CN205911483U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, includes socket and plug, still includes through two the disc -shaped flange pieces of the tight O shape sealing washer of clamp in order to realize the vacuum seal requirement, and one of them cavity 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 is as an organic whole with another flange piece, the serial conductive pin of socket seal by fusing in the centre position of flange piece, 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 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 Vacuum flange more than kf type vacuum flange a hoop in an aluminum spring outer ring of the periphery of o type rubber seal, this 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 the CNS gb/ of " vacuum technique quick-release adapter size part 2: tighten type " T4982-2003 and gb/t4983-2003 is exactly China with regard to the clip pinching of kf type vacuum flange and heavy caliber nut screwing clamping The directive standard of the size of type is it is also possible to obtain the pattern reference of kf type vacuum flange standard component in the middle of this two parts of standards.

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 kf type vacuum flange Technology Integration and is made corresponding improvement and is allowed to in the middle of electric connector Can be by the convenient occasion being directly applied to and vacuum being 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 kf 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 disc flange plates that existing vacuum sealing requires, the flange plate of one of hollow 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 it is electrically connected Connect the socket of device and another flange plate is integrated, the series of conductive contact pin sealing by fusing of described socket is in the centre of described flange plate Position；A centralized positioning ring being set with described o shape sealing ring with outer annular groove is hold in the middle of flange plate described in two panels； Flange plate described in two panels is close to described o shape by the Wedge mechanism being formed between the inwall of respective exterior side wall and a clip Seal is implemented crowded clamping to reach vacuum sealing effect.

As described above, a kind of electric connector providing with reference to gb/t4982-2003, this utility model, with kf type vacuum method Blue technical scheme is the same, is also by two panels flange plate, that is, gb/t4982-2003 when described in " adapter " clamping o shape close Seal is vacuum-packed to realize.Described adapter be fastened in the way of the full weld of end face outer on vacuum cavity cabinet wall and Simultaneously full weld is just present to ensure that what this utility model provided in one end of adapter to a piece of flange plate suit in the middle of two panels flange plate The installation position of electric connector is unlikely to gas leakage and affects the vacuum in vacuum cavity.This utility model cleverly utilizes kf type Flange plate in the middle of vacuum flange technical scheme, namely gb/t4982-2003 when described in " adapter " hollow shape, The socket of typical electrical connector is integrated into the central hollow position of a piece of flange plate positioned at outside, due to current electric connector The contact pin of socket is all to be fastened in the middle of socket by glass or ceramic melt encapsulation technique, in view of glass or ceramic sealing by fusing skill The good sealing property of art, therefore need not worry the sealing property of the flange plate incorporating socket itself.Additionally, this utility model Continued to use the clip shown in annex a of gb/t4982-2003 in that context it may be convenient to realized to two panels flange plate using Wedge mechanism and O shape sealing ring therebetween carries out the seal operation of crowded clamping, and also allows for disassembling, and the wing nut that only need to unscrew clip is Lower catch hoop can easily be unloaded.

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 kf type vacuum flange technical scheme, also having and can prevent in the middle of the electric connector that this utility model provides The function that described socket rotates.Specifically, end face outside towards described vacuum cavity for the described adapter has at least one Individual axial opening keyway, described suit full weld are set with plastics in the flange plate of described adapter and described adapter Sleeve, all contact pins of described socket are located within described plastic sleeve；Described plastic sleeve is had and is integrated with its own Insert the bond structure of described opening keyway, end face outside towards described vacuum cavity for the described plastic sleeve have at least one with The pin feature that described plastic sleeve is integrated itself, described pin insertion is described to be moulded with described with the flange plate that socket is integrated In the middle of corresponding pin hole on material barrel contacts face.Because described adapter is that secure weld cannot revolve on vacuum cavity cabinet wall Turn, described plastic sleeve is with described plastic sleeve after the key-way shape bonding of the key described adapter of insertion thereon and keyway cooperation Cannot rotate, and the pin between described plastic sleeve and the external flanges piece incorporating socket is coordinated then with pin hole Further the circumferential orientation incorporating the external flanges piece of socket is fixed by the plastic sleeve being secured by described adapter, make Itself or even socket thereon can not rotate.Key between described plastic sleeve and adapter not only can be realized with keyway cooperation The rotation stopping function of described plastic sleeve, the depth of described keyway can also play the axial limiting effect to described plastic sleeve. Why described plastic sleeve is in order to by the flange of the conductive pin of described socket and metal material using plastic insulation material Piece, centralized positioning ring, adapter or even vacuum cavity cabinet wall separate, it is to avoid contact pin and the holding wire quilt forming electrical connection therewith Peel off the part of insulation sheath and described flange plate, centralized positioning ring, adapter and vacuum cavity cabinet wall are touched.

Will the permanent crowded clamping of flange plate described in two panels lose up to forfeiture elasticity in view of described o shape sealing ring Effect, this utility model also takes and is conducive to described o shape sealing ring to keep its elastic measure.Specifically, true with common The inner surface of the crowded o shape sealing ring 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 clamping described o shape sealing ring of blue piece is internal outwardly annular tapered surface, so then two panels flange Between piece, the both sides inwall of crowded o shape sealing ring defines and is equivalent to two that opening is gradually increased towards flange plate outer rim tiltedly Face, o shape sealing ring has, because it has elasticity, the trend opened to flange plate outer rim, and such o shape sealing ring periphery is extruded Degree can extend it and have the resilient life-span less than the degree being extruded inside it.When vacuum cavity is operated in vacuum state, Due to outside atmospheric pressure be higher than vacuum cavity within air pressure, described o shape sealing ring can naturally by deeper into clamp-on two The central authorities in space between piece flange plate, in other words, that is, o shape sealing ring can take advantage of a situation contraction realize than usual vacuum cavity do not have There is higher sealing effectiveness during work.And when vacuum cavity is not on the working condition of condition of high vacuum degree, described o shape sealing ring Will somewhat magnify, and reduce amount of elastic deformation, thus extending its service life；Additionally, flange plate inwall described in two panels Part outside described o shape sealing ring is located on surface all respectively there is one annular flange flange, annular flange flange described in twice is set with There is a ring-shaped rubber band, this ring-shaped rubber band itself is close except described o shape sealing ring can be assisted to reach vacuum It is also possible to will be close to one piece of outside flange plate or even the centralized positioning ring between flange plate and o shape described in two panels outside envelope effect Seal is anchored on described adapter temporarily, is easy to subsequently carry out the crowded clamping to flange plate described in two panels using clip Tightening operation.Certainly, described annular flange flange can not too high it is impossible to hinder two panels described in flange plate farthest close, reference Gb/t4982-2003, flange plate described in two panels farthest close to the limit be exactly two panels flange plate clamp described centralized positioning The degree of closeness that the corresponding end-faces of the internal end surface of the groove of ring and described centralized positioning ring reach when offseting.Note in gb/ Centralized positioning ring described in t4982-2003 is referred to as " support ", and described flange plate is referred to as " adapter ".

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 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 institute State when the centralized positioning ring of socket only with one keyway of milling machine milling, need to be incorporated during adapter described in processing only need to bench drill or The work in-process heart bores three pin holes process during described centralized positioning ring more, and plastic sleeve is simple only due to geometry Need injection molded of injection machine, thus the related components manufacturing operation of the technical solution of the utility model is simple Convenient, with low cost.

As described above, the electric connector that this utility model provides incorporates the technology of kf type vacuum flange, and make electrical connection The socket of device and flange plate are integrated, and the beneficial effect that therefore this utility model can obtain is it will be apparent that utilizing at present The respective standard part of ripe kf type vacuum flange technology and o shape sealing ring etc. can make this utility model provide Electric connector can facilitate the occasion of the such as vacuum cavity outer wall being directly applied to vacuum is required, both can be true Fidelity cavity body requires to the condition of high vacuum degree of its inner space, can be carried out very by the electric connector that this utility model provides again Signal of telecommunication conduction inside and outside cavity body.

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；

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 profile of Fig. 8: second embodiment and parts tentatively disassemble schematic diagram step by step；

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

The schematic appearance of Figure 10: 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 shape sealing ring；11: plastic sleeve；12: clip；13: key；14: keyway；15: pin；16: rubber seal Band；17: flange.

Specific embodiment

With reference to two specific embodiments, this utility model is further described in detail.

A kind of two 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 Kf 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 and kf type vacuum flange are integrated be seal-installed on to vacuum Spend on the cabinet wall of vacuum cavity that requires it is possible to using ripe at present vacuum flange technology and ready-made such as The vacuum flange standard component such as o shape sealing ring of fluorubber material requires to vacuum to make electric connector can apply to Vacuum cavity.That is only need to guarantee that the part of socket and plug grafting exposes, with reference to Fig. 4, Fig. 7 and Fig. 8 to figure 10, 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 is all outer Dew, without the slightest difference with common socket, so user can carry out normal grafting using common plug with it 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 of electric connector Head.

[first embodiment]

Specifically, as shown in Figures 4 to 7, exemplary embodiments of a kind of electric connector that this utility model provides Also include realizing two disc flange plates 8 of vacuum sealing requirement by clamping an o shape sealing ring 10, in one of them Empty 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 true The socket mounting hole hole edge of cavity body cabinet wall 5；The socket 9 of described electric connector is integrated with another flange plate 8, described slotting The series of conductive contact pin sealing by fusing of seat 9 is in the centre position of described flange plate 8；One is hold in the middle of flange plate 8 described in two panels It is set with the centralized positioning ring 7 of described o shape sealing ring 10 with outer annular groove；Flange plate 8 described in two panels passes through respective outside It is true to reach that the Wedge mechanism being formed between the inwall of side wall and a clip 12 implements crowded clamping to described o shape sealing ring 10 Empty sealing effectiveness.

As described above, a kind of electric connector providing with reference to gb/t4982-2003, this utility model, with kf type vacuum method Blue technical scheme is the same, is also by two panels flange plate, that is, gb/t4982-2003 when described in " adapter " clamping o shape close Seal is vacuum-packed to realize.Described adapter 6 be fastened in the way of the full weld of end face outer on vacuum cavity cabinet wall 5 with And a piece of flange plate 8 in the middle of two panels flange plate 8 is set with and in one end of adapter 6, full weld is just present to ensure that this utility model carries For 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 To Fig. 6, in the present embodiment, for the ease of by that flange plate 8 full weld being set in described adapter 6 in described adapter 6 it On, the outer wall of described adapter 6 has to be integrated with its own to be easy to and described flange plate 8 end face docks and carries out circumference full weld Collar structure.This utility model cleverly utilizes the flange plate in the middle of kf type vacuum flange technical scheme, namely gb/t4982- 2003 when described in " adapter " hollow shape, the socket of typical electrical connector is integrated into a piece of flange positioned at outside The central hollow position of piece 8, because the contact pin of current electric connector socket is all by glass or ceramic melt encapsulation technique fastening peace It is loaded in the middle of socket, in view of glass or the good sealing property of ceramic melt encapsulation technique, therefore need not worry and incorporate socket 9 Flange plate 8 sealing property of itself.Additionally, this utility model has continued to use the clip shown in annex a of gb/t4982-2003, can Realize two panels flange plate 8 and o shape sealing ring therebetween 10 are carried out the sealing behaviour of crowded clamping with convenient using Wedge mechanism Make, and also allow for disassembling, the wing nut that only need to unscrew clip 12 can easily unload lower catch hoop 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 kf type vacuum flange technical scheme, also having and can prevent in the middle of the electric connector that this utility model provides The function that described socket rotates.Specifically, as shown in Figures 5 to 7, and with reference to Fig. 4, described adapter 6 is towards described true End face outside cavity body has at least one axial opening keyway 14, described suit full weld is in the flange of described adapter 6 In piece 8 and described adapter, 6 are set with a plastic sleeve 11, and all contact pins of described socket 9 are located at described plastic sleeve 11 Within；Described plastic sleeve 11 has key 13 structure of the described opening keyway 14 of insertion being integrated with its own, described plastics End face outside towards described vacuum cavity for the sleeve 11 has the pin that at least one itself is integrated with described plastic sleeve 11 15 structures, described pin 15 insert the flange plate 8 that described and socket 9 is integrated 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 external flanges piece 8 incorporating socket 9 is then passed through with pin hole cooperation The circumferential orientation incorporating the external flanges piece 8 of socket 9 is fixed by plastic sleeve 11 further that secured by described adapter 6, So that itself or even socket thereon 9 can not be rotated.Key between described plastic sleeve 11 and adapter 6 not only may be used with keyway cooperation To realize the rotation stopping function of described plastic sleeve 11, the depth of described keyway 14 can also play the axle to described plastic sleeve 11 To position-limiting action.Described plastic sleeve 11 why using plastic insulation material be in order to by the conductive pin of described socket 9 with The flange plate 8 of metal material, centralized positioning ring 7, adapter 6 or even vacuum cavity cabinet wall 5 separate, it is to avoid contact pin and being formed therewith The holding wire of electrical connection is stripped part and described flange plate 8, centralized positioning ring 7, adapter 6 and the vacuum cavity of insulation sheath Cabinet wall 5 is touched.

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 10 using can resistant to elevated temperatures resilient fluoro-elastomer material, described plastic sleeve 11 also using high temperature resistant and mechanical strength being better than the politef material of quality of rubber materials.

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 flange plate 8 when bench drill or the work in-process heart described flange plate 8 of processing more, and Plastic sleeve 11 simply only needs injection molded of injection machine due to geometry, thus the technical solution of the utility model Related components manufacture operation 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 optimizing two pieces of described flange plates 8 to described o shape sealing ring, remaining mechanism is identical.Tool Say body it is contemplated that described o shape sealing ring 10 will flange plate 8 described in two panels permanent crowded clamping until lose elasticity and Lost efficacy, the present embodiment takes and is conducive to described o shape sealing ring 10 to keep its elastic measure.As shown in figure 9, and with reference to Fig. 8 And Figure 10, it is that two parallel planes are different from the inner surface of common vacuum flange piece crowded o shape sealing ring, the present embodiment is worked as In the inner wall surface of the crowded centre of flange plate 8 described in two panels tightly described o shape sealing ring 10 be internal outwardly annular taper Face, so then between two panels flange plate 8, the both sides inwall of crowded o shape sealing ring 10 defines and is equivalent to opening towards described flange Two inclined-planes that piece 8 outer rim is gradually increased, o shape sealing ring 10 is opened to described flange plate 8 outer rim because it has elasticity and has Trend, the degree that such o shape sealing ring 10 periphery is extruded can extend its tool resilient less than the degree being extruded inside it Life-span.When vacuum cavity is operated in vacuum state, because outside atmospheric pressure is higher than the air pressure within vacuum cavity, described o Shape sealing ring 10 can naturally by deeper into the central authorities clamp-oning space between two panels flange plate 8, in other words, that is, o shape Sealing ring 10 can be taken advantage of a situation and be shunk higher sealing effectiveness when vacuum cavity does not work than usual of realization.And do not have in vacuum cavity Be in condition of high vacuum degree working condition when, described o shape sealing ring 10 will somewhat be magnified, and reduces amount of elastic deformation, from And extend its service life；Additionally, as shown in Fig. 9 and Fig. 8, flange plate 8 inner wall surface described in two panels is located at described o shape sealing The part in circle 10 outside all respectively has one annular flange flange 17, annular flange flange 17 described in twice is set with a ring-shaped rubber close Envelope band 16, this ring-shaped rubber band 16 itself in addition to described o shape sealing ring 10 can be assisted to reach vacuum sealing effect, One piece of outside flange plate 8 or even the centralized positioning ring 7 between flange plate 8 and o shape sealing ring 10 described in two panels can also be faced When be anchored on described 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, described annular flange flange 17 can not too high it is impossible to hinder two panels described in flange plate 8 farthest close, reference Gb/t4982-2003 simultaneously compares Fig. 9, and flange plate 8 described in two panels is maximum to be exactly that two panels flange plate 8 clamps institute close to the limit The degree of closeness that the corresponding end-faces of the internal end surface of groove and described centralized positioning ring 7 of stating centralized positioning ring 7 reach when offseting. Note being referred to as " support " in centralized positioning ring 7 described in gb/t4982-2003, described flange plate 8 is known as " adapter ".

Similar with first embodiment, in order to continue the resistance to elevated temperatures of kf type vacuum flange, of the present utility model second is real Applying example equally can also be using the plastic sleeve 11 of the o shape sealing ring 10 of fluorubber material and politef material as optimization Measure.Also a pair of keys can equally be adopted as in the first embodiment with keyway cooperation and three to equally distributed pin and pin The technical measures optimizing further of hole cooperation.

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 (3)

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

Described electric connector also includes realizing two discs of vacuum sealing requirement by clamping an o shape sealing ring (10) Flange plate (8), the flange plate (8) of one of hollow is set with and full weld is in one end of an adapter (6), described adapter (6) The outer full weld of the end face of the other end is in the socket mounting hole hole edge of vacuum cavity cabinet wall (5)；The socket of described electric connector (9) it is integrated with another flange plate (8), the series of conductive contact pin sealing by fusing of described socket (9) is in the center of described flange plate (8) Centre position；Hold one in the middle of flange plate described in two panels (8) to be set with described o shape sealing ring (10) with outer annular groove Heart locating ring (7)；Flange plate described in two panels (8) is by formation between the inwall of respective exterior side wall and a clip (12) Wedge mechanism is implemented crowded clamping to reach vacuum sealing effect to described o shape sealing ring (10)；

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

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

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 and claim 2 any one of are 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).