CN116345204A - Two-way double-sided electric connector - Google Patents

Abstract

The invention provides a two-way double-sided electric connector, which comprises: the two insulating bases are integrally provided with a base part and a butt joint part, a row of terminal grooves which extend forwards and backwards are formed in the two insulating bases by separation columns, and the terminal grooves extend from the base to the butt joint part and can be used for placing terminals from the upper and lower directions; the two rows of terminals are assembled into two rows of terminal slots of the two insulating base bodies in the vertical direction, the terminals are integrally provided with a spring part, a fixing part and a pin from front to back, the front section of the spring part corresponds to the butt joint part and is provided with a contact part protruding in the vertical direction in a bending way, the spring part can spring up and down, the rear section of the spring part and the fixing part are horizontally abutted against the bottom surface of the terminal slot, the insulating base body is provided with a pressing block for fixing the fixing part of the one row of terminals, and the rear section of the spring part of the one row of terminals still can be abutted against the bottom surface of the terminal slot to spring up and down, and a metal shell is used for covering the two insulating base bodies.

Description

Two-way double-sided electric connector

Technical Field

The present invention relates to an electrical connector, and more particularly to a bidirectional double-sided electrical connector.

Background

The USB TYPE-C2.0 electric connection plug of applicant's application number 2020/10032568.7, wherein the ground terminal and the power terminal do not increase conductive sectional area, and the transmission effect of heavy current is not good, and the resistance value is very big, and the easy temperature rise in use causes the harm of electrical apparatus and in use feel that generates heat.

Disclosure of Invention

The main objective of the present invention is to provide a bidirectional double-sided electrical connector, which can increase the conductive cross-sectional area of the ground terminal and the power terminal, has a large current transmission effect, can reduce the resistance value, and can avoid the temperature rise in use.

To achieve the above object, the present invention provides a bidirectional double-sided electrical connector, which comprises: the two insulating bases are integrally provided with a base and a butt joint part, the butt joint part is connected to the front end of the base, the butt joint part is provided with a bottom plate and two side plates, the inner surfaces of the base parts of the two insulating bases are provided with butt joint surfaces which are mutually abutted to be overlapped up and down, a connecting groove is formed between the bottom plates of the butt joint parts of the two insulating bases, the front section of the bottom plate is provided with a low surface, the rear section of the bottom plate is provided with a high surface, the two side plates of the butt joint parts of the two insulating bases are mutually abutted to be a sleeving frame, the inner surfaces of the two insulating bases are provided with a row of terminal grooves which are separated into a row of front-back extending terminal grooves, and the terminal grooves extend from the base to the butt joint part and can be placed into terminals from the up-down direction; two rows of terminals are assembled in two rows of terminal slots of the two insulating base bodies in the up-down direction, the terminals are integrally provided with a spring part, a fixing part and a pin from front to back, the front section of the spring part corresponds to the abutting part and is provided with a contact part protruding from the high surface in a bending way in the up-down direction, the spring part can spring up and down, the rear section of the spring part and the fixing part are horizontally abutted against the bottom surface of the terminal slot, the depth of the terminal slot is greater than the material thickness of the terminal, the rear section of the spring part and the fixing part sink into the terminal slot, the insulating base body is provided with a pressing block for fixing the fixing part of the one row of terminals, the rear section of the spring part of the one row of terminals still can abut against the bottom surface of the terminal slot to spring up and down, the pin extends to the rear end of the base part to be exposed, and the same contact circuit numbers of the contact parts of the two rows of terminals are mutually and reversely arranged; and a metal shell which covers the two insulating bases and is provided with a four-sided main shell, wherein the four-sided main shell shields the butt joint parts of the two insulating bases and forms a butt joint structure, and the butt joint structure can be positioned on a butt joint electric connector in a positive and negative direction.

The above and other objects, advantages and features of the present invention will become more apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings.

Drawings

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

Fig. 2 is a front view of the first embodiment of the present invention.

FIG. 3 is a side cross-sectional view of a first embodiment of the present invention.

Fig. 4 is an exploded perspective view of a first variant implementation of the first embodiment of the invention.

Fig. 5 is a front view of a first variant implementation of the first embodiment of the invention.

Fig. 6 is a front cross-sectional view of a first variant implementation of the first embodiment of the invention.

Fig. 7 is an exploded perspective view of a second variant implementation of the first embodiment of the invention.

Fig. 8 is a front view of a second variant implementation of the first embodiment of the invention.

Fig. 9 is a front cross-sectional view of a second variant of the first embodiment of the invention.

FIG. 10 is a perspective cross-sectional view of a second variant of the first embodiment of the invention.

Fig. 11 is an exploded perspective view of a third variant implementation of the first embodiment of the invention.

Fig. 11A is a front cross-sectional view of a third variant implementation of the first embodiment of the present invention.

FIG. 12 is a perspective view of an assembly of a third variant implementation of the first embodiment of the invention.

FIG. 13 is a perspective view of an assembly of a third variant implementation of the first embodiment of the invention.

Fig. 14 is a perspective view of an assembly of a fourth variant implementation of the first embodiment of the invention.

Fig. 15 is a perspective view of a first conductive sheet according to a fourth variation of the first embodiment of the present invention.

Fig. 16 and 17 are perspective views of a fifth variant implementation of the first embodiment of the invention.

Fig. 18 is a perspective view of a sixth variant implementation of the first embodiment of the invention.

Fig. 19 and 20 are exploded perspective views of a seventh variant of the first embodiment of the invention.

Fig. 21 to 27 are perspective, exploded perspective and cross-sectional side views of a second embodiment of the present invention.

Fig. 28 to 30 are an exploded perspective view, a perspective view and a side sectional view of a first variant implementation of the second embodiment of the present invention.

Fig. 31 to 37 are perspective views showing a manufacturing process according to a third embodiment of the present invention.

FIG. 38 is a perspective view of a manufacturing flow for a first variation of the third embodiment of the present invention.

Fig. 39 is a perspective view of a fourth embodiment of the present invention.

FIG. 40 is a perspective view of a fourth embodiment of the present invention, not yet assembled with the outer housing.

FIG. 41 is a perspective view of a fifth embodiment of the present invention.

FIG. 42 is a perspective view of a fifth embodiment of the invention without the outer housing assembled.

FIG. 43 is a perspective view of a sixth embodiment of the present invention.

Fig. 44 is a perspective view of a seventh embodiment of the present invention.

Fig. 45 is a perspective view of an eighth embodiment of the present invention.

FIG. 46 is a schematic plan view of a ninth embodiment of the present invention.

FIG. 47 is a schematic plan view of a tenth embodiment of the present invention.

Detailed Description

While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, reference throughout this specification to one feature will be used in order to describe one embodiment of the invention, but not to imply that each embodiment of the invention must have the described feature. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to show a possible system design, such features may also be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.

In the embodiments shown in the drawings, indications of directions (such as up, down, left, right, front and rear) are used to explain the structure and movement of various components of the invention rather than being absolute, but rather relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.

Referring to fig. 1 to 3, a first embodiment of the present invention is a bidirectional double-sided USB TYPE-C3.0 electrical connector, which is implemented as a fourth variation of the tenth embodiment, and is provided with an insulating base 1, two rows of terminals 70, a metal buckle 30, and a metal housing 50, wherein:

the difference is that the insulation seat 1 of the present variation is plastic integrated, the rear section of the insulation seat 1 is a base 11, the front section of the insulation seat 1 is a butt joint part 12, the butt joint part 12 is provided with a connecting groove 117, the connecting groove 117 is provided with an upper connecting surface and a lower connecting surface, the connecting surfaces are provided with a first connecting surface 151 and a second connecting surface 152 from inside to outside, the first connecting surface 151 protrudes by a height from the second connecting surface 152, the left side of the connecting groove 117 is respectively provided with an opening 119 and a abutting surface 136, the inside of the insulation seat 1 is provided with an upper row of terminal grooves 18 and a lower row of terminal grooves 18, the left side and the right side are provided with two elastic buckle fixing grooves 112, the two rows of terminal grooves 18 extend from the rear end of the base 11 to the butt joint part 12, and the base 11 is provided with a partition 137 for separating the two rows of terminal grooves 18.

The two rows of terminals 70 are assembled into the two rows of terminal slots 18 from back to front, 12 terminals of the two rows of terminals 70 are respectively represented by a, a contact circuit serial numbers are sequentially represented by A1, A2, A3 … a12 from right to left, terminals of the lower row are represented by B, contact circuit serial numbers are sequentially represented by B12, B11, B10 … B1 from right to left, the two rows of terminals 70 are aligned up and down, two grounding terminals 70a (contact circuit serial numbers are A1, a12, B1, B12) are respectively arranged on both sides of each row of terminals 70, two power terminals 70a (contact circuit serial numbers are A4, A9, B4, B9) are respectively arranged in the middle of each row of terminals 70, each terminal 70 is formed by punching and removing part of sheet metal sheet material (sheet blanking), each terminal 70 has a sheet surface 71 and a cut surface 72, the sheet surface 71 of each terminal 70 is vertical, each terminal 70 is integrally provided with a contact portion 77, a spring portion 76, a fixing portion 75 and a pin 79 from front to back, the fixing portion 75 is provided with barbs 751 for pressing against the terminal slot 18 and preventing backward movement, the spring portion 76 is connected to the front end of the fixing portion 75 and extends forward to the abutting portion 12, the contact portion 77 is connected to the front end of the spring portion 76 and protrudes from the first connecting surface 151 to the connecting slot 117, the contact portion 77 is provided with a most protruding contact point 771 and a front inclined surface 772, the spring portion 76 can spring up and down, i.e. spring up and down parallel to the plate surface 71, the middle section of the spring portion 76 is provided with a pressing protrusion 710, the spring portion 76 has a overflowing pressure protruding from the first connecting surface 151, the pressing protrusion 710 is in overflowing pressure abutting against the partition 137, thus the contact portion 77 of the whole lower row of terminals has the same height and enhances the elasticity of the spring portion 76, the pins 79 are connected to the rear end of the fixing portion 75 and extend out of the rear end of the base 11.

The circuit signals according to the contact circuit number of USB TYPE-C specified by the USB Association are described as follows: 1 and 12 are a pair of ground terminals arranged in bilateral symmetry, 4 and 9 are a pair of power terminals arranged in bilateral symmetry, 2,3 are a pair of high-differential signal terminals (TX+, TX-), 10,11 are another pair of high-differential signal terminals (RX+, RX-), 6,7 are a pair of low-differential signal terminals (D+, D-), and 5,8 are detection terminals.

The metal buckle 30 includes two elastic buckles 33 separated from each other, the plate surface 33a of each elastic buckle 33 is vertical and provided with a fixing portion 32, a spring arm 33 and two pins 37, the spring arm 33 is connected to the front end of the fixing portion 32 and extends forward, the spring arm 33 can spring left and right, the front end plate surface pierces and presses a buckle 332, the upper and lower sides of the buckle 332 form an abutment surface 333, the two pins 37 are connected to the rear end of the fixing portion 32 and extend backward, the fixing portion 32 of the two elastic buckles 33 is assembled and fixed in the two elastic buckle fixing grooves 112 of the edge seat 1, and the abutment surface 333 of each elastic buckle 33 is elastically overflowed and pressed against the abutment surface 136.

The two rows of terminals 70 of the present embodiment are separated vertically and are all the same specification of the plate blanking type terminals, which is convenient for the stamping manufacture and assembly of the terminals.

Referring to fig. 4 to 6, which are a first variation of the first embodiment, the first embodiment is substantially the same, wherein the variation is implemented as a bidirectional double-sided USB TYPE-C2.0 electrical connection plug, the two rows of terminals 70 are 8, the contact circuit numbers of the upper row of terminals are A1, A4, A5, A6, A7, A8, A9, a12 in order from right to left, the contact circuit numbers of the lower row of terminals are B12, B9, B8, B7, B6, B5, B4, B1 in order from right to left, the two rows of terminals 70 lack a pair of high differential signal terminals (tx+, TX-) of contact circuit numbers 2,3, and the other pair of high differential signal terminals (rx+, RX-) of contact circuit numbers 10, 11.

The ground terminal and the power terminal have a high current transmission requirement, while the other terminals do not have a high current transmission requirement.

The two rows of terminal grooves 18 of the plastic seat are sequentially 1-12 from right to left, a conducting strip groove 186 is arranged between the terminal grooves 1 and 2, and the conducting strip groove 186 is communicated with the terminal grooves 1 and 2 of the two rows of terminal grooves 18; a conductive sheet groove 186 is arranged between the terminal groove positions 3 and 4, and the conductive sheet groove 186 is communicated with the terminal groove positions 3 and 4 of the two rows of terminal grooves 18; a conductive sheet groove 186 is arranged between the terminal groove positions 9 and 10, and the conductive sheet groove 186 is communicated with the terminal groove positions 9 and 10 of the two rows of terminal grooves 18; the terminal slot locations are provided with a conductive tab slot 186 between 11 and 12, the conductive tab slot 186 communicating with the terminal slot locations 11 and 12 of the two rows of terminal slots 18.

There are upper and lower rows of 4 first conductive plates 720, the first conductive plates 720 have a fixing portion 721, the front end of the fixing portion 721 has an extending portion 722 extending forward to the butt joint portion 12, the extending portion 722 has no contact protruding toward the center, i.e. the contact portion 77 of the terminal is deviated from the center of the connecting slot 117, the rear end of the fixing portion 721 has upper and lower pins 723, the upper and lower rows of 4 first conductive plates 720 are assembled into the terminal slot positions 2,3, 10, and 11 of the two rows of terminal slots 18.

Four second conductive pieces 730 are provided, the second conductive pieces 730 are provided with a fixing portion 731, the rear end of the fixing portion 731 is provided with an upper pin 733 and a lower pin 733, and the four second conductive pieces 730 are respectively installed into the four terminal grooves 186. Thus, each pair of vertically aligned ground terminals (A1/B12, a 12/B1) abuts against a second conductive sheet 730, and the second conductive sheet 730 abuts against the upper and lower first conductive sheets 720; each pair of power terminals (A4/B9, A9/B4) aligned vertically is abutted against a second conductive sheet 730, and the second conductive sheet 730 is abutted against the upper and lower first conductive sheets 720.

With the above configuration, the pair of ground terminals 70a (the pair of power terminals 70 b) of the present invention are abutted against the first conductive plate 720 and the second conductive plate 730, so that the conductive cross-sectional area can be increased, the transmission effect of large current can be achieved, the resistance value can be reduced, the temperature rise can be avoided, and the extending portion 722 of the first conductive plate 720 (the second conductive plate 730) has no contact protruding toward the center, i.e. the contact portion 77 of the terminal is deviated from the center of the connecting groove 117, and the extending portion 722 of the first conductive plate 720 (the second conductive plate 730) does not touch the contact portion of the USB TYPE-C electrical connection socket to cause a short circuit.

Referring to fig. 7 to 10, a second variation of the first embodiment is implemented substantially the same as the first variation of the first embodiment, wherein the difference is that two rows of terminals 70 implemented by the variation are respectively four pairs of terminals of an upper row of terminals 7, A1, A4, A5, A6, A7, A9, a12 in order from right to left, a lower row of terminals 5, B12, B9, B5, B4, B1 in order from right to left, two pairs of ground terminals 70a (A1/B12, a 12/B1) opposite from top to bottom and two pairs of power terminals 70B (A4/B9, A9/B4) opposite from top to bottom, each pair of terminals being integrally arranged.

The upper and lower rows of terminal grooves are communication grooves 18a which are communicated up and down at the rear section of the base 11, and the fixing portions 75 of the four pairs of terminals and the fixing portions 75 of the four terminals A5, A6, A7 and B5 are all pressed and fixed with the upper surface and the lower surface of the communication grooves 18 a.

The first conductive sheet 720 has a row of four, the fixing portion 721 of the first conductive sheet 720 is equal in height to the fixing portion 75 of the terminal, and an extending portion 722 is disposed above and below the fixing portion, and extends forward to the abutting portion 12, where the extending portion 722 has no contact protruding toward the center, i.e. is offset from the center of the connecting slot 117 than the contact portion 77 of the terminal.

Referring to fig. 11 to 13, a third variation of the first embodiment is implemented substantially the same as the second variation of the first embodiment, wherein the difference is that the conductive sheet slot implemented in the present variation is a wide slot 18b with equal height and equal height from top to bottom, and the second conductive sheet 730 is the same as the first conductive sheet 720, and the wide slot 18b is used for inserting and positioning the overlapped pair of ground terminals 70a (a pair of power terminals 70 b), a first conductive sheet 720 and a fixing portion of the second conductive sheet 730.

Referring to fig. 12, in the assembly, a pair of overlapped ground terminals 70a (a pair of power terminals 70 b), a first conductive sheet 720 and a second conductive sheet 730 are inserted into and positioned in each of the wide slots 18.

Referring to fig. 13, the middle 5 terminals, the two elastic buckles 33 at two sides and the metal housing 50 are assembled again.

With the above configuration, the pair of ground terminals 70a (the pair of power terminals 70 b) of the present invention are overlapped and abutted against the first conductive sheet 720 and the second conductive sheet 730, so that the conductive cross-sectional area can be increased, the transmission effect of large current can be achieved, the resistance value can be reduced, the temperature rise can be avoided, and the extending portion 722 of the first conductive sheet 720 (the second conductive sheet 730) does not have a contact protruding toward the center, i.e. the contact portion 77 of the terminal is deviated from the center of the connecting slot 117, and the extending portion 722 of the first conductive sheet 720 (the second conductive sheet 730) does not touch the contact portion of the USB TYPE-C electrical connection socket to cause a short circuit.

Referring to fig. 14 to 15, a fourth variation of the first embodiment is implemented substantially the same as the third variation of the first embodiment, wherein the difference is that the first conductive piece 720 and the second conductive piece 730 of the present variation are substantially the same shape as the pair of ground terminals 70a (the pair of power terminals 70 b), and only the extension portion 722 of the first conductive piece 720 (the second conductive piece 730) has no contact protruding toward the center, i.e., is offset from the center of the connecting groove 117 than the contact portion 77 of the terminal.

Referring to fig. 16 to 17, a fifth variation of the first embodiment is implemented substantially the same as the fourth variation of the first embodiment, and is implemented substantially the same as the fifth variation of the first embodiment, wherein the difference is that the extension portion 732 of the second conductive sheet 730 implemented by the present variation is shorter than the spring portion of the pair of ground terminals 70a (the pair of power terminals 70 b), the extension portion 722 of the first conductive sheet 720 is shorter than the extension portion 732 of the second conductive sheet 730, the fixing portion of the pair of ground terminals 70a (the pair of power terminals 70 b) is provided with a abutting sheet 74, the fixing portion of the first conductive sheet 720 is provided with a abutting sheet 724, and the fixing portion of the second conductive sheet 730 is provided with a abutting sheet 734 so as to abut against each other when overlapped with each other.

Please refer to fig. 18, which is a sixth variation of the first embodiment, which is substantially the same as the fifth variation of the first embodiment, wherein the difference is that a pair of ground terminals 70a (a pair of power terminals 70 b), a first conductive sheet 720 and a second conductive sheet 730, which are stacked, are welded or laser welded.

Referring to fig. 19 to 20, a seventh variation of the first embodiment is implemented, which is substantially the same as the third variation of the first embodiment, wherein the insulation base 1 of the variation is provided with an upper base 10' and a lower base 10 which are overlapped.

Referring to fig. 21 to 27, a second embodiment of the present invention is a bidirectional double-sided USB TYPE-C3.0 electrical connector plug, which is provided with an insulating base 1, two rows of terminals 20, a metal clip plate 30, two grounding members 40 and a metal housing 50, wherein:

the insulating base 1 is made of plastic material, and is provided with a base 11 and a butt joint part 12, wherein the base 11 is provided with an upper base 111 and a lower base 112 which are overlapped up and down, the upper base 111 and the lower base 112 are respectively provided with a joint surface 113 which is mutually jointed, two convex clamping blocks 114 are arranged in the middle of the joint surface 113 of the lower base 112, two grooves are arranged on the joint surface of the upper base 111 to be clamped with the two clamping blocks 113, the butt joint part 12 is provided with an upper butt joint part 121 and a lower butt joint part 122 which are overlapped up and down, the butt joint part 12 is connected with the front end of the base 11, a row of terminal movable grooves 124 are respectively formed by a row of barriers on the inner surfaces of the upper butt joint part 121 and the lower butt joint part 122, a connecting groove 125 is arranged in the butt joint part 12, the upper surface and the lower surface of the rear section of the connecting groove 12 are provided with a first connecting surface 151, and the upper surface and the lower surface of the front section of the connecting groove 125 are provided with a second connecting surface 152 which is recessed from the first connecting surface 151.

The two rows of terminals 20 are respectively embedded in plastic with the upper base 111 and the lower base 112 for injection molding and fixing, the two rows of terminals 20 are respectively 12, each terminal 20 is integrally provided with a contact portion 21, a spring portion 22, a fixing portion 23 and a pin 24 from front to rear, the spring portion 22 can spring up and down, the spring portion 22 extends in the same horizontal direction and the middle section abuts against an abutting portion 126 of the abutting portion 12.

The spring portions 22 of the two rows of terminals 20 have an overflow pressure against the abutting portion 126, as shown in fig. 25, and the middle section of the spring portion 22 of each row of terminals 20 elastically abuts against the abutting portion 126, so that the contact portions 21 of each row of terminals 20 have the same height, and the spring portion 22 of each row of terminals 20 has a better elasticity, as shown in fig. 26, when the base 11 and the abutting portion 12 are separated, the spring portion 22 of each row of terminals 20 is inclined away from the center of the connecting groove 125.

The metal buckle 30 is disposed between the upper and lower bases 111 and 112, the metal buckle 30 has a main board surface 36, the left and right sides of the main board surface 36 are respectively and forwardly extended to form an elastic buckle 33 and rearwardly extended to form a horizontal pin 37, the elastic buckle 33 is forwardly extended to form a spring arm 331, the front end of the spring arm 331 is provided with a buckle 332, the two elastic buckles 33 are located at the left and right sides of the connecting slot 125 and can be bounced left and right, and the main board surface 36 is provided with two positioning holes 34.

The two grounding members 40 and the outer surfaces of the plastic injection molding fixed insulating base body 10 are respectively embedded with the upper base 111 and the lower base 112, the grounding member 40 is provided with a contact piece 41 exposing the outer surfaces of the upper base 111 and the lower base 112, a fixing part 42 and three elastic pieces 46, the three elastic pieces 46 can spring up and down, the contact piece 41 of the two grounding members 40 is contacted with the metal shell 50, and the three elastic pieces 46 protrude out of the second connecting surface 151 to the connecting groove 125.

The metal shell 50 covers the insulating base 1 and abuts against the contact pieces 41 of the two grounding members 40, and the four-sided main shell 51 covers the abutting portion of the insulating base 1 and forms a abutting structure together, and the abutting structure can be positioned on a abutting electric connector in a positive and negative direction.

Referring to fig. 28 to 30, which are a first variation of the second embodiment, the difference is that the upper base 111 and the lower upper base 112 of the first variation are identical in shape, i.e. the upper base 111 and the lower upper base 112 are provided with a clamping block 114 and a groove 115 which are symmetrical left and right, each spring 46 of the two grounding members 40 is connected with a U-shaped spring arm 43, the U-shaped spring arm 43 is connected with the contact piece 41 to extend forward, the spring 46 is connected with the lateral section of the spring arm 43 to extend backward reversely, and the spring arm 43 and the contact piece 41 have an oblique angle biased toward the connecting groove, so that the spring arm 43 and the spring arm 43 have excellent elastic contact by elasticity.

Referring to fig. 31 to 37, a third embodiment of the present invention is a bidirectional double-sided USB TYPE-C2.0 electrical connection socket, which is substantially the same as the eighth embodiment of application number 202111551280.1.

The configuration of the present embodiment can be explained by the following manufacturing method, which includes the steps of:

referring to fig. 31, two metal clips 45 are provided, each clip 45 has a concave clip 41 at its outer front section, the clip 41 has a clip face 411 and a bottom face 412, the thickness of the material of the two clips 45 is about 0.3mm, and the two clips 45 are connected to a material strip 910.

Referring to fig. 32, an inner insulating base 300 is provided, the inner insulating base 300 and the two fastening plates 45 are embedded in plastic for injection molding, the two fastening plates 45 are positioned at the left side and the right side of the inner insulating base 300, the inner insulating base 300 is provided with an upper supporting surface 301 and a lower supporting surface 301, the two supporting surfaces 301 are flush with the upper surface and the lower surface of the two fastening plates 45, each supporting surface 301 is convexly provided with a row of barriers and is respectively separated into a row of terminal positioning grooves 305, and each of the left side and the right side of the two supporting surfaces 301 is provided with a convex column 306.

Two rows of terminals 80 are provided, each row of terminals 80 comprises two grounding terminals 86 positioned at the left and right sides, two power terminals 87 positioned between the two grounding terminals 86 and four terminals 88 positioned between the two power terminals 87, each row of terminals is formed by stamping and bending a metal sheet with the thickness of about 0.2mm to form a continuous arrangement of terminals, the front end of each terminal is connected with a secondary material belt 905, the rear end of each pin 84 is connected with a main material belt 900, each terminal is integrally provided with a contact part 82, an extending part 83 and a pin 84 from front to back, the contact part 82 and the extending part 83 of each terminal of each row of terminals 80 extend at the same level, the pin 84 of each terminal is bent and extended downwards and the end section is at the same level, the inner side of the contact portion 82 of each grounding terminal 86 is provided with a flat plate portion 810 recessed towards the inner insulating base 300, a through hole 816 is arranged in the middle of the flat plate portion 810, each contact portion 82 and each flat plate portion 810 form a height difference of about 0.15mm, namely, the recessed surface of the flat plate portion 810 is recessed about 0.15mm compared with the contact surface of the contact portion 82, the contact surface of the flat plate portion 810 protrudes about 0.15mm compared with the contact surface of the contact portion 82, the extension portions 83 of the grounding terminal 86 and the power terminal 87 are widened and are wider than the contact portion 82, and the extension portion 83 of the grounding terminal 86 is provided with a positioning hole 815.

Referring to fig. 33, the two rows of terminals 80 are disposed in the upper and lower two rows of terminal positioning slots 305 on the upper and lower supporting surfaces 301 of the inner insulating base 300, the contact surface of the contact portion 82 of each terminal 88 and the contact surface of the contact portion 82 of each power terminal 87 are abutted against the upper and lower two supporting surfaces 301, the extending portions 83 of the four grounding terminals 86 and the contact surfaces of the contact portions 82 of the two rows of terminals are respectively bonded to the upper and lower surfaces of the two clamping plates 45 in a flat manner, one side of the contact portion 82 of each grounding terminal 86 is flush with the bottom surface 412 of the clamping plate 41, and the two contact surfaces of the two flat plate portions 810 of each pair of vertically aligned two grounding terminals 86 of the two rows of terminals 80 are abutted against each other.

Referring to fig. 34, an insulating base 70 is provided, and the insulating base 70, the inner insulating base 300, the two clamping plates 45 and the two rows of terminals 80 are embedded in plastic for injection molding, and at this time, the base 71 of the insulating base 70 and the rear section 721 of the tongue plate are molded.

Referring to fig. 35, the material strip 910 and the sub-material strip 905 are removed.

Referring to fig. 36, the front section 722 of the tongue plate of the insulating base 70 is injection molded with plastic,

like the third embodiment, the two rows of contact portions 82 of the two rows of terminals 80 are respectively exposed at the front section 722 of the tongue 72 and aligned vertically.

Referring to fig. 37, finally, a metal housing 50 is provided, and the metal housing 50 is assembled into the insulating base 70 from the front and rear.

The end sections of the two rows of pins 84 of the two rows of terminals are arranged in a row of horizontal equal height.

With the above configuration, the present embodiment has the following advantages:

the thickness of the TYPE C female seat tongue plate is 0.70mm, wherein the thickness of the terminal is 0.20mm and the maximum cross section area, the thickness of each of the two clamping plates 45 is 0.30mm, the design of the maximum thickness is adopted, steel materials with better rigidity and better wear resistance can be used for the two clamping plates 45, the thickness of the upper row and the lower row of terminals is 0.20mm, the thickness of each of the two clamping plates 45 is 0.30mm, the best thickness dimension combination structure is adopted, and the thickness of the metal clamping structure 93 is 0.2mm+0.3mm+0.2mm=0.7mm and is the same as the thickness of the tongue plate.

2. The electrical ground terminals 86 and the power terminals 87 are each provided with a flat plate portion 810, so that the surface area structures of the contact portions 82 and the pins must meet the dimensional requirements of the standard specifications of the society, and can be widened to have the largest surface area, and the mating terminal thickness of 0.20mm can be widened to have the largest cross-sectional area structure, and the electrical connector can simultaneously achieve the maximum current transmission load by the breakthrough electrical ground terminals 86 and the power terminals 87.

3. The thickness of the metal buckle structure 93 is 0.7mm which is the same as the thickness of the tongue plate, and is the largest metal plate buckle thickness structure, and the thickness of the two buckle plates 45 is 0.30mm which is the largest steel material with good wear resistance, so that the electric connector achieves the function of the largest plug-in resistance times.

Please refer to fig. 38, which is a first variation of the third embodiment, which is similar to the third embodiment, wherein the difference is that each grounding terminal 86 of the third variation is identical to the shape of the buckle 41 of the buckle plate 45, and the buckle of the grounding terminal 86 is retracted by about 0.03mm compared with the buckle 41 of the buckle plate 45, so that the connector can be preferentially contacted with the buckle 41 of the buckle plate 45 when the socket and the plug are mutually plugged, thereby avoiding damaging the grounding terminal 86.

Referring to fig. 39 and 40, a fourth embodiment of the present invention is a portable disc 500 having an electrical connector according to the present invention, which includes an outer housing 230, a circuit board 240, an electronic device 250, and an electrical connector 3, wherein:

the circuit board 240 is provided with a plurality of conductive contacts and a plurality of printed circuits (not shown).

The electronic device 250 is electrically connected to the circuit board 240, the electronic device 250 includes an electronic unit 251, a control chip 252, and a circuit security device 253, the electronic unit 251 is a main device of the electronic device 250, and in this embodiment, a storage unit, which may be a memory,

the control chip 252 controls the operation of the electronic unit 251, and the circuit protection device 253 includes a plurality of circuit protection devices, such as a power supply safety control chip, an overcurrent protection device, an overvoltage protection device, a short circuit protection device, a resistor, a capacitor, and the like. The power supply safety control chip can provide the following protection of input high voltage protection, input anti-reverse protection, output overcurrent protection, output overvoltage protection, output short circuit protection, battery overcharge and overdischarge protection, battery cell PTC protection and charge/discharge temperature protection.

The electrical connector 3 is a bidirectional double-sided USB TYPE-C2.0/3.0/3.1 electrical connector, which can be configured as in the first and second embodiments described above, and the electrical connector 3 is electrically connected to the circuit board 240 and to the electronic device 250.

The outer housing 230 encloses the circuit board 240, the electronic device 250, and the rear section of the electrical connector 3, and the front section of the electrical connector 3 and the insertion opening 551 of the connection slot are exposed outside the outer housing 230.

Referring to fig. 41 and 42, a fifth embodiment of the present invention is a card reader 501 with an electrical connector according to the present invention, which includes an outer housing 230, a circuit board 240, an electronic device 250, and an electrical connector 3, which are substantially the same as the fourth embodiment, and will not be described herein, wherein the main difference is that the electronic unit of the electronic device 250 is an electronic assembly of a card reader.

Referring to fig. 43, a switching connector 502 with an electrical connector according to a sixth embodiment of the present invention includes a switching circuit, a first electrical connector 1, a second electrical connector 2 and an outer housing 230, wherein the switching circuit is disposed on a circuit board 240, the first electrical connector 1 is disposed on one side of the circuit board 240, the second electrical connector 2 is disposed on the other side of the circuit board 240, one end of the switching circuit is electrically connected to the first electrical connector 1, the other end is electrically connected to the second electrical connector 2, a first electrical connector 1 is switched to three second electrical connectors 2 by the switching circuit, the first electrical connector 1 is a USB TYPE a 2.0/3.0/3.1 connector, the second electrical connector 2 is a bidirectional double-sided USB TYPE USB TYPE-C2.0/3.0/3.1 electrical connector, the structure can be as in the first embodiment and the second embodiment, the outer housing 230 is covered by the first electrical connector 1 and the second electrical connector 230, and the first electrical connector 2 is exposed out of the housing 230.

In addition, the circuit board 240 is electrically connected with an electronic device 250, the electronic device 250 includes an electronic unit, a control chip, and a circuit safety protection device, the electronic unit is an electronic combination of the switching device, the electronic unit can switch and switch different interfaces, so that the first electrical connector 1 and the second electrical connector 2 of different interfaces can be mutually switched, the control chip controls the operation of the electronic unit, and the circuit safety protection device includes a plurality of circuit safety protection components, such as a power supply safety control chip, an overcurrent protection component, an overvoltage protection component, a short circuit protection component, a resistor, a capacitor, and the like.

Please refer to fig. 44, which shows a seventh embodiment of the present invention, the present invention is a transit connector 503 with the electrical connector of the present invention, which is substantially the same as the seventh embodiment, except that the second electrical connector 1 of the present invention is a USB type a 2.0/3.0/3.1 socket.

Referring to fig. 45, an eighth embodiment of the present invention is a switching connector 504 with the electrical connector of the present invention, which includes a switching circuit, a first electrical connector 1 and a second electrical connector 2, wherein the switching circuit is an electrical connection wire 260, one end of the switching circuit is electrically connected to the first electrical connector 1, the other end of the switching circuit is electrically connected to the second electrical connector 2, and the switching circuit is used to switch between the first electrical connector 1 and the second electrical connector 2, the first electrical connector 1 is a USB TYPE a 2.0/3.0/3.1 connector, and the second electrical connector 2 is a bidirectional duplex USB TYPE-C2.0/3.0/3.1 connector, which can be configured as described in the first to fifth embodiments.

Referring to FIG. 46, a ninth embodiment of the present invention is a switching electrical connector 505 with the electrical connector of the present invention, which is similar to the eighth embodiment, except that the second electrical connector 2 of the present embodiment is a bidirectional double-sided USB TYPE-C2.0/3.0/3.1 electrical connection joint, and the structure thereof can be the same as that of the first embodiment and the second embodiment; the first electrical connector 1 may be a D-SUB connector or a female connector, or may be HDMI, or may be a Display Port, or may be eSATA, or may be an RJ connector, or may be a network cable connector, or may be a memory card connector (e.g., SD memory card connector), or may be a chip smart card connector, or may be various electronic connectors or female connectors.

Please refer to fig. 47, which is a tenth embodiment of the present invention, the present embodiment is a switching electrical connector 506 with the electrical connector of the present invention, which is similar to the seventh embodiment, wherein the second electrical connector 2 of the present embodiment is a bidirectional double-sided USB TYPE-C2.0/3.0/3.1 electrical connection joint, and the structure thereof can be as described in the first to fourth embodiments; the first electrical connector 1 may be a D-SUB connector or a female connector, or an HDMI connector, or a Display Port, or an eSATA connector, or an RJ connector, or a network cable connector, or a memory card holder (e.g., SD memory card holder), or a chip smart card holder, or various electronic connectors or sockets.

In addition to the above, the connector plug according to the present invention may be disposed in and connected to various types of devices, such as a patch cord, an adapter, a mouse, a keyboard, a power supply, a mouse, a headset, a peripheral accessory, a portable disk, a usb disk, a portable hard disk, a portable power source, a charger, a wall charger, a docking station, a tablet, a mobile phone, a projection device, a wireless charger, a wireless device, a set-top box, a server, a desktop computer, a mobile portable electronic device, a television, a game console, an electronic device, a video device, a headset, a microphone, a loudspeaker, an electronic lamp, an electric fan, an electronic device, an electronic component, an AR or VR electronic device, or other applicable electronic devices.

In addition, the two-way double-sided connector of the invention can also be matched with the Schottky diode or resistor or allergic resistor or capacitor or magnetic bead and the like to prevent overvoltage or overload current or overheat high temperature or short circuit or reverse current as the circuit safety protection, however, various modes such as setting the Schottky diode or resistor or allergic resistor or capacitor or magnetic bead and the like to prevent overvoltage or overload current or overheat high temperature or reverse current or short circuit or circuit safety protection component or safety circuit setting means can also be used to achieve the circuit safety protection effect.

The structural features of the embodiments of the present invention can be applied to each other, and two or more structural feature addition combinations are applied to the embodiments, and for clarity of description of the structural features of the present patent, the above-mentioned structural feature cross-combinations or similar structural feature addition combinations are not added to the drawings embodiments, and this description is made.

The specific embodiments presented in the detailed description of the preferred embodiments are for ease of illustration only and not to limit the present invention to the embodiments in a narrow sense, and various modifications may be made without departing from the spirit of the invention and the following claims.

Claims (1)

1. A bi-directional double-sided electrical connector, comprising:

the two insulating bases are integrally provided with a base and a butt joint part, the butt joint part is connected to the front end of the base, the butt joint part is provided with a bottom plate and two side plates, the base of the two insulating bases is overlapped up and down, a connecting groove is formed between the bottom plates of the butt joint parts of the two insulating bases, the two side plates of the butt joint parts of the two insulating bases are mutually abutted to form a sleeving frame body, a row of separation bars are arranged in the two insulating bases and are separated into a row of front-back extending terminal grooves, and the terminal grooves extend from the base to the butt joint part and can be used for placing terminals from up and down;

two rows of terminals are assembled in two rows of terminal slots of the two insulating base bodies in the up-down direction, the terminals are integrally provided with a spring part, a fixing part and a pin from front to back, the front section of the spring part corresponds to the butt joint part and is provided with a contact part protruding in the up-down direction in a bending way, the spring part can spring up and down, the rear section of the spring part and the fixing part are horizontally abutted against the bottom surface of the terminal slot, the depth of the terminal slot is greater than the thickness of the material of the terminals, the rear section of the spring part and the fixing part sink into the terminal slot, the insulating base body is provided with a fixing part for abutting against a pressing block to fix the one row of terminals, the rear section of the spring part of the one row of terminals still can abut against the bottom surface of the terminal slot to spring up and down, the pin extends to the rear end of the base part to expose, and the same contact points of the two rows of terminals are mutually arranged in opposite directions; and

A metal shell which covers the two insulating bases and is provided with a four-sided main shell, the four-sided main shell shields the butt joint parts of the two insulating bases and forms a butt joint structure, and the butt joint structure can be positioned on a butt joint electric connector in a positive and negative direction.

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