CN205911521U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, includes socket and plug, still includes through pressing from both sides two the hollow disc s shape flange pieces of tight O shape sealing washer in order to realize vacuum seal and require, and one of them flange piece suit and full weld in the one end of piece -root grafting pipe, the outer socket installation hole edge along the full weld in vacuum cavity cabinet wall of the terminal surface of the other end of takeover, two along the annular groove suit beyond one to the centre gripping in the middle of the flange piece the central holding ring of O shape sealing washer, electric connector's socket with the center holding ring is as an organic whole, the serial conductive pin of socket seal by fusing in the centre position of center holding ring, electric connector through one with weld in flange piece outer fringe in the takeover has threaded connection's spiral cover to make two flange pieces right O shape sealing washer is implemented crowded clamp and is tightly reached the vacuum seal effect. Electric connector both can ensure that the vacuum cavity to the high vacuum degree requirement of its inner space, can carry out the inside and outside signal of telecommunication conduction of vacuum cavity again.

Description

A kind of electric connector

Technical field

This utility model includes the electricity of socket fixing end and plug free end as being related to a kind of with common electric connector Adapter, especially a kind of socket part incorporates the vacuum cavity that vacuum flange Sealing Technology is applied to vacuum is required Electric connector.

Background technology

Electric connector, is commonly called as aviation plug or abbreviation air plug, mainly includes inserting of hard-wired socket and connection cables Two parts, are mainly used in the work of connection between device and assembly, assembly and rack, system and subsystem and signal transmission With application is quite varied, is usually used in the every field such as Aero-Space, military equipment, automobile and industry, the main work of electric connector Be for be blocked or isolated different circuit between erect communication bridge it is ensured that electric current or signal transmission circulate, be that electronics sets Indispensable part in standby.Typically commercially available electric connector includes socket 1 fixing end and inserts one kind as shown in Figure 1 to Figure 3 2 free end two parts, described socket 1 rely on the flange of its peripheral band screw hole to be fastened on such as regulator cubicle etc is electrically On the hole of device outer wall, socket 1 and plug 2 have makes the male contact pin on socket 1 accurately right with the female jack on plug 2 Accurate key and keyway arrangements.Plug 2 is fastenedly connected with socket 1 using screw thread pair and is integrated by most of electrical cnnectors at present, As shown in Figure 1 to Figure 3, the front end sleeve 3 of the plug 2 of described commercially available electric connector has spiral shell in the equally distributed long-pitch in three roads Stricture of vagina, the terminal of long-pitch female thread described in three roads all has pin hole, and the socket 1 of described commercially available electric connector has and three roads Three raised pins 4 playing external screw thread effect of described long-pitch screw thread cooperation, described pin 4 and described long-pitch female thread There is between inwall the fraction of magnitude of interference, first plug 2 is aligned with keyway cooperation by the key between socket 1 during use and inserts On socket 1, then turnbarrel 3 makes its inwall Shang tri- road long-pitch female thread opening entangle three described pins 4, so Being further continued for afterwards screwing sleeve 3 makes the female jack that the male contact pin of socket 1 gos deep into plug 1 further guarantee reliably to electrically connect, Until described pin 4 reaches pin hole a little interference and female thread inwall between because of it of described long-pitch female thread terminal The pin in the hole going deep into sleeve is coordinated to realize the locking of the screw thread pair between described plug 2 and socket 1.

Above-mentioned this typical electric connector goes for most of common occasions, but has been not directly applicable height On the vacuum cavity cabinet wall of vacuum level requirements, even if because filling rubber is close between the peripheral flange of described socket 1 and cabinet wall Packing, as the regular screw threads pair between trip bolt and nut is not accomplished to fully seal and is destroyed true in vacuum cavity Reciprocal of duty cycle.At present the vacuum flange of the tubing having condition of high vacuum degree requirement commonly used cf, kf and iso three types is come real The docking of existing pipeline, the vacuum flange technology of these three types is highly developed at present, can meet including ultrahigh vacuum degree In interior various vacuum level requirements, therefore the mature technology of these three vacuum flanges can be applied to electric connector completely thus Produce the electric connector that can apply to vacuum cavity cabinet wall.

The something in common of the vacuum flange technology of these three types of cf, kf and iso is all in connecing by flange plate sealing welding The end face of pipe, then with bolt, clip or heavy caliber nut by two panels flange plate together with o shape rubber seal therein or copper Seal washer clamp, thus realize two adapter junctions fully seal it is ensured that in taking over condition of high vacuum degree requirement.Cf type is true The English name of empty flange is conflat flange, it is characterized in that employing can tolerate the metal static seal of high-temperature baking, generally Using anaerobic copper sealing washer, there is the sealing edge of a knife of projection the inner side of cf type vacuum flange, by extruding anaerobic copper sealing washer Make it deform the purpose to reach sealing, be widely used in the middle of ultra-high vacuum system.It should be noted that copper sealing washer Can be very poor using sealing effectiveness after once, if the system higher to vacuum level requirements, flange often dismantle once it is necessary to The seal washer more renewing.And because oxygen-free copper or other soft metal seal washers can occur not after by sealing edge of a knife extruding Reversible plastic deformation, tightens flange fishbolt very with impartial strength therefore in the clamping process to cf type vacuum flange Important, diagonal flange tilting will be made to lead to gas leakage if the rundown process of the fishbolt of flange periphery is firmly unequal. Additionally, cf type vacuum flange is to realize vacuum sealing effect with ring packing edge of a knife incision metal packing washer, make for a long time With the rear sealing edge of a knife can gradually rust, and also easily impaired by the hard thing collision rift sealing edge of a knife.Entitled " ultravacuum method Blue " CNS gb/t6071-2003 be exactly China with regard to the pattern of cf type vacuum flange, size and technical requirements Directive standard.Compared with cf type vacuum flange, kf type vacuum flange and iso type vacuum flange are characterised by that it adopts folder O shape rubber seal between two pieces of flange plates, to realize sealing, and generally to be realized to two using clip, heavy caliber nut The Quick-clamped of block flange plate and fast quick-detach.Difference between iso type vacuum flange and kf type vacuum flange i.e. iso type One aluminum turn of vacuum flange hoop periphery in o type rubber seal more than kf type vacuum flange, this aluminum The Main Function of turn is that the position of fixing o shape rubber seal guarantees the reliability of vacuum sealing effect.Entitled " vacuum technique Quick-release adapter size part 1: pinching " and the Chinese state of " vacuum technique quick-release adapter size part 2: tighten type " Family's standard gb/t4982-2003 and gb/t4983-2003 are exactly China with regard to the clip pinching of kf type vacuum flange and great Kou The directive standard of the size of footpath nut screwing clamping type is it is also possible to obtain kf type vacuum flange or even iso in the middle of this two parts of standards The pattern reference of type vacuum flange standard component, after all iso type vacuum compared with kf type vacuum flange namely many one in order to The aluminum turn of fixing described o shape rubber seal.

In sum it is contemplated that the contact pin of the socket fixing end of current electric connector is using glass or ceramic melt encapsulation technique It is packaged among socket and has been realized in fully sealing, so matching plug free end is no need for considering that vacuum will Ask, as long as the socket fixing end of electric connector is integrated with cf, kf or iso type vacuum flange being seal-installed on to true It is possible to using at present ripe vacuum flange technology and ready-made all on the cabinet wall of the vacuum cavity that reciprocal of duty cycle requires As the vacuum flange standard components such as anaerobic copper sealing washer, o shape sealing ring, centralized positioning ring to make electric connector can apply to With outside atmosphere isolating seal, the vacuum cavity that vacuum is required, both can ensure that vacuum will by internal for vacuum cavity Ask, and internal with the outside signal of telecommunication conduction of vacuum cavity can be carried out by the socket of electric connector.

Content of the invention

The technical problems to be solved in the utility model i.e. mentioned above existing ripe vacuum flange technology is answered For electric connector field, especially iso type vacuum flange Technology Integration and is made corresponding improvement and made in the middle of electric connector Can be by the convenient occasion that be directly applied to and vacuum is required, the such as cabinet wall of vacuum cavity.

A kind of electric connector that this utility model provides, as general electric connector, also includes socket and plug two Point, as described above, it different from general electric connector is technically characterized in that it incorporates the iso type vacuum of maturation at present Flange technology.

Specifically, a kind of electric connector that this utility model provides also is included by clamping an o shape sealing ring with reality Two hollow disc shape flange plates that existing vacuum sealing requires, one of flange plate is set with and full weld is in taking over End, the outer full weld of the end face of the other end of described adapter is in the socket mounting hole hole edge of vacuum cavity cabinet wall；Described in two panels A centralized positioning ring being set with described o shape sealing ring with outer annular groove, described o shape sealing ring is hold in the middle of flange plate Outer rim is set with an aluminum turn fixing its position, and the elastic force of described aluminum turn keeps described o shape sealing ring Lock ring is in the trend of described centralized positioning ring outer annular groove always；The socket of described electric connector and described centralized positioning ring It is integrated, the series of conductive contact pin sealing by fusing of described socket is in the centre position of described centralized positioning ring；Described suit full weld The outer rim of the flange plate on described adapter has external screw thread, is formed with the female thread of a hollow spiral cover and threadeds；Institute Stating the hollow space of hollow spiral cover makes it be able to not hinder grafting with plug and fasten so that described socket fully exposes, described hollow The outer rim inwall compressing of spiral cover hollow space not have to be set with and full weld in the exterior side wall of flange plate taken over and then makes two panels institute State flange plate described o shape sealing ring to be implemented with crowded clamping to reach vacuum sealing effect.

As described above, the CNS with reference to entitled " vacuum technique quick-release adapter size part 1: pinching " Gb/t4982-2003, a kind of electric connector that this utility model provides, with traditional kf type or even iso type vacuum flange technology Scheme is the same, is also by two panels flange plate, that is, gb/t4982-2003 when described in " adapter " clamping o shape sealing ring come Realize vacuum-packed.Described adapter is fastened on vacuum cavity cabinet wall and two panels method in the way of the full weld of end face outer Simultaneously full weld is just present to ensure that, in one end of adapter, the electrical connection that this utility model provides to a piece of flange plate suit in the middle of blue piece The installation position of device is unlikely to gas leakage and affects the vacuum in vacuum cavity.This utility model cleverly utilizes kf type and iso Centralized positioning ring in the middle of type vacuum flange technical scheme, namely gb/t4982-2003 when described in " support " hollow shape Shape, the socket of typical electrical connector is integrated into the central hollow position of described centralized positioning ring, because current electric connector is inserted The contact pin of seat is all to be fastened in the middle of socket by glass or ceramic melt encapsulation technique, in view of glass or ceramic melt encapsulation technique Good sealing property, therefore need not worry the centralized positioning ring sealing property of itself incorporating socket.Additionally, this practicality is new Type employs the CNS gb/t4983-2003 of entitled " vacuum technique quick-release adapter size part 2: tighten type " The b.1 shown heavy caliber nut of the figure of annex b, namely the spiral cover in the middle of this utility model is in that context it may be convenient to realize to two panels method Blue piece and o shape sealing ring therebetween carry out the seal operation of crowded clamping, and also allow for disassembling, and only need to unscrew described spiral cover and be Can.

Plug due to electric connector needs when carrying out grafting operation to avoid socket that unnecessary rotation occurs with socket, For this reason, compared to traditional kf type and iso type vacuum flange technical scheme, going back in the middle of the electric connector that this utility model provides There is the function of can preventing described socket from rotating.Specifically, end outside towards described vacuum cavity for the described adapter Face has at least one axial opening keyway, and described suit full weld are in the flange plate of described adapter and described adapter inner sleeve Equipped with a plastic sleeve, all contact pins of described socket are located within described plastic sleeve；Described plastic sleeve has and it The bond structure of the described opening keyway of insertion itself being integrated, end face tool outside towards described vacuum cavity for the described plastic sleeve Have the pin feature that at least one itself is integrated with described plastic sleeve, described pin insert described centralized positioning ring with described In the middle of corresponding pin hole on plastic sleeve contact surface.Because described adapter is that secure weld cannot on vacuum cavity cabinet wall Rotation, described plastic sleeve is with described plastic sheath after the key-way shape bonding of the key described adapter of insertion thereon and keyway cooperation Cylinder cannot rotate, and the pin between described plastic sleeve and the centralized positioning ring incorporating socket is coordinated with pin hole Then the plastic sleeve by being secured by described adapter is fixed the circumferential orientation of centralized positioning ring so as to can not occur further Rotation.Key between described plastic sleeve and adapter not only can realize the rotation stopping function of described plastic sleeve with keyway cooperation, The depth of described keyway can also play the axial limiting effect to described plastic sleeve.Described plastic sleeve is why using moulding Material isolation material be in order to by the flange plate of the conductive pin of described socket and metal material, adapter or even vacuum cavity cabinet wall every Open, it is to avoid contact pin and the holding wire forming electrical connection therewith are stripped part and described flange plate, the adapter of insulation sheath With the touching of vacuum cavity cabinet wall.

As a kind of technical scheme of optimization, in order to continue kf type vacuum flange technical side in the middle of this utility model Case can tolerate the property of high temperature, described o shape sealing ring using can resistant to elevated temperatures resilient fluoro-elastomer material, described plastic sleeve is also Using high temperature resistant and mechanical strength the politef material of quality of rubber materials can be better than.As another kind of technical scheme optimizing, The outer rim of the described spiral cover in the middle of this utility model has the circle being easy to that staff grips the annular knurl that screws of concurrent power or axial notch All arrays.

As a kind of technical scheme optimizing further, in order to reach a sexual valence between processing cost and using effect The relatively good balance of ratio, the quantity of the axially open keyway that end face outside towards described vacuum cavity for the described adapter has is One.Because a pair of keys can achieve circumference rotation stop with keyway cooperation, and the width of key and keyway can slightly micro-machined width Larger it is allowed to possess larger rotation stop dynamics；End face outside towards described vacuum cavity for the described plastic sleeve have with institute The quantity stating the pin that plastic sleeve itself is integrated is three, and three described pins are equal around the axial line of described plastic sleeve Even distribution.It is why in view of the wall thickness of plastic sleeve is typically little using multiple pins and pin hole cooperation, and plastic material Mechanical strength properties not high, typically cannot compare favourably with steel part.The technical scheme being provided using this utility model, in processing Bench drill only need to be used during the centralized positioning ring that socket only with one keyway of milling machine milling, need to be incorporated during described adapter described in processing Or bore three pin holes during the work in-process heart described centralized positioning ring of processing more, and plastic sleeve is simple due to geometry Only need injection molded of injection machine, thus the related components of the technical solution of the utility model manufacture operation letter Folk prescription is just, with low cost.

As described above, the electric connector that this utility model provides incorporates the technology of iso type vacuum flange, and make electrical connection The socket of device is integrated with centralized positioning cyclization, and the beneficial effect that therefore this utility model can obtain is it will be apparent that utilizing The respective standard part of ripe iso type vacuum flange technology and o shape sealing ring etc. can make this practicality new at present The electric connector that type provides can facilitate the occasion of the such as vacuum cavity outer wall being directly applied to vacuum is required, both May insure that vacuum cavity requires to the condition of high vacuum degree of its inner space, the electric connector that again can provide by this utility model Carry out the signal of telecommunication conduction inside and outside vacuum cavity.

Brief description

The monnolithic case schematic diagram of Fig. 1: conventional electrical adapter separates schematic diagram with plugs and sockets；

The monnolithic case schematic diagram of the conventional electrical adapter at Fig. 2: another visual angle separates schematic diagram with plugs and sockets；

The longitudinally cutting schematic diagram by axial line of Fig. 3: conventional electrical adapter；

The profile of Fig. 4: first embodiment and parts tentatively disassemble schematic diagram step by step；

Two visual angles of the parts of Fig. 5: first embodiment disassemble schematic diagram further；

Two visual angles of the parts of Fig. 6: first embodiment disassemble schematic diagram completely；

The cut-away illustration by axial line of Fig. 7: first embodiment；

The schematic appearance of Fig. 8: first embodiment；

[reference]

1: socket；2: plug；3: sleeve；4: pin；5: vacuum cavity cabinet wall；6: adapter；7: centralized positioning ring；8: flange Piece；9: socket；10:o shape sealing ring；101: aluminum turn；11: plastic sleeve；12: spiral cover；13: key；14: keyway；15: pin Nail.

Specific embodiment

With reference to a specific embodiment, this utility model is further described in detail.

[first embodiment]

A kind of one exemplary embodiments of electric connector that this utility model provides, as general electric connector, also wrap Include socket and plug two parts, its technical characteristic different from general electric connector is that it incorporates current maturation Iso type vacuum flange technology.As previously mentioned it is contemplated that the contact pin of the socket fixing end of current electric connector is using glass or pottery Porcelain sealing by fusing technology is packaged among socket and has been realized in fully sealing, so matching plug free end is no need for considering Vacuum level requirements, as long as the socket fixing end of electric connector is integrated with iso type vacuum flange be seal-installed on to true It is possible to using at present ripe vacuum flange technology and ready-made all on the cabinet wall of the vacuum cavity that reciprocal of duty cycle requires The vacuum flange standard components such as the o shape sealing ring as fluorubber material to make electric connector can apply to vacuum is required Vacuum cavity.That is only need to guarantee that the part of socket and plug grafting exposes, with reference to Fig. 8 and Fig. 4 and Fig. 7, Because the external screw thread that contact pin and its of the socket of the electric connector of this utility model offer are fastenedly connected and plug between all exposes, Without the slightest difference with common socket, so user can carry out normal grafting using common plug with it completely.In order to highlight Key technical feature of the present utility model, all omits in the middle of all accompanying drawings of the present utility model and shows inserting of electric connector Head.

Specifically, as shown in Fig. 4 to Fig. 8, a kind of exemplary embodiments of electric connector that this utility model provides Also include realizing two hollow disc shape flange plates 8 of vacuum sealing requirement by clamping an o shape sealing ring 10, wherein one Individual flange plate 8 is set with and full weld is in one end of an adapter 6, and the outer full weld of the end face of the other end of described adapter 6 is in vacuum The socket mounting hole hole edge of cavity cabinet wall 5；Hold one in the middle of flange plate 8 described in two panels and institute is set with outer annular groove State the centralized positioning ring 7 of o shape sealing ring 10, described o shape sealing ring 10 outer rim is set with an aluminum spring fixing its position Circle 101, the elastic force of described aluminum turn 101 keep by described 0 shape sealing ring 10 always lock ring outside described centralized positioning ring 7 Trend along annular groove；The socket 9 of described electric connector is integrated with described centralized positioning ring 7, and the series of described socket 9 is led Electric mortiser pin sealing by fusing is in the centre position of described centralized positioning ring 7；Described suit flange plate on described adapter 6 for the full weld 8 outer rim has external screw thread, is formed with the female thread of a hollow spiral cover 12 and threadeds；The hollow bulb of described hollow spiral cover 12 Point described socket 9 fully being exposed makes it be able to not hinder grafting with plug and fasten, described hollow spiral cover 12 hollow space The compressing of outer rim inwall not have to be set with and the exterior side wall of the flange plate 8 in adapter 6 for the full weld and then make flange plate 8 described in two panels to institute State o shape sealing ring 10 to implement crowded clamping to reach vacuum sealing effect.

As described above, with reference to gb/t4982-2003 and gb/t4983-2003, a kind of electrical connection that this utility model provides Device, as kf type and iso type vacuum flange technical scheme, is also by two panels flange plate, that is, gb/t4982-2003 and Gb/t4983-2003 when described in " adapter " clamping o shape sealing ring vacuum-packed to realize.Described adapter 6 is with end face The a piece of flange plate 8 that the mode of outer full weld is fastened on vacuum cavity cabinet wall 5 and in the middle of two panels flange plate 8 is set with simultaneously Full weld is unlikely to gas leakage and shadow in the installation position that one end of adapter 6 is just present to ensure that electric connector that this utility model provides Ring the vacuum in vacuum cavity.As shown in fig. 7, simultaneously with reference to Fig. 4 to Fig. 6, in the present embodiment, for the ease of institute will be set in State that flange plate 8 full weld in adapter 6 on described adapter 6, the outer wall of described adapter 6 is had and is integrated just with its own In docking and carry out the collar structure of circumference full weld with described flange plate 8 end face.This utility model cleverly utilizes kf type and iso Centralized positioning ring 7 in the middle of type vacuum flange technical scheme, namely gb/t4982-2003 and gb/t4983-2003 when described in " support " hollow shape, the socket 9 of typical electrical connector is integrated into the central hollow position of described centralized positioning ring 7, Because the contact pin of current electric connector socket is all to be fastened in the middle of socket by glass or ceramic melt encapsulation technique, in view of Glass or the good sealing property of ceramic melt encapsulation technique, therefore need not worry the close of the centralized positioning ring 7 incorporating socket 9 itself Sealing property.Additionally, this utility model employs the China of entitled " vacuum technique quick-release adapter size part 2: tighten type " The b.1 shown heavy caliber nut of the figure of national standard gb/t4983-2003 annex b, in the present embodiment it is simply that spiral cover 12, can Easily to realize two panels flange plate and o shape sealing ring therebetween are carried out with the seal operation of crowded clamping, and also allow for tearing open Solution, only need to unscrew described spiral cover 12.

Plug due to electric connector needs when carrying out grafting operation to avoid socket that unnecessary rotation occurs with socket, For this reason, compared to traditional kf type and iso type vacuum flange technical scheme, going back in the middle of the electric connector that this utility model provides There is the function of can preventing described socket from rotating.Specifically, as shown in Figures 5 to 7, and with reference to Fig. 4, described adapter 6 end faces outside towards described vacuum cavity have at least one axial opening keyway 14, described suit full weld is in described In the flange plate 8 of adapter 6 and described adapter, 6 are set with a plastic sleeve 11, and all contact pins of described socket 9 are positioned at described Within plastic sleeve 11；The key 13 that described plastic sleeve 11 has the described opening keyway 14 of insertion being integrated with its own is tied Structure, end face outside towards described vacuum cavity for the described plastic sleeve 11 have at least one with described plastic sleeve 11 from as Pin 15 structure of one, described pin 15 insert described centralized positioning ring 7 with corresponding on described plastic sleeve 11 contact surface In the middle of pin hole.Because described adapter 6 is that secure weld cannot rotate on vacuum cavity cabinet wall 5, described plastic sleeve 11 keyways 14 inserting described adapter 6 with key 13 thereon form described plastic sleeve 11 after key is coordinated with keyway and cannot send out Raw rotation, and the pin between described plastic sleeve 11 and the centralized positioning ring 9 incorporating socket 9 is then passed through with pin hole cooperation The plastic sleeve 11 being secured by described adapter 6 is fixed the circumferential orientation of centralized positioning ring 7 so as to can not occur further Rotation.Key between described plastic sleeve 11 and adapter 6 not only can realize the rotation stop of described plastic sleeve 11 with keyway cooperation Function, the depth of described keyway 14 can also play the axial limiting effect to described plastic sleeve 11.Described plastic sleeve 11 Why it is to be with the flange plate 8 of metal material, adapter 6 by the conductive pin of described socket 9 using plastic insulation material Separate to vacuum cavity cabinet wall 5, it is to avoid contact pin and the holding wire forming electrical connection therewith are stripped the part of insulation sheath Touch with described flange plate 8, adapter 6 and vacuum cavity cabinet wall 5.

As a kind of technical scheme of optimization, in order to continue kf type and iso type vacuum method in the middle of this utility model Blue technical scheme can tolerate the property of high temperature, described o shape sealing ring using can resistant to elevated temperatures resilient fluoro-elastomer material, described mould Material sleeve is also using high temperature resistant and mechanical strength being better than the politef material of quality of rubber materials.As another kind of skill optimizing Art scheme, the outer rim of the described spiral cover 12 in the middle of this utility model has annular knurl or the axial direction being easy to that staff gripping concurrent power screws The circumference array of groove.

As a kind of technical scheme optimizing further, in order to reach a sexual valence between processing cost and using effect The relatively good balance of ratio, as shown in Figures 4 to 6, the axial direction that end face outside towards described vacuum cavity for the described adapter 6 has The quantity of opening keyway 14 is one.Because a pair of keys can achieve circumference rotation stop with keyway cooperation, and the width of key and keyway Degree slightly micro-machined more roomy can be allowed to possess larger rotation stop dynamics；Described plastic sleeve 11 is towards described vacuum cavity The quantity of the pin 15 itself being integrated with described plastic sleeve 11 that outside end face has is three, three described pins 15 Axial line around described plastic sleeve 11 is uniformly distributed.It is why in view of plastic sheath with pin hole cooperation using multiple pins The wall thickness of cylinder 11 is typically little, and the mechanical strength properties of plastic material are not high, typically cannot compare favourably with steel part.Using this reality With the technical scheme of new offer, only socket need to be incorporated described in processing with one keyway of milling machine milling when processing described adapter 6 Boring three pin holes only need to use during 9 centralized positioning ring 7 when bench drill or the work in-process heart described centralized positioning ring 7 of processing more , and plastic sleeve 11 simply only needs injection molded of injection machine due to geometry, thus of the present utility model The related components manufacturing operation of technical scheme is simple and convenient, with low cost.

Above specific embodiment, not in order to limit this creation, is done within all spirit created at this and principle Any modification, equivalent substitution and improvement etc., should be included within the protection domain of this creation.

Claims (4)

1. a kind of electric connector, including socket (1；9) and plug (2) it is characterised in that:

Described electric connector also includes realizing two hollow circles of vacuum sealing requirement by clamping an o shape sealing ring (10) Disc shaped flange piece (8), one of flange plate (8) suit full weld in one end of an adapter (6), described adapter (6) another The outer full weld of the end face of one end is in the socket mounting hole hole edge of vacuum cavity cabinet wall (5)；In the middle of flange plate described in two panels (8) Hold a centralized positioning ring (7) being set with described o shape sealing ring (10) with outer annular groove, described o shape sealing ring (10) outer rim is set with an aluminum turn (101) fixing its position, and the elastic force of described aluminum turn (101) keeps will Described o shape sealing ring (10) always lock ring in the trend of described centralized positioning ring (7) outer annular groove；Described electric connector Socket (9) is integrated with described centralized positioning ring (7), and the series of conductive contact pin sealing by fusing of described socket (9) is in described centralized positioning The centre position of ring (7)；The outer rim of described suit flange plate (8) on described adapter (6) for the full weld has external screw thread, Formed with the female thread of a hollow spiral cover (12) and threaded；The hollow space of described hollow spiral cover (12) makes described socket (9) fully exposing makes it be able to not hinder grafting with plug and fasten, the peripheral rim portion pressure of described hollow spiral cover (12) hollow space Compel not have to be set with and full weld in the exterior side wall of flange plate (8) taking over (6) and then makes flange plate described in two panels (8) to described o Shape sealing ring (10) is implemented crowded clamping to reach vacuum sealing effect；Described adapter (6) is towards outside described vacuum cavity End face has at least one axial opening keyway (14), described suit full weld in described adapter (6) flange plate (8) and It is set with a plastic sleeve (11), all contact pins of described socket (9) are located at described plastic sleeve (11) in described adapter (6) Within；Described plastic sleeve (11) has key (13) structure of the insertion being integrated with its own described opening keyway (14), institute State end face outside towards described vacuum cavity for the plastic sleeve (11) have at least one with described plastic sleeve (11) from as Pin (15) structure of one, described pin (15) inserts described centralized positioning ring (7) and described plastic sleeve (11) contact surface On corresponding pin hole in the middle of.

2. a kind of electric connector according to claim 1 it is characterised in that:

Described o shape sealing ring (10) is fluorubber material, and described plastic sleeve (11) is politef material.

3. a kind of electric connector according to claim 1 it is characterised in that:

The outer rim of described spiral cover (12) has the circumference array being easy to that staff grips the annular knurl that screws of concurrent power or axial notch.

4. a kind of electric connector according to claim 1 to claim 3 any one of is worked as it is characterised in that:

The quantity of the axially open keyway (14) that end face outside towards described vacuum cavity for the described adapter (6) has is one； What end face outside towards described vacuum cavity for the described plastic sleeve (11) had itself is integrated with described plastic sleeve (11) The quantity of pin (15) be three, three described pins (15) are uniformly distributed around the axial line of described plastic sleeve (11).