A mesopatella

Abstract

This utility model relates to the field of photovoltaic support technology, specifically to a center support plate, including a first connector, a second connector, and a bolt assembly. The first connector includes an insertion receiving portion and a first snap-fit ​​portion, with a circular mounting hole on the insertion receiving portion. The second connector includes an insertion portion and a second snap-fit ​​portion, the shape of which is adapted to the receiving groove of the first connector, allowing it to be inserted into the receiving groove and slide along the length of the receiving groove; the insertion portion has a waist-shaped connecting hole. The bolt assembly passes through the mounting hole of the first connector and the connecting hole of the second connector, locking and fixing them together. The separate design of the first and second connectors allows for slight adjustment of the overall length of the center support plate, effectively accommodating width fluctuations caused by production errors or deformation of the Z-shaped steel, solving the problem of difficult installation or insecure fixing of fixed-length center support plates, and improving installation stability.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic support technology, specifically to a central support plate for a Z-shaped steel water trough in a photovoltaic support, which enables an adjustable fastening connection of the Z-shaped steel, thereby improving the adaptability and stability of the photovoltaic support. Background Technology

[0002] In photovoltaic (PV) mounting systems, the water trough assembly needs to simultaneously fulfill the functions of "guiding rainwater drainage" and "supporting PV panels." Traditional technologies often use M-shaped steel as the water trough, but M-shaped steel suffers from insufficient installation flexibility and limited adaptability to various scenarios.

[0003] With technological advancements, Z-shaped steel has emerged as a replacement for M-shaped steel in photovoltaic support systems. Z-shaped steel combines efficient water conduction with strong support, but it suffers from several drawbacks: dimensional errors are easily introduced during production, and it is susceptible to slight deformation due to transportation and installation stress, leading to width fluctuations. However, most existing support plates have fixed lengths. Referencing patent publication CN202321064068.7, which discloses a support plate for a waterproof system in BIPV photovoltaics, and patent CN202330694016.7, which discloses a support plate for a photovoltaic water tank, two problems arise when using fixed-length support plates: 1. When the width of the Z-shaped steel is too narrow, the center support plate cannot be installed in place; 2. When the width of the Z-shaped steel is too wide, there will be a gap between the central support plate and the Z-shaped steel. After installation, it will become loose and wobbly, which will seriously weaken the structural stability of the photovoltaic support and threaten the safety of the photovoltaic panel. Utility Model Content

[0004] The purpose of this invention is to provide a split, telescopic, and adjustable center plate that can accommodate the dimensional errors or deformations of the Z-shaped steel, thereby achieving a firm fixation of the Z-shaped steel and improving the stability of the photovoltaic support.

[0005] To achieve the above objectives, this utility model provides a center support plate for a Z-shaped steel water trough of a photovoltaic bracket, comprising a first connector, a second connector, and a bolt assembly, with the specific structure as follows: The first connector includes a insertion receiving portion and a first snap-fit ​​portion: The insertion receiving part is groove-shaped, with an inner receiving groove for accommodating the insertion part of the second connector; the insertion receiving part is provided with a circular mounting hole as a reference hole for bolt fixing.

[0006] A first groove is formed on the inner side of the first snap-fit ​​portion. The first groove includes a first narrowing section, which is used to press the flange of the Z-shaped steel to improve the snap-fit ​​tightness. The first snap-fit ​​portion also includes first recesses located above and below the first narrowing section. The setting of the first recesses allows the first narrowing section to be formed in the first groove, thereby increasing the structural strength of the first snap-fit ​​portion and the fit of the Z-shaped steel.

[0007] The second connector includes a plug-in portion and a second snap-fit ​​portion; The shape of the plug part is adapted to the receiving groove of the first connector, and it can be inserted into the receiving groove and slide along the length direction of the receiving groove; the plug part is provided with a waist-shaped connecting hole, which corresponds to the mounting hole of the first connector. The length direction of the waist-shaped hole extends along the telescopic direction of the middle support plate, providing a margin for telescopic adjustment.

[0008] A second locking groove is formed on the inner side of the second locking portion. The second locking groove includes a second narrowing section, which is used to press against the other flange of the Z-shaped steel. The second locking portion includes second pressure recesses located above and below the second narrowing section. Similar to the first pressure recess, the second pressure recesses allow the second narrowing section to be formed in the second locking groove, thereby increasing the structural strength of the second locking portion and its fit to the Z-shaped steel. The second locking portion corresponds to the first locking portion, achieving double-sided locking of the Z-shaped steel.

[0009] The bolt assembly includes a bolt and a nut. The bolt passes through a circular mounting hole in the first connector and a slotted connecting hole in the second connector to lock and secure them together.

[0010] The insertion receiving part has a connecting part that connects to the first snap-fit ​​part. The cross-section of the connecting part is Y-shaped, which not only ensures the connection strength between the insertion receiving part and the first snap-fit ​​part, but also optimizes the stress distribution and improves the overall resistance to deformation.

[0011] The beneficial effects of this technical solution are as follows: The separate design of the first and second connecting parts allows for slight adjustment of the overall length of the middle support plate, effectively adapting to the width fluctuations caused by production errors or deformation of the Z-shaped steel, solving the problem of difficult installation or unstable fixing of the fixed-length middle support plate, and improving installation stability. Attached Figure Description

[0012] Figure 1 This is a perspective view of the middle support plate in use according to an embodiment of the present utility model; Figure 2 This is a front view of the middle support plate in use according to an embodiment of the present utility model; Figure 3 This is a perspective view of the first connector and the second connector according to an embodiment of the present utility model; In the figure, 1 is the first connector; 11 is the insertion receiving part; 111 is the receiving groove; 112 is the mounting hole; 113 is the connecting part; 12 is the first snap-fit ​​part; 121 is the first snap-fit ​​groove; 1211 is the first narrowing section; 122 is the first crimping part; 2 is the second connector; 21 is the insertion part; 211 is the connecting hole; 22 is the second snap-fit ​​part; 221 is the second snap-fit ​​groove; 2211 is the second narrowing section; 222 is the second crimping part; 3 is the bolt assembly; 31 is the bolt; 32 is the nut; 4 is the Z-shaped steel. Detailed Implementation

[0013] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0014] Please see Figures 1 to 3 In this embodiment, the middle support plate is composed of a first connector 1, a second connector 2 and a bolt 31 assembly 3. The first connector 1 and the second connector 2 are preferably made of aluminum alloy.

[0015] The first connector 1 includes a plug-in receiving part 11 and a first snap-fit ​​part 12. A receiving groove 111 is formed on the inner side of the plug-in receiving part 11, and a mounting hole 112 communicating with the receiving groove 111 is provided on the plug-in receiving part 11.

[0016] To enable the telescopic adjustment and fixation of the center support plate, the mounting hole 112 is a round hole, and the connecting hole 211 is an oblong hole. The mounting hole 112 is located in the middle of the insertion receiving part 11 and provides a locking reference. The connecting hole 211 is reserved for telescopic adjustment. Adjustment and locking are achieved through the difference in hole shape.

[0017] The second connector 2 includes a plug-in part 21 and a second snap-fit ​​part 22. The plug-in part 21 has a connection hole 211 corresponding to the mounting hole 112. The plug-in part 21 is inserted into the receiving groove 111 and can slide along the length direction of the receiving groove 111. The width of the receiving groove 111 is precisely matched with the thickness of the plug-in part 21, and the fitting gap is less than 0.5mm, ensuring that the plug-in part 21 slides smoothly without additional shaking.

[0018] The waist-shaped hole provides adjustment space for the sliding of the connector, adapting to the size error or deformation of the Z-shaped steel 4, while the round hole ensures the positioning accuracy of the bolt 31 locking. The combination of the two achieves adjustable and precise locking, greatly improving the adaptability of the center plate.

[0019] Bolt 31 assembly 3 is used to lock the first connector 1 and the second connector 2. Bolt 31 assembly 3 includes bolt 31 and nut 32. Bolt 31 passes through mounting hole 112 and connecting hole 211 and is connected to nut 32.

[0020] For example, bolt 31 is an M8 stainless steel bolt. Mounting hole 112 has a diameter of 8 mm. Connecting hole 211 has a length of 20 mm, providing an effective expansion and contraction adjustment of approximately 15 mm, and its width is the same as that of mounting hole 112, ensuring that bolt 31 can pass through smoothly.

[0021] The installation and adjustment process of the middle support plate in this embodiment: S1, Pre-assembly: Insert the insertion part 21 of the second connector 2 into the receiving groove 111 of the first connector 1, so that the round hole of the first connector 1 is initially aligned with the oblong hole of the second connector 2; S2, Telescopic adjustment: Install bolt 31, which can slide in the oblong hole, pushing the second connector 2 to slide along the length direction of the receiving groove 111. Utilize the length allowance of the oblong hole to adjust the distance between the first snap-fit ​​part 12 and the second snap-fit ​​part 22 until they can be precisely aligned with the two side flanges of the Z-shaped steel 4; S3, Clamping and Locking: When the first narrowing section 1211 of the first slot 121 and the second narrowing section 2211 of the second slot 221 are tightly engaged with the flanges on both sides of the Z-shaped steel 4, achieving no gaps and no looseness, tighten the nut 32 of the bolt assembly 31 to securely lock the first connecting piece 1 and the second connecting piece 2, thus completing the fixing of the center support plate and the Z-shaped steel 4.

[0022] The central support plate in this embodiment effectively solves the problems of poor compatibility and unstable fixation of the Z-shaped steel 4-water trough in photovoltaic brackets through its split telescopic structure. It has the advantages of reasonable structure, convenient installation, strong adaptability and reliable fixation. It is suitable for various photovoltaic bracket systems that use Z-shaped steel 4-water troughs, and provides a guarantee for the stable support and efficient power generation of photovoltaic panels.

[0023] In some embodiments, to provide a suitable spatial form for engaging with the flange of the Z-shaped steel 4, a first slot 121 is formed on the inner side of the first engaging portion 12. The first slot 121 enables the first engaging portion 12 to engage with the Z-shaped steel 4, providing a positioning reference and contact carrier for subsequent clamping and fixing, thereby improving the targeting and stability of the engagement.

[0024] The width of the first slot 121 is adapted to the thickness of the flange of the Z-shaped steel 4. The width of the first narrowing section 1211 is slightly smaller than the thickness of the flange of the Z-shaped steel 4, with an interference of 0.1~0.3mm, so as to achieve the clamping of the flange of the Z-shaped steel 4. The first pressing recess 122 is formed by stamping process to enhance the clamping stability.

[0025] The first slot 121 includes a first narrowing section 1211 for pressing the flange of the Z-shaped steel 4. The narrowing structure applies a pressing force to the flange of the Z-shaped steel 4. Through the tight fit between the narrowing section and the flange of the Z-shaped steel 4, the pressing effect of the first locking part 12 is enhanced, avoiding gaps and loosening after locking, and greatly improving the fixation firmness.

[0026] The first engaging portion 12 includes first recesses 122 located above and below the first narrowing section 1211. These localized recesses enhance the strength and fit of the first engaging portion 12. The first recesses 122 both improve the structural rigidity of the first engaging portion 12, making it less prone to deformation during clamping, and further prevent slippage, thus doubly strengthening the engagement stability.

[0027] A second slot 221 is formed on the inner side of the second snap-fit ​​part 22. The second slot 221 cooperates with the first slot 121 to achieve snap-fit ​​clamping on both sides of the Z-shaped steel 4, ensuring uniform distribution of clamping force, avoiding skewness and loosening caused by unilateral snap-fit, and improving snap-fit ​​balance and reliability.

[0028] The second slot 221 includes a second narrowing section 2211 for clamping the flange of the Z-shaped steel 4. The second narrowing section 2211 works in conjunction with the first narrowing section 1211 to apply a clamping force to the other flange of the Z-shaped steel 4.

[0029] The second narrowing section 2211 is pressed simultaneously from both sides of the Z-shaped steel 4, further improving the tightness of the clamping and ensuring that the Z-shaped steel 4 is firmly clamped to prevent shaking after installation.

[0030] The second snap-fit ​​portion 22 includes a second recess 222 located above and below the second narrowing section 2211. The second recess 222 has the same structure as the first recess 122, which enhances the strength and fit of the second snap-fit ​​portion 22.

[0031] The second snap-fit ​​part 22 has the same strength and fit as the first snap-fit ​​part 12, ensuring that the snap-fit ​​force on both sides of the Z-shaped steel 4 is balanced, and further improving the fixation stability.

[0032] In some embodiments, the insertion receiving portion 11 has a connecting portion 113 connected to the first snap-fit ​​portion 12, and the connecting portion 113 has a Y-shaped cross-section. The Y-shaped cross-section optimizes stress distribution and can improve the structural strength of the connecting portion 113, so that when the central support plate is subjected to external forces such as the weight of the photovoltaic panel, the connecting portion 113 is not easily deformed or broken, thereby enhancing the overall structural reliability and service life.

[0033] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A type of crossbeam, characterized in that, include: The first connector (1) includes a plug-in receiving part (11) and a first snap-fit ​​part (12). A receiving groove (111) is formed on the inner side of the plug-in receiving part (11), and a mounting hole (112) communicating with the receiving groove (111) is provided on the plug-in receiving part (11). The second connector (2) includes a plug-in part (21) and a second snap-fit ​​part (22). The plug-in part (21) has a connection hole (211) corresponding to the mounting hole (112). The plug-in part (21) is inserted into the receiving groove (111) and can slide along the length direction of the receiving groove (111). Bolt (31) assembly (3) passes through mounting hole (112) and connection hole (211) for locking first connector (1) and second connector (2).

2. The center support plate according to claim 1, characterized in that, A first slot (121) is formed on the inner side of the first snap-fit ​​portion (12).

3. The center support plate according to claim 2, characterized in that, The first slot (121) includes a first narrowed section (1211) for pressing the flange of the Z-shaped steel (4).

4. The center support plate according to claim 3, characterized in that, The first snap-fit ​​portion (12) includes a first recess (122) located above and below the first narrowing section (1211).

5. The middle support plate according to claim 1, characterized in that, A second slot (221) is formed on the inner side of the second snap-fit ​​portion (22).

6. The center support plate according to claim 5, characterized in that, The second slot (221) includes a second narrowed section (2211) for clamping the flange of the Z-shaped steel (4).

7. The center support plate according to claim 6, characterized in that, The second snap-fit ​​portion (22) includes a second recess (222) located above and below the second narrowing section (2211).

8. The middle support plate according to claim 1, characterized in that, The mounting hole (112) is a round hole, and the connecting hole (211) is an oblong hole.

9. The middle support plate according to claim 1, characterized in that, The bolt (31) assembly (3) includes a bolt (31) and a nut (32), the bolt (31) being connected to the nut (32) after passing through the mounting hole (112) and the connecting hole (211).

10. The center support plate according to claim 1, characterized in that, The insertion receiving part (11) includes a connecting part (113) connected to the first snap-fit ​​part (12), and the connecting part (113) has a Y-shaped cross section.

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