photovoltaic intermediate pressure block according to claim 8, characterized in that, The upper edges of the two side walls of the U-shaped pressure plate are respectively provided with clamping plates that abut against the end faces of the first photovoltaic module and the second photovoltaic module.

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