CN201029165Y - Cable Connector Assembly - Google Patents

Abstract

The utility model discloses a cable connector module that consists a body that has a butt port, a plurality of electricity conductive elements that are arranged inside the butt port of the body, cables that are connected with the rear part of the body and electrically connected with corresponding electric element, lockers that are arranged outside the body and can horizontally move, a first stretch part that is connected with the rear part of the locker to horizontally move the lockers and a second stretch part that is connected with the rear part of the first stretch part and provides a grab part for consumers. The material of the second stretch part is soft while that of the first is hard.

Description

Cable Connector Assembly

【Technical field】

The utility model relates to a cable connector assembly, in particular to a cable connector assembly with a high-speed signal transmission rate.

【Background technique】

The SFF (Small Form Factor Committee) association is an organization dedicated to the establishment of industry standards for fast storage. The association was established in the 1990s. The disk in it is improved to meet the development needs of computers and other small devices towards compactness and miniaturization. The SFF-8088 standard specification developed by the above-mentioned SFF Association defines a compact multi-channel connector (Compact Multilane Shielded Connector) designed for laptop portable computer applications, which connects a small hard disk drive to a printed circuit board. According to the provisions of SFF-8088, this compact multi-channel connector includes a cable connector connected to a small driver and a board-end connector mounted on a printed circuit board. SFF-8088 stipulates that the cable connector includes a pair of upper and lower metal bodies that cooperate with each other, a printed circuit board, a cable and a locking mechanism, wherein the upper and lower metal bodies form a receiving space to accommodate the printed circuit board. The cable includes several conductors electrically connected to the printed circuit board, and the locking mechanism is assembled on the top surface of the upper metal body. The locking mechanism includes a longitudinal T-shaped locking piece for locking with the above-mentioned board-end connector, and a stretching piece that cooperates with the locking piece to promote the separation of the locking piece and the board-end connector. The locking member is mounted on the rear base of the upper metal body, and has a locking portion that protrudes from the front of the upper metal body and is located above the tongue of the upper metal body. However, it is difficult for such a latch to be driven by a stretching member, otherwise the latch must have sufficient thickness, or be made of a high-quality material, in order to have sufficient rigidity to achieve the reliability of the latch and the ability to disengage the latch. simplicity.

To sum up, it is necessary to provide an improved cable connector assembly to solve the above problems.

【Content of utility model】

The main purpose of the utility model is to provide a cable connector assembly which can be reliably locked with a docking connector and can be easily disengaged from the lock.

In order to achieve the above purpose, the cable connector assembly of the present invention adopts the following technical solutions: a cable connector assembly includes a body with a docking interface, a number of conductive elements arranged in the docking interface of the body, and the rear part of the body A cable connected and electrically connected to the corresponding conductive element, a laterally movable locking member located outside the body, combined with the rear part of the locking member to laterally move the first tensile member of the locking member and connected with the first The rear part of the stretching part is combined with a second stretching part which is provided with a grip area for the user, wherein the material of the second stretching part is relatively soft and the material of the first stretching part is relatively hard.

Compared with the prior art, the utility model has the following beneficial effects: through the stretching piece and the stretching belt combined with the rear part of the stretching piece and provided with a grip area for the user, the reliable locking with the docking connector can be realized buckle and easy release lock.

【Description of drawings】

Fig. 1 is a three-dimensional exploded view of the cable connector assembly of the present invention.

FIG. 2 is another perspective view of the cable connector assembly shown in FIG. 1 .

Fig. 3 is an enlarged view of the latching part and the pulling part of the cable connector assembly shown in Fig. 1 .

Fig. 4 is a three-dimensional assembled view of the cable connector assembly shown in Fig. 1 .

FIG. 5 is another perspective view of the cable connector assembly shown in FIG. 4 .

6 to 9 are cross-sectional views along line A-A to line D-D in FIG. 4 .

【Detailed ways】

1 to 3, the cable connector assembly 100 includes a body 1, a printed circuit board 2 installed in the body 1, a cable 7 electrically connected to the printed circuit board 2, and a cable assembled to the body 1. The locking mechanism 3 and the metal shell 4 assembled on the body 1 and partially covering the locking mechanism 3 .

Referring to FIGS. 1 to 9 , the body 1 is made of metal casting, and includes a base 11 , a cover 12 engaged with the base 11 and a receiving space 15 formed between the base 11 and the cover 12 . The metal body 1 also includes a rectangular base 13 and a longitudinal tongue 14 extending forward from the base 13 .

The base body 11 includes a first base portion 11a and a first tongue portion 11b extending forward from the first base portion 11a. The first base portion 11a includes a first body portion 110, a pair of first flanges 112, and a first rear wall 113, wherein the first flanges 112 and the first rear wall 113 go upward from opposite edges and rear surfaces of the first body portion 110, respectively. extend. The front portion of the first flange 112 is partially cut to make the first flange 112 L-shaped. The first rear wall 113 defines a semicircular first notch 1130 and a pair of first threaded holes 1132 located on two sides of the first notch 1130 . The first tongue portion 11b includes a first panel 118 having a pair of side edges 114 on opposite sides thereof. Each side edge 114 includes an end 1140 that extends beyond the front end of the panel 118 . Two pairs of spaced apart first raised portions 115 are arranged on the first panel 118 , and each raised portion 115 is provided with a first positioning hole 1150 . A pair of U-shaped openings 117 extend rearwardly from the front end of the first panel 118 and are respectively adjacent to corresponding ends 1140 .

The cover body 12 includes a second base portion 12a and a second tongue portion 12b extending forward from the second base portion 12a. The second base portion 12a includes a second main body portion 120, a pair of second flanges 122 and a second rear wall 123, wherein the second flange 122 and the second rear wall 123 extend from the opposite edge of the second main body portion 120 and the second rear wall 123 respectively. The rear of the main body part 120 extends downward. The rear portion of the second flange 122 and the second rear wall 123 are partially cut to make the second flange 122 L-shaped. The semicircular second notch 1230 is disposed on the second rear wall 123 . A pair of second threaded holes 1232 pass through the second rear wall 123 and are located on opposite sides of the semicircular second notch 1230 . The continuous protruding rib 1220 integrally extends downward from the inner edge of the second flange 122 and the second rear wall 123 . The second main body part 120 is provided with a first recessed part 127 having first and second recesses 1270, 1272 of different sizes and a deeper and narrower second recessed part arranged at the front of the second main body part 120 and communicating with its front. 128. A front portion of the second body portion 120 is provided with a deep slit 1280 extending along a direction perpendicular to the second recessed portion 128 and communicating with the second recessed portion 128 . A front end of the second concave portion 128 is provided with a horizontal bar 1282 having a pair of protruding portions 1284 . The upper portion of the periphery of the second flange 122 and the second rear wall 123 is partially cut to form a depression. A pair of protrusions 129 are disposed on the front of the second base 12a. In addition, a plurality of steps 121 extending downwards but with different heights protrude from the lower surface of the second main body 120 . The above-mentioned second threaded hole 1232 is recessed from the top surface of the second base portion 12 a to a certain depth, and is located on two opposite sides of the second recessed portion 128 .

The second tongue 12 b includes a second panel 124 with a long keyway 1244 and a pair of sidewalls 125 extending downward from opposite sides of the second panel 124 . The second through slot 1250 is opened outwardly on the corresponding side wall 125 for guiding the insertion of the cable connector assembly 100 and positioning the cable connector assembly 100 on the mating connector (not shown). A pair of protrusions 126 extend rearwardly from the front surface of the second tongue portion 12 b and are respectively located below the sidewall 125 to form a pair of notches 1260 . The second panel 124 forms a reinforced part (not marked) on the bottom surface to improve the strength. Three pairs of second raised parts 1240 are symmetrically distributed on the reinforced part, and two pairs of second raised parts 1240 are provided with protrusions 1242 extending downward. .

Gold fingers 21 and 22 are provided on the upper and lower surfaces of the printed circuit board 2 , wherein a first gold finger 21 is provided at the front and a second gold finger 22 having a number different from the first gold finger 21 is provided at the rear. The first and second gold fingers 21 and 22 are electrically connected to each other through the lines placed inside the printed circuit board. Two pairs of through holes 23 are symmetrically arranged on the printed circuit board 2 and adjacent to the first golden finger 21 .

The locking mechanism 3 includes a locking member 31 of the locking docking connector, a tensioning member 32 that cooperates with the locking member 31 to separate the locking member 31 from the docking connector, and an optional use assembled on the tensile member 32 The stretch strap 33.

Please refer to FIG. 3 , the locking member 31 is a cantilever member stamped from a metal material. The locking member 31 is operated in a lever manner, and it includes an n-shaped engaging portion 310 located in a vertical plane, a locking portion 311 located in a horizontal plane perpendicular to the vertical plane and an inclined connecting portion 312, and the connecting portion 312 is connected and engaged The portion 310 and the locking portion 311 provide elastic force to the locking member 31 . The engaging portion 310 includes a rod portion 3101 and a pair of side portions 3102 extending downward from two sides of the rod portion 3101 . Barbs 3104 are disposed on outer edges of each side portion 3102 . A pair of rectangular holes 3110 adjacent to the connecting portion 312 are disposed at the rear of the locking portion 311 , and a pair of locking portions 3112 are bent downward from both sides of the front end. The connecting portion 312 is connected to the middle portion of the rod portion 3101 and extends downward from the lower edge of the rod portion 3101 and then obliquely upward. The connecting portion 312 is also provided with a hole, and the elastic force of the locking member 31 can be adjusted by changing the size and shape of the hole. Each side portion 3102 and locking portion 311 is provided with a rib 313 to strengthen the cooperation with the main body 1 and the mating connector.

The stretching part 32 is also the first stretching part, which is made of insulating material, and its material is relatively hard, including a matching part 321 located at the front, a vertical length extending backward from the matching part 321 and having an interference part 322. The middle part 323 and the operation part 324 formed at the rear end of the middle part 323 . The interfering portion 322 includes a pair of blocking portions 3222 located on two sides of the middle portion 323 and adjacent to the matching portion 321 , and an elastic portion 3220 located in the middle of the middle portion 323 . Each elastic portion 3220 includes a transverse blocking portion 3224 and a V-shaped claw portion 3226 extending backward from the blocking portion 3224 . The matching portion 321 includes a vertical portion 3210 connecting the matching portion 321 and the middle portion 323 and a body portion 3212 extending forward from a lower side of the vertical portion 3210 . The main body portion 3212 includes a pair of protruding ribs 3214 extending upward and a protruding portion 3216 enlarged at the end of the protruding ribs 3214 . The slope 3218 extends downward and rearward from the front surface of the matching portion 321 . The operation part 324 becomes larger from the middle part 323 to form a pair of inclined edges 3240 for easy operation. Meanwhile, the operation part 324 is provided with a rectangular slot 3242 in the main part to cooperate with the stretching strap 33 .

The stretching belt 33 is also the second stretching member, which is a belt with two ends glued together to form a ring portion 330 and a stretching portion 332 at the rear, and its material is relatively soft. The stretching band 33 passes through the slot 3242 of the operating portion 324 of the stretching member 32 first, and then both ends are glued together, and a gripping area is provided for the user.

The metal shell 4 is stamped from a sheet metal and includes a main part 40 and sidewalls 42 extending downward from opposite sides of the main part 40 . The main part 40 is provided with a plurality of ribs 400 on the top surface to increase friction. Two pairs of screw holes 402 are respectively located at the front and rear of the main part 40 . The first elastic piece 404 extends obliquely downward from the front edge of the main portion 40 . A pair of second elastic pieces 405 are disposed on the main portion 40 and vertically extend downward from the rear edge of the main portion 40 .

During assembly, the conductors 70 of the cable 7 are respectively soldered to the second golden fingers 22 of the printed circuit board 2 . The insulator 9 is overmolded on the rear end of the printed circuit board 2 and the front end of the conductor 70 . The upper part of the insulator 9 is provided with at least one stepped surface and is accommodated in the accommodation space 17 jointly formed by the first base portion 11a and the second base portion 12a. The printed circuit board 2 with the cable 7 is placed on the first raised portion 115 of the base 11 , and the through hole 23 is aligned with the first positioning hole 1150 . The cable 7 is located in the first notch 1130 of the base body 11 . The cable connector assembly 100 of the present invention can have a clamping device 6 capable of holding the metal braid layer exposed outside the cable 7 , which can provide stress relief for the cable 7 . The cover body 12 is assembled with the base body 11 and the printed circuit board 2 , and the printed circuit board 2 is positioned in the receiving space 15 of the main body 1 through the protrusion 1242 passing through the through hole 23 and the first positioning hole 1150 . The protruding rib 1220 of the cover 12 is accommodated between the first flange 112 and the first rear wall 113 of the base 11, and the pair of ends 1140 are respectively accommodated in the notch 1260, so that the base 11 and the cover 12 are firmly assembled together .

Referring to FIG. 5 to FIG. 9 , the locking mechanism 3 is assembled to the second base portion 12 a of the cover body 12 along a direction perpendicular to the front-rear direction. The tensile member 32 is first pressed into the cover body 12 . The matching portion 321 of the tension member 32 is accommodated in the second recessed portion 128 of the cover body 12 , and the middle portion 323 and the interference portion 322 are accommodated in the first recessed portion 127 . The blocking portion 3222 and the elastic portion 3220 are slidably accommodated in the first and second recesses 1270 and 1272 of different sizes, respectively, and the blocking portion 3224 and the claw portion 3226 abut against opposite sides of the second recess 1272 respectively. The locking member 31 is vertically assembled in the cover body 12 , and the engaging portion 310 is accommodated in the slit 1280 through the interference of the barb 3104 of the side portion 3102 . The inclined connecting portion 312 is located on the inclined surface 3218 of the body portion 3212 of the mating portion 321 . The rod portion 3101 of the lock member 31 is located above the rib 3214 , and the protruding portion 3216 is located in front of the rod portion 3101 . The protruding portions 1284 of the cover 12 are respectively accommodated in the rectangular holes 3110, and the buckling portion 3112 is exposed above the second tongue portion 12b.

When the docking connector is docked with the cable connector assembly 100 of the present utility model along the front and rear direction, the terminal of the docking connector is electrically connected with the first gold finger 21 of the printed circuit board 2 and the corresponding member on the docking connector is connected to the lock. The locking portion 3112 of the fastener 31 is locked. When the cable connector assembly 100 is disengaged from the docking connector, a backward pulling force is applied to the operating portion 324 of the stretching member 32 or the stretching portion 332 of the stretching belt 33, determined according to the space left for the operator to operate, so that The stretching member 32 moves backward, and at the same time, the elastic part 3220 and the stopper part 3222 slide along the second and first recesses 1272 , 1270 respectively until the protruding part 3216 abuts against the rod part 3101 of the locking member 31 . The main body part 3212 also moves backward along with the inclined surface 3218 sliding along the bottom surface of the inclined connecting part 312, so that the connecting part 312 is urged to rotate upwards relative to the rod part 3101 of the engaging part 310, and the lock buckle provided with the buckling part 3112 is also urged at the same time. The portion 311 moves upward to disengage from the latch of the mating connector. That is to say, the unlocking between the connectors is realized by pulling the stretching member 32 in the front-rear direction, and then driving the locking member 31 to move laterally substantially perpendicular to the front-rear direction. Of course, this transverse direction is not limited to the up and down directions in this embodiment. When adopting other common structural lock parts (such as the lock part expands and contracts to both sides), the transverse direction can also refer to the two sides that are generally perpendicular to the front and rear directions. direction. When the backward pulling force is removed, the restoring force generated by the elastic portion 3220 moves the stretching member 32 toward its original position, and at the same time, the locking member 31 also returns to the initial position. That is to say, when the operating space is large enough, the operator can push the locking member 31 to disengage from the lock of the docking connector by pulling the stretching member 32 or the stretching band 33; when the operating space is small, the operator can pull the Strap 33 is stretched to disengage cable connector assembly 100 from the mating connector.

The metal shell 4 is finally assembled to the second base 12 a of the cover 12 by receiving the side wall 42 and the second elastic piece 405 respectively in the recess formed by the second flange 122 and the second rear wall 123 . The front edge of the metal shell 4 is adjacent to the protrusion 129 , and the first elastic piece 404 is received in the second concave portion 128 of the cover 12 . When the cable connector assembly 100 is disengaged from the docking connector, the first elastic piece 404 can press against the locking member 31 to provide additional restoring force for the locking member 31 . A pair of first screws 80 are screwed into the screw holes 402 of the metal shell 4, and pass through the second threaded holes 1232 of the cover 12 and the first threaded holes 1132 of the base 11 to hold the metal shell 4, the base 11 and the cover body 12, a pair of second screws 82 are screwed into the screw holes 402 at the front end of the metal shell 4, and the second threaded hole 1232 of the cover body 12 is located on the other side of the second recess 128, so as to strengthen the metal shell 4 and the joint of the cover body 12.

The cable connector assembly 100 of the present invention can be provided with an anti-electromagnetic interference gasket 5 assembled on the metal body 1 to reduce noise interference during signal transmission. The washer 5 is a rectangular structure stamped from sheet metal. The gasket 5 comprises a continuous peripheral wall 50 consisting of a pair of opposing longitudinal edges 501 and a pair of side edges 502 respectively connected to the longitudinal edges 501 . The gasket 5 also has a space 51 delimited by the peripheral wall 50 . The washer 5 is assembled on the front surface of the base 13 of the body 1 with the tongue 14 protruding through the space 51 . The upper longitudinal edge 501 of the washer 5 is partially punched to form a recess 53 approximately equal to the width of the locking portion 311 , so as to allow the locking portion 311 to be placed on the top of the tongue portion 14 .

Claims (10)

1. A cable connector assembly, comprising: a body provided with a docking interface, several conductive elements arranged in the docking interface of the above-mentioned body, cables connected to the rear of the body and electrically connected to corresponding conductive elements respectively and a laterally movable locking member located outside the body, characterized in that: the cable connector assembly also includes a first tension member combined with the rear of the locking member to laterally move the locking member and a first pull The rear part of the stretching part is combined with a second stretching part which is provided with a gripping area for the user. The material of the second stretching part is relatively soft while the material of the first stretching part is relatively hard. 2 . The cable connector assembly according to claim 1 , wherein the first tension member and the second tension member are movable in a front-rear direction. 3 . 3. The cable connector assembly as claimed in claim 1, wherein the first tensile member is formed with a slot, and the second tensile member passes through the slot and forms the gripping area. 4 . The cable connector assembly according to claim 1 , wherein the body comprises a base and a tongue extending forward from the base, and the first tension member and the locking member are assembled on the base of the body. 5. The cable connector assembly as claimed in claim 1, wherein the locking member is vertically disposed on the top surface of the base, and the locking portion partially extends beyond the front surface of the base to be positioned above the tongue. 6 . The cable connector assembly according to claim 2 , wherein the operating portion of the first drawing member is exposed above the base of the body, and the second drawing member is entirely exposed outside the base of the body. 7 . 7. The cable connector assembly according to claim 1, wherein the locking member is operated by a lever. 8. The cable connector assembly according to claim 1, characterized in that: the first tension member comprises a fitting portion, the fitting portion is located under the connecting portion of the locking member and can slide along the connecting portion to promote The connecting portion pivotally moves relative to the mating portion to separate from the mating connector. 9. The cable connector assembly according to claim 8, wherein the first tension member further comprises a middle part connecting the matching part and the operation part, and the middle part is provided with at least one for the first tension member and a lock. The elastic part provides the restoring force. 10 . The cable connector assembly as claimed in claim 9 , wherein the base of the main body has at least one concave portion on the top surface, and the elastic portion of the first tension member can slide in at least one concave portion. 11 .

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