CN114447680A - Electric connector combination - Google Patents
Electric connector combination Download PDFInfo
- Publication number
- CN114447680A CN114447680A CN202011203220.6A CN202011203220A CN114447680A CN 114447680 A CN114447680 A CN 114447680A CN 202011203220 A CN202011203220 A CN 202011203220A CN 114447680 A CN114447680 A CN 114447680A
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- Prior art keywords
- connector
- grooves
- contact
- connector assembly
- fixing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000012212 insulator Substances 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
Abstract
An electric connector combination comprises at least two transmission units which are arranged adjacent to each other, wherein each transmission unit comprises a first connector and a second connector which are arranged on a mainboard, and a switching board which is inserted between the first connector and the second connector to realize electric conduction; the two sides of the first connector are respectively provided with a convex block and a groove, the convex block can be clamped and fixed in the grooves of the adjacent first connectors, and the adjacent first connectors can be tightly assembled together, so that the miniaturization of the electric connector combination is facilitated, and the space utilization rate of the corresponding mainboard is improved.
Description
[ technical field ] A
The present invention relates to an electrical connector assembly, and more particularly, to a miniaturized electrical connector assembly.
[ background of the invention ]
With the development trend of increasing the communication rate of electronic devices and the development demand of miniaturization of electronic devices, the electrical connector assembly needs to conform to the design concept of small size, and the electrical connector assembly assembled by a plurality of electrical connectors usually needs to assemble the electrical connectors together by additional components, which often causes the defects of too large spacing and alignment tolerance between the electrical connectors, complex assembly process, and the like.
Therefore, there is a need to provide an improved electrical connector assembly to solve the above problems.
[ summary of the invention ]
The invention mainly aims to provide a miniaturized electric connector combination.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric connector combination comprises at least two transmission units which are arranged adjacent to each other, wherein each transmission unit comprises a first connector and a second connector which are arranged on a mainboard, and a switching board which is inserted between the first connector and the second connector to realize electric conduction; the two sides of the first connector are respectively provided with a convex block and a groove, and the convex blocks can be clamped and fixed in the grooves of the adjacent first connectors.
Furthermore, the convex blocks and the grooves are both vertically arranged dovetail structures, the grooves comprise upward arranged openings, and adjacent first connectors are fixed together by the fact that the convex blocks slide into the corresponding grooves from top to bottom.
Further, the electric connector assembly comprises a fixing bracket for fixing the transmission units to each other, the fixing bracket is provided with a longitudinal body part and support parts extending downwards from two longitudinal ends of the body part, the body part is provided with accommodating grooves which penetrate through the body part in the front-back direction and are the same as the transmission units in number, and each second connector is accommodated in the corresponding accommodating groove one by one.
Furthermore, the supporting part is provided with a dovetail clamping block extending forwards and backwards, dovetail sliding grooves are formed in two lengthwise sides of the first connector, and the fixing support and the first connector are assembled together through forward and backward sliding and fixing between the clamping block and the sliding grooves.
Further, the sliding groove comprises an opening arranged forwards, and the fixed support and the first connector are connected together by the clamping block sliding into the sliding groove from front to back.
Further, the keysets includes perpendicular first side and the second side that sets up each other, first side be equipped with first connector butt joint complex first contact, the second side be equipped with second connector butt joint complex second contact, first connector including be equipped with the first insulator of first interface and fix in a plurality of first terminals of first insulator, first terminal including expose in the first contact site of first interface and extend first insulator with the pin of mainboard contact, work as first side inserts during the first interface, first contact with first terminal electrical contact.
Further, the first connector comprises cover bodies arranged outside the first insulating body, the adjacent cover bodies are arranged together in a manner of being tightly attached to the outer surfaces of each other, and the convex blocks, the grooves and the sliding grooves are all arranged on the outer surfaces of the cover bodies.
Furthermore, the cover body is provided with a groove body which penetrates through the cover body from top to bottom, the two opposite side walls of the groove body are concavely provided with fixing grooves, the first insulating body comprises fixing lugs which protrude outwards, and when the fixing lugs are embedded into the fixing grooves, the first insulating body is stably assembled in the cover body.
Furthermore, the adapter plate is arranged vertically, a first connecting point of the adapter plate is positioned at the bottom of the adapter plate and is arranged along the horizontal direction, and a second connecting point is positioned above the first connecting point and is arranged along the vertical direction.
Further, in the front-rear direction, the foremost end of the first side is located in front of the second side, the first side is overlapped with the projection of the second connector on the main board at least partially, and in the up-down direction, the second side and the second connector are both located above the first side.
Compared with the prior art, the electric connector combination realizes the close assembly between the adjacent first connectors through the close fit between the dovetail-shaped convex blocks and the grooves arranged at the outer sides of the first connectors. Simultaneously, lug and recess directly set up the both sides at first connector, need not to fix through extra subassembly, and not only the equipment is convenient, still can reduce the counterpoint tolerance of equipment between the first connector, is favorable to improving transmission unit's range density to practice thrift its occupation space on the mainboard, realize the miniaturization of electric connector combination.
[ description of the drawings ]
Fig. 1 is a perspective view of the electrical connector assembly of the present invention.
Fig. 2 is a perspective view of fig. 1 from another angle.
Fig. 3 is a partially exploded view of fig. 1.
Fig. 4 is a perspective view of fig. 3 from another angle.
Fig. 5 is a partially exploded view of fig. 3.
Fig. 6 is a perspective view of fig. 5 from another angle.
Fig. 7 is a side view of the electrical connector assembly of the present invention with the mounting bracket removed.
Fig. 8 is a partially exploded view of fig. 6.
Fig. 9 is a perspective view of fig. 8 from another angle.
Fig. 10 is a further partially exploded view of fig. 9.
Fig. 11 is a perspective view of fig. 10 from another angle.
[ description of main reference symbols ]
Third contact part 212 of first interface 101
Cover 103 adapter plate 3
Holding groove 1031 first contact 310
Second side 32 of groove 12
Second contact row 321 of sliding chute 13
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
[ detailed description ] A
To better understand the objects, structures, features, and functions of the present invention, an embodiment of the electrical connector assembly of the present invention will be described with reference to fig. 1 to 11.
The invention discloses an electrical connector assembly 100, comprising at least one transmission unit 10, wherein the transmission unit 10 comprises a first connector 1, a second connector 2 and a patch panel 3, which are used for being mounted on a main board (not shown), the patch panel 3 is plugged between the first connector 1 and the second connector 2 to form electrical conduction, the patch panel 3 comprises a first side 31 and a second side 32 which are vertically arranged, the first side 31 is provided with a first contact 310 which is in butt joint fit with the first connector 1, the second side 32 is provided with a second contact 320 which is in butt joint fit with the second connector 2, the patch panel 3 further comprises a third side 33, the third side 33 is provided with a third contact 330, and the third contact 330 is used for being electrically connected with a cable (not shown). The electrical connector assembly 100 of the present invention comprises a third contact 330 for electrically connecting with a cable, in addition to the first connector 1 for connecting with a motherboard and the second connector 2 for connecting with other external devices, the third contact 330 can be configured to transmit high frequency signals with the cable, so as to provide more selectivity for the electrical connector assembly 100 to transmit multi-channel high frequency/low frequency signals, and the third contact 330 disposed on the adapter board 3 can integrate multiple signal contacts on the adapter board 3, so as to effectively save the motherboard space.
As shown in fig. 5 to 6, in the present embodiment, the third side edge 33 is parallel to the second side edge 32. The first, second and third contacts 310, 320 and 330 are respectively arranged into a first contact row 311, a second contact row 321 and a third contact row 331 along the edges of the first, second and third side edges 31, 32 and 33, and the second contact row 321 and the third contact row 331 are parallel to each other and perpendicular to the first contact row 311. The second row of contacts 321 is located between the second connector 2 and the third row of contacts 331.
The interposer 3 is vertically disposed, a first contact 310 of the interposer 3 is located at the bottom of the interposer 3 and arranged along a horizontal direction, a second contact 320 is located above the first contact 310 and arranged along a vertical direction, and a third contact 330 is located above the first contact 310 and arranged along a vertical direction. In the front and rear direction, the foremost end of the first side 31 is located the place ahead of the second side 32, in the up-down direction, the second side 32 and the second connector 2 is located above the first side 31, i.e. the second side 32 is retracted inwards relative to the first side 31, so that the length of the electric connector assembly 100 in the front and rear direction can be effectively reduced, and then the occupation of the electric connector assembly 100 on the mainboard can be reduced, which is favorable for improving the unit area utilization rate of the mainboard. The first side edge 31 at least partially overlaps the projection of the second connector 2 onto the motherboard. In the present embodiment, the foremost end of the first side 31 is located in front of the front end surface of the second connector 2. As shown in fig. 1 to 6, in the present embodiment, from the perspective of the first, second, and third contacts, the first contact 310 is located in front of the third contact 330, and there is no portion overlapping with each other in the vertical direction, which is beneficial for the third contact 330 to be connected to a cable (not shown), the second contact 320 is located right above the first contact 310, the second contact 320 is located higher than the third contact 330, and there are portions overlapping with each other in the vertical direction.
The first connector 1 is horizontally mounted to the motherboard and has a first interface 101 with an upward opening, the second connector 2 is vertically disposed and has a second interface 201 with a forward opening and a third interface 203 with a backward opening, the first contact 310 of the interposer 3 is inserted into the first interface 101, and the second contact 320 of the interposer 3 is inserted into the third interface 203.
In a preferred embodiment, in order to satisfy multi-channel information transmission simultaneously, the electrical connector assembly of the present invention generally includes at least two transmission units disposed adjacent to each other, in this embodiment, the electrical connector 100 includes four transmission units 10 disposed adjacent to each other, two sides of the first connector 1 are respectively provided with a protrusion 11 and a groove 12, and the protrusion 11 can be fixed in the groove 12 of the adjacent first connector 1. Referring to fig. 8 to 10, the protrusions 11 and the grooves 12 are both of a vertically-arranged dovetail structure, the grooves 12 include openings 120 facing upward, and adjacent first connectors 1 are fixed together by sliding the protrusions 11 into the corresponding grooves 12 from top to bottom. In the arrangement direction of a plurality of first connectors 1, the adjacent first connectors 1 can be firmly connected together by the cooperation of the projections 11 and the grooves 12. Meanwhile, the bump 11 and the groove 12 which are used for fixing each other are directly arranged on two sides of the first connector 1, and are not required to be fixed through additional components, so that the assembly is convenient, the tight arrangement between the first connectors 1 can be realized, the alignment tolerance during the assembly can be reduced, the arrangement density of the first connectors 1 can be improved, and the occupied space of the first connectors on the mainboard can be further saved.
Referring to fig. 1 to 4, the electrical connector assembly 100 includes a fixing bracket 4 for fixing the transmission units 10 to each other, the fixing bracket 4 is provided with a longitudinal body portion 41 and supporting portions 42 extending downward from two longitudinal ends of the body portion 41, the body portion 41 is provided with receiving slots 40 penetrating in the front and back direction and having the same number as the transmission units 10, and each of the second connectors 2 is received in the corresponding receiving slot 40. The supporting portion 42 is provided with a dovetail-shaped holding block 420 extending forward and backward, the longitudinal two sides of the first connector 1 are provided with dovetail-shaped sliding grooves 13, and the fixing bracket 4 and the first connector 1 are assembled together by sliding and holding the holding block 420 and the sliding grooves 13 forward and backward. In this embodiment, the sliding slot 13 includes an opening 130 disposed forward, and the fixing bracket 4 and the first connector 1 are connected together by sliding the holding block 420 into the sliding slot 13 from front to back. The holding block 420 and the sliding groove 130 can be limited in the vertical direction. Each support portion 42 is provided with a thickened portion 421 near the bottom thereof, and the bottom surface of the thickened portion 421 is provided with a main board mounting column 4210, and the main board mounting column 4210 can be inserted into the main board to increase the assembling stability of the fixing bracket 4.
The first connector 1 includes a first insulating body 102 having the first interface 101 and a plurality of first terminals 14 fixed on the first insulating body 102, where the first terminals 14 include a first contact portion 141 exposed at the first interface 101 and a pin 142 extending out of the first insulating body 102 to contact with the motherboard, and when the first side 31 is inserted into the first interface 101, the first contact 310 is electrically contacted with the first contact portion 141 of the first terminal 14.
As shown in fig. 8 to 9, the first connector 1 includes covers 103 disposed outside the first insulating body 102, the adjacent covers 103 are arranged close to each other, and the protrusion 11, the groove 12 and the sliding groove 13 are disposed on the outer surface of the cover 103. The cover body 103 is provided with a slot body 1030 which penetrates through the cover body 103 from top to bottom, two opposite side walls of the slot body 1030 are concavely provided with holding grooves 1031, the first insulating body 102 comprises holding protrusions 1021 which protrude outwards, and when the holding protrusions 1021 are embedded into the holding grooves 1031, the first insulating body 102 is stably assembled in the cover body 103.
Referring to fig. 11, the second connector 2 includes a second insulative housing 202 and a plurality of second terminals 21 held by the second insulative housing 202. The second insulating body 202 includes an upper sidewall 2021, a lower sidewall 2022, a left sidewall 2023 and a right sidewall 2024, the upper sidewall 2021, the lower sidewall 2022, the left sidewall 2023 and the right sidewall 2024 are disposed to form the second interface 201 and the third interface 203, and the second interface 201 and the third interface 203 are disposed through the second insulating body 202 in a front-back manner and located at front and rear ends of the second insulating body 202 respectively. The second terminal 21 is in an elongated shape and includes a second contact portion 211 and a third contact portion 212 disposed at the front and rear ends of the second terminal, the second and third contact portions 211, 212 are respectively exposed at the front and rear ends of the second and third interfaces 201, 203, when the second side edge 32 is inserted from the third interface 203, the second contact point 320 is in electrical contact with the third contact portion 212, and the second contact portion 211 is used for making electrical contact with an electronic device inserted from the second interface 201. With reference to fig. 1 and 4, the upper sidewall 2021 is provided with a holding piece 22 inserted from the front end thereof and covering the upper and lower surfaces thereof, and the holding piece 22 includes a spring piece 220 disposed on the upper surface of the upper sidewall 2021. The front end of the receiving groove 40 of the fixing bracket 4 is provided with a notch 43 penetrating upwards, the holding piece 22 is partially exposed out of the notch 43, and the elastic piece 220 is elastically clamped in the body 41, so as to enhance the stability of the assembly between the fixing bracket 4 and the transmission unit 10.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention. All such equivalent changes and modifications as may be made within the spirit and scope of the present invention as defined by the appended claims and the description thereof are deemed to be covered by the present invention.
Claims (10)
1. An electric connector combination comprises at least two transmission units which are arranged adjacent to each other, wherein each transmission unit comprises a first connector and a second connector which are arranged on a mainboard, and a switching board which is inserted between the first connector and the second connector to realize electric conduction; the method is characterized in that: the two sides of the first connector are respectively provided with a convex block and a groove, and the convex blocks can be clamped and fixed in the grooves of the adjacent first connectors.
2. The electrical connector assembly of claim 1, wherein: the convex blocks and the grooves are of vertically arranged dovetail structures, the grooves comprise upward arranged openings, and adjacent first connectors are fixed together by the fact that the convex blocks slide into the corresponding grooves from top to bottom.
3. The electrical connector assembly of claim 1, wherein: the electric connector assembly comprises fixing supports for fixing the transmission units, each fixing support is provided with a longitudinal body part and supporting parts extending downwards from two longitudinal ends of the body part, the body part is provided with accommodating grooves which penetrate through the body part in the front-back direction and are the same as the transmission units in number, and each second connector is accommodated in the corresponding accommodating groove one by one.
4. The electrical connector assembly of claim 3, wherein: the supporting part is provided with a dovetail clamping block extending forwards and backwards, dovetail sliding grooves are formed in two lengthwise sides of the first connector, and the fixing support and the first connector are assembled together through forward and backward sliding and fixing between the clamping block and the sliding grooves.
5. The electrical connector assembly of claim 4, wherein: the sliding groove comprises an opening arranged forwards, and the fixed support and the first connector are connected together by the clamping block sliding into the sliding groove from front to back.
6. The electrical connector assembly of claim 3, wherein: the keysets includes perpendicular first side and the second side that sets up each other, first side be equipped with first connector butt joint complex first contact, the second side be equipped with second connector butt joint complex second contact, first connector including be equipped with the first insulator of first interface and fix in a plurality of first terminals of first insulator, first terminal including expose in the first contact site of first interface and extend first insulator with the pin of mainboard contact, work as first side inserts during the first interface, first contact with first terminal electric contact.
7. The electrical connector assembly of claim 6, wherein: the first connector comprises cover bodies arranged outside the first insulating body, the adjacent cover bodies are arranged together in a manner of being tightly attached to the outer surfaces of each other, and the convex blocks, the grooves and the sliding grooves are all arranged on the outer surfaces of the cover bodies.
8. The electrical connector assembly of claim 7, wherein: the cover body is provided with a groove body which penetrates through the cover body from top to bottom, two opposite side walls of the groove body are concavely provided with fixing grooves, the first insulating body comprises fixing lugs which protrude outwards, and when the fixing lugs are embedded into the fixing grooves, the first insulating body is stably assembled in the cover body.
9. The electrical connector assembly of claim 6, wherein: the adapter plate is vertically arranged, a first connecting point of the adapter plate is located at the bottom of the adapter plate and is arranged along the horizontal direction, and a second connecting point is located above the first connecting point and is arranged along the vertical direction.
10. The electrical connector assembly of claim 6, wherein: in the front-rear direction, the foremost end of the first side is located in front of the second side, the first side overlaps with the projection of the second connector on the motherboard, and in the up-down direction, the second side and the second connector are both located above the first side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203220.6A CN114447680A (en) | 2020-11-02 | 2020-11-02 | Electric connector combination |
| US17/516,695 US11923630B2 (en) | 2020-11-02 | 2021-11-02 | Electrical connector assembly including an internal circuit board having three rows of conductive pads respectively at three end portions thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203220.6A CN114447680A (en) | 2020-11-02 | 2020-11-02 | Electric connector combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114447680A true CN114447680A (en) | 2022-05-06 |
Family
ID=81357255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011203220.6A Pending CN114447680A (en) | 2020-11-02 | 2020-11-02 | Electric connector combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114447680A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078527A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Adapter circuit board, first connector and connector assembly |
| CN113078510A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Connector assembly |
| CN114447681A (en) * | 2020-11-02 | 2022-05-06 | 富鼎精密工业（郑州）有限公司 | Electric connector combination |
-
2020
- 2020-11-02 CN CN202011203220.6A patent/CN114447680A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447681A (en) * | 2020-11-02 | 2022-05-06 | 富鼎精密工业（郑州）有限公司 | Electric connector combination |
| CN113078527A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Adapter circuit board, first connector and connector assembly |
| CN113078510A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Connector assembly |
| CN113078510B (en) * | 2021-03-10 | 2023-09-19 | 东莞立讯技术有限公司 | Connector assembly |
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