Photovoltaic connection terminal retaining ring

Abstract

The utility model relates to the technical field of retaining rings, in particular to a photovoltaic connecting terminal retaining ring which comprises arc-shaped sleeves, the arc-shaped sleeves are fixedly connected through elastic sheets, the top ends of the arc-shaped sleeves are fixedly welded with a guide cover, punched holes are formed in the inner sides of the arc-shaped sleeves, and one ends of the punched holes are fixedly connected with inclined sheets integrally formed with the arc-shaped sleeves. An anti-slip ring groove is formed in the outer side of the arc-shaped sleeve; a riveting column is fixedly connected to one end, away from the guide cover, of the arc-shaped sleeve; the rivet column comprises a deformable elastic fixing plate, one end of the middle of the deformable elastic fixing plate is fixedly connected with a central column, the stability and the convenience of integrally installing the retaining ring in the connecting terminal can be improved, and meanwhile, the retaining ring can be prevented from having a gap through the arranged elastic sheet, so that the service life of the retaining ring is prolonged, and the service life of the retaining ring is prolonged. The problem that the photovoltaic cable is hooked together in the transportation process is solved, and the top end of the photovoltaic cable can be opened through the arranged riveting column, so that the stability of the connection between the photovoltaic cable and the retaining ring can be further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of retaining rings, in particular to a retaining ring for a photovoltaic connection terminal. Background Art

[0002] The photovoltaic connection terminal stop ring is a component used to prevent the photovoltaic cable from loosening. It is usually made of plastic or rubber and installed in the stop groove of the connection terminal. The stop ring is fixed in the connection terminal through elasticity or friction to prevent it from loosening under vibration or impact;

[0003] The PV connection terminal retaining ring plays an important role in the safety and reliability of the PV system. If the retaining ring fails, the PV cable connected inside the connection terminal may become loose, causing accidents such as arcing and fire.

[0004] If a groove is provided at the edge of the stop ring, the stop rings are easily hooked together through the grooves during transportation. When used later, the hooked stop rings need to be separated before use, which is rather troublesome. In addition, the stability of the photovoltaic cable installed inside the stop ring is generally poor. Therefore, a photovoltaic connection terminal stop ring is proposed to address the above problem. Utility Model Content

[0005] The utility model aims to provide a photovoltaic connection terminal stop ring to solve the problem that if a groove is provided at the edge of the stop ring, the stop rings are easily hooked together through the grooves during transportation. When used later, the stop rings that are hooked together need to be separated before they can be used, which is quite troublesome.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A photovoltaic connection terminal stop ring comprises an arc sleeve, wherein the arc sleeves are fixedly connected by elastic sheets, the top end of the arc sleeve is welded and fixed to a guide cover, a punching hole is provided on the inner side of the arc sleeve, one end of the punching hole is fixedly connected to an inclined sheet integrally formed with the arc sleeve, an anti-slip ring groove is provided on the outer side of the arc sleeve, and a rivet column is fixedly connected to one end of the arc sleeve away from the guide cover; the rivet column comprises a deformable elastic fixing plate, the middle end of the deformable elastic fixing plate is fixedly connected to a center column, and the outer edge of the center column is provided with annular grooves equidistantly distributed.

[0008] As a further optimization of the present invention, two arc-shaped sleeves are provided, the cross-section of the arc-shaped sleeves is semicircular, a spacing groove is formed between the arc-shaped sleeves, and the elastic sheet is welded and fixed to the inner side of the spacing groove.

[0009] As a further optimization of the present invention, the edge of one end of the guide cover away from the arc sleeve is arranged in an arc shape, and the vertical section of the guide cover is a trapezoid.

[0010] As a further optimization of the present invention, there are a plurality of punching holes and a plurality of inclined plates, the punching holes and the inclined plates correspond one to one, and the angle formed by the vertical center line of the punching holes and the inclined plates is 15°.

[0011] As a further optimization of the present invention, there are several elastic sheets, each of which is V-shaped, and the sharp ends of the elastic sheets face the center positions of the two arc-shaped sleeves.

[0012] As a further optimization of the present invention, the central column is arranged between the arc sleeves, and the angle formed between the central column and the deformable elastic fixing plate is 90°.

[0013] As a further optimization of the present invention, there are a plurality of anti-slip ring grooves, and the anti-slip ring grooves are arranged at equal distances.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the elastic sheet and anti-slip ring groove are provided, so that the stability and convenience of the anti-recognition ring as a whole installed inside the connecting terminal can be improved. At the same time, the elastic sheet can prevent the anti-recognition ring from having gaps and the problem of hooking together during transportation. Moreover, the rivet column can prop up the top of the photovoltaic cable, thereby further improving the stability of the connection between the photovoltaic cable and the anti-recognition ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the overall bottom view of the utility model;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at A in the middle;

[0019] Figure 4 This is a schematic diagram of the rivet column structure of the utility model.

[0020] In the figure: 1, arc sleeve; 2, guide cover; 3, punching hole; 4, inclined sheet; 5, spacing groove; 6, elastic sheet;

[0021] 7. Rivet column; 71. Deformable elastic fixing plate; 72. Center column; 73. Groove;

[0022] 8. Anti-slip ring groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] See also Figure 1-4 , the utility model provides a technical solution:

[0026] The arc sleeves 1 are fixedly connected by elastic sheets 6, the top of the arc sleeve 1 is welded and fixed to the guide cover 2, a punching hole 3 is provided on the inner side of the arc sleeve 1, one end of the punching hole 3 is fixedly connected to an inclined sheet 4 integrally formed with the arc sleeve 1, an anti-slip ring groove 8 is provided on the outer side of the arc sleeve 1, and a rivet column 7 is fixedly connected to the end of the arc sleeve 1 away from the guide cover 2; the rivet column 7 includes a deformable elastic fixing plate 71, a center column 72 is fixedly connected to the middle end of the deformable elastic fixing plate 71, and an outer edge of the center column 72 is provided with annular grooves 73 equidistantly distributed.

[0027] As a further implementation of the present invention, two arc sleeves 1 are provided, the cross section of the arc sleeves 1 is semicircular, and a spacing groove 5 is formed between the arc sleeves 1. The elastic sheet 6 is welded and fixed inside the spacing groove 5, so that the elastic sheet 6 can be stably installed, effectively preventing interference between the stop ring and the connection terminal during connection;

[0028] As a further implementation of this solution, the edge of the guide cover 2 away from the arc sleeve 1 is set in an arc shape, and the vertical section of the guide cover 2 is a trapezoid, which is convenient for inserting the photovoltaic cable into the stop ring for installation;

[0029] As a further implementation of this scheme, a plurality of punching holes 3 and inclined plates 4 are provided, and the punching holes 3 and the inclined plates 4 correspond to each other one by one, and the angle formed by the vertical center line of the punching holes 3 and the inclined plates 4 is 15°. The inclined inclined plates 4 can effectively prevent the photovoltaic cable from slipping out of the stop ring;

[0030] As a further implementation of this solution, a plurality of elastic sheets 6 are provided, and the elastic sheets 6 are V-shaped, and the sharp ends of the elastic sheets 6 face the center positions of the two arc-shaped sleeves 1, which further improves the stability of the overall structure during use;

[0031] As a further implementation of the present invention, the central column 72 is arranged between the arc-shaped sleeves 1, and the angle formed between the central column 72 and the deformable elastic fixing plate 71 is 90°, which further improves the stability of the internal structure of the rivet column 7;

[0032] As a further implementation of the present invention, a plurality of anti-slip ring grooves 8 are provided, and the anti-slip ring grooves 8 are arranged at equal intervals. Through the above arrangement, the problem of slipping can be prevented at the connection between the anti-retraction ring as a whole and the connecting terminal.

[0033] Working process: When the photovoltaic cable is installed inside the connection terminal, the anti-retraction ring is first connected to the connection terminal. During the connection process, the elastic sheet 6 is squeezed to prevent slipping between the connection terminal and the anti-slip ring groove 8, which can improve the stability and convenience of the anti-retraction ring installed inside the connection terminal. At the same time, the elastic sheet 6 can prevent the gap at the edge of the anti-retraction ring from being hooked together during transportation.

[0034] When installing the photovoltaic cable in the anti-recognition ring set inside the connecting terminal, the staff inserts the photovoltaic cable into the position between the arc sleeves 1 through the guide cover 2. During this process, the guide cover 2 is set to facilitate the insertion of the photovoltaic cable. After the insertion is completed, the inclined inclined piece 4 can effectively prevent the photovoltaic cable from slipping out of the anti-recognition ring. At the same time, the top end of the photovoltaic cable is connected to the rivet column 7, which can prop up the top end of the photovoltaic cable, thereby further improving the stability of the connection between the photovoltaic cable and the anti-recognition ring.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic connection terminal stop ring, comprising an arc-shaped sleeve (1), characterized in that: The arc sleeves (1) are fixedly connected by elastic sheets (6), the top end of the arc sleeve (1) is fixedly welded to the guide cover (2), a punching hole (3) is provided on the inner side of the arc sleeve (1), one end of the punching hole (3) is fixedly connected to an inclined sheet (4) integrally formed with the arc sleeve (1), an anti-slip ring groove (8) is provided on the outer side of the arc sleeve (1), and a rivet column (7) is fixedly connected to the end of the arc sleeve (1) away from the guide cover (2); The rivet column (7) comprises a deformable elastic fixing plate (71), a central column (72) is fixedly connected to one middle end of the deformable elastic fixing plate (71), and an outer edge of the central column (72) is provided with annular grooves (73) distributed at equal intervals.

2. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: Two arc-shaped sleeves (1) are provided, the cross section of the arc-shaped sleeves (1) is semicircular, a spacing groove (5) is formed between the arc-shaped sleeves (1), and the elastic sheet (6) is welded and fixed on the inner side of the spacing groove (5).

3. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: The edge of one end of the guide cover (2) away from the arc-shaped sleeve (1) is arranged in an arc shape, and the vertical cross-section of the guide cover (2) is a trapezoid.

4. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: A plurality of the punching holes (3) and the inclined plates (4) are provided, the punching holes (3) and the inclined plates (4) correspond to each other one by one, and the angle formed by the vertical center line of the punching holes (3) and the inclined plates (4) is 15°.

5. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: A plurality of elastic sheets (6) are provided, and the elastic sheets (6) are V-shaped, with sharp ends of the elastic sheets (6) facing the center positions of the two arc-shaped sleeves (1).

6. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: The central column (72) is arranged between the arc-shaped sleeves (1), and the angle formed between the central column (72) and the deformable elastic fixing plate (71) is 90°.

7. A photovoltaic connection terminal stop ring according to claim 1, characterized in that: A plurality of anti-slip ring grooves (8) are provided, and the anti-slip ring grooves (8) are arranged at equal distances.

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