CN205911510U - 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 the seal washer meeting after by sealing edge of a knife extruding due to oxygen-free copper or other soft metal materials There is irreversible plastic deformation, therefore in the clamping process to cf type vacuum flange, tighten flange clamping spiral shell with impartial strength Bolt is extremely important, diagonal flange tilting will be made to lead to if the rundown process of the fishbolt of flange periphery is firmly unequal Gas leakage.Additionally, cf type vacuum flange is to realize vacuum sealing effect with ring packing edge of a knife incision metal packing washer, long Phase use 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 The CNS gb/t6071-2003 of flange " is exactly China will with regard to the pattern of cf type vacuum flange, size and technology The directive standard asked.Compared with cf type vacuum flange, kf type vacuum flange and iso type vacuum flange are characterised by that it adopts Be clipped in o shape rubber seal between two pieces of flange plates to realize sealing, and generally using clip, that heavy caliber nut to be realized is right The Quick-clamped of two pieces of flange plates and fast quick-detach.Difference between iso type vacuum flange and kf type vacuum flange i.e. iso One aluminum spring outer ring of type vacuum flange hoop periphery in o type rubber seal more than kf type vacuum flange, should The Main Function of aluminum spring outer ring namely fixes the position of o shape rubber seal.It is entitled that " vacuum technique quick-release connects Device size part 1: pinching " and the CNS of " vacuum technique quick-release adapter size part 2: tighten type " Gb/t4982-2003 and gb/t4983-2003 is exactly China with regard to the clip pinching of kf type vacuum flange and heavy caliber nut Tighten the directive standard of the size of type it is also possible to obtain the pattern ginseng of kf type vacuum flange standard component in the middle of this two parts of standards Examine.

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 hexagon socket head trip bolts are fastened on described base；Between described closure and base, there is metal material Seal washer.The described closure side relative with base all has and extrudes described metal material seal washer together to realize gold Belong to the ring packing edge of a knife of static seal, the described ring packing edge of a knife is around all contact pins of described socket.

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.

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 radial direction that the outside of the ring packing edge of a knife of described base also has base outer described at least two insertions is cooled down groove； The outside of the ring packing edge of a knife of described closure also has at least two radial directions and cools down groove；In being electrically connected that this utility model provides Connect in the middle of device, in order that the channel opening of cooling down of closure is unlikely to fall into dust easily and has undesirable effect, all closures Groove of cooling down all is intersected with the ring-shaped gas-guiding trench being recessed together, all trip bolt holes phase of described air slot and described closure Hand over.Such then when be used the spring washer with opening as closure and the trip bolt of base fastening accessory when, sealing The groove of cooling down of lid can be more than the trip bolt hole of trip bolt Major Diam, the opening of spring washer by air slot, external diameter Communicate 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 with Prevent dust from entering in closure.

As described in the Background of the invention, because the seal washer of oxygen-free copper or other soft metal materials is by the sealing edge of a knife Irreversible plastic deformation can occur after extruding, therefore in the clamping process to cf type vacuum flange, tighten method with impartial strength Blue fishbolt is extremely important, if the rundown process of the fishbolt of flange periphery is firmly unequal will make diagonal flange Tilting leads to gas leakage.Based on same reason, in order to guarantee all fastening spiral shells in the installation process of described closure as far as possible Nail is tightened with identical moment of torsion, in the middle of the electric connector that this utility model provides, in order to be fastenedly connected described closure Screw fastening block is all set with the hexagon socket head nut of the hexagon socket head trip bolt on base；Described screw fastening lid Cap includes secure weld to be goed deep into the inner hexagonal hole of described trip bolt nut and is rotated institute in of its axle center line position State the outer-hexagonal bar of hexagon socket head trip bolt, the periphery that described screw fastens block has external tooth wheel construction, and described close The indentation, there of cover rim is meshed with the internal gear in the central authorities of one piece of internal gear fastening plates.Due to as described in an entirety Internal gear fastening plates are simultaneously engaged with the fastening block of all screws, therefore just only need to rotate described internal gear fastening plates when mounted All trip bolts can be tightened with identical moment of torsion simultaneously it is ensured that the seal washer of metal material can be by equably by described close Reliable sealing effectiveness is realized in the extruding of the ring packing edge of a knife inside capping and base.The outer rim of described internal gear fastening plates can To be to be easy to, with annular knurl or groove array etc., the structure that staff grips and rotates, six being rotated with spanner can also be easy for Angular shape.

In order to be able to carry out fine fine setting to the degree of tightening of all trip bolts, described internal gear fastening plates, in this reality With new central, it is designed to dismantle.Specifically, on described closure, fastening is provided with one piece of hollow cover plate, institute State the hollow space of hollow cover plate so that the socket part that is integrated with described closure cmpletely expose with ensure its with Plug can nothing serious grafting and fastening, the remainder of hollow cover plate then plays axial limiting and makees to described internal gear fastening plates With.Such then described internal gear fastening plates are unlikely to drop from socket it is also possible to first opening described cover plate and then unloading institute State internal gear fastening plates and fine adjustment is carried out to the degree of tightening of a certain trip bolt.In order to balance described internal gear fastening plates And what the gear teeth meshing that described screw fastens between block produced is unfavorable for tightening the radial direction torsion of operation, cuts with scissors inside described cover plate It is connected to and fasten the little gear that the external gear of block periphery engages, described little gear and described screw fastening lid with all described screws The position of cap engagement is relative with the position that described screw fastens block with the internal gear teeth of described internal gear fastening plates engages.

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 to be processed in the gas overflowing effect of the groove that guarantees to cool down and reduction The relatively good balance of one cost performance of acquirement between this, the outside of the ring packing edge of a knife of described base has three around institute The radial direction stating base outer described in the equally distributed insertion of base axial line is cooled down groove；The ring packing edge of a knife of described closure The radial direction in outside cools down slot number amount also for three, and the axial line around described closure is uniformly distributed.Described internal gear fastening The outer rim of plate is hexagon and the outer rim beyond described base, closure and cover plate, is so then easy to user overall with spanner Rotate described internal gear fastening plates.

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.Finally, the present embodiment adopts internal gear fastening plates to all Trip bolt carries out tightening simultaneously can allow all trip bolts be tightened by intimate identical moment of torsion, so that it is guaranteed that metallic gasket Circle is avoided the warpage producing because of unbalance stress to lead to the gas leakage of vacuum cavity by uniform extruding.

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 outward appearance of Fig. 8: second embodiment disassembles schematic diagram with substep；

The outward appearance of Fig. 9: second embodiment and the substep at another visual angle disassemble schematic diagram；

The schematic appearance of Figure 10: 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； 16: cover plate；17: internal gear fastening plates；18: screw fastening block；19: outer-hexagonal bar；20: little gear.

Specific embodiment

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

[first embodiment]

A kind of electric connector that this utility model provides, as general electric connector, also includes socket and plug two Point, its technical characteristic different from general electric connector is that it incorporates cf type vacuum flange skill ripe at present Art.As previously mentioned it is contemplated that the contact pin of the socket fixing end of current electric connector is using glass or the encapsulation of ceramic melt encapsulation technique Have been realized in fully sealing among socket, so matching plug free end is no need for considering vacuum level requirements, only The socket fixing end of electric connector and cf type vacuum flange are integrated and is seal-installed on vacuum is required true It is possible to utilize the vacuum flange technology of current maturation and ready-made such as oxygen-free copper sealing gasket on the cabinet wall of cavity body The vacuum cavity that the vacuum flange standard components such as circle require to vacuum to make electric connector can apply to.That is only Need to guarantee that the part of socket and plug grafting exposes, with reference to Fig. 4, Fig. 5, Fig. 7, Fig. 8 and Figure 10, because this utility model carries For the contact pin of socket of electric connector and itself external screw thread of being fastenedly connected and plug between all fully expose, other with common socket No different, so user can carry out normal grafting using common plug with it completely.Of the present utility model in order to highlight Key technical feature, all omits in the middle of the accompanying drawing of all two embodiments of the present utility model and shows inserting of electric connector Head.

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

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, the electric connector providing in this utility model Central, as shown in Figure 4 and Figure 5, the outside of the ring packing edge of a knife 13 of described base 6 also has base described at least two insertions The radial direction of 6 outers is cooled down groove 10, and in the present embodiment, the groove 10 of cooling down on described base 6 is by radially piercing from base 6 is outer Slotted eye formed；As illustrated in figures 6 and 5, the outside of the ring packing edge of a knife 13 of described closure 8 also has at least two footpaths To groove 10 of cooling down；As shown in Figure 6 and Figure 7, in the middle of the present embodiment, in order that groove 10 opening of cooling down of closure 8 is unlikely to light Easily fall into dust to have undesirable effect, all closures 8 cool down groove 10 all with together with the annular of depression that gone out with lathe process Air slot 14 intersects, and described air slot 14 is intersected with all trip bolt holes 15 of described closure 8.Such then when using having The spring washer of opening as closure 8 and the trip bolt of base 6 fastening accessory when, the groove 10 of cooling down of closure 8 It is more than trip bolt hole 15, the opening of spring washer and the atmospheric environment of trip bolt Major Diam by air slot 14, external diameter Communicate, 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 Enter in closure.

[second embodiment]

As described in the Background of the invention, because the seal washer of oxygen-free copper or other soft metal materials is by the sealing edge of a knife After 13 extruding, irreversible plastic deformation can occur, be tightened with impartial strength therefore in the clamping process to cf type vacuum flange Flange fishbolt is extremely important, if the rundown process of the fishbolt of flange periphery is firmly unequal will make diagonal method Blue tilting leads to gas leakage.Based on same reason, in order to guarantee all fastenings in the installation process of described closure as far as possible Screw is tightened with identical moment of torsion, as shown in Fig. 8 to Figure 10, the second embodiment of the electric connector providing in this utility model Central, all cover on the hexagon socket head nut of the hexagon socket head trip bolt on base 6 in order to be fastenedly connected described closure 8 Fasten block 18 equipped with screw；Described screw fastens block 18, and to include secure weld deeply described in one of its axle center line position The inner hexagonal hole of trip bolt nut is simultaneously rotated the outer-hexagonal bar 19 of described hexagon socket head trip bolt, described screw fastening The periphery of block has external tooth wheel construction, and in the indentation, there at described closure 8 edge and one piece of internal gear fastening plates 17 The internal gear of centre is meshed.Due to the described internal gear fastening plates 17 as an entirety with all screw fastening blocks 18 simultaneously Engagement, therefore only need to rotate described internal gear fastening plates 17 when mounted and just can tighten all fastening spiral shells with identical moment of torsion simultaneously Nail, it is ensured that the seal washer of metal material, in the middle of first embodiment and the present embodiment, is copper washer 7, can be equably subject to Reliable sealing effectiveness is realized in the extruding of the ring packing edge of a knife 13 of described closure 8 and base 6 inner side.Described internal gear fastening The outer rim of plate 17 can be to be easy to, with annular knurl or groove array etc., the structure that staff grips and rotates, and can also be easy for using spanner The hexagonal configuration being rotated.

In order to be able to the degree of tightening of all trip bolts is carried out with fine fine setting, described internal gear fastening plates 17, at this In the middle of embodiment, it is designed to dismantle.Specifically, on described closure 8, fastening is provided with one piece of hollow cover plate 16, As shown in Fig. 8 to Figure 10, it is to be fastened on described closure 8 with three screws.The hollow of described hollow cover plate 16 Part allow socket 9 part being integrated with described closure 8 cmpletely expose that nothing serious with plug 2 to ensure it Grafting and fastening, the remainder of hollow cover plate 16 then plays axial limiting effect to described internal gear fastening plates 17.Such then Described internal gear fastening plates 17 are unlikely to drop from socket 9 it is also possible to first opening described cover plate 16 and then unloading described interior Gear fastening plates 17 carry out fine adjustment to the degree of tightening of a certain trip bolt.As shown in Figure 8 and Figure 9, in order to balance State internal gear fastening plates 17 and described screw fastens the radial direction being unfavorable for tightening operation of the gear teeth meshing generation between block 18 Torsion, is hinged with inside described cover plate 16 and fastens, with all described screws, the little gear 20 that the external gear of block 18 periphery engages, Described little gear fastens, with described screw, position and described screw fastening block 18 and the described internal gear fastening that block 18 is engaged The position of the internal gear teeth engagement of plate 17 is relatively.It is true that second embodiment of the present utility model is compared to first embodiment, join Examine all accompanying drawings, the structure that described closure 8 clamps the medial surface of copper washer 7 in opposite directions with base 6 is identical, second embodiment Simply the process equipments such as described closure 8 outer ledge lathe being machined away a circle makes trip bolt hole 15 have lacking of exposing Mouthful, the periphery gear teeth that the screw being set on trip bolt nut fastens block 18 so then can be made to be able to tight with internal gear Gu the internal gear engagement of plate 17, described cover plate 16 and little gear 20 hinged thereon are namely in order to coordinate the internal gear installing additional Fastening plates 17 and screw fasten block 18 and add.

With reference to all accompanying drawings in addition to Fig. 7, as a kind of preferred technical scheme, in the first and second embodiment, In order to ensure described closure 8 and base 6 as cf type vacuum flange two pieces of flange plates can uniformly closely clamp described Copper washer 7, described closure 8 is fastened on described bottom by six trip bolts being uniformly and symmetrically distributed around its axial line On seat 6；In order in the gas overflowing effect of the groove 10 that guarantees to cool down with reduce and obtain a cost performance between processing cost relatively Preferably balance, in the present embodiment, 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 Bar is cooled down groove 10 around the radial direction of base outer described in the equally distributed insertion of described base 6 axial line；As illustrated in figures 6 and 5, The radial direction in the outside of the ring packing edge of a knife 13 of described closure 8 cools down groove 10 quantity also for three, and around described closure 8 Axial line be uniformly distributed.As shown in Fig. 8 to Figure 10, the outer rim of described internal gear fastening plates 17 is hexagon and exceeds described bottom The outer rim of seat 6, closure 8 and cover plate 16, is so then easy to user with internal gear fastening plates 17 described in spanner integral-rotation.

With reference to Fig. 5 to Fig. 7, as a kind of technical scheme optimizing further, in the first and second embodiment, in order to anti- What only dust or aqueous vapor fell into base 6 edge cools down in groove 10, the outer of described closure 8 and described vacuum cavity cabinet wall 5 Relative 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 and bottom Seat 6 is clamped the gap that described asbestos cord 12 can be clogged between described closure 8 and vacuum cavity cabinet wall 5 afterwards, stops ash Dirt or even the entrance of aqueous vapor.Why it is to coordinate copper washer 7 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 retained in the middle of the electric connector that this utility model provides.It is true that in view of Normal signal connecting line does not tolerate degree to high-temperature baking, also adopts common o shape rubber seal in this utility model Can not, because just for the sake of realizing dust-proof effect.Due to there is space between the fiber of asbestos cord, o shape rubber is close Seal has elasticity, thus without the groove 10 outwardly atmospheric environment aerofluxuss of cooling down on impact base 6.In addition, as Fig. 4, Fig. 5, Shown in Fig. 7 and Fig. 9, in the first and second embodiment, a ceramic insulation ring 11 can be loaded, so inside described base 6 The holding wire welding on the socket contact pin within positioned at vacuum cavity then can be avoided there is no part and the metal material of insulation sheath The metal safe wall touching of the inwall of base 6 of matter or vacuum cavity.

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 by least three hexagon socket head trip bolt fastening peaces being uniformly and symmetrically distributed around its axial line It is loaded on described 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 one extruding described metal material seal washer (7) with reality Cash belongs to the ring packing edge of a knife (13) of static seal, and the described ring packing edge of a knife (13) is around all contact pins of described socket (9)；

The outside of the ring packing edge of a knife (13) of described base (6) has the radial direction of base (6) outer described at least two insertions Cool down groove (10)；

The outside of the ring packing edge of a knife (13) of described closure (8) also has at least two radial directions and cools down groove (10), Suo Youmi The groove of cooling down (10) of capping (8) is all intersected with the ring-shaped gas-guiding trench (14) being recessed together, described air slot (14) and described sealing All trip bolt holes (15) of lid (8) are intersected；

In order to described closure (8) to be fastenedly connected on the hexagon socket head nut of the hexagon socket head trip bolt on base (6) All it is set with screw fastening block (18)；Described screw fastening block (18) includes secure weld in one of its axle center line position Go deep into the inner hexagonal hole of described trip bolt nut and rotated the outer-hexagonal bar (19) of described hexagon socket head trip bolt, institute The periphery stating screw fastening block (18) has external tooth wheel construction, and in the indentation, there at described closure (8) edge and one piece The internal gear in the central authorities of gear fastening plates (17) is meshed；

On described closure (8), fastening is provided with one piece of hollow cover plate (16), and the hollow space of described hollow cover plate (16) makes Socket (9) part that be integrated with described closure (8) cmpletely expose that (2) can nothing serious with plug to ensure it Grafting and fastening, the remainder of described hollow cover plate (16) then plays axial limiting and makees to described internal gear fastening plates (17) With；It is hinged with inside described cover plate (16) and fasten, with all described screws, the little gear that the external gear of block (18) periphery engages (20), described little gear (20) fastens, with described screw, position and described screw fastening block (18) and the institute that block (18) is engaged State the position of internal gear teeth engagement of internal gear fastening plates (17) relatively.

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 ring packing edge of a knife (13) of described base (6) has three and passes through around described base axial line is equally distributed The radial direction of logical described base (6) outer is cooled down groove (10)；

The radial direction in the outside of the ring packing edge of a knife (13) of described closure (8) cools down groove (10) quantity also for three, and around The axial line of described closure (8) is uniformly distributed；

The outer rim of described internal gear fastening plates (17) is hexagon and exceeds described base (6), closure (8) and cover plate (16) Outer rim.

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).