Plastic winged socket head cap screw connecting structure and photovoltaic support

By designing a bent section in the internal hexagonal bolt connection structure of the plastic wing nut to insert the opening and rolled edge of the steel inclined beam, the problem of eccentric installation of the plastic wing nut was solved, achieving a stable and safe connection of the photovoltaic bracket and reducing construction and operation and maintenance costs.

CN224319285UActive Publication Date: 2026-06-02ZHUHAI HUAFA NEW ENERGY INVESTMENT & DEV HLDG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI HUAFA NEW ENERGY INVESTMENT & DEV HLDG CO LTD
Filing Date
2025-06-19
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In photovoltaic brackets, the internal hexagonal bolts of the plastic wing type are installed eccentrically due to processing errors and purlin deformation, which cannot effectively fix the purlins and cause safety hazards.

Method used

A plastic wing nut internal hexagonal bolt connection structure is designed. By punching and bending the two ends of the plastic wing nut steel sheet to form a bent part, it is inserted into the open rolled edge of the steel inclined beam to ensure that the plastic wing nut steel sheet is installed in the correct position and avoids rotation.

Benefits of technology

This design achieves an effective connection between the steel purlins and the steel inclined beams, ensuring the stability and safety of the structural system, reducing construction rework and maintenance difficulties, and resulting in significant economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a plastic-wing nut socket head cap bolt connection structure, comprising a socket head cap bolt for passing through a steel purlin and a steel inclined beam; and a plastic-wing nut steel sheet, comprising a main body, a threaded hole at the center of the main body, and bent portions at both ends of the main body formed by punching and bending towards the socket head cap bolt. When the plastic-wing nut steel sheet is connected to the socket head cap bolt, the two bent portions are used to lock into the open rolled edge of the steel inclined beam, thereby pressing the steel purlin onto the steel inclined beam and restricting the opening of the rolled edge. This utility model also provides a photovoltaic bracket. This utility model provides a plastic-wing nut socket head cap bolt connection structure, by punching and bending both ends of the plastic-wing nut steel sheet to form bent portions, which, during construction, lock into the open rolled edge of the steel inclined beam, preventing the plastic-wing nut steel sheet from rotating with the socket head cap bolt, ensuring the plastic-wing nut steel sheet is installed in the correct position, thereby ensuring an effective connection between the steel purlin and the steel inclined beam, and ensuring the overall stability and safety of the structural system.
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Description

Technical Field

[0001] This application relates to the field of photovoltaic equipment installation technology, and in particular to a plastic wing nut internal hexagonal bolt connection structure and photovoltaic bracket. Background Technology

[0002] In recent years, my country's photovoltaic new energy sector has developed rapidly, and photovoltaic power generation has gradually become a crucial part of the power generation field. Steel support systems are an essential component of almost every photovoltaic project, and the internal hexagonal bolts of the plastic wing nuts play a vital role in these systems. Currently, due to processing errors, purlin deformation, and the excessive softness of the plastic portion of the plastic wing nuts, they are often installed eccentrically, failing to secure the purlins and thus posing significant safety hazards to the photovoltaic structural system. Utility Model Content

[0003] To solve the above problems, this technical solution provides a plastic wing nut internal hexagonal bolt connection structure.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] A plastic wing nut internal hex bolt connection structure, including

[0006] Hex socket head cap screws are used to pass through steel purlins and steel inclined beams;

[0007] A plastic wing nut steel sheet includes a main body, a threaded hole located at the center of the main body, and bent portions located at both ends of the main body and formed by punching and bending towards the internal hexagon bolt;

[0008] When the plastic wing nut steel sheet is connected to the internal hex bolt, the two bent parts are used to lock onto the open rolled edge of the steel inclined beam to press the steel purlin onto the steel inclined beam and restrict the opening rolled edge from opening.

[0009] In the aforementioned plastic wing nut internal hexagonal bolt connection structure, the main body and the bent part are integrally connected.

[0010] A photovoltaic support includes a steel inclined beam, an aluminum alloy block for pressing onto a photovoltaic module, a U-bolt passing through the aluminum alloy block and the steel inclined beam, a first nut connected to the U-bolt, a steel purlin disposed within the U-bolt, and a plastic wing nut internal hexagonal bolt connection structure as described above.

[0011] As described above, the photovoltaic bracket includes a steel inclined beam comprising a body and rolled edges on both sides of the body. The rolled edges include an abutment portion that bends inward perpendicularly relative to the body and a support portion that connects to the abutment portion and bends inward perpendicularly toward the body. The bent portion abuts against the side of the support portion near the body.

[0012] As described above, the photovoltaic bracket further includes a reinforcing portion disposed between the rolled edge portion and the main body portion, wherein the reinforcing portion is bent outward from the main body portion to protrude from the main body portion and be perpendicular to the abutting portion.

[0013] As described above, in the photovoltaic bracket, the opening direction of the steel inclined beam is opposite to the opening direction of the U-bolt, and the internal hex bolt is inserted from the outside of the steel inclined beam.

[0014] The photovoltaic support structure described above also includes a corner connector mounted on the steel inclined beam and a steel column hinged to the corner connector.

[0015] The photovoltaic support structure described above also includes a base frame that fits into the steel column, and the two are connected by bolts.

[0016] The photovoltaic support structure described above also includes a concrete foundation and a U-shaped embedded part embedded in the concrete foundation. The two ends of the U-shaped embedded part are exposed in the concrete foundation and connected to the base frame.

[0017] The beneficial effects of this application are:

[0018] This utility model provides a plastic wing nut internal hexagon bolt connection structure. By punching and bending both ends of the plastic wing nut steel sheet to form a bent part, the bent part is inserted into the open rolled edge of the steel inclined beam during construction, preventing the plastic wing nut steel sheet from rotating with the internal hexagon bolt, ensuring that the plastic wing nut steel sheet is installed in the correct position, thereby ensuring the effective connection between the steel purlin and the steel inclined beam, and ensuring the overall stability and safety of the structural system. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0020] Figure 1 A schematic diagram of a plastic wing nut internal hexagonal bolt connection structure;

[0021] Figure 2 This is a top view of the steel sheet of the plastic wing nut;

[0022] Figure 3 This is a schematic diagram of the photovoltaic support structure;

[0023] Figure 4 for Figure 3 Enlarged view of point A;

[0024] Figure 5 for Figure 4 Sectional view at BB. Detailed Implementation

[0025] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0026] A plastic wing nut internal hex bolt connection structure, including

[0027] Socket head cap bolt 1, which is used to pass through steel purlin 3 and steel inclined beam 7;

[0028] The plastic wing nut steel sheet 2 includes a main body 21, a threaded hole 22 located at the center of the main body 21, and bent portions 23 located at both ends of the main body 21 and formed by punching and bending towards the internal hexagon bolt 1;

[0029] When the plastic wing nut steel sheet 2 is connected to the internal hex bolt 1, the two bent parts 23 are used to lock at the open rolled edge of the steel inclined beam 7 to press the steel purlin 3 onto the steel inclined beam 7 and restrict the opening rolled edge from opening.

[0030] This utility model provides a plastic wing nut internal hexagon bolt connection structure. By punching and bending both ends of the plastic wing nut steel sheet to form a bent part, the bent part is inserted into the open rolled edge of the steel diagonal bar during construction, preventing the plastic wing nut steel sheet from rotating with the internal hexagon bolt, ensuring that the plastic wing nut steel sheet is installed in the correct position, thereby ensuring the effective connection between the steel purlin and the steel diagonal beam, and ensuring the overall stability and safety of the structural system.

[0031] Furthermore, as a preferred embodiment of this solution and not a limitation, the main body 21 and the bent portion 23 are integrally connected. This helps to increase strength.

[0032] The photovoltaic support structure includes a steel inclined beam 7, an aluminum alloy pressure block 4 for pressing onto the photovoltaic module, a U-bolt 5 passing through the aluminum alloy pressure block 4 and the steel inclined beam 7, a first nut 6 connected to the U-bolt 5, a steel purlin 3 disposed within the U-bolt 5, and a plastic wing nut internal hexagonal bolt connection structure as described above. The plastic wing nut elbow has low processing costs, effectively constrains the plastic wing nut, and avoids eccentric installation. The technology is simple and easy to understand, and operation is straightforward. It can effectively reduce on-site rework, reduce the difficulty of later operation and maintenance, and ensure structural safety, resulting in significant economic benefits.

[0033] Furthermore, as a preferred embodiment of this solution and not a limitation, the steel inclined beam 7 includes a body 71 and rolled edges 72 disposed on both sides of the body 71. Each rolled edge 72 includes an abutting portion 73 bent inwards perpendicularly relative to the body 71, and a supporting portion 74 connected to the abutting portion 73 and bent perpendicularly toward the body 71. The bent portion 73 abuts against the side of the supporting portion 74 near the main body 21. An open rolled edge is located between the two supporting portions 74.

[0034] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the steel inclined beam 7 further includes a reinforcing portion 76 disposed between the rolled edge portion 72 and the main body portion 21, wherein the reinforcing portion 76 is bent outward from the main body portion 21 to protrude from the main body portion 21 and be perpendicular to the abutting portion 73.

[0035] Furthermore, as a preferred embodiment of this solution and not a limitation, the opening 75 of the steel inclined beam 7 is oriented in the opposite direction to the opening 75 of the U-bolt 5, and the internal hex bolt 1 is inserted from the outside of the steel inclined beam 7.

[0036] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, it also includes a corner connector 8 disposed on the steel inclined beam 7, and a steel column 9 hinged to the corner connector 8.

[0037] Furthermore, as a preferred embodiment of this solution and not a limitation, it also includes a base frame 10 fitted with the steel column 9, the two being connected by bolts.

[0038] Furthermore, as a preferred embodiment of this solution and not a limitation, it also includes a concrete foundation 11 and a U-shaped embedded part 12 embedded in the concrete foundation 11, with both ends of the U-shaped embedded part 12 protruding from the concrete foundation 11 and connected to the base frame 10.

[0039] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. A plastic wing nut internal hexagonal bolt connection structure, characterized in that: include Hex socket head cap screws (1) are used to pass through steel purlins (3) and steel inclined beams (7); The plastic wing nut steel sheet (2) includes a main body (21), a threaded hole (22) located at the center of the main body (21), and a bent part (23) located at both ends of the main body (21) and formed by punching and bending towards the internal hexagonal bolt (1); When the plastic wing nut steel sheet (2) is connected to the internal hex bolt (1), the two bent parts (23) are used to lock at the opening rolled edge of the steel inclined beam (7) to press the steel purlin (3) onto the steel inclined beam (7) and restrict the opening rolled edge from opening.

2. The internal hexagonal bolt connection structure for a plastic wing nut according to claim 1, characterized in that: The main body (21) and the bending part (23) are integrally connected.

3. A photovoltaic support structure, characterized in that: The structure includes a steel inclined beam (7), an aluminum alloy pressure block (4) for pressing onto a photovoltaic module, a U-bolt (5) passing through the aluminum alloy pressure block (4) and the steel inclined beam (7), a first nut (6) connected to the U-bolt (5), a steel purlin (3) disposed within the U-bolt (5), and a plastic wing nut internal hexagonal bolt connection structure as described in any one of claims 1-2.

4. The photovoltaic support according to claim 3, characterized in that: The steel inclined beam (7) includes a body (71) and rolled edges (72) on both sides of the body (71). The rolled edges (72) include an abutment portion (73) that bends vertically inward relative to the body (71) and a support portion (74) that is connected to the abutment portion (73) and bends vertically toward the body (71). The bent portion (73) abuts against the side of the support portion (74) near the main body portion (21).

5. The photovoltaic support according to claim 4, characterized in that: The steel inclined beam (7) also includes a reinforcing part (76) disposed between the rolled edge part (72) and the main body part (21), the reinforcing part (76) being bent outward from the main body part (21) to protrude from the main body part (21) and be perpendicular to the abutting part (73).

6. The photovoltaic support according to claim 3, characterized in that: The opening (75) of the steel inclined beam (7) is opposite to the opening (75) of the U-bolt (5), and the internal hex bolt (1) is inserted from the outside of the steel inclined beam (7).

7. The photovoltaic support according to claim 3, characterized in that: It also includes a corner connector (8) provided on the steel inclined beam (7) and a steel column (9) hinged to the corner connector (8).

8. The photovoltaic support according to claim 7, characterized in that: It also includes a base frame (10) that fits into the steel column (9), and the two are connected by bolts.

9. The photovoltaic support according to claim 8, characterized in that: It also includes a concrete foundation (11) and a U-shaped embedded part (12) embedded in the concrete foundation (11), with both ends of the U-shaped embedded part (12) protruding from the concrete foundation (11) and connected to the base frame (10).