Corner connector for photovoltaic module frame

Abstract

The utility model relates to the technical field of photovoltaic modules, in particular to a corner connector for a photovoltaic module frame, which comprises a corner connector body, the corner connector body comprises two connecting parts perpendicular to each other, the tail ends of the two connecting parts are fixedly connected, and the left and right sides of the head end of each connecting part shift outwards and protrude to form limiting parts. The two limiting parts are distributed at intervals, the interval between the outer sides of the two limiting parts is smaller than the interval between the inner walls of the frames, the limiting parts are used for making contact with the inner walls of the frames of the photovoltaic modules, and clamping teeth are arranged on the end faces, close to the side where the limiting parts are located, of the inner walls of the frames of the photovoltaic modules. Through the elastic deformation of the corner connector body, after the corner connector enters the frame, the interval between the outer sides of the two limiting parts is reduced, so that the limiting parts abut against the frame through the elasticity of the corner connector, the contact strength of the clamping teeth and the frame can be increased, and the connection strength between the corner connector and the frame is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module technical field especially is a kind of corner code connecting piece for photovoltaic module frame. BACKGROUND

[0002] Corner code is used to connect the frame around photovoltaic module, usually L-shaped or vertically connected double corner code section structure. The corner code of the frame of photovoltaic module in the prior art is mostly used to connect the frame of photovoltaic module by snap tooth insertion, which has the following defects: poor installation stability: the snap connection between the traditional corner code and the inner wall of the frame completely depends on the snap tooth, and the vibration during installation or the high and low temperature conditions in the use environment make the corner code prone to thermal expansion and contraction, resulting in low matching degree of connection between the corner code and the frame, displacement, poor installation stability and low connection strength. SUMMARY

[0003] The utility model solves the technical problems: in order to overcome the prior art between corner code and frame inner wall completely rely on the snap connection of snap tooth, the vibration during installation or the high and low temperature conditions in the use environment make the corner code prone to thermal expansion and contraction, resulting in low matching degree of connection between the corner code and the frame, displacement, poor installation stability and low connection strength, provide a kind of corner code connecting piece for photovoltaic module frame.

[0004] The utility model solves the technical problems and adopts the technical scheme: a kind of corner code connecting piece for photovoltaic module frame, including corner code body, corner code body includes two mutually perpendicular connecting parts, the tail end of two connecting parts is fixedly connected, the left and right sides of connecting part first end are all outwardly offset and protrude to form limit part, two limit parts are distributed with interval, and the interval between the outside of two limit parts is less than the distance between the inner wall of frame, limit part is used to contact with the inner wall of frame of photovoltaic module, and the end face on the inner wall of frame of photovoltaic module close to the side where limit part is located is provided with snap tooth, by the offset arrangement of limit part, utilize the elastic deformation of corner code body itself, so that the interval between the outside between two limit parts is reduced after entering the frame, so as to utilize the elasticity of corner code to make limit part resist frame, can increase the contact force of snap tooth and frame, so as to improve the connection strength between corner code and frame.

[0005] In order to solve the problem of low connection strength of corner code and frame, further comprising two limit parts between arranging stabilizing assembly, stabilizing assembly includes connecting column and connecting rod, connecting column has internal thread hole for bolt thread connection, connecting rod one end and connecting column fixed connection, the other end and connecting part fixed connection.

[0006] In order to solve the problem of low connection strength of the corner code and the frame, further comprising a stabilizing assembly including two abutting pieces, the abutting pieces and the limiting parts are one-to-one corresponding, the tail end of the abutting piece is in contact with the limiting part on the side thereof, and the head end of the abutting piece penetrates through the connecting column and extends into the internal threaded hole of the connecting column.

[0007] In order to solve the problem of easy deformation of the abutting piece, further comprising that the head end of the abutting piece protrudes from the inner wall of the internal threaded hole of the connecting column by 1-2 mm.

[0008] In order to solve the problem of low stability of the connecting column, further comprising that the stabilizing assembly includes two elastic elements, the elastic elements and the abutting pieces are one-to-one corresponding, the elastic elements are sleeved on the corresponding abutting pieces, one end of the elastic element is in contact with the limiting part, and the other end is in contact with the connecting column.

[0009] In order to solve the problem of inconvenience of the limiting part entering the frame, further comprising that the head end of the limiting part is inwardly deflected to form a leading-in part.

[0010] The beneficial effects of the utility model are that: the utility model provides a corner code connecting piece for a photovoltaic module frame, through the offset arrangement of the limiting part, the elastic deformation of the corner code body itself is utilized, so that the interval between the outer sides between the two limiting parts is reduced after the corner code enters the frame, thereby the limiting part is abutted against the frame by the elasticity of the corner code itself, the contact force between the clamping teeth and the frame can be increased, and the connection strength between the corner code and the frame is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model is further described below in combination with the drawings and embodiments.

[0012] Figure 1 is the structural schematic diagram of the utility model;

[0013] Figure 2 is the enlarged structural schematic diagram of A in the utility model Figure 1

[0014] Figure 3 is the structural schematic diagram of the utility model.

[0015] In the figure: 1, connecting part, 2, limiting part, 21, clamping tooth, 22, leading-in part, 3, stabilizing assembly, 31, connecting column, 311, internal threaded hole, 32, connecting rod, 33, abutting piece, 34, elastic element. DETAILED DESCRIPTION

[0016] The utility model is further described below in combination with the drawings and embodiments.

[0017] As Figure 1 ​It is the structural schematic view of the utility model, a kind of corner brace connecting piece for photovoltaic module frame, including corner brace body, corner brace body includes two mutually perpendicular connecting parts 1, the tail end of two connecting parts 1 is fixedly connected, the left and right sides of the head of connecting part 1 are all outwardly offset and protrude to form limit part 1, two limit parts 1 are spaced distribution, and the interval between the outside of two limit parts 1 is less than the interval between frame inner wall, limit part 1 is used to contact with the frame inner wall of photovoltaic module, and the end face on the frame inner wall of photovoltaic module close to the side where limit part 1 is located is provided with click 21, by the offset arrangement of limit part 1, the interval between the outside between two limit parts is reduced after corner brace enters frame, so as to make limit part resist frame by the elasticity of corner brace itself, the contact force of click 21 and frame can be increased, so as to improve the connecting strength between corner brace and frame, the tooth height of click 21 is 0.5-1mm, the pitch is 2-3mm, and the frame inner wall (Ra≤1.6 μm) is formed mechanical self-locking by occlusion.

[0018] As Figure 2 、 3 shown, two limit parts 1 are arranged with stabilizing assembly 3, and stabilizing assembly 3 includes connecting column 31 and connecting rod 32, connecting column 31 has internal thread hole 311 for bolt thread connection, one end of connecting rod 32 is fixedly connected with connecting column 31, and the other end is fixedly connected with connecting part 1, by the design of connecting column 31 and connecting rod 32, corner brace body and frame can be fixed by bolt, and the connecting strength is enhanced.

[0019] As Figure 2 、 3 shown, stabilizing assembly 3 includes two abutting members 33, and abutting member 33 and limit part 1 one-to-one correspondence, the tail end of abutting member 33 contacts with the limit part 1 on the side where it is located, and the head of abutting member 33 passes through connecting column 31 and extends into internal thread hole 311 of connecting column 31, abutting member 33 is rod structure, after abutting member 33 is fixedly connected with frame by bolt after corner brace, abutting member 33 can force limit part 2 to tightly adhere to frame inner wall, so as to enhance the occlusion degree of click 21 and frame.

[0020] As Figure 2 、 3 shown, the head of abutting member 33 protrudes from the inner wall of internal thread hole 311 of connecting column 31 by 1-2mm.

[0021] Stabilizing assembly 3 includes two elastic elements 34, and elastic element 34 and abutting member 33 one-to-one correspondence, elastic element 34 is sleeved on the corresponding abutting member 33, one end of elastic element 34 contacts with limit part 1, and the other end contacts with connecting column 31, elastic element 34 is spring, and elastic element 34 absorbs endogenous vibration, and increases wind resistance.

[0022] AsFigure 2 、 3 As shown in the drawings, the first end of the limiting part 1 is inwardly folded to form a guide-in part 22, which can provide a guiding effect for the installation of the corner code body, and the preferred inclination angle of the guide-in part 22 is 30°, guiding the sliding of the frame.

[0023] Working principle:

[0024] The corner code is installed at the end of the frame, the guide-in part 22 guides the sliding of the adjacent frame, and the teeth 21 engage the inner wall.

[0025] The bolt is screwed into the internal thread hole 311 of the connecting column 31, and in the process of the bolt entering the thread hole 311, the bolt forces the abutting piece 33 to move to the limiting part 21 on the side where it is located, so that the end of the abutting piece 33 tightly abuts against the limiting part 21, significantly improving the wind pressure resistance and sealing durability of the connected frame and corner code.

[0026] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A corner-clip connector for a frame of a photovoltaic module, characterized by, The utility model provides a corner code body, the corner code body includes two mutually perpendicular connecting parts (1), the tail end of two connecting parts (1) is fixedly connected, the first end of connecting part (1) is outwardly offset and projects to form a limiting portion (1) on both sides, two limiting portions (1) are spacedly distributed, and the interval between the outer side of two limiting portions (1) is less than the interval between the inner wall of frame, the limiting portion (1) is used for contacting the inner wall of frame of photovoltaic module, and the end face on the limiting portion (1) close to the inner wall of frame of photovoltaic module on its side is provided with a tooth (21).

2. A corner connector for use in a frame for a photovoltaic module as defined in claim 1, wherein: Two limiting portions (1) are arranged with stabilizing assembly (3), and the stabilizing assembly (3) includes connecting column (31) and connecting rod (32), the connecting column (31) has internal thread hole (311) for bolt thread connection, one end of connecting rod (32) is fixedly connected with connecting column (31), and the other end is fixedly connected with connecting part (1).

3. A corner connector for use with a frame for a photovoltaic module as defined in claim 2, wherein: The stabilizing assembly (3) includes two abutting pieces (33), the abutting piece (33) and limiting portion (1) one to one, the tail end of abutting piece (33) and the limiting portion (1) on its side contact, and the first end of abutting piece (33) passes through connecting column (31) and extends into the internal thread hole (311) of connecting column (31).

4. A corner connector for use with a frame for a photovoltaic module as defined in claim 3, wherein: The first end of abutting piece (33) projects 1-2mm from the inner wall of internal thread hole (311) of connecting column (31).

5. A corner connector for use with a frame for a photovoltaic module as defined in claim 3, wherein: The stabilizing assembly (3) includes two elastic elements (34), the elastic element (34) and abutting piece (33) one to one, the elastic element (34) is sleeved on the corresponding abutting piece (33), one end of elastic element (34) and limiting portion (1) contact, and the other end and connecting column (31) contact.

6. A corner connector for use with a frame for a photovoltaic module as defined in claim 1, wherein: The first end of limiting portion (1) is inwardly deflected to form a lead-in portion (22).

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