CN209150338U - Connector-cable component suitable for extreme harsh environment - Google Patents

Abstract

The utility model relates to a kind of connector-cable components suitable for extreme harsh environment, connector-cable component includes plug cable-assembly and socket cable-assembly, plug cable-assembly includes plug insulation cable and plug, socket cable-assembly includes socket insulation cable and socket, connector-cable component further includes coupling nut, plug and socket respectively includes connector shell, and connector shell is metal shell, has been sintered to fix needle contact piece by glass cake in connector shell；It is equipped with double end switching part in the front end anticreep of plug or the connector shell of socket, double end switching part includes the double end jack contact that ceramics insulator and Qi Nei are equipped with；Metal o-ring is provided between the connector shell of plug and the connector shell of socket；Needle contact piece and core wire in plug and socket are conductively connected, and are had airtight and watertight padding chamber in the connector shell of plug and socket, are perfused with inorganic glue in airtight and watertight padding chamber.

Description

Connector-cable component suitable for extreme harsh environment

Technical field

The utility model relates to a kind of connector-cable components suitable for extreme harsh environment.

Background technique

With science and technology grow rapidly, all trades and professions automation, integration degree increasingly improve, individually isolate instrument, Instrument control equipment has been unable to satisfy the growth requirement of contemporary industry, generally needs the mutually integrated, group using a large amount of I &C equipments Net, to establish whole system.And connector assembly is as one of most basic electric components, is entire automatic control system In each equipment room tie and bridge communicated with each other, play the role of accepting all signals, energy in Transmission system.Connector Component generally comprises the cable for being mutually inserted two connectors of cooperation and being connected with connector, wherein two connector difference For plug and socket, with the grafting of two connectors, disconnect, control loop is switched on or switched off.

It is according to incompletely statistics, annual that there are about 56% electrical malfunctions, and connector interconnected between devices occurs On component, which once breaks down, and is bound to that local system will be impacted, and causes short circuit, open circuit, signal fault, function After connector assembly failure at the electric faults such as energy forfeiture or even certain key equipments, fatal shadow will be generated to whole system It rings, makes system crash.Field especially severe in a few thing environmental abnormality, such as nuclear power station, weaponry, petroleum In the fields such as work, deep-sea sealing, aerospace the matched connector assembly of key equipment institute be required to high temperature resistant, it is high pressure resistant, Resist strong nuclear radiation, anti-strong electromagnetic pulse interference, anti-earthquake dynamic, long-life, have high reliability etc., to the performance of connector assembly It is required that very high.In these extremely harsh working environments, nonmetallic materials be easy by heat, irradiation, moisture, vibration etc. because Element influences, and the comprehensive performance for accelerating its ager process, and then making material itself weakens, and eventually leading to connector assembly forfeiture should have Function, occur electric fault.

The Chinese utility model patent that Authorization Notice No. is CN207320436U discloses a kind of high temperature resistant nuclear industry and is electrically connected Device is connect, which includes plug and socket, wherein socket is glass sintering gas-tight seal socket, but plug is using organic Insulator, and the sealing structure between plug and socket works as connector using the sealing structure of organic material for organic sealing ring When applying in extremely harsh working environment such as nuclear power station, organic material is easy by factors such as heat, irradiation, moisture, vibrations It influences, the comprehensive performance for accelerating its ager process, and then making material itself weakens, and influences connector normal work, finally makes Connector loses due function, breaks down.

Utility model content

The purpose of this utility model is to provide a kind of connector-cable components suitable for extreme harsh environment, to solve In the prior art for being caused in extreme circumstances using organic material as insulator and seal in the connector of nuclear industry Easily there is aging and then influences the technical issues of connector works normally in organic material.

To achieve the above object, the utility model is suitable for the technical solution of the connector-cable component of extreme harsh environment Be: connector-cable component, including plug cable-assembly and socket cable-assembly, plug cable-assembly include plug insulation cable With the plug for being connected to plug insulation cable front end, socket cable-assembly includes socket insulation cable and is connected to socket insulated wire The socket of cable front end, connector-cable component further include the connection for fastening to be assembled to the two in plug and socket grafting Nut, for plug and socket using respective front end as inserted terminal, plug and socket respectively includes connector shell, and connector shell is Metal shell has been sintered to fix needle contact piece by glass cake in connector shell；In the connector shell of plug or socket Front end anticreep is equipped with double end switching part, and double end switching part includes the double end jack contact that ceramics insulator and Qi Nei are equipped with Part, the needle contact piece inserting that the both ends of double end jack contact are used to correspond in plug and socket；In the connector case of plug Metal o-ring is provided between body and the connector shell of socket to realize the grafting sealing of plug and socket；The plug is exhausted Edge cable and socket insulation cable are the mineral insulation cable with core wire, intermediate insulator and oversheath, plug and socket In the corresponding core wire with corresponding mineral insulation cable of needle contact piece be conductively connected, the connector shell of plug and socket and corresponding The oversheath welding of mineral insulation cable is connected, and is disposed in the connector shell of plug and socket in corresponding glass cake rear close Packing cavity is sealed, is perfused with inorganic glue in airtight and watertight padding chamber to form the encapsulating colloid of the corresponding core wire of sealed envelope and needle contact piece.

The beneficial effects of the utility model are: in connector-cable component, using metal shell, the fixed contact of glass sintering The encapsulating colloid and mineral insulation cable formed is perfused by inorganic glue for part, ceramics insulator, and not including in all materials has Machine material, the whole performance for improving connector-cable component are suitable for the high pressures work condition environments such as deep-sea sealing, can be avoided organic Aging brought by material influences.Moreover, the contact in plug and socket is needle contact piece, two needles in the utility model It is transferred between contact by the double end switching part with double end jack contact, when being applied to deep-marine-environment, even if There is a situation where seeping water, will not flow into inside equipment.

Further, the rear portion of the encapsulating colloid in plug and socket has and protects outside package corresponding mineral insulation cable front end The sheath of set wraps up section.By setting sheath wrap up section, mineral insulation cable front end oversheath can be wrapped in, prevent water Deng enter oversheath in.

Further, the connector shell includes that the main casing of sleeve-shaped and switching body, the needle contact piece are fixed In main casing, sleeve is arranged between main casing and oversheath the switching body in consistent manner, transfer body and oversheath The adjoiner of adjoiner and switching body and main casing carries out circumferential weld to realize and be tightly connected respectively.By by connector Shell is divided into main casing and switching body, can facilitate and carry out processing and be connected with oversheath, main casing and connector connect Contact element may be implemented to pre-install, and facilitate subsequent assembling.

Further, the rear end of the main casing is equipped with the block step arranged backwards, and block step is used for and described turn Block cooperates along the longitudinal direction for the front end of female connector body.It can be to the limit of the forward movement of switching body by setting block step It is limited, it is convenient that switching body is limited.

Further, the main casing includes the procapsid part being welded together and back housing portion, procapsid The needle contact piece is installed in part, back housing portion periphery is equipped with external thread section.Procapsid part is contacted with connector Prepackage may be implemented between part and form module, when assembling is more convenient.

Further, the adjoiner of procapsid part and back housing portion is tightly connected by circumferential welding with realizing.It is adjacent It meets place and carries out circumferential welding, can guarantee the leakproofness in metal shell, have and strong nuclear radiation, anti-strong electromagnetic pulse is resisted to interfere Advantage.

Further, procapsid part and back housing portion have the butt end arranged in opposite directions, procapsid part and rear shell In two butt ends in body portion, the end face of one of butt end is equipped with annular groove, and the end face of another butt end is equipped with With the annular protrusion of the identical inserting of the annular groove.By the way that ring is arranged on the butt end end face of procapsid part and back housing portion Slot and annular protrusion can facilitate positioning between the two mating.

Further, the corresponding butt end with back housing portion of the inner peripheral surface, outer peripheral surface of the butt end of procapsid part Inner peripheral surface, outer peripheral surface flush arrangement.The butt end size fit of procapsid part and back housing portion, when inorganic glue is perfused It can be avoided the appearance at dead angle.

Further, the rear end of mineral insulation cable is welded and connected with stuffing-box, and core wire is drawn from stuffing-box, stuffing-box In be equipped with each core wire spaced apart and seal the glass sinter of mineral insulation cable rear end.Glass sintering is set in stuffing-box Body can be sealed fixation to the rear end of mineral insulation cable, prevent external moisture from entering in intermediate insulator.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the connector-cable component provided by the utility model suitable for extreme harsh environment；

Fig. 2 is the assembling schematic diagram of plug, mineral insulation cable and coupling nut component in Fig. 1；

Fig. 3 is the assembling schematic diagram of plug and coupling nut component in Fig. 2；

Fig. 4 is the schematic diagram of double end switching part in Fig. 3；

Fig. 5 is the schematic diagram of metal o-ring in Fig. 3；

Fig. 6 is the decomposition diagram of Fig. 3；

Fig. 7 is coupling nut component the connector-cable component provided by the utility model suitable for extreme harsh environment Cross-sectional view；

Fig. 8 is the decomposition diagram of Fig. 6；

Fig. 9 is the assembling schematic diagram of socket provided by the utility model and mineral insulation cable；

Figure 10 is the schematic diagram of socket in Fig. 9；

Figure 11 is the decomposition diagram of Figure 10；

Figure 12 is the connector-cable suitable for extreme harsh environment provided by the utility model under lockup state The schematic diagram of component；

Figure 13 is the connector-cable suitable for extreme harsh environment provided by the utility model under lockup state The cooperation schematic diagram of ball and track groove in component；

Figure 14 be it is provided by the utility model it is in the unlocked state under the connector-cable suitable for extreme harsh environment The schematic diagram of component；

Figure 15 be it is provided by the utility model it is in the unlocked state under the connector-cable suitable for extreme harsh environment The cooperation schematic diagram of ball and track groove in component；

Description of symbols: 100- plug；11- plug casing；12- plug switching body；13- plug inorganic glue；14- is inserted Head glass cake；15- Plug contact；16- plug back housing portion；17- plug procapsid part；18- plug annular protrusion； 19- plug external thread section；110- double end switching part；111- plug circlip；112- ceramic insulator；113- jack contact； 114- ripple spring；115- metal o-ring；116-C shape sheath；117- ring spring；200- socket；21- Socket casing；22- Socket switching body；23- socket inorganic glue；24- socket glass cake；25- socket contact；26- socket back housing portion；27- Socket procapsid part；28- socket annular protrusion；29- socket external thread section；210- spiral channel；211- convex key；300- connection Nut component；31- coupling nut；32- rotation stop set；33- pressure spring；34- threaded collar；35- track groove；36- rivet；37- ball； 38- groove；39- bail；310- lock groove；311- solves locked groove；312- rotation stop groove；400- mineral insulation cable；41- oversheath； 42- intermediate insulator；43- core wire；51- stuffing-box；52- glass sinter.

Specific embodiment

The embodiments of the present invention is described further with reference to the accompanying drawing.

The specific embodiment of the connector-cable component suitable for extreme harsh environment of the utility model, such as Fig. 1 to figure Shown in 15, the connector-cable component in the present embodiment is suitable for extreme harsh environment, has high temperature resistant, prevents fires, resists strong core spoke It penetrates, antivibration, the advantage that the service life is long, reliability is higher, moisture-proof.

As shown in Figure 1, the connector-cable component for being suitable for extreme harsh environment includes the plug cord of mutual sleeve cooperation Cable assembly and socket cable-assembly, plug cable-assembly include plug 100 and mineral insulation cable 400, socket cable-assembly packet Include socket 200 and mineral insulation cable 400.Connector-cable component suitable for extreme harsh environment further includes in plug 100 The coupling nut component 300 of both lockings when with 200 grafting of socket in place, the front end for defining plug 100 and socket 200 is grafting The inserted terminal of cooperation when specifically used, is respectively connected with mineral insulation cable 400 in the rear end of plug 100 and socket 200.

The structure of plug 100 is as shown in Figures 2 to 6, and plug 100 includes the plug casing 11 of sleeve-shaped, plug casing 11 For metal shell, plug casing 11 includes front and back to the slotting plug procapsid part 17 being assembled together and plug back housing portion 16, two-part sleeve cooperates for convenience, annular groove is offered in the rear end of plug procapsid part 17, in plug rear housing section Divide 16 front end to offer plug annular protrusion 18, passes through the positioning sleeve convenient plug shell of plug annular protrusion 18 and annular groove 11 it is two-part plug together, in order to guarantee the leakproofness inside plug casing 11, plug procapsid part 17 and plug rear housing section 16 adjoiner is divided to carry out laser welding.Plug is sintered to fix by plug glass cake 14 in plug procapsid part 17 to connect Contact element 15, Plug contact 15 are needle contact piece.Even if there is phenomena such as leak, it also can be avoided and flow into equipment.In plug The front of glass cake 14 is equipped with double end switching part 110, and double end switching part 110 is fixed on plug procapsid by front and back limit In part 17, the block step limit block that the rear end of double end switching part 110 is arranged in plug procapsid part 17, front end 111 block of plug circlip being arranged in plug procapsid part 17.

The structure of double end switching part 110 as shown in figure 4, double end switching part 110 includes two ceramic insulators 112, Ceramic insulator 112 is the ceramic material of resistance to 1400 DEG C of high temperature.Perforation is offered in ceramic insulator 112, fixation is worn in perforation Equipped with jack contact 113, jack contact 113 is double end jack contact.When assembling, one end of jack contact 113 with Plug contact 15 is connected, and the other end is inserted into for the socket contact 25 in socket 200, realizes the electricity of plug 100 and socket 200 Road or signal conduction.

It turns edge outside being offered on plug procapsid part 17, is set on plug procapsid part 17 in the rear to turn edge outside Have ripple spring 114, front is set with metal o-ring 115, in use, ripple spring 114 by elasticity be fitted in it is outer turn edge with Between coupling nut 31.

The structure of metal o-ring 115 is as shown in figure 5, metal o-ring 115 includes that C-shaped sheath 116 is protected with C-shaped is contained in Ring spring 117 in set 116 in other embodiments, can also be used if Authorization Notice No. is CN207584012U certainly It is the metal o-ring disclosed in two Chinese utility model patents of CN204420104U with Authorization Notice No..Metal sealing 500MPa hyperpressure can be born by enclosing 115 maximums.

As shown in figure 3, the rear end of plug back housing portion 16 offers external screw thread and forms plug external thread section 19, group It is easily installed on apparatus casing when dress.

The structure of mineral insulation cable 400 is as shown in Figure 2 and Figure 9, and mineral insulation cable 400 includes the outer shield of metal material Set 41 and intermediate intermediate insulator 42 and the core wire 43 of inside, wherein intermediate insulator 42 is formed by inorganic powder. The one end being connected in mineral insulation cable 400 with plug 100 or socket 200 is front end, and the rear end of mineral insulation cable 400 is welded It connects and is fixed with stuffing-box 51, glass sinter 52 made of filling is sintered as glass powder in stuffing-box 51, the rear end of core wire 43 By being pierced by glass sinter 52, it is sealed by rear end of the glass sinter 52 to mineral insulation cable 400, it is effectively anti- Tide.

As shown in Fig. 2, the front end of mineral insulation cable 400 extends in plug casing 11, core wire 43 and Plug contact 15 Correspondence is weldingly connected, and encapsulating has plug inorganic glue 13 in plug casing 11, to consolidate to core wire 43, Plug contact 15 It is fixed, make each 43 physical isolation of core wire, prevents under vibration environment contact short circuit between core wire 43, improve shock resistance.Plug 100 further include the plug switching body 12 that adaptation is inserted between plug casing 11 and oversheath 41, and plug switching body 12 divides It is not weldingly connected with plug casing 11 and oversheath 41.When assembling, first core wire 43 and Plug contact 15 are weldingly connected, it The encapsulating plug inorganic glue 13 in plug casing 11 afterwards is welded after the condensation of plug inorganic glue 13, then by plug switching body 12 Between plug casing 11 and oversheath 41, plug inorganic glue 13 forms encapsulating colloid after condensing.It wraps up one end of encapsulating colloid Firmly oversheath 41 and form sheath package section.

If Fig. 9, Figure 10 and Figure 11 show the structure of socket 200, the structure of socket 200 is similar to the structure of plug 100, Component therein, such as Socket casing 21, socket switching body 22, socket inorganic glue 23, socket glass cake 24, socket contact 25, socket back housing portion 26, socket procapsid part 27, socket annular protrusion 28, socket external thread section 29 structure with Each component in plug 100 is identical, the connection type of socket 200 and mineral insulation cable 400 also with plug 100 and mineral insulation The connection type of cable 400 is identical, and details are not described herein, and socket contact 25 is needle contact piece, is used to and double end in plug 100 Jack contact 113 in switching part 110 is corresponding connected.

Spiral channel 210 at three are offered in the front end of Socket casing 21, spiral channel 210 is for the card on coupling nut 31 Nail 39 protrudes into, and when plug 100 and socket 200 are mutually inserted, bail 39 is rotated in 210 inside spin of spiral channel, until reaching The least significant end of spiral channel 210 is finally maintained at the terminal position under the action of ripple spring 114.In Socket casing 21 Also circumferentially for uniform intervals arrangement there are three convex key 211, three convex keys 211 are used to be caught in the groove 38 on rotation stop set 32 for front end In, realize that Socket casing 21 and the circumferential rotation stop of rotation stop set 32 assemble.It, can be by groove arrangement in socket shell in other embodiments The front end of body, and convex key is arranged in rotation stop and is put on.

After 200 grafting in place of plug 100 and socket, need to carry out locking by coupling nut component 300.Coupling nut For the structure of component 300 as shown in Fig. 2, Fig. 3, Fig. 7 and Fig. 8, coupling nut component 300 includes the company being sleeved on plug casing 11 Connect nut 31.Define coupling nut 31 in towards one end of socket 200 be front end, towards one end of plug 100 be rear end.Connection The front end of nut 31 is distributed along the circumference at three track groove 35 at bail hole and three, and when assembling, bail 39 is passed through the side of riveting Formula is fixed in bail hole, and the radial inner end of bail 39 extends in coupling nut 31.Coupling nut 31 is axial step structure, preceding Hold inside and outside diameter larger, rear end is hexagonal structure, can by tool rotate coupling nut 31, make bail 39 on socket 200 three Locate 210 screw of spiral channel, and then realizes plugging together and separating between plug 100 and socket 200.In coupling nut 31 Rear end offers external screw thread, for 34 Screw assembly of threaded collar.

As shown in Figure 13 and Figure 15, the generally T shape of track groove 35, track groove 35 includes that locked groove is solved at the two of circumferentially extending 311, solution locked groove 311 is connected at two, and the intersection that locked groove 311 is solved at two is provided with lock groove 310, and lock groove 310 is along preceding Rear direction extends, and lock groove 310 is connected with solution locked groove 311, and the outer circumferential for throughout solving locked groove 311 is additionally provided with rotation stop groove 312, rotation stop groove 312 is connected with solution locked groove 311.Track groove 35 can be embedded in for ball 37.

Coupling nut component 300 further includes rotation stop set 32, and rotation stop set 32 is sleeved on the outside of coupling nut 31, rotation stop set 32 It can be moved forward and backward relative to coupling nut 31.Track groove 35 offers at the front end of rotation stop set 32 is corresponding to three leads at three Hole, at three through-hole be used to it is corresponding place ball 37, as shown in fig. 7, being placed with ball 37 in through-hole, and pass through 36 envelope of rivet Dress prevents ball 37 from deviating from, and 37 a part of ball is located in track groove 35, and another part is located in the through-hole of rotation stop set 32, leads to Crossing ball 37 may be implemented the rotation stop cooperation of rotation stop set 32 and coupling nut 31.In the present embodiment, ball 37 constitutes radial convex Portion, i.e. nut rotation stop connected structure and unlock connected structure.The presence of ball 37 can guarantee rotation stop set 32 and coupling nut 31 When relatively movable, friction between the two is rolling friction, mitigates abrasion.Ball 37 can be with the inner wall block of track groove 35 Cooperate, in other embodiments, nut rotation stop connected structure and unlock connected structure can be the structures such as pin, bail, convex key.

As shown in fig. 7, the rear end of rotation stop set 32 has a turn edge backwards, when assembly, arranged at the rear of the turn edge There is pressure spring 33, and the threaded collar 34 by being screwed on coupling nut 31 realizes anticreep.In the front inner wall of rotation stop set 32 Groove 38 at three are distributed along the circumference with, groove 38 is for mating in the axial direction with the convex key 211 in socket 200, to realize Rotation stop between Socket casing 21 and rotation stop set 32 is assembled.In the present embodiment, groove 38 constitutes shell rotation stop connected structure.And Rotation stop set 32 constitutes the rotation stop set being set in outside coupling nut 31, i.e. rotation stop set.

The utility model use process is as follows: when plug 100 and socket 200 plug together, Socket casing 21 extends to connection spiral shell In cap 31, the screw in the spiral channel 210 on socket 200 of bail 39 in coupling nut 31, the socket shell of socket 200 Body 21 presses against on plug casing 11, and plug casing 11 and coupling nut 31 move towards simultaneously compresses bellows spring 114, works as bail 39 when being moved to the end of spiral channel 210, and bail 39 and coupling nut 31 are before the elastic reaction lower edge of ripple spring 114 Rear direction (i.e. axial) is held out against on the cell wall of spiral channel 210, has reached axial restraint.As is illustrated by figs. 11 and 12, work as card When nail 39 is moved to the end of spiral channel 210, ball 37 is placed in lock groove 310, realizes coupling nut 31 and rotation stop set Circumferential rotation stop assembly between 32, and rotation stop set 32 holds out against ball 37 in lock groove 310 under the elastic acting force of pressure spring 33 Front side end at.At this point, three convex keys 211 correspondence being arranged on Socket casing 21 is axially inserted into groove 38, realize slotting Rotation stop between seat shell body 21 and rotation stop set 32 is assembled, moreover, because having been realized between rotation stop set 32 and coupling nut 31 Circumferential rotation stop, so that Socket casing 21 and 32 entirety of rotation stop set realize circumferential rotation stop.Coupling nut 31 will not rotate, card The position of plug 100 and socket 200 will not be carried out locking by circumferentially rotating abjection in spiral channel 210 by nail 39.At this point, only Otherwise external force in the front-back direction is applied to rotation stop set 32, rotation stop set 32 will not circumferentially rotate, and plug 100 and socket 200 are protected It holds constant in the position plugged together.At this point, the location of rotation stop set 32 is locking position.Rotation stop set 32 is driven by pressure spring 33 to Forward Dynamic stroke is front travel, and locking position is the extreme position of front travel.

As shown in Figure 14 and Figure 15, when unlock, rotation stop set 32 is pulled back, rotation stop set 32 drives ball 37 along lock groove 310 are moved rearwardly at the position to connect with solution locked groove 311, and ball 37 and lock groove 310 are detached from circumferential block, 211 He of convex key Groove 38 is also detached from circumferential block, at this point, rotation rotation stop set 32, moves ball 37 along one of solution locked groove 311, and final Ball 37 is pushed into rotation stop groove 312 under the elastic acting force of pressure spring 33, is maintained at ball 37 in rotation stop groove 312.Convex key 211 and groove 38 be detached from circumferential block and can be rotatablely connected nut 31 after ball 37 and lock groove 310 are detached from circumferential block, gram The elastic acting force for taking ripple spring 114 produces the bail 39 on coupling nut 31 by spiral in spiral channel 210, plug 100 and socket 200 realize unlock.When ball 37, which is moved to lock groove 310, conciliates 311 joint of locked groove, locating for rotation stop set 32 Position be Xie Suowei, the extreme position that pivoted housing 32 moves backward until position this moment.

In the present embodiment, plug casing 11 and Socket casing 21 are connector shell, and Plug contact 15 and socket connect Contact element 25 is needle contact piece.

In the present embodiment, the mineral insulation cable being connected on plug 100 constitutes plug insulation cable, is connected to socket Mineral insulation cable on 200 constitutes socket insulation cable.

Claims (9)

1. a kind of connector-cable component suitable for extreme harsh environment, including plug cable-assembly and socket cable-assembly, Plug cable-assembly includes plug insulation cable and the plug for being connected to plug insulation cable front end, and socket cable-assembly includes inserting Seat insulation cable and the socket for being connected to socket insulation cable front end, connector-cable component further includes in plug and socket By the two by the coupling nut of fastening assembly when grafting, plug and socket is using respective front end as inserted terminal, it is characterised in that:

Plug and socket respectively includes connector shell, and connector shell is metal shell, passes through glass cake in connector shell It has been sintered to fix needle contact piece；Double end switching part, double end are equipped in the front end anticreep of plug or the connector shell of socket Switching part includes the double end jack contact that ceramics insulator and Qi Nei are equipped with, and the both ends of double end jack contact are for corresponding to Needle contact piece inserting in plug and socket；

Metal o-ring is provided between the connector shell of plug and the connector shell of socket to realize plug and socket Grafting sealing；

The plug insulation cable and socket insulation cable are the mineral insulation line with core wire, intermediate insulator and oversheath Cable, the corresponding core wire with corresponding mineral insulation cable of needle contact piece in plug and socket are conductively connected, the company of plug and socket The oversheath welding for connecing device shell and corresponding mineral insulation cable is connected, in corresponding glass in the connector shell of plug and socket Cake rear is disposed with airtight and watertight padding chamber, and inorganic glue is perfused in airtight and watertight padding chamber to form the corresponding core wire of sealed envelope and needle contact The encapsulating colloid of part.

2. the connector-cable component according to claim 1 suitable for extreme harsh environment, it is characterised in that: plug and There is the sheath of package corresponding mineral insulation cable front end oversheath to wrap up section at the rear portion of encapsulating colloid in socket.

3. the connector-cable component according to claim 1 or 2 suitable for extreme harsh environment, it is characterised in that: institute Stating connector shell includes that the main casing of sleeve-shaped and switching body, the needle contact piece are fixed in main casing, the switching Sleeve is arranged between main casing and oversheath body in consistent manner, the adjoiner and switching body of transfer body and oversheath with The adjoiner of main casing carries out circumferential weld to realize and be tightly connected respectively.

4. the connector-cable component according to claim 3 suitable for extreme harsh environment, it is characterised in that: the master The rear end of shell is equipped with the block step arranged backwards, and block step is used to keep off along the longitudinal direction with the front end of the switching body Only cooperate.

5. the connector-cable component according to claim 3 suitable for extreme harsh environment, it is characterised in that: the master Shell includes the procapsid part being welded together and back housing portion, and the needle contact is installed in procapsid part Part, back housing portion periphery are equipped with external thread section.

6. the connector-cable component according to claim 5 suitable for extreme harsh environment, it is characterised in that: procapsid The adjoiner of part and back housing portion is tightly connected by circumferential welding with realizing.

7. the connector-cable component according to claim 3 suitable for extreme harsh environment, it is characterised in that: procapsid Part and back housing portion have the butt end arranged in opposite directions, in two butt ends in procapsid part and back housing portion, In the end face of a butt end be equipped with annular groove, the end face of another butt end is equipped with the annular for the inserting that coincide with the annular groove Protrusion.

8. the connector-cable component according to claim 7 suitable for extreme harsh environment, it is characterised in that: procapsid The corresponding inner peripheral surface with the butt end of back housing portion of inner peripheral surface, the outer peripheral surface of partial butt end, outer peripheral surface flush arrangement.

9. the connector-cable component according to claim 1 or 2 suitable for extreme harsh environment, it is characterised in that: mine The rear end of object insulation cable is welded and connected with stuffing-box, and core wire is drawn from stuffing-box, is equipped in stuffing-box and separates each core wire Arrange and seal the glass sinter of mineral insulation cable rear end.