CN109075485B - Bidirectional double-sided electric connector - Google Patents
Bidirectional double-sided electric connector Download PDFInfo
- Publication number
- CN109075485B CN109075485B CN201780007866.7A CN201780007866A CN109075485B CN 109075485 B CN109075485 B CN 109075485B CN 201780007866 A CN201780007866 A CN 201780007866A CN 109075485 B CN109075485 B CN 109075485B
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- terminals
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- terminal
- butt joint
- electrical connector
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- 230000002457 bidirectional effect Effects 0.000 title description 12
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 37
- 210000001503 joint Anatomy 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 31
- 230000000295 complement effect Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
Abstract
A bi-directional double-sided electrical connector comprising: the two insulation base bodies (10) are integrally provided with a base part (11) and a butt joint part (12), the inner surfaces of the two insulation base bodies (10) are provided with a row of barriers (141) which are divided into a row of terminal grooves (142) extending forwards and backwards, and the terminal grooves (142) extend from the base (11) to the butt joint part (12) and can be inserted with terminals from the up-down direction; two rows of terminals (20), the two rows of terminals (20) are assembled into two rows of terminal grooves (142) of the two insulation base bodies (10) from the front to the back, the terminals (20) are integrally provided with a springing part (22), a fixing part (23) and a pin (24), the front section of the springing part (22) corresponds to the butt joint part (12) and is bent to be provided with a contact part (221) which protrudes from the high surface (143) in the vertical direction, the springing part (22) can bounce up and down, the rear section of the springing part (22) and the fixing part (23) are in the same level and abut against the bottom surface of the terminal groove (142), the depth of the terminal groove (142) is larger than the material thickness of the terminals (20), so that the rear section of the springing part (22) and the fixing part (23) sink into the terminal groove (142), the insulation base body (10) is provided with a fixing structure (140) for fixing the fixing part (23) of one row of terminals (20), and a metal shell (50) which covers the two insulation base bodies (10).
Description
Technical Field
The present invention relates to an electrical connector, and more particularly to a two-way double-sided electrical connector.
Background
Since various electronic products have increasingly powerful functions and handheld devices have been increasingly popular, there is an increasing demand for signal transmission between various products or devices, wherein the signal transmission between the devices is performed through a signal interface. The signal interface is, for example, an Electrical connector or a complementary Electrical connector mated therewith, wherein the Electrical connector is an Electrical connector socket (Electrical plug) and the complementary Electrical connector is an Electrical connector plug (Electrical plug).
Before the electrical connection plug and the electrical connection socket are butted, the electrical connection plug and the electrical connection socket are butted only by directing the electrical connection plug towards the electrical connection socket in a correct direction, that is, the electrical connection socket has a plugging direction, which is commonly called a fool-proof function, and the function is to ensure that a connection interface on the electrical connection plug can be contacted with a contact terminal on the electrical connection socket. However, most users do not have the habit of directing the electrical connection plug to the electrical connection socket in the correct direction, and the foolproof function causes the docking failure between the electrical connection plug and the electrical connection socket, and then the user turns over the electrical connection plug to achieve the correct docking. In other words, the fool-proof function causes the user's trouble.
Therefore, a bidirectional electrical connector with a double-sided mating function is provided in the market, which is provided with two sets of contact terminals to eliminate the plugging directionality of the bidirectional electrical connector. The user can mate the bi-directional electrical connector with the complementary electrical connector in either direction. However, the conventional bi-directional electrical connector has high manufacturing cost and low reliability of its function. Therefore, how to make the bidirectional electrical connector have stable reliability and reduce the cost of the electrical connector is a goal of common efforts in the industry.
Disclosure of Invention
The present invention is directed to a two-way two-sided electrical connector, which can reduce the manufacturing and assembling costs and has a two-sided docking function.
To achieve the above object, the present invention provides a bidirectional double-sided electrical connector, which comprises: two insulation base bodies, wherein the insulation base bodies are integrally provided with a base part and a butt joint part, the butt joint part is connected to the front end of the base part, the butt joint part is provided with a bottom plate and two side plates, the inner surfaces of the base parts of the two insulation base bodies are provided with butt joint surfaces which are mutually butted and overlapped up and down, a connecting groove is formed between the bottom plates of the butt joint parts of the two insulation base bodies, 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 insulation base bodies are mutually butted to form a sleeving frame body, the inner surfaces of the two insulation base bodies are provided with a row of barriers which are divided into a row of terminal grooves extending back and forth, and;
two rows of terminals, the two rows of terminals are assembled into two rows of terminal grooves of the two insulating base bodies in the up-down direction, the terminals are integrally provided with a springing part, a fixed part and a pin from front to back, the front section of the springing part corresponds to the butt joint part and is bent to be provided with a contact part which protrudes out of the high surface in the up-down direction, the springing part can bounce up and down, the rear section of the springing part and the fixed part are in the same horizontal state and abut against the bottom surface of the terminal groove, the depth of the terminal groove is larger than the material thickness of the terminals, so that the rear section of the springing part and the fixed part are sunk into the terminal groove, the insulating base body is provided with a fixed structure for fixing the fixed part of the row of terminals, the rear section of the springing part of the row of terminals can still abut against the bottom surface of the terminal groove to bounce up and down, the pin extends to the rear end of the base part to be exposed, and the same; and a metal shell which covers the two insulating base bodies and is provided with a four-side-wrapped main shell body, the four-side-wrapped main shell body covers the butt joint part of the two insulating base bodies, the two insulating base bodies form a butt joint structure, and the butt joint structure can be positioned on a butt joint connector in a positive and negative two-way mode.
Because the back section of the elastic part of the two rows of terminals and the fixed part are horizontally abutted against the bottom surface of the terminal groove, the terminal groove can be easily assembled and simplified in stamping, the manufacturing cost is reduced, and the back section of the elastic part of the terminal horizontally abutted against the bottom surface of the terminal groove can have the supporting effect of the middle section of the elastic arm, so that the positive force and the elasticity of the contact of the terminal are increased.
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 when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a side sectional view of the first embodiment of the present invention.
Fig. 2A is a state diagram of the use of the first embodiment of the present invention.
Fig. 3 is a front view of the first embodiment of the present invention.
Fig. 4 is a top view of the first embodiment of the present invention.
Fig. 5 is an exploded perspective view of the first embodiment of the present invention.
Fig. 6 is an exploded perspective view of the first embodiment of the present invention.
Fig. 7 is a perspective view of the first embodiment of the present invention.
Fig. 8 is a perspective view of a manufacturing flow of the first embodiment of the present invention.
Fig. 9 is a perspective view of a manufacturing flow of the first embodiment of the present invention.
Fig. 10 is a perspective view of a manufacturing flow of the first embodiment of the present invention.
Fig. 11 is a perspective view of a manufacturing flow of the first embodiment of the present invention.
Fig. 12 is a perspective view of a manufacturing flow of the first embodiment of the present invention.
Fig. 13 is an exploded perspective view of a first alternate implementation of the first embodiment of the present invention.
Fig. 14 is an exploded perspective view of a first alternate implementation of the first embodiment of the present invention.
Fig. 15 is an exploded perspective view of a first alternate implementation of the first embodiment of the present invention.
Fig. 16 is an exploded perspective view of a second alternate implementation of the first embodiment of the present invention.
Fig. 17 is an exploded perspective view of a third alternate implementation of the first embodiment of the present invention.
Fig. 18 is a perspective view of a third alternate implementation of the first embodiment of the present invention.
Fig. 19 is an exploded perspective view of a fourth alternate implementation of the first embodiment of the present invention.
Fig. 20 is a perspective view of a fourth alternate implementation of the first embodiment of the present invention.
Fig. 21 is an exploded perspective view of a fifth alternate implementation of the first embodiment of the present invention.
Fig. 22 is a perspective view of a fifth alternate implementation of the first embodiment of the present invention.
Fig. 23 is a front view of a second embodiment of the present invention.
Fig. 24 is a top view of a second embodiment of the present invention.
Fig. 25 is an exploded perspective view of a second embodiment of the present invention.
Fig. 26 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 27 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 28 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 29 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 30 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 31 is a perspective view of a manufacturing flow of the second embodiment of the present invention.
Fig. 32 is an exploded perspective view of a first alternate implementation of the second embodiment of the present invention.
Fig. 32A is a perspective view of a second alternate implementation of the first embodiment of the present invention.
Fig. 33 is an exploded perspective view of a third embodiment of the present invention.
Fig. 34 is a top view of a third embodiment of the present invention.
Fig. 35 is a perspective view of a manufacturing flow of the third embodiment of the present invention.
Fig. 36 is a perspective view of a manufacturing flow of the third embodiment of the present invention.
Fig. 37 is a perspective view of a manufacturing flow of the third embodiment of the present invention.
Fig. 38 is a perspective view of a manufacturing flow of the third embodiment of the present invention.
Fig. 39 is an exploded perspective view of a fourth embodiment of the present invention.
Fig. 40 is a perspective view of a fourth embodiment of the present invention.
Fig. 41 is an expanded plan view of two rows of terminals in a fourth embodiment of the invention.
Fig. 42 is a two-terminal expanded perspective view of a fourth embodiment of the present invention.
Figure 43 is a plan view of a superposition of two terminals according to a fourth embodiment of the invention.
Fig. 44 is a perspective view of a manufacturing flow of the fourth embodiment of the present invention.
Fig. 45 is a perspective view of a manufacturing flow of the fourth embodiment of the present invention.
Fig. 46 is an exploded perspective view of a first alternate implementation of the fourth embodiment of the present invention.
Fig. 47 is an exploded perspective view of a second alternate implementation of the fourth embodiment of the present invention.
Fig. 48 is an expanded plan view of two rows of terminals in a second alternate implementation of the fourth embodiment of the present invention.
Fig. 49 is an expanded perspective view of a second row of terminals in a second alternate implementation of the fourth embodiment of the present invention.
Fig. 50 is a plan view of a second array of terminal stacks in a second alternate implementation of the fourth embodiment of the present invention.
Fig. 51 is a perspective view of a manufacturing flow of a second variation implementation of the fourth embodiment of the present invention.
Fig. 52 is a perspective view of a manufacturing flow of a second variation implementation of the fourth embodiment of the present invention.
Fig. 53 is an expanded perspective view of a second row of terminals in a third alternate implementation of the fourth embodiment of the present invention.
Fig. 54 is an exploded perspective view of a fifth embodiment of the present invention.
Fig. 55 is a perspective view of a manufacturing flow of the fifth embodiment of the present invention.
Fig. 56 is a perspective view of a manufacturing flow of the fifth embodiment of the present invention.
Fig. 57 is a perspective view of a manufacturing flow of the fifth embodiment of the present invention.
Fig. 58 is a perspective view of a manufacturing flow of the fifth embodiment of the present invention.
Fig. 59 is a side sectional view of a sixth embodiment of the invention.
Fig. 60 is a perspective cross-sectional view of a rear cover of a sixth embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 7, a first embodiment of the present invention is a bidirectional dual-sided USB TYPE-C3.0 electrical connector, which includes two insulating base bodies 10, two rows of terminals 20, a metal partition 30, two grounding pieces 40, and a metal shell 50, wherein:
the insulation base 10 is integrally provided with a base 11 and a butt joint portion 12, the butt joint portion 12 is connected to the front end of the base 11, the inner surfaces of the bases 11 of the two insulation base are provided with joint surfaces 111 for abutting, and an insulation base is provided with a locking hole 151 to be locked with a locking column 152 of another insulation base, the rear section of the base 11 is higher than the front section and is provided with a locking block 113 outside the rear section, the butt joint portion 12 is provided with a bottom plate 121 and two side plates 122, the two side plates 122 are connected to the left and right sides of the bottom plate 121, the front section of the inner surface of the bottom plate 12 is provided with a front section surface 144 and the rear section is provided with a rear section surface 143, the rear section surface protrudes a height higher than the front section, the front section surface 144 is provided with three through holes 145, the inner surface of the insulation base 10 is provided with a row of barriers 141 to be divided into a row of terminal grooves 142 extending forward and backward, the terminal grooves 142 extend from the base 11 to the butt joint portion 12 and can be inserted into terminals from, the three concave surfaces 147 are more concave than the three concave surfaces 148, a plastic bridge 146 is integrally disposed on one side of the base of the two insulation base bodies 20 for interconnection, when the insulation base body 20 is turned over by 180 degrees, the two insulation base bodies 20 are vertically stacked, the joint surfaces 111 of the base portions of the two insulation base bodies are abutted, the front sections of the two side plates 122 of the abutting portion 12 of the two insulation base bodies are higher and are mutually jointed, the middle sections are lower and are an opening 124, and a connecting groove 125 is formed between the inner surfaces of the bottom plates 121 of the two insulation base bodies.
The two rows of terminals 20 are assembled into the two rows of terminal slots 142 of the two insulating housings 10 in the up-down direction, the two rows of terminals 20 are 12, as shown in fig. 55, the upper row of terminals is denoted by a, the serial numbers of the contact circuits are arranged from right to left and are sequentially a1, a2, A3 … a12, the serial number of the lower row of terminals is denoted by B, the serial numbers of the contact circuits are arranged from right to left and are sequentially B12, B11, B10 … B1, each terminal 20 is integrally provided with a springing portion 22, a fixing portion 23 and a pin 24 from front to back, the front section of the springing portion 22 corresponds to the concave area 123 of the connecting portion and is bent to be provided with a contact portion 221 protruding the rear section surface 143 in the up-down direction, the springing portion 22 can bounce up and down, the rear section 223 of the springing portion and the fixing portion 23 are in the same horizontal plane to abut against the bottom surface of the terminal slot 142, the depth of the terminal slot 142 is larger than the material thickness of the terminal, so that the rear section 223 of the springing portion, the position of the fixing portion 23 is sealed by a secondary process to form a fixing structure 140, the fixing structure 140 covers the fixing portion 23 of the row of terminals 20 and is slightly recessed on the plane of the joint surface 111, the pin 24 horizontally extends out of the rear end of the base portion, the front end of the front fixing portion 21 is an electroless plating layer 25 exposed out of the front end of the insulating base 10, the contact portions 221 of the two rows of terminals are arranged at equal intervals according to the serial numbers of the contact circuits, and the serial numbers of the same contact circuits of the two rows of contact portions are arranged in a reverse direction.
The contact circuit number of USB TYPE-C specified by the USB Association is as follows: the design of the circuit board is that a pair of grounding terminals are arranged in a left-right symmetrical mode, 4 and 9 are arranged in a left-right symmetrical mode, 2 and 3 are a pair of high-differential signal terminals (TX +, TX-), 10 and 11 are another pair of high-differential signal terminals (RX +, RX-), 6 and 7 are a pair of low-differential signal terminals (D +, D-), 5 and 8 are detection terminals, wherein the grounding terminals and the power terminals have large current transmission requirements, and the other terminals do not have large current transmission requirements.
The metal partition 30 is disposed between the two insulating bases 10 and joined to the fixing portion 40, the metal partition 30 has a main board surface 31, the left and right sides of the main board surface 31 respectively extend forward to form an integral body with an elastic buckle 33 and extend backward to form an integral body with a horizontal pin 32, and the elastic buckle 33 can bounce left and right corresponding to the opening 124.
The two grounding pieces 40 are respectively connected and positioned outside the bottom plate 121 of the butt joint part 12 of the two insulation seat bodies 10, the grounding piece 40 is provided with a positioning piece 42 and a twisting piece 45, the twisting piece 45 is arranged in the middle of the positioning piece and is bent in a continuous U-shaped front-back direction, the twisting piece 45 is integrally connected with three elastic pieces 41, the three elastic pieces 41 can be bounced up and down, any two elastic pieces 41 form a U-shaped piece body, the positioning piece 42 and the twisting piece 45 of the grounding piece 40 are arranged on a concave surface 148 outside the bottom plate 121, and the three elastic pieces 41 penetrate through the three through holes 145 and protrude out of the front section surface 144.
The metal housing 50 is formed by drawing metal, and covers the two insulating base bodies 10 and abuts against the two grounding pieces 40, the metal housing 50 is provided with a four-surface-covered main housing 51 and a positioning portion 52, the four-surface-covered main housing 51 covers the abutting portion 12 of the two insulating base bodies 10, the two abutting portion form an abutting structure, the abutting structure can be positioned on an abutting connector in a forward and reverse two-way manner, the positioning portion 52 is higher than the four-surface-covered main housing 51 and is provided with a clamping hole 53, and the clamping hole 53 clamps the clamping block 113.
The manufacturing method of this example is as follows:
referring to fig. 8, providing the two rows of terminals 20, the two rows of terminals 20 are stamped by the same metal sheet and arranged adjacently, and both ends of the two rows of terminals are connected to a material belt 60, the material belt 60 is provided with a material belt 68 connected to the upper row of terminals, and the two rows of terminals 20 are arranged in the same direction in sequence with the same contact circuit serial number; providing the two insulation base bodies 10, wherein the two insulation base bodies 10 are integrally formed by plastic injection molding, and a plastic bridge 146 is integrally disposed on one side of the base 11 of the two insulation base bodies 20 and connected with each other.
Referring to fig. 9, the two rows of terminals 20 are then assembled into the two rows of terminal slots 142 of the two insulating base bodies 10 in the vertical direction, the rear sections 223 of the springing portions of the two rows of terminals 20 and the fixing portions 23 are horizontally abutted against the bottom surfaces of the two rows of terminal slots 142 of the two insulating base bodies 10, and the depth of the terminal slots 142 is greater than the material thickness of the terminals 20, so that the rear sections 223 of the springing portions and the fixing portions 23 are recessed into the terminal slots 142.
Referring to fig. 10, the fixing structure 140 is formed by molding the fixing portion 23, and the fixing portion 140 covers the fixing portion 23 of the row of terminals 20 and is slightly recessed in the plane of the bonding surface 111.
Referring to fig. 11, the metal partition 30 is disposed on the fixing portion 140 of an insulating base 10, at this time, the material tape 60 at the front end of two rows of terminals is cut off, and the material tape at the rear end of one row of terminals 20 on another insulating base 10 is cut off.
Referring to fig. 12, the insulating base 20 separated from the material tape is turned over 180 degrees and stacked on another insulating base 20, the two insulating bases 20 are stacked up and down, and the same contact circuit serial numbers of the two rows of terminals 20 are arranged in reverse order.
Then, the two grounding pieces 40 are assembled outside the butting portion 12 of the two insulating base bodies 10, and finally, the metal shell 50 is assembled in front and then fixed on the two insulating base bodies 10 in a covering manner.
Moreover, the fixing structure of the two insulating bases 20 for fixing the terminals 20 can also be formed by thermally melting the partitions between the terminal grooves 142 to fix the terminals, or the terminal grooves 142 are formed with a slot structure, so that when the terminals are placed into the terminal grooves in the up-down direction and then displaced in the front-back direction, the fixing portions of the terminals can be fixed by the slot structure.
As described by the above configuration, the present invention has the following advantages:
1. as shown in fig. 2, since the rear sections 223 of the spring portions of the two rows of terminals and the fixing portions 23 are horizontally abutted against the bottom surface of the terminal groove, the terminal groove can be easily assembled and simplified in stamping, and the manufacturing cost is reduced. As shown in fig. 2A, when the spring portion 22 of the two rows of terminals is forced to spring, according to the mechanics principle, the middle fulcrum 224 is formed on the rear section 223 of the spring portion 22 that can spring up and down and supported by the bottom 1421 of the terminal groove, so that the rear section 223 of the spring portion except the middle fulcrum 224 can still be partially separated from the bottom 1421 of the terminal groove to bend and spring to form a gap GP between the bottom 1421 of the terminal groove of the base 11 and the rear section 223 of the spring portion, thereby increasing the positive force and elasticity of the terminal contact.
2. The two plastic bases 10 are integrally plastic-injected and connected together by the plastic bridge 146, so that the assembly rate is doubled.
3. The design of the implementation is that the board width from the rear section 223 of the springing part of the two rows of the terminals A1, A4, A9, A12, B1, B4, B9 and B12 to the pin 24 is wider than that of the other terminals.
Referring to fig. 13-15, a first variation of the first embodiment is substantially the same as the first embodiment, wherein the difference is: the upper and lower insulating base bodies 10 of this variation are separately installed, and there is no integrally connected plastic bridge, and the positioning plate 42 and the twisting plate 45 of the grounding member 40 enclose a frame.
Referring to fig. 16, a second variation of the first embodiment is substantially the same as the first variation of the first embodiment, wherein the difference is: the two rows of terminals 20 of this variant embodiment are all of the same width and thickness.
Referring to fig. 17 and 18, a third variation of the first embodiment is substantially the same as the first variation of the first embodiment, wherein the difference is: in the second row of terminals 20 of this variation, the ground terminals (a1, a12, B1, B12) and the power terminals (a4, a9, B4, B9) are both wider and thicker than the other terminals, and the positioning piece 42 and the twisting piece 45 of the ground member 40 enclose a frame, and the twisting piece 45 is not provided with a U-bend.
Referring to fig. 19 and 20, a fourth variation of the first embodiment is substantially the same as the third variation of the first embodiment, wherein the difference is: in the second row of terminals 20 of this variation, the tip portions of the contact portions of the thick and wide ground terminals (a1, a12, B1, B12) and the power supply terminals (a4, a9, B4, B9) that are inclined are shorter and do not abut against the bottom plate 121, and the tip portions of the contact portions of the other terminals that are thinner and narrower that are inclined are longer and abut against the bottom plate 121.
Referring to fig. 21 and fig. 22, a fifth variation of the first embodiment is substantially the same as the first embodiment, wherein the difference is: in this variation, the high differential signal terminals of the upper row terminal 20 are only provided with a pair of high differential signal terminals (TX +, TX-) a2/A3, the high differential signal terminals of the lower row terminal 20 are also only provided with a pair of high differential signal terminals (RX +, RX-) B10/B11, the upper row terminal 20 is provided with a pair of low differential signal terminals (D +, D-) a6/a7, and the lower row terminal 20 is not provided with a pair of low differential signal terminals (D +, D-) B6/B7.
Referring to fig. 23 to 26, a second embodiment of the present invention is shown, which is a bidirectional dual-sided USB TYPE-C2.0 electrical connector plug, which is substantially the same as the first embodiment, wherein the difference is: the upper row of terminals 20 of this embodiment has 7 terminals a1, a4, a5, a6, a7, a9, a12, etc., while the lower row of terminals 20 has 5 terminals B1, B4, a5, B9, B12, etc., the base 11 of the lower insulating base 10 extends backward to protrude a pad 114 than the base of the upper insulating base 10, and the pad 114 has a row of pin grooves 115 and four U-shaped grooves 116; the pin 24 of the pair of power terminals B4/B9 of the lower row terminal 20 is integrally connected with a U-shaped connecting piece 208, the pin 24 of the pair of ground terminals B1/B12 is integrally connected with a U-shaped connecting piece 208, the two U-shaped connecting pieces 208 extend backwards to bypass the pin of the middle terminal and are in a large U-shape and a small U-shape, and the two U-shaped connecting pieces 208 and the pin of the lower row terminal are in a height difference; the pins 24 of the power terminals a4/a9 of the upper row terminal 20 are integrally connected to a U-shaped connecting piece 208, the pins 24 of the ground terminals B1/B12 are integrally connected to a U-shaped connecting piece 208, the two U-shaped connecting pieces 208 extend backwards to bypass the pins of the middle terminal and are in a shape of a large U-packaged small U, the two U-shaped connecting pieces 208 are bent by 90 degrees to make the left and right extending sections of the two U-shaped connecting pieces 208 and the pins of the upper row terminal have a height difference, when the two insulating base bodies 10 are stacked up and down, the pins 24 of the two rows of terminals are all flatly attached and arranged in the row of pin grooves 115, wherein the vertically aligned pins a1 and B12 are all ground terminals, the pins a12 and B1 are all ground terminals, the pins a4 and B9 are both power terminals, so the pins 23 of the 4 pairs of terminals are horizontally arranged in parallel at the same height or adjacent and arranged in the pin grooves 115 of the.
The manufacturing method of this example is as follows:
referring to fig. 26, providing the two rows of terminals 20, the two rows of terminals 20 are stamped by the same metal sheet and arranged adjacently, the front ends of the two rows of terminals 20 are all connected to a material strip 60, the left and right sides of the larger U-shaped connecting piece 208 of the lower row of terminals 20 are connected to a material strip 60, the pins 24 of the terminals B1/B4, B4/B5, B9/B12 are all connected by the dummy strip 215, the fixing portions of the terminals B12/a1 are connected by the dummy strip 215, and the same contact circuit serial numbers of the two rows of terminals 20 are arranged in the same direction in sequence; providing the two insulation base bodies 10, wherein the two insulation base bodies 10 are integrally formed by plastic injection molding, and a plastic bridge 146 is integrally disposed on one side of the base 11 of the two insulation base bodies 20 and connected with each other.
Referring to fig. 27, the two rows of terminals 20 are then assembled into the two rows of terminal slots 142 of the two insulating base bodies 10 in the vertical direction, the rear sections 223 of the springing portions of the two rows of terminals 20 and the fixing portions 23 are horizontally abutted against the bottom surfaces of the two rows of terminal slots 142 of the two insulating base bodies 10, and the depth of the terminal slots 142 is greater than the material thickness of the terminals 20, so that the rear sections 223 of the springing portions and the fixing portions 23 are recessed into the terminal slots 142.
Referring to fig. 28, the fixing structure 140 is formed by molding the fixing portion 23, and the fixing portion 140 covers the fixing portion 23 of the row of terminals 20 and is slightly recessed in the plane of the bonding surface 111.
Referring to fig. 29, each dummy tape 215 is cut off, the metal partition 30 is disposed on the fixing portion 140 of an insulating base 10, and the tape 60 at the front end of the two rows of terminals is cut off.
Referring to fig. 30, the insulating base 10 separated from the material tape is turned over 180 degrees and stacked on another insulating base 10, the two insulating bases 10 are stacked up and down, and the same contact circuit serial numbers of the two rows of terminals 20 are arranged in reverse order.
Referring to fig. 31, the tape 60 connected to the lower row of terminals is cut away.
Moreover, the fixing structure of the two insulating housing 10 for fixing the terminal 20 can also be formed by thermally melting the partition between the terminal grooves 142 to fix the terminal, or the terminal grooves 142 are formed with a slot structure, so that when the terminal is placed into the terminal groove in the up-down direction and then displaced in the front-back direction, the fixing portion of the terminal can be fixed by the slot structure.
The terminals of 4 pairs of the same circuit in the upper and lower rows of terminals 20 of this embodiment are integrally connected by the U-shaped connecting sheet 208, so that the pin bonding wires can be reduced.
Referring to fig. 32, a first variation of the second embodiment is substantially the same as the second embodiment, wherein the difference is: the upper and lower insulating base bodies 10 of this variation are separately provided without an integrally connected plastic bridge.
Referring to fig. 32A, a second variation of the second embodiment is substantially similar to the second embodiment, wherein the difference is: in this variation, no metal partition is provided, but an elastic buckle 53 is provided to protrude inward from each of the left and right side plates of the metal housing 50, and the elastic buckle 53 is provided with a protruding buckle 531.
Referring to fig. 33-38, a third embodiment of the present invention is a bidirectional dual-sided USB TYPE-C3.0 electrical connector, which is substantially the same as the first embodiment, wherein the difference is: the two rows of terminals 20 and the plurality of grounding members 40 are formed by stamping the same metal sheet and are embedded, injection-molded and fixed with the two insulating base bodies 10, the front end portions 21 of the two rows of terminals 20 and the fixing portions of the plurality of grounding members 40 are all embedded and fixed in the bottom plate 121 of the butting portion 12, one side of the base of the two insulating base bodies 20 is integrally provided with a plastic bridge 146 for interconnection, and when the insulating base body 20 is turned over by 180 degrees, the two insulating base bodies 20 are vertically overlapped.
Referring to fig. 39-45, a fourth embodiment of the present invention is a bidirectional dual-sided USB TYPE-C2.0 electrical connector, which is substantially the same as the second embodiment, wherein the difference is: the depth of the terminal groove 142 of the base 11 of the two insulation housings 10 of the present embodiment is approximately the same as the material thickness of the terminal 20, when the two rows of terminals 20 are placed in the terminal slots 142 of the two insulating housing bodies 10, the fixing portions 23 of the two rows of terminals 20 are approximately flush with the joint surface 111 when they are flatly pasted on the terminal slots 142 of the base 11 of the two insulating housing bodies 10, the lower insulation base 10 has a groove 117 for placing a resistor 80, the resistor 80 can be electrically connected to two terminals, the two rows of terminals 20, wherein the aligned upper and lower rows of terminals A1 and B12 are both ground terminals, A12 and B1 are both ground terminals, A4 and B9 are both power terminals, the fixing portions 23 of the 4 pairs of terminals are abutted against each other and the leads 24 are arranged in parallel or adjacent to each other in the lead groove 115 of the land 114 in the same horizontal height, and further, a metal bridge 220 is integrally connected to one side of the fixing portion 23 of the grounding terminal A12/B1, and the resistor 80 is electrically connected to the terminal.
In addition, the present embodiment is provided with a metal inner shell 70 sleeved on the butt-joint portion 12 of the two insulation base bodies 10, each of two side plates of the metal inner shell 70 is provided with an elastic buckle 71 in an protruding manner, the elastic buckle 53 is provided with a protruding buckle 711, the upper and lower plates of the metal inner shell 70 are respectively provided with two grounding elastic sheets 73, the grounding elastic sheet 73 is provided with a protruding contact portion 731.
The manufacturing method of this example is as follows:
referring to fig. 41 and 42, two rows of terminals 20 are provided, the two rows of terminals 20 are stamped and arranged adjacently by a same metal sheet, the rear end of the upper row of terminals 20 is connected to a tape 60 and the front end is connected to a tape 68, the front end and the rear end of the lower row of terminals 20 are connected to the two tapes 68, and a metal bridge 220 is integrally connected to one side of the fixing portion 23 of the grounding terminal a 12/B1.
Referring to fig. 43, the lower row of terminals 20 is turned downward 180 degrees and stacked under the upper row of terminals 20.
Referring to fig. 44, the two rows of terminals 20 are stacked in the terminal slots 142 of the lower insulative housing 10.
Referring to fig. 45, the upper insulating base 10 is turned over 180 degrees and stacked on the lower insulating base 10, and at this time, the fixing portions 23 of the terminals aligned up and down in the two rows of terminals 20 are abutted against each other for positioning, and the terminals staggered up and down are abutted against the joint surface of the insulating base 10 for positioning.
Please refer to fig. 46, which is a first variation of the fourth embodiment, and is substantially the same as the fourth embodiment, wherein the difference is: the upper row of terminals 20 of this variation has no terminals a6, a7, and 5 terminals in both the upper and lower rows.
Referring to fig. 47-52, a second variation of the fourth embodiment is substantially the same as the fourth embodiment, with the difference: in this variation, the pins 24 of the power terminals B4/B9 of the lower row of terminals 20 are integrally connected to a U-shaped connecting plate 208, the pins 24 of the ground terminals B1/B12 are integrally connected to a U-shaped connecting plate 208, the two U-shaped connecting plates 208 extend backwards around the pins of the middle terminals and are in a U shape with a large U wrap, the two U-shaped connecting plates 208 are bent by 90 degrees to make the left and right extension sections of the two U-shaped connecting plates 208 have a height difference with the pins 24 of the lower row of terminals, the left and right extension sections of the two U-shaped connecting plates 208 are connected by dummy strips 215, and the left and right extension sections of the two U-shaped connecting plates 208 are sleeved in the grooves 118 of the bonding pads 114
Referring to fig. 53, a third variation of the fourth embodiment is substantially similar to the second variation of the fourth embodiment, wherein the difference is: in this variation, the fixing portions 23 of the terminals B12/B9 of the lower row of terminals 20 are connected by dummy tape 215, and the fixing portions 23 of the terminals B4/B1 are connected by dummy tape 215.
Referring to fig. 54 to fig. 58, a fifth embodiment of the present invention is a bidirectional dual-sided USB TYPE-C3.0 electrical connector, which includes two insulating base bodies 10, two rows of terminals 20, a metal partition 30, a sleeving frame 83, and a metal shell 50, and is substantially the same as the first and fourth embodiments, but the difference between the embodiments is that: the insulating base 10 has a base 11, the inner surfaces of the bases 11 of the two insulating base are provided with joint surfaces 111 for abutting, the two rows of terminals 20 are embedded and injected and fixed on the two insulating bases 10, the elastic parts 22 of the two rows of terminals 20 protrude from the fixed parts 23 of the grounding terminals a1/B1 in the two rows of terminals 20 and are provided with integrally connected metal material bridges 220, the sleeving frame 83 is provided with an upper plate, a lower plate and two side plates to enclose a frame, and the sleeving frame 83 is sleeved at the front end of the bases 11 of the two insulating bases.
The manufacturing method of this example is as follows:
referring to fig. 55, two rows of terminals 20 are provided, the two rows of terminals 20 are stamped by the same metal sheet and arranged adjacently, the rear ends of the two rows of terminals 20 are connected to a material strip 60, the same contact circuit serial numbers of the two rows of terminals 20 are arranged in the same direction in sequence, a metal material bridge 220 is integrally connected to one side of the fixing portion 23 of the ground terminal a1/B12, the metal material bridge 220 is provided with a protruding portion 27, and the protruding portion 27 and the fixing portion of the terminals have a height difference.
Referring to fig. 56, next, the two rows of terminals 20 are embedded, injection molded and fixed with the two insulating base bodies 10 at the same time, the height of the convex portions 27 of the metal material bridge 220 is flush with the height of the joint surface 111 of the base 11 of the two insulating base bodies,
the lower row of terminals 20 is turned downward 180 degrees to be stacked under the upper row of terminals 20.
Referring to fig. 57, the metal partition 30 is placed on the inner surface of an insulating base 10.
Referring to fig. 58, the upper insulating base 10 is turned over 180 degrees and stacked on the lower insulating base 10, and the two rows of terminals 20 have the same contact circuit serial number in the reverse order.
Referring to fig. 59 and 60, a sixth embodiment of the invention is a bidirectional dual-sided USB TYPE-C3.0 electrical connection socket, which includes an insulating base 10, two rows of terminals 20, a metal partition 30, a grounding member 40, two insulating layers 90 and a metal shell 50, wherein:
the insulating base 10 has a base 11 and a butt-joint portion, which is a tongue plate 12.
The two insulating layers 70 are stacked on the upper and lower surfaces of the metal partition 30, the two rows of terminals 20 are stacked on the two insulating layers 70, and the two rows of terminals stacked up and down, the two insulating layers 70 and the metal partition 30 are integrally embedded and fixed on the insulating base 10 and extend from the base 11 to the tongue plate 12.
The two rows of terminals 20 are 12, each terminal 20 is integrally provided with a front end 21, a contact part 221, a fixing part 23, a rear extension part 25 and a pin 24 from front to rear, the contact part 221 is flatly attached to the butt joint part 12 and does not bounce and is exposed, the pin 24 extends out of the base 11, the fixing part 23 is arranged between the pin 24 and the contact part 21, the front end 21 and the contact part 21 are provided with bending section differences and are embedded into the tongue plate 12, the front ends 21 of the two rows of terminals 20 are aligned up and down and have a height interval, the front end of the front end 21 is an electroless plating section 25, the contact parts 21 of the two rows of terminals 20 are respectively exposed out of two connecting surfaces of the tongue plate 12 and are aligned up and down, and the contact parts of the two rows of terminals are arranged at equal intervals according to the serial number of the contact circuits.
The metal housing 50 covers the insulating base 10, the metal housing 50 is provided with a four-side-wrapped main housing, the four-side-wrapped main housing and the front end of the base 11 form a connecting groove 55, the tongue plate 12 is horizontally suspended at the center height of the connecting groove 55 and extends forward, the connecting groove 55 and the tongue plate 12 form a butt-joint structure, and an electric connecting male can be inserted into and electrically connected to and positioned on the front and back sides of the connecting groove 55.
The grounding member 40 is disposed at the rear section of the tongue plate 12.
The end of the pin 24 of the upper row of terminals is a row of horizontal pins, the end of the pin 24 of the lower row of terminals is two rows of vertical pins arranged in a front-back cross manner, and the front section 241 of the pin of the lower row of terminals extends out of the base 11 and then is flush and abutted against the insulating layer 70 in the front-back direction, and then is bent downwards and is bent in a front-back equidistant manner, so that the rear section 241 of the pin is two rows of vertical pins arranged in a front-back cross manner.
Therefore, the lower row of terminals 20 have the same length, so that the terminals can be connected to the same material tape 60.
In addition, a two-piece rear cover structure with a set of first and second rear covers 18, 19 is provided, the first and second rear covers 18, 19 are provided with a saw-toothed joint structure to form a front row and a rear row of insertion holes 181, 182 for two rows of vertical pins of the lower row of terminals to pass through.
The specific embodiments set forth in the detailed description of the preferred embodiments are merely intended to facilitate explanation of the technical disclosure, and do not limit the disclosure to the embodiments in a narrow sense.
Claims (10)
1. A bi-directional double-sided electrical connector comprising:
two insulation base bodies, wherein the insulation base bodies are integrally provided with a base part and a butt joint part, the butt joint part is connected to the front end of the base part, the butt joint part is provided with a bottom plate and two side plates, the inner surfaces of the base parts of the two insulation base bodies are provided with butt joint surfaces which are mutually butted and overlapped up and down, a connecting groove is formed between the bottom plates of the butt joint parts of the two insulation base bodies, a front section of the bottom plate is provided with a front section surface, a rear section of the bottom plate is provided with a rear section surface, the rear section surface protrudes out of the front section surface by a height, the two side plates of the butt joint parts of the two insulation base bodies are mutually butted to form a sleeving frame body, and the inner surfaces of the two insulation base;
two rows of terminals, which are assembled into two rows of terminal grooves of the two insulating base bodies from the upper direction to the lower direction, the terminals are integrally provided with a springing part, a fixed part and a pin from the front to the back, the front section of the springing part corresponds to the butt joint part and is bent to be provided with a contact part which protrudes out of the back section surface in the upper direction and the lower direction, the springing part can bounce up and down, the back section of the springing part and the fixed part are in the same level and abut against the bottom surface of the terminal groove, the insulating base body is provided with a fixed structure to fix the fixed part of the two rows of terminals, the back sections of the springing parts of the two rows of terminals can still abut against the bottom surface of the terminal groove to bounce up and down, the pin extends to the back end of the base part and is exposed, and the same contact circuits of the contact parts of the; and
a metal shell, which covers the two insulation base bodies and is provided with a four-side wrapped main shell body, the four-side wrapped main shell body covers the butt joint part of the two insulation base bodies and jointly forms a butt joint structure, the butt joint structure can be positioned on a butt joint connector in a positive and negative two-way mode, when the elastic parts of the two rows of terminals are stressed and elastically moved, the rear section of the elastic part, which belongs to the elastic part capable of elastically moving up and down, is provided with a middle section fulcrum supported by the bottom surface of the terminal groove, so that the rear section of the elastic part except the middle section fulcrum can still be partially separated from the bottom surface of the terminal groove to bend and elastically move to form a gap between the bottom surface of the terminal groove and the rear section of the elastic part.
2. The electrical connector of claim 1, wherein the securing structure of the housing is formed by a secondary process after the row of terminals are assembled.
3. The two-way dual-sided electrical connector of claim 1, wherein the two insulative housing bodies are connected to each other by a connecting bridge, such that the two insulative housing bodies are formed by one-time plastic injection molding.
4. A bi-directional double-sided electrical connector as claimed in claim 3, which may be one of the following a and b:
a. wherein the connecting material bridge is a plastic material bridge, and the plastic material bridge and the two insulating base bodies are integrally formed by plastic injection molding;
b. the connecting material bridge is a metal material bridge which is integrally connected with a pair of adjacent terminals with the same circuit in the two rows of terminals.
5. The electrical connector according to claim 1, wherein two rows of terminals are respectively provided at outer sides thereof with a pair of ground terminals arranged in bilateral symmetry, the two rows of terminals are respectively provided at intermediate portions thereof with a pair of power terminals arranged in bilateral symmetry, two pairs of ground terminals of the two rows of terminals are respectively aligned vertically and two pairs of ground terminals of the two pairs of power terminals are respectively aligned vertically, the pair of ground terminals of at least one of the two rows of terminals are integrally connected to a large U-shaped connecting piece, terminals of the pair of power circuits of at least one of the two rows of terminals are integrally connected to a small U-shaped connecting piece, the large U-shaped connecting piece is located at an outer periphery of the small U-shaped connecting piece and is in a large U-in-package small U-shape, wherein the two contact portions of the two ground terminals are aligned vertically and the two legs of the two ground terminals are close to each other, and wherein the two contact portions of the two power terminals are aligned vertically and the two contact portions of the Close to each other, so that the pin bonding wires can be reduced.
6. The bi-directional double-sided electrical connector of claim 5, wherein the large and small U-shaped connecting tabs each extend rearwardly around the leg of a middle one of the row of terminals.
7. The bi-directional dual-sided electrical connector of claim 6, wherein the large U-shaped connecting piece of the row of terminals and the horizontal leg of the row of terminals have a height difference, and the small U-shaped connecting piece of the row of terminals and the horizontal leg of the row of terminals have a height difference.
8. The bi-directional double-sided electrical connector of claim 1, which may be one of the following a to c:
a. wherein the fixing structure is formed by sealing compound;
b. wherein the fixing structure is formed by hot melting;
c. the fixing structure is a slot structure, and when the terminal is placed into the terminal slot along the up-down direction, the terminal is displaced along the front-back direction, so that the fixing part of the terminal can be clamped by the slot structure.
9. The electrical connector of claim 1, wherein a metal partition is disposed between the two insulative housing bodies, and elastic fasteners are integrally connected to two sides of the metal partition and extend into two sides of the connecting slot.
10. The electrical connector of claim 1, wherein at least one grounding member is disposed between the two insulative housing bodies and the metal shell, the contact portions of the two rows of terminals protrude from the rear section, and the grounding member is connected to at least one spring piece protruding from the front section and extending into the connecting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110191999.2A CN113571939A (en) | 2016-01-22 | 2017-01-23 | Bidirectional double-sided electric connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662281765P | 2016-01-22 | 2016-01-22 | |
| US62/281,765 | 2016-01-22 | ||
| PCT/CN2017/072259 WO2017125091A1 (en) | 2016-01-18 | 2017-01-23 | Bidirectional double-sided electrical connector |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110191999.2A Division CN113571939A (en) | 2016-01-22 | 2017-01-23 | Bidirectional double-sided electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109075485A CN109075485A (en) | 2018-12-21 |
| CN109075485B true CN109075485B (en) | 2021-02-26 |
Family
ID=61725347
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780007866.7A Expired - Fee Related CN109075485B (en) | 2016-01-22 | 2017-01-23 | Bidirectional double-sided electric connector |
| CN202110191999.2A Pending CN113571939A (en) | 2016-01-22 | 2017-01-23 | Bidirectional double-sided electric connector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110191999.2A Pending CN113571939A (en) | 2016-01-22 | 2017-01-23 | Bidirectional double-sided electric connector |
Country Status (3)
| Country | Link |
|---|---|
| JP (2) | JP6974328B2 (en) |
| CN (2) | CN109075485B (en) |
| TW (2) | TWM567501U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382877B (en) * | 2020-11-05 | 2022-11-29 | 深圳市正耀科技有限公司 | TYPE C male connector with high-speed transmission rate and production process |
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- 2017-01-23 JP JP2018538180A patent/JP6974328B2/en active Active
- 2017-01-23 TW TW106201205U patent/TWM567501U/en not_active IP Right Cessation
- 2017-01-23 TW TW106102520A patent/TW201801424A/en unknown
- 2017-01-23 CN CN202110191999.2A patent/CN113571939A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019504456A (en) | 2019-02-14 |
| JP2022025126A (en) | 2022-02-09 |
| JP6974328B2 (en) | 2021-12-01 |
| CN109075485A (en) | 2018-12-21 |
| TWM567501U (en) | 2018-09-21 |
| CN113571939A (en) | 2021-10-29 |
| TW201801424A (en) | 2018-01-01 |
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Effective date of registration: 20220517 Address after: 13 / F, 12 / F, 888 Jingguo Road, 22 bianzhouli, Taoyuan District, Taoyuan City, Taiwan, China, China Patentee after: TOP YANG TECHNOLOGY ENTERPRISE CO.,LTD. Address before: 12 floor, 86 Fu Lu street, rezhu District, Taoyuan City, Taiwan, China Patentee before: Jie Li Intellectual Property Co.,Ltd. |
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