CN205911557U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, includes socket and plug, still include one outer along the full weld in vacuum cavity cabinet wall's socket installation hole the base at edge, and one with socket sealed lid as an organic whole. The serial conductive pin of socket seal by fusing in the centre position of sealed lid. Sealed lid through at least three fastening screw fastening around the even symmetric distribution of its axial lead install in on the base. The seal ring who has the metal material between sealed lid and the base. Electric connector regard its base and sealed lid as CF type vacuum flange's flange piece, and the socket and the sealed lid that make electric connector close as an organic wholely, 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 of vacuum cavity again and conduct.

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 vacuum flange Sealing Technology and is applied to the vacuum chamber very high to vacuum level requirements The electric connector of body.

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. is0 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 type sealing ring, center ring to make electric connector can apply to true The vacuum cavity that reciprocal of duty cycle requires, both can ensure vacuum level requirements by internal for vacuum cavity with outside atmosphere isolating seal, 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 cf 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 cf type vacuum of maturation at present Flange technology.

Specifically, a kind of electric connector that this utility model provides also includes an outer full weld in vacuum cavity cabinet wall Socket mounting hole hole edge base, an and closure being integrated with described socket；The series of conductive of described socket Contact pin sealing by fusing is in the centre position of described closure；Described closure is by being uniformly and symmetrically distributed at least around its axial line Three trip bolts are fastened on described base；There is between described closure and base the sealing gasket of metal material Circle.The described closure side relative with base all has the described metal material seal washer of extruding to realize metal static seal The twice concentric ring-shaped seals edge of a knife, around all contact pins of described socket, the annular of outer ring is close for the ring packing edge of a knife described in twice The tip of the envelope edge of a knife is higher than that the ring packing edge of a knife of inner ring is most advanced and sophisticated.

As described above, a kind of electric connector that this utility model provides is the closure be integrated with its base and with socket As the two panels flange plate of cf type vacuum flange, make described base metal with closure clamping between the two using trip bolt Seal washer is so that it is guaranteed that the requirement to vacuum for the vacuum cavity.Base is fastened on vacuum chamber in the way of the full weld of outer On body cabinet wall, the installation position also for the electric connector guaranteeing this utility model offer is unlikely to gas leakage and affects vacuum chamber Internal vacuum.Because the contact pin of electric connector socket is all to be fastened on socket by glass or ceramic melt encapsulation technique to work as In, in view of glass or the good sealing property of ceramic melt encapsulation technique, the closure itself incorporating socket therefore need not be worried Sealing property.The ring packing edge of a knife that the described closure side opposite with base all has then makes both possess cf completely The function of the flange plate of type vacuum flange, it is possible to use the ring packing edge of a knife of both sides extrudes the seal washer of metal material and makes It is close to seal the deformation of the edge of a knife and realizes meeting the sealing effectiveness that ultrahigh vacuum degree requires.Additionally, as described above, cf type is true The metal packing washer that empty flange is used, great majority are anaerobic copper sealing washer, using once sealing effectiveness can be very later Difference, if the system higher to vacuum level requirements, flange often dismantles once the seal washer it is necessary to more renew.And it is long-term Using the sealing edge of a knife inside rear flange piece can gradually rust, also easily impaired by the hard thing collision rift sealing edge of a knife.For this reason, In the middle of this utility model, the described closure side relative with base be both provided with extruding described metal material seal washer with Realize the twice concentric ring-shaped seals edge of a knife of metal static seal, the tip of the ring packing edge of a knife of outer ring is close higher than the annular of inner ring The envelope edge of a knife is most advanced and sophisticated.So configured then at ordinary times can first the outer ring ring packing edge of a knife extruding metal with described closure and base close Realizing sealing effectiveness, after being removed closure is from base, or the outer ring sealing edge of a knife suffers from hard thing to seal washer After the passivation of collision impaired or even time length, the metal packing washer originally using can be continuing with, only need to be by closure Clamping degree and base between is further added by some and makes described closure close with the inner ring sealing edge of a knife incision metal on base Seal washer is thus realize good vacuum sealing effect again.Such then metal packing washer and described close can be made full use of Capping and base, cost-effective.

There is enough deformation in order to ensure the seal washer of metal material can be adequately compressed, cf type vacuum flange is at it The outer of the ring packing edge of a knife all has the groove of cooling down of radial direction, and general at least two of the quantity of groove of cooling down, in two pieces of methods The air between two pieces of flange plates is allowed to be able to guarantee that flange plate can be fully thorough from groove spilling of cooling down during blue piece crush seal packing ring With its seal edge of a knife crush seal packing ring reach reliable sealing effectiveness.For this reason, the electric connector providing in this utility model Central, the outside of the outer ring ring packing edge of a knife of described base also has disappearing of the radial direction of base outer described at least two insertions Air drain, the inner ring ring packing edge of a knife of described base also has at least two inner sides being located at the inner ring ring packing edge of a knife and opening Groove of cooling down in the radial direction of base inner wall；The outside of the outer ring ring packing edge of a knife of described closure also has at least two radial directions Groove of cooling down, this utility model provide electric connector in the middle of, in order that the channel opening of cooling down of closure is unlikely to fall easily Enter dust to have undesirable effect, the outer ring ring packing edge of a knife of all closures cool down groove all with together with the leading of annular that be recessed Air drain intersects, and described air slot is intersected with all trip bolt holes of described closure.Such then when using having the bullet of opening Spring packing ring as closure and the trip bolt of base fastening accessory when, the outer ring of closure seals the groove of cooling down of the edge of a knife The trip bolt hole of trip bolt Major Diam is more than by air slot, external diameter, the opening of spring washer is communicated with atmospheric environment, And because this path complications is narrow, so both can ensure that the function of cooling down of groove of cooling down, also can be close to prevent dust from entering In capping.Additionally, the inner ring ring packing edge of a knife of described closure also has at least two is located at the inner ring ring packing edge of a knife The groove of cooling down of radial direction that is internal and being opened on closure centre socket position inwall, the groove of cooling down with the outer ring ring packing edge of a knife Difference, the groove of cooling down of described closure and the inner ring ring packing edge of a knife of base each lead to vacuum cavity internal although and non-through Atmospheric environment outside to vacuum cavity, but in view of install this utility model provide electric connector in vacuum cavity cabinet wall it When upper, described vacuum cavity certainly will will not work under vacuum conditions, and the groove of cooling down therefore leading within vacuum cavity is completely may be used With play a role.Finally, if it is considered that Internal and external cycle twice annular the edge of a knife between gas overflowing problem, if outer ring sealed knife Mouth does not have impaired or passivation, or impaired or passivation degree is not serious, is less than outer side ring because the interior annular edge of a knife is most advanced and sophisticated The tip of the shape edge of a knife, then metal packing washer be used again and increased after clamped degree the outer ring sealing edge of a knife again Still can realize effectively sealing after in depth cutting metal packing washer slightly further；If the outer ring sealing edge of a knife is subject to Damage or be passivated, when relying primarily on the inner ring ring packing edge of a knife and realizing sealing effectiveness, in space between twice annular sealed knife mouth Air just can overflow from the impaired or passivation part of the outer ring ring packing edge of a knife.

As a kind of preferred technical scheme, in order to ensure described closure and base are as two pieces of cf type vacuum flange Flange plate uniformly can closely clamp described seal washer, and described closure is by being uniformly and symmetrically distributed around its axial line Six trip bolts are fastened on described base；In order in the gas overflowing effect of the groove that guarantees to cool down with reduce processing The relatively good balance of one cost performance of acquirement between cost, the outside of the outer ring ring packing edge of a knife of described base has three Around the groove of cooling down of the radial direction of base outer described in the equally distributed insertion of described base axial line, the inner ring annular of described base The sealing edge of a knife has three around the equally distributed inner side positioned at the inner ring ring packing edge of a knife of described base axial line and opening Groove of cooling down in the radial direction of base inner wall；The slot number amount of cooling down of the radial direction in outside of the outer ring ring packing edge of a knife of described closure Also it is three, and the axial line around described closure is uniformly distributed；The inner side of the inner ring ring packing edge of a knife of described closure The slot number amount of cooling down of radial direction be also three, and the axial line around described closure is uniformly distributed.

As a kind of technical scheme optimizing further, in order to prevent dust or aqueous vapor from falling into the groove of cooling down of Base edge Interior, the outer of the described closure end face relative with described vacuum cavity cabinet wall has the groove of the high temperature resistant asbestos cord of clamp, such as This is then when being mounted with that described asbestos cord can clog described closure and vacuum after the closure of asbestos cord is clamped with base Gap between cavity cabinet wall, the entrance of blocks dust or even aqueous vapor.In addition, described chassis interior can to load a pottery exhausted Edge ring, so then can avoid the holding wire of welding on the socket contact pin within positioned at vacuum cavity not have the part of insulation sheath With the inwall of the base of metal material or the metal safe wall touching of vacuum cavity.

As described above, the electric connector that provides of this utility model using its base and closure as cf type vacuum flange method Blue piece, makes the socket of electric connector and closure be integrated, and the beneficial effect that therefore this utility model can obtain is aobvious and easy See, the respective standard part using cf type vacuum flange technology ripe at present and metal packing washer etc. is permissible So that the electric connector that this utility model provides can be facilitated outside the such as vacuum cavity being directly applied to that vacuum is required The occasion of wall, both may insure that vacuum cavity required to the condition of high vacuum degree of its inner space, can have been carried by this utility model again For electric connector carry out inside and outside vacuum cavity the signal of telecommunication conduction.

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 part disassemble schematic diagram；

The part at two visual angles of Fig. 5: first embodiment disassembles schematic diagram completely；

The closure schematic internal view of Fig. 6: first embodiment；

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

The schematic appearance of Fig. 8: first embodiment；

The profile of Fig. 9: second embodiment and part disassemble schematic diagram；

The closure schematic internal view of Figure 10: second embodiment；

The cut-away illustration by axial line of Figure 11: second embodiment；

The schematic appearance of Figure 12: second embodiment；

[reference]

1: socket；2: plug；3: sleeve；4: pin；5: vacuum cavity cabinet wall；6: base；7: copper washer；8: closure； 9: socket；10: groove of cooling down；11: ceramic insulation ring；12: asbestos cord；13: the sealing edge of a knife；14: air slot；15: trip bolt hole.

Specific embodiment

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

[first embodiment]

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 Cf 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 cf 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 chamber that the vacuum flange standard component such as anaerobic copper sealing washer requires to vacuum to make electric connector can apply to Body.That is only need to guarantee that the part of socket and plug grafting exposes, with reference to Fig. 8 and Figure 12, due to this utility model The contact pin of the socket of electric connector providing and itself external screw thread of being fastenedly connected and plug between all fully expose, with common socket Without the slightest difference, so user can carry out normal grafting using common plug with it completely.In order to highlight this utility model Key technical feature, all omit, in the middle of all accompanying drawings of the present utility model, the plug showing electric connector.

Specifically, as shown in Fig. 4, Fig. 5 and Fig. 8, and a kind of electric connector providing with reference to Fig. 6, this utility model First exemplary embodiments includes the base 6 at the socket mounting hole hole edge in vacuum cavity cabinet wall 5 for the outer full weld, and One closure 8 being integrated with described socket 9；The series of conductive contact pin sealing by fusing of described socket 9 is in the center of described closure 8 Centre position；Described closure 8 is fastened on institute by least three trip bolts being uniformly and symmetrically distributed around its axial line State on base 6；There is between described closure 8 and base 6 seal washer of metal material, adopt cf type in the present embodiment The commonly used copper washer of vacuum flange 7.As shown in Figure 6 and Figure 7, and with reference to Fig. 5, described closure 8 relative with base 6 one Side all has the described copper washer 7 of extruding to realize one ring packing edge of a knife 13 of metal static seal, the described ring packing edge of a knife 13 around described socket 9 all contact pins.

As described above, a kind of electric connector that this utility model provides is the sealing be integrated with its base 6 and with socket 9 Lid 9, as the two panels flange plate of cf type vacuum flange, makes described base 6 clamp between the two with closure 8 using trip bolt Copper washer 7 so that it is guaranteed that the requirement to vacuum for the vacuum cavity.Base 6 is fastened on vacuum in the way of the full weld of outer On cavity cabinet wall 5, the installation position also for the electric connector guaranteeing this utility model offer is unlikely to gas leakage and affects vacuum Vacuum in cavity.Because the contact pin of the socket 9 of electric connector is all to be fastened on by glass or ceramic melt encapsulation technique In the middle of socket 9, in view of glass or the good sealing property of ceramic melt encapsulation technique, therefore need not worry and incorporate the close of socket 9 Capping 8 sealing properties of itself.The ring packing edge of a knife 13 that described closure 8 side opposite with base 6 all has then makes two Person possesses the function of the flange plate of cf type vacuum flange completely, it is possible to use the ring packing edge of a knife 13 extruding copper washer of both sides 7 and bring it about be close to seal the edge of a knife 13 deformation realize meet the sealing effectiveness that ultrahigh vacuum degree requires.

There is enough deformation in order to ensure the seal washer of metal material can be adequately compressed, cf type vacuum flange is at it The outer of the ring packing edge of a knife all has the groove of cooling down of radial direction, and general at least two of the quantity of groove of cooling down, in two pieces of methods The air between two pieces of flange plates is allowed to be able to guarantee that flange plate can be fully thorough from groove spilling of cooling down during blue piece crush seal packing ring With its seal edge of a knife crush seal packing ring reach reliable sealing effectiveness.For this reason, in the middle of the present embodiment, as Fig. 4 and Fig. 5 institute Show, the outside of the ring packing edge of a knife 13 of described base 6 also has cooling down of the radial direction of base 6 outer described at least two insertions Groove 10, in the present embodiment, the groove 10 of cooling down on described base 6 is to be formed by from the outer slotted eye radially piercing of base 6；As Shown in Fig. 6 and Fig. 5, the outside of the ring packing edge of a knife 13 of described closure 8 also has the groove 10 of cooling down of at least two radial directions；As Shown in Fig. 6 and Fig. 7, in the middle of the present embodiment, in order that groove 10 opening of cooling down of closure 8 is unlikely to fall into dust easily and makes Become harmful effect, all closures 8 cool down groove 10 all with together with air slot 14 phase of the annular of depression that gone out with lathe process Hand over, described air slot 14 is intersected with all trip bolt holes 15 of described closure 8.Such then when using having the spring of opening Packing ring as closure 8 and the trip bolt of base 6 fastening accessory when, the groove 10 of cooling down of closure 8 can pass through air slot 14th, external diameter is more than the trip bolt hole 15 of trip bolt Major Diam, the opening of spring washer is communicated with atmospheric environment, and due to This path complications is narrow, so both can ensure that the function of cooling down of groove of cooling down, also can be to prevent dust from entering in closure.

As shown in Fig. 4 to Fig. 8, as a kind of preferred technical scheme, in the present embodiment, in order to ensure described closure 8 uniformly can closely clamp described copper washer 7, described closure 8 with base 6 as two pieces of flange plates of cf type vacuum flange It is fastened on described base 6 by six trip bolts being uniformly and symmetrically distributed around its axial line；In order to guarantee The gas overflowing effect of groove 10 of cooling down and reduce and obtain the relatively good balance of cost performance between processing cost, in this enforcement In example, as shown in Figure 4 and Figure 5, the outside of the ring packing edge of a knife 13 of described base 6 has three around described base 6 axle center The groove 10 of cooling down of the radial direction of base outer described in the equally distributed insertion of line；As illustrated in figures 6 and 5, the annular of described closure 8 Groove 10 quantity of cooling down of the radial direction in outside of the sealing edge of a knife 13 is also three, and the axial line around described closure 8 uniformly divides Cloth.

As a kind of technical scheme optimizing further, in the present embodiment, as shown in Figures 5 to 7, in order to prevent dust Or what aqueous vapor fell into base 6 edge cools down in groove 10, and the outer of described closure 8 is relative with described vacuum cavity cabinet wall 5 End face has the groove of the resistant to elevated temperatures asbestos cord of clamp 12, so then when the closure 8 being mounted with asbestos cord 12 is pressed from both sides with base 6 After tight, described asbestos cord 12 can clog gap, blocks dust or even water between described closure 8 and vacuum cavity cabinet wall 5 The entrance of gas.Why it is to coordinate copper washer 7 in this practicality using asbestos cord 12 rather than common o shape rubber seal The function of the high-temperature baking resistant of cf type vacuum flange is provided in the middle of the electric connector of new offer.It is true that in view of normal signal Connecting line does not tolerate degree to high-temperature baking, adopt in this utility model common o shape rubber seal also no can not, because It is just for the sake of realizing dust-proof effect.Due to there is space between the fiber of asbestos cord, o shape rubber seal has bullet Property, thus without the groove 10 outwardly atmospheric environment aerofluxuss of cooling down on impact base 6.In addition, as shown in Fig. 4, Fig. 5 and Fig. 7, In the present embodiment, a ceramic insulation ring 11 inside described base 6, can be loaded, so then can avoid in vacuum cavity On the socket contact pin in portion, the holding wire of welding does not have inwall or the vacuum chamber of the part of insulation sheath and the base 6 of metal material The metal safe wall touching of body.

[second embodiment]

As described in the difference of the second embodiment of the present utility model shown in Fig. 9 to Figure 12 and first embodiment essentially consists in Base 6 and closure 8 clamp the quantity of the ring packing edge of a knife 13 of the inner side of copper washer 7 by first embodiment each together with upgrade For each twice of second embodiment, as shown in figure 11, and with reference to Fig. 9 and Figure 10, in the present embodiment, described closure 8 and bottom It is concentric that the twice point of a knife that seat 6 relative sides are both provided with extruding described copper washer 7 to realize metal static seal is oppositely arranged The ring packing edge of a knife 13, the tip of the ring packing edge of a knife 13 of outer ring is higher than the tip of the ring packing edge of a knife 13 of inner ring.So Configuration then can first be realized sealing with the outer ring ring packing edge of a knife 13 extruding copper washer 7 of described closure 8 and base 6 at ordinary times Effect, after being removed closure 8 is from base 6, or the outer ring sealing edge of a knife 13 suffer from the collision of hard thing impaired or even After the passivation of time length, the copper washer 7 originally using can be continuing with, only need to by the clamping between closure 8 and base 6 Degree is passed through to tighten trip bolt further and is further added by some and makes described closure 8 seal the edge of a knife 13 with the inner ring on base 6 Incision copper washer 7 is thus realize good vacuum sealing effect again.Such then copper washer 7 and described close can be made full use of Capping 8 and base 6, cost-effective.

There is enough deformation in order to ensure the seal washer of metal material can be adequately compressed, cf type vacuum flange is at it The outer of the ring packing edge of a knife all has the groove of cooling down of radial direction, and general at least two of the quantity of groove of cooling down, in two pieces of methods The air between two pieces of flange plates is allowed to be able to guarantee that flange plate can be fully thorough from groove spilling of cooling down during blue piece crush seal packing ring With its seal edge of a knife crush seal packing ring reach reliable sealing effectiveness.For this reason, as shown in Figures 9 to 11, in the present embodiment Central, similar with aforementioned first embodiment, the outside of the outer ring ring packing edge of a knife 13 of described base 6 also has at least two and passes through Lead to the groove 10 of cooling down of the radial direction of described base outer, the inner ring ring packing edge of a knife 13 of described base 6 also has at least two positions In the inner ring ring packing edge of a knife 13 inner side and be opened on base 6 inwall radial direction groove 10 of cooling down；The outer ring of described closure 8 The outside of the ring packing edge of a knife 13 also has the groove 10 of cooling down of at least two radial directions, in the middle of the present embodiment, in order that closure 8 Groove 10 opening of cooling down be unlikely to fall into dust easily and have undesirable effect, the outer ring ring packing edge of a knife 13 of all closures 8 Groove 10 of cooling down all intersect with the air slot 14 of the annular being recessed together, described air slot 14 is all tight with described closure 8 Gu screw hole 15 intersects.Such then when being used the spring washer with opening tight as closure 8 and the trip bolt of base 6 Gu during accessory, the groove 10 of cooling down of the outer ring sealing edge of a knife of closure 8 can be more than trip bolt screw thread by air slot 14, external diameter The trip bolt hole 15 in big footpath, the opening of spring washer are communicated with atmospheric environment, and because this path complications is narrow, so both Can ensure that the function of cooling down of groove of cooling down, also can be to prevent dust from entering in closure 8.Additionally, the inner ring of described closure 8 The ring packing edge of a knife 13 also has at least two and is located at the inside of the inner ring ring packing edge of a knife 13 and is opened on closure 8 centre The groove 10 of cooling down of the radial direction of socket 9 position inwall, described closure 8 different from the groove 10 of cooling down of the outer ring ring packing edge of a knife 13 Each lead to vacuum cavity inside with the groove 10 of cooling down of the inner ring ring packing edge of a knife 13 of base 6 although not leading to vacuum cavity Outside atmospheric environment, but described in when the electric connector providing in view of this utility model is installed on vacuum cavity cabinet wall 5 Vacuum cavity certainly will will not work under vacuum conditions, and the groove 10 of cooling down therefore leading within vacuum cavity is can to play completely Effect.Finally, if it is considered that Internal and external cycle twice annular the edge of a knife 13 between gas overflowing problem, if outer ring sealing the edge of a knife 13 There is no impaired or passivation, or impaired or passivation degree is not serious, be less than outer side ring because the interior annular edge of a knife 13 is most advanced and sophisticated The tip of the shape edge of a knife 13, then copper washer 7 be used again and increased after clamped degree the outer ring sealing edge of a knife 13 again In depth incision copper washer 7 still can be realized effectively sealing afterwards slightly further；If the outer ring sealing edge of a knife 13 is impaired Or passivation, when relying primarily on the inner ring ring packing edge of a knife 13 and realizing sealing effectiveness, space between twice annular sealed knife mouth 13 Interior air just can overflow from the impaired or passivation part of the outer ring ring packing edge of a knife 13.

As shown in Fig. 9, Figure 10 and Figure 12, similar with first embodiment, for the present embodiment, as a kind of preferred technology Scheme, in order to ensure described closure and base uniformly can closely clamp institute as two pieces of flange plates of cf type vacuum flange State copper washer 7, described closure is fastened on described by six trip bolts being uniformly and symmetrically distributed around its axial line On base；As shown in Figure 9 and Figure 10, in order to obtain between processing cost in the gas overflowing effect of the groove that guarantees to cool down and reducing The relatively good balance of one cost performance, the outside of the outer ring ring packing edge of a knife of described base has three around described base The groove of cooling down of the radial direction of base outer described in the equally distributed insertion of axial line, the inner ring ring packing edge of a knife of described base has Article three, around the equally distributed inner side positioned at the inner ring ring packing edge of a knife of described base axial line and be opened on base inner wall The groove of cooling down of radial direction；The slot number amount of cooling down of the radial direction in outside of the outer ring ring packing edge of a knife of described closure is also three, and Axial line around described closure is uniformly distributed；The cooling down of the radial direction of inner side of the inner ring ring packing edge of a knife of described closure Slot number amount is also three, and the axial line around described closure is uniformly distributed.

As a kind of technical scheme optimizing further of the present embodiment, as aforementioned first embodiment, the present embodiment is same Sample can also install asbestos cord 12 and ceramic insulation ring 11 additional and realize identical function.

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 (9) and plug (2) it is characterised in that:

Described electric connector also includes the base at the socket mounting hole hole edge in vacuum cavity cabinet wall (5) for the outer full weld , and a closure (8) being integrated with described socket (9) (6)；

The series of conductive contact pin sealing by fusing of described socket (9) is in the centre position of described closure (8)；

Described closure (8) is fastened on described by least three trip bolts being uniformly and symmetrically distributed around its axial line On base (6)；

There is between described closure (8) and base (6) seal washer (7) of metal material；

Described closure (8) side relative with base (6) all has the described metal material seal washer (7) of extruding to realize gold Belong to the twice concentric ring-shaped seals edge of a knife (13) of static seal, described in twice, the ring packing edge of a knife (13) is around described socket (9) All contact pins, the tip of the ring packing edge of a knife (13) of outer ring is higher than the ring packing edge of a knife (13) tip of inner ring；

The outside of the outer ring ring packing edge of a knife (13) of described base (6) has base (6) outer described at least two insertions The groove of cooling down (10) of radial direction, the inner ring ring packing edge of a knife (13) of described base (6) also has at least two and is located at inner ring annular The inner side sealing the edge of a knife (13) and the groove of cooling down (10) of the radial direction being opened on base (6) inwall；

The outside of the outer ring ring packing edge of a knife (13) of described closure (8) also has the groove of cooling down (10) of at least two radial directions, The groove of cooling down (10) of the outer ring ring packing edge of a knife (13) of all closures (8) all with together with the air slot (14) of annular that is recessed Intersecting, described air slot (14) is intersected with all trip bolt holes (15) of described closure (8)；Described closure (8) interior Ring shape seals the edge of a knife (13) also to be had at least two inside positioned at the inner ring ring packing edge of a knife (13) and is opened on closure (8) groove of cooling down (10) of the radial direction of centre socket (9) position inwall.

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

Described closure (8) is fastened on described base by six trip bolts being uniformly and symmetrically distributed around its axial line (6) on；The outside of the outer ring ring packing edge of a knife (13) of described base (6) have three uniform around described base axial line The groove of cooling down (10) of the radial direction of base described in insertion (6) outer of distribution, the inner ring ring packing edge of a knife (13) of described base (6) There are three around the equally distributed inner side positioned at the inner ring ring packing edge of a knife (13) of described base axial line and be opened on bottom The groove of cooling down (10) of the radial direction of seat (6) inwall；

Groove of cooling down (10) quantity of the radial direction in outside of the outer ring ring packing edge of a knife (13) of described closure (8) is also three, And the axial line around described closure (8) is uniformly distributed；The inner side of the inner ring ring packing edge of a knife (13) of described closure (8) Groove of cooling down (10) quantity of radial direction be also three, and the axial line around described closure (8) is uniformly distributed.

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

The outer of described closure (8) end face relative with described vacuum cavity cabinet wall (5) has the recessed of clamp asbestos cord (12) Groove；

Described base (6) inside is equipped with ceramic insulation ring (11).