CN206041073U - 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 mounting hole 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, two the flange piece between through the inner wall of respective outside lateral wall and a clamp slide wedge mechanism of formation 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 is related to a kind of electricity for including socket fixing end and plug free end as common electric connector Adapter, especially a kind of socket part incorporate the vacuum cavity that vacuum flange Sealing Technology is applied to require vacuum Electric connector.

Background technology

Electric connector, is commonly called as aviation plug or abbreviation air plug, mainly inserting including hard-wired socket and connection cables Two parts, the connection being mainly used between device and component, component and rack, system and subsystem and the work of signal transmission With using quite varied, being usually used in the every field such as Aero-Space, military equipment, automobile and industry, the main work of electric connector Communication bridge is erected with being between the different circuits that are blocked or isolate, it is ensured that electric current or signal transmission circulation, are that electronics sets Indispensable part in standby.A kind of typical commercially available electric connector as shown in Figure 1 to Figure 3 includes 1 fixing end of socket and inserts 2 free end two parts, the socket 1 are fastened on such as by the flange of its peripheral band screw hole that 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 the 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 have pin hole, on the socket 1 of the commercially available electric connector with three roads What the long-pitch screw thread coordinated plays three raised pins 4 of external screw thread effect, the pin 4 and the long-pitch female thread There is between inwall the fraction of magnitude of interference, first plug 2 is inserted by coordinating to be aligned with the key between socket 1 and keyway during use On socket 1, then turnbarrel 3 makes tri- road long-pitch female thread openings of its inwall Shang entangle three pins 4, so Being further continued for screwing sleeve 3 afterwards makes the female jack that the male contact pin of socket 1 further gos deep into plug 1 guarantee reliable electrical connection, Until the pin 4 reaches the pin hole of the long-pitch female thread terminal and because of its a little interference between female thread inwall Cooperation is goed deep into realizing the locking of the screw thread pair between the plug 2 and socket 1 in the pin hole of sleeve.

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 close because clogging rubber between the peripheral flange of the socket 1 and cabinet wall Packing, as the regular screw threads pair between trip bolt and nut do not accomplish to fully seal and destroy in vacuum cavity it is true Reciprocal of duty cycle.At present for the tubing for having condition of high vacuum degree requirement is generally using the vacuum flange of CF, KF and ISO three types come real The docking of existing pipeline, the vacuum flange technology of these three types are highly developed at present, can meet including ultrahigh vacuum degree In interior various vacuum level requirements, thus completely can by the mature technology of these three vacuum flanges be applied to electric connector so as to Produce the electric connector that can apply to vacuum cavity cabinet wall.

The something in common of the vacuum flange technology of CF, KF and ISO these three types 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 shapes rubber seal therein or copper Seal washer is clamped, so as to realize fully sealing for two adapter junctions, it is ensured that the requirement of condition of high vacuum degree in adapter.CF types are 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, on the inside of CF type vacuum flanges, there is the sealing edge of a knife of projection, by extruding anaerobic copper sealing washer Make which deform purpose to reach sealing, be widely used in the middle of ultra-high vacuum system.It should be noted that copper sealing washer Using once sealing effectiveness can be very poor later, if the system higher to vacuum level requirements, flange is often dismantled once, it is necessary to The seal washer for more renewing.And as oxygen-free copper or other soft metal seal washers can occur not after by sealing edge of a knife extruding Reversible plastic deformation, therefore flange fishbolt is tightened very with impartial strength in the clamping process to CF type vacuum flanges It is important, diagonal flange tilting will be made to cause gas leakage if the rundown process of the fishbolt of flange periphery is firmly unequal. Additionally, CF type vacuum flanges are to cut metal packing washer to realize vacuum sealing effect with the ring packing edge of a knife, make for a long time With the rear sealing edge of a knife can gradually rust, and be also easily damaged by the hard thing collision rift sealing edge of a knife.Entitled " ultravacuum method It is blue " CNS GB/T6071-2003 be exactly China with regard to the pattern of CF type vacuum flanges, size and technical requirements Directive standard.Compared with CF type vacuum flanges, KF types vacuum flange and ISO type vacuum flanges are characterised by which adopts folder O shapes rubber seal between two pieces of flange plates realizing sealing, and generally using clip, heavy caliber nut realizing to two The Quick-clamped of block flange plate and fast quick-detach.Difference i.e. ISO types between ISO types vacuum flange and KF type vacuum flanges Vacuum flange more than KF type vacuum flanges a hoop in an aluminum spring outer ring of the periphery of O-shaped rubber seal, the aluminum The Main Function of spring outer ring processed namely fixes the position of O shape rubber seal.Entitled " vacuum technique quick-release adapter Size part 1：Pinching " and " vacuum technique quick-release adapter size part 2：Tighten type " CNS GB/ T4982-2003 and GB/T4983-2003 are exactly clip pinching and heavy caliber nut screwing clamping of the China with regard to KF type vacuum flanges The directive standard of the size of type, it is also possible to obtain the pattern reference of KF type vacuum flange standard components from the middle of this two parts of standards.

In sum, it is contemplated that the contact pin of the socket fixing end of electric connector is using glass or ceramic melt encapsulation technique at present Have been realized in fully sealing among being packaged in socket, so matching plug free end need not just consider 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 On the cabinet wall of the vacuum cavity that reciprocal of duty cycle is required, it is possible to using at present ripe vacuum flange technology and ready-made all The such as vacuum flange standard component such as anaerobic copper sealing washer, O-ring seals, centralized positioning ring is causing electric connector can apply to With outside atmosphere isolating seal, the vacuum cavity required to vacuum, both can will ensure that vacuum will inside vacuum cavity Ask, and can carry out conducting with the outside signal of telecommunication inside vacuum cavity by the socket of electric connector.

The content of the invention

The technical problems to be solved in the utility model i.e. the vacuum flange technology by existing maturation mentioned above should For electric connector field, especially by KF type vacuum flange Technology Integrations are in the middle of electric connector and make corresponding improvement and be allowed to Can be by the convenient occasion that be directly applied to and be required to vacuum, for example cabinet wall of vacuum cavity.

A kind of electric connector that this utility model is provided, as general electric connector, also including socket and plug two Point, as described above, which different from general electric connector is technically characterized in which incorporates KF type vacuum ripe at present Flange technology.

Specifically, a kind of electric connector that this utility model is provided also is included by clamping O-ring seals with reality Two hollow disc shape flange plates that existing vacuum sealing is required, one of flange plate are set with simultaneously full weld in an adapter one End, the outer full weld of the end face of the other end of the adapter is in the socket mounting hole hole edge of vacuum cavity cabinet wall；Described in two panels A centralized positioning ring for being set with the O-ring seals with outer annular groove is hold in the middle of flange plate；The electric connector Socket be integrated with the centralized positioning ring, the series of conductive contact pin sealing by fusing of the socket is in the center of the centralized positioning ring Centre position；The Wedge mechanism that flange plate described in two panels is formed between the inwall by respective exterior side wall and a clip is to institute State O-ring seals to implement crowded clamping to reach vacuum sealing effect.

As described above, referring to GB/T4982-2003, a kind of electric connector that this utility model is provided, with KF type vacuum methodes Blue technical scheme is the same, and it is close to clamp O shapes by " adapter " of two panels flange plate, i.e. GB/T4982-2003 described in Seal is vacuum-packed to realize.It is described adapter be fastened in the way of the full weld of end face outer on vacuum cavity cabinet wall and A piece of flange plate suit full weld in the middle of two panels flange plate is in one end of adapter in order to ensure this utility model is provided The installation position of electric connector is unlikely to gas leakage and affects the vacuum in vacuum cavity.This utility model cleverly utilizes KF types Centralized positioning ring in the middle of vacuum flange technical scheme, namely the hollow shape of " support " of the GB/T4982-2003 described in The socket of typical electrical connector is integrated into the central hollow position of the centralized positioning ring by shape, as current electric connector is inserted The contact pin of seat is 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 the centralized positioning ring sealing property of of socket itself is incorporated without the need for worry.Additionally, this practicality is new Type has continued to use the clip shown in the appendix A of GB/T4982-2003, in that context it may be convenient to realized to two panels flange plate using Wedge mechanism O-ring seals therebetween carry out the seal operation of crowded clamping, and also allow for disassembling, and need to only unscrew the wing nut of clip Lower catch hoop can easily be unloaded.

As the plug of electric connector needs to avoid socket that unnecessary rotation occurs when grafting operation is carried out with socket, For this purpose, compared to KF type vacuum flange technical schemes, also having in the middle of the electric connector that this utility model is provided to prevent The function that the socket is rotated.Specifically, the adapter has at least one towards the end face outside the vacuum cavity Individual axial opening keyway, the suit full weld are set with plastics in the flange plate of the adapter and the adapter Sleeve, all contact pins of the socket are located within the plastic sleeve；The plastic sleeve is with being integrated with its own Insertion it is described opening keyway bond structure, the plastic sleeve towards the end face outside the vacuum cavity with least one with The pin feature that the plastic sleeve is integrated itself, the pin are inserted the centralized positioning ring and are contacted with the plastic sleeve In the middle of corresponding pin hole on face.It is as the adapter is that secure weld cannot be rotated on vacuum cavity cabinet wall, described After plastic sleeve is coordinated with keyway with the key-way shape bonding that key thereon inserts the adapter, the plastic sleeve cannot be sent out Raw rotation, and the plastic sleeve and incorporate socket centralized positioning ring between pin coordinate then by by institute with pin hole State the plastic sleeve that secures of adapter further to fix the circumferential orientation of centralized positioning ring so as to can not rotate.It is described Key between plastic sleeve and adapter coordinates the rotation stopping function that not only can realize the plastic sleeve with keyway, the keyway Depth can also play the axial limiting to the plastic sleeve and act on.Why the plastic sleeve adopts plastic insulation material It is in order to the flange plate of the conductive pin of the socket and metal material, adapter or even vacuum cavity cabinet wall are separated, it is to avoid insert Pin and the holding wire of electrical connection is formed therewith be stripped part and the flange plate, adapter and the vacuum cavity of insulation sheath Cabinet wall is touched.

In view of the O-ring seals will the flange plate described in two panels it is permanent it is crowded clamp until lose elasticity and lose Effect, this utility model also take the measure for being conducive to the O-ring seals to keep which elastic.Specifically, it is true with common The inner surface of the crowded O-ring seals of empty flange plate is two parallel plane differences, method described in the two panels in the middle of this utility model The crowded inner wall surface for clamping the O-ring seals of blue piece is internal outwardly annular tapered surface, so then two panels flange Between piece, the both sides inwall of crowded O-ring seals defines two gradually increased towards flange plate outer rim equivalent to opening tiltedly Face, O-ring seals have elasticity with the trend opened to flange plate outer rim because of which, what such O-ring seals periphery was extruded Degree can extend its tool resilient life-span less than the degree being extruded inside which.When vacuum cavity is operated in vacuum state, As outside atmospheric pressure is higher than the air pressure inside vacuum cavity, the O-ring seals can naturally by deeper into clamp-on two The central authorities in space between piece flange plate, in other words, that is, O-ring seals can be taken advantage of a situation to shrink and be realized that vacuum cavity does not have than usual Higher sealing effectiveness when having work.And when vacuum cavity is not on the working condition of condition of high vacuum degree, the O-ring seals Will somewhat magnify, and reduce amount of elastic deformation, so as to extend its service life；Additionally, flange plate inwall described in two panels The part on the outside of the O-ring seals is located on surface all respectively there is one annular flange flange, be set with annular flange flange described in twice There is a ring-shaped rubber band, the ring-shaped rubber band itself is close except the O-ring seals can be assisted to reach vacuum Outside envelope effect, it is also possible to will be one piece of outside flange plate or even centralized positioning ring described in two panels between flange plate and O shapes close Seal is anchored on the adapter temporarily, is easy to subsequently carry out the crowded clamping to flange plate described in two panels using clip Tightening operation.Certainly, the annular flange flange can not be too high, it is impossible to hinders flange plate described in two panels to be farthest close to, reference GB/T4982-2003, it is exactly that two panels flange plate clamps the centralized positioning that flange plate described in two panels is farthest close to the limit The degree of closeness that the corresponding end-faces of the internal end surface of the groove of ring and the centralized positioning ring are reached when offseting.Note in GB/ Centralized positioning ring described in T4982-2003 is referred to as " support ", and the flange plate is referred to as " adapter ".

As a kind of technical scheme of optimization, in order to continue KF type vacuum flange technical sides in the middle of this utility model Case can tolerate the property of high temperature, the O-ring seals using can resistant to elevated temperatures resilient fluoro-elastomer material, the plastic sleeve is also Using can high temperature resistant and mechanical strength be better than the politef material of quality of rubber materials.

As a kind of technical scheme for further optimizing, in order to reach a sexual valence between processing cost and using effect The quantity of the axially open keyway having towards the end face outside the vacuum cavity than relatively good balance, the adapter is One.Because a pair of keys is coordinated with keyway and be capable of achieving circumference rotation stop, and the width of key and keyway can slightly micro-machined width It is larger to be allowed to possess larger rotation stop dynamics；The plastic sleeve have towards the end face outside the vacuum cavity with institute The quantity for stating the pin that plastic sleeve itself is integrated is three, and three pins are equal around the axial line of the plastic sleeve Even distribution.It is and the plastic material in view of the wall thickness of plastic sleeve is typically little why to be coordinated using multiple pins and pin hole Mechanical strength properties it is not high, typically cannot compare favourably with steel part.The technical scheme provided using this utility model, in processing institute When stating adapter only need to one keyway of milling machine milling, process it is described need to only use when incorporating the centralized positioning ring of socket bench drill or Bore three pin holes more when the work in-process heart processes the centralized positioning ring, and plastic sleeve is simple only due to geometry Injection molded of injection machine is needed, thus the related components manufacturing operation of the technical solution of the utility model is simple It is convenient, it is with low cost.

As described above, the electric connector that this utility model is provided incorporates the technology of KF type vacuum flanges, and make electrical connection The socket of device is integrated with centralized positioning cyclization, therefore the beneficial effect that this utility model can be obtained is it will be apparent that utilizing The respective standard part of ripe KF type vacuum flange technologies and O-ring seals etc. can make this utility model at present The electric connector of offer conveniently can directly be applied to the occasion of the such as vacuum cavity outer wall required to vacuum, both may be used To guarantee condition of high vacuum degree requirement of the vacuum cavity to its inner space, the electric connector that can be provided by this utility model again is entered Signal of telecommunication conduction inside and outside row vacuum cavity.

Description of the drawings

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

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

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

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

Fig. 5：The parts of first embodiment further disassemble schematic diagram；

Fig. 6：Schematic diagram is disassembled at two visual angles of parts of first embodiment completely；

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

Fig. 8：The profile of second embodiment tentatively disassembles schematic diagram step by step with parts；

Fig. 9：The cut-away illustration by axial line of second embodiment；

Figure 10：The schematic appearance of second 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-ring seals；11：Plastic sleeve；12：Clip；13：Key；14：Keyway；15：Pin；16：Rubber seal Band；17：Flange.

Specific embodiment

This utility model is further described in detail with reference to two specific embodiments.

A kind of two exemplary embodiments of electric connector that this utility model is provided, as general electric connector, also wrap Socket and plug two parts are included, its technical characteristic different from general electric connector is which incorporates current maturation KF type vacuum flange technologies.As previously mentioned, it is contemplated that the contact pin of the socket fixing end of electric connector is using glass or pottery at present Porcelain sealing by fusing technology has been realized in fully sealing among being packaged in socket, so matching plug free end is just without the need for considering Vacuum level requirements, as long as the socket fixing end of electric connector and KF type vacuum flanges are integrated be seal-installed on to vacuum On the cabinet wall of vacuum cavity that degree is required, it is possible to using ripe at present vacuum flange technology and it is ready-made such as The vacuum flange such as O-ring seals of fluorubber material standard component can apply to what vacuum was required causing electric connector Vacuum cavity.That is need to only guarantee that the part of socket and plug grafting is exposed, with reference to Fig. 4, Fig. 7 and Fig. 8 to figure 10, the contact pin and its external screw thread for being fastenedly connected between plug of the socket of the electric connector provided due to this utility model is outer Dew, it is without the slightest difference with common socket, so user can carry out normal grafting using common plug with which completely.In order to prominent Show key technical feature of the present utility model, all omit in the middle of all accompanying drawings of the present utility model and show inserting for electric connector Head.

[first embodiment]

Specifically, as shown in Figures 4 to 7, a kind of first typical case of electric connector that this utility model is provided implements Example is also included by clamping O-ring seals 10 to realize two hollow disc shape flange plates 8 of vacuum sealing requirement, wherein One 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 the adapter 6 is in true The socket mounting hole hole edge of cavity body cabinet wall 5；Hold one to be set with outer annular groove in the middle of flange plate 8 described in two panels The centralized positioning ring 7 of the O-ring seals 10；The socket 9 of the electric connector is integrated with the centralized positioning ring 7, described The series of conductive contact pin sealing by fusing of socket 9 is in the centre position of the centralized positioning ring 7；Flange plate 8 described in two panels is by respective Exterior side wall and the inwall of a clip 12 between the Wedge mechanism that formed the O-ring seals 10 implemented with crowded clamping come Reach vacuum sealing effect.

As described above, referring to GB/T4982-2003, a kind of electric connector that the present embodiment is provided, with KF type vacuum flanges Technical scheme is the same, and clamps the sealing of O shapes by " adapter " of two panels flange plate, i.e. GB/T4982-2003 described in Circle is vacuum-packed to realize.The adapter 6 be fastened in the way of the full weld of end face outer on vacuum cavity cabinet wall 5 and The suit of a piece of flange plate 8 full weld in the middle of two panels flange plate 8 is exactly to provide in order to ensure this utility model in one end of adapter 6 The installation position of electric connector be unlikely to gas leakage and affect the vacuum in vacuum cavity.As shown in fig. 7, and with reference to Fig. 4 extremely Fig. 6, in the present embodiment, for the ease of by that 8 full weld of flange plate being set in the adapter 6 on the adapter 6, The outer wall of the adapter 6 is easy to dock with 8 end face of the flange plate and carry out the axle of circumference full weld with being integrated with its own Ring structure.This utility model cleverly utilizes the centralized positioning ring 7 in the middle of KF type vacuum flange technical schemes, namely GB/ The socket 9 of typical electrical connector is integrated into the centralized positioning by the hollow shape of " support " of the T4982-2003 described in The central hollow position of ring 7, as the contact pin of current electric connector socket is all by glass or ceramic melt encapsulation technique fastening peace In the middle of socket, in view of the good sealing property of glass or ceramic melt encapsulation technique, therefore incorporate the centralized positioning of socket 9 Ring 7 sealing property of itself is the anxiety do not worried.Additionally, this utility model has continued to use the appendix A institute of GB/T4982-2003 The clip for showing, in that context it may be convenient to realize that O-ring seals 10 to two panels flange plate 8 and therebetween carry out crowded folder using Wedge mechanism Tight seal operation, and also allow for disassembling, lower catch hoop is easily unloaded by the wing nut that need to only unscrew clip 12.

As the plug of electric connector needs to avoid socket that unnecessary rotation occurs when grafting operation is carried out with socket, For this purpose, compared to KF type vacuum flange technical schemes, also having in the middle of the electric connector that this utility model is provided to prevent The function that the socket is rotated.Specifically, as shown in Figures 5 to 7, and refer to Fig. 4, the adapter 6 is towards described true End face outside cavity body have at least one axial direction opening keyway 14, it is described suit and full weld in the flange of the adapter 6 In piece 8 and the adapter, 6 are set with a plastic sleeve 11, and all contact pins of the socket 9 are located at the plastic sleeve 11 Within；The plastic sleeve 11 is with 13 structure of key with the insertion opening keyway 14 that its own is integrated, the plastics Sleeve 11 has at least one pin itself being integrated with the plastic sleeve 11 towards the end face outside the vacuum cavity 15 structures, the pin 15 insert the centralized positioning ring 7 with the middle of the corresponding pin hole on 11 contact surface of the plastic sleeve. As the adapter 6 is that secure weld cannot be rotated on vacuum cavity cabinet wall 5, the plastic sleeve 11 is with key thereon 13 keyways 14 for inserting the adapter 6 form the plastic sleeve 11 after key is coordinated with keyway and cannot rotate, and institute The pin stated plastic sleeve 11 and incorporate between the centralized positioning ring 7 of socket 9 is coordinated then by by the adapter 6 with pin hole The circumferential orientation of centralized positioning ring 7 is further fixed by the plastic sleeve 11 for securing so as to can not be rotated.The plastics Key between sleeve 11 and adapter 6 coordinates the rotation stopping function that not only can realize the plastic sleeve 11, the keyway with keyway 14 depth can also play the axial limiting to the plastic sleeve 11 and act on.Why the plastic sleeve 11 adopts plastics Isolation material is in order to by the flange plate 8 of the conductive pin of the socket 9 and metal material, adapter 6 or even vacuum cavity cabinet wall 5 Separate, it is to avoid contact pin and form the holding wire of electrical connection therewith and be stripped the part of insulation sheath and the flange plate 8, connect Pipe 6 and vacuum cavity cabinet wall 5 are touched.

As a kind of technical scheme of optimization, in order to continue KF type vacuum flange technical sides in the middle of this utility model Case can tolerate the property of high temperature, the O-ring seals using can resistant to elevated temperatures resilient fluoro-elastomer material, the plastic sleeve is also Using can high temperature resistant and mechanical strength be better than the politef material of quality of rubber materials.

As a kind of technical scheme for further optimizing, in order to reach a sexual valence between processing cost and using effect Than relatively good balance, as shown in Figures 4 to 6, the axial direction that the adapter 6 has towards the end face outside the vacuum cavity The quantity of opening keyway 14 is one.Because a pair of keys is coordinated with keyway be capable of achieving circumference rotation stop, and the width of key and keyway Degree slightly micro-machined more roomy can be allowed to possess larger rotation stop dynamics；The plastic sleeve 11 is towards the vacuum cavity The quantity of the pin 15 itself being integrated with the plastic sleeve 11 that outside end face has is three, three pins 15 Axial line around the plastic sleeve 11 is uniformly distributed.It is in view of plastic sheath why to be coordinated with pin hole 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 the adapter 6 is processed Three pin holes are bored when need to only use bench drill or the work in-process heart to process the centralized positioning ring 7 during 9 centralized positioning ring 7 more , and plastic sleeve 11 simply only needs injection molded of injection machine due to geometry, thus it is of the present utility model The related components manufacturing operation of technical scheme is simple and convenient, with low cost.

[second embodiment]

Second embodiment of the present utility model shown in Fig. 8 to Figure 10 compared with first embodiment shown in Fig. 4 to Fig. 7, only It is the design in the crowded clamping face for optimizing two pieces of flange plates, 8 pairs of O-ring seals, remaining mechanism is identical.Tool Say body, it is contemplated that the O-ring seals 10 will the flange plate 8 described in two panels it is permanent it is crowded clamp until lose elasticity and Failure, the present embodiment take and are conducive to the O-ring seals 10 to keep its elastic measure.As shown in figure 9, and referring to Fig. 8 And Figure 10, it is that two parallel planes are different from the inner surface of the common crowded O-ring seals of vacuum flange piece, the present embodiment is worked as In two panels described in the crowded inner wall surface for clamping the O-ring seals 10 of flange plate 8 be internal outwardly annular taper Face, so then between two panels flange plate 8, the both sides inwall of crowded O-ring seals 10 is defined equivalent to opening towards the flange Two inclined-planes that 8 outer rim of piece gradually increases, O-ring seals 10 have elasticity with opening to 8 outer rim of the flange plate because of which Trend, the degree that 10 periphery of such O-ring seals is extruded can extend its tool resilient less than the degree being extruded inside which Life-span.When vacuum cavity is operated in vacuum state, as outside atmospheric pressure is higher than the air pressure inside vacuum cavity, the O Shape sealing ring 10 can naturally by deeper into the central authorities for clamp-oning space between two panels flange plate 8, in other words, that is, O shapes Sealing ring 10 can be taken advantage of a situation and be shunk sealing effectiveness higher when realizing that vacuum cavity does not work than usual.And do not have in vacuum cavity During working condition in condition of high vacuum degree, the O-ring seals 10 somewhat will magnify, and reduce amount of elastic deformation, from And extend its service life；Additionally, as shown in Fig. 9 and Fig. 8, sealing positioned at the O shapes in 8 inner wall surface of flange plate described in two panels Part on the outside of circle 10 all respectively has one annular flange flange 17, is set with a ring-shaped rubber close in annular flange flange 17 described in twice Envelope band 16, ring-shaped rubber band 16 itself in addition to the O-ring seals 10 can be assisted to reach vacuum sealing effect, One piece of outside flange plate 8 or even centralized positioning ring 7 and O-ring seals 10 described in two panels between flange plate 8 can also be faced When be anchored on the adapter 6, be easy to subsequently carry out the tight of the crowded clamping to flange plate described in two panels 8 using clip 12 Gu operation.Certainly, the annular flange flange 17 can not be too high, it is impossible to hinders flange plate 8 described in two panels to be farthest close to, reference GB/T4982-2003 simultaneously compares Fig. 9, and it is exactly the clamping of two panels flange plate 8 institute that flange plate 8 described in two panels is farthest close to the limit State the degree of closeness reached when the internal end surface of groove of centralized positioning ring 7 is offseted with the corresponding end-faces of the centralized positioning ring 7. Note being referred to as " support " in centralized positioning ring 7 described in GB/T4982-2003, the flange plate 8 is known as " adapter ".

Similar with first embodiment, in order to continue the resistance to elevated temperatures of KF type vacuum flanges, of the present utility model second is real Applying example equally can also be using the plastic sleeve 11 of the O-ring seals 10 of fluorubber material and politef material as optimization Measure.Also equally can adopt a pair of keys as in the first embodiment to coordinate with keyway and three pairs of equally distributed pins and pin The technical measures for further optimizing that hole coordinates.

More than specific embodiment not to limit this creation, it is all to be done within the spiritual and principle that this is created Any modification, equivalent substitution and improvements etc., should be included within the protection domain of this creation.

Claims (3)

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

The electric connector is also included by clamping an O-ring seals (10) to realize two hollow circles of vacuum sealing requirement Disc shaped flange piece (8), one of flange plate (8) suit and full weld in one adapter (6) one end, adapter (6) it is 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) for being set with O-ring seals (10) with outer annular groove；The electric connector insert Seat (9) is integrated with centralized positioning ring (7), and the series of conductive contact pin sealing by fusing of socket (9) is in the centralized positioning ring (7) centre position；Shape between inwall of the flange plate described in two panels (8) by respective exterior side wall and a clip (12) Into Wedge mechanism the O-ring seals (10) are implemented with crowded clamping reaching vacuum sealing effect；

Adapter (6) have the opening keyway (14) of at least one axial direction towards the end face outside the vacuum cavity, described Simultaneously full weld is set with a plastic sleeve (11), institute in the flange plate (8) of the adapter (6) and the adapter (6) to suit The all contact pins for stating socket (9) are located within the plastic sleeve (11)；Plastic sleeve (11) with its own be one Key (13) structure of the insertion opening keyway (14) of body, plastic sleeve (11) are towards the end outside the vacuum cavity Face has at least one pin (15) structure itself being integrated with the plastic sleeve (11), and described pin (15) insertion is described Centralized positioning ring (7) with the middle of the corresponding pin hole on the plastic sleeve (11) contact surface；

The crowded inner wall surface for clamping O-ring seals (10) of flange plate described in two panels (8) is internal outwardly ring-type Taper seat, is located at the part on the outside of the O-ring seals (10) and all respectively has together in flange plate (8) inner wall surface described in two panels Annular flange flange (17), is set with a ring-shaped rubber band (16) in annular flange flange (17) described in twice.

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

Described O-ring seals (10) are fluorubber material, and described plastic sleeve (11) are politef material.

3. a kind of electric connector according to claim 1 and claim 2 any one of are worked as, it is characterised in that：

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