Double-end socket and connector

Abstract

The utility model discloses a double-end socket and a connector. The double-end socket comprises a socket body. The socket body comprises a socket base which is provided with a hollow cavity; the at least one current carrier is arranged in the hollow cavity; the current carrier comprises a first end and a second end which are positioned at two axial ends of the current carrier; the socket base comprises a first plug-in end and a second plug-in end which are formed at the two axial ends of the hollow cavity; the first end of the current carrier is arranged in the first plug-in end, and the second end of the current carrier is arranged in the second plug-in end. The connector comprises a plug-in part capable of extending into the hollow cavity, and the plug-in part comprises a plug-in cavity capable of being matched with the first end or the second end of the current carrier. The utility model provides a double-end socket structure which can realize bidirectional electrical connection and is suitable for scenes requiring bidirectional current transmission. The rapid plugging connector and the socket can be used inside and outside the shell to realize plugging and separation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical connection especially relates to a double -end socket and connector. BACKGROUND

[0002] With the rapid development of energy storage technology, the shell size of energy storage equipment is gradually reduced, which limits the internal operation space. The traditional internal connection of the socket usually adopts the screw connection copper bar or the riveting cable connection mode. These modes are inconvenient to operate during installation and maintenance, especially in a small space environment, which increases the labor cost and time cost. Therefore, there is an urgent need for a new socket design that can solve the above problems. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The utility model solves the technical problem to provide a double -end socket and connector, provide a double -end socket structure, can realize two -way electrical connection, be applicable to the scene that needs two -way transmission current, the two ends of the current -carrying body are placed at the two ends of the socket base respectively, simplify internal wiring, improve the space utilization rate, effectively solve the problem that the operation space is small when the customer maintains the product and leads to the long time of disassembling the product, can realize that the shell inside and outside uses the quick plug connector and socket to realize the plug and separation, greatly reduce the maintenance cost of the terminal customer, improve the safety and efficiency at the same time.

[0005] (II) Technical scheme

[0006] The utility model solves the above technical problem and adopts the scheme of a double -end socket, including socket body, the socket body includes

[0007] Socket base, with hollow cavity,

[0008] At least one current -carrying body is placed in the hollow cavity, the current -carrying body includes the first end and the second end at the axial two ends of itself, and the socket base includes the first plug end and the second plug end formed at the axial two ends of the hollow cavity, the first end of the current -carrying body is placed in the first plug end, and the second end of the current -carrying body is placed in the second plug end.

[0009] The above scheme provides a double -end socket structure, which can realize two -way electrical connection and is suitable for scenes requiring two -way transmission of current. The two ends of the current -carrying body are placed at the two ends of the socket base, which simplifies internal wiring and improves space utilization. The problem of long disassembly time caused by small operation space when customers maintain products is effectively solved. The shell inside and outside can use quick plug connectors and sockets to realize plugging and separation, greatly reducing the maintenance cost of terminal customers, while improving safety and efficiency.

[0010] In some embodiments, the hollow cavity is provided with a first locking portion, and the current-carrying body is provided with a second locking portion capable of cooperating with the first locking portion.

[0011] By the cooperation of the first locking portion and the second locking portion, the current-carrying body can be fixedly installed on the socket base, so that the current-carrying body can be stably installed on the socket base, ensuring the stable connection between the current-carrying body and the socket base, preventing the current-carrying body from loosening or falling off under vibration or external force, and improving the reliability and safety of the double-head socket, thereby ensuring the connection stability of the double-head socket and the connector.

[0012] In some embodiments, the first locking portion includes an annular protrusion formed by the inner wall of the hollow cavity extending inward along the circumference, and the annular protrusion is provided with a locking hole; and the second locking portion includes a protruding portion formed by the outer wall of the current-carrying body extending outward along the circumference, and the protruding portion is matched with the locking hole.

[0013] In some embodiments, the protruding portion is formed by protruding at the middle of the current-carrying body, so that the stress of the first end and the second end is uniform, thereby improving the connection stability of the current-carrying body and the connector.

[0014] By the cooperation of the annular protrusion and the locking hole, the quick installation and accurate positioning of the current-carrying body are ensured, and the structure is simple and easy to manufacture, thereby reducing the production cost.

[0015] In some embodiments, the socket base includes

[0016] a mounting portion capable of cooperating with the shell for installation;

[0017] the first plug-in end and the second plug-in end are respectively connected at both ends of the mounting portion;

[0018] and the first plug-in end is provided with a first plug-in portion, and the second plug-in end is provided with a second plug-in portion; the first plug-in portion and the second plug-in portion are of the same size.

[0019] In some embodiments, the first plug-in portion and the second plug-in portion are respectively formed at both ends of the annular protrusion.

[0020] By the above scheme, the first plug-in end and the second plug-in end of the socket can be plugged in and separated from the quick plug-in and plug-out connector used inside and outside the shell, greatly reducing the maintenance cost of the end customer, while improving the safety and efficiency; and the mounting portion is provided, which facilitates the quick installation and fixation of the double-head socket and the shell.

[0021] In some embodiments, the socket base comprises a positive base and a negative base; the first pair of insertion parts and the second pair of insertion parts of the positive base are of the same size; the first pair of insertion parts and the second pair of insertion parts of the negative base are of the same size; and the first pair of insertion parts of the positive base and the first pair of insertion parts of the negative base are of different specifications to achieve a positive-negative insertion prevention function.

[0022] By virtue of the above scheme, the positive-negative insertion prevention function is achieved through the different design of the positive-negative insertion part sizes, electrical failure or safety hazards caused by misinsertion are avoided, and the safety and reliability of the double-head socket are improved.

[0023] In some embodiments, a positive installation foolproof structure is arranged on the positive base, a negative installation foolproof structure is arranged on the negative base; and the positive installation foolproof structure and the negative installation foolproof structure are different.

[0024] In some embodiments, a positive mark is arranged on the installation part of the positive base, and a negative mark is arranged on the installation part of the negative base.

[0025] By virtue of the above scheme, the positive installation foolproof structure and the negative installation foolproof structure are formed on the end of the installation part matched with the shell, and comprise two protruding column structures and are in contact with the outer wall of the first pair of insertion ends or the second pair of insertion ends arranged inside the shell; and by distinguishing the positions of the two protruding column structures, the positive-negative insertion prevention function can be further improved.

[0026] In some embodiments, the first pair of insertion ends and the second pair of insertion ends are provided with a retreat-stop structure capable of cooperating with the connector; and the retreat-stop structure comprises a retreat-stop groove.

[0027] By virtue of the above scheme, the retreat-stop structure can prevent the connector from being accidentally detached during use, ensuring the stability of electrical connection and being suitable for electrical connection scenes in a vibrating or moving environment; the retreat-stop groove is simple to arrange and easy to manufacture, can quickly cooperate with the protruding structure of the connector to achieve stable connection, and improves the installation efficiency and reliability of the socket.

[0028] In some embodiments, at least two insulating caps are further included, which are respectively sleeved on the outer sides of the first end and the second end of the current-carrying body.

[0029] In some embodiments, the insulating cap is detachably connected to the current-carrying body.

[0030] By virtue of the above scheme, the insulating cap improves the insulation performance of the current-carrying body, prevents electrical short circuit or leakage, and enhances the safety and durability of the double-head socket.

[0031] In some embodiments, a gasket is further included, which is arranged on the outer side of the socket base.

[0032] In some embodiments, the gasket is sleeved on the first or second pair of plug ends on which the socket base is placed inside the shell, and is placed between the mounting portion and the shell, thereby enhancing the sealing of the double-head socket with the shell and improving the stability and environmental adaptability of the double-head socket.

[0033] The utility model discloses a scheme for solving the above technical problems is adapted to the connector of double-head socket, the connector includes the plug end of being able to extend into the hollow cavity, the plug end includes the plug end cavity that can adapt the first end or the second end of the current-carrying body.

[0034] In some embodiments, the retreat prevention groove is formed by the outer wall of the first or second pair of plug ends being recessed radially inward; the connector further includes a mounting wall formed outside the plug end, the mounting wall and the plug end are arranged in a spaced manner, and a movable protruding structure is arranged in the spacing; after the connector is connected with the first or second pair of plug ends, the protruding structure can be locked in the retreat prevention groove and limited on the outer wall of the retreat prevention groove, so as to realize stable connection between the connector and the double-head socket and prevent falling off; at the same time, the connector is further provided with a button for controlling the protruding structure; by pressing the button, the protruding structure is separated from the retreat prevention groove, so as to realize the unlocking effect between the connector and the double-head socket.

[0035] In some embodiments, a sealing ring is arranged on the outer wall of the plug end to improve the sealing between the plug end and the socket base and effectively prevent dust, moisture and the like from entering the inside of the double-head socket.

[0036] (Three) beneficial effects

[0037] Compared with the prior art, the utility model discloses a double-head socket and a connector,

[0038] (1) the utility model provides a kind of double-head socket structure, can realize two-way electrical connection, it is applicable to the scene needing two-way transmission current;The two ends of current-carrying body are placed at the two ends of socket base respectively, simplify internal wiring, improve space utilization;Effectively solve the problem that the operation space is small when customer maintains product and leads to dismounting product work hour is longer, can realize that shell inside outside uses quick plug connector and socket to realize plug and separate, greatly reduce end customer maintenance cost, improve safety and efficiency simultaneously;

[0039] (2) The utility model discloses through the cooperation of first locking portion and second locking portion, can realize the fixed installation of current -carrying fluid on the socket base, so that current -carrying fluid can be firmly installed on the socket base, ensure the firm connection between current -carrying fluid and socket base, prevent current -carrying fluid from loosening or falling under the vibration or external force, improve the reliability and security of the double -end socket, and further ensure the connection stability of the double -end socket and connector, and the cooperation of annular convex and locking hole ensures the quick installation and accurate positioning of current -carrying fluid, and simple structure and easy to manufacture, reduce the production cost;

[0040] (3) The utility model discloses through the same setting of the size of first pair of insertion part and second pair of insertion part, can realize the first pair of insertion end and the second pair of insertion end of the quick plug connector and socket of shell inside outside use and separate, greatly reduce the maintenance cost of terminal customer, improve security and efficiency simultaneously, and, the setting of installation part, the quick installation and fixed of the double -end socket and shell are convenient;

[0041] (4) The utility model discloses through the different design of positive pole and negative pole pair insertion part size, realizes the anti -inserting function, avoids the electrical failure or potential safety hazard due to misinsertion, improves the security and reliability of the double -end socket, and, through the position of two different arrangements of convex post structure, then can further improve the anti -inserting function of positive pole and negative pole;

[0042] (5) The utility model discloses the retreat structure of preventing connector from accidentally falling off in the use process, ensures the stability of electrical connection, is applicable to the electrical connection scene under the vibration or mobile environment, and the setting of retreat recess is simple and easy to manufacture, can be quickly matched with the convex structure of connector, realizes firm connection, improves the installation efficiency and reliability of socket. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any inventive labor.

[0044] Figure 1 It is an exploded view of the double-end socket of the utility model;

[0045] Figure 2 It is a sectional view of the double-end socket of the utility model;

[0046] Figure 3 It is a sectional view of the socket base of the utility model;

[0047] Figure 4The utility model discloses a negative electrode base's structure schematic drawing of another angle.

[0048] Figure 5 The utility model discloses a negative electrode base's structure schematic drawing of another angle.

[0049] Figure 6 The utility model discloses a positive electrode base's structure schematic drawing.

[0050] Figure 7 The utility model discloses a positive electrode base's structure schematic drawing of another angle.

[0051] Figure 8 The utility model discloses a double -end socket and connector's assembly schematic drawing.

[0052] The corresponding component name of each reference numeral in the drawing is: 100, socket body;101, socket base;1011, hollow cavity;1012, first locking portion;1012a, annular protrusion;1012b, locking hole;1013, mounting portion;1014, first plug end;1014a, first plug portion;1015, second plug end;1015a, second plug portion;1016, retreat stop structure;1016a, retreat stop groove;102, current-carrying body;1021, first end;1022, second end;1023, second locking portion;1023a, protruding portion;103, insulating cap;104, gasket;200, positive electrode base;201, positive electrode installation fool-proof structure;202, positive electrode mark;300, negative electrode base;301, negative electrode installation fool-proof structure;302, negative electrode mark;400, connector;401, plug portion;402, plug cavity;403, mounting wall;404, sealing ring;500, shell. DETAILED DESCRIPTION

[0053] The utility model discloses a negative electrode base's structure schematic drawing of another angle.

[0054] In the description of the utility model, need explanation, unless another explicit stipulation and limitation, the term " install " " link " " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside.For the ordinary skilled in the art, the specific meaning of the above-mentioned term in the application can be understood according to specific conditions.

[0055] The following detailed description is presented in order to describe the aspects of the application and it is not intended that this application be limited thereof. It will be appreciated that the detailed description is presented primarily for purposes of illustration and that deviations from the specific embodiments described herein, that are clear to one skilled in the art, can be made without departing from the spirit and scope of the present application.

[0056] It is to be understood that the foregoing description is that of certain specific embodiments of the application. Various modifications can be made to these specific embodiments without departing from the spirit and scope of the application. For example, although the application has been described with reference to a wireless communication system, the application can be used in any type of system in which a user equipment device communicates with a base station. It will be apparent to one of ordinary skill in the art that other alternatives can be used. Further, it is to be understood that the description of any aspect of the application can include any feature to the exclusion of other aspects, and each is intended to be addressed individually. It should be noted that examples of the embodiments described below are provided in the context of the appended claims. It should be apparent to one of ordinary skill in the art that any of the examples described herein can be used in any combination with any other example described herein, and that the examples described herein can be used in any combination with any other aspect described herein. It should also be noted that the examples described below can be used in any combination with any other aspect described herein.

[0057] It is also to be understood that the above description is only illustrative of the application and that modifications and other implementations can come within the scope of the application. Accordingly, the above description is not intended as limiting, but merely as exemplification of the principles of the application. Thus, it is to be understood that the application is not to be limited to the specific embodiments illustrated, but only by the scope of the appended claims.

[0058] Also, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the examples. However, it will be apparent to one of ordinary skill in the art that the examples can be practiced without these specific details.

[0059] The technical solutions provided by the embodiments of the present application are described below in combination with the drawings.

[0060] As Figures 1-8The utility model provides a double -end socket, including socket body 100, socket body 100 includes socket base 101, it has hollow cavity 1011, one current -carrying body 102, it is placed in hollow cavity 1011, current -carrying body 102 includes the first end 1021 and the second end 1022 in the axial both ends of its own, and, first end 1021 and second end 1022 are placed respectively in the axial both ends of hollow cavity 1011, socket base 101 includes the first pair of insertion end 1014 and the second pair of insertion end 1015 formed in the axial both ends of hollow cavity 1011, the first end 1021 of current -carrying body 102 is placed in the first pair of insertion end 1014, and the second end 1022 of current -carrying body 102 is placed in the second pair of insertion end 1015. With above-mentioned scheme, provide a double -end socket structure, can realize two -way electrical connection, be applicable to the scene needing two -way transmission current, the both ends of current -carrying body 102 are placed respectively in the both ends of socket base 101, simplify internal wiring, improve the space utilization, effectively solve the problem that the operation space is small when the customer maintains the product and leads to the product work time of dismounting is longer, can realize the separation of shell 500 inside and outside quick plug connector 400 and socket, greatly reduce the maintenance cost of terminal customer, improve security and efficiency simultaneously.

[0061] In some embodiments, the hollow cavity 1011 is provided with a first locking portion 1012, and the current-carrying body 102 is provided with a second locking portion 1023 capable of cooperating with the first locking portion 1012. With the above scheme, through cooperation of the first locking portion 1012 and the second locking portion 1023, the current-carrying body 102 can be fixedly installed on the socket base 101, so that the current-carrying body 102 can be stably installed on the socket base 101, ensuring stable connection between the current-carrying body 102 and the socket base 101, preventing the current-carrying body 102 from loosening or falling off under vibration or external force, improving reliability and safety of the double-head socket, and further ensuring connection stability of the double-head socket and the connector 400. In some embodiments, the first locking portion 1012 includes an annular protrusion 1012a extending inward along the circumference from an inner wall of the hollow cavity 1011, and the annular protrusion 1012a is provided with a locking hole 1012b; the second locking portion 1023 includes a protruding portion 1023a extending outward along the circumference from an outer wall of the current-carrying body 102, and the protruding portion 1023a is adapted to the locking hole 1012b. In some embodiments, the protruding portion 1023a is formed by protruding from the middle of the current-carrying body 102, so that the first end 1021 and the second end 1022 are uniformly stressed, and further improving the connection stability of the current-carrying body 102 and the connector 400. With the above scheme, through cooperation of the annular protrusion 1012a and the locking hole 1012b, quick installation and accurate positioning of the current-carrying body 102 are ensured, and the structure is simple and easy to manufacture, reducing production cost.

[0062] In some embodiments, the socket base 101 includes a mounting portion 1013 capable of cooperating with the shell 500 for installation; a first pair of insertion ends 1014 and a second pair of insertion ends 1015 connected at two ends of the mounting portion 1013; wherein the first end 1021 of the current-carrying body 102 is placed in the first pair of insertion ends 1014, and the second end 1022 of the current-carrying body 102 is placed in the second pair of insertion ends 1015; and the first pair of insertion ends 1014 is provided with a first pair of insertion portions 1014a, and the second pair of insertion ends 1015 is provided with a second pair of insertion portions 1015a; the first pair of insertion portions 1014a and the second pair of insertion portions 1015a are the same size. In some embodiments, the first pair of insertion portions 1014a and the second pair of insertion portions 1015a are respectively formed at two ends of the annular protrusion 1012a. With the above scheme, the first pair of insertion ends 1014 and the second pair of insertion ends 1015 of the socket can be plugged and separated with the quick plug connector 400 inside and outside the shell 500, greatly reducing the maintenance cost of end customers, while improving safety and efficiency; and the mounting portion 1013 is provided to facilitate quick installation and fixation of the double-head socket and the shell 500.

[0063] In some embodiments, the socket base 101 comprises a positive base 200 and a negative base 300; that is, the socket base 101 has multiple implementation forms, which can be a positive base 200 or a negative base 300; the first pair of insertion parts 1014a and the second pair of insertion parts 1015a of the positive base 200 are of the same size; the first pair of insertion parts 1014a and the second pair of insertion parts 1015a of the negative base 300 are of the same size; and the first pair of insertion parts 1014a of the positive base 200 and the first pair of insertion parts 1014a of the negative base 300 are of different specifications to achieve the positive-negative insertion prevention function. With the above scheme, the positive-negative insertion prevention function is achieved by the different design of the positive-negative pair of insertion parts 401, avoiding electrical failure or safety hazards caused by misinsertion, and improving the safety and reliability of the double-head socket. In some embodiments, the positive base 200 is provided with a positive installation foolproof structure 201, and the negative base 300 is provided with a negative installation foolproof structure 301; and the positive installation foolproof structure 201 and the negative installation foolproof structure 301 are different. In some embodiments, the installation part 1013 of the positive base 200 is provided with a positive identification 202, and the installation part 1013 of the negative base 300 is provided with a negative identification 302. With the above scheme, the negative installation foolproof structure 301 and the positive installation foolproof structure 201 are formed on the end of the installation part 1013 cooperating with the shell 500, and comprise two protruding column structures and are in contact with the outer wall of the second pair of insertion ends 1015 placed inside the shell 500; and by distinguishing the positions of the two protruding column structures, the positive-negative insertion prevention function can be further improved.

[0064] In some embodiments, the first pair of insertion ends 1014 and the second pair of insertion ends 1015 are provided with a retreat-stop structure 1016 capable of cooperating with the connector 400; and the retreat-stop structure 1016 comprises a retreat-stop groove 1016a. With the above scheme, the retreat-stop structure 1016 can prevent the connector 400 from accidentally falling off during use, ensuring the stability of electrical connection, and being suitable for electrical connection scenes in vibrating or moving environments; the retreat-stop groove 1016a is simple to set and easy to manufacture, can quickly cooperate with the protruding structure of the connector 400, realize stable connection, and improve the installation efficiency and reliability of the socket.

[0065] In some embodiments, two insulating caps 103 are further included, which are respectively sleeved on the outer sides of the first end 1021 and the second end 1022 of the current-carrying body 102. In some embodiments, the insulating caps 103 are connected to the current-carrying body 102 through buckle structures. With the above scheme, the insulating caps 103 improve the insulation performance of the current-carrying body 102, prevent electrical short circuit or leakage, and enhance the safety and durability of the double-head socket. In some embodiments, a gasket 104 is further included, which is arranged on the outer side of the socket base 101. In some embodiments, the gasket 104 is sleeved on the second pair of plug-in ends 1015 of the socket base 101 placed inside the shell 500 and is placed between the mounting portion 1013 and the shell 500, which enhances the sealing performance of the double-head socket and the shell 500 and improves the stability and environmental adaptability of the double-head socket.

[0066] As shown in Figure 8 The utility model also provides a connector 400 matched with the double-head socket, which comprises a plug-in portion 401 capable of extending into the hollow cavity 1011, and the plug-in portion 401 comprises a plug-in cavity 402 capable of matching the first end 1021 or the second end 1022 of the current-carrying body 102. In some embodiments, the retreat-preventing groove 1016a is formed by the outer wall of the first plug-in end 1014 and the second plug-in end 1015 being recessed radially inwardly; the connector 400 further comprises a mounting wall 403 formed on the outer wall of the plug-in portion 401, which is arranged at intervals with the plug-in portion 401, and a movable protruding structure is arranged in the interval space; after the connector 400 is connected with the first plug-in end 1014 or the second plug-in end 1015, the protruding structure can be locked in the retreat-preventing groove 1016a and be limited on the outer wall of the retreat-preventing groove 1016a, so as to realize the stable connection between the connector 400 and the double-head socket and prevent the connector 400 from falling off; meanwhile, a button for controlling the protruding structure is arranged on the connector 400; by pressing the button, the protruding structure can be separated from the retreat-preventing groove 1016a, so as to realize the unlocking effect between the connector 400 and the double-head socket. In some embodiments, a sealing ring 404 is arranged on the outer wall of the plug-in portion 401, so as to improve the sealing performance between the plug-in portion 401 and the socket base 101 and effectively prevent dust and moisture from entering the double-head socket.

[0067] In the specification, the same or similar parts among various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0068] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical scope disclosed by the present application can be easily conceived by the person skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A double ended socket, characterized by: The socket body (100) comprises A socket base (101) having a hollow cavity (1011); At least one current-carrying body (102) disposed in the hollow cavity (1011); the current-carrying body (102) comprises a first end (1021) and a second end (1022) located at the axial ends of the current-carrying body (102) itself; The socket base (101) comprises a first pair of plug-in ends (1014) and a second pair of plug-in ends (1015) formed at the axial ends of the hollow cavity (1011); the first end (1021) of the current-carrying body (102) is disposed in the first pair of plug-in ends (1014), and the second end (1022) of the current-carrying body (102) is disposed in the second pair of plug-in ends (1015).

2. The double socket of claim 1, wherein: A first locking portion (1012) is arranged in the hollow cavity (1011), and the current-carrying body (102) is provided with a second locking portion (1023) capable of cooperating with the first locking portion (1012).

3. The double-ended socket of claim 2, wherein: The first locking portion (1012) comprises an annular protrusion (1012a) extending inward along the circumference of the inner wall of the hollow cavity (1011), and the annular protrusion (1012a) is provided with a locking hole (1012b); the second locking portion (1023) comprises a protruding portion (1023a) extending outward along the circumference of the outer wall of the current-carrying body (102), and the protruding portion (1023a) is adapted to the locking hole (1012b).

4. The double-ended socket of claim 1, wherein: The socket base (101) comprises A mounting portion (1013) capable of cooperating with the shell (500); The first pair of plug-in ends (1014) and the second pair of plug-in ends (1015) are respectively connected at the two ends of the mounting portion (1013); The first pair of plug-in ends (1014) is provided with a first pair of plug-in portions (1014a), and the second pair of plug-in ends (1015) is provided with a second pair of plug-in portions (1015a); the first pair of plug-in portions (1014a) and the second pair of plug-in portions (1015a) are of the same size.

5. The double-ended socket of claim 4, wherein: The socket base (101) comprises a positive base (200) and a negative base (300); the first pair of plug-in portions (1014a) and the second pair of plug-in portions (1015a) of the positive base (200) are of the same size; the first pair of plug-in portions (1014a) and the second pair of plug-in portions (1015a) of the negative base (300) are of the same size; the first pair of plug-in portions (1014a) of the positive base (200) and the first pair of plug-in portions (1014a) of the negative base (300) are of different specifications.

6. The double-ended socket of claim 5, wherein: The positive base (200) is provided with a positive installation foolproof structure (201), and the negative base (300) is provided with a negative installation foolproof structure (301); the positive installation foolproof structure (201) and the negative installation foolproof structure (301) are different.

7. The double-ended socket of claim 4, wherein: The first and second plug-in ends (1014 and 1015) are provided with retreat-stop structures (1016) capable of cooperating with the connector (400); the retreat-stop structures (1016) comprise retreat-stop grooves (1016a).

8. The double socket of any one of claims 1-7, wherein: The first end (1021) and the second end (1022) of each current-carrying body (102) are respectively provided with an insulating cap (103) on the outside.

9. The double socket of any one of claims 1-7, wherein: A gasket (104) is further included, which is arranged on the outside of the socket base (101).

10. A connector adapted to the double-ended socket according to any one of the preceding claims 1-9, characterized in that: The connector (400) comprises a plug-in part (401) capable of extending into the hollow cavity (1011), and the plug-in part (401) comprises a plug-in cavity (402) capable of fitting the first end (1021) or the second end (1022) of the current-carrying body (102).

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