CN206180255U - High low frequency rectangular electric connector - Google Patents

Abstract

The utility model relates to a rectangular connector technical field, concretely relates to high low frequency rectangular electric connector, including plug and socket, the plug includes the plug subassembly, and the socket includes the socket subassembly, the utility model discloses a plug and socket counterface add the conductive sealing pad, and the waterproof performance who had both satisfied the product does and satisfies the electric continuity of product, and the clearance of closing the back interface and existing can be inserted by the filling head seat to terminal surface conductive sealing pad, carries high electrical performance, and is dampproofing, is convenient for again compress, can not influence the decrement of contact length and cylindric sealing washer. Gland nut changes into and mills the hexagonal by rolling the straight burr, therefore the structure can be better than straight burr salt spray resistance.

Description

A kind of low-and high-frequency rectangular electric connector

Technical field

The utility model is related to rectangular connector technical field, and in particular to a kind of low-and high-frequency rectangular electric connector.

Background technology

Rectangular connector based on PICMG2.0CompactPCI specifications connector can successfully with PCIExpress devices Part connects, and meets instrument and meter, the tomorrow requirement of military and air market CompactPCI user, also defines corresponding plate (3U, 6U) and back panel connector, electronics and machinery standard.Its system slot (plate) can accommodate up to 24 passages and 4 PCIExpress connects, and the maximum system bandwidth in each direction is 6Gb/s.Peripheral slot can at most have 16 4Gb/s passages (1 type peripheral hardware plate) or 8 2Gb/s passages (2 type peripheral hardware plate).More and more connectors are applied in high speed, high-end field, in order to carry High signal integrity, must adopt Difference signal pair on connector technique.ERmetZD and HMERmet connectors not only meet The requirement of high-speed applications signal integrities, also supports what PICMG ratified recently CompactPCIExpressPICMGEXP.0R1.0 specifications.PICMGEXP.0 is by being referred to as " senior difference knot for ATCA standards The ERmetZD connectors transmission PCIExpress signals of structure (ADF) ".The connector requirement for meeting the standard has reliable height Fast signal transmission, high terminal density, and support other industrial standards and have the reliable supply of material of Secondary resource.Wherein 3 row signals To version meet new CompactPCIExpress standards, and 30 pairs of differential signals can be provided in every 25mm lineal measures.This Outward, because apart from card center, farther out, the ZD connectors of this 3 row can be used on and insert on 3U plates PMC modules or XMC modules. ERmetZD connectors are also the AN connector of existing PICMG2.20 and PICMG3.0 (ACTA) specification.Original device sets The problems of standby, shortcoming.The old phase product of the serial low-and high-frequency rectangular electric connectors of existing JQ6S in use can Have water leakage, and case material is copper alloy, salt spray resistance is poor, and does not have good waterproof after product headstock is plugged together Sealing property.

Being directed to the old phase product of low-and high-frequency rectangular electric connector can have water leakage in use, and housing material Expect for copper alloy, salt spray resistance is poor, and there are no good sealing performance these phenomenons after product headstock is plugged together, this Shen Please file solved there is provided a kind of low-and high-frequency rectangular electric connector.

Utility model content

For the deficiencies in the prior art, the utility model provides a kind of low-and high-frequency rectangular electric connector, for solving height The old phase product of low-frequency rectangular electric connector can have water leakage in use, and case material be copper alloy, salt tolerant Mist poor performance, and with these phenomenons of good sealing performance after product headstock is plugged together.

The utility model is achieved by the following technical programs：

A kind of low-and high-frequency rectangular electric connector, including it is comprising plug and socket, it is characterised in that：Before center bolt Pad, plug core screw rod, center bolt sheath, plug screw sealing ring, plug screw, a word slotted cheese head screw, spring washer, plain cushion Circle, handwheel, handwheel cushion block, handwheel pad, center bolt sealing ring, head cable hood, nut, sealing ring, packing ring, cable hood, electricity Cable clip, center bolt sheath sealing ring, connector dust cap, connector dust cap sealing ring and slotted cheese head screw；The plug Comprising plug-assembly；It is provided with inside the plug-assembly between insulator, the jack and plug-assembly and head cable hood and sets There is O-ring and by being fixed with a word slotted cheese head screw, spring washer and plain washer, the plug-assembly and connector dust Connected by the plug core screw flight between lid, the center bolt sheath and center bolt sheath sealing ring are all provided with Put in the outside of plug core screw rod, the nut is threaded connection and is provided with therebetween sealing ring with the cable hood, described Sealing ring is wrapped in Exterior cable, cable clip and a word slotted cheese head screw, spring washer and plain washer clamping cables；The socket Comprising jack assemblies.

Preferably, insulator is installed inside the jack assemblies.

Preferably, it is additionally provided with the socket：The seat cable hood of contact pin and jack assemblies, the contact pin and jack assemblies it Between be provided with O-ring and be fixed with a word slotted cheese head screw, spring washer, plain washer, nut and cable hood are connected using screw thread Connect.

Preferably, the socket is additionally provided with and is provided with cable clip and a word slotted cheese head screw, spring washer, plain washer used in folder Tight cable so as to fixed.

Preferably, connected and it by the plug core screw flight between the plug-assembly and connector dust cap Between be provided with the connector dust cap sealing ring.

Preferably, the plug is plugged on socket.

The beneficial effects of the utility model are：

Plug and socket counterface of the present utility model adds conductive seal pad, and the water resistance for both having met product also may be used Meet the electric continuity of product, end face conductive seal pad can fill headstock and plug together the gap that rear interface is present, and improve electrical Can, it is moistureproof, compression is easy to again, do not interfere with the decrement of contact length and shaped seals circle.Sealing nut is changed to by straight burr is rolled The side of milling six, therefore structure is more preferable than straight burr salt spray resistance.

Description of the drawings

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is the internal structure schematic diagram of plug of the present utility model；

Fig. 2 is the internal structure schematic diagram of socket of the present utility model；

Label in figure is represented respectively：

1st, plug-assembly；2nd, center bolt front pad；3rd, plug core screw rod；4th, center bolt sheath；5th, plug screw sealing Circle；6th, plug screw；7th, a word slotted cheese head screw；8th, spring washer；9th, plain washer；10th, handwheel；11st, handwheel cushion block；12nd, handwheel pad Piece；13rd, center bolt sealing ring；14th, head cable hood；15th, nut；16th, sealing ring；17th, packing ring；18th, cable hood；19th, cable Folder；20th, center bolt sheath sealing ring；21st, connector dust cap；22nd, connector dust cap sealing ring；23rd, slotted cheese head screw； 24th, contact pin；25th, jack assemblies；26th, seat cable hood.

Specific embodiment

It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the enforcement in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of the utility model protection.

As depicted in figs. 1 and 2, this specific embodiment is adopted the following technical scheme that：It includes plug and socket, and plug is inserted It is connected on socket；Plug includes plug-assembly, center bolt front pad, plug core screw rod, center bolt sheath, plug screw sealing Circle, plug screw, a word slotted cheese head screw, spring washer, plain washer, handwheel, handwheel cushion block, handwheel pad, center bolt sealing ring, Head cable hood, nut, sealing ring, sealing ring, packing ring, cable hood, cable clip, a word slotted cheese head screw, center bolt shield Set sealing ring, connector dust cap, connector dust cap sealing ring, slotted cheese head screw；Be provided with inside plug-assembly insulator, , there is type circle in jack, improve sealing between the two between male component and head cable hood, and be slotted socket cap spiral shell with a word Nail, spring washer, plain washer are fixed, and are threadedly coupled by plug core screw rod between plug-assembly and connector dust cap, and it Between there is connector dust cap sealing ring to seal, center bolt sheath and center bolt sheath sealing ring are in plug core , using threaded connection, there is sealing and enclose waterproof sealing effect in centre for the outside of screw rod, nut and cable hood；Head cable hood and spiral shell Mother is also effect same, and sealing ring is wrapped in Exterior cable, plays waterproof sealing effect, cable clip and word fluting socket cap spiral shell Nail, spring washer, plain washer are used in clamping cables so as to fixed；Socket comprising female component, a word slotted cheese head screw, spring washer, Plain washer, seat cable hood, nut, sealing ring, sealing ring, packing ring, cable hood, cable clip, a word slotted cheese head screw, plug screw Sealing ring, plug screw；Insulator, contact pin are installed inside jack assemblies, type circle is deposited between female component and seat cable hood, improve two Sealing between person, and be fixed with a word slotted cheese head screw, spring washer, plain washer, nut and cable hood adopt spiral shell Line connects, and centre has sealing and encloses waterproof sealing effect；Seat cable hood and nut are also effect same, and sealing ring is wrapped in electricity Outside cable, play waterproof sealing effect, cable clip and a word slotted cheese head screw, spring washer, plain washer are used in clamping cables so as to It is fixed.

The utility model is the ancestor for improving the performance such as JQ6 series of products " three prevent ", waterproof seal, anti-drop Purport, the conceptual level carries out comprehensive height in terms of product structure, material selection, Product Process etc. to JQ6D-102 electric connectors can Improve by property design.

1) structure design

JQ6D-102 structures " three prevent ", water resistance, anti-drop design point are as follows：

A) sealing corrosion design

According to existing product JQ6S design features, it is as follows that the design of JQ6D products waterproof sealing improves content：1) plug, socket Counterface adds conductive seal pad, and both having met the water resistance of product can also meet the electric continuity of product, and end face conduction is close Packing can fill headstock and plug together the gap that rear interface is present, and improve electrical property, moistureproof, and compression is easy to again, do not interfere with and connect The decrement of tactile length and shaped seals circle.2) sealing nut is changed to the side of milling six by straight burr is rolled, therefore structure is than straight burr salt spray resistance Performance is more preferable.

B) Drainage Design

At the position for easily accumulating liquid, should there are osculum, drainage channel or other discharge regimes, and be easy to check and clear Reason, therefore handwheel bottom is increased into osculum.

C) securing member is selected

Out of my cabin securing member should avoid using the securing member of cross recess, interior hexagon screw, headed to adopt upsetting system processing side Formula, external screw thread adopts rolling and processing mode.Therefore plug top and side screw are changed to into stainless steel slotted head screw.

D) anti-drop design

Multi-plug cable cover addition ring flange design, attended operation adaptability is good, improves the anti-drop shatter-resistant performance of product.

2) material is selected

A) case material is selected：

Because JQ6S product shells material adopts H62 brass.Copper and copper alloy are because of its excellent mechanical property, preferably conduction Property and corrosion resistance become most important material in electronics industry and communications industry.In general, after copper is exposed to the sun in air One layer of Cu2O diaphragm can be quickly formed, therefore, there is preferable corrosion resistance in normal atmospheric environment.But ocean islands and reefs is big There is more corrosive ions such as Cl-, SO42-, NH4+ in compression ring border, copper can corrode after Long Term Contact, so as on surface Generate corrosion product " verdigris ".

JQ6D housing parts adopt 316L stainless steel materials after improvement, and this material is a kind of ultralow austenitic stainless steel, close Spend for 7980kg/m3, because it has excellent mechanical performance, casting character and decay resistance, in recent years space flight, aviation, The fields such as weapons, ship, offshore oil obtain extensively application.

316L stainless steels have a good decay resistance, this kind of material my naval of company type product Y27, Y11D, Use on YM, Y17D, XC etc. are serial.Additionally, 316L stainless steels also have preferable tensile strength, relatively low yield point, Fabulous plasticity and toughness, higher hardness, can meet completely " three prevent " performance requirement of product to housing.

B) pin hole material is selected：

JQ6D product pin holes adopt beryllium-bronze material, this kind of material to have more preferable mechanical performance, electrical property, wearability Energy.This kind of material is commonly used on the series connectors such as my Products J599, Y11, J30J, Y27, YM, XC, J36.

3) it is surface-treated

A) stainless steel parts surface Passivation Treatment.

When stainless steel is acted on Oxidant, a kind of very thin, densification, covering performance can be generated in metal surface It is good, can firmly attached passivating film on the metal surface.This tunic mutually exists into independent, typically the chemical combination of oxygen and metal Thing.It is played metal and the completely separated effect of corrosive medium, metal and corrosive medium directly contact is prevented, so that metal Basic stopping dissolving forming passive state and reaches corrosion resistant effect.

Stainless Steel Shell adopts sandblasting, Passivation Treatment, improves the adhesion of surface lacquer and inner chamber encapsulating.

B) the gold-plated process of contact surfaces nickel plating.

In many metal materials, nickel is that the good material of accelerated oxidation Performance comparision is resisted in hot environment, nickel it is molten Point is about 2 times of copper, can carry out effective high temperature protection to plated conductor, and nickel coating has stronger tack and resistance to Mill property, is easy to the gold-plated process of sequent surface.Space flight professional standard QJ 450B-2005《Metal. plating layer thickness series is former with selection Then》It is gold-plated to contact also to have following requirement：" for non-proliferation and improve contact anti-wear performance, copper and copper alloy it is gold-plated before should Plating thickness is more than 1.2 μm of coating ".I employs the gold-plated surface treatment of nickel plating by the contact of company's whole type product Technique, its process is that, in one nickel preplating operation of gold-plated front increase, nickel layer thickness is controlled at 2~3 μm or so.Nickel dam is deposited , the porosity of coating can not only be reduced, improve corrosion resistance of coating, moreover it is possible to greatly improve the anti-wear performance of coating and effectively prevent The diffusive migration of coating and matrix.

4) Product Process

" three prevent " of technique is required and its process control is also highly important in product " three prevent " performance is improved.

A) mechanical processing technique

When having stainless steel parts processing below M3 screw threads (tapping) that strict antirust is required, do not allow to be lubricated using oleic acid.

B) surface treatment

The little jacks of JQ6 with deep hole leave the technique for being easy to liquid, gas to discharge at the position for not affecting to use before plating Hole.

C) process control requirements

Technique department carries out Processing examination signature to the corrosion control design requirement that design department proposes, confirms corrosion control The exploitativeness of measure.During production, processing, coating, heat treatment, assembling in product etc., on product " three may be affected It is anti-" characteristic, the structure of performance etc., propose to confirm, inspection and control to require.

In technological design, the product protection in transport process is specified, and configure protective equipment, " three prevent " protection must not be damaged Measure.

5) tackling problems in key technologies and key technical problem solve situation

A) plug casing inner chamber addition conductive seal pad, improves end face seal；

B) sealing nut is changed to the side of milling six by straight burr is rolled；

C) pad in pin is increased；

D) case material is changed to stainless steel by brass；

E) plug casing increases dropproof, impingement designed and solves the waterproof seal between cable hood.

Five aspects of the above improve the problems such as run into part processing, Product Assembly, test.JQ6D-102 core products are Type spectrum extension remodeling is carried out on the basis of approved product JQ6S-102 cores to form, and any important technical does not occur in the development stage Problem.

Other technological merits：

1) processing of housing part employs the vertical machining centre of precision, it is ensured that the precision of part, while being equipped with Test gauge, detection means is complete.

2) the mating side diameter of contact pin contacting piece takes 100% inspection, contact pin and jack to employ plating nickel on surface plating Gold is processed, and jack closing in power takes 100% inspection, and these measures improve the reliability contacted to contacting.

3) insulator polyphenylene thioether PPS injection mo(u)lding, environmental resistance is satisfied by use requirement with electrical property.

4) housing is 316L stainless steels, and surface carries out sandblasting passivation spray painting, makes housing reach salt spray resistance requirement.

Through above reliability design, it is ensured that the use reliability of product.

The nonmetallic materials that electric connector is adopted meet resistance to mould and require, metal material surface has been carried out at corresponding protection Reason, can meet salt spray resistance requirement；When product carries out type spectrum design and insulating material selection, humidity, Wen Chong etc. have been taken into full account Electrical property situation of change under ambient influnence, it is ensured that still satisfaction uses needs to indices under harsh environmental condition；Connect Contact element adopts the gold-plated process of nickel plating, can meet welding process requirement；Insulator adopts the design and processes such as mould plastic pressure forming, its Intensity can reach the index requests such as contact stationarity, insulated mounting plate stationarity.In addition to above performance, the overall knot of product Structure also ensures that product still has under the mechanical condition (vibration, impact etc.) and environmental condition (humidity, temperature shock etc.) of regulation There is excellent electric property.

Above example only to illustrate the technical solution of the utility model, rather than a limitation；Although with reference to aforementioned reality Apply example to be described in detail the utility model, it will be understood by those within the art that：It still can be to front State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these Modification is replaced, and does not make the spirit and model of each embodiment technical scheme of essence disengaging the utility model of appropriate technical solution Enclose.

Claims (6)

1. a kind of low-and high-frequency rectangular electric connector, including plug and socket, it is characterised in that：Including center bolt front pad, insert Head center bolt, center bolt sheath, plug screw sealing ring, plug screw, a word slotted cheese head screw, spring washer, plain washer, handwheel, Handwheel cushion block, handwheel pad, center bolt sealing ring, head cable hood, nut, sealing ring, packing ring, cable hood, cable clip, center Screw rod sheath sealing ring, connector dust cap, connector dust cap sealing ring and slotted cheese head screw；The plug includes plug group Part；It is provided with inside the plug-assembly between insulator, the jack and plug-assembly and head cable hood and is provided with O-ring and leads to Cross and be fixed with a word slotted cheese head screw, spring washer and plain washer, pass through between the plug-assembly and connector dust cap The plug core screw flight connection, the center bolt sheath and center bolt sheath sealing ring are arranged in plug The outside of heart screw rod, the nut is threaded connection and is provided with therebetween sealing ring, the sealing ring parcel with the cable hood In Exterior cable, cable clip and a word slotted cheese head screw, spring washer and plain washer clamping cables；The socket includes socket group Part.

2. low-and high-frequency rectangular electric connector according to claim 1, it is characterised in that：It is provided with inside the jack assemblies Insulator.

3. low-and high-frequency rectangular electric connector according to claim 1, it is characterised in that：It is additionally provided with the socket：Contact pin O-ring is provided with and the seat cable hood of jack assemblies, the contact pin and jack assemblies between and with a word slotted cheese head screw, bullet Pad, plain washer are fixed, and nut and cable hood are using threaded connection.

4. the low-and high-frequency rectangular electric connector according to claim 1 or 3, it is characterised in that：The socket is additionally provided with and is provided with Cable clip and a word slotted cheese head screw, spring washer, plain washer are used in clamping cables so as to fixed.

5. low-and high-frequency rectangular electric connector according to claim 1, it is characterised in that：The plug-assembly and connector dust Pass through the plug core screw flight between lid and connect and be provided with therebetween the connector dust cap sealing ring.

6. low-and high-frequency rectangular electric connector according to claim 1, it is characterised in that：The plug is plugged on socket.