TW437133B - Electrical connector and its manufacturing method - Google Patents

Abstract

An electrical connector comprises: an insulating body, a first and a second conductive terminals and a shielding case body, wherein the first and the second conductive terminals are integrally formed in the insulating body including a fixed portion secured therein, a matching portion formed on the fixed portion and extended vertically to the extending direction of the fixed portion, and a bent connection portion formed on an opposite terminal of the fixed portion. In addition, a matching portion of the conductive terminal is received in the insulating body. A receiving terminal slot connected to the insulating body is provided for receiving the connective terminals of the matching electrical connector. On the two opposite sides of the insulating body for receiving the conductive terminals, there are provided openings and through holes for enabling the mold to position the conductive terminals in the molding process.

Description

5371 3 3 V. Description of the Invention (1) [Field of the Invention] The present invention relates to an electrical connector and a manufacturing method thereof-an electrical connector in which a conductive terminal is closely contacted with an insulation book by injection molding and a manufacturing method thereof. The interface is the body [Background of the Invention] As communication network technology and data transmission between laptops and other devices become more and more frequent, the internal space of # ° relatively makes it internal :: The body official has only a limited heart 1 疋 Electrical connection writing widely used for transmitting data on computers. It already has a large number of high-density electrical connections. It uses the insertion method to directly insert the terminals in rows: the initial positioning in the body, and then the terminals. Apply pressure on the tail to further press the Zhizi into the interference with the insulating body. Adhesive technology solders the tail of the terminal to the circuit board. See the "Republic of China Patent Corporation Flute 77" for details. For details, see _936 "Lu Di 208350, 79204276, 8 Revealed in Case No. 2.1, No. 66, ^ However, the mechanical and electrical properties of such products may not be available; Yu Laiyu, there are more and more terminal receiving grooves in the original body, and the arrangement is easy to ensure:-的 The uniform way of shooting out of the walls of each containment tank must be stabilized by using ΐ ΐ. Furthermore, the 'insertion assembly' can only be achieved if the extrusion edge body is squeezed by each other. And receiving sub-robin easily cause mechanical damage to the wall surface of the groove, r '43713? Fifth, the invention described

If cracks or burrs occur on the terminals, the receiving wall is scratched, or even the terminals cannot be effectively isolated from each other, which affects the electrical quality of the electrical connector. In addition, the 'adhesive technology' requires a high number of terminals and a high-density electrical connector. 5 'requires its terminals to have a high coplanarity, so as to ensure good soldering quality. However, the conventional press-in assembly method ^ ^ When entering the terminal, it is inevitable that the soldering tail of the terminal will be forced to bend and cause its coplanarity to decrease, which is not conducive to its bonding to the circuit board.

In In order to solve these problems, the industry mostly uses internal mold molding to join the electrical connector and the insulating body together. For related know-how, please refer to US Nos. 5,274, 918, 4,775,333, 5,052,936, 5,074,039, 5 653,611. Projects, but these technologies use terminal strips to place conductive terminals < inside the molding mold, but under the impact of plastic solution, because the density of conductive terminals is relatively high, 'the size of the conductive terminals and the mechanical strength are relatively low,' under the impact, the conductive The terminal will have a certain deformation, and this kind of deformation will also cause the positioning of the conductive terminal in the insulating body to be deviated or the welding portion of the conductive terminal to be uneven, which is not conducive to the connection between the electrical connector and the mating electrical connector or Soldering between the lead terminal and the circuit board. '[Objective of the Invention] An object of the present invention is to provide an electrical connector that integrates a conductive terminal into a beam by projecting it into an integrated body. Another object of the present invention is to provide a method for manufacturing an electrical connector in which a conductive terminal is integrated with an insulating body by injection molding. Another object of the present invention is to provide a conductive terminal with a larger connection.

Page 5 11371 3 3 V. Description of the invention (3) Contact surface for easy connection with the invention [Feature of the invention] The electrical connector for docking according to the above-mentioned docking electrical connector. For the purpose of creation, the present invention electrically connects the first and first conductive terminals and the shielding case, and is formed in an insulating body, including a fixed portion and an extension terminal, a fixed portion connecting portion, and a conductive terminator. Holes are provided on both sides of the terminal provided at the opposite end of the butt-fixed electrical terminal body and fixed to the opposite portion of the insulator, and are connected at the opposite end of the edge body by the edge body. The receiving groove is interspersed with the insulating body, and it is electrically conductive if it is arranged in the forming process, and the conductive terminal is convenient for the opposite connection connector includes: the first and the first are held in the insulating extension direction and extend vertically to the other. In the insulation book, it is generally used to accommodate the opposite conductive terminal pair with the mold core positioning terminal in the conductive body of the conductive body that is connected to the extension of the conductive body by the signal from the front part of the butt joint. The surface and the crime pass wheel = According to the above creative purpose, the method of manufacturing the electrical connector of the present invention includes:!: Two sets = the first and second terminal sections and the cover shell of the belt and the positioning of the farm, where The guide guide;. ^ Κ τ side guides include a fixed part held in the insulating body, a side of the fixed part, and a toilet face such as ^ Α contact with the extension of the fixed part extending perpendicularly and The connecting part at the opposite end of the fixed part; put the first and the first-a certain length of the book w $ + sub-belt of a certain length into the molding mold, the connection band of the first and first conductive terminals is the road H, ^ i4i is suitable for fixing by spraying and conductive terminals And the corresponding structure of the molding plate and the corresponding structure to stabilize the conductive terminal _ Electric Ding Degu group is set in the help mold 后, after the wrong injection molding, the first-and-end + Λ. Hang a worm band Fixed in insulating body

Page 6 f · 43713 3 V. Description of the invention (4) Remove the connection tape of the terminal strip and put the insulating body with conductive terminals into the shielding case. [Brief description of the drawings] The first figure is an exploded perspective view of the electrical connector of the present invention. The second figure is a three-dimensional assembled view of the electrical connector of the present invention. The third diagram is a front view of the electrical connector shown in the second diagram. The fourth diagram is a rear view of the electrical connector shown in the second diagram. The fifth diagram is a perspective view of the first and second conductive terminal strips with the positioning device and the connecting tape during the manufacturing process of the electrical connector shown in the second diagram. The sixth diagram A is a perspective view of the first and second terminal strips formed in the insulation body shown in the fifth diagram. Fig. 6B is a cross-sectional view taken along line VI-VI in Fig. 6A. The dotted line shows the upper and lower mold cores of the molding mold used in the molding process. The sixth diagram C is a partial enlarged view of the sixth diagram B. [Description of component symbols] Electrical connector 1 Insulating body 10 Main body portion 100 First-receiving portion 101 Second receiving portion 102 Partition plate 103 First through groove 104 Second through groove 105 First rib 106 Second rib 107 Groove 108 Clip opening 109 Bump 110 First terminal receiving groove 111 Second terminal receiving groove 112 Opening 113 Beam hole 114 First terminal strip 12

Page 7 V. Description of the invention (5) The first conductive terminal 120, the first connection band 121, the first fixing portion 122, the first butting portion 123, the first connection portion 124, the first notch 125, the first positioning hole 126, the first V-shaped groove 127 The second terminal strip 13 The second conductive terminal 130 The second connecting tape 131 The second fixing portion 132 The second abutting portion 133 The second connecting portion 134 The second notch 135 The second positioning hole 136 The second V-shaped groove 137 The shielding shell Body 14 Side plate 140 Connecting plate 141 Card hole 142 Through hole 143 Ear piece 144 Holding piece 145 Baffle plate 146 Forming mold 3 Upper mold core 30 Lower mold core 31 [Preferred embodiment] Please refer to the first to fourth figures. The electrical connector 1 of the present invention includes an insulating body 10, first and second conductive terminals 120 and 130, and a shielding case 14, wherein the insulating body 10 includes a main body 100 and a first protrusion protruding from the main body 100. The first and second receiving sections 101 and 102, the first and second receiving sections 101, 102, and the first through slot i04 separated by a partition plate 103 are spaced from the second through slot 105. And the side of the first receiving portion 101 adjacent to the first through groove 104 is convex toward the first through groove “inwardly of the bucket” A first convex rib 106 is provided with a mating electrical connector (not shown) corresponding to the corresponding structure. The first receiving portion 102 is also adjacent to the second through slot 105 and is provided to protrude inwardly into the second through slot 105. Out of the second raised rib 107, and in the second receiving part

Page 8 3 3 V. Description of the invention (6) 102 is provided with a groove 108 on the opposite side, and holding holes 10 9 are provided on both ends of the main body 100, and opposite to the main body 100 There is a holding port 1 〇09-a bump protruding from the side 110 ° and the first and second receiving sections 101 and 102 are provided with receiving docking connectors for conducting the first and second conductive terminals 120 and 130 First and second terminal receiving grooves 111 and 112 of a terminal (not shown). In addition, openings 1 1 3 and through holes 11 4 are formed on the upper and lower sides of the insulating body 10 to receive the mold cores of the molding die 3 (sixth B). The first and second conductive terminals 120 and 130 include first and second fixing portions 122 ′ 132, first and second mating portions 123 extending perpendicularly to the ends of the first and second fixing portions 122 and 132, 133 and the connecting portions 124 and 134 on the opposite ends of the first and second fixing portions 122 and 132, wherein the first and second connecting portions 124 and 134 are connected to the first and second fixing portions 122 and 132, and the ends are folded by f Form a certain gap with the first and second fixing portions 122, 132, and first and second notches are provided on opposite sides of the first and second fixing portions 122, 132. 25, 135 = Shielding case 1 4 roughly It is a vertically long frame, including oppositely arranged longitudinal side plates 1 4 G and connecting plates 1 4 1 connected to opposite side plates 1 40 at both ends of the longitudinal side plates 1 40, which are opened on the side plates 1 4 0 as required. There are a plurality of card holes 14 2 and through holes 143, and one end of the connecting plate 141 on both sides is provided with ear pieces 1 4 4 which open outward at a certain angle with the connecting plate 141, and the opposite ends of the connecting plate 1 4 1 on both sides Each punching piece has a holding piece 145 ′, wherein the holding piece 145 is coplanar with the connecting plate 1 41 when it is not assembled. The other side is provided with an ear piece 1 4 4 and a connecting plate 1 4 0 and a connecting plate 1 4 1 opposite to the shielding case 1 4 connecting plate 1 41.

jail 3 3 V. Description of the invention (7) During assembly, the first and second conductive terminals 120 and 130 are integrated with the insulating body 10 by injection molding, and then the first and second conductive terminals 120 and 120 are housed. The insulating body 10 of 130 is assembled into the shielding case 14 from the end provided with the ear piece 144 of the shielding case 14, and the holding piece 145 of the connection plate 141 of the shielding case 14 is accommodated in the main body portion 100 of the insulating body 10. Inside the retaining opening 109, and the rear surface of the insulating body 10 is in contact with the side plate 140 and the connection plate 141 of the shielding case 14 and the stretch plate 1 4 6 and the side edge of the baffle plate 1 4 6 is in contact with the side wall of the bump 110. If it is an insulating body 10, the solid assembly is set in the shielding case 14. In addition, the first and second connecting portions 124 and 124 of the first and second conductive terminals 120 and 130 are exposed outside the shielding case 14 to be electrically connected to a circuit board (not shown) or other electronic devices (not shown). connection. Please refer to the fifth figure, the manufacturing method of the electrical connector 1 of the present invention includes the following steps: providing first and second terminal strips 12 and 13 and a shielding case 14, wherein the first and second terminal strips 12 and 13 13 includes first and second conductive terminals 120 and iSO, and first and second connecting belts 121 and 131 connected with the first and second conductive terminals 120 and 130 as a whole and provided with a positioning device, wherein the first and second The first and second mating portions 123 and 133 of the conductive terminals 120 and 130-the first and second connecting strips 121 and 131 at the ends are arranged perpendicular to the first and second mating portions 123 and 133, and the first and The first and second connection belts 121 and 131 of the second connection portions 124 and ι34 are provided in parallel with the first and second connection portions 124 and 134, and are provided at equal intervals on the first and second connection belts 121 and 131. A plurality of positioning holes 126 and 136 are used to position the first and second conductive terminals 120 and 13 in the molding process. Another 'on the first and second connection belt 121

Page 10 fl37t 3 3 V. Description of the invention (8), 131 is provided with first and second V-shaped grooves 127, 137 at the connection point with the first and second conductive terminals 120, 130, which is beneficial to the first and second The connecting strips 121 and 131 and the first and second conductive terminals 120 and 130 are broken off and separated from each other. Please also refer to the diagrams of the sixth A to the sixth C at the same time, the first and second terminal strips 12 and 13 are put into the molding die 3 to be integrally formed, and the first and second terminal strips 12 and 13 are borrowed from the first The corresponding structures of the first and second connecting belts 121 and 131, the first and second positioning holes 126 and 136, and the molding die 3 are initially positioned in the molding die 3, in order to prevent the first and second electrical conduction when the plastic melt is injected. The terminals 120 and 130 are deformed, and the upper and lower mold cores 30 and 31 of the molding die 3 hold the first and second fixing portions 1 and 2 of the first and second conductive terminals 120 and 130 firmly. The first and second conductive terminals i 2 0 and 1 3 0 are firmly fixed in the molding die 3 ', and then the plastic melt is injected into the molding die 3 to hold and form the first and second terminal strips 12 and 13. In the insulating body 10 with the first and second conductive terminals 120, 130. The first and second connecting strips 121 and 131 of the first and second terminal strips 12 and 13 are broken and removed from the first and second V-shaped grooves 127'137, and then the first and second conductive terminals are accommodated.丨 The insulation body 10 of 20 and 130 is provided with an ear piece 1 4 from the shielding case 1 4 and one end is assembled into the shielding case 14. Finally, the holding piece 1 4 of the connecting plate 1 41 of the shielding case 1 4 5 Bend and store in the insulating body 10 in the holding opening 10 in the main body 100, and cooperate with the baffle plate 1 4 6 to set the insulating body 10 in the shielding case 14 firmly. Comparing the conventional technology ’The electrical connector of the present invention uses the connection strip of the terminal strip and the corresponding structure of the forming mold to achieve a preliminary determination during the forming process.

Page 11 V. Description of the invention (9) Cooling and further enhancing the conductive plastic terminals when injecting plastic melt 如 'i can effectively prevent the upper and lower T-shaped cores and terminal strips. Λ \ 形 ， · Further, borrow The molding die can be stably fixed. Its 4 ^ hail guide terminal cooperates with the auxiliary device and can be effectively knotted. It is simple and does not require its second conductive terminal to be selectively connected with different electric power. To meet different needs, then: #, the conductive terminal 3 of the present invention can be connected to the side and can be connected to the docking electronic I. Electrical connection #, if it is one of the two ^ ^ connection parts to ensure the electrical connection Reliable transmission of signals between electronics and devices. ° In summary, the present invention can indeed achieve the purpose of the invention, which is in line with the elements of an invention patent, and a patent application is filed according to law. However, the above are only the preferred embodiments of the present invention. Since the scope of rights of the present invention cannot be limited by this, any equivalent changes or modifications made by those skilled in the art of the present invention in accordance with the spirit of the present invention should still be used. Covered in the following patent applications.

Claims (1)

A3T1 3 3 VI. Application for patent scope! An electrical connector manufacturing method, including the following steps: Provide first and second terminal strips, where the first _ includes the first and second conductive terminals and the first of the first and the first The second conductive terminal and the second conductive terminal each include a fixing portion, a connecting portion at the opposite end of the butting portion that extends perpendicularly to the extending direction of the fixing portion, and the two connecting bands are used to connect the electrical terminals respectively; and the first and second terminal strips are connected. The second connection belt and the first and second conductive terminal fixing parts cooperate to hold the conductive terminals in the forming mold, and the conductive terminals are stably located in the forming mold, and the first and second terminal strips are assembled by injection molding; The first and second connection bands are broken and removed; the case is lifted and the cover is set, and the cover is set in the insulated electrical connector manufacturer described in item 0 2_γ_1. The second conductive terminal fixing portion is provided for strengthening. The connecting part of the conductor is connected to the twister. * Brother and younger one guide 3_Shen Guokui w A / ,, the end of the connecting part is bent to form a certain insulation connector as described in item 1 of the electrical insulation ... Main body and autonomy The projecting portion is provided - receiving portion. Di Shen ": Exclusively? The electrical connector manufacturer described in item 3, the first and second through grooves are provided between the first receiving section, the terminal strip and the connecting tape on page 14 of the IM, and the fixing part is first fixed and correspondingly borrowed first. And in the forming mold, the outer insulation body body peripheral method, in which the electrical terminals are different from the electrical terminals. Law, where first and first law, where and first and __.- ^ ί 6. Scope of patent application The second through groove is separated by a partition plate. 5. The method for manufacturing an electrical connector as described in item 4 of the scope of the patent application, the first and second receiving sections are provided with first and second conductive terminals, and the first and second receiving sections are adjacent to the first and second receiving sections. The two conductive terminals are provided with a first and a first end receiving groove at the position of the butt joint 暴, which will blast the surface of the corresponding butt joint. 6. The method for manufacturing an electrical connector according to item 4 or 5 of the scope of patent application, wherein the first receiving portion is connected with the first through groove at one end and is provided with a first rib protruding into the inside of the first through groove. 7. The method for manufacturing an electrical connector according to item 4 of the scope of patent application, wherein the second receiving portion and the second through groove are connected at one end with a second rib protruding into the second through groove, and at the second The opposite end of the accommodating portion is provided with a recess recessed into the second accommodating portion. 8 · The method for manufacturing an electrical connector according to item 1 of the scope of the patent application, wherein the shielding shell includes opposite side plates and connection plates connecting the side plates at both ends of the side plate, and one side plate is provided with a plurality of card holes. . 9. The method for manufacturing an electrical connector according to item 8 of the scope of the patent application, wherein the side plates of the shielding case and the side plates of the connecting plate are provided with baffles. I 0 _ The method for manufacturing an electrical connector according to item 9 of the scope of the patent application, wherein the opposite end of the connection plate is provided with an ear piece that extends at an angle to the connection plate and extends outward, and is provided near the end of the connection plate baffle. The holding piece is engaged with the holding openings provided on both sides of the main body of the insulating body. II · The method for manufacturing an electrical connector as described in item 10 of the scope of the patent application, wherein the other side of the main body of the insulating body is provided with a clamping opening and the other side Page 15 437 彳 3 3 6. Scope of Patent Application The bumps on the side edges of the baffle plate are described. 12. —An electrical connector comprising: an insulating body including a main body portion and first and second receiving portions protruding from the main body portion; the first and second conductive terminals are accommodated in the insulating body, both It includes a fixing part, a docking part on one end of the fixing part and extending perpendicularly to the extending direction of the fixing part, and a connecting part on the opposite end of the fixing part; and a shielding case covering the periphery of the insulating body; Corresponding first and second terminal receiving grooves are exposed on the surface of the abutting portion, and openings and penetrating openings are provided on the upper and lower sides of the conductive terminal fixing portion to penetrate the insulating body to be used in the injection molding process. The electrical connector according to item 12, wherein the first and second conductive terminal fixing portions are provided with recesses to enhance the holding effect of the conductive terminals and the insulating body, and the corresponding connecting portions of the first and second conductive terminals are connected to the connection. The end of the part is bent to form a certain drop and is arranged along the extending direction of the fixed part. 1 4. The electrical connector according to item 12 of the scope of patent application, wherein the first and second receiving portions are provided with first and second through grooves, and the first and second through grooves are separated by one The plates are spaced apart. 1 5. The electrical connector according to item 14 of the scope of the patent application, wherein the first receiving portion is connected to the first through groove with a first rib protruding into the first through groove at one end. 16. The electrical connector according to item 15 of the scope of patent application, wherein the second terminal Page 16 Γ 43713 3 Sixth patent application scope The receiving portion is connected with the second through groove at one end and is provided with a second rib protruding into the second through groove, and the opposite end of the second receiving portion is provided into the second receiving portion. Concave groove. The electrical connector according to item 12 of the scope of patent application, wherein the shielding shell is generally in the shape of a long frame, which includes opposite side plates and connection plates that connect the side edges on the same side of the two side plates, and one side plate With multiple card holes. 18. The electrical connector according to item 7 of the scope of the patent application, wherein the shield case side plate and the two sides of one end of the connection plate are provided with baffles extending into the shield case. 19. 20 · The electrical connector described in item 18 of the scope of the patent application, wherein the opposite end of the connection plate is provided with an ear piece that extends at an angle to the connection plate and extends outward, and is provided near the end of the connection plate baffle. The holding piece is engaged with the holding openings provided on both sides of the main body of the insulating body. An electrical connector manufacturing method, comprising the following steps: providing a terminal strip, the terminal strip comprising a conductive terminal and a connecting strip, wherein the conductive terminal includes a fixing portion, a butt joint at one end of the fixing portion and extending perpendicularly to the extending direction of the fixing portion; And the connection part at the opposite end of the fixed part, and the connecting band is connected with the conductive terminal to accommodate the terminal strip in the molding die. The # 联 导 fixing part cooperates with the molding die to securely fix the conductive terminal at I_437i33_______ 6 'The scope of the patent application provides a shielded shell, and the shielded shell is set on the periphery of the insulating body. 21. The manufacturing method of the electrical connector as described in the scope of the patented item No. 20', wherein the conductive terminal fixing portion is provided to strengthen the conductivity The recess of the holding effect of the terminal and the insulating body, and the corresponding connection portion of the conductive terminal is bent at the end of the connection portion to form a certain gap. 22. The method for manufacturing an electrical connector as described in item 20 of the scope of patent application, wherein the insulating body includes a main body portion and a receiving portion protruding from the main body portion. 2 As described in item 22 of the scope of patent application The electrical connector manufacturing method 'wherein the receiving portion is provided with conductive terminals' and a k-subsidiary receiving groove which exposes the surface of the corresponding abutting portion is provided at the receiving portion's position adjacent to the conductive terminal butting portion'. 24. The method for manufacturing an electrical connector according to item 23 of the scope of patent application, wherein the shielding shell includes opposite side plates and connection plates connecting side plates at both ends of the side plate, and one side plate is provided with a plurality of card holes. . 2 5. The method for manufacturing an electrical connector as described in item 24 of the scope of the patent application, wherein the side plates of the shielding shell and the two sides of the connecting plate are provided with baffles. 2 6. The method for manufacturing an electrical connector according to item 25 of the scope of the patent application, wherein the opposite end of the connection plate is provided with an ear piece that extends at an angle with the connection plate and extends outward, and is provided near the end of the connection plate stopper. A clamping piece is engaged with the clamping openings provided on both sides of the main body of the insulating body. 2 7. The method of manufacturing an electrical connector as described in item 26 of the scope of the patent application, wherein the other side of the main body of the insulating body is provided with a clamping opening and the other side Page 18! '437t3 3 VI. Scope of patent application The bumps on the side edge of the baffle plate. 28. —An electrical connector, comprising: an insulating body including a main body portion and a receiving portion protruding from the main body portion; conductive terminals, accommodated in the insulating body, each including a fixing portion, one end of the fixing portion, and A docking portion extending vertically in a direction in which the fixing portion extends and a connecting portion at the opposite end of the fixing portion; and a shielding case covering the periphery of the insulating body; wherein the insulating body receiving portion is provided with a terminal receiving groove that exposes the surface of the corresponding receiving portion, The upper and lower sides of the conductive terminal fixing portion are provided with openings and through holes penetrating the insulating body for application in the injection molding process. Page 19