Socket structure capable of rotating by 360 degrees and photovoltaic connector

Abstract

The utility model discloses a socket structure capable of rotating 360 degrees and a photovoltaic connector, and relates to the technical field of electrical equipment, and the system comprises a rear pedestal which is used for being installed on an installation panel of photovoltaic equipment; the front base is assembled at the free end of the rear base in a sleeving manner, and the free end of the front base is provided with a socket male end or a socket female end matched with a plug of the photovoltaic connector; the rotating assembly is arranged between the opposite side walls of the front base and the rear base, and the front base and the rear base are rotationally connected through the rotating assembly; and the metal piece is connected in the rear base and the front base in a penetrating manner, and communication connection is established between the photovoltaic connector and the photovoltaic equipment through the metal piece. The photovoltaic connector has the advantages that a customer can conveniently connect the photovoltaic connector to photovoltaic equipment at any angle, the application range is wide, and the use experience of the customer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, and in particular to a socket structure and a photovoltaic connector capable of rotating 360 degrees. Background Art

[0002] Photovoltaic connectors are key parts that connect photovoltaic panels, combiner boxes, controllers, inverters and other components in photovoltaic power generation systems.

[0003] After the existing photovoltaic connector is matched with the photovoltaic equipment, the wiring direction is fixed, resulting in the plug of the photovoltaic connector only being at a specific angle when the customer completes the on-site assembly.

[0004] When the use scenario of photovoltaic related equipment is energy storage stacking scenario, the customer's wiring direction is not fixed. If the existing wiring method is continued, the cable of the photovoltaic connector will be bent and stressed, thereby exerting force on the photovoltaic connector, affecting the reliability of the communication connection between the photovoltaic connector and the photovoltaic equipment. In particular, when the cable size of the photovoltaic connector is thick or the stacking distance is far, it may be impossible to connect, the scope of use is limited, and the customer experience is affected. Utility Model Content

[0005] The utility model provides a socket structure and a photovoltaic connector that can rotate 360 ​​degrees, so as to facilitate customers to connect the photovoltaic connector to photovoltaic equipment at any angle, has a wide range of applications, and enhances customer experience.

[0006] In a first aspect, the present application discloses a socket structure capable of rotating 360°, comprising:

[0007] A rear base for mounting a mounting panel on a photovoltaic device;

[0008] The front base is sleeved and assembled on the free end of the rear base, and the free end of the front base is provided with a male socket end or a female socket end for matching with the plug of the photovoltaic connector;

[0009] A rotating assembly is disposed between opposite side walls of the front base and the rear base, and the front base and the rear base are rotatably connected via the rotating assembly;

[0010] The metal piece is inserted and connected inside the rear base and the front base, and a communication connection is established between the photovoltaic connector and the photovoltaic device through the metal piece.

[0011] Optionally, the rotating assembly includes a rotating ring, and a side wall of the front base away from the photovoltaic connector is provided with a socket groove, and the socket groove is used for inserting the free end side wall of the rear base, and the rotating ring is arranged on the side wall of the front base located in the socket groove, and the side wall of the rear base is provided with a positioning ring groove that cooperates with the rotating ring, and the outer side wall of the rear base is provided with a limit piece for preventing the rotating ring from falling out of the positioning ring groove.

[0012] Optionally, the limiting member includes an elastic clamping ring, the outer side wall of the rear base is provided with a first clamping ring groove, the groove side wall of the sleeve groove is provided with a second clamping ring groove, the second clamping ring groove and the first clamping ring groove are arranged relative to each other, one part of the side wall of the elastic clamping ring is located in the first clamping ring groove, and another part of the side wall of the elastic clamping ring is located in the second clamping ring groove, and the inner ring wall and the outer ring wall of the elastic clamping ring are both tightly attached to the groove walls of the first clamping ring groove and the second clamping ring groove.

[0013] Optionally, the elastic clamp ring is a C-shaped clamp ring.

[0014] Optionally, the C-shaped clamp ring is a superior arc clamp ring.

[0015] Optionally, the C-shaped clamping ring is made of stainless steel.

[0016] Optionally, the side wall of the rotating ring is provided with a driving portion for extending a portion of the side wall of the elastic clamping ring from the first clamping ring groove into the second clamping ring groove.

[0017] Optionally, the driving part includes a second inclined surface, which is arranged on the inner ring wall of the rotating ring. A driving ring is provided on the side wall of the rear base away from the photovoltaic device. The free end side wall of the driving ring abuts against the groove wall opposite to the notch of the sleeve groove. The outer ring wall of the driving ring is provided with a first inclined surface, and the slope of the first inclined surface is smaller than the slope of the second inclined surface.

[0018] Optionally, the longitudinal cross-sectional area of ​​the driving ring decreases from the side close to the rear base to the side away from the rear base, and the longitudinal cross-sectional area of ​​the rotating ring decreases from the side close to the front base to the side away from the front base.

[0019] Optionally, the driving ring is integrally formed with the rear base, and the rotating ring is integrally formed with the front base.

[0020] Optionally, a sealing ring groove is provided on the outer ring wall of the rotating ring, a first sealing ring is provided in the sealing ring groove, and the first sealing ring abuts against the groove wall of the positioning ring groove.

[0021] Optionally, a sealing gasket is provided on the groove wall of the sealing ring groove opposite to its groove opening, and the side wall of the sealing gasket abuts against the free end side wall of the rotating ring.

[0022] Optionally, the male end side wall of the socket of the front base or the male end side wall of the plug of the photovoltaic connector is provided with two opposing clips, and the female end side wall of the plug of the photovoltaic connector or the female end side wall of the socket of the front base is provided with a slot, and the clip is used to be snapped into the slot.

[0023] Optionally, the plug female end of the photovoltaic connector is located on the side wall of the card slot and the socket female end of the front base is located on the side wall of the card slot, both of which are provided with an unlocking sleeve, and the unlocking sleeve is provided with an unlocking groove, the unlocking groove and the card slot are connected to each other, part of the side wall of the buckle passes through the card slot and extends into the unlocking groove, and the unlocking groove is used for inserting a screwdriver or auxiliary equipment.

[0024] In a second aspect, the present application discloses a photovoltaic connector, comprising:

[0025] A panel-end socket is provided on a mounting panel of a photovoltaic device;

[0026] The photovoltaic connector body is connected to the male or female end of the board-end socket;

[0027] Wherein, the board-end socket is a socket structure as disclosed in the first aspect of the present application, and the photovoltaic connector body can be connected at any angle through the board-end socket.

[0028] The utility model provides a socket structure and a photovoltaic connector, which have the following beneficial effects:

[0029] 1. Use C-shaped clamps to fix the front base and the rear base, so that the front base and the rear base can be connected by 360° rotation, which is convenient for customers to connect at any angle and helps to avoid bending and stress of the photovoltaic connector cable, which affects the reliability of the photovoltaic equipment communication connection;

[0030] 2. When the cable size of the photovoltaic connector is relatively thick or the stacking distance is relatively far, by setting the 360° wiring direction, it is convenient for customers to connect at any angle. It has a wide range of uses and helps to avoid the phenomenon that the plug of the photovoltaic connector cannot be connected to the board-end socket of the photovoltaic equipment, thereby improving the customer experience.

[0031] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present utility model, nor are they intended to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0033] Figure 1 This is a schematic cross-sectional structure diagram of the male end of the board-end socket in the embodiment of the present application;

[0034] Figure 2 This is a schematic cross-sectional view of the female end of the board-end socket in the embodiment of the present application;

[0035] Figure 3 This is a schematic diagram of the exploded structure of the male end of the board-end socket in the embodiment of the present application;

[0036] Figure 4 It is a schematic diagram of the exploded structure that reflects the positional relationship between the rear base, the C-shaped clamping ring and the front base in the embodiment of the present application.

[0037] Figure 5 It is a schematic diagram of the exploded structure of the female end of the board-end socket in the embodiment of the present application.

[0038] Figure numerals: 1. rear base; 101. mounting nut; 102. anti-slip seat; 2. front base; 3. metal part; 4. rotating assembly; 41. rotating ring; 42. positioning ring groove; 43. sleeve groove; 44. C-type clamping ring; 45. first clamping ring groove; 46. second clamping ring groove; 5. driving ring; 6. first inclined surface; 7. second inclined surface; 8. first sealing ring; 9. sealing gasket; 10. second sealing ring; 11. buckle; 12. clamping groove; 13. unlocking sleeve; 14. unlocking groove. DETAILED DESCRIPTION

[0039] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0041] This embodiment provides a socket structure that can rotate 360 ​​degrees. Figure 1 and Figure 2 The socket structure is specifically a male board-end socket or a female board-end socket, and the board-end socket is used to be installed on the mounting panel of the photovoltaic device. The female plug or male plug of the photovoltaic connector is used to plug and match with the male board-end socket or the female board-end socket.

[0042] Specifically, the board-end socket structure includes a front base 2, a rear base 1 and a metal member 3. The front base 2 and the rear base 1 are assembled in a sleeve connection manner, and the metal member 3 is used to be installed inside the front base 2 and the rear base 1.

[0043] The inner wall of the rear base 1 is provided with an anti-slip seat 102, which can stop and prevent the metal part 3 from being pulled out of the rear base 1 and the front base 2. When installing the metal part 3, the front end of the metal part 3 is inserted from the rear base 1 into the interior of the front base 2. When the elastic clamping part at the rear end of the metal part 3 is clamped with the elastic arm feature of the anti-slip seat 102, the installation of the metal part 3 is completed.

[0044] The outer wall of the rear base 1 is threaded, and a mounting nut 101 is threadedly connected to the side wall of the rear base 1. The mounting panel of the photovoltaic device is provided with a mounting hole for the side wall of the rear base 1 to pass through, and the rear base 1 can be fixedly mounted on the mounting panel by the mounting nut 101. One end of the metal part 3 located inside the rear base 1 is used to establish a communication connection with the internal circuit of the photovoltaic device.

[0045] The free end side wall of the front base 2 is used to be provided with a male socket end or a female socket end that matches the female plug end or the male plug end of the photovoltaic connector. In this embodiment, after the plug of the photovoltaic connector is plugged and connected to the front base 2, one end of the metal part 3 located inside the front base 2 is used to establish a communication connection with the photovoltaic connector, so that the communication connection between the photovoltaic connector and the photovoltaic device can be achieved through the metal part 3.

[0046] It should be noted that, refer to Figure 1 When the socket structure is a male end of the socket, the front base 2 is plugged into the female end of the photovoltaic connector. An annular groove is provided on the side wall of the front base 2. A second sealing ring 10 is glued on the groove wall of the annular groove. The second sealing ring 10 is used to abut against the side wall of the female end of the photovoltaic connector. The second sealing ring 10 is used to improve the stability of the connection between the male end of the socket and the female end of the photovoltaic connector, thereby helping to enhance the reliability of the photovoltaic connector connected to the photovoltaic equipment.

[0047] Reference Figure 1 and Figure 2 In order to realize the socket connection between the front base 2 and the rear base 1, the front base 2 and the rear base 1 of the male end and the female end of the socket are plugged and matched through the rotating assembly 4. The rotating assembly 4 specifically includes a rotating ring 41, which is arranged on the end wall of the front base 2 away from the photovoltaic connector. The rotating ring 41 is integrally formed with the front base 2, and the side wall of the rear base 1 is provided with a positioning ring groove 42 that is plugged and matched with the rotating ring 41. The end wall of the front base 2 located at the rotating ring 41 is also provided with a sleeve groove 43, and the sleeve groove 43 is used to be sleeved on the free end side wall of the rear base 1. When the front base 2 and the rear base 1 are assembled and connected together, the rotating ring 41 is plugged and connected in the positioning ring groove 42, and the free end side wall of the rear base 1 is plugged in the sleeve groove 43. With the above structure, the rotation connection between the front base 2 and the rear base 1 can be realized.

[0048] In order to improve the reliability of the sleeve assembly between the front base 2 and the rear base 1 , the rotating assembly 4 further includes a limiter, which is arranged on the outer side wall of the rear base 1 and is used to prevent the rotating ring 41 from escaping from the positioning ring groove 42 .

[0049] By adopting the above scheme, by setting the front base 2 and the rear base 1 to be rotatably connected, when the use scenario of the photovoltaic equipment is an energy storage stacking scenario, the photovoltaic connector can be connected to the photovoltaic equipment at any angle, with a wide range of uses and reliable connection, which improves customer experience; and it also helps to avoid the photovoltaic connector being subjected to stress due to cable bending, which causes stress at the connection between the plug of the photovoltaic connector and the board-end socket, thereby affecting the reliability of the communication connection between the photovoltaic connector and the photovoltaic equipment.

[0050] Reference Figure 2 and Figure 3 Specifically, the limiter includes an elastic collar, which is a C-shaped collar 44 made of stainless steel, and the curvature of the C-shaped collar 44 is set to a major arc. A first collar groove 45 is provided on the outer side wall of the rear base 1 and the side away from the photovoltaic device, and a second collar groove 46 is provided on the inner side groove wall of the sleeve groove 43 of the front base 2. The first collar groove 45 and the second collar groove 46 are both used to accommodate the C-shaped collar 44.

[0051] The depth of the first collar groove 45 is greater than the depth of the second collar groove 46, and the depth of the second collar groove 46 is used to accommodate part of the side wall of the C-shaped collar 44. By setting the elastic collar as an elastic C-shaped collar 44, it is convenient to sleeve and install the C-shaped collar 44 in the first collar groove 45 of the rear base 1 before assembly.

[0052] In this embodiment, after the front base 2 and the rear base 1 are assembled, the first collar groove 45 and the second collar groove 46 are arranged opposite to each other. In order to achieve the stability of the rotation connection between the front base 2 and the rear base 1 through the C-shaped collar 44, the side wall of the rotating ring 41 is provided with a driving part for extending part of the side wall of the elastic collar from the first collar groove 45 into the second collar groove 46.

[0053] Reference Figure 2 and Figure 3 The driving part includes a second inclined surface 7, which is arranged on the inner ring of the rotating ring 41. The side wall of the rear base 1 facing away from the photovoltaic device is provided with a driving ring 5, and the driving ring 5 is integrally formed with the rear base 1, and the free end side wall of the driving ring 5 abuts against the groove wall opposite to the notch of the sleeve groove 43. The outer ring wall of the driving ring 5 is provided with a first inclined surface 6. In this embodiment, the first inclined surface 6 and the second inclined surface 7 are both annular inclined surfaces.

[0054] In this embodiment, refer to Figure 2 , Figure 3 and Figure 4 When the central axes of the front base 2 and the rear base 1 are both arranged horizontally, the longitudinal cross-sectional area of ​​the driving ring 5 gradually decreases from the side close to the rear base 1 to the side away from the rear base 1, and the longitudinal cross-sectional area of ​​the rotating ring 41 gradually decreases from the side close to the front base 2 to the side away from the front base 2, and the slope of the first inclined surface 6 is smaller than the slope of the second inclined surface 7.

[0055] During assembly, when the front base 2 is sleeved on the free end of the rear base 1, since the slope of the second inclined surface 7 is greater than the slope of the first inclined surface 6, the inner ring wall of the rotating ring 41 located on the first inclined surface 7 is first sleeved on the driving ring 5; as the rotating ring 41 gradually approaches the bottom wall of the positioning ring groove 42, since the longitudinal cross-sectional area of ​​the rotating ring 41 decreases from the side close to the front base 2 to the side away from the front base 2, the inner ring wall of the rotating ring 41 located on the second inclined surface 7 and the positioning ring groove 42 are The spacing between the groove walls of the first collar groove 45 gradually decreases, and then the rotating ring 41 squeezes the C-shaped collar 44 through the second inclined surface 7, and the C-shaped collar 44 is squeezed and deformed, so that the C-shaped collar 44 is completely squeezed into the first collar groove 45, until the second collar groove 46 is aligned with the first collar groove 45, the C-shaped collar 44 loses the external squeezing force and elastically resets, and then part of the side wall of the C-shaped collar 44 can extend from the first collar groove 45 into the second collar groove 46. At this time, the front base 2 and the rear base 1 are fixed by the C-shaped collar 44, which helps prevent the rotating ring 41 from escaping from the positioning ring groove 42, so that the front base 2 and the rear base 1 can be stably connected in rotation.

[0056] It should be noted that this embodiment adopts the above-mentioned socket connection method and the arc-shaped stainless steel C-shaped clamping ring 44, which has a simple structure and is easy to assemble. It can realize 360° rotation between the front base 2 and the rear base 1, thereby facilitating wiring of the photovoltaic connector at any angle, and has a wide range of uses and is convenient and practical.

[0057] Reference Figure 2 and Figure 4 Since the front base 2 and the rear base 1 are connected in a rotating manner, customers can connect the photovoltaic connector at any angle. In order to further enhance the reliability of the plug-in connection between the photovoltaic connector socket and the socket on the front base 2, in this embodiment, a sealing gasket 9 is glued on the bottom wall of the positioning ring groove 42 opposite to its notch. The sealing gasket 9 is arranged in an annular shape and is used to abut against the side wall of the rotating ring 41 away from the front base 2.

[0058] In addition, a sealing ring groove is provided on the outer ring wall of the rotating ring 41 , and a first sealing ring 8 is provided in the sealing ring groove. The inner ring of the first sealing ring 8 is glued to the groove wall opposite to the groove opening of the sealing ring groove, and the outer ring of the first sealing ring 8 abuts against the groove wall of the positioning ring groove 42 .

[0059] The cooperation of the sealing gasket 9 and the first sealing ring 8 helps to increase the friction of the rotating ring 41 rotating in the positioning ring groove 42, thereby increasing the rotational friction between the front base 2 and the rear base 1, so as to fix the photovoltaic connector wiring to any angle.

[0060] In addition, by gluing the first sealing ring 8 on the groove side wall of the positioning ring groove 42, after the rotating ring 41 is inserted, the outer ring side wall of the first sealing ring 8 is in close contact with the inner ring wall of the positioning ring groove 42, and the sealing gasket 9 is in contact with the free end side wall of the rotating ring 41; the first sealing ring 8 plays a preliminary waterproof sealing effect on the gap between the rotating ring 41 and the positioning ring groove 42, and the sealing gasket 9 plays a secondary waterproof effect. The sealing combination of the first sealing ring 8 and the sealing gasket 9 finally achieves double waterproofing of the gap at the connection between the front base 2 and the rear base 1, which helps to prevent rainwater or air from entering the front base 2 and the rear base 1 through the gap between the positioning ring groove 42 and the fixed ring, reduces the probability of oxidation failure of the metal part 3, and enhances the reliability of the communication connection of the photovoltaic connector.

[0061] Reference Figure 1-Figure 5 In order to further improve the stability of the connection between the photovoltaic connector and the board-end socket, two opposing buckles 11 are provided on the male end of the board-end socket of the front base 2, and two opposing slots 12 are provided on the side wall of the female end of the board-end socket of the front base 2. The side wall of the female end of the plug is provided with a slot 12 corresponding to the buckle 11, and the end wall of the male end of the plug is provided with a buckle 11 corresponding to the slot 12; during installation, the female end of the plug or the male end of the photovoltaic connector is plugged and connected to the male end of the board-end socket or the female end of the board-end socket, and the buckle 11 can be inserted into the slot 12 at the same time, and the buckle 11 and the slot 12 are engaged with each other.

[0062] In this embodiment, the buckle 11 is made of plastic material, and the slot 12 on the board-end socket penetrates the side wall of the board-end socket, and the slot 12 on the plug of the photovoltaic connector penetrates the side wall of the photovoltaic connector. When the buckle 11 is inserted into the slot 12, the buckle 11 undergoes elastic deformation, and part of the side wall of the buckle 11 extends out of the side wall of the board-end socket or the side wall of the plug of the photovoltaic connector, thereby realizing a snap connection between the buckle 11 and the slot 12, so that the photovoltaic connector and the device socket can be stably connected, thereby improving the reliability of the connection between the photovoltaic connector and the device socket.

[0063] In order to facilitate the removal of the buckle 11 from the slot 12, the plug and the device socket of the photovoltaic connector are both provided with an unlocking sleeve 13 on the side walls of the slot 12, and the unlocking sleeve 13 is provided with an unlocking groove 14 which is interconnected with the slot 12. The unlocking groove 14 is for inserting a screwdriver or other auxiliary equipment so as to push the part of the side wall of the buckle 11 extending outside the slot 12 into the slot 12. At this time, the buckle 11 can be taken out of the slot 12; this disassembly and assembly method has a simple structure and is easy to operate.

[0064] In one embodiment, the present application further discloses a photovoltaic connector, which specifically includes:

[0065] A panel-end socket is provided on a mounting panel of a photovoltaic device;

[0066] The photovoltaic connector body is connected to the male or female end of the board-end socket;

[0067] Wherein, the board-end socket is a socket structure as described above.

[0068] The photovoltaic connector in this embodiment can be connected to the photovoltaic equipment at any angle through the board-end socket, so that customers can use energy storage stacking scenarios to arrange photovoltaic equipment on site or meet the use of photovoltaic connectors with thicker cables. It has a wide range of uses and reliable connections, which improves customer experience. It tries to avoid the situation where the photovoltaic connector cannot be connected in scenarios where the cable size is thick or the stacking distance is far.

[0069] In addition, by setting the photovoltaic connector to be connected at any angle, it helps to avoid bending of the cable of the photovoltaic connector, which causes stress on the connection between the plug of the photovoltaic connector and the socket on the board end, thereby affecting the reliability of the communication connection between the photovoltaic connector and the photovoltaic device. Note that the above is only a preferred embodiment of the utility model and the technical principle used.

[0070] Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A socket structure capable of rotating 360°, characterized in that: include: A rear base (1) for mounting on a mounting panel of a photovoltaic device; The front base (2) is sleeve-assembled on the free end of the rear base (1), and the free end of the front base (2) is provided with a male socket end or a female socket end adapted to the plug of the photovoltaic connector; A rotating assembly (4) is arranged between opposite side walls of the front base (2) and the rear base (1), and the front base (2) and the rear base (1) are rotatably connected via the rotating assembly (4); The metal piece (3) is inserted and connected inside the rear base (1) and the front base (2), and a communication connection is established between the photovoltaic connector and the photovoltaic device via the metal piece (3).

2. The socket structure according to claim 1, characterized in that: The rotating assembly (4) comprises a rotating ring (41); a side wall of the front base (2) away from the photovoltaic connector is provided with a sleeve groove (43); the sleeve groove (43) is used for inserting the free end side wall of the rear base (1); the rotating ring (41) is arranged on the side wall of the front base (2) located at the sleeve groove (43); the side wall of the rear base (1) is provided with a positioning ring groove (42) plug-fitted with the rotating ring (41); and the outer side wall of the rear base (1) is provided with a limiting member for preventing the rotating ring (41) from falling out of the positioning ring groove (42).

3. The socket structure according to claim 2, characterized in that: The limiting member comprises an elastic clamping ring, the outer side wall of the rear base (1) is provided with a first clamping ring groove (45), the groove side wall of the sleeve groove (43) is provided with a second clamping ring groove (46), the second clamping ring groove (46) and the first clamping ring groove (45) are arranged opposite to each other, one part of the side wall of the elastic clamping ring is located in the first clamping ring groove (45), and the other part of the side wall of the elastic clamping ring is located in the second clamping ring groove (46), and the inner ring wall and the outer ring wall of the elastic clamping ring are both tightly attached to the groove walls of the first clamping ring groove (45) and the second clamping ring groove (46).

4. The socket structure according to claim 3, characterized in that: The elastic clamp ring is a C-shaped clamp ring (44).

5. The socket structure according to claim 4, characterized in that: The C-shaped clamp ring (44) is a superior arc clamp ring.

6. The socket structure according to claim 4, characterized in that: The C-shaped clamping ring (44) is made of stainless steel.

7. The socket structure according to claim 3, characterized in that: The side wall of the rotating ring (41) is provided with a driving portion for extending a portion of the side wall of the elastic clamping ring from the first clamping ring groove (45) into the second clamping ring groove (46).

8. The socket structure according to claim 7, characterized in that: The driving portion comprises a second inclined surface (7), the second inclined surface (7) being arranged on the inner ring wall of the rotating ring (41), a driving ring (5) being arranged on the side wall of the rear base (1) away from the photovoltaic device, the free end side wall of the driving ring (5) being in contact with the groove wall opposite to the notch of the sleeve groove (43), and the outer ring wall of the driving ring (5) being arranged with a first inclined surface (6), the slope of the first inclined surface (6) being smaller than the slope of the second inclined surface (7).

9. The socket structure according to claim 8, characterized in that: The longitudinal cross-sectional area of ​​the driving ring (5) decreases from the side close to the rear base (1) to the side away from the rear base (1), and the longitudinal cross-sectional area of ​​the rotating ring (41) decreases from the side close to the front base (2) to the side away from the front base (2).

10. The socket structure according to claim 8, characterized in that: The driving ring (5) is integrally formed with the rear base (1), and the rotating ring (41) is integrally formed with the front base (2).

11. The socket structure according to claim 2, characterized in that: The outer ring wall of the rotating ring (41) is provided with a sealing ring groove, a first sealing ring (8) is provided in the sealing ring groove, and the first sealing ring (8) abuts against the groove wall of the positioning ring groove (42).

12. The socket structure according to claim 11, characterized in that: A sealing gasket (9) is provided on the groove wall of the sealing ring groove opposite to its groove opening, and the side wall of the sealing gasket (9) abuts against the free end side wall of the rotating ring (41).

13. The socket structure according to claim 1, characterized in that: The male end side wall of the socket of the front base (2) or the male end side wall of the plug of the photovoltaic connector is provided with two opposite buckles (11), and the female end side wall of the plug of the photovoltaic connector or the female end side wall of the socket of the front base (2) is provided with a card slot (12), and the buckle (11) is used to be snapped into the card slot (12).

14. The socket structure according to claim 13, characterized in that: The side wall of the plug female end of the photovoltaic connector located in the card slot (12) and the side wall of the socket female end of the front base (2) located in the card slot (12) are both sleeved with an unlocking sleeve (13), and the unlocking sleeve (13) is provided with an unlocking groove (14), and the unlocking groove (14) and the card slot (12) are communicated with each other, and part of the side wall of the buckle (11) passes through the card slot (12) and extends into the unlocking groove (14), and the unlocking groove (14) is used for inserting a screwdriver or auxiliary equipment.

15. A photovoltaic connector, characterized in that: include: A panel-end socket is provided on a mounting panel of a photovoltaic device; The photovoltaic connector body is connected to the male or female end of the board-end socket; Wherein, the board-end socket is a socket structure as described in any one of claims 1-14, and the photovoltaic connector body can be connected to the photovoltaic device at any angle through the board-end socket.

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