Type-C connector inner core capable of preventing PIN from being warped
By setting a head adhesive block at the tip of the core of the Type-C connector to cover the contact gold fingers, the problem of pin lifting in traditional Type-C connector assembly is solved, thereby improving the stability and service life of the connector.
Patent Information
- Application Number
- CN202520470248.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional Type-C connectors are prone to issues during assembly where the tips of the upper and lower rows of terminals are not fully embedded in the core, leading to pin lifting during insertion and removal, which affects the stability and lifespan of the connector.
A head adhesive block is provided at the head end of the adhesive core. The head ends of the first and second contact gold fingers are covered inside the first and second bumps by a molding process to avoid insufficient adhesive, enhance the connection firmness, and prevent the pins from lifting.
It effectively prevents the pins of the Type-C connector from warping under friction, tension, or torque, ensuring stable transmission and extending the connector's lifespan.
Smart Images

Figure CN223956900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of connector, especially relates to a Type-C connector inner core of preventing PIN warping. BACKGROUND
[0002] USB is a kind of serial bus standard, it is also a kind of input and output interface technical specification, USB Type-C connector is a kind of interface form supporting USB interface double-face insertion, solves the problem of USB insertion.
[0003] The internal structure such as upper row terminal, lower row terminal and glue core of traditional Type-C connector is usually assembled by using the following two connection modes: the first is that upper row terminal, lower row terminal and glue core are inserted and assembled;The second is that upper row terminal and upper row glue core are first molded in the first time, then lower row terminal and lower row glue core are molded in the second time, and finally upper terminal glue core module, lower terminal glue core module and middle clamping piece are assembled.But, the two connection modes all have the following defects: the head end of the assembled upper row terminal and lower row terminal can not be completely embedded in the glue core due to the lack of glue, so that in the process of plugging Type-C connector, the contact part of terminal is easy to bend and deform under the action of friction, pulling force or torsion force, that is, PIN warping phenomenon, leading to Type-C connector unable to be connected correctly. UTILITY MODEL CONTENTS
[0004] The utility model provides a Type-C connector inner core of preventing PIN warping, can guarantee the head end of terminal to be covered, prevents the first contact gold finger, second contact gold finger and deforms under the action of friction, pulling force or torsion force.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme:
[0006] A Type-C connector inner core of preventing PIN warping, comprising:
[0007] A plurality of arranged first terminals, the head end of each first terminal is provided with a first contact gold finger;
[0008] First terminal glue block, the first terminal glue block is integrally embedded with a plurality of first terminals to form a first component, and the head end of the first terminal glue block is provided with a plurality of first positioning notches, the upper half of each first contact gold finger is exposed above the first terminal glue block, the lower half of each first contact gold finger is embedded in the first terminal glue block, and the head end of each first contact gold finger protrudes from the head end surface of the first terminal glue block;
[0009] A plurality of arranged second terminals, each second terminal is provided with a second contact gold finger at the head end thereof;
[0010] A second terminal rubber block, the second terminal rubber block is integrally inlaid and formed with the plurality of second terminals to form a second component, and a plurality of second positioning notches are arranged at the head end of the second terminal rubber block, the lower half of each second contact gold finger is exposed below the second terminal rubber block, the upper half of each second contact gold finger is embedded in the second terminal rubber block, and the head end of each second contact gold finger is protruded from the head end surface of the second terminal rubber block;
[0011] A middle clamping sheet, the middle clamping sheet is located between the first component and the second component, and the middle clamping sheet is assembled with the first component and the second component to form a third component;
[0012] A rubber core, the rubber core is integrally inlaid and formed with the third component, and the head end surface of the rubber core is flush with the head end surface of the first terminal rubber block and the second terminal rubber block;
[0013] A head rubber block, the head rubber block is integrally inlaid and formed with the head end of the rubber core, and a plurality of first protrusions for embedding the first contact gold fingers are arranged at the top of the head rubber block, and a plurality of second protrusions for embedding the second contact gold fingers are arranged at the bottom of the head rubber block.
[0014] In some embodiments, the head end of the first contact gold finger is provided with a downward inclined surface at the top thereof, and the head end of the second contact gold finger is provided with an upward inclined surface at the bottom thereof.
[0015] In some embodiments, the rubber core comprises, from front to back, a tongue plate, a positioning portion and a base portion, the head end surface of the tongue plate is flush with the head end surface of the first terminal rubber block and the second terminal rubber block, the tail end of each first terminal is provided with a first soldering leg, and the tail end of each second terminal is provided with a second soldering leg, and the first soldering leg and the second soldering leg are protruded from the bottom of the base portion.
[0016] In some embodiments, the head end of the middle clamping sheet is provided with protruding portions protruded from the side walls of the rubber core.
[0017] Compared with the prior art, the utility model at least realizes the following beneficial effects:
[0018] Compared with the assembling mode of the internal structure of the traditional Type-C connector, the utility model discloses increase the step of the head end integral inlaying forming head part glue block of glue core, through setting up the head part glue block of the head end of glue core, the head end of each first contact gold finger, second contact gold finger is covered, can guarantee that the first contact gold finger, second contact gold finger respectively inlaying bury in the first protruding block, second protruding block of head part glue block, avoid the problem that the head part glue, the first contact gold finger and second contact gold finger fail to completely bury into the glue core, prevent the first contact gold finger and second contact gold finger from bending and deforming under the action force such as friction, pulling force or torsion, that is, prevent the PIN, guarantee the stable transmission of Type-C connector, improve the service life of Type-C connector. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is the structural schematic diagram of the first perspective of the embodiment of the application;
[0020] Fig. 2 It is the structural schematic diagram of the second perspective of the embodiment of the application;
[0021] Fig. 3 It is the connection structural schematic diagram of the first perspective of the head part glue block and glue core of the embodiment of the application;
[0022] Fig. 4 It is the connection structural schematic diagram of the second perspective of the head part glue block and glue core of the embodiment of the application.
[0023] Reference signs in the drawing are: 1, first terminal;11, first contact gold finger;111, downward inclined surface;12, first solder leg;2, first terminal glue block;21, first positioning notch;3, second terminal;31, second contact gold finger;311, upward inclined surface;32, second solder leg;4, second terminal glue block;41, second positioning notch;5, middle clamping piece;51, protruding part;6, glue core;61, tongue plate;62, positioning part;63, base;7, head part glue block;71, first protruding block;72, second protruding block. DETAILED DESCRIPTION
[0024] The utility model will be described in detail below with reference to the exemplary embodiments in the drawings. But it should be known that the present application can be realized through various different forms, and should not be understood as limiting to the embodiments set forth herein. The embodiments are provided herein to make the disclosure of the present application more complete, and to fully convey the concept of the present application to the person skilled in the art.
[0025] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0026] As Figs. 1-4 shown, the inner core of the Type-C connector provided by the embodiment of the present application to prevent the PIN from being warped includes a first terminal 1, a first terminal rubber block 2, a second terminal 3, a second terminal rubber block 4, a middle clamping piece 5, a rubber core 6 and a head rubber block 7.
[0027] The first terminal 1 is provided with a plurality of first terminals 1 arranged in an array, and the head end of each first terminal 1 is provided with a first contact gold finger 11; the first terminal rubber block 2 and the plurality of first terminals 1 are integrally embedded and formed into a first component by a molding process, and the head end of the first terminal rubber block 2 is provided with a plurality of first positioning notches 21, the upper half of each first contact gold finger 11 is exposed above the first terminal rubber block 2, the lower half of each first contact gold finger 11 is embedded in the first terminal rubber block 2, and the head end of each first contact gold finger 11 protrudes from the head end surface of the first terminal rubber block 2.
[0028] The second terminal 3 is provided with a plurality of second terminals 3 arranged in an array, and the head end of each second terminal 3 is provided with a second contact gold finger 31; the second terminal rubber block 4 and the plurality of second terminals 3 are integrally embedded and formed into a second component by a molding process, and the head end of the second terminal rubber block 4 is provided with a plurality of second positioning notches 41, the lower half of each second contact gold finger 31 is exposed below the second terminal rubber block 4, the upper half of each second contact gold finger 31 is embedded in the second terminal rubber block 4, and the head end of each second contact gold finger 31 protrudes from the head end surface of the second terminal rubber block 4.
[0029] The middle clamping piece 5 is located between the first component and the second component, and is assembled with the first component and the second component to form a third component; the glue core 6 is integrally inlaid and formed with the third component through a molding process, and the head end face of the glue core 6 is flush with the head end face of the first terminal glue block 2 and the second terminal glue block 4; the head glue block 7 is integrally inlaid and formed with the head end of the glue core 6 through a molding process, and the head glue block 7 is provided with a plurality of first protrusions 71 for inlaying the first contact gold fingers 11 on the top thereof, and is provided with a plurality of second protrusions 72 for inlaying the second contact gold fingers 31 on the bottom thereof; the first positioning notch 21 at the head end of the first terminal glue block 2 and the second positioning notch 41 at the head end of the second terminal glue block 4 can provide sufficient space for glue flow when the head glue block 7 is formed, thereby avoiding the problem of glue shortage, and can enhance the connection firmness of the head glue block 7 with the glue core 6, the first contact gold fingers 11 and the second contact gold fingers 31 after the head glue block 7 is formed. It should be noted that by providing the head glue block 7 at the head end of the glue core 6, the head ends of the first contact gold fingers 11 and the second contact gold fingers 31 are covered, which can ensure that the first contact gold fingers 11 and the second contact gold fingers 31 are inlaid in the first protrusions 71 and the second protrusions 72 of the head glue block 7 respectively. Compared with the assembly method of the traditional Type-C connector inner core, the step of integrally inlaying and forming the head glue block 7 at the head end of the glue core 6 is added, which avoids the problems of head glue shortage of the assembled Type-C connector inner core, and the first contact gold fingers 11 and the second contact gold fingers 31 not being completely embedded in the glue core 6, prevents the first contact gold fingers 11 and the second contact gold fingers 31 from being bent and deformed under the action of forces such as friction force and torsion force after the Type-C connector is plugged in and out for many times, i.e. prevents PIN warping, ensures stable transmission of the Type-C connector, and improves the service life of the Type-C connector.
[0030] Specifically, the head end top of the first contact gold finger 11 is provided with a downward inclined surface 111, which can enhance the connection firmness of the first contact gold finger 11 with the first protrusion 71; the head end bottom of the second contact gold finger 31 is provided with an upward inclined surface 311, which can enhance the connection firmness of the second contact gold finger 31 with the second protrusion 72.
[0031] Specifically, the glue core 6 includes a tongue plate 61, a positioning portion 62 and a base portion 63 arranged in sequence from front to back, and the head end face of the tongue plate 61 is flush with the head end face of the first terminal glue block 2 and the second terminal glue block 4; the tail end of each first terminal 1 is provided with a first solder leg 12, and the tail end of each second terminal 3 is provided with a second solder leg 32, and the first solder leg 12 and the second solder leg 32 extend from the bottom of the base portion 63.
[0032] Specifically, the head end of the middle clamping piece 5 is provided with a protruding part 51 protruding from the side wall of the rubber core 6. The middle clamping piece 5 is a metal plate, which can separate the upper row of first terminals 1 and the lower row of second terminals 3, and when the Type-C connector is plugged in or out, the side protruding parts 51 on both sides can be in contact with the male connector, reducing the wear of the rubber core 6 by the male connector and improving the service life of the Type-C connector.
[0033] It should be understood that all the above embodiments are exemplary but not limiting, and any modification, equivalent change and modification made by those skilled in the art to the above described specific embodiments still belong to the scope of the technical scheme of the present application.
Claims
1. A Type-C connector inner core with anti-pin lifting feature, characterized in that, include: A plurality of first terminals are arranged in a row, and each first terminal has a first contact gold finger at its head end; The first terminal adhesive block is integrally embedded with a plurality of first terminals to form a first component. The head end of the first terminal adhesive block is provided with a plurality of first positioning notches at intervals. The upper half of each first contact gold finger is exposed above the first terminal adhesive block, the lower half of each first contact gold finger is embedded in the first terminal adhesive block, and the head end of each first contact gold finger extends out of the head end face of the first terminal adhesive block. A plurality of second terminals are arranged in a row, and each second terminal has a second contact gold finger at its head end; The second terminal block is integrally embedded with a plurality of second terminals to form a second component. The head end of the second terminal block is provided with a plurality of second positioning notches at intervals. The lower half of each second contact gold finger is exposed below the second terminal block, the upper half of each second contact gold finger is embedded in the second terminal block, and the head end of each second contact gold finger extends out of the head end face of the second terminal block. A middle clip is located between the first component and the second component, and is assembled with the first component and the second component to form a third component; The core is integrally embedded with the third component, and the head end face of the core is flush with the head end face of the first terminal adhesive block and the second terminal adhesive block. The head adhesive block is integrally embedded with the head end of the adhesive core, and the top of the head adhesive block is provided with a plurality of first protrusions for embedding the first contact gold finger, and the bottom of the head adhesive block is provided with a plurality of second protrusions for embedding the second contact gold finger.
2. The Type-C connector inner core with anti-shake pin as described in claim 1, characterized in that: The top of the first contact gold finger has a downward slope, and the bottom of the second contact gold finger has an upward slope.
3. The Type-C connector inner core with anti-shake pin as described in claim 1, characterized in that: The core includes a tongue plate, a positioning part, and a base arranged sequentially from front to back. The head end face of the tongue plate is flush with the head end faces of the first terminal block and the second terminal block. Each first terminal has a first solder foot at its tail end, and each second terminal has a second solder foot at its tail end. The first solder foot and the second solder foot extend from the bottom of the base.
4. The Type-C connector inner core with anti-shake pin as described in claim 1, characterized in that: The middle clip has protrusions on both sides of its head end that protrude from the sidewall of the rubber core.