TWM416896U - Electrical connector - Google Patents

Abstract

An electrical connector for electrically connecting a chip module to a printed circuit board comprises an insulating housing and a plurality of terminals received in the insulating housing. The insulating housing has a top surface, a bottom surface relative to the top surface, and a plurality of passageways extending from the top surface to the bottom surface. Each passageway has a first side surface and a second side surface relative to the first side surface. Each terminal has a base portion, an elastic arm bending upwardly from a top position of the base portion, two barbs respectively bending from two sides of the base portion and a soldering portion bending downwardly from the base portion. The barbs hold the terminals in the insulating housing through the base portion abutting against the first side surface of the insulating housing and the barbs interfering with the second side surface of the insulating housing.

Description

M416896 V. New Description: [New Technology Field] [0001] The present invention relates to an electrical connector, and more particularly to an electrical connector for electrically connecting a chip module and a circuit board. [Prior Art] [0002] An electrical connector related to the present invention is used to electrically connect a chip module and a circuit board, as disclosed in the Patent No. 1291 266 of the Republic of China. The electrical connector includes an insulative housing and a plurality of conductive terminals received in the insulative housing. The insulative housing has a receiving surface for carrying the wafer module, a mounting surface opposite to the printed circuit board, and a plurality of terminal slots arranged in a matrix arranged through the receiving surface and the mounting surface. The terminal slot includes an elongated holding slot and a receiving slot that communicates perpendicularly with the retaining slot. The conductive terminal includes a base portion, an elastic arm bent upward from the top end of the base portion, and a welded portion extending in a horizontal direction after being bent downward from the base portion. The base has a vertical plate shape with a plurality of barbs protruding from both sides. The electrical connector is interference-fitted by the barb of the conductive terminal and the sidewall of the holding groove to receive the conductive terminal in the holding groove. [0003] With the continuous development of miniaturized and high-density electrical equipment, the density of the conductive terminals of the electrical connector is getting larger and larger, the spacing of the conductive terminals is getting smaller and smaller, and the distance between the terminal slots of the insulating body accommodating the conductive terminals is required. It is getting smaller and smaller. However, the conductive terminals are held in the insulating body by the interference between the barbs protruding from the two sides of the main body and the plane of the terminal groove on the plane of the base, and the barbs penetrate the plastic between the terminal slots and are adjacent to the conductive The terminals are in contact and the conductive terminals may be short-circuited. In view of this, it is indeed necessary to provide an improved electrical connector to overcome the deficiencies of the prior art form number A0101, page 4 of the M416896 technique. [New Content] [0005] The purpose of this creation is to provide an electrical connector that prevents shorting of conductive terminals. The electrical connector of the present invention can be realized by the following technical solutions: an electrical connector for electrically connecting the chip module and the circuit board, comprising an insulating body and a plurality of conductive materials received in the terminal receiving grooves of the insulating body Terminal. The insulating body has a top surface and a bottom surface disposed opposite to each other, and a plurality of terminal receiving grooves penetrating through the top surface and the bottom surface, and the terminal receiving grooves have opposite first and second side wall surfaces. The conductive terminal includes a main body portion, an elastic arm that is bent upwardly from a top end of the main body portion, and a welded portion that is bent downwardly from the main body portion. The conductive terminal further includes a barb extending from both sides of the body portion. The main body portion can abut against the first side wall surface of the terminal receiving groove, and the barb can interfere with the second side wall surface of the terminal receiving groove to hold the conductive terminal in the insulating body. The electrical connector of the present invention can be realized by the following technical solutions: an electrical connector for electrically connecting the chip module and the circuit board, comprising an insulating body and a plurality of conductive materials received in the terminal receiving grooves of the insulating body Terminal. The insulating body has oppositely disposed top and bottom surfaces and a plurality of terminal receiving grooves extending through the top and bottom surfaces. The conductive terminal comprises a main body portion, an elastic arm bent upwardly from the top end of the main body portion, and a welded portion which is bent and extended downward from the main body portion. The conductive terminal further includes a barb extending from both sides of the main body portion. The barb may interfere with the corresponding wall surface of the terminal receiving groove of the insulative housing in a direction perpendicular to the main body portion to hold the conductive terminal in the insulating body. Form No. A0101 Page 5 of 22 [0008] Compared with the previous (4), the connector of the connector f abuts against the first wall surface of the insulative housing, and the barb and the second side interfere with each other. The t-end is held in the insulative body, and the electrical terminals are short-circuited with a small terminal spacing. [Embodiment] [0009] The first to the first embodiment of the present invention is an electrical connector (10) for electrically connecting a chip module (not shown) and a circuit board (not shown) including insulation. The main body 1 and the plurality of conductive terminals 2 housed in the insulative housing and the plurality of solder balls 3 mechanically held on the insulative housing 1 . [0010] Please refer to the third figure, 'the conductive terminal 2 is made of a conductive material stamping and bending, which comprises a vertical plate-shaped main body portion 2〇, two holding portions 21 extending vertically upward from both sides of the top end of the main body portion 2〇 The elastic arm 22 which is bent upwardly and extended from the position where the top end of the main body portion 2 is located between the two holding portions 21, the contact portion 23 provided at the end of the elastic arm 22, and the main body portion 20 are bent and extended to extend out of the main body portion 20 The plane extending arm 24 and the hook-shaped welding portion 25 which is bent downward from the central portion of the bottom end of the main body portion 20 are formed. The holding portion 21 and the main body portion 2 are placed on the same vertical plane and are substantially in the shape of an inverted triangle which is large and small. The extension arm 24 extends beyond the plane of the main body portion 20 and is located on the same side of the main body portion 2'' with the welded portion 25. The end of the extension arm 24 is provided with a barb 240 and the barb 240 is disposed substantially in a "c" shape with the body portion 20. The elastic arm 22 is substantially in the shape of a peak, and includes a first arm portion 220 which is bent upwardly from a top end of the main body portion 2 朝 away from the plane of the main body portion 20, and is extended from the end of the first arm portion 220 toward the main body portion. 2第二 The plane in which the plane is bent and tilted upwardly extends the second arm portion 221. The contact portion 23 is disposed at the end of the second arm portion 221 and protrudes from the top surface of the insulative housing 1 when the conductive terminal 2 is assembled in the insulative housing 1. The form number is Α0101. Page 6 of 22 [0011] It is in contact with the conductive sheet of the wafer module (not shown) for electrically conducting between the electrical connector 100 and the wafer module (not shown). The soldering can be combined with the insulating body lg& to mechanically hold the solder ball 3 on the insulating body 1 and soldered to the circuit board (not shown) by the solder ball 3 for implementing the electrical connector 1 and the circuit board. (not shown) is electrically connected. [0012] Referring to the second to fifth figures, the insulative housing i is made of an insulating material having oppositely disposed top surfaces 10 and bottom surfaces n and a plurality of terminal receiving slots 12 extending through the top surface 10 and the bottom surface 11. . The terminal receiving slot 12 is configured to receive the conductive strip 2, and includes a receiving groove 120, a holding groove 121 on both sides of the receiving groove 120 and communicating with the receiving groove 120 side, and a concave groove Pa and a valley from the top surface 1〇 The nanogroove 120 is disposed substantially in a rectangular shape with respect to the groove 122 » the receiving groove 120, and has a first guiding surface 12〇〇 inclined. The holding portion 121 is configured to receive the holding portion 21 of the conductive terminal 2. The main body portion 2 of the conductive terminal 2 can abut the first sidewall surface 123. The barb 240 can interfere with the second sidewall surface 124 to connect the conductive terminal. 2 is held in the insulative housing 1 and the vertical distance between the barbs 240 of the conductive terminals 2 and the main body 20 is slightly larger than the width of the holding slots 121 of the insulative housing. The recess 122 is generally rectangular in shape for receiving the first arm portion 220 of the resilient arm 22 of the conductive terminal 2 having an inclined second guiding surface 1220. The bottom surface η of the insulative housing 1 is recessed upwardly to form a solder ball receiving groove 13 located below the terminal receiving groove 12 and communicating with the terminal receiving groove 12. The solder ball receiving groove 13 and the soldering portion 25 of the conductive terminal 2 are surrounded by a receiving space 15 for accommodating the solder ball 3. When assembling, firstly, the first guiding surface 1200 and the second receiving groove 2 of the insulating body 1 are received. The conductive terminal 2 is inserted into the insulative housing 1 from top to bottom under the guidance of the guiding surface 1220. At this time, the holding portion 21 of the conductive terminal 2 is housed in the holding groove 121 of the insulative housing 1 in the form number A0101. The first arm portion 221 of the resilient arm 22 of the conductive terminal 2 is received in the recess 122. The conductive terminal 2 further includes a barb extending from both sides of the main body portion 20, and the barbs 24〇 can interfere with the corresponding wall surface of the terminal receiving groove 12 of the insulative housing 1 in a direction perpendicular to the main body portion 2〇. The conductive terminal 2 is held in the insulating body 丨. The main body portion 20 of the conductive terminal 2 abuts against the first side wall surface 123 of the terminal receiving groove 12 of the insulative housing 1 and the barb 240 of the conductive terminal 2 and the second side wall surface 24 of the terminal receiving groove 12 of the insulative housing 1 Interference fit. Then, the soldering portion 25 of the conductive terminal 2 cooperates with the solder ball receiving groove 3 of the insulating body to mechanically hold the solder ball 3 on the insulating body 1. At this time, the solder ball 3 is housed in the housing space 15 formed by the soldering portion 25 and the solder ball receiving groove 13. [〇〇14] After the assembly, the electrical connector 1 can be contacted with the conductive piece of the top end of the insulative housing 1 by the conductive terminal 2, and the conductive piece of the wafer module (not shown) is contacted, and the solder ball 3 is used. The soldering portion 25 is soldered to a circuit board (not shown) to electrically connect the electrical connector 100 to the electrical connection between the chip module (not shown) and the circuit board (not shown). The barbs 240 of the conductive terminals 2 of the present electrical connector 100 are bent from both sides of the main body portion 20 to extend out of the plane of the main body portion 2 and are located on the same side of the main body portion 20 as the welded portion 25. The main body portion 2 of the conductive terminal 2 abuts against the first side wall surface 123 of the terminal receiving groove 12 of the insulative housing 1 and the barb 240 of the conductive terminal 2 interferes with the second side wall surface i 24 of the terminal receiving groove 12 of the insulative housing 1 In cooperation, the conductive terminal 2 is held in the insulative housing 1 , and the barbs 240 of the conductive terminal 2 extend along the extending arm 24 from the plane of the main body portion 20 instead of being interfered with in the plane of the main body portion 20 to prevent interference. The conductive terminal 2 is short-circuited with a small terminal pitch. In addition, the electrical connector Form No. A0101 Page 8 of 22 M416896 [0016]

[0019] [0020] [0020]

[0025] [0025] [0027] 100 and by the soldering portion 25 and the solder ball receiving groove 13 of the insulative housing 1 to mechanically hold the solder ball 3 on the insulative body 1, without prior Soldering the solder ball 3 to the conductive terminal 2 simplifies the operation process and saves processing costs. In summary, the creation complies with the new patent requirements and submits a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application. [Simple diagram of the diagram] The first diagram is a three-dimensional combination diagram of the original electrical connector; the second diagram is a three-dimensional combination diagram of another perspective of the original electrical connector; the third diagram is a three-dimensional decomposition of the original electrical connector Figure 4 is a perspective view of the insulative body of the present electrical connector; the fifth figure is a perspective view of another angle of the insulative body of the present electrical connector; and the sixth figure is a top view of the invented electrical connector. [Main component symbol description] Electrical connector: 100 Insulation body: 1 Top surface: 1 0 Bottom surface: 11 Terminal receiving slot: 12 Form number A0101 Page 9 of 22 M416896 [0028] Storage slot: 120 [0029] One guiding surface: Ϊ200 [0030] Holding groove: 121 [0031] Groove: 122 [0032] Second guiding surface: 1220 [0033] First side wall surface: 123 [0034] Second side wall surface: 124 [0035 ] Tin ball receiving groove: 13 [0036] Containing space: 15 [0037] Conductive terminal: 2 [0038] Main body: 20 [0039] Holding portion: 21 [0040] Elastic arm: 22 [0041] First arm: 220 [0042] Second arm: 221 [0043] Contact: 23 [0044] Extension arm: 24 [0045] Barb: 240 [0046] Weld: 25 Form No. A0101 Page 10 of 22 M416896 [ 0047] Tin Ball: 3 Form No. A0101 Page 11 of 22

Claims (1)

M416896 ", the scope of application for patents: 1. An electrical connector for electrically connecting a chip module and a circuit board, comprising an insulative body having oppositely disposed top and bottom surfaces and a plurality of terminal receiving through the top and bottom surfaces a slot, the terminal receiving slot has a first side wall surface and a second side wall surface; and a plurality of conductive terminals are received in the terminal receiving groove of the insulative housing, and include a main body portion; wherein the conductive terminal further comprises a main body portion The main body portion can abut against the first side wall surface of the terminal receiving groove, and the barb can interfere with the second side wall surface of the terminal receiving groove to hold the conductive terminal to the insulating body. 2. The electrical connector of claim 1, wherein the main body of the conductive terminal is bent and extended on two sides to provide two extending arms, and the barb is disposed at an end of the extending arm. The electrical connector of claim 2, wherein the main body portion 1 and the extension arms on both sides thereof are substantially in a "C" shape as a whole. 4. The electrical connector of claim 1, wherein the conductive terminal further comprises an elastic arm that is bent upwardly from a top end of the main body portion and a welded portion that is bent downwardly from a bottom end of the main body portion. . 5. The electrical connector of claim 4, wherein the barb of the conductive terminal is on the same side of the body portion as the weld. 6. The electrical connector of claim 4, wherein the terminal receiving groove of the insulating body comprises a receiving groove for receiving the welded portion and a holding groove for connecting the two sides of the receiving groove and communicating with the receiving groove respectively. The electrical connector of claim 6, wherein the vertical distance between the barb of the conductive terminal and the body portion is slightly larger than the insulating body. The width of the holding groove. 8. The electrical connector of claim 6, wherein the conductive terminal comprises a retaining portion extending upwardly from opposite sides of the body portion. 9. The electrical connector of claim 8, wherein the retaining portion of the conductive terminal extends vertically upward from both sides of the top end of the body portion and is received in a retaining groove of the insulative housing. 10. The electrical connector of claim 9, wherein the retaining portion is substantially in the shape of an inverted triangle that is large and small. 11. The electrical connector of claim 9, wherein the terminal receiving groove of the insulating body further comprises a recess recessed downwardly from the top of the insulating body and disposed opposite the receiving groove. 12. The electrical connector of claim 11, wherein the elastic arm of the conductive terminal comprises a first portion that is bent upwardly from a position in which the main body portion is located between the two retaining portions and is bent away from the main body portion. An arm portion and a second arm portion that is bent upwardly from the end of the first arm portion and extends obliquely upward toward the main body portion. 13. The electrical connector of claim 12, wherein the first arm of the resilient arm of the conductive terminal is received in the recess. The electrical connector of claim 13, wherein the conductive terminal further comprises a contact portion disposed at an end of the second arm of the elastic arm, the contact portion being disposed on the insulating body on the conductive terminal When the top of the insulating body is extended. 15. The electrical connector of claim 4, wherein the electrical connector further comprises a plurality of solder balls mechanically held in the insulative body. The electrical connector of claim 15, wherein the bottom surface of the insulative housing is recessed upwardly and is located below the terminal receiving slot and is connected to the terminal receiving form number A0101 page 13 / 22 pages M416896 The solder ball holds the slot. 17. The electrical connector of claim 16, wherein the conductive end ^* · * « — · » V » t I . a W · Η I n | L . «*·· * * » t, · m Μ I ftlk · L· O Connected to the Shao 胛 胛 泜 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , An electrical connector for electrically connecting a chip module and a circuit board, comprising: an insulating body having oppositely disposed top and bottom surfaces and a plurality of terminal receiving grooves penetrating the top surface and the bottom surface; and a plurality of conductive terminals The device is received in the terminal receiving groove of the insulative housing, and includes a main body portion; and wherein the conductive terminal further comprises a barb extending from both sides of the main body portion, the barb and the terminal receiving groove of the insulating body The corresponding wall surface is interference-fitted in a direction perpendicular to the main body portion to hold the conductive terminal in the insulating body. The electrical connector according to claim 18, wherein the main body of the conductive terminal is bent on both sides Two extension arms are provided, and the barbs are provided at the ends of the extension arms. 20. The electrical connector of claim 19, wherein the body portion and the extension arms on both sides thereof are substantially "C" shaped as a whole. The electrical connector of claim 18, wherein the conductive terminal further comprises an elastic arm that is bent upwardly from a top end of the main body portion and a welded portion that is bent downwardly from a bottom end of the main body portion . 22. The electrical connector of claim 21, wherein the barb of the conductive terminal is located on the same side of the body portion as the weld. The electrical connector of claim 21, wherein the terminal receiving groove of the insulative housing comprises a receiving slot for receiving the soldering portion and is located at a receiving position 100206883 Form No. A0101 Page 14 / Total 22 Page 1002022753- 0 M416896 Holding groove on both sides of the groove and communicating with the receiving groove respectively. The electrical connector of claim 23, wherein a vertical distance between the barb of the conductive terminal and the body portion is slightly larger than a width of the retaining groove of the insulating body. 25. The electrical connector of claim 23, wherein the electrically conductive terminal comprises a retaining portion extending upwardly from opposite sides of the body portion. The electrical connector of claim 25, wherein the retaining portion of the conductive terminal extends vertically upward from both sides of the top end of the main body portion and is received in a retaining groove of the insulative housing. The electrical connector of claim 26, wherein the retaining portion is substantially in the shape of an inverted triangle that is large and small. 28 29 The electrical connector of claim 26, wherein the terminal receiving groove of the insulating body further comprises a recess recessed downwardly from the top of the insulating body and disposed opposite the receiving groove. The electrical connector of claim 28, wherein the elastic arm of the conductive terminal comprises a first arm portion that is obliquely extended upwardly after the main body portion is located between the two retaining portions and is bent away from the main body portion. And a second arm portion that is bent upward and extends upward toward the main body portion by the end of the first arm portion. The electrical connector of claim 29, wherein the first arm of the resilient arm of the conductive terminal is received in the recess. The electrical connector of claim 30, wherein the conductive terminal further comprises a contact portion disposed at an end of the second arm of the elastic arm, the contact portion extending when the conductive terminal set is disposed on the insulating body The top end of the insulating body. The electrical connector of claim 21, wherein the electrical connector further comprises a plurality of solder balls mechanically held in the insulative body. The electrical connector of claim 32, wherein the insulating body 100206883 form number A0101 page 15 / total 22 pages 1002022753-0 M416896 the bottom surface of the body is recessed downwardly and formed under the terminal receiving groove and received with the terminal The solder ball receiving groove in which the slot is connected. The electrical connector of claim 33, wherein the soldering portion of the conductive terminal protrudes from a bottom of the insulating body and is surrounded by a solder ball receiving groove of the insulating body to form a solder ball. Containment space. 100206883 Form No. A0101 Page 16 of 22 1002022753-0