Plug connector and assembly thereof

Abstract

The utility model discloses a plug connector and an assembly thereof, comprising a pedestal, the periphery of which is defined by an upper surface, a lower surface, a left side surface, a right side surface, a front surface and a rear surface; the terminals comprise a plurality of small terminals and a pair of large terminals, the small terminals are installed in the base and connected with the electric wire extending out of the rear surface of the base, and the large terminals are installed at the left end and the right end of the base; wherein each large terminal comprises a plate-shaped main body part, a first contact part and a second contact part, the main body part comprises a transverse plate part and a vertical plate part, the transverse plate part is connected with the first contact part, the first contact part is elastically arranged on the outer side of the front surface of the base, the vertical plate part is connected with the second contact part, and the second contact part is elastically arranged on the outer side of the front surface of the base. And the second contact parts are elastically arranged on the outer sides of the left side surface and the right side surface of the base. Compared with the prior art, the plug connector required to be protected is provided with the elastic sheet contact type large terminal, so that the current flowing capacity is improved while the contact area of the terminal is increased.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and in particular to a plug connector and its components. Background Technology

[0002] As electronic devices, especially portable consumer electronics, communication devices, and high-density servers, rapidly develop towards thinner, lighter, smaller, and higher-performance designs, they place higher demands on the integration and performance of their internal electronic components. Connectors, as key basic components for achieving electrical connections and signal transmission between circuits, will inevitably see their development trend focused on continuously reducing spacing and size while improving their electrical transmission performance.

[0003] Currently, WTB small-pitch connectors, widely used in the industry, achieve high-density wiring connections within a limited space due to their compact structure and ease of automated assembly. However, due to their inherent design limitations, these connectors have a significant bottleneck in current-carrying capacity. Specifically, the small cross-sectional area of ​​their terminals, contact point design, and material selection collectively limit their current-carrying capacity, resulting in a typical rated current of only 5A or less.

[0004] This technical limitation severely restricts its use in advanced applications requiring high current power supply. Therefore, there is an urgent need in the field for an innovative connector solution that can overcome the current limitations of existing technologies and significantly improve current carrying capacity while maintaining the advantages of WTB connectors such as small pitch and high density, in order to meet the development requirements of next-generation electronic devices. Utility Model Content

[0005] In view of the above-mentioned technical problems, this application provides a socket connector and its components, which can significantly improve the current flow capability.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is: a plug connector, comprising:

[0007] A base, the periphery of which is defined by an upper surface, a lower surface, a left side surface, a right side surface, a front surface, and a rear surface;

[0008] The terminal includes a plurality of small terminals and a pair of large terminals. The small terminals are installed inside the base and connected to wires extending from the rear surface of the base. The large terminals are installed at the left and right ends of the base.

[0009] Each large terminal comprises a plate-shaped main body part, a first contact part and a second contact part, the main body part comprises a horizontal plate part and a vertical plate part, the horizontal plate part is connected with the first contact part, the first contact part is elastically arranged outside the front surface of the base, the vertical plate part is connected with the second contact part, and the second contact part is elastically arranged outside the left side and the right side of the base.

[0010] Further, a first elastic expansion part is arranged between the first contact part and the horizontal plate part, the first elastic expansion part drives the first contact part to expand and contract along the width direction of the base, and a second elastic expansion part is arranged between the second contact part and the vertical plate part, the second elastic expansion part drives the second contact part to expand and contract along the length direction of the base.

[0011] Further, the first contact part and / or the second contact part are provided with at least two.

[0012] Further, the main body part further comprises a fixing part, the fixing part extends from the side edge of the vertical plate part along the length direction of the base, and the fixing part is used for fixedly connecting with the base.

[0013] Further, the upper surface of the base is provided with a plurality of clamping grooves, the upper surface of the small terminal is provided with a clamping part which is upwardly lifted, the clamping part is clamped with the clamping grooves in a matched mode, the lower part of the small terminal is provided with a clamping contact part which can be elastically moved, the lower part of the base is provided with a plurality of grooves which are formed along the edges of the front surface and the lower surface of the base, and the clamping contact part is arranged in correspondence with the grooves.

[0014] In addition, the application further provides a connector assembly, which comprises the plug connector and the socket connector which is embeddedly connected with the plug connector.

[0015] The socket connector comprises a mating base and a mating terminal.

[0016] The mating base comprises an accommodating space which is open at the upper surface and is used for accommodating the plug connector, a bottom wall part, a pair of side wall parts and a front wall part, the side wall parts define at least a part of the left and right sides of the accommodating space, and the front wall part defines at least a part of the front side of the accommodating space.

[0017] The mating terminal comprises a plurality of mating small terminals and mating large terminals, the mating small terminals are arranged in the front wall part and abut on the upper surface of the bottom wall part, and the mating large terminals are respectively arranged on the front wall part and the pair of side wall parts.

[0018] The mating large terminals are electrically connected with the large terminals, and the mating small terminals are electrically connected with the small terminals.

[0019] Furthermore, the docking terminal includes a mounting portion and a contact portion. The mounting portion is inserted into the front wall portion or the side wall portion, and the contact portion is exposed within the receiving space for electrical connection with the first contact portion or the second contact portion.

[0020] Furthermore, the mounting portion and contact portion of the docking large terminal are integrally connected to form an inverted U-shaped structure.

[0021] Furthermore, the front wall portion has several mounting slots arranged side by side near the bottom wall portion, and the docking small terminal is installed in the mounting slots. The bottom wall portion has several guide slots for positioning and guiding the docking small terminal.

[0022] The beneficial effects of this utility model are as follows: by setting multiple contact parts in the plug connector and using large terminals with spring-type contacts, the current flow capacity is further increased while increasing the terminal contact area, and it is easy to produce, thus having great production and use value. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the plug connector in an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the plug connector from another perspective in an embodiment of this utility model;

[0025] Figure 3 This is an exploded view of the plug connector in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the large terminal structure of the plug connector in an embodiment of this utility model;

[0027] Figure 5 This is a schematic diagram of the small terminal structure of the plug connector in an embodiment of this utility model;

[0028] Figure 6 This is a schematic diagram of the overall structure of the connector assembly in an embodiment of this utility model;

[0029] Figure 7 This is a schematic diagram of the plug connector pre-installed on the socket connector in an embodiment of this utility model;

[0030] Figure 8 This is a schematic diagram of the socket connector in an embodiment of the present utility model;

[0031] Figure 9 This is an exploded view of the socket connector in an embodiment of the present invention;

[0032] Figure 10This is a structural schematic diagram of the socket connector from another perspective in an embodiment of this utility model;

[0033] Figure label:

[0034] 01-Plug connector,

[0035] 1-Base, 10-Upper surface, 11-Lower surface, 12-Front surface, 13-Rear surface, 14-Left side, 15-Right side, 16-Large terminal, 100-Slot, 110-Slot, 160-Main body, 161-Horizontal plate, 165-Vertical plate, 162-First contact part, 163-Second contact part, 1612-First elastic telescopic part, 1613-Second elastic telescopic part, 164-Fixing part, 17-Small terminal, 170-Locking part, 171-Clamping contact part, 172-Wire clamping part;

[0036] 02-Socket connector,

[0037] 2-Matching base, 20-Bottom wall, 21-Front wall, 22-Left side wall, 23-Right side wall, 24-Matching small terminal, 25-Matching large terminal, 200-Guide groove, 201-Accommodation space, 210-Front wall mounting hole, 211-Mounting groove, 220-Left wall mounting hole, 230-Right wall mounting hole, 240-Hook, 250-Mounting part, 251-Contact part. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] In this embodiment, the length direction of the base 1 is defined as the x-direction, the direction perpendicular to it, i.e., the width direction, is defined as the y-direction, and the thickness direction of the base 1 is defined as the z-direction. In this embodiment, the definition of direction is relative to the posture shown in the figure. In other postures, the definition of direction changes with the posture, and is not limited here.

[0040] like Figures 1-3As shown, this embodiment describes a plug connector 01, including: a base 1, the base 1 being defined by an upper surface 10, a lower surface 11, a front surface 12, a rear surface 13, a left side surface 14, and a right side surface 15; the base 1 is provided with a plurality of terminals, the terminals including a plurality of small terminals 17 and a pair of large terminals 16, the small terminals 17 being installed in the base 1 and used to connect to wires (not shown in the figure) extending from the rear surface 13 of the base 1, and the large terminals 16 being installed at the left and right ends of the base 1.

[0041] Combination Figure 4 Each large terminal 16 includes a plate-shaped main body 160 extending through the front and rear surfaces of the base 1. The main body 160 includes an integrally connected horizontal plate 161 and vertical plate 165. The horizontal plate 161 is connected to a first contact portion 162, which elastically expands and contracts along the Y direction on the front surface 12 of the base 1. The vertical plate 165 is connected to a second contact portion 163, which is located outside the left side 14 and right side 15 of the base 1 and elastically expands and contracts along the X direction.

[0042] Continue to refer to Figure 4 A first elastic telescopic portion 1612 is provided between the first contact portion 162 and the horizontal plate portion 161, and a second elastic telescopic portion 1613 is provided between the second contact portion 163 and the vertical plate portion 165. The first elastic telescopic portion 1612 and / or the second elastic telescopic portion 1613 are U-shaped or V-shaped, and can also be set to any shape according to actual needs. In this embodiment, there are two first contact portions 162 and two second contact portions 163. Of course, more can be set according to actual needs. The specific number is not limited here. The setting of multiple contact portions can increase the contact area, thereby improving the flow capacity. In addition, the setting of elastic telescopic portions can ensure elastic contact between terminals and generate continuous and stable contact pressure. When the position of the terminal changes due to vibration, thermal expansion and contraction or slight wear, the elastic telescopic portion can automatically deform to compensate, always maintaining a tight fit between the contact surfaces.

[0043] like Figures 1-2 and Figure 5 As shown, the upper surface 10 of the base 1 is provided with several slots 100, and the upper surface 10 of the small terminal 17 is provided with an upwardly lifting locking part 170, which engages with the slots 100; one lower end of the small terminal 17 is provided with a clamping contact part 171 that can move elastically, and the lower part of the base 1 is provided with several slots 110 formed along the edge formed by its front surface 12 and lower surface 11, the clamping contact part 171 is correspondingly provided with the slots 110, and is used for electrical connection with the mating small terminal 24 of the socket connector 02 (see below for details), and the other end is provided with a wire clamping part 172 that can be connected to the wire.

[0044] This application also provides an embodiment, such as Figures 6-7As shown, a connector assembly includes a plug connector 01 as described above and a socket connector 02 that is mated and connected thereto. The socket connector 02 includes a mating base 2 and mating terminals.

[0045] like Figure 8 As shown, the docking base 2 includes: an open receiving space 201 on the upper surface for receiving the plug connector 01; a bottom wall portion 20, a pair of side walls (including a left side wall 22 and a right side wall 23) and a front wall portion 21, wherein the left side wall 22 and the right side wall 23 define at least a portion of the left and right sides of the receiving space 201; and the front wall portion 21 defines at least a portion of the front side of the receiving space 201.

[0046] like Figure 9 As shown, the mating terminals include several small mating terminals 24 and large mating terminals 25. The small mating terminals 24 are disposed within the front wall portion 21 and abut against the upper surface of the bottom wall portion 20. The front wall portion 21 has front wall mounting holes 210 on both ends in the x-direction, and left wall mounting holes 220 and right wall mounting holes 230 are respectively provided on the left side wall 22 and right side wall 23. The large mating terminals 25 are respectively installed in the front wall mounting holes 210, left wall mounting holes 220 and right wall mounting holes 230. Several mounting grooves 211 are arranged side by side on the front wall portion 21 near the bottom wall portion 20 for installing the small mating terminals 24 therein. Several guide grooves 200 are provided on the upper surface of the bottom wall portion 20 corresponding to the mounting grooves 211 for positioning and guiding the small mating terminals 24. Figure 10 As shown, the end of the mating small terminal 24 is also provided with a hook 240 for engaging with the lower end of the mounting groove 211. When the plug connector 01 and the socket connector 02 are mated and connected, the mating small terminal 24 is inserted into the clamping contact portion 171 of the small terminal 17 to realize the electrical connection between the two.

[0047] Further reference Figure 9 The large terminal 25 includes a mounting portion 250 and a contact portion 251. The mounting portion 250 is inserted into the front wall portion 21, the left side wall 22, and the right side wall 23. The contact portion 251 is exposed within the receiving space 201 and is used for elastic electrical connection with the first contact portion 162 and the second contact portion 163.

[0048] As a preferred embodiment, the mounting portion 250 and the contact portion 251 of the mating large terminal 25 are integrally connected to form an inverted U-shaped structure, which is used to stably snap onto the front wall portion 21, the left side wall 22, and the right side wall 23.

[0049] The connector assembly in this embodiment integrates multiple sets of high-current terminals within a compact plug connector 01, which are mated together with the socket connector 02, successfully achieving a 2+4 current carrying capacity of 20A high current in a small-volume connector.

[0050] 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 in 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.

[0051] In the description of this application, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the meaning of the above terms in this application according to the specific circumstances.

[0052] In the description of this embodiment, the terms "upper," "lower," "front," and "rear," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. The terms "first" and "second" are used only for distinction in description and have no special meaning.

[0053] The embodiments described above are merely illustrative of the implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of protection of this 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 modifications and improvements all fall within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the appended claims.

Claims

1. A plug connector, characterized in that, include: A base, the periphery of which is defined by an upper surface, a lower surface, a left side surface, a right side surface, a front surface, and a rear surface; The terminal includes a plurality of small terminals and a pair of large terminals. The small terminals are installed inside the base and connected to wires extending from the rear surface of the base. The large terminals are installed at the left and right ends of the base. Each large terminal includes a plate-shaped main body, a first contact portion, and a second contact portion. The main body includes a horizontal plate portion and a vertical plate portion. The horizontal plate portion is connected to the first contact portion, which is elastically disposed on the outer side of the front surface of the base. The vertical plate portion is connected to the second contact portion, which is elastically disposed on the outer side of the left and right sides of the base.

2. The plug connector according to claim 1, characterized in that: A first elastic telescopic part is also provided between the first contact part and the horizontal plate part. The first elastic telescopic part drives the first contact part to extend and retract along the width direction of the base. A second elastic telescopic part is also provided between the second contact part and the vertical plate part. The second elastic telescopic part drives the second contact part to extend and retract along the length direction of the base.

3. The plug connector according to claim 1 or 2, characterized in that: The first contact portion and / or the second contact portion are provided with at least two.

4. The plug connector according to claim 1, characterized in that: The main body also includes a fixing part, which extends from the side of the vertical plate along the length of the base and is used to fix it to the base.

5. The plug connector according to claim 1, characterized in that: The upper surface of the base is provided with several slots, and the upper surface of the small terminal is provided with an upwardly lifting locking part, which mates with the slots; the lower part of the small terminal is provided with a clamping contact part that can move elastically, and the lower part of the base is provided with several slots formed along the edges formed by its front and lower surfaces, and the clamping contact part is correspondingly provided with the slots.

6. A connector assembly, characterized in that: Includes the plug connector as described in any one of claims 1-5 and the socket connector therewith.

7. The connector assembly according to claim 6, characterized in that: The socket connector includes a mating base and mating terminals; The docking base includes: an open receiving space on the upper surface for accommodating the plug connector; The space includes a bottom wall, a pair of side walls, and a front wall, wherein the side walls define at least a portion of the left and right sides of the receiving space; and the front wall defines at least a portion of the front side of the receiving space. The docking terminal includes a plurality of small docking terminals and large docking terminals. The small docking terminals are disposed inside the front wall portion and abut against the upper surface of the bottom wall portion. The large docking terminals are respectively installed on the front wall portion and a pair of side wall portions. The large terminals are electrically connected to each other, and the small terminals are electrically connected to each other.

8. The connector assembly according to claim 7, characterized in that: The large docking terminal includes a mounting portion and a contact portion. The mounting portion is inserted into the front wall portion or the side wall portion, and the contact portion is exposed within the receiving space for electrical connection with the first contact portion or the second contact portion.

9. The connector assembly according to claim 8, characterized in that: The mounting portion and contact portion of the docking terminal are integrally connected to form an inverted U-shaped structure.

10. The connector assembly according to claim 7, characterized in that: The front wall portion has several mounting slots arranged side by side near the bottom wall portion, and the docking small terminal is installed in the mounting slots. The bottom wall portion has several guide slots for positioning and guiding the docking small terminal.

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