CN201069843Y - Cable connector assembly - Google Patents

Abstract

The utility model discloses a cable connector assembly connected with a docking connector, which comprises a metal body, a printed circuit board, a cable, and a locking device. The metal body forms an accommodation space, and the printed circuit board is accommodated in a metal body. In the housing space of the body, the cable is electrically connected to the printed circuit board, the locking device includes a locking piece assembled on the metal body, and the locking piece includes a holding part assembled on the metal body and a lock for locking Buckle the locking part of the docking connector; the cable connector assembly also includes a cover assembled with the metal body, the cover includes a bottom wall, a pair of side walls extending upward from both sides of the bottom wall and a and the space formed by the side wall for accommodating the metal body and cables. When the cable connector assembly of the utility model is detached from the docking connector, the cable and the cable connector assembly can be better protected to prevent abrasion and looseness.

Description

Cable Connector Assembly

【Technical field】

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

【Background technique】

Cable holders in electrical connectors are used to organize and arrange cables. For example, US Patent Publication No. US 4,842,547 discloses such an electrical connector. The electrical connector includes a body and a cover, both of which are made of conductive materials, such as zinc castings. The screw passes through the hole of the metal covering part and connects with the notch of the main body, so that the metal covering part is closely connected with the main body. A terminal spacer including a plurality of conductive terminals is disposed on the rear case. Each terminal includes a butt portion and a conductor termination portion. The conductor is terminated to the terminating portion of the terminal. The main body is provided with a cable receiving channel. An annular channel is arranged on the channel reserved for passing the cable on the metal covering part. The metal cover can also be used as a cable holder. US Patent Publication No. US 5,074,808 discloses another electrical connector. The connector includes a plastic material arranged at the rear end of the body and buried in the bottom, a cable, a conductive terminal and a rear shell used for accommodating the plastic material. The plastic material inside the rear case forms an inner layer. The rear casing includes a shell portion and a cover portion, and the shell portion and the cover portion are firmly assembled together by a locking member. The cable includes signal and ground wires, the wires being bowed so that they can be embedded in the plastic material. One side of the shell is used to accommodate and fix cables and wires.

However, the cable holders mentioned above are all formed by casting the body or the housing together, such holders are not easy to replace and cannot be widely used, which is inconvenient for users.

In view of the aforementioned disadvantages, it is necessary to improve the existing cable connector assembly to meet the development requirements.

【Content of utility model】

The main purpose of the utility model is to provide a cable connector assembly with a cover, which can organize cables and is convenient for users to use.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a cable connector assembly, which includes a metal body, a printed circuit board, a cable, and a locking device, the metal body forms a receiving space, and the printed circuit board Accommodated in the housing space of the metal body, the cable is electrically connected to the printed circuit board, the locking device includes a locking piece assembled on the metal body, and the locking piece includes a holding part assembled on the metal body and It is used to lock the locking part of the docking connector; the cable connector assembly also includes a cover assembled with the metal body, the cover includes a bottom wall, a pair of side walls extending upward from both sides of the bottom wall and The space formed by the bottom wall and the side wall is used to accommodate the metal body and cables.

Compared with the prior art, the utility model has the following beneficial effects: when the cable connector assembly is detached from the docking connector, the cable and the cable connector assembly can be better protected from abrasion and looseness.

【Description of drawings】

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

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

FIG. 3 is a partially exploded perspective view 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 an enlarged view of the locking device of the cable connector assembly shown in FIG. 1 .

6 to 8 are cross-sectional views of the connector assembly shown in FIG. 4 along line A-A to C-C.

【Detailed ways】

Please refer to FIG. 1 to FIG. 5 , the cable connector assembly 100 of the present invention includes a metal body 1 , a printed circuit board 2 disposed on the metal body 1 , electrically connected to the circuit board 2 and has a cable holder 6 A pair of cables 7, a locking device 3 assembled on the metal body 1, a metal shell 4 partially covering the locking device 3 and assembled on the metal body 1, and a cable arrangement and fixing cable 7 are assembled A cover 5 on the metal body 1 .

The metal body 1 includes a base 11 , a cover 12 joined to the base 11 , and a receiving space 15 formed between the base 11 and the cover 12 for receiving the circuit board 2 .

The base 11 includes a first base 11a and a first tongue 11b extending forward from the first base 11a. The first base portion 11 a includes a first flat portion 110 , a pair of first side edges 112 , and a first rear wall 113 extending upward from two sides and a rear end of the first flat portion 110 . The front end of the first side edge 112 is low and the rear end is high, so that the first side edge 112 is in an "L" shape. A pair of semicircular openings 1130 are disposed on the first rear wall 113 , and a pair of first screw holes 1121 connected to the first rear wall 113 are disposed on the first side edge 112 . The first notch 1120 protrudes downward from the first side edge 112 and the upper surface of the first rear wall 113 . The first tongue portion 11 b includes a first panel 116 and a pair of ribs 114 provided on both sides of the first panel 116 . Each rib 114 extends from a front end of the first panel 116 to a tip 1140 . Two pairs of supporting portions 115 are disposed on the first panel 116 , and each supporting portion 115 defines a positioning hole 1150 . A pair of "U"-shaped cutouts 117 adjacent to the ribs 114 extend rearwardly from the front end of the first panel 116 .

The covering part 12 includes a second base part 12a and a second tongue part 12b extending from the second base part 12a. The second base portion 12 a includes a second flat portion 120 , a pair of second side edges 122 and a second rear wall 123 extending downward from two sides and a rear end of the second flat portion 120 . The rear end of the second side edge 122 is cut into an "L" shape by the second rear wall 123 . A pair of semicircular arched openings 1230 are disposed on the second rear wall 123 . A pair of second screw holes 1221 are defined on the second side edge 122 for connecting to the second rear wall 123 . A pair of third screw holes 1222 are disposed on a front portion of the second flat portion 120 . Since the first cutout 1120 is provided on the base portion 11 , correspondingly, the protruding strip 1220 extends downward from the second rear wall 123 and the inner wall of the second side edge 122 . The second flat portion 120 is provided with a first receiving portion 127 and a second receiving portion 128 that is deeper and narrower than the first receiving portion 127 . The first storage part 127 includes first and second storage chambers 1270, 1271 of different sizes. The second receiving portion 128 is located at the front end of the second flat portion 120 and connected to the front surface of the second flat portion 120 . A groove 1280 is disposed on the front portion of the second flat portion 120 , and the groove 1280 is vertically connected with the second flat portion 120 . The front end of the second receiving portion 128 is provided with a horizontal bar 1281 mounted with a pair of protrusions 1282 . A pair of channels 121 extend from both sides of the second flat portion along the front-to-back direction.

The second tongue portion 12b includes a second panel 124 with three elongated channels and a pair of sidewalls 125 extending downward from two sides of the second panel 124 . A pair of second passages 1250 for guiding the insertion end of a mating connector (not shown) are provided on the side wall 125 . A pair of protrusions 126 extend rearwardly from the front surface of the second tongue portion 12 b , and the pair of protrusions 126 are respectively disposed under the side walls 125 , forming a pair of grooves 1260 under the side walls 125 . Two pairs of positioning columns 1240 extending downward are symmetrically arranged on the second panel 124 . The first supporting portion 115 and the positioning column 1240 provided with the first positioning hole 1150 are used as a first holding device of the main body 1 . The first holding device is not limited to the description of the above-mentioned structure, and can also be realized by using other structures, for example, corresponding protrusions and recesses are respectively provided on the first tongue 11b and the second tongue 12b, so that The two engage with each other to assemble the first tongue part 11b and the second tongue part 12b together.

The circuit board 2 includes first conductive sheets 21 arranged from front to back and second conductive sheets 22 arranged at the rear end of the circuit board 2 . The first and second conductive sheets 21 , 22 are electrically connected through a conductive path inside the circuit board 2 . Two pairs of through holes 23 connected to the first conductive sheet 21 are symmetrically arranged on the circuit board 2 . The through hole 23 serves as a second holding means for the circuit board 2 . The second holding device is not limited to the description of the above structure, it can also be a protrusion on the circuit board 2 matching with the housing cavity of the body 1, or a housing cavity on the circuit board 2 matching with the protrusion of the body 1.

The locking device 3 includes a locking member 31 that fixes the docking connector, a puller 32 that cooperates with the locker 31 so that the locker 31 falls off from the docking connector, and a puller belt 33 assembled on the puller 32 .

The locking member 31 is a cantilevered metal member. The locking part 31 includes an "N"-shaped holding part 310 located on a vertical surface, a locking part 311 arranged on a horizontal surface, and the holding part 310 connected with the locking part 311 and which can provide elastic force for the locking part 31. The inclined connection part 312 . The holding portion 310 includes a transverse portion 3101 and a pair of side portions 3102 extending downward from two sides of the transverse portion 3101 . Each side portion 3102 is provided with a plurality of barbs 3103 at its outermost edge. A pair of rectangular holes 3110 connected to the connecting portion 312 are provided at the rear end of the lock portion 311 , and a pair of locks 3112 are formed by bending downwards on both sides of the front end of the lock portion 311 . The connecting portion 312 connects the middle portion of the transverse portion 3101 and extends upward from the lower end of the transverse portion 3101 . A hole 3120 is also provided on the connecting portion 312 , and the elastic force of the locking member 31 can be adjusted by changing the shape and size of the hole 3120 .

The puller 32 is made of insulating material, and includes a fitting portion 321 , an extended middle portion 323 extending backward from the fitting portion 321 , an interference portion 322 , and a rectangular operating portion 324 disposed at the end of the middle portion 323 . The interfering portion 322 includes a pair of blocking portions 3221 disposed on two sides of the middle portion 323 and connected to the mating portion 321 , and an elastic portion 3220 adjacent to the blocking portions 3221 . The elastic portion 3220 includes a blocking portion 3222 and a “V”-shaped elastic arm 3223 extending backward from the blocking portion 3222 . The matching portion 321 includes a vertical connection portion 3210 located on the interference portion 323 and connected to the matching portion 321 , and a main body portion 3211 extending forward from a bottom edge of the vertical connection portion 3210 . Ribs 3212 extend upward from the main body 3211 , and a protrusion 3213 is formed at the end of the main body 3211 . An inclined surface 3215 extends obliquely downward from the front surface of the main body portion 3211 . The pull belt 33 is connected to the slot 3240 provided on the operation part 324 .

The metal shell 4 includes a main body 40 and a pair of side parts 42 extending downward from two sides of the main body 40 . A plurality of protrusions 400 are provided on the upper surface of the main body 40 to enhance friction. A pair of first through holes 402 are provided at the front of the main body portion 40 , and another pair of second through holes 406 are provided at the rear of the main body portion 40 . Connected to a pair of side portions 42 extending downward from both sides of the main body portion 40 are two pairs of ear portions 401 . A spring piece 403 extends inwardly and upwardly from the ear portion 401 . A first protruding portion 404 and a pair of second protruding portions 405 respectively extend downwards from the front and rear edges of the main body 40 , and when the cable connector assembly 100 is detached from the mating connector, the protruding portions can reduce the number of locking elements. of resilience.

The cover body 5 is made of insulating material. It includes a bottom wall 52 , a pair of side walls 51 extending upward from both sides of the bottom wall 52 , and a space 50 sandwiched between the bottom wall 52 and the side walls 51 . The space is divided into a first space 501 and a second space 502 . The front end of the first space 501 has a front opening 55 , the end of the second space 502 has a terminal opening 56 , and the first and second spaces 501 , 502 are separated by a partition 53 . A pair of semicircular third openings 530 are arranged side by side on the partition 53 . Two pairs of cutouts 511 are provided at the front of the side wall 51, and each cutout 511 is provided with a horizontal grid 512 on its upper part.

Please refer to Figure 3, 4, 6, 7 and Figure 8, and combine Figure 1, 2 and Figure 5. During assembly, the conductor 71 of the cable 7 is welded to the conductive sheet 22 of the circuit board 2 . The circuit board 2 and the cable 7 are arranged side by side on the second supporting part of the cover part 12, the positioning column 1240 of the cover part 12 passes through the through hole 23 of the circuit board 2, and the cable 7 is assembled on the second semicircle of the cover part 12 Open 1230 on. The cable connector assembly 100 of the utility model is provided with a cable holder 6 for clamping the exposed metal braiding layer of the cable 7 so as to relieve the stress of the cable 7 . When the base part 11 is assembled to the cover part 12 , the positioning post 1240 is aligned with the positioning hole 1150 to fix the circuit board 2 in the receiving space 15 of the main body 1 . The circuit board 2 is sandwiched between a base 11 and a cover 12 assembled together by first and second holding means. The convex strip 1220 of the covering part 12 is received in the first cutout 1120 of the base part 11, the tip 1140 is received in the groove 1260, the base part 11 and the covering part 12 are assembled together, and the first screw hole 1121 and the second screw hole 1221 are aligned , the cable 7 extends outward from the openings of the first semicircular opening 1130 and the second semicircular opening 1230 .

The locking device 3 is assembled on the second base portion 12b of the covering portion 12 along a direction from front to back. The puller 32 is first inserted into the cover 12 . The matching portion 321 of the puller 32 is accommodated in the second accommodation portion 128 of the covering portion 12 , and the middle portion 323 and the interference portion 322 are accommodated in the first accommodation portion 127 . The stop part 3221 and the elastic part 3220 are accommodated in the first and second storage chambers 1270 and 1271 of different sizes respectively, and the stop part 3221 and the elastic arm 3223 are in contact with two sides of the slightly larger second storage chamber 1271 . The locking member 31 is assembled on the covering portion 12 along the vertical direction, and the holding portion 310 is interfered and accommodated in the groove 1280 . The inclined connecting portion 312 is assembled on the inclined surface 3215 of the main body portion 3211 of the mating portion 321 . The transverse portion 3101 of the locking portion 31 is disposed on the rib 3212 , and the protrusion 3213 is disposed on the front end of the transverse portion 3101 . The protrusion 1282 of the covering part 12 is accommodated in the rectangular hole 3110, and the lock 3112 is exposed outside the second tongue part 12b.

When the cable connector assembly 100 of the utility model is assembled with the butt connector, the conductive terminal of the butt connector is electrically connected to the second conductive sheet 21 of the circuit board 2, and the corresponding parts are locked by the lock 3112 of the lock member 31. fixed. When the cable connector assembly 100 is disengaged from the docking connector, a backward pulling force is exerted on the pulling belt 33, so that the elastic part 3220 moves backward with the backward movement of the pulling part 32, and the stopper part 3221 is in the first position. and the second receiving chamber 1271 , 1270 until the protrusion 3213 buckles the transverse portion 3101 of the puller 31 . The main body part 3211 slides along the bottom periphery of the connecting part 321 together with the inclined surface 3215, so that the connecting part 312 approaches the middle part of the horizontal part 3101 of the holding part 310 upwards, and the latch 3112 disengages from the connector assembly upwards. After the backward pulling force is eliminated, the restoring force of the elastic portion 3220 prompts the pulling member 32 to move forward to the original position, and the locking member 31 also returns to the original position.

The metal shell 4 is assembled on the second base portion 12 a of the covering portion 12 from back to front, and the side portion 42 of the metal shell 4 is received in the channel 121 of the covering portion 12 . The first inclined piece 404 is accommodated in the second receiving portion 128 of the covering portion 12 , and the second inclined piece 405 is assembled at the rear end of the covering portion 12 . The first inclined piece 404 is disposed on the locking member, so that when the connector assembly 100 is detached from the docking connector, it provides a restoring force for the locking portion 311 of the locking member 31 . A pair of screws 81 pass through the screw holes 402 of the metal shell 4, and under the action of the second screw holes 1221 of the cover part 12 and the first screw holes 1121 of the base part 11, the base part 11 and the cover part 12 of the body 1 are assembled together .

Finally, the cover body 5 is assembled on the body 1 . The ear portion 401 of the metal shell 4 is inserted into the cutout 511, and the spring piece 403 interferes with the horizontal grid 512, so that the cover 5 and the main body 1 can be firmly assembled together. The first base 11 a and the second base 12 a are accommodated in the first space 501 . A pair of cables 7 extends outward from the end opening 56 and is exposed outside the second space 502 . The cover body 5 can also be used to hold the cable 7 . The pull belt 33 is approached from the outside and accommodated in the upper end of the second space 502 .

Claims (10)

1. A cable connector assembly, which includes a metal body, a printed circuit board, a cable, and a locking device, the metal body forms an accommodation space, the printed circuit board is accommodated in the metal body accommodation space, and the wire The cable is electrically connected to the printed circuit board, and the locking device includes a locking part assembled on the metal body, and the locking part includes a holding part assembled on the metal body and a locking part for locking the docking connector ; It is characterized in that: the cable connector assembly also includes a cover assembled with the metal body, the cover includes a bottom wall, a pair of side walls extending upward from both sides of the bottom wall and formed by the bottom wall and the side walls space for the metal body and cables. 2. The cable connector assembly according to claim 1, wherein the cover body is made of plastic material, partly used to house the metal body, partly housed in the cable, and closed at one end of the cover body to position the cable . 3. The cable connector assembly according to claim 1 or 2, characterized in that: the cover is provided with a partition, and the partition divides the space into a first space with a front opening and a narrow space. There is a second space with an open end, and a pair of third semicircular openings arranged side by side for placing cables are also arranged on the partition. 4 . The cable connector assembly according to claim 1 , wherein the metal shell is assembled on a side of the metal body that is not assembled with a cover, and can cooperate with the body to hold the locking device. 5. The cable connector assembly according to claim 1, wherein the metal shell is assembled with the cover to hold the cover on the metal body. 6. The cable connector assembly according to claim 5, wherein the metal shell comprises a main body, and at least a pair of ear parts extending downward from both sides of the main body are arranged on the main body, A spring leaf is provided on the ear, and at least one cutout is arranged on both sides of the cover body, and there is a horizontal grid on the cutout for locking with the spring leaf on the metal shell. 7. The cable connector assembly according to claim 1, characterized in that: the locking device comprises a puller matched with the locker and a puller band installed on the puller, the puller The part is on the body, and the pull belt is approached from the outside and accommodated in the space at the end of the cover. 8. The cable connector assembly according to claim 1, wherein the metal body includes a base and a cover that are assembled with each other, and each of the base and the cover forms a tongue, and the receiving space is formed in the pair between the tongues with the printed circuit board between the tongues. 9. The cable connector assembly according to claim 8, characterized in that: the cover part and the base part are assembled together with screws, and the cover part and the base part are further fixed by the matching structure of the positioning post and the positioning hole, The printed circuit board includes at least one through hole through which the positioning column passes to fix the circuit board in the receiving space. 10 . The cable connector assembly according to claim 1 , wherein the locking member is formed with an inclined connecting portion, and the unlocking is realized by driving the pulling member to the inclined connecting portion. 11 .

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