CN208401140U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connector, include: the housing unit of terminal assemblies, the plastic body component of stationary terminal and accepting terminals component and plastic body component, terminal assemblies include several signal terminals and with the spaced several ground terminals of several signal terminals；Each ground terminal is flaky comprising body part, the first positioning region extended from body part side and the second positioning region and third positioning region that extend from the other side of body part, electric connector further includes the front shroud for being clamped several the first positioning regions.It is clamped the front shroud of several the first positioning regions of ground terminal by setting, so as to be connected several ground terminals, and then is arranged at intervals on the signal terminal between ground terminal and is also fixed code and be combined, improve the stability of entire terminal assemblies.

Description

Electric connector

Technical field

The present invention relates to high-speed electrical connectors, in particular to a kind of high speed electrical connection with dead earth terminal structure Device.

Background technique

High speed connector, including also positive higher rate is sent out for back panel connector, board to board connector and I/O connector Exhibition.The transmission rate of connector is improved, it is necessary that signal quality of the signal under higher frequency transmission rate.Signal exists Quality in transmission path is signal integrity, and main indicator includes harassing, being lost and impedance etc..

The structure of general existing High speed rear panel connector is earth shield piece and to have signal terminal by plastic cement interference Plastic cement support chip be fixed together, but manufacturing, transporting, in the case where vibration at high speed, it is easy to make earth shield piece and Plastic cement support chip loosens, and causes high speed transmission of signals unstable.It is therefore desirable to be improved.

Utility model content

The purpose of this utility model is to provide a kind of electric connectors that terminal structure is more stable.

In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of electric connector, comprising: terminal assemblies, The plastic body component of the fixed terminal assemblies and the shell group of the receiving terminal assemblies and the plastic body component Part, the terminal assemblies include several signal terminals and with several spaced several ground terminals of signal terminal； Each ground terminal is flaky comprising body part, from the body part side extend the first positioning region and from The second positioning region and third positioning region that the other side of the body part extends, the electric connector further include clamping several the The front shroud of one positioning region.

Further, the electric connector further include be clamped several the second positioning regions back shroud, the front shroud with The structure of the back shroud is similar.

Further, the plastic body component includes the plastic parts for being fixedly connected with several third positioning regions.

Further, the front shroud include cover board body, several elastic joint parts being arranged on cover board body with And several elastic contact parts positioned at the cover board body two sides, the cover board body are arranged against the terminal assemblies.

Further, the first positioning region of the ground terminal and elastic joint part insertion cooperate.

Further, the elastic joint part includes that through slot and two extend and are oppositely arranged from the wall of the through slot The first elastic slice and the second elastic slice, the first elastic slice and the second elastic slice mutually stagger so as to the first positioning region can smoothly protrude into it is described Through slot is simultaneously abutted with the first elastic slice, the second elastic slice respectively.

Further, the elastic contact part includes third elastic slice, elastic force and institute of the third elastic slice using itself State cover board body against.

Further, the front shroud and the back shroud are oppositely arranged and are located at the two sides of the ground terminal.

Further, the ground terminal further includes the welding ends for welded connecting.

Further, the ground terminal further includes the inserted terminal far from welding ends setting.

The utility model has the beneficial effects that: the front shroud of several the first positioning regions of ground terminal is clamped by setting, So as to be connected several ground terminals, and then it is arranged at intervals on the signal terminal between ground terminal and is also fixed code It is combined, improves the stability of entire terminal assemblies.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail It describes in detail bright as after.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the first stereochemical structure cooperation schematic diagram of plastic body component and terminal assemblies.

Fig. 3 is the second stereochemical structure cooperation schematic diagram of plastic body component and terminal assemblies.

Fig. 4 is the fit structure schematic diagram of plastic body component and butt strip, front shroud, back shroud.

Fig. 5 is the fit structure schematic diagram of terminal assemblies and butt strip, front shroud, back shroud, plastic parts.

Fig. 6 is the fit structure schematic diagram of ground terminal and butt strip, front shroud, back shroud, plastic parts.

Fig. 7 is the structural schematic diagram of ground terminal.

Fig. 8 is the structural schematic diagram of front shroud.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

It please refers to shown in Fig. 1 to Fig. 8, the utility model discloses a kind of electric connector 100, including terminal assemblies 1, fixation The plastic body component 2 of the terminal assemblies 1 and the shell group of the receiving terminal assemblies 1 and the plastic body component 2 Part 3, terminal assemblies 1 can be used for being electrically connected other connectors, and plastic body component 2 can be fixed so that terminal by terminal assemblies 1 Component 1 will not be deformed after frequent grafting, and housing unit 3 can protect terminal assemblies 1 and plastic body component 2 is not scratched, And the stability of entire electric connector 100 can be improved.The terminal assemblies 1 are integrally formed with the plastic body component 2 Part, the single piece are located at one end of the housing unit 3.

The housing unit 3 includes first shell 4 and the second shell 5 fastened with the first shell 4 and third shell Body 6, the first shell 4, second shell 5 and third shell 6 collectively constitute an accommodating space for accommodating the terminal group Part 1 and plastic body component 2.Specifically, the first shell 4 is in the groove body type of thin-walled, accommodates the plastic cement sheet for whole Body component 2 and the terminal assemblies 1, there are two the bottom walls of two side walls 7 of parallel side wall 7 and a connection for tool (not shown), the second shell 5 vertically connect two side walls 7 and the bottom wall, are used for the plastic body group The single piece that part 2 and the terminal assemblies 1 are formed is closed.The side of two side walls 7 is extended with weld part 9, the welding Portion 9 can be inserted into the third shell 6 to be cooperated to limit the movement of the third shell 6.

Several arc convex 10 are additionally provided in the first shell 4, in the second shell 5 and the third shell 6 It is respectively equipped with the through-hole 11 that can be fastened and connected with the arc convex 10.The arc convex 10 has elasticity, so as to quilt Third shell 6 and the wall of second shell 5 are squeezed to protrude into the through-hole 11.When the arc convex 10 protrudes into the through-hole 11 Interior, the arc convex 10 is no longer squeezed by third shell 6 and the wall of second shell 5, so as to multiple using the elasticity of itself Position.And inner wall of the arc convex 10 after resetting then with the through-hole 11 contacts, thus first shell 4,5 and of second shell Third shell 6 can be connected removably.

The third shell 6 includes the interconnecting piece 12 to accept the plastic body component 2, which can protect The setting for the monolithic stability that the plastic body component 2 is formed with the terminal assemblies 1 is demonstrate,proved in the housing unit 3, thus Improve the stability of entire electric connector 100.

The terminal assemblies 1 include several signal terminals 13 and with the spaced several ground connection of several signal terminals 13 Terminal 14, the signal terminal 13 arrangement fixed and neat with the ground terminal 14 by the plastic body component 2.It is described Signal terminal 13 is not contacted with the ground terminal 14.The signal terminal 13 is used for transmission signal, and the ground terminal 14 can To realize shield effectiveness, so that signal terminal 13 can be with high-speed signal transmission.The ground terminal 14 is engraved structure, from And can reduce contact area, convenient for heat dissipation, while own wt is reduced, so that the overall weight of electric connector 100 reduces, just In carrying.

The utility model additionally provides a kind of structure of ground terminal 14, which can both increase shield effectiveness Again with 13 close-packed arrays of signal terminal, thus the overall stability of terminal assemblies 1 can be improved.

Each ground terminal 14 includes body part 15, the plug division 16 and first extended from 15 side of body part Positioning region 17 and the second positioning region 18 and third positioning region 19 extended from the other side of the body part 15.The electrical connection Device 100 further includes the front shroud 20 for being clamped several the first positioning regions 17 and the back shroud for being clamped several the second positioning regions 18 21, the plastic body component 2 includes the plastic parts 22 for being fixedly connected with several third positioning regions 19, the front shroud 20 and institute State the two sides that back shroud 21 is oppositely arranged and is located at the ground terminal 14.First positioning region 17, described second are determined Position portion 18 and the third positioning region 19 are chip shape, to embedding with corresponding front shroud 20, back shroud 21, plastic parts 22 Enter cooperation.First positioning region 17 can protrude into the front shroud 20 and contact with the front shroud 20, and described second is fixed Position portion 18 can protrude into the back shroud 21 and contact with the back shroud 21.The third positioning region 19 is embedded in and fixed company The plastic parts 22 is connect, so that plastic parts 22 can be such that several ground terminals 14 arrange according to a certain distance, is stablized if having The effect of dry ground terminal 14.Front shroud 20, back shroud 21, plastic parts 22 with dead earth terminal 14 and can increase terminal group The overall stability of part 1.

The body part 15 includes at least one to be fixedly connected with the plug division 16, first positioning region 17, institute State the support chip (not labeled) of the second positioning region 18, the third positioning region 19.The ground terminal 14 further includes far from described Entire electric connector 100 can be welded on mainboard by the welding ends 23 of inserted terminal setting, the welding ends 23.

The front shroud 20 is similar to the structure of the back shroud 21, therefore only describes front shroud 20 in the present embodiment Structure.Specifically, the front shroud 20 includes cover board body 24, several elastic joint parts 25 being arranged on cover board body 24 And several elastic contact parts 26 positioned at 24 two sides of cover board body, the cover board body 24 abut the terminal assemblies 1 setting.First positioning region 17 of the ground terminal 14 cooperates with the elastic joint part 25 insertion, further, the bullet Property interconnecting piece 25 include through slot 27 and two the first elastic slices 28 for extending and being oppositely arranged from the wall of the through slot 27 and the Two elastic slices 29, the first elastic slice 28 and the second elastic slice 29 mutually stagger so that the first positioning region 17 can smoothly protrude into the through slot 27 And abutted respectively with the first elastic slice 28, the second elastic slice 29, thus front shroud 20 is in the lateral direction relative to the ground terminal Any movement does not occur for 14 body part 15.The elastic contact part 26 includes third elastic slice 30, and the third elastic slice 30 utilizes The elastic force of itself and the cover board body 24 are against thus front shroud 20 is in the up-down direction relative to the ground terminal 14 Body part 15 any movement does not occur.Therefore, the front shroud 20 passes through several first elastic slices 28, several second elastic slices 29 abut with the first positioning region 17, several third elastic slices 30 and body part 15 so as to effectively fix several against connecing Ground terminal 14, and then also fastened with several spaced signal terminals 13 of ground terminal 14, further through back shroud 21 with Further increase the overall stability of terminal assemblies 1.

The electric connector 100 of the utility model further includes the butt strip 31 for overlapping several ground terminals 14, and the butt strip 31 is in The strip of hollow out sets up separately close to the plug division of the terminal assemblies 1 and sets, due to the butt strip 31 simultaneously with several ground connection Terminal 14 contacts, and increases the contact area of butt strip 31 Yu the ground terminal 14, therefore can be used for improving transmission shielding effect Fruit, so that signal terminal 13 can be with speedy carding process signal.The butt strip 31 connects the ground terminal 14, and with the plastic cement sheet Body component 2 is fixedly connected, to ensure the overall stability of the terminal assemblies 1.Further, the plastic body component 2 is gone back The first plastic cement 32 including the fixation 1 grafting part of terminal assemblies and the second plastic cement 33 with the butt strip 31 fastening.Institute It states the first plastic cement 32 and is equipped with the slot (not labeled) for being convenient for grafting, accommodated in the slot and be fixed with the terminal assemblies 1 and inserted Socket part point.Second plastic cement 33 is several lugs extended from 2 side of plastic body component, several lugs and institute The hollow-out part for stating butt strip 31 fastens.The butt strip 31 is made of conductive material, that is, has electrical conductance, such as rubber, metal material Matter, conductive plastics etc..

The utility model has the beneficial effects that the front shroud of several the first positioning regions of ground terminal is clamped by setting, thus Several ground terminals can be connected, so be arranged at intervals on the signal terminal between ground terminal be also fixed code close exist Together, the stability of entire terminal assemblies is improved, and front shroud using several elastic joint parts and is located at the cover board Several elastic contact parts and the ground terminal of ontology two sides are stood tightly against, so as to increase the terminal knot of the electric connector The overall stability of structure.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of electric connector characterized by comprising terminal assemblies, the fixed terminal assemblies plastic body component with And the housing unit of the receiving terminal assemblies and the plastic body component, the terminal assemblies include several signal terminals with And with several spaced several ground terminals of signal terminal；Each ground terminal is flaky comprising this Body portion, the first positioning region extended from the body part side and the second positioning region extended from the other side of the body part With third positioning region, the electric connector further includes the front shroud for being clamped several first positioning regions.

2. electric connector as described in claim 1, it is characterised in that: the electric connector further includes that several are second fixed for clamping The back shroud in position portion.

3. electric connector as claimed in claim 2, it is characterised in that: the plastic body component includes being fixedly connected with several The plastic parts of third positioning region.

4. electric connector as claimed in claim 3, it is characterised in that: the front shroud includes cover board body, is arranged described Several elastic joint parts on cover board body and several elastic contact parts positioned at the cover board body two sides, the lid Plate ontology is arranged against the terminal assemblies.

5. electric connector as claimed in claim 4, it is characterised in that: the first positioning region of the ground terminal and the elasticity Interconnecting piece insertion cooperation.

6. electric connector as claimed in claim 5, it is characterised in that: the elastic joint part includes through slot and two from institute State the first elastic slice and the second elastic slice that extend on the wall of through slot and be oppositely arranged, the first elastic slice and the second elastic slice mutually stagger so as to First positioning region can smoothly protrude into the through slot and abut respectively with the first elastic slice, the second elastic slice.

7. electric connector as claimed in claim 6, it is characterised in that: the elastic contact part includes third elastic slice, and described Three elastic slices using itself elastic force and the cover board body against.

8. electric connector as claimed in claim 7, it is characterised in that: the front shroud and the back shroud are oppositely arranged and divide Not Wei Yu the ground terminal two sides.

9. electric connector as claimed in claim 8, it is characterised in that: the ground terminal further includes the weldering for welded connecting Connect end.

10. electric connector as claimed in claim 9, it is characterised in that: the ground terminal further includes far from the welding ends The inserted terminal of setting.