Socket and plug electrical connectors

Abstract

The application provides a socket electric connector and a plug electric connector. The socket electric connector comprises a socket body, the socket body comprises a socket mating surface and a socket back surface, and the socket body is provided with a first socket terminal receiving cavity and a second socket terminal group receiving cavity penetrating through the socket mating surface and the socket back surface; at least two first socket terminals are arranged in the first socket terminal receiving cavity; a second socket terminal group is arranged in the second socket terminal group receiving cavity; the second socket terminal group comprises at least one second socket female terminal and at least one second socket male terminal, the second socket female terminal is arranged in a sub-receiving cavity of the second socket terminal group receiving cavity; one side of the sub-receiving cavity close to the socket mating surface is lower than the socket mating surface and higher than an end of the second socket male terminal close to the socket mating surface. The terminal arrangement is reasonable, and the terminal can be effectively protected.

Description

Technical Field

[0001] This application relates to the field of electrical connector technology, specifically to a socket electrical connector and a plug electrical connector. Background Technology

[0002] Currently, electrical connectors are widely used in electronic devices, and their main function is to achieve electrical connections. However, as electronic products are developing towards thinner and smaller designs, the design of traditional electrical connectors often faces the problems of large size and low space utilization. In particular, when signal terminals and power terminals coexist in the same electrical connector, the signal terminals are usually small and easily damaged during installation or use, affecting the stability and lifespan of the equipment.

[0003] Traditional technical solutions often cannot simultaneously protect signal terminals or reduce the size of electrical connectors, failing to fully meet the demands of related products for thinner, lighter, and more reliable electrical connectors. Therefore, designing an electrical connector with a reasonable terminal arrangement that protects delicate signal terminals from damage while improving space utilization has become a pressing technical problem.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art.

[0005] Application content

[0006] Based on this, this application provides a socket electrical connector and a plug electrical connector.

[0007] According to some embodiments, this application provides a socket electrical connector, comprising:

[0008] A socket body, the socket body including a socket mating surface and a socket back surface, and having a first socket terminal receiving cavity and a second socket terminal group receiving cavity penetrating the socket mating surface and the socket back surface;

[0009] At least two first socket terminals are disposed within the receiving cavity of the first socket terminal;

[0010] A second socket terminal group is disposed within a receiving cavity of the second socket terminal group; wherein the second socket terminal group includes at least one second socket female terminal and at least one second socket male terminal, the second socket female terminal is disposed within a sub-receiving cavity of the receiving cavity of the second socket terminal group; the side of the sub-receiving cavity near the socket mating surface is lower than the socket mating surface and higher than the end of the second socket male terminal near the socket mating surface;

[0011] The longitudinal axis of the first socket terminal and the longitudinal axis of each terminal in the second socket terminal group extend in a straight line along the back of the socket toward the socket mating surface.

[0012] In some embodiments, the second socket terminal group includes at least two second socket male terminals, each of which is distributed along the outer periphery of the second socket female terminal.

[0013] In some embodiments, the virtual connection between any two of the first socket terminals and the second socket female terminal forms a triangle.

[0014] In some embodiments, the number of the first socket terminals is at least three; wherein at least one of the first socket terminals is not on the same straight line as the rest of the first socket terminals.

[0015] In some embodiments, the first socket terminal includes a floating portion, a first connecting portion, and a first socket contact portion connected in sequence;

[0016] The floating part includes a floating base connected to the first connecting part. The floating base extends from a first end toward a direction away from the first socket contact part with a plurality of spaced elastic floating pieces. The first end is the end of the first connecting part away from the first socket contact part.

[0017] In some embodiments, the first socket terminal includes:

[0018] The main body of the first socket terminal;

[0019] A sliding contact portion includes a C-shaped base and a retaining ring; the C-shaped base extends from the side near the first socket terminal body to form a plurality of spaced elastic arms that are connected to one end of the first socket terminal body, and the C-shaped base extends from the side away from the first socket terminal body to form a plurality of spaced contact pieces; the retaining ring is sleeved on the outside of the C-shaped base.

[0020] A second socket contact portion is connected to the other end of the first socket terminal body.

[0021] In some embodiments, the second socket female terminal includes a first mating portion, a first spring, a sleeve portion, and a third socket contact portion; one end of the first spring abuts against the first mating portion, and the other end abuts against the sleeve portion, so that the first mating portion can move elastically in the extending direction of the sleeve portion, and the third socket contact portion is connected to the sleeve portion.

[0022] In some embodiments, the first socket terminal includes:

[0023] One main body, having a crown spring cavity;

[0024] A crown spring is disposed within the crown spring cavity;

[0025] The crown spring includes:

[0026] Two rings and a plurality of first springs connected between the two rings, each of the first springs having an inwardly recessed first contact point;

[0027] A plurality of second reeds, each second reed including a fixed end formed on a ring and a free end extending from the fixed end toward another ring, each free end first tilting inward and then tilting outward to form a second contact point;

[0028] The planes formed by each of the first contact points are parallel to, but do not overlap with, the planes formed by each of the second contact points.

[0029] In some embodiments, the socket connector further includes a second socket terminal group seal, which is disposed within the receiving cavity of the second socket terminal group;

[0030] The second socket terminal block seal has at least one first through hole for inserting the female terminal of the second socket and at least one second through hole for inserting the male terminal of the second socket.

[0031] In some embodiments, the socket connector further includes a socket housing having a mounting groove;

[0032] The socket body is housed within the mounting slot.

[0033] According to some embodiments, this application also provides a plug electrical connector, comprising:

[0034] A plug body, the plug body including a first plug mating surface and a plug back surface; a portion of the first plug mating surface extends in the mating direction to form a second plug terminal group mating cavity, the second plug terminal group mating cavity having a second sub-matting surface.

[0035] At least two first plug terminals are disposed in the plug body;

[0036] Multiple second plug terminals are disposed in the mating cavity of the second plug terminal group;

[0037] The longitudinal axis of the first plug terminal and the longitudinal axis of the second plug terminal extend in a straight line along the back of the plug toward the mating surface of the first plug.

[0038] In the mating direction, the first end of the first plug terminal is higher than the second sub-mating surface, and the first end of the first plug terminal is the end that is closer to the second sub-mating surface.

[0039] In some embodiments, the first end of at least one of the first plug terminals is higher than the first ends of the other first plug terminals.

[0040] In some embodiments, the first plug terminal includes:

[0041] First plug terminal body;

[0042] The first plug contact portion extends from one end of the first plug terminal body toward the mating direction.

[0043] The first plug terminal sealing structure is sleeved on the outer side of the first plug contact portion near the end of the first plug terminal body.

[0044] In some embodiments, the first plug contact portion includes a first sub-contact portion and a second sub-contact portion connected together; the orthographic projection of the first sub-contact portion on the first plug mating surface falls within the range of the orthographic projection of the second sub-contact portion on the first plug mating surface.

[0045] According to some embodiments, this application also provides a plug electrical connector, comprising:

[0046] A housing includes a second plug mating surface and a housing back surface; a portion of the second plug mating surface extends in a mating direction to form a fourth plug terminal group mating cavity, the fourth plug terminal group mating cavity having a fourth sub-matting surface;

[0047] At least two third plug terminals, portions of which are disposed within the housing; in the mating direction, a first end of the third plug terminal is higher than the fourth sub-mating surface; wherein, the first end of the third plug terminal is the end closer to the fourth sub-mating surface;

[0048] Multiple fourth plug terminals are disposed in the mating cavity of the fourth plug terminal group;

[0049] The longitudinal axis of the third plug terminal and the longitudinal axis of the fourth plug terminal extend in a straight line along the back of the housing toward the mating surface of the second plug.

[0050] A pair of spring arms are disposed on opposite sides of the housing; wherein the side of each spring arm closest to the second plug mating surface is not higher than the second plug mating surface.

[0051] In some embodiments, the housing further includes:

[0052] A pair of housing sides are located opposite each other on both sides of the housing; the spring arms are correspondingly disposed on the housing sides, and the rear half of the spring arms is integrally formed with a push rod;

[0053] A pair of protective parts are correspondingly disposed on the side of the housing to protect the spring arm;

[0054] Each of the protective parts includes a pair of sidewalls and a top; the sidewalls are located on both sides of the spring arm and stand upright on the side of the housing, and the top spans the gap between the upper ends of the sidewalls to cover the front half of the spring arm.

[0055] In some embodiments, an inner groove is formed on one side of the spring arm facing the corresponding side of the housing;

[0056] A rotating shaft is fixedly installed on the side of each housing. A torsion spring is sleeved on the outside of the rotating shaft. One end of the torsion spring abuts against the inner groove of the corresponding spring arm, and the other end abuts against the side of the housing.

[0057] The socket connector and plug connector provided in this application have, or at least have, the following advantages:

[0058] In the socket connector provided in this application, the socket body has a first socket terminal receiving cavity and a second socket terminal group receiving cavity, which facilitates the rational arrangement of the socket terminals. The second socket terminal group receiving cavity includes a sub-receiving cavity. This application designs the side of the sub-receiving cavity near the socket mating surface to be higher than the end of the second socket male terminal near the socket mating surface, which can prevent foreign objects from accidentally entering the sub-receiving cavity, thereby effectively protecting the second socket female terminal from external impact and wear. Simultaneously, the side of the sub-receiving cavity near the socket mating surface is designed to be lower than the socket mating surface to protect the sub-receiving cavity and facilitate sealing of the socket mating surface.

[0059] Other advantages, objectives, and features of this application will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0060] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings.

[0061] Figure 1 This is a three-dimensional structural diagram of the socket connector of the first embodiment of this application from a first angle.

[0062] Figure 2 This is a three-dimensional structural diagram of the socket connector of the first embodiment of this application from a second angle.

[0063] Figure 3 This is a top view of the socket electrical connector according to the first embodiment of this application;

[0064] Figure 4 This is an exploded view of the socket electrical connector according to the first embodiment of this application, which is a front view.

[0065] Figure 5 This is an exploded view of the socket electrical connector according to the first embodiment of this application, which is a view viewed from the rear.

[0066] Figure 6 This is a cross-sectional schematic diagram of the socket electrical connector according to the first embodiment of this application, wherein, Figure 6 (a) is Figure 3 A cross-sectional view along the AA direction; Figure 6 (b) is Figure 3 A cross-sectional view along the BB direction;

[0067] Figure 7 This is a schematic diagram of the structure of the second socket terminal group seal in the socket electrical connector of the first embodiment of this application;

[0068] Figure 8 This is a three-dimensional structural diagram of the first socket terminal in the socket electrical connector of the first embodiment of this application;

[0069] Figure 9 This is an exploded view of the first socket terminal in the socket electrical connector of the first embodiment of this application;

[0070] Figure 10 This is a three-dimensional structural diagram of the second socket female terminal in the socket electrical connector of the first embodiment of this application;

[0071] Figure 11 This is an exploded view of the second socket female terminal in the socket electrical connector of the first embodiment of this application;

[0072] Figure 12 This is an exploded view of the male terminal of the second socket in the socket electrical connector of the first embodiment of this application;

[0073] Figure 13 This is a three-dimensional structural diagram of the male terminal of the second socket in the socket connector of the first embodiment of this application;

[0074] Figure 14 This is a three-dimensional structural diagram of the plug connector according to the first embodiment of this application;

[0075] Figure 15 This is a top view of the plug-electric connector according to the first embodiment of this application;

[0076] Figure 16 This is an exploded view of the plug connector according to the first embodiment of this application, which is a front view.

[0077] Figure 17 This is an exploded view of the plug connector according to the first embodiment of this application, which is a view viewed from the rear.

[0078] Figure 18 This is an exploded view of the first plug terminal in the plug connector of the first embodiment of this application;

[0079] Figure 19 This is a cross-sectional schematic diagram of the plug electrical connector according to the first embodiment of this application, wherein, Figure 19 (a) is Figure 15 A cross-sectional view in the CC direction; Figure 19 (b) is Figure 15 A cross-sectional view in the DD direction; Figure 19 (c) is Figure 15 Schematic cross-section in the EE direction;

[0080] Figure 20 This is a three-dimensional structural diagram of the second plug female terminal in the plug connector of the first embodiment of this application;

[0081] Figure 21 This is an exploded view of the second plug female terminal in the plug electrical connector of the first embodiment of this application;

[0082] Figure 22 This is a three-dimensional structural diagram of the plug and socket connectors of the first embodiment of this application when they are mated.

[0083] Figure 23 This is an exploded view of the socket connector and plug connector of the second embodiment of this application;

[0084] Figure 24 This is a top view of the connector housing with a sliding contact portion in the socket electrical connector of the second embodiment of this application, wherein a first socket terminal and a second socket male terminal are inserted;

[0085] Figure 25 for Figure 24 A cross-sectional schematic diagram, in which, Figure 25 (a) is Figure 24 A cross-sectional view in the FF direction; Figure 25 (b) is Figure 24 A cross-sectional view in the GG direction;

[0086] Figure 26 This is a three-dimensional structural diagram of the sliding contact portion of the first socket terminal in the socket electrical connector of the second embodiment of this application;

[0087] Figure 27 This is a bottom view of the sliding contact portion of the first socket terminal in the socket connector of the second embodiment of this application;

[0088] Figure 28 for Figure 27 A cross-sectional schematic diagram along the HH direction;

[0089] Figure 29 This is an exploded view of the housing of the connector with a sliding contact portion in the socket electrical connector of the second embodiment of this application, which is a view viewed from the front.

[0090] Figure 30 This is an exploded view of the housing of the connector with a sliding contact portion in the socket connector of the second embodiment of this application, which is a view viewed from the rear.

[0091] Figure 31 This is a three-dimensional structural diagram of the plug and socket connectors of the second embodiment of this application when they are mated.

[0092] Figure 32 This is a top view of the socket electrical connector according to the third embodiment of this application;

[0093] Figure 33 This is a cross-sectional schematic diagram of the socket electrical connector according to the third embodiment of this application, wherein, Figure 33 (a) is Figure 32 A cross-sectional view in direction II. Figure 33 (b) is Figure 32 A cross-sectional view along the JJ direction. Figure 33 (c) is Figure 32 A cross-sectional view along the KK direction;

[0094] Figure 34 This is a three-dimensional structural diagram of the socket electrical connector according to the third embodiment of this application;

[0095] Figure 35 This is a side view of an embodiment of a crown spring in the first socket terminal of the third embodiment of this application;

[0096] Figure 36 This is a three-dimensional structural diagram of a crown spring embodiment in the first socket terminal of the third embodiment of this application;

[0097] Figure 37 This is a top view of an embodiment of a crown spring in the first socket terminal of the third embodiment of this application;

[0098] Figure 38This is a three-dimensional structural diagram of the plug connector according to the third embodiment of this application;

[0099] Figure 39 This is a top view of the plug-electric connector according to the third embodiment of this application;

[0100] Figure 40 This is a cross-sectional schematic diagram of the plug electrical connector according to the third embodiment of this application, wherein, Figure 40 (a) is Figure 39 A cross-sectional view along the LL direction. Figure 40 (b) is Figure 39 Cross-sectional view in the MM direction;

[0101] Figure 41 for Figure 39 A cross-sectional view along the NN direction;

[0102] Figure 42 This is a side view of the third embodiment of this application after the first plug terminal and the first socket terminal are mated.

[0103] Figure 43 for Figure 42 A cross-sectional view along the OO direction;

[0104] Figure 44 This is a side view of another embodiment of the crown spring in the first socket terminal of the third embodiment of this application;

[0105] Figure 45 This is a three-dimensional structural schematic diagram of another embodiment of the crown spring in the first socket terminal of the third embodiment of this application;

[0106] Figure 46 This is a top view of another embodiment of the crown spring in the first socket terminal of the third embodiment of this application;

[0107] Figure 47 This is a three-dimensional structural diagram of the socket electrical connector according to the fourth embodiment of this application;

[0108] Figure 48 This is a three-dimensional structural diagram of the plug connector according to the fourth embodiment of this application;

[0109] Figure 49 This is an exploded view of the plug connector according to the fourth embodiment of this application;

[0110] Figure 50 This is a side view of the plug connector and socket connector of the fourth embodiment of this application when they are mated.

[0111] Figure 51 for Figure 50 A cross-sectional view along the PP direction.

[0112] Figure label:

[0113] 100, socket housing; 100', recessed receiving cavity; 100a, snap-fit ​​hole;

[0114] 101. Socket body; 102. Socket mating surface; 102'. Socket back side; 103. First socket terminal; 103a. First connecting part; 103b. First socket contact part; 103c. Floating base; 103d. Elastic floating piece; 103e. First socket terminal body; 103f. C-shaped base; 103g. Fixing ring; 103h. Elastic arm; 103i. Contact piece; 103j. Second socket contact part; 103k. Main body; 103k'. Crown spring cavity; 103l. Ring; 103m. First spring piece; 103m'. First contact point; 103n. Second spring piece; 103o. Fixed end; 103p. Free end; 103n'. Second... Contact point; 103q, connecting piece; 103r, sub-spring; 103s, fourth spring; 104, first socket terminal receiving cavity; 105, second socket terminal group receiving cavity; 106, second socket female terminal; 106a, first mating part; 106b, first spring; 106c, sleeve part; 106d, third socket contact part; 107, second socket male terminal; 107a, second socket male terminal spring; 107b, second socket male terminal mating part; 107c, second socket male terminal sleeve part; 107d, second socket male terminal contact part; 108, sub-receiving cavity; 109, second socket terminal group seal; 109a, first through hole; 109b, second through hole;

[0115] 111. Socket back cover; 112. Socket housing sealing component; 113. Socket first sealing component; 114. Socket second sealing component;

[0116] 120. Connecting housing; 120a. Back side; 121. First mounting hole; 1211. Stop; 122. Second mounting hole;

[0117] 201. Plug body; 201a. Plug base; 201b. Plug mating part; 202. First plug terminal; 202a. First plug terminal body; 202b. First plug contact part; 202c. First plug terminal sealing structure; 2021b. First sub-contact part; 2022b. Second sub-contact part; 203. Second plug terminal; 203a. Second plug female terminal; 2031a. Second plug female terminal contact part; 2032a. Second plug female terminal body; 203b. Second plug male terminal; 204. Front side of plug base; 205. Back side of plug base; 206. Second plug terminal assembly mating cavity; 207a. First plug mating surface; 207b. Second sub-mating surface;

[0118] 211. Plug sealing component; 212. Plug rear cover; 213. Plug housing sealing component;

[0119] 301. Housing; 302. Third plug terminal; 303. Fourth plug terminal; 304. Spring arm; 304a. Push rod; 304b. Inner groove; 304c. Locking block; 305. Second plug mating surface; 306. Back of housing; 307. Fourth plug terminal assembly mating cavity; 308. Fourth sub-mating surface; 309. Side of housing;

[0120] 310, Protective part; 310a, Side wall; 310b, Top; 311, Rotating shaft; 312, Torsion spring. Detailed Implementation

[0121] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate preferred embodiments of the application. However, this application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0122] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0123] It should be understood that although the terms first, second, third, etc., may be used to describe various elements, components, and / or parts, these elements, components, and / or parts should not be limited by these terms. These terms are only used to distinguish one element, component, or part from another. Therefore, without departing from the teachings of this application, the first element, component, or part discussed below may be referred to as a second element, component, area, layer, or part; for example, a first plug terminal may be referred to as a second plug terminal, and similarly, a second plug terminal may be referred to as a first plug terminal; the first plug terminal and the second plug terminal are different plug terminals.

[0124] Although terms such as "above" and "between" may be used in this specification to describe different exemplary features and elements of this application, these terms are used herein only for convenience, such as the orientation of the examples shown in the accompanying drawings. Nothing in this specification should be construed as requiring a specific three-dimensional orientation of the structure to fall within the scope of this application. Furthermore, the illustrations provided in this embodiment are only schematic representations of the basic concept of this disclosure. Although the illustrations only show components relevant to this disclosure and are not drawn according to the actual number, shape, and size of components in implementation, the type, quantity, and proportion of each component in actual implementation may be arbitrarily changed, and the component layout may also be more complex.

[0125] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that when the terms “comprise” and / or “comprising” are used in this specification, the presence of the stated feature, integer, element, and / or part is established, but the presence or addition of one or more other features, integers, elements, parts, and / or groups is not excluded. Meanwhile, when used herein, the term “and / or” includes any and all combinations of the associated listed items.

[0126] This application provides a socket electrical connector. The socket electrical connector includes a socket body, at least two first socket terminals, and a second socket terminal group.

[0127] Please see Figures 1-6 , Figure 1 This is a three-dimensional structural diagram of the socket connector of the first embodiment of this application from a first angle. Figure 2 This is a three-dimensional structural diagram of the socket connector of the first embodiment of this application from a second angle. Figure 3 This is a top view of the socket electrical connector according to the first embodiment of this application; Figure 4 This is an exploded view of the socket electrical connector according to the first embodiment of this application, which is a front view.

[0128] Figure 5 This is an exploded view of the socket electrical connector according to the first embodiment of this application, which is a view viewed from the rear. Figure 6 This is a cross-sectional view of the socket electrical connector according to the first embodiment of this application.

[0129] like Figures 1-6 As shown, in the first embodiment, the socket body 101 includes a socket mating surface 102 and a socket back surface 102'. Furthermore, the socket body 101 has a first socket terminal receiving cavity 104 and a second socket terminal group receiving cavity 105 that penetrate the socket mating surface 102 and the socket back surface 102'.

[0130] like Figures 1-3As shown, the first socket terminal 103 is disposed within the first socket terminal receiving cavity 104 of the socket body 101. The second socket terminal group is disposed within the second socket terminal group receiving cavity 105 of the socket body 101, including at least one second socket female terminal 106 and at least one second socket male terminal 107.

[0131] The second socket female terminal 106 is disposed within the sub-receiving cavity 108 of the second socket terminal group receiving cavity 105. The sub-receiving cavity 108 protects the second socket female terminal 106, thereby preventing damage to it. The longitudinal axis of the first socket terminal 103 and the longitudinal axis of each terminal in the second socket terminal group extend in a straight line along the back surface 102' of the socket towards the socket mating surface 102.

[0132] It is worth noting that, such as Figure 1 As shown, the side of the sub-receiving cavity 108 near the socket mating surface 102 is lower than the socket mating surface 102 and higher than the end of the second socket male terminal 107 near the socket mating surface 102. By designing the side of the sub-receiving cavity 108 near the socket mating surface 102 to be lower than the socket mating surface 102, the sub-receiving cavity 108 can be protected, and the socket mating surface 102 can be easily sealed.

[0133] For example, the first socket terminal 103 can be a power female terminal, the second socket female terminal 106 can be a socket signal female terminal, and the second socket male terminal 107 can be a socket signal male terminal.

[0134] As an example, such as Figures 1-3 As shown, the second socket terminal group may include at least two second socket male terminals 107, each second socket male terminal 107 being distributed along the outer periphery of the second socket female terminal 106.

[0135] In the above embodiments, by distributing multiple second socket male terminals 107 around the outer periphery of the second socket female terminals, the space inside the second socket terminal group receiving cavity 105 is reasonably allocated, making full use of the space inside the second socket terminal group receiving cavity 105, making the terminal arrangement more compact, saving the overall space of the socket electrical connector, and contributing to small-size design and improved product integration.

[0136] Traditional signal terminals are typically small and easily damaged during installation or use. In the example above, however, the male terminals 107 of the second socket are distributed along the outer periphery of the female terminals 106 of the second socket, effectively dividing the receiving space of the male terminals 107 of the second socket, thereby protecting the male terminals 107 of the second socket and preventing foreign objects (e.g., fingers) from accidentally entering the receiving cavity 105 of the second socket terminal group and causing damage.

[0137] Furthermore, the diameter of the second socket terminal (second socket female terminal 106 and second socket male terminal 107) can be smaller than the diameter of the first socket terminal 103.

[0138] The first socket terminal 103, serving as the power female terminal, has a larger diameter to help carry higher current. The second socket terminal, serving as the socket signal terminal, transmits low-voltage / low-current signals, and its diameter can be designed to be smaller, thus effectively utilizing limited space and accommodating more terminals without increasing the overall size of the socket connector.

[0139] In addition, the second socket terminal, as a socket signal terminal, is set with a smaller diameter so that it can better maintain a certain distance from the first socket terminal 103 (power female terminal) in the same space, thereby effectively reducing electromagnetic interference between the power female terminal and the socket signal terminal and improving the stability and anti-interference capability of signal transmission.

[0140] As an example, such as Figures 1-3 As shown, any two virtual connections between the first socket terminal 103 and the second socket female terminal 106 can form a triangle. This design helps to further save the overall space of the socket connector, making the terminal layout of the socket connector more compact and reasonable, and improving space utilization without affecting the functional performance of each terminal.

[0141] As an example, the number of first socket terminals 103 is at least three, wherein at least one first socket terminal 103 is not on the same straight line as the other first socket terminals 103.

[0142] This design allows for a more compact arrangement of the first socket terminal 103, further reducing the overall size of the socket connector to meet the requirements of miniaturization design and freeing up more layout space for other functional components.

[0143] Please see Figure 1 It is understood that in this embodiment, the receiving cavity 105 of the second socket terminal group can be designed with an irregular shape. This irregular structure ensures that only the correct plug terminal can mate with it, effectively preventing incorrect insertion and achieving foolproof protection. This helps improve the reliability of the socket connector and reduces equipment damage caused by human error.

[0144] By using irregular shapes, the internal space of the socket connector can be utilized more effectively. Especially with the trend of product size shrinking, irregular shapes can better adapt to the needs of miniaturization, making the terminal arrangement more compact and making full use of the irregular space on the socket connector, which is conducive to reducing its overall size.

[0145] Please see Figures 4-5 In this embodiment, the socket connector may further include a second socket terminal group seal 109, which is disposed in the receiving cavity of the second socket terminal group.

[0146] Specifically, such as Figure 7 As shown, the second socket terminal block seal 109 may have at least one first through hole 109a for inserting the second socket female terminal and at least one second through hole 109b for inserting the second socket male terminal.

[0147] For example, such as Figure 1 and Figure 3 As shown, the socket connector may also include a socket back cover 111, which has a mounting groove. A portion of the socket body 101 is located within the mounting groove, and the socket body 101 and the socket back cover 111 can be connected by means such as laser welding.

[0148] As an example, a socket housing sealing component 112 can be provided between the socket back cover 111 and the socket body 101. The tight fit between the socket housing sealing component 112 and the socket back cover 111 can further prevent liquid from entering the terminal contact area from the back of the socket 102', ensuring the waterproof performance of the entire back area and enhancing the sealing of the back of the socket 102'.

[0149] For example, such as Figure 4 and Figure 5 As shown, the socket connector may also be provided with a first socket sealing component 113 and a second socket sealing component 114.

[0150] The first sealing component 113 of the socket is sleeved on the socket body 101. This first sealing component 113 of the socket enables the socket electrical connector to seal with a device on which a plug electrical connector is installed. For example, the surface of this device can be pressed against the surface of the first sealing component 113 of the socket to achieve a seal between the two.

[0151] The second sealing member 114 of the socket is also sleeved on the socket body 101 and at least partially covers the socket mating surface 102. It has through holes that mate with the first socket terminal receiving cavity 104 and the second socket terminal group receiving cavity 105. In the longitudinal axis extension direction of the terminals, the first sealing member 113 of the socket is closer to the socket back cover 111 than the second sealing member 114 of the socket.

[0152] In the above example, the interoperation of the first sealing component 113 and the second sealing component 114 of the socket can achieve further sealing for the socket electrical connector, thereby ensuring that the terminals inside each terminal receiving cavity can remain dry and have a safe electrical connection.

[0153] Understandably, each sealing component can be selectively applied according to actual needs, and the associated structure for installing each sealing component can also be adaptively modified to meet actual installation requirements.

[0154] Please refer to the following: Figure 8 and Figure 9 Understand the first socket terminal 103 of this embodiment.

[0155] In this embodiment, the first socket terminal 103 may include a floating part, a first connecting part 103a and a first socket contact part 103b connected in sequence.

[0156] like Figure 8 and Figure 9 As shown, the floating part includes a floating base 103c, which is connected to the first connecting part 103a. The floating base 103c extends from the first end (the end of the first connecting part 103a away from the first socket contact part 103b) in a direction away from the first socket contact part 103b, and a plurality of spaced elastic floating pieces 103d are extended from the first end (the end of the first connecting part 103a away from the first socket contact part 103b).

[0157] The design of the elastic floating piece 103d allows the first socket terminal 103 to float within a certain range during insertion. This ensures that even with slight misalignment, the first socket terminal 103 maintains stable contact with the mating terminal.

[0158] For example, in applications with assembly tolerances, vibration, or stress variations, the first socket terminal 103 can float flexibly to maintain a reliable electrical connection and reduce the risk of poor contact. The terminals that mate with the first socket terminal 103 will be described in detail later.

[0159] Please refer to the following: Figure 10 and Figure 11 Understand the second socket female terminal 106 in this embodiment.

[0160] In this embodiment, the second socket female terminal 106 includes a first mating portion 106a, a first spring 106b, a sleeve portion 106c, and a third socket contact portion 106d.

[0161] like Figure 10 and Figure 11 As shown, one end of the first spring 106b abuts against the first mating portion 106a, and the other end abuts against the socket portion 106c, so that the first mating portion 106a can move elastically in the extending direction of the socket portion 106c. This is a conventional design for a pogo pin, and will not be described in detail here. The third socket contact portion 106d is connected to the socket portion 106c.

[0162] For example, the third socket contact portion 106d and the socket portion 106c can be connected by riveting, welding or other means, but are not limited thereto.

[0163] Please refer to the following: Figure 12 and Figure 13 Understand the second socket male terminal 107 of this embodiment.

[0164] In this embodiment, the second socket male terminal 107 can be designed to include a second socket male terminal spring 107a, a second socket male terminal mating part 107b, and a second socket male terminal sleeve part 107c.

[0165] In this design, one end of the spring 107a of the second socket male terminal abuts against the mating portion 107b of the second socket male terminal, and the other end abuts against the sleeve portion 107c of the second socket male terminal, allowing the mating portion 107b of the second socket male terminal to move elastically in the extending direction of the sleeve portion 107c of the second socket male terminal. This is a conventional design for a spring pin and will not be described in detail here. The contact portion 107d of the second socket male terminal is connected to the sleeve portion 107c of the second socket male terminal.

[0166] For example, the male terminal contact portion 107d and the male terminal socket sleeve portion 107c of the second socket can be connected by riveting, welding or other means; or, the two can be directly integrally formed, but this is not a limitation.

[0167] In some embodiments, the socket connector can be slidably connected to an external device. For example, the resilient floating piece 103d, the first mating portion 106a, and the second socket male terminal mating portion 107b of the socket connector abut against a pad on a PCB.

[0168] When a force is applied in the extension direction of the terminals, each terminal floats elastically through the elastic element to absorb the force. When slight misalignment occurs between the socket connector and the plug connector due to assembly tolerances, manufacturing tolerances, or vibration, the socket connector can slide as a whole to absorb this misalignment.

[0169] Based on the same inventive concept, this application also provides a plug electrical connector. The plug electrical connector includes a plug body, at least two first plug terminals, and a plurality of second plug terminals 203.

[0170] Please see Figures 14-17 , Figure 14 This is a three-dimensional structural diagram of the plug connector according to the first embodiment of this application; Figure 15 This is a top view of the plug-electric connector according to the first embodiment of this application; Figure 16 This is an exploded view of the plug connector according to the first embodiment of this application, which is a front view. Figure 17This is an exploded view of the plug connector of the first embodiment of this application, which is a view viewed from the rear.

[0171] like Figures 14-17 As shown, the plug connector includes a plug body 201, at least two first plug terminals 202, and a plurality of second plug terminals 203.

[0172] The plug body 201 includes a plug base 201a, which has a front plug base 204 and a back plug base 205 facing opposite directions. A portion of the front plug base 204 extends in the mating direction to form a plug mating portion 201b. The side of the plug mating portion 201b away from the back plug base 205 is a first plug mating surface 207a.

[0173] A portion of the first plug mating surface 207a extends further in the mating direction to form a second plug terminal group mating cavity 206, the second plug terminal group mating cavity 206 having a second sub-matting surface 207b.

[0174] In this plug connector, at least two first plug terminals 202 are disposed in the plug body 201. A plurality of second plug terminals 203 are disposed in the second plug terminal assembly mating cavity 206. The longitudinal axis of the first plug terminals 202 and the longitudinal axis of the second plug terminals 203 extend in a straight line along the back side 205 of the plug base toward the front side 204 of the plug base.

[0175] It is worth noting that, in the mating direction, the first end of the first plug terminal 202 (the end closer to the second sub-mating surface 207b) is higher than the second sub-mating surface 207b.

[0176] For example, such as Figure 15 As shown, the second plug terminal 203 in the plug connector may include a second plug female terminal 203a and a second plug male terminal 203b. The second plug female terminal 203a can be used to mate with the second socket male terminal 107, and the second plug male terminal 203b can be used to mate with the second socket female terminal 106.

[0177] Thus, the first plug terminal 202 can be a power male terminal, the second plug female terminal 203a can be a plug signal female terminal, and the second plug male terminal 203b can be a plug signal male terminal.

[0178] As an example, at least one first end of a first plug terminal 202 may be positioned higher than the first ends of other first plug terminals 202.

[0179] In the above example, when the plug connector is mated, the first plug terminal 202 with the higher first end can be used as a grounding terminal and make contact with the corresponding first socket terminal 103 first, thereby satisfying the application requirement of the grounding terminal making contact first; and the first plug terminal 202 with the higher first end can also play a guiding role.

[0180] In addition, in some embodiments, the plug connector may also be provided with multiple plug sealing structures to achieve waterproofing of the end faces between terminals.

[0181] For example, such as Figure 16 and Figure 17 As shown, the plug connector may be provided with a plug sealing member 211. The plug sealing member 211 is sleeved on the outside of the plug mating portion 201b of the plug body 201 and covers the front surface 204 of the plug base. This plug sealing member 211 enables the plug connector to seal with a device on which a socket connector is mounted, for example, by pressing the surface of the device against the surface of the plug sealing member 211 to achieve a seal between the two.

[0182] For example, the plug connector may also be provided with a plug back cover 212 and a plug housing sealing component 213.

[0183] The plug back cover 212 is located on the back of the plug body 201 and has through holes for the first plug terminal 202 and the second plug terminal 203 to pass through. The plug housing sealing component 213 is located between the plug back cover 212 and the plug body 201, and is used to cooperate with the plug back cover 212 to further seal the back of the plug 205, thereby enhancing the overall waterproof performance of the plug connector.

[0184] Please refer to the following: Figure 18 and Figure 19 Understand the first plug terminal 202 of this embodiment.

[0185] In this embodiment, the first plug terminal 202 includes a first plug terminal body 202a, a first plug contact portion 202b, and a first plug terminal sealing structure 202c.

[0186] The first plug contact portion 202b extends from one end of the first plug terminal body 202a in the mating direction. The first plug terminal sealing structure 202c is sleeved on the outer side of the first plug contact portion 202b near the end of the first plug terminal body 202a.

[0187] For example, the first plug contact portion 202b and the first plug terminal body 202a can be integrally formed.

[0188] Combination Figure 8 and Figure 9It is understood that when the plug connector provided in this embodiment is mated with the corresponding socket connector, the first plug contact portion 202b of the first plug terminal 202 is inserted into the first socket contact portion 103b.

[0189] In this socket connector, the design of the elastic floating piece 103d absorbs excess force in the mating direction, so that the first socket terminal 103 and the first plug contact portion 202b of the first plug terminal 202 maintain stable contact and maintain a reliable electrical connection.

[0190] Please refer to the following: Figure 20 and Figure 21 Understand the second plug female terminal 203a of this embodiment.

[0191] In this embodiment, the second plug female terminal 203a includes a second plug female terminal contact portion 2031a and a second plug female terminal body 2032a connected together.

[0192] When the plug connector provided in the first embodiment is mated with the corresponding socket connector, please refer to... Figure 22 .

[0193] Please refer to the following: Figures 23 to 30 Understand the second embodiment of this application.

[0194] Figure 23 An exploded view of the socket electrical connector and the corresponding plug electrical connector provided in the second embodiment of this application; Figure 24 A top view of the connector housing with a sliding contact portion provided in the second embodiment of the present application, wherein a first socket terminal 103 and a second socket male terminal 107 are inserted; Figure 25 for Figure 24 A cross-sectional schematic diagram, in which, Figure 25 (a) is Figure 24 A cross-sectional view in the FF direction. Figure 25 (b) is Figure 24 A cross-sectional view in the GG direction.

[0195] It is worth noting that the main difference between the second embodiment and the first embodiment of this application is that the design of the first socket terminal 103 is different.

[0196] Please refer to the following: Figures 26-30 Understand the first socket terminal 103 of this embodiment.

[0197] In this embodiment, the first socket terminal 103 includes a first socket terminal body 103e, a sliding contact portion, and a second socket contact portion 103j. The installation positions of the first socket terminal body 103e and the second socket contact portion 103j are consistent with those of the first connecting portion 103a and the first socket contact portion 103b in the first embodiment, and will not be described in detail here.

[0198] Please see Figures 26-30 The sliding contact portion may include a C-shaped base 103f and a retaining ring 103g.

[0199] In this design, a plurality of resilient arms 103h extend from the side of the C-shaped base 103f closest to the first socket terminal body 103e, and these resilient arms 103h are used to contact the first socket terminal body 103e. A plurality of contact pieces 103i extend from the side of the C-shaped base 103f furthest from the first socket terminal body 103e, and these contact pieces 103i are used to contact external conductive areas, such as pads on a PCB board.

[0200] like Figures 26-28 As shown, the fixing ring 103g is fixed to the outside of the C-shaped base 103f.

[0201] Please continue reading. Figure 25 The socket connector also includes a connecting housing 120, which has a first mounting hole 121 that is clearance-fitted with the sliding contact portion. The diameter of the first mounting hole 121 can be set to be slightly larger than the diameter of the sliding contact portion, so that the sliding contact portion can slide slightly in the horizontal direction in the first mounting hole 121 to absorb assembly tolerances.

[0202] A stop 1211 is also provided inside the first mounting hole, which cooperates with the fixing ring 103g to stop the sliding contact from disengaging in the direction in which the plug connector is pulled out of the socket connector.

[0203] The connector housing 120 is also provided with a second mounting hole 122 that is clearance-fitted with the second socket female terminal 106 and the second socket male terminal 107. The first mating portion 106a of the second socket female terminal 106, the second socket male terminal mating portion 107b of the second socket male terminal 107, and the contact piece 103i of the sliding contact portion are at least partially exposed on the back side 120a of the connector housing to contact external conductive areas, such as pads on a PCB board.

[0204] The plug connector in this embodiment is the same as that in the first embodiment, and will not be described again here. When the plug connector provided in the second embodiment is mated with the corresponding socket connector, please refer to [reference needed]. Figure 31The second socket contact 103j is electrically connected to the second plug contact 202b, the third socket contact 106d is electrically connected to the second plug male terminal 203b, and the second socket male terminal contact is electrically connected to the second plug female terminal contact 2031a.

[0205] Please refer to the following: Figures 32 to 34 Understand the third embodiment of this application.

[0206] Figure 32 A top view of the socket electrical connector provided in the third embodiment of this application; Figure 33 This is a cross-sectional schematic diagram of a socket electrical connector provided in the third embodiment of this application, wherein, Figure 33 (a) is Figure 32 A cross-sectional view in direction II. Figure 33 (b) is Figure 32 A cross-sectional view along the JJ direction. Figure 33 (c) is Figure 32 A cross-sectional view along the KK direction; Figure 34 This is a three-dimensional structural diagram of the socket electrical connector provided in the third embodiment of this application.

[0207] It is worth noting that the main difference between the third embodiment and the first embodiment is that the design of the first socket terminal 103 is different; and, corresponding to the design of the first socket terminal 103, the design of the first plug contact portion 202b in the first plug terminal 202 is also different.

[0208] Please refer to the following: Figures 35-37 Understand the first socket terminal 103 of this embodiment.

[0209] In this embodiment, the first socket terminal 103 may include a main body 103k and a crown spring.

[0210] Please combine Figure 33 and Figures 35-37 It is understood that the main body 103k has a crown spring cavity 103k', so that the crown spring can be disposed in the crown spring cavity 103k'. Specifically, the crown spring may include two rings 103l, a plurality of first spring pieces 103m connected between the two rings 103l, and each first spring piece 103m has an inwardly recessed first contact point 103m'.

[0211] The crown spring also includes a plurality of second springs 103n, each second spring 103n including a fixed end 103o formed on a ring 103l and a free end 103p extending from the fixed end 103o toward another ring 103l, each free end 103p first tilting inward and then tilting outward to form a second contact point 103n'.

[0212] Among them, ring 103l is a C-shaped ring.

[0213] like Figures 35-37 As shown, the planes formed by each first contact point 103m' and the planes formed by each second contact point 103n' are parallel to each other but do not overlap.

[0214] Please refer to the following: Figures 38-41 Understand the first plug terminal 202 of this embodiment.

[0215] In this embodiment, the first plug contact portion 202b in the first plug terminal 202 is designed to include a connected first sub-contact portion 2021b and a second sub-contact portion 2022b, as follows: Figures 38-43 As shown.

[0216] In the first plug terminal 202 described above, the orthographic projection of the first sub-contact 2021b on the first plug mating surface falls within the range of the orthographic projection of the second sub-contact 2022b on the first plug mating surface.

[0217] Thus, the first sub-contact portion 2021b has a smaller size than the second sub-contact portion 2022b, so as to avoid the first contact point 103m' when angularly mated.

[0218] When the mating is complete, such as Figure 42 and Figure 43 As shown, the first sub-contact 2021b contacts the second contact point 103n' of the first socket terminal 103, and the second sub-contact 2022b contacts the first contact point 103m' of the first socket terminal 103.

[0219] Optionally, the crown spring in the first socket terminal 103 can also be designed as follows: Figures 44-46 The structure shown is different from the aforementioned crown spring in that the two rings 103l of the crown spring are connected by multiple connecting pieces 103q; a third spring is located between any two adjacent connecting pieces 103q, and each third spring includes two sub-spring pieces 103r. One end of each sub-spring piece 103r is connected to a ring 103l, and the other end is connected to another sub-spring piece 103r in the third spring. The connection between the two sub-spring pieces 103r is recessed inward to form a third contact point 103r'.

[0220] The crown spring also includes a plurality of fourth reeds 103s, which are arranged in a one-to-one correspondence with the third reeds and are located between two sub-reeds 103r. Each fourth reed 103s includes a fixed end formed on a ring 103l and a free end extending from the fixed end toward another ring. Each free end is first inclined inward and then inclined outward to form a fourth contact point 103s'.

[0221] It is understood that the aforementioned crown spring can also provide two contact points: a third contact point 103r' and a fourth contact point 103s', and therefore can be used for, for example Figures 38-43 The first plug terminal 202 shown is inserted.

[0222] Thus, when the mating is completed, the first sub-contact 2021b contacts the fourth contact point 103s' of the crown spring, and the second sub-contact 2022b contacts the third contact point 103r' of the crown spring.

[0223] Please refer to the following: Figures 47 to 51 Understand the fourth embodiment of this application.

[0224] In this embodiment, as Figure 47 As shown, the socket housing 100 of the socket connector has a recessed receiving cavity 100', and the socket body 101 is housed in the recessed receiving cavity 100'.

[0225] Please combine Figures 48-51 Understandably, in this embodiment, the plug connector may specifically include a housing 301, at least two third plug terminals 302, and a plurality of fourth plug terminals 303.

[0226] The housing 301 may include a second plug mating surface 305 and a housing back surface 306; a portion of the second plug mating surface 305 extends in the mating direction to form a fourth plug terminal group mating cavity 307, the fourth plug terminal group mating cavity 307 having a fourth sub-matting surface 308.

[0227] The third plug terminal 302 is partially disposed within the housing 301, and in the mating direction, the first end of the third plug terminal 302 (the end closer to the fourth sub-mating surface 308) is higher than the fourth sub-mating surface 308. The fourth plug terminal 303 is disposed within the mating cavity 307 of the fourth plug terminal group. The longitudinal axis of the third plug terminal 302 and the longitudinal axis of the fourth plug terminal 303 extend in a straight line along the back surface 306 of the housing towards the second plug mating surface 305.

[0228] It is worth noting that the plug connector is also provided with a pair of spring arms 304. The pair of spring arms 304 are provided on opposite sides of the housing 301; wherein, the side of each spring arm 304 near the second plug mating surface 305 is not higher than the second plug mating surface 305.

[0229] As an example, such as Figure 48 and Figure 49 As shown, the housing 301 may also include a pair of housing sides 309, which are located opposite each other on both sides of the housing 301. A pair of spring arms 304 may be correspondingly disposed on the housing sides 309, and the rear half of the spring arm 304 may be integrally formed with a push rod 304a.

[0230] For further information, please refer to [link / reference]. Figures 48-51 The housing 301 may also include a pair of protective parts 310, which are correspondingly disposed on the side 309 of the housing to protect the projectile arm 304.

[0231] Specifically, each protective part 310 may include a pair of sidewalls 310a and a top 310b. The sidewalls 310a are located on both sides of the spring arm 304 and stand upright on the side surface 309 of the housing; the top 310b spans the gap between the upper ends of the sidewalls 310a to cover the front half of the spring arm 304.

[0232] As an example, such as Figure 49 As shown, an inner groove 304b can be formed on the side of the spring arm 304 facing the corresponding side of the housing 301.

[0233] A rotating shaft 311 is fixedly installed on the side of each housing 301. A torsion spring 312 is sleeved on the outside of the rotating shaft 311. One end of the torsion spring 312 abuts against the inner groove 304b of the corresponding spring arm 304, and the other end abuts against the side of the housing 301.

[0234] Please see Figure 50 It is understood that in this embodiment, the socket housing 100 of the socket connector may also be provided with a pair of snap-fit ​​holes 100a, which are located on opposite sides of the socket housing 100 and are connected to the recessed receiving cavity 100'.

[0235] When the plug connector in this embodiment is used to mate with the socket connector, during the process of the plug connector moving along the mating direction, the spring arm 304 is pressed against by the socket connector and elastically deforms toward the side 309 of the housing.

[0236] When the plug connector reaches the mating position, the spring arm 304 pops out again so that the locking block 304c can be inserted into the locking hole 100a on the socket housing 100, thereby locking and fixing the socket connector to the socket connector.

[0237] To separate the plug connector from the socket connector, press the push rod 304a to cause the spring arm 304 to elastically deform against the side 309 of the housing, thereby moving the locking block 304c out of the latch hole 100a to unlock it.

[0238] In the embodiments of this application, the terminals in the socket connector and plug connector can be selectively applied according to actual needs to meet actual mating requirements. For example, if there is no need in the actual application scenario, the terminals in the relevant positions can be left unused.

[0239] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features of the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0240] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A socket electrical connector, characterized in that, include: A socket body, the socket body including a socket mating surface and a socket back surface, and having a first socket terminal receiving cavity and a second socket terminal group receiving cavity penetrating the socket mating surface and the socket back surface; At least two first socket terminals are disposed within the receiving cavity of the first socket terminal; A second socket terminal group is disposed within a receiving cavity of the second socket terminal group; wherein the second socket terminal group includes at least one second socket female terminal and at least one second socket male terminal, the second socket female terminal is disposed within a sub-receiving cavity of the receiving cavity of the second socket terminal group; the side of the sub-receiving cavity near the socket mating surface is lower than the socket mating surface and higher than the end of the second socket male terminal near the socket mating surface; The longitudinal axis of the first socket terminal and the longitudinal axis of each terminal in the second socket terminal group extend in a straight line along the back of the socket toward the socket mating surface.

2. The socket electrical connector according to claim 1, characterized in that, The second socket terminal group includes at least two second socket male terminals, each of which is distributed along the outer periphery of the second socket female terminal.

3. The socket electrical connector according to claim 1, characterized in that, The virtual connection between any two of the first socket terminals and the second socket female terminal forms a triangle.

4. The socket electrical connector according to claim 1, characterized in that, The number of the first socket terminals is at least three; wherein at least one of the first socket terminals is not on the same straight line as the other first socket terminals.

5. The socket electrical connector according to claim 1, characterized in that, The first socket terminal includes a floating part, a first connecting part, and a first socket contact part connected in sequence; The floating part includes a floating base connected to the first connecting part. The floating base extends from a first end toward a direction away from the first socket contact part with a plurality of spaced elastic floating pieces. The first end is the end of the first connecting part away from the first socket contact part.

6. The socket electrical connector according to claim 1, characterized in that, The first socket terminals include: The main body of the first socket terminal; A sliding contact portion includes a C-shaped base and a retaining ring; the C-shaped base extends from the side near the first socket terminal body to form a plurality of spaced elastic arms that are connected to one end of the first socket terminal body, and the C-shaped base extends from the side away from the first socket terminal body to form a plurality of spaced contact pieces; the retaining ring is sleeved on the outside of the C-shaped base. A second socket contact portion is connected to the other end of the first socket terminal body.

7. The socket electrical connector according to claim 1 or 5, characterized in that, The second socket female terminal includes a first mating part, a first spring, a sleeve part, and a third socket contact part; one end of the first spring abuts against the first mating part, and the other end abuts against the sleeve part, so that the first mating part can move elastically in the extending direction of the sleeve part, and the third socket contact part is connected to the sleeve part.

8. The socket electrical connector according to claim 1, characterized in that, The first socket terminals include: One main body, having a crown spring cavity; A crown spring is disposed within the crown spring cavity; The crown spring includes: Two rings and a plurality of first springs connected between the two rings, each of the first springs having an inwardly recessed first contact point; A plurality of second reeds, each second reed including a fixed end formed on a ring and a free end extending from the fixed end toward another ring, each free end first tilting inward and then tilting outward to form a second contact point; The planes formed by each of the first contact points are parallel to, but do not overlap with, the planes formed by each of the second contact points.

9. The socket electrical connector according to claim 1, characterized in that, The socket connector further includes a second socket terminal group seal, which is disposed within the receiving cavity of the second socket terminal group; The second socket terminal block seal has at least one first through hole for inserting the female terminal of the second socket and at least one second through hole for inserting the male terminal of the second socket.

10. A plug-type electrical connector, characterized in that, include: A plug body, the plug body including a first plug mating surface and a plug back surface; A portion of the first plug mating surface extends in the mating direction to form a second plug terminal group mating cavity, the second plug terminal group mating cavity having a second sub-mating surface; At least two first plug terminals are disposed in the plug body; Multiple second plug terminals are disposed in the mating cavity of the second plug terminal group; The longitudinal axis of the first plug terminal and the longitudinal axis of the second plug terminal extend in a straight line along the back of the plug toward the mating surface of the first plug. In the mating direction, the first end of the first plug terminal is higher than the second sub-mating surface, and the first end of the first plug terminal is the end that is closer to the second sub-mating surface.

11. The plug electrical connector according to claim 10, characterized in that, At least one of the first ends of the first plug terminal is higher than the first ends of the other first plug terminals.

12. The plug electrical connector according to claim 10, characterized in that, The first plug terminal includes: First plug terminal body; The first plug contact portion extends from one end of the first plug terminal body toward the mating direction. The first plug terminal sealing structure is sleeved on the outer side of the first plug contact portion near the end of the first plug terminal body.

13. The plug electrical connector according to claim 12, characterized in that, The first plug contact portion includes a first sub-contact portion and a second sub-contact portion connected together; the orthographic projection of the first sub-contact portion on the first plug mating surface falls within the range of the orthographic projection of the second sub-contact portion on the first plug mating surface.

14. A plug-type electrical connector, characterized in that, include: A housing, the housing including a second plug mating surface and a housing back surface; A portion of the second plug mating surface extends in the mating direction to form a fourth plug terminal group mating cavity, the fourth plug terminal group mating cavity having a fourth sub-mating surface; At least two third plug terminals, portions of which are disposed within the housing; In the mating direction, the first end of the third plug terminal is higher than the fourth sub-mating surface; wherein, the first end of the third plug terminal is the end closer to the fourth sub-mating surface; Multiple fourth plug terminals are disposed in the mating cavity of the fourth plug terminal group; The longitudinal axis of the third plug terminal and the longitudinal axis of the fourth plug terminal extend in a straight line along the back of the housing toward the mating surface of the second plug. A pair of spring arms are disposed on opposite sides of the housing; wherein the side of each spring arm closest to the second plug mating surface is not higher than the second plug mating surface.

15. The plug connector according to claim 14, characterized in that, The housing also includes: A pair of housing sides are located opposite each other on both sides of the housing; the spring arms are correspondingly disposed on the housing sides, and the rear half of the spring arms is integrally formed with a push rod; A pair of protective parts are correspondingly disposed on the side of the housing to protect the spring arm; Each of the protective parts includes a pair of sidewalls and a top; the sidewalls are located on both sides of the spring arm and stand upright on the side of the housing, and the top spans the gap between the upper ends of the sidewalls to cover the front half of the spring arm.

16. The plug connector according to claim 15, characterized in that, The spring arm has an inner groove on one side facing the corresponding side of the housing. A rotating shaft is fixedly installed on the side of each housing. A torsion spring is sleeved on the outside of the rotating shaft. One end of the torsion spring abuts against the inner groove of the corresponding spring arm, and the other end abuts against the side of the housing.

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