TWI509921B - Electrical connector and complementary electrical connector - Google Patents

Description

Electrical connector and its docking electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that can establish an electrical connection between two electronic components and a docking electrical connector.

Electrical connectors are widely used in the electronics field. They are used in components and components, components and systems, systems and systems in electronic devices. Electrical connections and signal transmission are essential components for a complete system.

SAS (Serial Attached SCSI) is a SCSI (Small Computer System Interface) based on serial technology. It has the advantages of general serial technology for high-speed signal transmission. In addition, it has another significant advantage to provide compatibility with SATA (Serial Advanced Technology Attachment). In other words, if the computer system supports both SAS and SATA protocols, the SATA plug connector can be directly interfaced with the SAS socket connector. In this way, system vendors can integrate SATA and SAS devices, significantly reducing manufacturing costs compared to two independent SATA and SAS devices.

The SAS socket connector has substantially the same configuration as the SATA socket connector, except that the SATA socket connector has two receiving cavities, and the SAS socket connector combines the two receiving cavities to form a larger receiving cavity. In addition, SAS socket connector Compared with the SATA socket connector, two sets of conductive terminals are disposed on the first sidewall, and a third set of conductive terminals is added on the second sidewall opposite to the first sidewall to enhance the stability of the server. The structure of such a SAS socket connector is disclosed in the patent publication No. CN2689512Y. However, SATA and SAS connectors have a certain bottleneck in the bandwidth and transmission speed of the interface, and cannot meet the needs of high-speed and large-capacity transmission.

In view of the above deficiencies, it is indeed necessary to provide an improved technical solution to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electrical connector, especially an electrical connector capable of establishing an electrical connection between two electronic components and a docking electrical connector.

In order to achieve the above object, the present invention provides an electrical connector having a vertically long first insulative housing, the electrical connector being provided with a continuous receiving slot along a longitudinal direction of the first insulative housing, the first insulative housing The first side wall and the second side wall extend from the base and are located on opposite sides of the receiving groove, the first side wall has a first abutting portion facing the receiving groove and the first side a first abutting portion is disposed between the first abutting portion and the second abutting portion, and the first groove is provided with a third abutting portion facing the receiving groove, wherein the first and second butting portions respectively A plurality of first and second conductive terminals are disposed, and the third butted portion is provided with a plurality of third conductive terminals.

The present invention also provides a docking electrical connector that cooperates with the above electrical connector, and has a longitudinally long second insulative housing, the second insulative housing includes a base body and a tongue plate extending from one side of the seat body The tongue has opposite first and second surfaces The first surface has a first joint portion and a second joint portion, a first protrusion portion is disposed between the first joint portion and the second joint portion, and a third joint portion is disposed on the first protrusion portion. The first and second joint portions are respectively provided with a plurality of first and second butt joints, and the third joint portion is provided with a plurality of third butt joints.

Compared with the prior art, the first recess of the present electrical connector is provided with a third abutting portion facing the receiving slot, and the first protruding portion of the mating electrical connector is provided with a third engaging portion, and the two electrical connectors are The combination can increase the transmission channel and improve system stability, while also being compatible with existing SATA and SAS electrical connectors.

1‧‧‧Electrical connector assembly

2‧‧‧Electrical connector

21‧‧‧First Insulation Body

211‧‧‧ housing trough

212‧‧‧ base

213‧‧‧First side wall

2131‧‧‧First docking

2132‧‧‧Second docking department

2133‧‧‧ third docking department

2134‧‧‧Fourth Docking Department

2135‧‧‧First groove

214‧‧‧ second side wall

2141‧‧‧Fourth Docking Department

22‧‧‧Electrical terminals

221‧‧‧First conductive terminal

2211, 2212‧‧‧Contacts

222‧‧‧Second conductive terminal

223‧‧‧third conductive terminal

2231‧‧‧Contacts

224‧‧‧fourth conductive terminal

3‧‧‧Docking electrical connector

31‧‧‧Second insulation body

311‧‧‧ body

312‧‧‧ tongue plate

313‧‧‧ first surface

3131‧‧‧First joint

3132‧‧‧Second joint

3133‧‧‧3rd joint

3134‧‧‧4th joint

3135‧‧‧First convex

314‧‧‧ second surface

32‧‧‧Docking terminal

321‧‧‧First docking terminal

3211, 3221, 3241‧‧‧Contacts

322‧‧‧second docking terminal

323‧‧‧ third docking terminal

3231‧‧‧Contacts

324‧‧‧fourth docking terminal

33‧‧‧ Solid Board Department

41‧‧‧First card firmware

51‧‧‧Second card firmware

The first figure is a perspective view of the separated state of the assembled electrical connector assembly.

The second figure is a perspective view of the separated state of the combination of the present electrical connector; the third figure is a perspective view of the separated state of the present electrical connector combined with another view; the fourth figure is the stereoscopic decomposition of the electrical connector in the combination of the present electrical connector Figure 5 is a perspective exploded view of the docking electrical connector of the present invention; and the sixth drawing is a cross-sectional view of the present invention in the direction of VI-VI of the first drawing.

The specific implementation of the present invention is described in detail below with reference to the drawings.

Referring to the first, second and third figures, the present invention is an electrical connector assembly 1 for use as an interface for a small-sized hard disk memory. The electrical connector assembly 1 includes an electrical connector 2 and cooperates therewith. Docking electrical connector 3.

Referring to the fourth and sixth figures, the electrical connector 2 includes a vertically long first insulative housing 21 and a plurality of conductive terminals 22 received in the first insulative housing 21 . The first insulating body 21 The longitudinal direction is provided with a continuous receiving groove 211. The first insulating body 21 further includes a base portion 212 and opposite first side walls 213 and second side walls 214. The first side wall 213 and the second side wall 214 extend from the base portion 212 and are located on opposite sides of the receiving groove 211. The outer side of the first side wall 213 is a smooth flat wall surface, and the inner side has a first abutting portion facing the receiving groove 211. The second mating portion 2132 and the first recess 2135 are disposed between the first mating portion 2131 and the second mating portion 2132. A third abutting portion 2133 facing the receiving groove 211 is disposed in the first recess 2135. In the longitudinal direction, the first abutting portion 2131 is shorter than the second abutting portion 2132, and the third abutting portion 2133 is the shortest, so that the first groove 2135 is asymmetrically disposed in the receiving groove 211. Since the three abutting portions provided on the first side wall 213 have a common outer flat wall surface, and because the first groove 2135 is present, the thickness of the third abutting portion 2133 is relatively thinner, that is, the first side wall 213 corresponds to the first The thickness of the first butt portion 2131 and the second butt portion 2132 is the same, and the thickness of the third butt portion 2133 is smaller than the thickness of the first butt portion 2131 and the second butt portion 2132. The second sidewall 214 has the same thickness, and has an inner plane facing the receiving groove 211 and an outer plane parallel to the inner plane. The portion of the second sidewall 214 facing the receiving groove 211 forms a fourth abutting portion 2134. The conductive terminal 22 includes a first conductive terminal 221 received in the first docking portion 2131 for transmitting a signal, a second conductive terminal 222 received in the second docking portion 2132 for transmitting power, and received in the first recess 2135. The third docking portion 2133 is a third conductive terminal 223 for transmitting signals and a fourth conductive terminal 224 for transmitting signals to the fourth docking portion 2134. The plurality of first conductive terminals 221 and second conductive terminals 222 disposed on the first butting portion 2131 and the second butting portion 2132 have arc-shaped bent contact portions 2211 and 2212 and are disposed on the third butting portion 2133. The third conductive terminal 223 has a flat contact portion 2231. The design does not need to additionally increase the thickness of the side wall to accommodate the curved and bent conductive terminals, and at the same time, it does not cause possible interference with existing products. Third conductive terminal The width of the contact portion of the 223 is smaller than the width of the first conductive terminal 221 so as to be disposed in the narrow and thin third abutting portion 2133. The fixing portion of the conductive terminals is fixed to the base portion, and the two sides of the fixing portion are barbed. It is fixed by the interference fit of the base. The fourth conductive terminal 224 is disposed on the second sidewall 214 of the electrical connector 2, and is disposed opposite to the first butt portion 2131, the second butt portion 2132, and the third butt portion 2133 of the first sidewall 213. And the pitch of the contact portion of the fourth conductive terminal 224 is smaller than the pitch of the contact portion of the first conductive terminal 221 to realize configuring more transmission channels in a limited space.

Referring to the third, fifth, and sixth figures, the docking electrical connector 3 includes a vertically long second insulative housing 31, a plurality of mating terminals 32 mounted to the second insulative housing 31, and a solid portion of the fixed mating terminal 32. Plate portion 33. The second insulative housing 31 includes a base 311 and a tongue 312 extending from a side of the base 311. The tongue 312 has a first opposing surface 313 and a second surface 314. The first surface 313 has a first surface 313. a joint portion 3131 and a second joint portion 3132 and a first protrusion portion 3135 disposed between the first joint portion 3131 and the second joint portion 3132, wherein the first protrusion portion 3135 is provided with a third joint portion 3133; The second surface 314 is provided with a fourth joint portion 3134. The mating terminal 32 includes a first butt terminal 321 , a second butt terminal 322 , and a third butt terminal 323 respectively received in the first joint portion 3131 , the second joint portion 3132 , the third joint portion 3133 , and the fourth joint portion 3134 . And a fourth docking terminal 324. The plurality of first butt terminals 321 , the second butting terminal 322 , and the fourth butting terminal 324 disposed on the first joint portion 3131 , the second joint portion 3132 , and the fourth joint portion 3134 each have a flat contact portion 3211 . 3221, 3241, and the third butt terminal 323 disposed on the third joint portion 3133 has a curved bent contact portion 3231 to cooperate with the third conductive terminal 223 on the electrical connector 2. Accordingly, the width of the third docking terminal 323 contact portion is smaller than the width of the first docking terminal 321 to ensure matching terminal arrangement between the electrical connector combinations. Said The fourth butt terminal 324 is disposed on the second sidewall 214 of the electrical connector 2, and is disposed opposite to the first joint portion 3131, the second joint portion 3132, and the third joint portion 3133 of the first surface 313. The pitch of the contact portion of the fourth butt terminal 324 is also smaller than the pitch of the contact portion of the first conductive terminal 221 to match the electrical connector 2.

The electrical connector 2 is fixed to the circuit board by a first fastening member 41 disposed at two ends of the first insulative housing 21 in the longitudinal direction, and the mating electrical connector 3 passes through the second card disposed at both ends of the second insulative housing 31 in the longitudinal direction. The firmware 51 is fixed to the corresponding circuit board.

When the two electrical connectors are butted, the tongue 312 of the second insulative housing 31 is inserted into the receiving slot 211 of the first insulative housing 21, and the first protrusion 3135 is slid into the first recess 2135. Guided and foolproof. At the same time, the conductive terminals 22 disposed on the first butting portion 2131, the second butting portion 2132, the third butting portion 2133, and the fourth butting portion 2141 are respectively connected to the first joint portion 3131, the second joint portion 3132, and the third joint portion. The butted terminals 32 of the portion 3133 and the fourth joint portion 3134 are in contact with each other to form an electrical connection. Based on the compatibility and compatibility of the existing connector architecture, this design effectively utilizes and excavates the groove and rib structure on the limited space of the existing electrical connector, and effectively implements the interface and terminal structure of the inter-connector connector. The optimization, the transmission channel is increased, and the combined bandwidth and transmission speed of the electrical connector are further improved.

The technical content and technical features of the present invention have been disclosed above, but those skilled in the art may still make various substitutions and modifications based on the teachings and disclosures of the present invention without departing from the spirit of the present invention. Therefore, the scope of protection of the present invention is not limited to The disclosure of the embodiments, including various alternatives and modifications, without departing from the invention, is covered by the scope of the claims.

2‧‧‧Electrical connector

211‧‧‧ housing trough

2135‧‧‧First groove

214‧‧‧ second side wall

3‧‧‧Docking electrical connector

Claims (9)

An electrical connector having a vertically long first insulative housing, the electrical connector being provided with a continuous receiving slot along a longitudinal direction of the first insulative housing, the first insulative housing further comprising a base, a first sidewall and a second a first side wall and a second side wall extending from the base and located on opposite sides of the receiving groove, the first side wall having a first abutting portion and a second abutting portion facing the receiving groove, wherein the first butting portion A first groove is disposed between the first and second abutting portions, and the first and second abutting portions are respectively provided with a plurality of first and second conductive portions. The third butt joint portion is provided with a plurality of third conductive terminals, the second side wall is provided with a fourth abutting portion facing the receiving groove, and the first butt portion and the first side wall are first, second and third The abutting portions are oppositely disposed, and the fourth butting portion has a plurality of fourth conductive terminals. The electrical connector of claim 1, wherein the second sidewall has a uniform thickness, the first sidewall corresponds to the first butt portion and the second butt portion has the same thickness, and the third butt portion has a thickness The thickness is smaller than the thickness of the first butt joint and the second butt joint. The electrical connector of claim 1, wherein the position of the second side wall relative to the first, second and third abutting portions is arranged to be full of the fourth conductive terminal. The electrical connector of claim 3, wherein the first abutting portion of the first side wall is shorter in the longitudinal direction than the second abutting portion, and the third butting portion is the shortest. The electrical connector of claim 1, wherein the first and second conductive terminals respectively comprise a fixing portion fixed to the base portion and an arc-shaped bent contact portion extending into the receiving groove, the third The conductive terminal includes a fixing portion fixed to the base portion and a flat-shaped contact portion extending to the base portion, and the fourth conductive terminal includes a fixing portion fixed to the base portion and an arc-shaped bent contact portion extending to the receiving groove. The electrical connector of claim 1, wherein the third conductive terminal comprises an extension The front end of each of the contact portions is aligned in the longitudinal direction; the fourth conductive terminal includes a contact portion extending into the receiving groove, and the front ends of all the contact portions are aligned in the longitudinal direction. A docking electrical connector mating with the electrical connector of claim 1 has a longitudinally elongated second insulative housing, the second insulative housing comprising a base body and a piece extending from one side of the base body a tongue plate having an opposite first surface and a second surface, wherein the first surface has a first joint portion and a second joint portion, and the first joint portion and the second joint portion are provided with a first a convex portion, a third joint portion is disposed on the first convex portion, the first and second joint portions are respectively provided with a plurality of first and second butt joints, and the third joint portion is provided with a plurality of third joints Terminal. The docking electrical connector of claim 7, wherein the second surface is provided with a fourth joint portion, the fourth joint portion being opposite to the first, second and third joint portions of the first surface The fourth joint portion is provided with a plurality of fourth docking terminals. The docking electrical connector of claim 8, wherein the position of the second surface relative to the first, second, and third joint portions is disposed to be the fourth butt joint.