A floating female connector

Abstract

The utility model discloses a kind of floating female seat connectors, including shielding shell, fixed pedestal, terminal and floating pedestal;The top of shielding shell is equipped with elastic arm, and bottom is welded on circuit board;Fixed pedestal includes first long side structure and first short side structure, and the lower end surface of both ends of fixed pedestal along its length direction is concave to form limit mesa, and limit mesa includes limit boss, and terminal is elastically supported in fixed pedestal with floating pedestal;Floating pedestal includes floating frame and center island part, and floating frame is abutted on limit mesa, and the periphery of center island part is equipped with limit groove, and when floating pedestal occurs floating, limit groove and limit boss clearance fit and form stroke limit structure.The connector not only can utilize internal space to the greatest extent, provide sufficient floating space in the horizontal plane direction of connector, but also guarantee reliable locking in vertical direction, further improve the plug stability and electrical reliability of connector.

Description

Technical Field

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

[0002] With the development of society, people's demand for consumer electronics products is increasing. Terminal products such as smartphones and wearable devices continue to iterate towards "thinner and lighter". As a core component for interconnection between PCB boards in electronic devices, floating board-to-board connectors can effectively compensate for assembly tolerances and absorb vibration shocks. Their technological evolution has always been deeply tied to the performance upgrade and structural optimization of terminal products. The progress of consumer electronics products has also driven the development of floating board-to-board connectors towards greater precision, smaller size and higher reliability.

[0003] Currently, floating board-to-board connectors generally employ a structure design with two raised plastic retainers to limit vertical displacement. This double-raised-bulb retainer structure significantly limits the floating distance in the horizontal direction. To meet the floating distance requirements specified in the product design, a larger structural space must be reserved inside the connector to avoid the influence of the raised bumps on the floating amount. This results in a significant increase in the overall size of the connector, making it unsuitable for the increasingly stringent miniaturization requirements of end products. At the same time, it leads to insufficient vertical limiting accuracy, causing the connector to easily move vertically during insertion, removal, and use, thereby affecting insertion stability and electrical connection reliability.

[0004] Therefore, this utility model proposes a floating female connector structure design, which can not only make the maximum use of the internal space of the connector and provide sufficient clearance for the horizontal floating of the connector, but also ensure reliable locking in the vertical direction, thereby improving the insertion and removal stability and electrical reliability of the connector. Utility Model Content

[0005] The purpose of this invention is to design a floating female connector to solve the problems of the prior art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A floating female connector is provided, comprising a shielding shell, a fixed base, terminals, and a floating base; the bottom of the shielding shell is soldered to a circuit board, and the top of the shielding shell is provided with an elastic arm; the fixed base is disposed inside the shielding shell, and the fixed base includes two first long side structures and two first short side structures arranged opposite each other. The lower end faces of both ends of the fixed base along its length direction are recessed to form limiting platforms, and the limiting platforms include limiting bosses extending into the fixed base; the terminals elastically support the floating base within the fixed base; the floating base includes a floating frame and a central island, the floating frame is restricted below the limiting platforms, and a limiting groove is formed on the periphery of the central island. When the floating base floats, the limiting groove and the limiting bosses are clearance-fitted to form a travel limiting structure.

[0008] Furthermore, there are four floating frames, which extend obliquely outward from the four corners of the floating base and are symmetrically arranged along the central axis of the floating base.

[0009] Furthermore, a floating gap is reserved between the floating base and the fixed base so that the floating base can be offset relative to the fixed base along the length and width directions of the connector by a preset amount, thereby achieving plugging position error compensation.

[0010] Furthermore, when the floating base floats and displaces along the length and / or width of the connector, at least three of the four floating frames always rest against the limiting platform.

[0011] Furthermore, the limiting boss has a U-shaped structure, and the open end of the U-shaped structure faces the center of the fixed base.

[0012] Furthermore, the central island includes two opposing second long side structures and two opposing second short side structures, the second long side structures and the second short side structures enclosing each other to form an insertion interface, the insertion interface being used for alignment and insertion with a male connector.

[0013] Furthermore, the bottom of the shielding shell extends outward to provide a first welding part, which is welded to the circuit board; the second long side structure is provided with a plurality of receiving grooves along the length direction of the connector, and the first long side structure is provided with a plurality of fixing grooves corresponding to the receiving grooves, and the two ends of the terminal are respectively installed in the receiving grooves and fixing grooves.

[0014] Furthermore, the second welding part is welded to the circuit board, and the terminal includes a second welding part, a fixed part, a floating part and an elastic part connected in sequence. The fixed part is snapped and fixed in the fixed groove, the floating part is placed in the floating gap, and the floating part and the elastic part are both supported and abutted in the receiving groove. The elastic part extends into the insertion interface for elastic conductive contact with the inserted male connector.

[0015] Furthermore, the elastic arm of the shielding shell protrudes from the top of the shielding shell. When the male connector is plugged into the interface, the elastic arm elastically abuts against the shielding plate on the male connector to achieve shielding and conduction.

[0016] Furthermore, the inner side of the shielding shell is provided with a fixing buckle, and the first long side structure is provided with a buckle groove at the corresponding position. The fixing buckle is snapped and fixed in the buckle groove to realize the assembly of the shielding shell and the fixing base.

[0017] The beneficial effects of this utility model are as follows: This utility model provides a floating female connector. The floating base has four floating frames. When the floating base floats and moves along the length and width directions of the connector, at least three of the four floating frames always abut against the limiting platform. The floating frames are restricted below the limiting platform, realizing the vertical limiting of the connector and improving the insertion and removal stability and electrical reliability of the floating connector. A limiting groove is formed on the periphery of the central island on the floating base, and a limiting boss that matches the limiting groove is provided at the corresponding position on the fixed base. The limiting groove and the limiting boss form a built-in stroke limiting structure. This limiting structure is integrated inside the base, eliminating the need for additional limiting components. The overall structure is simplified and compact, effectively reducing the overall volume of the connector and meeting the development needs of increasingly miniaturized connectors. At the same time, the floating base can automatically compensate for the alignment deviation when the male and female connectors are inserted, greatly improving the insertion fault tolerance. In addition, the limiting boss and the limiting groove cooperate with each other to realize secondary limiting of the connector in the vertical direction, further improving the insertion and removal stability and electrical reliability of the floating connector. Attached Figure Description

[0018] The following figures are only used to further illustrate the technical solution of this utility model. For those skilled in the art, other related figures can be obtained from these figures without any creative effort. In the figures:

[0019] Figure 1 This is a schematic diagram of the overall structure of a floating female connector of the present invention mounted on a circuit board;

[0020] Figure 2 This is a schematic diagram of the overall structure of a floating female connector according to the present invention;

[0021] Figure 3 This is an exploded view of a floating female connector according to the present invention;

[0022] Figure 4 This is a schematic diagram of the floating base in a floating female connector according to the present invention;

[0023] Figure 5 This is a top view of the fixed base in a floating female connector according to the present invention;

[0024] Figure 6 This is a bottom view of the fixed base in a floating female connector according to this utility model;

[0025] Figure 7 This is a schematic diagram of a single terminal in a floating female connector according to the present invention.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] Shielding shell-1, first welding part-11, elastic arm-12, fixing buckle-13, fixing base-2, first long side structure-21, fixing groove-211, buckle groove-212, first short side structure-22, limiting platform-23, limiting boss-231, receiving cavity-24, terminal-3, second welding part-31, fixing part-32, floating part-33, elastic part-34, floating base-4, floating frame-41, central island part-42, limiting groove-421, second long side structure-422, receiving groove-4221, second short side structure-423, plug-in interface-424, floating gap-5, circuit board-6. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, 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 utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] like Figures 1 to 7 As shown, the specific embodiments of this utility model are as follows:

[0031] This utility model discloses a floating female connector, including a shielding shell 1, a fixed base 2, terminals 3, and a floating base 4. Specifically:

[0032] The shielding shell 1 is integrally stamped from a conductive metal material and has an overall rectangular structure. The bottom outer edge of the shielding shell 1 extends horizontally outward to form multiple first welding parts 11, which are used to be welded and fixed to the surface of the circuit board 6 by surface mount technology. The top of the shielding shell 1 has multiple elastic arms 12 extending upward. The elastic arms 12 bend and protrude into the inner side of the frame of the shielding shell 1 and protrude from the top surface of the shielding shell 1. When the male connector is plugged into the insertion interface 424 of the floating base 4, the elastic arms 12 elastically abut against the shielding plate on the male connector to form a complete shielded conduction circuit, reduce signal interference, and ensure high-speed transmission performance. In addition, the inner side of the shielding shell 1 is provided with an inwardly snapping fixing buckle 13. In this embodiment, there are four fixing buckles 13, which are arranged in pairs opposite each other. The fixing base 2 has a buckle groove 212 at the position corresponding to the fixing buckle 13. After the fixing base 2 is assembled into the inside of the shielding shell 1, the fixing buckle 13 is correspondingly snapped and fixed in the buckle groove 212, so as to realize the axial limiting and stable assembly of the shielding shell 1 and the fixing base 2, and prevent the fixing base 2 from coming out of the shielding shell 1.

[0033] The fixing base 2 is injection molded from insulating plastic and is embedded and fixed in the internal cavity of the shielding shell 1. The fixing base 2 includes two first long side structures 21 and two first short side structures 22 arranged opposite each other, which together form a rectangular receiving cavity 24. The first long side structures 21 extend along the length direction of the connector, and the first short side structures 22 extend along the width direction of the connector. The lower end faces of both ends of the fixing base 2 along its length direction are recessed to form limiting platforms 23. The limiting platforms 23 include limiting bosses 231 extending toward the interior of the fixing base 2. In this embodiment, the limiting bosses 231 are arranged opposite each other, and each limiting boss 231 has a U-shaped structure, with the open end of the U-shaped structure facing the center direction of the fixing base 2.

[0034] The terminal 3 is made of conductive metal material and is formed by stamping and bending. Multiple terminals 3 elastically support the floating base 4 within the fixed base 2 to achieve positioning.

[0035] The floating base 4 is integrally injection molded from insulating plastic. The floating base 4 includes a floating frame 41 and a central island 42 located in the middle. The central island 42 is housed within the receiving cavity 24 of the fixed base 2. In this embodiment, four floating frames 41 are provided. The four floating frames 41 extend obliquely outward from the four corners of the floating base 4 and are symmetrically arranged along the central axis of the floating base 4. Each floating frame 41 abuts against the limiting platform 23, forming a multi-point support floating structure. This ensures that the floating base 4 is subjected to uniform force and remains in a horizontal state, effectively avoiding problems such as unilateral tilting and jamming failure. The floating action is smooth and reliable, with strong consistency in insertion and removal.

[0036] Furthermore, a floating gap 5 is reserved between the outer wall of the floating base 4 and the inner wall of the fixed base 2 along both the length and width directions of the connector. Relying on this floating gap 5, the floating base 4 can generate a preset offset relative to the fixed base 2 along both the length and width directions of the connector, achieving multi-directional floating offset compensation. This offsets the alignment error and assembly tolerance of the male and female connector insertion, significantly improving the insertion tolerance. When the floating base 4 floats and displaces along the length and / or width directions of the connector, at least three of the four floating frames 41 always abut against the limiting platform 23. The floating frame 41 support structure limits the connector in the vertical direction, improving the insertion and removal stability and electrical reliability of the floating connector.

[0037] The central island portion 42 includes two opposing second long side structures 422 and two opposing second short side structures 423. The second short side structures 423 and the second long side structures 422 enclose a rectangular insertion interface 424, which is used for alignment and insertion with a male connector. Additionally, a limiting groove 421 is formed on the outer sidewall of the central island portion 42 at a position corresponding to the limiting boss 231. The limiting groove 421 aligns and engages with the limiting boss 231, with a pre-existing gap between them, forming a built-in travel limiting structure. This limiting structure is integrated inside the base, eliminating the need for additional limiting components. The overall structure is streamlined and compact, effectively reducing the overall size of the connector and meeting the growing demand for miniaturized connectors. Simultaneously, the interaction between the limiting boss 231 and the limiting groove 421 achieves secondary limiting of the connector in the vertical direction, further improving the connector's insertion and removal stability and electrical reliability.

[0038] Furthermore, the second long side structure 422 is provided with a plurality of receiving slots 4221 at equal intervals along the length direction of the connector, and the first long side structure is provided with a plurality of fixing slots corresponding to the receiving slots. The two ends of the terminal are respectively installed in the receiving slots and fixing slots. The terminal 3 includes a second welding part 31, a fixing part 32, a floating part 33 and an elastic part 34 connected in sequence. The second welding part 31 is welded and fixed to the circuit board 6 to realize the signal circuit conduction. The fixing part 32 is snapped and fixed in the fixing slot 211 to realize the positioning of the terminal 3. The floating part 33 is suspended in the floating gap 5 and has elastic deformation margin. The floating part 33 and the elastic part 34 are both supported and abutted against the inner wall support surface of the receiving slot 4221. The free end of the elastic part 34 extends into the plug interface 424. When the male connector is inserted into the plug interface 424, the elastic part 34 is squeezed and generates elastic deformation, forming a stable elastic conductive abutment with the contact terminal of the male connector.

[0039] The embodiments described above merely illustrate the implementation of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A floating female connector, characterized in that, Includes a shielding shell, a fixed base, terminals, and a floating base; The bottom of the shielding shell is welded to the circuit board, and the top of the shielding shell is provided with an elastic arm; The fixed base is disposed inside the shielding shell. The fixed base includes two first long side structures and two first short side structures arranged opposite to each other. The lower end faces of the fixed base at both ends along its length direction are recessed to form a limiting platform. The limiting platform includes a limiting boss extending into the fixed base. The terminal elastically supports the floating base within the fixed base; The floating base includes a floating frame and a central island. The floating frame is restricted below the limiting platform. A limiting groove is formed on the periphery of the central island. When the floating base floats, the limiting groove and the limiting boss are clearance-fitted to form a travel limiting structure.

2. The floating female connector according to claim 1, characterized in that, The floating frame is provided in four parts, which extend obliquely outward from the four corners of the floating base and are symmetrically arranged along the central axis of the floating base.

3. A floating female connector according to claim 2, characterized in that, A floating gap is reserved between the floating base and the fixed base so that the floating base can be offset relative to the fixed base along the length and width directions of the connector by a preset amount, thereby achieving plugging position error compensation.

4. A floating female connector according to claim 3, characterized in that, When the floating base floats and moves along the length and / or width of the connector, at least three of the four floating frames always rest against the limiting platform.

5. A floating female connector according to claim 4, characterized in that, The limiting boss has a U-shaped structure, and the open end of the U-shaped structure faces the center of the fixed base.

6. A floating female connector according to claim 5, characterized in that, The central island includes two oppositely arranged second long side structures and two oppositely arranged second short side structures. The second long side structures and the second short side structures enclose and form a plug-in interface, which is used for alignment and insertion with a male connector.

7. A floating female connector according to claim 6, characterized in that, The bottom of the shielding shell extends outward and is provided with a first welding part, which is welded to the circuit board; the second long side structure is provided with a plurality of receiving grooves along the length direction of the connector, and the first long side structure is provided with a plurality of fixing grooves corresponding to the receiving grooves; the two ends of the terminal are respectively installed in the receiving grooves and fixing grooves.

8. A floating female connector according to claim 7, characterized in that, The terminal includes a second welding part, a fixing part, a floating part, and an elastic part connected in sequence. The second welding part is welded to the circuit board. The fixing part is snapped into the fixing groove. The floating part is placed in the floating gap. The floating part and the elastic part are both supported and abutted in the receiving groove. The elastic part extends into the insertion interface for elastic conductive contact with the inserted male connector.

9. A floating female connector according to claim 8, characterized in that, The elastic arm of the shielding shell protrudes from the top of the shielding shell. When the male connector is plugged into the interface, the elastic arm elastically abuts against the shielding plate on the male connector to achieve shielding and conduction.

10. A floating female connector according to claim 1, characterized in that, The inner side of the shielding shell is provided with a fixing buckle, and the first long side structure is provided with a buckle groove at the corresponding position. The fixing buckle is snapped into the buckle groove to realize the assembly of the shielding shell and the fixing base.

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