CN209389289U

CN209389289U - The ground terminal of electric connector is total to ground structure

Info

Publication number: CN209389289U
Application number: CN201821978568.0U
Authority: CN
Inventors: 陈柏苍; 彭晓盈
Original assignee: KUNSHAN HONGZHI ELECTRONIC CO Ltd
Current assignee: KUNSHAN HONGZHI ELECTRONIC CO Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-09-13
Anticipated expiration: 2028-11-28

Abstract

The ground terminal that the utility model provides a kind of electric connector is total to ground structure, it is to provide a terminal group, the terminal group has upper, the first end stroma and second end stroma of lower arrangement, the first end stroma and the second end stroma are formed by ground structure and partial earthing terminal to be grounded, ground structure includes a fixing seat, plural elastic slice terminal is installed in the fixing seat and at least one is connected across the ground strip that the plural number elastic slice terminal is electrically connected, the plural number elastic slice terminal system is with first, two elastic arms pass through the ground terminal supported in first terminal and Second terminal respectively after terminal base and form ground connection, it is not direct in electrical contact with the earthy contact of board to form a kind of elastic slice terminal, and it is the structure that ground connection is formed by the ground terminal in first terminal and Second terminal.

Description

The ground terminal of electric connector is total to ground structure

Technical field

The utility model relates to a kind of ground terminals of electric connector to be total to ground structure, espespecially a kind of one terminal group of offer, should Terminal group has the first end stroma and second end stroma arranged above and below, and the first end stroma is with the second end stroma by connecing Ground structure and partial earthing terminal, which are formed, to be grounded.

Background technique

Electronics industry Fast Growth and maturation now, many difference 3C function electronic products are developed system according to different needs It makes, especially it is even more beyond imagination to be folded speed for computer, notebook computer, tablet computer and Smartphone, and update Direction nothing more than being processor arithmetic speed, network transmission speed and lighter, thin, short, small volume, electronic product in addition to It except volume becomes smaller, more needs that different interface connectors are arranged, in response to the more functions of expansion.

Electronic product, which is able to microminiaturization, the very big evolution for being partly due to silicon wafer process, when the line width of chip is come To 28 nanometers, 14 nanometers, 10 nanometers and after 7 nanometers newest, circuit board and corresponding connector also microminiaturization therewith work as connection Device causes the terminal spacing of group terminal group excessively close after reducing, in addition generating electromagnetism involves cross-talk simultaneously when transmission high-frequency signal (Cross-Talk) the problem of interfering, and cross-talk problem condition has absolute effect for transmission signal speed, high frequency connects Connect device include insulating body, the difference signal terminal being installed in insulating body to, be set to adjacent two groups of difference signal terminals Ground terminal between pair, and the ground strip that a little ground terminals are serially connected, but the ground strip structure is complicated and with connect The assembling steps that ground terminal substring connects are excessive, affect assembling working hour, and after assembling between ground strip and difference signal terminal pair, easily Because hypotelorism, tin silk generate or the error loaded onto of group generates short-circuit conditions, therefore the ground structure of convention connectors is bad is produced Raw cross-talk and short circuit problem, needing to be engaged in this journey dealer is improved.

Utility model content

Therefore, the utility model designer is collecting related data in view of above-mentioned problem and missing, via commenting in many ways Estimate and consider, and based on years of experience accumulated in this industry, through continuous trial and modification, the beginning designs such electrical connection The ground terminal of device is total to the novel birth of ground structure.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of ground terminal of electric connector is total to ground structure, is equipped with an insulating body, which has one First slot and one second slot, first slot and second slot respectively provide one first board and one second board do it is slotting It connects, which is characterized in that include: inside the insulating body

Plural terminals group is set in first slot and second slot grafting space be collectively formed, the plural number end Subgroup includes a first end stroma and a second end stroma, which is equipped with plural first terminal, the plural number first Terminal is formed with one first contact portion and one second contact portion of bending protrusion at first slot and second slot respectively； The plural number Second terminal is formed with a third contact portion and one for bending protrusion at first slot and second slot 4th contact portion；

Plural fixing seat is set between the first end stroma and the second end stroma, and should above the plural number fixing seat First end stroma is connected and fixed；And be connected and fixed below fixing seat with the second end stroma, single fixing seat includes multiple The slotting ditch of number and a socket；

Plural elastic slice terminal, the plural number for being plugged in the plural number fixing seat are inserted in ditch, and single elastic slice terminal is each in upper and lower side Equipped with one first elastic arm and one second elastic arm, which does in electrical contact with the part first terminal；Second elastic arm with Partially the Second terminal is done in electrical contact；And

Plural ground strip is plugged in the socket of the plural number fixing seat, and the plural number ground strip and the elastic slice terminal do electricity Property connection to provide signal ground.

The ground terminal of the electric connector is total to ground structure, in which: the plural number fixing seat is equipped with plural number in upper and lower side and determines Position slot, and the first end stroma and the second end stroma relative inner are equipped with plural convex block, the plural number locating slot provide this first Terminal base, second end stroma the plural number convex block do slide-in engaging, with formed the first end stroma, second end stroma and this fix The fixed structure of seat.

The ground terminal of the electric connector is total to ground structure, in which: the ground strip also has plural sandwich part, and the bullet Piece terminal also has a pincers portion between first elastic arm and second elastic arm, and the pincers portion of the plural number elastic slice terminal is vertically to hand over Fork angle is inserted into the sandwich part of the ground strip, to be electrically connected.

The ground terminal of the electric connector is total to ground structure, in which: and the both ends of the insulating body are respectively provided with a fixed part, The fixed part includes two open-works that horizontally arranged a card hole and a vertical direction is set to upper and lower side, which mentions Grafting is done for second board.

The ground terminal of the electric connector is total to ground structure, in which: in the jack above the card hole of the fixed part It is also plugged with a fixed block, when which is plugged in the card hole, is placed under the fixed part using a fixing piece by lower section The open-work of side, the hole at the second board both ends, the open-work above the lockhole of the fixed block and the fixed part, with formed this Two boards are locked in the structure of the insulating body.

The ground terminal of the electric connector is total to ground structure, in which: first contact portion of the first terminal and this The third contact portion of two-terminal respectively corresponds one first contact for contacting the upper and lower surfaces of first board；And the first end Second contact portion of son respectively corresponds the upper and lower surfaces for contacting second board with the 4th contact portion of the Second terminal One second contact.

The ground terminal of the electric connector is total to ground structure, in which: and the implementation group number of the plural terminals group is four groups, four The group terminal group is made of two groups of first end subgroups and two groups of second end subgroups respectively, the first end subgroup and the Second terminal Group is to be staggered.

The ground terminal of the electric connector is total to ground structure, in which: the first end stroma is opposite with the second end stroma Inside is provided with plural profile groove, which provides first elastic arm of the plural number elastic slice terminal and second elastic arm protrudes into it In, and done with the ground terminal of the ground terminal of the first terminal and the Second terminal in electrical contact.

The ground terminal of the electric connector is total to ground structure, in which: the first end stroma is to utilize with the first terminal It is embedded to made by the integral molding techniques projected；And the one that projects also with embedment of second end stroma and the Second terminal at Made by type technology.

The major advantage of the utility model is that the ground terminal for providing a kind of electric connector is total to ground structure, has one end Subgroup, the terminal group have the first end stroma and second end stroma arranged above and below, the first end stroma and the second end stroma It is formed and is grounded by ground structure and partial earthing terminal, ground structure includes a fixing seat, is equipped in the fixing seat multiple Number elastic slice terminals and at least one be connected across the ground strip that the plural number elastic slice terminal is electrically connected, the plural number elastic slice terminal system with First and second elastic arm passes through the ground terminal supported in first terminal and Second terminal respectively after terminal base and forms ground connection, to be formed A kind of elastic slice terminal is not direct in electrical contact with the earthy contact of board, and is by connecing in first terminal and Second terminal Ground terminal forms the structure of ground connection.

The minor advantage of the utility model is in that the plural number fixing seat is equipped with plural locating slot in upper and lower side, and this One terminal base and the second end stroma relative inner are equipped with plural convex block, which provides the first end stroma, second The plural number convex block of terminal base does slide-in engaging, to form the fixed knot of the first end stroma, second end stroma and the fixing seat Structure.

It is multiple that another advantage of the utility model is in that the first end stroma and the second end stroma relative inner are provided with Number profile grooves, which provides first elastic arm of the plural number elastic slice terminal and second elastic arm protrudes into wherein, and with this The ground terminal of one terminal and the ground terminal of the Second terminal do in electrical contact.

Detailed description of the invention

Fig. 1 is the three-dimensional appearance structure chart of the utility model.

Fig. 2 is the dimensional decomposition structure figure of the utility model.

Fig. 3 is the partial enlarged view of the utility model Fig. 2.

Fig. 4 is another dimensional decomposition structure figure of the utility model.

Fig. 5 is the partial enlarged view of the utility model Fig. 4.

Fig. 6 is the side elevational cross-section structure chart of the utility model.

Description of symbols: 1- insulating body；The first slot of 11-；The second slot of 12-；13- fixed part；131- card hole； 132- open-work；133- jack；14- fixed block；141- lockhole；15- fixing piece；The first board of 2-；The first contact of 21-；3- second Board；The second contact of 31-；The hole 32-；4- first end subgroup；41- first end stroma；411- first terminal；4111- first is contacted Portion；The second contact portion of 4112-；The first convex block of 412-；The first profile groove of 413-；42- second end stroma；421- Second terminal；4211- Third contact portion；The 4th contact portion of 4212-；The second convex block of 422-；The second profile groove of 423-；5- second end subgroup；51- first terminal Seat；511- first terminal；The first contact portion of 5111-；The second contact portion of 5112-；The first convex block of 512-；The first profile groove of 513-；52- Second end stroma；521- Second terminal；5211- third contact portion；The 4th contact portion of 5212-；The second convex block of 522-；523- second Profile groove；6- fixing seat；61- locating slot；62- inserts ditch；63- socket；7- elastic slice terminal；The first elastic arm of 71-；The second elastic arm of 72-； 73- pincers portion；8- ground strip；81- sandwich part.

Specific embodiment

To reach above-mentioned purpose and effect, technological means and its construction used by the utility model, hereby draw with regard to this reality It is as follows with novel its feature and function of preferred embodiment elaborate, understood completely with sharp.

It please refers to shown in Fig. 1 to Fig. 6, is three-dimensional appearance structure chart, the dimensional decomposition structure figure, Fig. 2 of the utility model Partial enlarged view, another dimensional decomposition structure figure, Fig. 4 partial enlarged view and side elevational cross-section structure chart, by figure can understand see Out, the ground terminal of the utility model electric connector is total to ground structure equipped with an insulating body 1, which has one First slot 11 and one second slot 12, first slot 11 and second slot 12 respectively provide one first board 2 and one second Board 3 does grafting, and includes: inside the insulating body 1

The both ends of the insulating body 1 are respectively provided with a fixed part 13, which includes a horizontally arranged card Hole 131 and a vertical direction are set to two open-works 132 of upper and lower side, which provides second board 3 and do grafting.

It is more to be plugged with a fixed block 14 in one jack 133 of 131 top of card hole of the fixed part 13, second board 3 when being plugged in the card hole 131, using a fixing piece 15 by lower section place 14 lower section of fixed block the open-work 132, this second The open-work 132 in the hole 32 at 3 both ends of board, the lockhole 141 of the fixed block 14 and 13 top of fixed part, to form second plate Card 3 is locked in the structure of the insulating body 1.

Plural terminals group is set in first slot 11 and the grafting space be collectively formed of the second slot 12, the plural number Terminal group includes a first end stroma 41,51 and a second end stroma 42,52, which is equipped with plural number the One terminal 411,511, the plural number first terminal 411,511 are formed with curved at first slot 11 and second slot 12 Roll over one first contact portion, 4111,5111 and 1 second contact portion 4112,5112 of protrusion；421,521 points of the plural number Second terminal A third contact portion 4211,5211 and 1 the 4th of bending protrusion is not formed at first slot 11 and second slot 12 Contact portion 4212,5212.The first end stroma 41,51 and the first terminal 411,511 systems are projected using embedment (InsertMolding) made by integral molding techniques；And second end stroma 42,52 is also with the Second terminal 421,521 Made by the integral molding techniques projected using embedment.

The implementation group number of the plural terminals group is four groups, in response to the specification of the first board 2 and the second board 3, four groups of ends Subgroup is made of two groups of first end subgroups 4 and two groups of second end subgroups 5 respectively, the first end subgroup 4 and the second end subgroup 5 It is to be staggered, the first end subgroup 4 is similar to the structure of the second end subgroup 5, and discrepancy is only that the end of first end subgroup 4 Sub- negligible amounts, therefore the first end stroma 41 of its composition and 42 length of second end stroma are shorter；Relatively, 5 end of second end subgroup Subnumber amount is more, therefore the first end stroma 51 of its composition and 52 length of second end stroma are longer.And fixing seat 6 and ground strip 8 are right Should first end subgroup 4 and the second end subgroup 5 also respectively have the different structure of length, but for avoid figure number too many and narration excessively Complexity is tediously long, therefore does not split into two groups of figure numbers for fixing seat 6 and ground strip 8 and number, hereby Chen Ming.

The first end stroma 41,51 and the second end stroma 42,52 relative inners are provided with plural profile groove, the plural number profile groove It include the first profile groove 413,513 and the second profile groove for being respectively arranged at first end stroma 41,51 and second end stroma 42,52 423,523, which provides first elastic arm 71 and second bullet of the plural number elastic slice terminal 7 Arm 72 protrudes into wherein, and connects with the ground terminal (not shown) of the first terminal 411,511 and the Second terminal 421,521 Ground terminal (not shown) does in electrical contact.

First contact portion 4111,5111 and the third of the Second terminal 421,521 of the first terminal 411,511 connect Contact portion 4211,5211 respectively corresponds one first contact 21 for contacting the upper and lower surfaces of first board 2；And the first terminal 411,511 second contact portion 4112,5112 and the 4th contact portion 4212,5212 of the Second terminal 421,521 are distinguished One second contact 31 of the corresponding upper and lower surfaces for contacting second board 3.

Plural fixing seat 6 is set between the first end stroma 41,51 and the second end stroma 42,52, and the plural number is fixed 6 top of seat is connected and fixed with the first end stroma 41,51；And 6 lower section of fixing seat is connect admittedly with the second end stroma 42,52 Fixed, single fixing seat 6 includes the slotting ditch 62 of plural number and a socket 63.

The plural number fixing seat 6 is equipped with plural locating slot 61, and the first end stroma 41,51 and the second end in upper and lower side Stroma 42,52 relative inners are equipped with plural convex block, which includes to be respectively arranged at first end stroma 41,51 and second First convex block 412,512 of terminal base 42,52 and the second convex block 422,522, the plural number locating slot 61 provide the first end stroma, The plural number convex block 412,512,422,522 of second end stroma 41,51,42,52 does slide-in engaging, to form the first terminal The fixed structure of seat, second end stroma 41,51,42,52 and the fixing seat 6.

The plural number that plural elastic slice terminal 7 is plugged in the plural number fixing seat 6 is inserted in ditch 62, and single elastic slice terminal 7 is in upper and lower Side is respectively provided with one first elastic arm 71 and one second elastic arm, which is electrically connected with the part first terminal 411,511 Touching；Second elastic arm 72 does in electrical contact with the part Second terminal 421,521.

Plural ground strip 8 is plugged in the socket 63 of the plural number fixing seat 6, the plural number ground strip 8 and the elastic slice terminal 7 It is electrically connected to provide signal ground.

The ground strip 8 has more plural sandwich part 81, and the elastic slice terminal 7 is in first elastic arm 71 and second elastic arm 72 Between have more a pincers portion 73, the pincers portion 73 of the plural number elastic slice terminal 7 is inserted into the folder of the ground strip 8 with square crossing angle Conjunction portion 81, to be electrically connected.

When being intended to assemble electric connector, the slotting ditch 62 of fixing seat 6 is first planted into plural elastic slice terminal 7 and is inserted in socket 63 A ground strip 8 is set, and the pincers portion 73 of the plural number elastic slice terminal 7 is made to be inserted into the clamping of the ground strip 8 with square crossing angle Portion 81, then by first end stroma 41,51 and 422,522 points of the first convex block 412,512 and the second convex block of second end stroma 42,52 It Hua Ru not be positioned in the plural locating slot 61 of the upper and lower side of fixing seat 6, i.e. the group of completion first end subgroup 4 and second end subgroup 5 Dress.Elastic slice terminal 7 is respectively protruding into first end stroma 41,51 and second in the first elastic arm 71 of upper and lower side and the second elastic arm at this time In first profile groove 413,513 of terminal base 42,52 and the second profile groove 423,523, with the ground terminal of first terminal 411,511 and The ground terminal of Second terminal 421,521 does in electrical contact, and the ground connection of first terminal 411,511 and Second terminal 421,521 The received harmonic wave noise of terminal institute and crosstalk signal can all be conducted to the plural number elastic slice terminal 7, then be passed by the plural number elastic slice terminal 7 It is directed to do in ground strip 8 and discharges or diminish.Two groups of first end subgroups 4 and two groups of second end subgroups 5 are all assembled in absolutely again at this time The first slot 11 and the second slot 12 of edge ontology 1 are formed by grafting space, continuous to insert the first board 2 and the second board 3 It is connected in first slot 11 and second slot 12, so that the first contact 21 of the first board 2 and the second of the second board 3 connect Point 31 all with 4111,5111 and 1 second contact portion 4112,5112, Yi Ji of the first contact portion of the first terminal 411,511 4211,5211 and 1 the 4th contact portion 4212,5212 of third contact portion of two-terminal 421,521 is electrically connected, finally will be exhausted The fixed part 13 of 1 two sides of edge ontology is respectively placed open-work 132, the second board of 13 lower section of fixed part using a fixing piece 15 by lower section The open-work 132 of 13 top of the hole 32 at 3 both ends, the lockhole 141 of fixed block 14 and fixed part, is locked in forming the second board 3 Insulating body 1 completes the assembling of the utility model.

By the announcement of above-mentioned Fig. 1 to Fig. 6, that is, can be appreciated that the utility model be a kind of electric connector ground terminal altogether Structure predominantly provides a terminal group, which has the first end stroma and second end stroma that arrange above and below, this One terminal base and the second end stroma are formed by ground structure and partial earthing terminal to be grounded, and ground structure includes one fixed Seat is equipped with plural elastic slice terminal in the fixing seat and at least one is connected across the ground connection that the plural number elastic slice terminal is electrically connected Piece, the plural number elastic slice terminal system support connecing in first terminal and Second terminal after passing through terminal base with the first and second elastic arm respectively Ground terminal forms ground connection, not direct in electrical contact with the earthy contact of board to form a kind of elastic slice terminal, and is by the Ground terminal in one terminal and Second terminal forms the structure of ground connection.The electric connector of the utility model is applied to high-frequency transmission When in field, the bad produced cross-talk of ground structure and short circuit problem of convention connectors can be effectively solved.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but It falls within the protection scope of the utility model.

Claims

1. a kind of ground terminal of electric connector is total to ground structure, it is equipped with an insulating body, which has one the One slot and one second slot, first slot and second slot respectively provide one first board and one second board does grafting, It is characterized in that, including: inside the insulating body

Plural terminals group is set in first slot and second slot grafting space be collectively formed, the plural terminals group It include a first end stroma and a second end stroma, which is equipped with plural first terminal, the plural number first terminal One first contact portion and one second contact portion of bending protrusion are formed at first slot and second slot respectively；This is multiple Number Second terminal is formed with a third contact portion and one the 4th for bending protrusion at first slot and second slot Contact portion；

Plural fixing seat is set between the first end stroma and the second end stroma, above plural number fixing seat with this first Terminal base is connected and fixed；And be connected and fixed below fixing seat with the second end stroma, single fixing seat includes that plural number is inserted Ditch and a socket；

Plural elastic slice terminal, the plural number for being plugged in the plural number fixing seat are inserted in ditch, and single elastic slice terminal is respectively provided in upper and lower side One first elastic arm and one second elastic arm, first elastic arm do in electrical contact with the part first terminal；Second elastic arm and part The Second terminal is done in electrical contact；And

Plural ground strip is plugged in the socket of the plural number fixing seat, which does with the elastic slice terminal electrically connects It connects to provide signal ground.

2. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the plural number fixing seat exists Upper and lower side is equipped with plural locating slot, and the first end stroma and the second end stroma relative inner are equipped with plural convex block, the plural number Locating slot provides the first end stroma, the plural number convex block of second end stroma does slide-in engaging, to form the first end stroma, the The fixed structure of two-terminal seat and the fixing seat.

3. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the ground strip also has Plural sandwich part, and the elastic slice terminal also has a pincers portion, the plural number elastic slice end between first elastic arm and second elastic arm The pincers portion of son is inserted into the sandwich part of the ground strip with square crossing angle, to be electrically connected.

4. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the two of the insulating body End is respectively provided with a fixed part, which includes that horizontally arranged a card hole and a vertical direction is set to upper and lower side Two open-works, which provides second board and does grafting.

5. the ground terminal of electric connector according to claim 4 is total to ground structure, it is characterised in that: the card of the fixed part It is also plugged with a fixed block in a jack above hole, when which is plugged in the card hole, using a fixing piece under Side places above the open-work, the hole at the second board both ends, the lockhole of the fixed block and the fixed part below the fixed part The open-work, to form the structure that second board is locked in the insulating body.

6. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the first terminal is somebody's turn to do First contact portion respectively corresponds the one first of the upper and lower surfaces for contacting first board with the third contact portion of the Second terminal Contact；And second contact portion of the first terminal respectively corresponds with the 4th contact portion of the Second terminal and contacts second plate One second contact of the upper and lower surfaces of card.

7. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the plural terminals group Implementation group number is four groups, and four groups of terminal groups are made of two groups of first end subgroups and two groups of second end subgroups respectively, this first Terminal group is to be staggered with the second end subgroup.

8. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the first end stroma with The second end stroma relative inner is provided with plural profile groove, the plural number profile groove provide the plural number elastic slice terminal first elastic arm and Second elastic arm protrudes into wherein, and does with the ground terminal of the ground terminal of the first terminal and the Second terminal in electrical contact.

9. the ground terminal of electric connector according to claim 1 is total to ground structure, it is characterised in that: the first end stroma with The first terminal is made by the integral molding techniques using embedment injection；And second end stroma and the Second terminal also with It is embedded to made by the integral molding techniques projected.