TWM600941U - An electrical connector - Google Patents

Abstract

An electrical connector has a first row of terminals and a second row of terminals. The first row of terminals and the second row of terminals are stamped based on different material strips and then embedded in the same rubber core. The rubber core is injection-molded The first row of terminals and the second row of terminals are wrapped in a way; the rubber core is formed with a card slot and a tongue projecting outward from one end of the rubber core, and the card slots are distributed on the left and right sides of the tongue projecting direction; the first row The first contact part of the terminal and the second contact part of the second row of terminals are respectively located on the upper and lower sides of the tongue. The front end of the first contact part is provided with a first folding head embedded in the tongue, and the front end of the second contact part is provided with There is a second folding head with embedded tongue; the rubber core is buckled and connected to the outer main body. The outer main body has a bottom plate and hanging arms protruding from the left and right sides of the bottom plate. The bottom plate supports the lower side of the rubber core, and the hanging arms are embedded in the rubber The card slot of the core and clamps the rubber core; and also includes a shell, the shell fixes the rubber core and the outer body by wrapping, the shell forms an insertion interface on the outer periphery of the tongue, and the insertion interface is for the external connection plug to be inserted and connected with the first The row of terminals and the second row of terminals maintain conduction; the welding parts of the first row of terminals and the second row of terminals extend out of the outer shell together for soldering circuit boards.

Description

An electric connector

This creation belongs to the technical field of electrical connectors, especially about DP female connectors.

With the development of new technologies such as cloud computing and big data, electrical connectors have been widely used as a connection device for transmitting digital signals, audio signals, and image signals. DP (Display Port, display port) connector is one of them, mainly used to connect video sources and displays and other devices, and supports the carrying of audio, USB and other forms of data. The existing DP connector mainly includes a metal shell, an insulating body and a number of signal terminals. Several signal terminals are assembled on the insulating body by plug-in type. In such a production process, the terminals are often not inserted in place, bent, shifted, and loosened. With the development of miniaturization and increased functions of DP female connectors, the above conditions not only affect production efficiency, product quality and service life, but also during use, various conductive terminals are prone to crosstalk during signal transmission, which greatly This reduces the quality and rate of signal transmission and cannot achieve the desired effect.

The purpose of this creation is to overcome the shortcomings of the prior art and provide an electrical connector that is convenient to manufacture, has stable positions between terminals, improves product quality, and can also reduce crosstalk between terminals, improve high-frequency performance, and support high-frequency transmission.

In order to achieve the above objectives, this creation adopts the following technical solutions: An electrical connector has a first row of terminals and a second row of terminals. The first row of terminals and the second row of terminals are stamped and formed based on different material strips and then embedded in the same rubber core. The rubber core is injection molded The first row of terminals and the second row of terminals are wrapped in a way; the rubber core is formed with a card slot and a tongue projecting outward from one end of the rubber core, and the card slot is distributed on the left and right sides of the tongue projecting direction; The first contact portion of the row of terminals and the second contact portion of the second row of terminals are respectively located on the upper and lower sides of the tongue, the front end of the first contact portion is provided with a first folding head embedded in the tongue, and the front end of the second contact portion There is a second folding head with embedded tongue; the rubber core is buckled and connected to the outer main body. The outer main body has a bottom plate and hanging arms protruding from the left and right sides of the bottom plate. The bottom plate supports the lower side of the rubber core and the hanging arms are embedded The card slot of the rubber core clamps the rubber core; and also includes a shell that fixes the rubber core and the outer main body by wrapping. The shell forms an insertion interface on the outer periphery of the tongue, and the insertion interface is for the external connection plug to be inserted and connected with the first One row of terminals and the second row of terminals maintain conduction; the welding parts of the first row of terminals and the second row of terminals extend out of the outer shell together for soldering circuit boards.

The above solution is further that an inner groove is formed on the upper side of the rubber core, and parts of the first row of terminals and the second row of terminals located in the inner groove are exposed through the inner groove.

The above solution is further in that the width of the first folding head is smaller than the width of the first contact portion; the width of the second folding head is smaller than the width of the second contact portion.

The above solution is further that air gap grooves are provided on the upper and lower sides of the tongue, and the air gap grooves are distributed between adjacent first contact portions or second contact portions.

The above solution is further that a hook is formed at the upper end of the hanging arm, and the hook is hooked to the hanging table arranged in the card slot.

The first row of terminals and the second row of terminals of this creation are fixed by a rubber core obtained by injection molding after being combined, which is more convenient than the traditional riveting process after inserting the terminals separately, and simplifies the assembly method of the upper and lower rows. The production process is reduced, and good docking can be ensured. The structure of one-time injection molding is adopted to make the shape and mutual position of the first row of terminals and the second row of terminals stable during the process of flushing, and the spacing between the terminals is balanced, which can reduce the mutual interaction of various conductive terminals during signal transmission. Crosstalk, which greatly improves the quality and speed of signal transmission, and supports high-frequency transmission.

The following will further explain the concept, specific structure and technical effects of this creation in conjunction with the accompanying drawings to fully understand the purpose, features and effects of this creation.

It should be noted that in the description of this creation, the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and other directions or The term of positional relationship is based on the direction or positional relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on this creation. In addition, the terms "first", "second", "third", and "fourth" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

This creation is about a kind of electrical connector, especially the DP 2.0 SMT female connector, which is mainly used to connect video sources and displays and other devices, and supports the carrying of audio, USB and other forms of data. This connector is designed to replace traditional VGA, DVI, and FPD-Link (LVDS) interfaces. Through active or passive adapters, the connector is backward compatible with traditional HDMI and DVI.

Refer to Figures 1 to 6, which is a schematic diagram of an embodiment of this creation. The electrical connector provided by this creation has a first row of terminals 1 and a second row of terminals 2, which are used to transmit data. The number of terminals of the two rows of terminals 2 is 10 pins respectively. The first row of terminals 1 and the second row of terminals 2 are stamped and formed based on different material strips and then combined and embedded in the same rubber core 3. When the first row of terminals 1 and the second row of terminals 2 are combined, they are misaligned. The positioning and combination can be provided by the material tape to ensure the stable and accurate position between the first row of terminals 1 and the second row of terminals 2. The rubber core 3 wraps the first row of terminals 1 and the second row of terminals 2 in an injection molding manner to realize an integrated structure. The rubber core 3 is formed with a card slot 32 and a tongue 31 protruding outward from one end of the rubber core 3. The card slot 32 is distributed on the left and right sides of the protrusion direction of the tongue 31. The shape and size of the tongue 31 meet the requirements of the industry Association standards. The first contact portion 11 of the first row of terminals 1 and the second contact portion 21 of the second row of terminals 2 are respectively located on the upper and lower sides of the tongue 31 and exposed for data transmission. The front end of the first contact portion 11 is provided with a first folding head 12 embedded in the tongue 31, and the front end of the second contact portion 21 is provided with a second folding head 22 embedded in the tongue 31; the rubber core 3 is buckled Connected to the outer body 4, the outer body 4 has a bottom plate 41 and hanging arms 42 protruding from the left and right sides of the bottom plate 41. The bottom plate 41 supports the lower side of the rubber core 3, and the hanging arm 42 is inserted into the card slot 32 of the rubber core 3 and clamped Rubber core 3. In the embodiment shown in the figure, the card slot 32 is in the form of a groove. The upper end of the hanging arm 42 forms a hook 421. The hanging arm 42 is inserted in place corresponding to the card slot 32. The hook 421 is hooked to the hanging table 321 arranged in the card slot 32. The bottom plate 41 supports and realizes the solid connection of the rubber core 3 and the outer main body 4, and the left and right hanging arms 42 form a clamp, and are aligned and limited with the card slot 32 to ensure the stable, accurate and optimized position of the rubber core 3 Assembly. This creation also includes a housing 5, which fixes the rubber core 3 and the outer body 4 by wrapping. The housing 5 forms an insertion interface 51 on the outer periphery of the tongue 31. The insertion interface 51 is for the external connection plug to be inserted and connected to the first row. The terminal 1 and the second row of terminals 2 remain conductive to realize signal transmission. The welding portions of the first row of terminals 1 and the second row of terminals 2 extend out of the housing 5 together. The welding portions of the first row of terminals 1 and the second row of terminals 2 in the embodiment in the figure form a whole row for welding Circuit board. The first row of terminals 1 and the second row of terminals 2 of this creation are fixed by a rubber core 3 obtained by injection molding after being combined, which is more convenient than the traditional riveting process of inserting the terminals separately and simplifies the upper and lower rows. The assembly method reduces the manufacturing process and can also ensure good docking use. The structure of one-time injection molding is adopted to make the shape and mutual position of the first row of terminals 1 and the second row of terminals 2 stable during the process of flushing, and the spacing between the terminals is balanced, which can reduce the signal transmission process of various conductive terminals during use. The mutual crosstalk, which greatly improves the quality and speed of signal transmission, and supports high-frequency transmission.

Referring to Figures 1 to 6, this embodiment is further that an inner groove 33 is formed on the upper side of the rubber core 3, and the part of the first row of terminals 1 and the second row of terminals 2 in the inner groove 33 penetrates the inner groove 33 The groove 33 is exposed, so that the impedance of the first row of terminals 1 and the second row of terminals 2 can be increased, and high frequency requirements can be met. The width of the first folding head 12 is smaller than the width of the first contact portion 11, and the width of the second folding head 22 is smaller than the width of the second contact portion 21. This design is convenient for the first folding head 12 and the second The folding head 22 is embedded in the tongue, and while ensuring the insertion and use, it is ensured that there is sufficient glue space separation between the first folding head 12 and the second folding head 22 to prevent crosstalk and effectively improve the electrical Performance to obtain better high frequency performance. In this embodiment, the upper and lower sides of the tongue 31 are provided with air gap grooves 311. The air gap grooves 311 are distributed between the adjacent first contact portions 11 or the second contact portions 21, and the air gap grooves 311 increase adjacent The air medium between the terminals also improves the high frequency performance of the electrical connector.

In this creation, the first row of terminals 1 and the second row of terminals 2 are formed by the respective strips and then fixed by the rubber core 3 obtained by injection molding, which is more convenient and simplified than the traditional riveting process after inserting the terminals separately The assembly method of the upper and lower rows reduces the production process and can also ensure good docking use. The structure of one-time injection molding is adopted to make the shape and mutual position of the first row of terminals 1 and the second row of terminals 2 stable during the process of flushing, and the spacing between the terminals is balanced, which can reduce the signal transmission process of various conductive terminals during use. The mutual crosstalk, which greatly improves the quality and speed of signal transmission, and supports high-frequency transmission.

Although the preferred specific embodiments of the present creation are described above in conjunction with the accompanying drawings, the present creation should not be limited to the same structure and operation as the above description and accompanying drawings. For those skilled in the art, it will not exceed Many equivalent improvements and changes can be made to the above embodiments through logical analysis, reasoning, or limited experiments under the concept and scope of this creation, but these improvements and changes should all fall within the scope of protection required by this creation.

1: The first row of terminals 2: The second row of terminals 3: Rubber core 4: Outer body 5: Shell 11: The first contact 12: The first folding head 21: second contact 22: The second folding head 31: Tongue 32: card slot 33: inner groove 41: bottom plate 42: Hanging arm 51: plug-in interface 311: air gap slot 321: Hanging Table 421: The hook

Figure 1 is a schematic structural diagram of an embodiment of the creation; FIG. 2 is an exploded schematic diagram of the structure of the embodiment in FIG. 1; 3 is a schematic diagram of the front structure of the embodiment in FIG. 1; 4 is a schematic diagram of the combined structure of the first row of terminals and the second row of terminals of the embodiment of FIG. 1; FIG. 5 is a schematic diagram of the structure after injection molding of the rubber core in the embodiment of FIG. 4; Fig. 6 is a schematic diagram of the connection structure between the rubber core and the outer body of the embodiment of Fig. 1.

1: The first row of terminals

3: Rubber core

4: Outer body

5: Shell

31: Tongue

51: plug-in interface

311: air gap slot

Claims (5)

An electrical connector has a first row of terminals and a second row of terminals. The first row of terminals and the second row of terminals are stamped based on different material strips and then embedded in the same rubber core. The rubber core is injection-molded The first row of terminals and the second row of terminals are wrapped in a way; the rubber core is formed with a card slot and a tongue projecting outward from one end of the rubber core, and the card slots are distributed on the left and right sides of the tongue projecting direction; the first row The first contact part of the terminal and the second contact part of the second row of terminals are respectively located on the upper and lower sides of the tongue. The front end of the first contact part is provided with a first folding head embedded in the tongue, and the front end of the second contact part is provided with There is a second folding head with embedded tongue; the rubber core is buckled and connected to the outer main body. The outer main body has a bottom plate and hanging arms protruding from the left and right sides of the bottom plate. The bottom plate supports the lower side of the rubber core, and the hanging arms are embedded in the rubber The card slot of the core and clamps the rubber core; and also includes a shell, the shell fixes the rubber core and the outer body by wrapping, the shell forms an insertion interface on the outer periphery of the tongue, and the insertion interface is for the external connection plug to be inserted and connected with the first The row of terminals and the second row of terminals maintain conduction; the welding parts of the first row of terminals and the second row of terminals extend out of the outer shell together for soldering circuit boards. The electrical connector according to claim 1, wherein an inner groove is formed on the upper side of the rubber core, and parts of the first row of terminals and the second row of terminals located in the inner groove are exposed through the inner groove. The electrical connector according to claim 1, wherein the width of the first folding head is smaller than the width of the first contact portion; the width of the second folding head is smaller than the width of the second contact portion. The electrical connector according to claim 1, wherein the upper and lower sides of the tongue are provided with air gap grooves, and the air gap grooves are distributed between adjacent first contact portions or second contact portions. The electrical connector according to claim 1, wherein a hook is formed at the upper end of the hanging arm, and the hook is hooked to a hanging stand arranged in the card slot.

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