Connector assembly

Abstract

A connector combination includes a locking device and a cable plug connector that cooperate with each other in the front-rear direction. The locking device includes a receiving cavity for receiving the cable plug connector and side walls located on both sides of the receiving cavity. The cable plug connector is provided with an elastic element, and the elastic element is provided with a pair of clamping portions located on the left and right sides. The side walls are provided with locking portions that protrude forward. After the cable plug connector is inserted into the locking device, the clamping portions of the elastic element are locked below the locking portions, so as to firmly fix the cable plug connector in the locking device, prevent loosening when the plug connector cooperates with the docking connector, and further achieve reliable signal transmission between the two.

Description

Technical Field

[0001] The present invention relates to a connector combination, and more particularly to a connector combination for fixing a cable plug connector.

Background Art

[0002] When a traditional cable plug connector is docked with a docking connector for signal transmission, the cable plug connector and the docking connector are usually directly cooperated with each other by plugging and unplugging, and there is no other device to fix the cable plug connector. However, if the cable plug connector shakes during the cooperation with the docking connector, it is very easy to loosen or fall off, resulting in poor contact or even signal transmission interruption.

[0003] Therefore, it is necessary to provide a connector combination with an improved structure to meet the above requirements.

Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a connector combination for reliably fixing a cable plug connector.

[0005] To solve the above technical problem, the present invention can adopt the following technical solutions: A connector combination includes a locking device and a cable plug connector that cooperate with each other in the front-rear direction. The locking device includes a receiving cavity for receiving the cable plug connector and side walls located on both sides of the receiving cavity. The cable plug connector is provided with an elastic element, and the elastic element is provided with a pair of clamping portions located on the left and right sides. The side walls are provided with locking portions protruding forward. When the cable plug connector is inserted into the locking device, the clamping portions of the elastic element are locked below the locking portions.

[0006] Furthermore, the elastic element extends obliquely backward and upward, and a groove for receiving the clamping portion is provided below the locking portion.

[0007] Furthermore, the locking portion presses downward and forward against the clamping portion of the elastic element.

[0008] Furthermore, the cable plug connector includes an insulating body, terminals provided on the insulating body, a terminal module assembled behind the insulating body, an insulating block assembled behind the terminal module, and an insulating housing formed by overmolding on the insulating body and the insulating block; a docking groove is provided at the front end of the insulating body, the terminals are arranged in two rows on the upper and lower sides of the docking groove and one end of the terminals is exposed in the docking groove, and the other end is connected to the cable; the insulating block is provided with a plurality of elliptical holes penetrating through the front and rear for the cable to pass through; the elastic element is located above the insulating block.

[0009] Furthermore, the cable plug connector includes an insulating pad and a spring. The insulating pad is fixed on the insulating block in the up-down direction and can slide on the insulating block in the front-back direction. The elastic element is fixed on the insulating pad. The spring is clamped between the insulating block and the insulating pad to push the insulating pad to drive the elastic element to slide.

[0010] To solve the above technical problems, the present invention can also adopt the following technical solution: A connector combination includes a locking device and a cable plug connector that cooperate with each other in the front-back direction. The locking device includes a receiving cavity for receiving the cable plug connector. The locking device is provided with a locking portion above the receiving cavity. The cable plug connector is provided with an elastic element extending backward. The elastic element is provided with a clamping portion that is locked backward below the locking portion.

[0011] Furthermore, the locking device includes side walls on both sides of the receiving cavity. The locking portions are arranged in pairs above the two side walls. The clamping portions are arranged in pairs and are located on the left and right sides of the elastic element.

[0012] Furthermore, the locking portion protrudes forward and faces away from the cable plug connector. A groove is provided below the locking portion. The elastic element extends backward and upward obliquely and is received in the groove. The locking portion presses forward and downward against the locking portion.

[0013] Furthermore, the cable plug connector includes an insulating body, terminals provided on the insulating body, a terminal module assembled behind the insulating body, an insulating block assembled behind the terminal module, and an insulating housing formed by overmolding on the insulating body and the insulating block; a docking groove is provided at the front end of the insulating body. The terminals are arranged in two rows on the upper and lower sides of the docking groove and one end of each terminal is exposed in the docking groove and the other end is connected to a cable; the insulating block is provided with a plurality of oval holes penetrating through in the front-back direction for the cable to pass through; the elastic element is located above the insulating block.

[0014] Furthermore, the terminal module is provided with a pair of platforms protruding backward. The cable plug connector includes a pair of metal grounding sheets fixed on the platforms. The terminals include differential pair signal terminals and grounding terminals. The metal grounding sheet includes a main body portion extending in the horizontal direction and lapping on the platform, a plurality of contact pieces that are vertically bent from the main body portion and then extend forward at intervals to contact the grounding terminals, and a short-circuit portion connecting the front ends of the contact pieces. The short-circuit portion abuts against the main body forward and is perpendicular to the main body portion.

[0015] Compared with the prior art, by locking the clamping portion of the elastic element below the locking portion, the present invention can well fix the cable plug connector in the locking device, prevent loosening when the plug connector is mated with the docking connector, and thus achieve reliable signal transmission between the two.

Description of the Drawings

[0016] Figure 1 It is a schematic diagram after the cable plug connector of the connector combination of the present invention is mated with the locking device.

[0017] Figure 2 It is Figure 1 a schematic diagram from another angle.

[0018] Figure 3 It is a schematic diagram when the cable plug connector of the connector combination of the present invention is inserted into the locking device.

[0019] Figure 4 It is Figure 3 a schematic diagram from another angle.

[0020] Figure 5 It is a schematic diagram when the cable plug connector of the connector combination of the present invention is separated from the locking device.

[0021] Figure 6 It is Figure 5 a schematic diagram from another angle.

[0022] Figure 7 It is a sectional schematic diagram along the Figure 1 A-A line in.

[0023] Figure 8 It is a sectional schematic diagram along the Figure 3 B-B line in.

[0024] Figure 9 It is Figure 1 a disassembled schematic diagram of the cable plug connector in.

[0025] Figure 10 It is Figure 9 a schematic diagram from another angle.

[0026] Figure 11 It is Figure 9 a further disassembled schematic diagram.

[0027] Figure 12 It is Figure 11 a schematic diagram from another angle.

[0028] Figure 13 It is Figure 12 a schematic diagram from another angle of.

[0029] Figure 14 It isFigure 11 Exploded diagram of the terminal module of the cable plug connector.

[0030] Figure 15 for Figure 14 Schematic diagram from another angle.

[0031] Figure 16 For along Figure 5 Schematic diagram of the cross section along the CC line.

[0032] Figure 17 For along Figure 5 Schematic diagram of the cross section of the DD line.

[0033] Figure 18 It is a schematic diagram of a cable plug connector of a connector assembly and a locking device after being matched according to another embodiment of the present invention.

[0034] Figure 19 for Figure 18 Schematic diagram from another angle.

[0035] Figure 20 for Figure 18 Illustration of the cable plug connector and the locking device separated.

[0036] Figure 21 for Figure 20 Schematic diagram from another angle.

[0037] Figure 22 For along Figure 18 Schematic diagram of the cross section along line EE.

[0038] Figure 23 for Figure 18 A schematic cross-sectional view of a cable plug connector in a connector assembly when inserted into a locking device.

[0039] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. [Specific implementation method]

[0040] See also Figures 1 - 17As shown, the connector assembly 100 of the present invention includes a locking device 10 and a cable plug connector 50 that cooperate with each other in the front-rear direction. The locking device 10 is provided with a receiving cavity 11, and the cable plug connector 50 is inserted forward into the receiving cavity 11 to cooperate with the locking device 10. The locking device 10 includes a pair of side walls 12 located on the left and right sides of the receiving cavity 11, a cross bar 18 and a baffle 21 connected to the upper ends of the two side walls 12, and a flange 16 that protrudes inward from the lower ends of the side walls 12 and extends in the front-rear direction. The baffle 21 and the cross bar 18 are respectively located on the front side and the rear side of the side wall 12. The side walls 12, the baffle 21, the cross bar 18 and the flange 16 jointly enclose to form the receiving cavity. A guiding groove 14 that extends in the front-rear direction and communicates with the receiving cavity 11 is provided on the inner side of the side wall 12. A stepped locking portion 20 is provided below the cross bar 18 and a groove 22 is located below the locking portion 20.

[0041] The cable plug connector 50 includes an insulating body 52 and two rows of terminals (not shown) provided on the insulating body 52. A docking groove 54 is provided at the front end of the insulating body 52. The two rows of terminals are provided on the upper and lower sides of the docking groove and are exposed in the docking groove 54 to be docked with a docking connector. The cable plug connector 50 includes a terminal module 56 assembled behind the insulating body 52. Fixing grooves 53 are provided on both sides of the insulating body 52 at the docking groove 54. The terminal module 56 is provided with a pair of hooks 51 that protrude forward from both sides. The hooks 51 are clamped in the fixing grooves 53 to fix the terminal module 56 and the insulating body 52 together. The terminal module 56 includes a pair of main bodies 58 assembled together up and down. Please refer to Figure 14As shown, the two main bodies 58 are fixed to each other by the cooperation of the convex posts 581 and the fixing holes 582. The terminal passes through the main body 58 in the front-rear direction to be better fixed on the terminal module 56. A platform 583 protruding rearward is provided at the rear of the main body 58. The cable plug connector 50 includes a pair of metal ground plates 60 fixed on the platform of the main body 58. The terminal includes a differential pair signal terminal connected to the differential pair cable 70 and a ground terminal in contact with the metal ground plate 60. The metal ground plate 60 includes a main body portion 601 extending in the horizontal direction and lapping on the platform 583, a plurality of contact pieces 602 spaced apart and extending forward after being vertically bent from the main body portion 601 to contact the ground terminal, and a short-circuit portion 603 connecting the front ends of the contact pieces 602. The short-circuit portion 603 abuts against the main body 58 forward and is perpendicular to the main body portion 601. The two sides of the two main body portions 601 are overlapped with each other by the ears 604 extending by vertical bending, so as to connect the ground terminals of the two rows of terminals together, forming a good shielding effect. The metal ground plate 60 is also provided with a plurality of insertion pieces 605 extending forward from the main body portion 601 to be fixed in the insertion slots 585 of the main body portion 601. The platform 583 is provided with a slot 586 corresponding to the position of the insertion piece 605, and perforations 587 for the ears 604 to pass through are provided on both sides of the platform 583.

[0042] The cable plug connector 50 includes an insulating block 62 assembled behind the terminal module 56. The insulating block 62 includes a slot 64 penetrating forward to accommodate the terminal module 56, a pair of lugs 66 protruding to both sides, and a plurality of oval holes 68 penetrating through in the front-rear direction. The oval holes 68 communicate with the slot 64 in the front-rear direction for the cable to pass through. A pair of depressions 72 are provided above the insulating block 62, and a partition wall 76 is located behind the depressions 72 in the front-rear direction and between the two depressions 72 in the lateral direction. The front ends of a pair of springs 74 are received in the depressions 72, and the partition wall 76 separates the springs 74 on its left and right sides.

[0043] The cable plug connector 50 includes an insulating pad 78 that mates with the partition wall 76. The insulating pad 78 is provided with a pair of receiving grooves 80 for receiving the rear ends of the springs 74. The insulating pad 78 and the partition wall 76 are engaged by a dovetail groove and a dovetail block, so that the insulating pad 78 slides relative to the partition wall 76 in the front-rear direction under the action of the springs 74. The cable plug connector 50 includes an elastic element 82 fixed to the insulating pad 78. The elastic element 82 extends obliquely backward and upward. The elastic element 82 is provided with a holding portion 90 for locking and disengaging with the locking portion 20. When the cable plug connector 50 is engaged with the locking device 10, the insulating pad 78 can drive the elastic element 82 to move back and forth to buffer the impact force suffered by the cable plug connector 50 while ensuring a reliable engagement with the locking device 10.

[0044] The cable plug connector 50 further includes an insulating housing 84 overmolded on the insulating body 52, the insulating block 62, and the cable 70. The lugs 66 on both sides of the insulating block 62 protrude outward beyond the insulating housing 84.

[0045] When the cable plug connector 50 is inserted into the receiving cavity 11 of the locking device 10 from the rear to the front, the lugs 66 slide in the guiding grooves 14 to guide the cable plug connector 50 into the receiving cavity 11. The elastic element 82 is deflected downward under the action of the cross bar 18. When the insulating block 62 abuts against the baffle 21 forward, the cable plug connector 50 is inserted in place. At this time, the holding portion 90 on the elastic element 82 enters the groove 22 and is locked backward below the locking portion 20 of the cross bar 18.

[0046] In the present invention, the holding portion 90 of the elastic element 82 is locked below the locking portion 20, so that the cable plug connector 50 is well fixed in the locking device 10, preventing the plug connector 50 from loosening when mating with the docking connector, and thus realizing reliable signal transmission between the two. The locking portion 20 presses the holding portion 90 of the elastic element 82 downward and forward to fix the cable plug connector 50 in the locking device 10 in both the front-rear and up-down directions, so as to realize all-round positioning of the cable plug connector 50 from all directions. A groove 22 is provided below the locking portion 20 to receive the holding portion 90, so as to provide a space for the deformation of the holding portion 90.

[0047] Please refer to Figures 18 - 23A connector combination of another embodiment of the present invention is shown, which is different from the above embodiment in that the locking parts 20' of the locking device are arranged in pairs on the side walls 12, and the locking parts 20' protrude backward and have grooves 22' formed below them to accommodate the clamping parts 90. A sliding groove 19 connected to the accommodating cavity is provided above the inner surface of each side wall 12, and the clamping parts 90 of the elastic element are located on the left and right sides of the elastic element. When the cable plug connector is inserted into the locking device, the clamping part 90 slides forward in the sliding groove into the groove 22' and locks backward under the locking part 20'. The elastic element extends backward and upward at an angle, and the locking part 20 presses the clamping part 90 downward and forward. In this embodiment, the locking part 20' is arranged on the side wall 12 to lock the clamping part 90, so that the locking device forms a space between the two side walls 12 for the user to press the elastic element, thereby making it more convenient to insert or remove the cable plug connector from the locking device.

[0048] The above embodiments are preferred embodiments of the present invention, but not all embodiments. Any equivalent changes made to the technical solutions of the present invention by ordinary technicians in this field after reading the specification of the present invention are covered by the claims of the present invention.

Claims

1. A connector combination, characterized in that: It includes a locking device and a cable plug connector that cooperate with each other in the front-rear direction. The cable plug connector can be inserted into or pulled out of the locking device. The locking device includes a receiving cavity for receiving the cable plug connector and side walls on both sides of the receiving cavity. The cable plug connector is provided with an elastic element, and the elastic element is provided with a pair of clamping portions located on the left and right sides. The side walls are provided with locking portions protruding forward. After the cable plug connector is inserted forward into the locking device, the clamping portions of the elastic element are locked below the locking portions. The cable plug connector includes an insulating pad, an insulating block, and a spring. The elastic element is fixed on the insulating pad, and the insulating pad can slide on the insulating block in the front-rear direction. The spring is clamped between the insulating block and the insulating pad to push the insulating pad to drive the elastic element to slide, so that the clamping portions abut against the locking portions upward and backward.

2. The connector combination according to claim 1, characterized in that: The elastic element extends obliquely backward and upward, and a groove for receiving the clamping portion is provided below the locking portion.

3. The connector combination according to claim 2, characterized in that: The locking portion presses downward and forward against the clamping portion of the elastic element.

4. The connector combination according to any one of claims 1-3, characterized in that: The cable plug connector includes an insulating body, terminals provided on the insulating body, a terminal module assembled behind the insulating body, and an insulating housing formed by overmolding on the insulating body and the insulating block. The insulating block is assembled behind the terminal module. A docking groove is provided at the front end of the insulating body. The terminals are arranged in two rows on the upper and lower sides of the docking groove and one end of each terminal is exposed in the docking groove and the other end is connected to a cable. The insulating block is provided with a plurality of oval holes penetrating through in the front-rear direction for the cable to pass through. The elastic element is located above the insulating block.

5. The connector combination according to claim 4, characterized in that: The insulating pad is fixed on the insulating block in the up-down direction.

6. A connector combination, characterized in that: It includes a locking device and a cable plug connector that cooperate with each other in the front-rear direction. The cable plug connector can be inserted into or pulled out of the locking device. The locking device includes a receiving cavity for receiving the cable plug connector. The locking device is provided with a locking portion above the receiving cavity. The cable plug connector is provided with an elastic element extending backward. The elastic element is provided with a clamping portion locked backward below the locking portion. The cable plug connector includes an insulating pad, an insulating block, and a spring. The elastic element is fixed on the insulating pad, and the insulating pad can slide on the insulating block in the front-rear direction. The spring is clamped between the insulating block and the insulating pad to push the insulating pad to drive the elastic element to slide, so that the clamping portions abut against the locking portions upward and backward.

7. The connector combination according to claim 6, characterized in that: The locking device includes side walls on both sides of the receiving cavity. The locking portions are arranged in pairs above the side walls. The clamping portions are arranged in pairs and are located on the left and right sides of the elastic element.

8. The connector combination according to claim 6, characterized in that: The locking portion protrudes forward and faces away from the cable plug connector. A groove is provided below the locking portion. The elastic element extends obliquely backward and upward and is received in the groove. The locking portion presses forward and downward against the locking portion.

9. The connector combination according to any one of claims 6-8, characterized in that: The cable plug connector includes an insulating body, terminals provided on the insulating body, a terminal module assembled behind the insulating body, and an insulating housing injection-molded outside the insulating body and the insulating block; the insulating block is assembled behind the terminal module, a docking groove is provided at the front end of the insulating body, the terminals are arranged in two rows on the upper and lower sides of the docking groove and one end of each terminal is exposed in the docking groove while the other end is connected to a cable; the insulating block is provided with a plurality of oval holes penetrating through in the front and rear directions for the cable to pass through; the elastic element is located above the insulating block.

10. The connector combination according to claim 9, characterized in that: The terminal module is provided with a pair of platforms protruding rearward, the cable plug connector includes a pair of metal ground plates fixed on the platforms, the terminals include differential pair signal terminals and ground terminals, the metal ground plates include a main body portion extending horizontally and lapping on the platforms, a plurality of contact pieces which are vertically bent from the main body portion and then extend forward at intervals to contact the ground terminals, and a short-circuit portion connecting the front ends of the contact pieces, the short-circuit portion is attached forward to the main body and is perpendicular to the main body portion.

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