Steel frame corner connector

By designing a closed-box structure for steel frame corner brackets, the problems of high cost of aluminum alloy corner brackets and insufficient strength of iron corner brackets were solved, achieving higher bending strength and shear resistance, and improving the safety and production efficiency of photovoltaic frames.

CN224111118UActive Publication Date: 2026-04-10ONETOP TECH (JIAXING) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing aluminum alloy corner brackets have high raw material costs and high processing energy consumption, while iron corner brackets have insufficient structural strength and pose safety hazards.

Method used

It adopts steel frame corner brackets and a unique closed box-type structure design, including inner L-shaped plates and outer L-shaped plates, which are fixedly connected by a first connecting plate. It is equipped with tenons, grooves, flanges and limiting blocks to improve bending strength and shear resistance.

Benefits of technology

While maintaining the cost advantage of steel, it achieves higher bending strength and shear resistance, has a simple structure, is easy to use, reduces production costs, and improves safety.

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Abstract

The utility model discloses a steel frame corner connector which comprises an inner L-shaped plate and an outer L-shaped plate, one end of the inner L-shaped plate is fixedly connected with one end of the outer L-shaped plate through a first connecting plate, the other end of the inner L-shaped plate is fixedly provided with a second connecting plate, the other end of the outer L-shaped plate is fixedly provided with a third connecting plate, the second connecting plate is fixedly provided with a splayed rabbet, and the splayed rabbet is fixedly provided with a groove. A groove matched with the splayed rabbet is formed in the third connecting plate, the splayed rabbet is embedded in the groove, first turnups are arranged on the two sides of the inner L-shaped plate, second turnups are arranged on the two sides of the outer L-shaped plate, and the first turnups make contact with the second turnups. According to the steel frame corner connector, due to the unique closed box type structural design, on the premise that the cost advantage of steel is kept, the bending strength and the shearing resistance higher than those of an aluminum alloy corner connector are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of corner code, specifically relates to a steel frame corner code. BACKGROUND

[0002] With the rapid development of photovoltaic power generation technology, the market demand of solar module as the core component of clean energy and its installation supporting components presents explosive growth. As the key component of photovoltaic frame connection, the use amount of corner code presents geometric growth with the photovoltaic installed capacity. At present, the mainstream product generally adopts aluminum alloy corner code, although it has strength advantage, but there are problems such as high raw material cost, large processing energy consumption. Part of manufacturers attempt to use open type iron corner code as a replacement scheme, but because of insufficient structural strength, it is easy to lead to frame connection failure, and there is a security risk.

[0003] Based on the above situation, the utility model provides a steel frame corner code, which can effectively solve the above problems. INVENTION CONTENTS

[0004] The utility model discloses a steel frame corner code. The steel frame corner code is simple in structure, convenient to use, and has higher bending strength and shear resistance than aluminum alloy corner code under the premise of maintaining the cost advantage of steel.

[0005] The utility model discloses the following technical scheme:

[0006] A steel frame corner code, including inner L shape board and outer L shape board, the inner L shape board one end is fixedly connected with the outer L shape board one end through the first connecting plate, the inner L shape board other end is fixedly equipped with the second connecting plate, the outer L shape board other end is fixedly equipped with the third connecting plate, the second connecting plate is fixedly equipped with the splayed mortise, the third connecting plate is equipped with the recess that matches with the splayed mortise, the splayed mortise is embedded in the recess, the both sides of the inner L shape board are equipped with the first flanging, the both sides of the outer L shape board are equipped with the second flanging, the first flanging is in contact with the second flanging.

[0007] The utility model discloses a steel frame corner code. The steel frame corner code is simple in structure, convenient to use, and has higher bending strength and shear resistance than aluminum alloy corner code under the premise of maintaining the cost advantage of steel.

[0008] Preferably, the inner L-shaped plate is provided with a first lower concave support table, and the outer L-shaped plate is provided with a second lower concave support table, and the first lower concave support table and the second lower concave support table are in contact.

[0009] Preferably, the first flange is provided with a limiting groove, and the second flange is fixedly provided with a limiting block matched with the limiting groove, and the limiting block is embedded in the limiting groove.

[0010] Preferably, the first connecting plate is in a sharp angle shape in cross section.

[0011] Preferably, the second connecting plate and the third connecting plate are in a sharp angle shape in combined cross section.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] The steel frame corner brace has simple structure and convenient use, realizes higher bending strength and shear resistance than the aluminum alloy corner brace under the premise of maintaining the cost advantage of steel. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a front view structural schematic view of the utility model;

[0016] Fig. 3 It is a side view structural schematic view of the utility model;

[0017] Fig. 4 It is a top view structural schematic view of the utility model. DETAILED DESCRIPTION

[0018] In order to make the skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific implementation examples, but it should be understood that the drawings are only used for exemplary description, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for exemplary description, and cannot be understood as the limitation of the patent.

[0019] Example 1:

[0020] As Figs. 1 to 4As shown in the utility model provides a kind of steel frame angle code, including inner L-shaped plate 1 and outer L-shaped plate 2, one end of the inner L-shaped plate 1 is fixedly connected with one end of outer L-shaped plate 2 by first connecting plate 3, second connecting plate 4 is fixedly arranged on the other end of the inner L-shaped plate 1, third connecting plate 5 is fixedly arranged on the other end of the outer L-shaped plate 2, splayed mortise 6 is fixedly arranged on the second connecting plate 4, recess is set on the third connecting plate 5 and matched with splayed mortise 6, splayed mortise 6 is embedded in recess, first flanging 7 is equipped on both sides of the inner L-shaped plate 1, second flanging 8 is equipped on both sides of the outer L-shaped plate 2, and first flanging 7 is contacted with second flanging 8.

[0021] Example 2:

[0022] As Figs. 1 to 4 shown, the utility model provides a kind of steel frame angle code, including inner L-shaped plate 1 and outer L-shaped plate 2, one end of the inner L-shaped plate 1 is fixedly connected with one end of outer L-shaped plate 2 by first connecting plate 3, second connecting plate 4 is fixedly arranged on the other end of the inner L-shaped plate 1, third connecting plate 5 is fixedly arranged on the other end of the outer L-shaped plate 2, splayed mortise 6 is fixedly arranged on the second connecting plate 4, recess is set on the third connecting plate 5 and matched with splayed mortise 6, splayed mortise 6 is embedded in recess, first flanging 7 is equipped on both sides of the inner L-shaped plate 1, second flanging 8 is equipped on both sides of the outer L-shaped plate 2, and first flanging 7 is contacted with second flanging 8.

[0023] Splayed mortise 6 is arranged to close sheet metal part, improve the tensile strength of angle code.

[0024] First concave support platform 9 is equipped on the inner L-shaped plate 1, second concave support platform 10 is equipped on the outer L-shaped plate 2, and first concave support platform 9 and second concave support platform 10 are contacted.

[0025] Concave support platform is arranged to support the hollow cavity of angle code, and the bending strength is improved.

[0026] Further, in another embodiment, limit slot is equipped on the first flanging 7, limit block 11 matched with limit slot is fixedly arranged on the second flanging 8, and limit block 11 is embedded in limit slot.

[0027] By the cooperation of limit block 11 and limit slot, left and right movement of the inner L-shaped plate 1 and the outer L-shaped plate 2 is prevented.

[0028] Further, in another embodiment, the first connecting plate 3 is in the form of an acute angle.

[0029] Further, in another embodiment, the second connecting plate 4 and the third connecting plate 5 are in the form of an acute angle.

[0030] The connecting plate is arranged in a sharp corner shape, so as to match the automation equipment, facilitate guiding, facilitate automation production, and improve the production efficiency of the photovoltaic panel frame and similar products.

[0031] According to the description and the drawings, a person skilled in the art can easily manufacture or use the steel frame corner code of the utility model, and the positive effects described in the utility model can be achieved.

[0032] Unless otherwise specified and limited, in the utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the orientation or positional relationship in the utility model are only used for exemplary description, and cannot be understood as a limitation on the patent, for ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances in combination with the drawings.

[0033] Unless otherwise specified and limited, in the utility model, if there are terms such as "setting", "connection" and "connection", they should be understood broadly, for example, they can be fixedly connected, or can be detachably connected, or integrally connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, any simple modification or equivalent change of the above embodiment according to the technical essence of the utility model falls within the protection scope of the utility model.

Claims

1. A steel framing corner bracket, characterized by: It includes inner L-shaped plate and outer L-shaped plate, one end of the inner L-shaped plate is fixedly connected with one end of the outer L-shaped plate through the first connecting plate, the other end of the inner L-shaped plate is fixedly provided with the second connecting plate, the other end of the outer L-shaped plate is fixedly provided with the third connecting plate, the second connecting plate is fixedly provided with the splayed mortise, the third connecting plate is provided with the groove matched with the splayed mortise, the splayed mortise is embedded in the groove, the two sides of the inner L-shaped plate are provided with the first flanging, the two sides of the outer L-shaped plate are provided with the second flanging, and the first flanging is in contact with the second flanging.

2. The steel jamb corner brace of claim 1, wherein: The inner L-shaped plate is provided with the first concave supporting table, the outer L-shaped plate is provided with the second concave supporting table, and the first concave supporting table and the second concave supporting table are in contact.

3. The steel jamb corner brace of claim 1, wherein: The first flanging is provided with the limiting groove, the second flanging is fixedly provided with the limiting block matched with the limiting groove, and the limiting block is embedded in the limiting groove.

4. The steel jamb corner brace of claim 1, wherein: The first connecting plate is in the shape of sharp angle in cross section.

5. The steel jamb corner brace of claim 1, wherein: The second connecting plate and the third connecting plate are in the shape of sharp angle in combined cross section.