CN208580905U - High frequency connectors - Google Patents

Abstract

The utility model discloses a kind of high frequency connectors, to transmit high-frequency signal, including insulating body and the conductive terminal being installed on insulating body, the insulating body includes the docking groove to dock docking connector, the conductive terminal is exposed in the docking groove in electrical contact with docking connector, the conductive terminal includes the holding parts that edge is embedded on the insulating body, from holding parts extend forwardly into docking groove contact portion and from the holding parts other end extend tail portion, the expansion section for being wider than the holding parts is equipped between the tail portion and holding parts, the expansion section is equipped with the step for protruding from the holding parts, the step is flushed with the insulating body edge.So set, the step is flushed with the insulating body can reduce crosstalk, matching impedance, to promote high speed transmission of signals performance.

Description

High frequency connectors

Technical field

The utility model relates to a kind of high frequency connectors more particularly to a kind of high frequency connections to transmit high speed signal Device.

Background technique

High frequency connectors generally comprise insulating body, are installed on insulating body conductive terminal and be coated on insulation this The metal shell of external side realizes the transmission of signal by the conductive terminal when docking corresponding docking connector.

However, the signal frequency transmitted needed for the high frequency connectors requires more next due to the continuous improvement of scientific and technological level It is higher.And resistance to crosstalk ability and the impedance matching capability requirement since the demand of transmission frequency improves, to high frequency connectors itself Also higher and higher.

Therefore, it is necessary to be improved to existing high frequency connectors to overcome the defect in the prior art.

Utility model content

The purpose of this utility model is to provide a kind of reduction crosstalks, the high frequency connectors of matching impedance.

The purpose of this utility model is achieved through the following technical solutions: a kind of high frequency connectors, to transmit high frequency Signal, including insulating body and the conductive terminal being installed on insulating body, the insulating body includes to dock docking The docking groove of connector, the conductive terminal is exposed in the docking groove in electrical contact with docking connector, described to lead Electric terminal include edge be embedded on the insulating body holding parts, extend forwardly into from holding parts docking groove contact portion and from The tail portion that the holding parts other end extends is equipped with the expansion section for being wider than the holding parts, the expansion between the tail portion and holding parts Big portion is equipped with the step for protruding from the holding parts, and the step is flushed with the insulating body edge.

The expansion section is wider than the tail portion as a further improvement of the utility model,.

As a further improvement of the utility model, on the direction that the conductive terminal is arranged successively, the expansion section It is wider than the tail portion.

As a further improvement of the utility model, on the direction that the conductive terminal is arranged successively, the expansion section Two sides are wider than the tail portion.

The two rows that the high frequency connectors are equipped with positioned at docking groove two sides as a further improvement of the utility model, are conductive Terminal.

The tail portion of the conductive terminal of same row is to far from another row's conduction as a further improvement of the utility model, Direction bending where terminal.

The insulating body includes burying the second of the conductive terminal to inlay as a further improvement of the utility model, Collets and to accommodate the first collets for holding second collets, the docking groove is set to first collets On.

The insulating body is equipped with two piece of second collets as a further improvement of the utility model, leads described in two rows Electric terminal is inlayed respectively to be embedded on two pieces of second collets, and described the is contained in after cooperating between second collets In one collets.

As a further improvement of the utility model, first collets be equipped with base portion and from base portion further along The docking section of extension, the docking groove is recessed on the docking section, the base portion be equipped with recess from back to front and further to The preceding accommodating chamber being connected to the docking groove, second collets are installed from back to front to the accommodating chamber.

Metal shell is equipped on the outside of the insulating body as a further improvement of the utility model,.

Compared to the prior art, conductive terminal described in high frequency connectors described in the utility model includes that edge is embedded in the insulation Holding parts on ontology, the contact portion that docking groove is extended forwardly into from holding parts and from the tail portion that the holding parts other end extends, The expansion section for being wider than the holding parts is equipped between the tail portion and holding parts, the expansion section is equipped with and protrudes from the holding parts Step, the step flushes with the insulating body edge.So set, the step is flushed with the insulating body to drop Low crosstalk, matching impedance, to promote high speed transmission of signals performance.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model high frequency connectors.

Fig. 2 is the three-dimensional combination figure of another angle in Fig. 1.

Fig. 3 is the three-dimensional combination figure that metal shell is isolated in Fig. 1.

Fig. 4 is the three-dimensional combination figure that metal shell is isolated in Fig. 2.

Fig. 5 is the three-dimensional combination figure of the utility model high frequency connectors conductive terminal, bridge piece and the second collets.

Fig. 6 is the side view of component shown in Fig. 5.

Fig. 7 is that the utility model high frequency connectors isolate the part isometric exploded view after metal shell.

Fig. 8 is that the utility model high frequency connectors isolate the side sectional view after metal shell.

Fig. 9 is that the decomposed of the utility model high frequency connectors conductive terminal, bridge piece, the second collets and backboard shows It is intended to.

Figure 10 is the partial enlarged view in Fig. 9.

Figure 11 is the stereoscopic schematic diagram of the utility model high frequency connectors the second collets and bridge piece.

Appended drawing reference:

100 insulating body 1 of high frequency connectors

First collets, 2 base portion 21

211 docking section 22 of accommodating chamber

221 terminal containing slot 222 of docking groove

223 first step portion 224 of jube

Second collets, 3 mounting groove 311

Overlap 312 hollow slots 313 of slot

Empty 314 protrusion 315 of slot

316 cover board 4 of second step portion

41 positioning convex portion 42 of locating slot

5 portions 51 of bridge piece

52 conductive terminal 6 of foot

61 adjutage 62 of holding parts

63 tail portion 64 of contact portion

65 step 66 of expansion section

Difference signal terminal is to 601 ground terminals 602

Metal shell 7

Specific embodiment

The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.

Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.

It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.

It please join shown in Fig. 1 to 10, be the structural schematic diagram of the utility model high frequency connectors 100.The high frequency connectors 100 bring superior signal integrity and high density for next-generation storage device.Also it is provided for unmasked I/O connector Various configurations selection, including 38-74 pin, 0.6mm spacing, the jack design for meeting SFF8654 specification.Meet T10/ serially to connect SCSI (SAS-4) standard is connect, and is suitable for all known agreements, occupied space is identical as Mini-SAS, and typical case includes Server, interchanger, router, storage rack etc..

The utility model high frequency connectors 100 transmitting high-frequency signal, including insulating body 1 and be installed on insulation this Conductive terminal 6 on body 1, the insulating body 1 includes the docking groove 221 to dock docking connector (not shown), described Conductive terminal 6 is exposed in the docking groove 221 in electrical contact with docking connector, and the conductive terminal 6 includes several Difference signal terminal is to 601 and is arranged at intervals at difference signal terminal to the ground terminal 602 between 601, and the high frequency connects Connect device 100 and be equipped with bridge piece 5 positioned at 6 side of conductive terminal, the bridge piece 5 include the item portion 51 that longitudinally extends and The pairs of foot 52 laterally each extended over from the item portion 51 to two sides, the pairs of foot 52 to same ground terminal Sub 602 phases overlap joint.So set, the pairs of foot 52 can make the double-contact of bridge piece 5 be shorted ground terminal 602, thus High speed transmission of signals performance is promoted to reduce by 100 crosstalk of high frequency connectors.

Specifically, the bridge piece 5 be equipped with it is several it is spaced it is corresponding with the ground terminal 602 in pairs Foot 52.That is, several pairs of foots 52 are equipped on same bridge piece 5, in this way, structure is simple, it is easy to assembly.Certainly, In other embodiments, the bridge piece 5 is also possible to split settings.

The foot 52 further prolongs in reversed arc-shaped outward after extending in circular arc laterally down from the item portion 51 It stretches.The section of the i.e. described foot 52 substantially " S " type so can oliquely downward extend convenient for the foot 52, convenient for overlap joint institute Ground terminal 602 is stated, and not ground terminal 602 described in easy damaged.Certainly, in other embodiments, the foot 52 also cuts Face is also possible to other shapes.

The pairs of foot 52 is arranged along 51 mirror symmetry of item portion.So set, being convenient for the system of the bridge piece 5 Type is caused, and convenient for the assembling between the foot 52 and insulating body 1.In other embodiments, it is also possible to asymmetric Setting.

The high frequency connectors 100 are equipped with two rows of conductive terminals 6 positioned at 221 two sides of docking groove, the high frequency connectors 100 set there are two respectively with wherein row's conductive terminal 6 overlapped bridge piece 5.In this way, conductive terminal 6 described in each row There is independent bridge piece 5 to carry out ground connection overlap joint therewith, and the bridge piece 5 is more convenient for manufacturing and be assembled.

Preferably, two bridge pieces 5 are overlapped in the outside of two rows of conductive terminals 6.In this way, can be in two rows of institutes It states and bridge piece 5 is set in the outside of two rows of conductive terminals 6 again after conductive terminal 6 is completed, without in two rows of institutes State conductive terminal 6 cooperation assembling before installed, consequently facilitating assembling, and make 100 overall structure of high frequency connectors compared with It is simple.

The insulating body 1 includes the second collets 3 to hold the conductive terminal 6, on second collets 3 It is recessed with overlap joint slot 312, the ground terminal 602 is exposed in the overlap joint slot 312, the item portion 51 and institute of the bridge piece 5 It states the second collets 3 to match, the foot 52 extends in the overlap joint slot 312 and overlaps with 602 phase of ground terminal.Such as This, the conductive terminal 6 is immobilizated in second collets 3, and the bridge piece 5 can be matched with second collets 3, and The foot 52 overlaps with 602 phase of ground terminal, thus realize that 5 selectivity of bridge piece is overlapped on ground terminal 602, and It is not overlapped with 6 other parts of conductive terminal.

Second collets 3 are equipped with to the mounting groove 311 that accommodates the item portion 51, the overlap joint slot 312 with it is described Mounting groove 311 is connected, and also cooperation is equipped with the cover board 4 to hold the item portion 51 in the mounting groove 311.In this way, described Mounting groove 311 and the cover board 4 can cooperate the limitation item portion 51, and convenient for assembling.

The cover board 4 is recessed with the locating slot 41 to position the item portion 51 and foot 52, and the cover board 4 is also convexly equipped with Positioning convex portion 42315 to the mounting groove 311.So set, the cover board 4 can limit the bridge piece 5, prevent the bridge piece 5 mobile, and be conducive to fixing and the positioning of the cover board 4.

In the present embodiment, the bridge piece 5 is equipped with 6 pairs of foots 52, in this way, being suitable for SLIM SAS electric connector.

Further, metal shell 7 is equipped on the outside of the insulating body 1.To improve the screen of the high frequency connectors 100 Cover performance.

The conductive terminal 6 includes inlaying the holding parts 61 being embedded on the insulating body 1, extending forwardly into from holding parts 61 The contact portion 63 of docking groove 221 and from 61 other end of holding parts extend tail portion 64, between the tail portion 64 and holding parts 61 Equipped with the expansion section 65 for being wider than the holding parts 61, the expansion section 65 is equipped with the step 66 for protruding from the holding parts 61, institute Step 66 is stated to flush with 1 edge of insulating body.So set, the step 66 is flushed and can be reduced with the insulating body 1 Crosstalk, matching impedance, to promote high speed transmission of signals performance.In 100 assembling process of high frequency connectors, the step 66 can be used to binder band, take off after the conductive terminal 6 is immobilizated in insulating body 1 in groups by the material strip From so convenient for the installation fixing between the conductive terminal 6 and insulating body 1.

In the present embodiment, the expansion section 65 is wider than the tail portion 64.The width of the i.e. described tail portion 64 is less than described Expansion section 65 can be used to connect the material strip (not shown) on rear side of the expansion section 65, in this way, convenient for the conductive terminal 6 Manufacture and assembling.In other embodiments, the tail portion 64 can also be wider than with the expansion section 65 with wide or tail portion 64 described Expansion section 65.

On the direction that the conductive terminal 6 is arranged successively, i.e., the described conductive terminal 6 is arranged successively in left-right direction, and The expansion section 65 is wider than the tail portion 64 on left and right directions.In this way, the conductive terminal 6 can be cut by same plate sheet material it is curved It rolls over, the material strip and the conductive terminal 6 also belong to same sheet material, and structure is simple, easily manufactured.In other embodiment party In formula, the expansion section 65 can also be wider than the tail portion 64 in the up-down direction.

On the direction that the conductive terminal 6 is arranged successively, 65 two sides of expansion section are wider than the tail portion 64.Such as This, 65 left and right sides of expansion section can be used to binder band, and it is steady when assembling positioning to improve single conductive terminal 6 It is qualitative.

The high frequency connectors 100 are equipped with two rows of conductive terminals 6 positioned at 221 two sides of docking groove, and the described of same row is led The tail portion 64 of electric terminal 6 is bent to far from the direction where another row's conductive terminal 6.In this way, different row's conductive terminals 6 Tail portion 64 is located remotely from each other, consequently facilitating welding.

The insulating body 1 includes burying the second collets 3 of the conductive terminal 6 and to accommodate fixing institute to inlay The first collets 2 of the second collets 3 are stated, the docking groove 221 is set on first collets 2.In this way, the edge buries admittedly Surely crosstalk, matching impedance can be further decreased；And the insulating body 1 has two large divisions to assemble, so both convenient for described The edge of conductive terminal 6 buries fixation, and need to only bury in edge when edge is buried without considering the moulding process of 1 other component of insulating body After be assembled to first collets 2.

The insulating body 1 is equipped with two piece of second collets 3, and two rows of conductive terminals 6 are inlayed respectively to be embedded in described in two pieces On second collets 3, it is contained in first collets 2 after cooperating between second collets 3.So set, Edge convenient for the single conductive terminal 6 buries fixation.

First collets 2 are equipped with base portion 21 and from the docking sections that base portion 21 extends further along 22, described right Access slot 221 is recessed on the docking section 22, and the base portion 21 is equipped with recess from back to front and docks further along with described The accommodating chamber 211 that slot 221 is connected to, second collets 3 are installed from back to front to the accommodating chamber 211.In this way, described Two collets 3, which can accommodate, to be immobilizated on first collets 2.

The adjutage 62 of lengthwise, the docking groove are equipped between 6 holding parts 61 of conductive terminal and the contact portion 63 Several spaced jubes 223 that further recessed front and back extends in 221 form terminal containing slot between the jube 223 222, the jube 223 is higher than the jube 223 in adjutage 62 or so two in the part of 63 left and right sides of convex contact portion The part of side.In this way, crosstalk, matching impedance can be reduced by 223 difference of height of jube, to promote high speed transmission of signals performance. Specifically, being obstructed between 6 adjutage 62 of adjacent conductive terminal by less jube 223, crosstalk, matching resistance can be reduced It is anti-.

Part of the jube 223 at left and right sides of convex contact portion 63 is with the jube 223 in adjutage 62 or so First step portion 224 is equipped between the part of two sides.In this way, the jube 223 of 63 left and right sides of contact portion is higher, and it is described The jube 223 of the left and right sides of adjutage 62 is lower, due to during docking connector grafting, the amplitude of fluctuation of the contact portion 63 Degree is maximum, and the higher jube 223 can preferably limit the receiving contact portion 63；And the amplitude of fluctuation of the adjutage 62 Smaller, the lower jube 223 can meet the limit receiving function of the adjutage 62.

The adjutage 62 is skewed to extend the jube 223 to drawing close in the middle part of docking groove 221.In this way, described prolong Semi-girder 62 is partially housed between the adjacent jube 223, to meet receiving limit function；And extend the portion of jube 223 Dividing can be by smaller crosstalk.

The convex contact portion 63 extends the jube 223 to drawing close in the middle part of docking groove 221.In this way, described prolong The contact portion 63 for stretching out the jube 223 can be by smaller crosstalk, and the contact portion 63 that is contained between the jube 223 Part can be by the limit of jube 223.

The high frequency connectors 100 are equipped with two rows of conductive terminals 6 positioned at 221 two sides of docking groove, two rows of conducting ends The contact portion 63 of son 6 mutually draws close protrusion, and the adjutage 62 mutually draws close extension.In this way, the front end of the docking groove 221 Part is relatively narrow, and the rear end part of the docking groove 221 is wider, can meet the limit of two rows of conductive terminals 6 simultaneously and reduce string The requirement disturbed.

The insulating body 1 includes burying the second collets 3 of 6 holding parts 61 of conductive terminal and to receive to inlay Hold the first collets 2 for holding second collets 3, the docking groove 221 is set on first collets 2.In this way, institute Stating the first collets 2 separately fabricated can form, convenient for the setting molding to the docking groove 221.

Second collets 3 are convexly equipped with forward protrusion 315, and the extension extends anteriorly out institute from the protrusion 315 The second collets 3 are stated, the protrusion 315 is connected to each other with the jube 223, and the protrusion 315 is equipped with and is higher than the jube 223 In the second step portion 316 of the part of 62 left and right sides of adjutage.The protrusion 315 can further realize holding parts 61 solid It is fixed, and the second step portion 316 can reduce the crosstalk between conductive terminal 6 described in the position.

The first step portion 224 is consistent with 316 height of second step portion.In this way, it is corresponding to reduce the conductive terminal 6 Crosstalk before part, and convenient for assembling.In other embodiments, the first step portion 224 and second step portion 316 are high Degree can also be inconsistent.

The conductive terminal 6 includes several difference signal terminals to 601, and the difference signal terminal includes two to 601 Difference signal terminal, the insulating body 1 between two difference signal terminals are equipped with the hollow slots 313 emptied.So set It sets, the hollow slots 313 can reduce crosstalk, matching impedance, promote high speed transmission of signals performance.

The hollow slots 313 emptied are set on second collets 3, through described the before and after the hollow slots 313 Two collets 3.So set, 1 materials of insulating body between two difference signal terminals are less, drop can further improve The effect of low crosstalk.

Second collets 3 are recessed with the mounting groove 311 to extend along 6 arragement direction of conductive terminal, the hollow out Slot 313 intersects connection with the mounting groove 311, and also cooperation is equipped with cover board 4 in the mounting groove 311.In this way, being convenient for described second Collets 3 are manufactured, and can install functional parts between the mounting groove 311 and cover board 4.

In the present embodiment, the conductive terminal 6 further includes positioned at adjacent differential signal terminal to the ground connection between 601 Terminal 602, the interior bridge piece 5 being equipped with to overlap the ground terminal 602 of the mounting groove 311, the bridge piece 5 are held on Between the mounting groove 311 and cover board 4.In this way, the bridge piece 5 can further decrease the adjacent differential signal terminal pair Crosstalk between 601.

The hollow slots 313 are further below the mounting groove 311.In this way, the adjacent differential signal terminal to 601 it Between by insulating body 1 cross talk effects it is smaller.

It is equipped in the mounting groove 311 in 313 side of hollow slots and empties slot 314 further below the hollow slots 313, It is described that empty slot 314 corresponding with the position of the difference signal terminal.In this way, crosstalk can be further decreased.It is described to empty slot 314 corresponding with the position of the difference signal terminal refer to described empty between slot 314 and the difference signal terminal completely Position is overlapped or portion is overlapped, in the present embodiment, described to empty part between slot 314 and the difference signal terminal Position is overlapped.Pair described empty between slot 314 and the difference signal terminal can be only every setting relatively thin 1 materials of insulating body, i.e., Difference signal terminal plays insulating effect can reduce crosstalk again.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of high frequency connectors, to transmit high-frequency signal, including insulating body and the conduction being installed on insulating body Terminal, the insulating body include the docking groove to dock docking connector, and the conductive terminal is exposed to the docking groove It is interior in electrical contact with docking connector, it is characterised in that: the conductive terminal include edge be embedded on the insulating body Holding parts, the contact portion that docking groove is extended forwardly into from holding parts and from the holding parts other end extend tail portion, the tail portion The expansion section for being wider than the holding parts is equipped between holding parts, the expansion section is equipped with the step for protruding from the holding parts, The step is flushed to connect or disconnect material strip, the step with the insulating body edge.

2. high frequency connectors as described in claim 1, it is characterised in that: the expansion section is wider than the tail portion.

3. high frequency connectors as described in claim 1, it is characterised in that: on the direction that the conductive terminal is arranged successively, The expansion section is wider than the tail portion.

4. high frequency connectors as described in claim 1, it is characterised in that: on the direction that the conductive terminal is arranged successively, The expansion section two sides are wider than the tail portion.

5. high frequency connectors as described in claim 1, it is characterised in that: the high frequency connectors, which are equipped with, is located at docking groove two sides Two rows of conductive terminals.

6. high frequency connectors as claimed in claim 5, it is characterised in that: the tail portion of the conductive terminal of same row is to separate Direction bending where another row's conductive terminal.

7. high frequency connectors as claimed in claim 5, it is characterised in that: the insulating body includes burying the conduction to inlay Second collets of terminal and to accommodate the first collets for holding second collets, the docking groove is set to described On first collets.

8. high frequency connectors as claimed in claim 7, it is characterised in that: the insulating body is equipped with two piece of second collets, Two rows of conductive terminals are inlayed respectively to be embedded on two pieces of second collets, is received after cooperating between second collets It is dissolved in first collets.

9. high frequency connectors as claimed in claim 8, it is characterised in that: first collets are equipped with base portion and from base portion The docking section extended further along, the docking groove is recessed on the docking section, and the base portion is equipped with to be recessed from back to front And the accommodating chamber being connected to further along with the docking groove, second collets are installed from back to front to the accommodating chamber It is interior.

10. high frequency connectors as described in claim 1, it is characterised in that: be equipped with metal shell on the outside of the insulating body.