Aluminum alloy photovoltaic wire MC4 connector assembly

Abstract

The utility model discloses an aluminum alloy photovoltaic wire MC connector assembly, which belongs to the field of aluminum alloy photovoltaic wire connection and comprises a connecting assembly, the connecting assembly comprises a first connector and a second connector, one ends, far away from each other, of the first connector and the second connector are in threaded connection with nuts, two sides of the first connector are provided with plugging grooves, and the plugging grooves are in threaded connection with the nuts. The connector assembly comprises a first connector and a second connector, two sides of the second connector are fixedly connected with plugging blocks, the first connector is internally provided with a first mounting hole, and the inner wall of the first mounting hole is provided with a first limiting hole. And meanwhile, through mutual cooperation of the structures, the overall structure of the connector assembly can be conveniently disassembled according to needs, and thus the disassembly convenience of the connector assembly can be improved.

Description

Technical Field

[0001] The utility model relates to the field of aluminum alloy photovoltaic electric wire connection, in particular to an aluminum alloy photovoltaic electric wire MC4 connector component. Background Art

[0002] Aluminum alloy photovoltaic wire is a new type of wire and cable product, made of aluminum alloy as the main material. Compared with ordinary cables, aluminum alloy cables have significant advantages in conductivity and service life. In photovoltaic power stations, aluminum alloy cables can be widely used. In order to facilitate the connection of photovoltaic wires, MC4 connector assemblies are required. Among them, the "Aluminum Alloy Photovoltaic Wire MC4 Connector Assembly" disclosed in the application number "CN202120448113.3" is also an increasingly mature technology. It "is connected through the copper-aluminum transition pin and the copper connecting sleeve containing the crown spring without changing the structural type and size of the MC4 connector. The MC4 connector of the aluminum alloy photovoltaic line can be directly installed, and it can be compatible with the MC4 connector of the traditional copper core photovoltaic line. However, the connector assembly still has the following defects during use: the connector assembly is indeed convenient for connecting photovoltaic wires through the transition pins and copper connecting sleeves, but the above connector structure is relatively simple, so the connection strength of the wires needs to be improved. Based on this, it is necessary to provide a connector assembly that can facilitate enhancing the connection strength between photovoltaic wires. In addition, the overall structure of the connector assembly is inconvenient to disassemble. Based on this, it is necessary to provide a connector that is easy to disassemble and use. Utility Model Content

[0003] The embodiment of the utility model provides an aluminum alloy photovoltaic wire MC4 connector assembly, which aims to solve the problem that the existing connector assembly has weak connection strength and is not easy to disassemble.

[0004] To achieve the above-mentioned purpose, the utility model provides an aluminum alloy photovoltaic wire MC connector assembly, including a connection assembly;

[0005] In which, the connecting assembly includes a first connecting head and a second connecting head, the ends of the first connecting head and the second connecting head that are away from each other are threadedly connected with nuts, both sides of the first connecting head are provided with plug-in grooves, and both sides of the second connecting head are fixedly connected with plug-in blocks, the first connecting head has a first mounting hole inside, the inner wall of the first mounting hole has a first limiting hole, the first mounting hole has a first inner core inserted into the inside, the side surface of the first inner core is fixedly connected with the first limiting block, the first limiting block is clamped in the inside of the first limiting hole, the second connecting head is fixedly connected with a mounting strip at one end close to the first connecting head, the second connecting head and the mounting strip have a second mounting hole inside, the inner wall of the second mounting hole has a second limiting hole, the second mounting hole has a second inner core inserted into the inside, the side surface of the second inner core is fixedly connected with the second limiting block, and the second limiting block is clamped in the inside of the second limiting hole.

[0006] As a preferred solution of the utility model, the first connecting head and the second connecting head are respectively fixedly connected with the first bolt and the second bolt at one end away from each other, the two nuts are respectively threadedly connected with the first bolt and the second bolt, and a through hole is opened at one end of the nut.

[0007] As a preferred solution of the utility model, one end of the installation strip is fixedly connected with a clamping head, the clamping head is connected to a second connecting head, and a side surface of the clamping head is fixedly connected with a plurality of convex ridges.

[0008] As a preferred solution of the utility model, a slot is provided at one end of the first connector away from the nut, a plurality of grooves are provided on the inner wall of the slot, the clip is inserted into the slot, and a plurality of ridges are clipped into the grooves.

[0009] As a preferred solution of the utility model, a mounting groove is provided inside the first connector, both ends of the mounting groove are respectively connected to the first mounting hole and the card slot, and the mounting bar is plugged into the mounting groove.

[0010] As a preferred solution of the present invention, the side surfaces of the first inner core and the second inner core are both provided with open grooves.

[0011] As a preferred solution of the utility model, the convex ribs are made of rubber, and the first inner core and the second inner core are both made of tin-plated copper.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When fixing the two connecting wires, first, the two connecting wires are respectively inserted into the first inner core and the second inner core through the through holes of the nut, and at the same time, the first inner core and the second inner core are squeezed and fixed to the wires from the open groove by using diagonal pliers, and then the first inner core and the second inner core are respectively inserted into the first mounting hole and the second mounting hole of the first connector and the second connector, and at the same time, the first limiting block and the second limiting block are respectively clamped in the first limiting hole and the second limiting hole, and at the same time, the first inner core is inserted into the second inner core so that the two connecting wires contact each other. At this time, the mounting strip is inserted into the mounting groove, the convex ridge is clamped in the groove, and the plug-in block is inserted in the plug-in groove, so that the first connector and the second connector can be connected. Compared with the connector assembly in the prior art "an aluminum alloy photovoltaic wire MC4 connector assembly", the utility model can significantly enhance the connection strength of the photovoltaic wire through the cooperation of the above-mentioned structures, thereby enhancing the practicality of the connector assembly;

[0014] When disassembling the connector assembly, first remove the nut from the side surfaces of the first bolt and the second bolt, then pull the plug-in block out of the plug-in slot, so that the first connector and the second connector can be disassembled, then pull the first inner core out of the second inner core, and finally take the first inner core and the second inner core out of the first mounting hole and the second mounting hole, so that the overall structure of the connector assembly can be disassembled, thereby improving the convenience of disassembly of the connector assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a disassembled diagram of the overall structure of the connection assembly of the utility model;

[0017] Figure 3 This is a disassembled diagram of the first connector structure of the utility model;

[0018] Figure 4 This is a disassembled diagram of the second connector structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the first connector of the utility model;

[0020] Figure 6 This is a cross-sectional view of the first connector structure of the utility model;

[0021] Figure 7 This is a cross-sectional view of the second connector structure of the utility model;

[0022] Figure 8 This is a schematic diagram of the first inner core structure of the utility model

[0023] Fig. 9This is a schematic diagram of the second inner core structure of the utility model.

[0024] In the figure: 100, connecting assembly; 101, first connecting head; 102, second connecting head; 103, nut; 104, plug-in slot; 105, plug-in block; 106, first mounting hole; 107, first limiting hole; 108, first inner core; 109, first limiting block; 110, mounting strip; 120, second mounting hole; 130, second limiting hole; 140, second inner core; 150, second limiting block; 111, first bolt; 112, second bolt; 113, through hole; 121, clamping head; 122, convex ridge; 131, clamping slot; 132, groove; 141, mounting slot; 151, open slot. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 9 , the utility model provides an aluminum alloy photovoltaic wire MC4 connector assembly, including;

[0027] The connection assembly 100 includes a first connector 101 and a second connector 102. The ends of the first connector 101 and the second connector 102 that are away from each other are both threadedly connected with nuts 103. Both sides of the first connector 101 are provided with plug-in slots 104. Both sides of the second connector 102 are fixedly connected with plug-in blocks 105. The first connector 101 is provided with a first mounting hole 106. The inner wall of the first mounting hole 106 is provided with a first limiting hole 107. The first mounting hole 106 is provided with a first inner core 108. The side surface of the first inner core 108 is fixedly connected to the first mounting hole 106. A first limiting block 109 is fixedly connected, and the first limiting block 109 is clamped in the inside of the first limiting hole 107. The second connecting head 102 is fixedly connected to the mounting strip 110 at one end close to the first connecting head 101. Second mounting holes 120 are provided in the inside of the second connecting head 102 and the mounting strip 110. A second limiting hole 130 is provided in the inner wall of the second mounting hole 120. A second inner core 140 is inserted in the inside of the second mounting hole 120. The side surface of the second inner core 140 is fixedly connected to the second limiting block 150, and the second limiting block 150 is clamped in the inside of the second limiting hole 130.

[0028] In a specific embodiment, the connection assembly 100 provided can not only enhance the connection strength between the two photovoltaic wires, thereby enhancing the practicality of the connector assembly, but also facilitate the disassembly of the overall structure of the connector assembly as needed through the cooperation of the above-mentioned structures, thereby improving the convenience of disassembly of the connector assembly. When in use, firstly, the two photovoltaic wires are respectively inserted into the first inner core 108 and the second inner core 140 from the through holes 113 on the surfaces of the nuts 103 at one end of the first connector 101 and the second connector 102, and then the first inner core 108 and the second inner core 140 are pinched from the opening groove 151 by diagonal pliers to fix the two photovoltaic wires, and then the first inner core 108 and the second inner core 140 are inserted into the first mounting hole 106 and the second mounting hole 120. An inner core 108 is inserted into the second inner core 140, so that the photovoltaic wires can be preliminarily connected and the connection strength can be enhanced. At the same time, the clamp head 121 is clamped in the clamping groove 131, and the convex rib 122 is clamped in the groove 132, so that the connection strength can be further enhanced. Finally, only the plug-in block 105 needs to be plugged into the plug-in groove 104 to connect the first connector 101 and the second connector 102, and the connection strength is further enhanced. Therefore, the practicality of the connector assembly can be enhanced. When disassembling, only the plug-in block 105 needs to be removed from the plug-in groove 104, the first inner core 108 is pulled out from the second inner core 140, and finally the first inner core 108 and the second inner core 140 are removed from the first mounting hole 106 and the second mounting hole 120 to disassemble the connector assembly, thereby improving the convenience of use of the connector assembly.

[0029] See also Figure 2-Figure 9 The first connecting head 101 and the second connecting head 102 are fixedly connected with the first bolt 111 and the second bolt 112 at the ends away from each other, and the two nuts 103 are threadedly connected with the first bolt 111 and the second bolt 112 respectively, and a through hole 113 is opened at one end of the nut 103.

[0030] In a specific embodiment, the threaded connection between the nut 103 and the first bolt 111 and the second bolt 112 can enhance the connection strength between the two photovoltaic wires and the first connector 101 and the second connector 102 .

[0031] See also Figure 2-Figure 9 One end of the mounting strip 110 is fixedly connected with a clamping head 121 , the clamping head 121 is connected to the second connecting head 102 , and a plurality of convex ridges 122 are fixedly connected to the side surface of the clamping head 121 .

[0032] In a specific embodiment, the clamping head 121 and the second connecting head 102 are connected and matched with the convex ribs 122 to facilitate the connection between the first connecting head 101 and the second connecting head 102 .

[0033] See also Figure 2-Figure 9 A slot 131 is formed at one end of the first connector 101 away from the nut 103 , and a plurality of grooves 132 are formed on the inner wall of the slot 131 . The clamping head 121 is inserted into the slot 131 , and the plurality of convex ridges 122 are clamped into the grooves 132 .

[0034] In a specific embodiment, the clamping head 121 is clamped in the clamping slot 131, and the convex rib 122 is clamped in the groove 132 to further enhance the connection strength between the first connector 101 and the second connector 102. At the same time, the first connector 101 and the second connector 102 can be disassembled by removing the clamping head 121 from the clamping slot 131.

[0035] See also Figure 2-Figure 9 A mounting groove 141 is provided inside the first connector 101 , both ends of the mounting groove 141 are respectively connected to the first mounting hole 106 and the card slot 131 , and the mounting bar 110 is inserted into the mounting groove 141 .

[0036] In a specific embodiment, the mounting groove 141 is used to limit the mounting bar 110 so as to prevent the first connector 101 and the second connector 102 from rotating relative to each other, thereby improving the limiting strength between the first connector 101 and the second connector 102 .

[0037] See also Figure 2-Figure 9 The side surfaces of the first inner core 108 and the second inner core 140 are both provided with an opening groove 151 .

[0038] In a specific embodiment, when the diagonal pliers pinch the first inner core 108 and the second inner core 140, the first inner core 108 and the second inner core 140 contact each other at the opening groove 151, thereby enhancing the connection strength between the first inner core 108 and the second inner core 140 and the photovoltaic wires.

[0039] See also Figure 2-Figure 9 The convex ribs 122 are made of rubber, and the first inner core 108 and the second inner core 140 are both made of tin-plated copper.

[0040] In a specific embodiment, the rubber ribs 122 can enhance the connection sealing between the first connector 101 and the second connector 102, and the first inner core 108 and the second inner core 140 made of copper tin can improve the power-on effect, thereby further enhancing the practicality of the connector assembly.

[0041] Working principle: When in use, first insert the two photovoltaic wires into the first inner core 108 and the second inner core 140 from the through holes 113 on the surfaces of the nuts 103 at one end of the first connector 101 and the second connector 102, then pinch the first inner core 108 and the second inner core 140 from the opening groove 151 with diagonal pliers, so as to fix the two photovoltaic wires, then insert the first inner core 108 and the second inner core 140 into the first mounting hole 106 and the second mounting hole 120, insert the first inner core 108 into the second inner core 140, so as to preliminarily connect the photovoltaic wires and enhance the connection strength, then clamp the clamp head 121 into the clamping groove 131 and control the convex rib 122 to clamp into the groove 132, so as to further enhance the connection strength, finally insert the plug-in block 105 into the plug-in groove 104, so as to connect the first connector 101 and the second connector 102, further enhance the connection strength, and thus enhance the practicality of the connector assembly.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although 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. An aluminum alloy photovoltaic wire MC4 connector assembly, characterized in that: include: A connection assembly (100), the connection assembly (100) comprising a first connection head (101) and a second connection head (102), the ends of the first connection head (101) and the second connection head (102) being far from each other are both threadedly connected with nuts (103), both sides of the first connection head (101) are provided with plug-in slots (104), both sides of the second connection head (102) are fixedly connected with plug-in blocks (105), the first connection head (101) is provided with a first mounting hole (106) inside, the inner wall of the first mounting hole (106) is provided with a first limiting hole (107), the first mounting hole (106) is plugged with a first inner core (108), the first inner core (108) is provided with a first stop hole (107), and the first inner core (108) is provided with a first stop hole (107). A first limiting block (109) is fixedly connected to the side surface, the first limiting block (109) is clamped inside the first limiting hole (107), one end of the second connector (102) close to the first connector (101) is fixedly connected to a mounting bar (110), the second connector (102) and the mounting bar (110) are both provided with a second mounting hole (120), the inner wall of the second mounting hole (120) is provided with a second limiting hole (130), the second inner core (140) is inserted into the second mounting hole (120), the side surface of the second inner core (140) is fixedly connected to a second limiting block (150), the second limiting block (150) is clamped inside the second limiting hole (130).

2. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 1, characterized in that: The first connecting head (101) and the second connecting head (102) are respectively fixedly connected with a first bolt (111) and a second bolt (112) at their ends that are away from each other, and the two nuts (103) are respectively threadedly connected to the first bolt (111) and the second bolt (112), and a through hole (113) is formed at one end of the nut (103).

3. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 1, characterized in that: One end of the installation strip (110) is fixedly connected to a clamping head (121), the clamping head (121) is connected to the second connecting head (102), and a plurality of convex ridges (122) are fixedly connected to the side surface of the clamping head (121).

4. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 3, characterized in that: A slot (131) is formed at one end of the first connector (101) away from the nut (103); a plurality of grooves (132) are formed on the inner wall of the slot (131); the slot (121) is inserted into the slot (131); and the plurality of ridges (122) are all clamped into the grooves (132).

5. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 1, characterized in that: The first connector (101) is provided with a mounting groove (141) inside, and both ends of the mounting groove (141) are respectively connected to the first mounting hole (106) and the clamping groove (131), and the mounting bar (110) is plugged into the inside of the mounting groove (141).

6. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 1, characterized in that: The side surfaces of the first inner core (108) and the second inner core (140) are both provided with open grooves (151).

7. The aluminum alloy photovoltaic wire MC4 connector assembly according to claim 3, characterized in that: The convex ridges (122) are made of rubber, and the first inner core (108) and the second inner core (140) are both made of tin-plated copper.

Images