TWM641448U - Terminal module for SAS connector - Google Patents

Abstract

The present invention belongs to a terminal module of a SAS connector, comprising an insulating body, a terminal group and at least one grounding sheet, the terminal group includes a plurality of terminals, the grounding sheet is located above the terminal group and has an integral structure, the conductive structure of the grounding sheet The shrapnel abuts against the grounding terminal of the terminal group. The terminal group and the grounding piece of the integrated structure are respectively combined in the insulating body by embedded injection molding. The welding part of the terminal is exposed on the front surface of the insulating body. The terminal The contact part of the insulating body is exposed on the rear end surface of the insulating body, and the grounding sheet is embedded in the surface of the insulating body and exposed outside the insulating body , In the manufacturing process, the multi-channel assembly process is reduced, and the efficiency is improved.

Description

A terminal module of a SAS connector

The invention belongs to the field of connectors, in particular to a terminal module of a SAS connector.

SCSI is an interface that connects hosts and peripheral devices, and supports a variety of devices including disk drives, tape drives, CD drives, scanners, servers, workstations, and industrial control equipment. SAS (Serial Attached SCSI) is Serial Attached SCSI, which is a new interface technology developed after Parallel SCSI. Compared with parallel SCSI, SAS can provide faster communication transfer rate and easier configuration. And SAS support is compatible with Serial ATA devices, and both can use similar cables. Serial connected SAS is the most widely used small computer system interface technology, widely used in servers and storage devices.

The terminal module of the SAS connector requires a relatively complicated assembly machine to assemble the main body of the rubber core and the terminal group. For example, the Chinese patent document CN111244727A discloses an automatic connector assembly machine, which includes a frame and is set on the frame for conveying rubber. The first conveying assembly of the core body, the frame is sequentially provided along the conveying direction of the first conveying assembly: a feeding device for feeding the rubber core body into the material inlet of the first conveying assembly, a first feeding device for assembling 40PIN terminals Assembly device, the second assembly device for assembling 15PIN terminals, the third assembly device for assembling 6PIN terminals and 7PIN terminals, the fourth assembly device for assembling the back cover, and the fifth assembly device for assembling the front cover . The invention has the effect of automatically assembling the SAS-68PIN female connector.

Not only that, the SCSI connector can perform dynamic division of labor on multiple devices of the computer, properly allocate and dynamically complete multiple tasks required by the system. However, the electronic connection elements of the existing equipment products have poor stability and signal transmission effect in the moving state.

In order to solve the above problems, the present invention provides a terminal module of a SAS connector.

In order to achieve the above object, the present invention adopts the following technical solution: a terminal module of a SAS connector, including an insulating body, a terminal group and at least one grounding piece, the terminal group includes a plurality of terminals, and the grounding piece is located above the terminal group And the one-piece structure, the conductive elastic piece of the ground piece is against the ground terminal of the terminal group, the terminal group and the ground piece of the one-piece structure are respectively combined in the insulating body by embedded injection molding, and the welding of the terminal The part is exposed on the front end of the insulating body, the contact part of the terminal is exposed on the rear end of the insulating body, and the ground piece is embedded in the surface of the insulating body and exposed outside the insulating body.

Preferably, the grounding sheet includes a sheet-shaped grounding sheet body, on the surface of the grounding sheet body there are a plurality of rows of conductive shrapnel groups having the same number as the number of grounding terminals in the terminal group, each row of conductive shrapnel groups is provided with a plurality of conductive shrapnels, the The conductive elastic piece includes a closed end connected to the ground piece and a free end for contacting the terminal, the free end abuts against the ground terminal and is electrically connected to it.

Preferably, the inclination directions of the free ends of the front and back two conductive elastic pieces in the same row are opposite.

Preferably, the terminal group is RefCIk0+ terminal, RefCIk0- terminal, first ground terminal, PETp0 terminal, PETn0 terminal, second ground terminal, PERn0 terminal, PERp0 terminal, third ground terminal, RSVD terminal, Fourth ground terminal, S1T+ terminal, S1T- terminal, fifth ground terminal, S1R- terminal, S1R+ terminal, sixth ground terminal, second RSVD terminal, seventh ground terminal, PETp1/S2T+ terminal, PETn1/S2T- terminal, Eighth ground terminal, PETn1/S2R- terminal, PETp1/S2R+ terminal, ninth ground terminal, PETp2/S3T+ terminal, PETn2/S3T- terminal, tenth ground terminal, PERn2/S3R- terminal, PERp2/S3R+ terminal, tenth ground terminal One ground terminal, PETp3 terminal, PETn3 terminal, twelfth ground terminal, PERn3 terminal, PERp3 terminal, thirteenth ground terminal, SMCIK terminal, SMDat terminal, DualPortEn# terminal, wherein, the first ground terminal to the thirteenth ground terminal is the ground terminal, and the others are signal terminals.

Preferably, the terminal group has several terminals in a row, and each terminal includes a contact part, a base part, a bending part and a welding part connected in sequence, and the conductive elastic piece is abutted against the base part of the grounding terminal.

Preferably, the grounding sheet and the grounding sheet strip are integrally stamped and formed, and the terminal group and the terminal strip are integrally stamped and formed. After the grounding sheet and the terminal group are stacked and combined, the grounding sheet strip is located above the terminal strip.

Preferably, the terminal material strip includes a plate portion, on which a plurality of terminal material strip holes are provided, and one end of the plate portion is provided with a plurality of extension portions coplanar with the plate portion, and each terminal has a strip connection part, a first pre-break line is set between the extension part and the strip connection part.

Preferably, the ground sheet material strip is a U-shaped structure, including a first material strip, a second material strip and a third material strip connected in sequence, the first material strip and the third material strip are arranged oppositely, and the ground sheet is arranged on the second material strip. Between the first material belt and the third material belt, there are first material belt connecting plates on the first material belt and the third material belt, and there are grounding plate connecting plates on both sides of the grounding sheet, and the first material belt connecting plate is connected to the grounding sheet A second pre-break line is provided at the joint of the board.

Preferably, the insulating body has a base on which a plurality of signal terminal sockets and ground terminal sockets are arranged, and the signal terminal sockets and ground terminal sockets are arranged side by side in a horizontal direction. Or two signal terminal sockets, the ground terminal socket has a ground terminal socket, the base has a first surface and a second surface opposite to the first surface, and the first surface has several card slots, The card slot is provided with a conductive shrapnel insertion hole penetrating through the first surface and the second surface.

The advantage of the new model is that the terminal group and the ground piece of the new integrated structure are respectively combined in the insulating body in the way of embedded injection molding, and the integrated ground piece is embedded to increase the grounding performance, improve the crosstalk, and support the high-speed signal. Transmission, improve high-frequency performance, the terminal group is stamped and formed integrally with the terminal strip and the grounding strip is stamped and formed integrally with the grounding strip to achieve an integrated structure in the form of double strips, the terminal group and the strip hole of the grounding strip are at the same position, In the manufacturing process, the multi-channel assembly process is reduced, and the efficiency is improved.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The elements of the novel embodiments generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "vertical", "horizontal", "inner" and "outer" appear, the orientation or positional relationship indicated is based on The orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the new product is usually placed in use, is only for the convenience of describing the new model and simplifying the description, rather than indicating or implying that the referred device or element must have Certain orientations, constructed and operative in certain orientations, therefore are not to be construed as limitations on the invention. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In addition, the appearance of the terms "horizontal", "vertical", etc. does not mean that the part is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" just means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the embodiment of the present invention, it should also be noted that unless otherwise specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Please refer to Figures 1 to 8, the present invention relates to a terminal module 1 of a SAS connector, including an insulating body 100, a terminal group and at least one grounding piece 400, the terminal group includes a plurality of terminals, and the conductive grounding piece 400 The elastic piece 440 abuts against the base 251 of the terminal, and the insulating body 100 is injection-molded to combine the terminal group and the grounding piece 400 . The end surface is exposed, and the ground piece 400 is embedded in the second surface 160 of the insulating body 100 and exposed outside the insulating body 100 .

It should be emphasized that the terminal group and the grounding sheet 400 are stamped out of the new terminal sheet and the grounding sheet respectively, conveyed and positioned by a double material belt, and the plastic injection molding is carried out with the integrated structure of the terminal group and the grounding sheet 400, that is, the grounding sheet 400 Combined with the terminal group first, at this time, the terminal strip hole 310 of the terminal strip 300 and the ground strip hole 560 of the ground strip 500 are on the same axis, and at the same time, the ground strip 500 is located on the terminal strip Above 300, the support point on the ground strip 500 is close to the surface of the plate 320 of the terminal strip 300, so that the two can be supported in the mold, and the same hole positioning and transportation can be realized on the assembly equipment, which simplifies the assembly The positioning mechanism of the equipment, and the two are integrally injected to avoid the inconvenience of assembling the terminal group, the grounding piece 400 and the insulator, and do not need to use complicated equipment for assembly. The assembly process is less, the assembly efficiency is improved, and the stability of product quality is improved. , reduce assembly cost.

The combined design of the integrated grounding sheet 400 and the integrated terminal group and the grounding sheet 400 uses a plurality of conductive elastic sheets 440 provided on the grounding sheet 400 to touch the base 251 of the grounding terminal. The shrapnel 440 leads out the noise, and can quickly export the noise to improve the transmission quality and high-speed signal transmission.

In this embodiment, the insulating body 100 is roughly rectangular in shape. The insulating body 100 has a base 120 on which a plurality of signal terminal sockets and ground terminal sockets are arranged. The signal terminal sockets and the ground terminal sockets form a horizontal direction. Arranged side by side in a staggered manner, the signal terminal socket has one or two signal terminal jacks 130, the ground terminal socket has one ground terminal jack 140, the signal terminal jack 130 is placed between the two ground terminal jacks 140, and the base 120 has a second ground terminal jack 140. A surface 150 and a second surface 160 opposite to the first surface 150, the first surface 150 has several slots 180, the slots 180 facilitate the positioning of the conductive elastic piece 440 of the ground sheet 400, and the slots 180 A conductive shrapnel insertion hole 170 is provided on the first surface 150 and the second surface 160 .

In this embodiment, as shown in FIG. 5 , the terminal group 200 and the terminal strip 300 are integrally stamped and formed. The terminal group 200 has terminals with forty pins in a row. As shown in FIG. 6 , the terminals all include a contact part 250 and a base part 251 connected in sequence , the bending part 252 and the welding part 253, from left to right are RefCIk0+ terminal 210, RefCIk0-terminal 211, first grounding terminal 212, PETp0 terminal 213, PETn0 terminal 214, second grounding terminal 215, PERn0 terminal 216, PERp0 Terminal 217, third ground terminal 218, RSVD terminal 219, fourth ground terminal 220, S1T+ terminal 221, S1T-terminal 222, fifth ground terminal 223, S1R-terminal 224, S1R+ terminal 225, sixth ground terminal 226, Second RSVD terminal 227, seventh grounding terminal 228, PETp1/S2T+ terminal 229, PETn1/S2T-terminal 230, eighth grounding terminal 231, PETn1/S2R-terminal 232, PETp1/S2R+ terminal 233, ninth grounding terminal 234, PETp2 /S3T+ terminal 235, PETn2/S3T-terminal 236, tenth grounding terminal 237, PERn2/S3R-terminal 238, PERp2/S3R+ terminal 239, eleventh grounding terminal 240, PETp3 terminal 241, PETn3 terminal 242, twelfth grounding Terminal 243, PERn3 terminal 244, PERp3 terminal 245, thirteenth grounding terminal 246, SMCIK terminal 247, SMDat terminal 248, DualPortEn# terminal 249, wherein RefCIk0+ terminal 210 and RefCIk0-terminal 211 form the first group of signal groups, PETp0 terminal 213 and PETn0 terminal 214 form the second signal group, PERn0 terminal 216 and PERp0 terminal 217 form the third signal group, RSVD terminal 219 forms the fourth signal group, S1T+ terminal 221 and S1T- terminal 222 form the fifth signal group, The S1R-terminal 224 and the S1R+ terminal 225 form the sixth signal group, the second RSVD terminal 227 forms the seventh signal group, the PETp1/S2T+ terminal 229 and the PETn1/S2T-terminal 230 form the eighth signal group, and the PETn1/S2R-terminal 232 and PETp1/S2R+ terminal 233 form the ninth signal group, PETp2/S3T+ terminal 235 and PETn2/S3T- terminal 236 form the tenth signal group, PERn2/S3R-terminal 238 and PERp2/S3R+ terminal 239 form the eleventh group Signal group, PETp terminal 3 and PETn3 terminal 242 form the twelfth signal group, PERn3 terminal 244 and PERp3 terminal 245 form the thirteenth signal group, SMCIK terminal 247, SMDat terminal 248, DualPortEn# terminal 249 form the fourteenth group For the signal group, each group of signal terminals is respectively inserted into the signal terminal socket 130 , and the first ground terminal 212 to the thirteenth ground terminal 246 are respectively inserted into the ground terminal socket 140 .

In this embodiment, the terminal strip 300 includes a plate portion 320 on which a plurality of terminal strip holes 310 are provided for feeding and positioning, and one end of the plate portion 320 is provided with a plurality of holes coplanar with the plate portion 320 Each terminal has a strip connecting portion 254, the extension 330 is connected to the strip connecting portion 254 and is coplanar on the plane P, and a first pre-break line is provided between the extension 330 and the strip connecting portion 254 350.

In this embodiment, as shown in Fig. 7, the grounding plate 400 and the grounding plate strip 500 are integrally stamped and formed, the grounding plate 400 includes a sheet-shaped grounding plate body 410, the grounding plate body 410 is made of metal conductive material, and the grounding plate body The four corner areas of 410 are solder dots 420, and several "bow"-shaped notches 430 are opened on the front and rear edges of the ground plate body 410, and the ground plate connecting plate 550 is located on the left and right edges of the ground plate body 410 , there are thirteen rows of conductive shrapnel groups (columns corresponding to the number of grounding terminals) on the surface of the grounding sheet body 410, each row of conductive shrapnel groups has a plurality of conductive shrapnel 440, and the conductive shrapnel 440 is inclined, and the conductive shrapnel 440 It resists the base part 251 of the ground terminal, so that the ground sheet 400 is conductively connected with the thirteen ground terminals, and the integrated ground sheet 400 is embedded to increase grounding, improve crosstalk, support high-speed signal transmission, and improve high-frequency performance. Wherein the inclination direction of the conductive elastic sheet 440 near the front edge and the rear edge is opposite, thereby forming a plurality of channels for outward transmission. The conductive elastic sheet 440 includes a closed end 450 connected to the ground sheet 400 and a contact terminal. Free end 460, the conductive elastic piece 440 uses the closed end 450 as the axis to make the free end 460 away from the ground piece 400 to obtain elasticity, and several welding holes penetrating the surface of the ground piece body 410 are provided on the surface of the ground piece body 410 470.

In this embodiment, the ground sheet material belt 500 is a U-shaped structure, including a first material belt 510, a second material belt 520 and a third material belt 530 connected in sequence, and the first material belt 510 and the third material belt 530 are arranged opposite to each other. , the ground sheet 400 is arranged between the first material strip 510 and the third material strip 530, the first material strip 510 and the third material strip 530 have a ground sheet connection plate 550, and the two sides of the ground sheet 400 have a second material strip connection part, and a second pre-break line 540 is provided at the connection between the ground plate connection plate 550 and the second strip connection part.

It should be emphasized that in this technical solution, the grounding sheet 400 and the terminal group 200 are first assembled. At this time, the conductive elastic sheet 440 on the grounding sheet 400 is against the lower surface of the base 251 of the thirteen grounding terminals, and the grounding sheet 400 and the terminals The group 200 is integrally assembled and respectively combined in the insulating body 100 by embedded injection molding, while the ground sheet strip 500 and the terminal strip 300 are convenient for transportation and positioning in mass production, and do not need complex machinery for each component. Assembling, after the terminal module 1 is manufactured, fold the ground strip 500 from the ground strip 400 at the second pre-break line 540, and at the same time fold the terminal strip 300 from the terminal at the first pre-break line 350 Next, the assembly of the entire terminal module 1 can be completed.

The above embodiment is only a description of the preferred implementation of the new model, and does not limit the scope of the new model. On the premise of not departing from the design spirit of the new model, various deformations and improvements made by ordinary engineers and technicians in the field to the technical solution of the new model , all should fall within the scope of protection determined by the patent application scope of the present invention.

1: Terminal module 100: insulating body 120: base 130: Signal terminal jack 140: grounding terminal socket 150: first surface 160: second surface 170: Conductive shrapnel insertion hole 180: card slot 200: terminal group 210: RefCIk0+ terminal 211: RefCIk0-terminal 212: the first grounding terminal 213:PETp0 terminal 214:PETn0 terminal 215: the second grounding terminal 216: PERn0 terminal 217: PERp0 terminal 218: The third grounding terminal 21:9 RSVD terminal 220: the fourth grounding terminal 221: S1T+ terminal 222:S1T-terminal 223: The fifth grounding terminal 224:S1R-terminal 225: S1R+ terminal 226: The sixth grounding terminal 227: The second RSVD terminal 228: The seventh grounding terminal 229: PETp1/S2T+ terminal 230:PETn1/S2T-terminal 231: The eighth grounding terminal 232:PETn1/S2R-terminal 233: PETp1/S2R+ terminal 234: the ninth grounding terminal 235: PETp2/S3T+ terminal 236:PETn2/S3T-terminal 237: Tenth grounding terminal 238:PERn2/S3R- terminal 239: PERp2/S3R+ terminal 240: Eleventh grounding terminal 241:PETp3 terminal 242: PETn3 terminal 243: Twelfth grounding terminal 244: PERn3 terminal 245: PERp3 terminal 246: The thirteenth grounding terminal 247:SMCIK terminal 248: SMDat terminal 249: DualPortEn# terminal 250: contact part 251: base 252: Bending part 253: welding part 254: Belt connection part 300: terminal strip 310: terminal strip hole 320: Board 330: Extension 350: The first pre-break 400: ground plate 410: Ground plate body 420: solder point 430: Gap 440: conductive shrapnel 450: closed end 460: free end 470: welding hole 480: the second strip connection part 500: Ground strip 510: the first tape 520: the second tape 530: the third tape 540: Second pre-break 550: Ground lug connecting plate 560: Ground sheet with holes 570: Support point

Fig. 1 is the schematic diagram of the batch production of the present invention; Fig. 2 is a structural diagram of the present model; Fig. 3 is a schematic structural view of the insulating body of the present invention. Fig. 4 is an enlarged view of A in Fig. 3 . Fig. 5 is a schematic diagram of the integrated stamping and forming of the terminal group and the terminal strip of the present invention. Fig. 6 is a schematic structural view of the terminal of the present invention. Fig. 7 is a schematic diagram of integral stamping of the ground sheet and the ground sheet strip of the present invention. Fig. 8 is an enlarged view of B in Fig. 7 .

1: Terminal module

100: insulating body

200: terminal group

300: terminal strip

400: ground plate

500: Ground strip

Claims (9)

A terminal module of a SAS connector, comprising: An insulating body, a terminal group, and at least one grounding sheet, the terminal group includes a plurality of terminals, the grounding sheet is located above the terminal group and has an integrated structure, and the conductive elastic sheet of the grounding sheet abuts against the grounding terminal of the terminal group, The terminal group and the ground piece of the integrated structure are respectively combined in the insulating body by embedded injection molding, the welding part of the terminal is exposed on the front end of the insulating body, and the contact part of the terminal The rear end surface of the ground is exposed, and the ground piece is embedded in the surface of the insulating body and exposed outside the insulating body. The terminal module of the SAS connector as claimed in item 1, wherein the grounding sheet includes a sheet-shaped grounding sheet body, and a plurality of rows of conductors having the same number as the grounding terminals of the terminal group are arranged on the surface of the grounding sheet body. The shrapnel group, each row of the conductive shrapnel group is provided with a plurality of conductive shrapnel, the conductive shrapnel includes a closed end connected to the grounding piece and a free end for contacting the terminal, the free end abuts on the grounding terminal and is connected with the grounding terminal electrical connection. The terminal module of the SAS connector according to claim 2, wherein the inclination directions of the free ends of the two conductive elastic pieces in the same row are opposite. The terminal module of the SAS connector as described in claim 2, wherein the terminal group is RefCIk0+ terminal, RefCIk0- terminal, first ground terminal, PETp0 terminal, PETn0 terminal, second ground terminal, PERn0 from left to right terminal, PERp0 terminal, third ground terminal, RSVD terminal, fourth ground terminal, S1T+ terminal, S1T- terminal, fifth ground terminal, S1R- terminal, S1R+ terminal, sixth ground terminal, second RSVD terminal, seventh ground terminal, PETp1/S2T+ terminal, PETn1/S2T- terminal, eighth grounding terminal, PETn1/S2R- terminal, PETp1/S2R+ terminal, ninth grounding terminal, PETp2/S3T+ terminal, PETn2/S3T- terminal, tenth grounding terminal, PERn2/S3R- terminal, PERp2/S3R+ terminal, eleventh grounding terminal, PETp3 terminal, PETn3 terminal, twelfth grounding terminal, PERn3 terminal, PERp3 terminal, thirteenth grounding terminal, SMCIK terminal, SMDat terminal, DualPortEn# terminal , wherein, the first ground terminal to the thirteenth ground terminal are ground terminals, and the others are signal terminals. The terminal module of the SAS connector according to claim 2, wherein the terminal group has several terminals in rows, and the terminals all include a contact part, a base part, a bending part and a welding part connected in sequence, and the conductive elastic sheet abuts against the base of the ground terminal. The terminal module of the SAS connector according to claim 1, wherein the grounding sheet and the grounding sheet strip are integrally stamped and formed, the terminal group and the terminal strip are integrally stamped and formed, and the grounding strip and the terminal group are stacked and combined , the ground strip is located above the terminal strip. The terminal module of the SAS connector as described in claim 6, wherein, the terminal strip includes a plate portion on which a plurality of terminal strip holes are provided, and one end of the plate portion is provided with a plurality of Each of the terminals has a strip connection portion, and a first pre-break line is provided between the extension portion and the strip connection portion. The terminal module of the SAS connector as claimed in item 1, wherein the ground sheet strip is a U-shaped structure, including a first strip, a second strip and a third strip connected in sequence, the first strip The belt and the third material belt are arranged oppositely, the ground sheet is arranged between the first material belt and the third material belt, the first material belt and the third material belt have a first material belt connecting plate, and the ground Both sides of the sheet have grounding sheet connecting plates, and a second pre-break line is provided at the connection between the first strip connecting plate and the grounding sheet connecting plate. The terminal module of the SAS connector as described in claim 1, wherein the insulating body has a base, and the base is provided with a plurality of signal terminal sockets and ground terminal sockets, the signal terminal socket and the ground terminal socket The signal terminal socket has one or two signal terminal sockets, the ground terminal socket has one ground terminal socket, and the base has a first surface and a second surface opposite to the first surface. On the surface, the first surface has a plurality of card slots, and the card slots are provided with conductive elastic sheet insertion holes penetrating the first surface and the second surface.

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