CN209472107U - The mineral insulation cable-assembly of Belt connector - Google Patents
The mineral insulation cable-assembly of Belt connector Download PDFInfo
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- CN209472107U CN209472107U CN201822000146.2U CN201822000146U CN209472107U CN 209472107 U CN209472107 U CN 209472107U CN 201822000146 U CN201822000146 U CN 201822000146U CN 209472107 U CN209472107 U CN 209472107U
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- mineral insulation
- connector
- insulation cable
- assembly
- core wire
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Abstract
The utility model relates to a kind of mineral insulation cable-assemblies of Belt connector, the mineral insulation cable-assembly of Belt connector includes having oversheath, the mineral insulation cable of intermediate insulator and core wire and the connector for being connected to mineral insulation cable front end, connector includes being sleeved on mineral insulation cable front end and the metal shell connected with oversheath welding, the front end of metal shell is for the inserted terminal with intermateable connector grafting, rear end is equipped with external screw thread linkage section, connector contact has been sintered to fix by glass cake in front of the terminals of the core wire in the metal shell, the rear end of connector contact is connected with the soldering terminals of the core wire, front end is contact jaw, there is airtight and watertight padding chamber in glass cake rear in metal shell, inorganic glue is perfused in airtight and watertight padding chamber to form core wire and connector contact described in sealed envelope Encapsulating colloid.
Description
Technical field
The utility model relates to a kind of mineral insulation cable-assemblies of Belt connector.
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.
In order to prevent fires, high temperature resistant, the demand of anti-vibration, mineral insulation cable-assembly has existed in the prior art, mineral are exhausted
Edge cable-assembly includes mineral insulation cable and connector, wherein mineral insulation cable includes oversheath, intermediate insulator and interior
The core wire in portion, the material of intermediate insulator generally use inorganic powder, and all material in mineral insulation cable is metal material
Material or inorganic material, core wire are connected with the contact conduction in connector.But in the prior art, fixation connects inside connector
The insulating element of contact element mostly uses the higher engineering plastics of insulation performance, resin or rubber material.Between connector and core wire
Sealing is also potted using organic gel, and the continuous aging of meeting under extreme severe service environment of these materials, performance degradation cannot
Meet requirement of the cable-assembly under severe service environment.Although mineral insulation cable high temperature resistance itself is fabulous,
It is the highest work temperature that mineral insulation cable can be greatly reduced after realizing sealing using organic elastic material or organic casting glue
Degree, influences the service life of cable-assembly, limits its use occasion.
Utility model content
The purpose of this utility model is to provide a kind of mineral insulation cable-assemblies of Belt connector, to solve the prior art
It is middle that organic material is utilized to be sealed to connector and mineral insulation cable and reduce mineral insulation cable-assembly highest work temperature
The technical issues of spending.
To achieve the above object, the technical solution of the mineral insulation cable-assembly of the utility model Belt connector is: a kind of
The mineral insulation cable-assembly of Belt connector, including with the mineral insulation cable of oversheath, intermediate insulator and core wire and company
The connector in mineral insulation cable front end is connect, connector includes being sleeved on mineral insulation cable front end and welding with the oversheath
Connected metal shell is connect, the front end of metal shell is for the inserted terminal with intermateable connector grafting, and rear end is equipped with external screw thread
Linkage section has been sintered to fix connector contact by glass cake in front of the terminals of the core wire in the metal shell,
The rear end of connector contact is connected with the soldering terminals of the core wire, front end is contact jaw, in glass cake in metal shell
Rear has airtight and watertight padding chamber, and inorganic glue is perfused in airtight and watertight padding chamber to form core wire and connector contact described in sealed envelope
Encapsulating colloid.
The beneficial effects of the utility model are: leading in shell in mineral insulation cable-assembly provided by the utility model
It crosses glass cake and is sintered to fix connector contact, the core wire in connector contact and mineral insulation cable is at the rear of glass cake
Airtight and watertight padding chamber in be weldingly connected, in the intracavitary encapsulating inorganic glue of the airtight and watertight padding to form encapsulating colloid, can to core wire and
Connector contact is fixed.In the utility model, in mineral insulation cable-assembly whole materials be metal material or
Inorganic material is integrally improved the maximum operating temperature of mineral insulation cable-assembly, avoids in the prior art due to organic material
Adverse effect.
Further, the metal shell includes the main casing and switching body of sleeve-shaped, the connector contact, outer
Threaded connection section is set on main casing, and sleeve is arranged between main casing and oversheath the switching body in consistent manner, switching
The adjoiner and switching body of body and oversheath and the adjoiner of main casing are circumferentially welded to realize and be tightly connected.Pass through
Metal shell is divided into main casing and switching body, can be facilitated and be carried out processing and be connected with oversheath, main casing and company
Connecing device contact and external screw thread linkage section 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, main casing includes the procapsid part being welded together and back housing portion, the connector
Contact is arranged in the procapsid part, and rear housing section is arranged with the external screw thread linkage section.Procapsid part with connect
Prepackage may be implemented between device contact and form individual module, when assembling is more convenient.
Further, the adjoiner of the procapsid part and back housing portion circumferentially welds together to realize sealing phase
Even.Adjoiner carries out circumferential welding, can guarantee the leakproofness in metal shell, has and resists strong nuclear radiation, anti-strong electromagnetic pulse
The advantages of interference.
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 the core wire is filled out by drawing in stuffing-box
The glass sinter of mineral insulation cable rear end is equipped with each core wire spaced apart and sealed in material letter.Glass is set in stuffing-box
Sintered body can be sealed fixation to the rear end of mineral insulation cable, prevent external moisture from entering in intermediate insulator.
Further, the connector is plug, and the connector contact in plug is needle contact piece, before needle contact piece
Side, which is equipped with, is fixedly arranged on the intracorporal double end jack contact of metal-back, needle contact piece and double end jack contact by ceramics insulator
One end grafting be connected, the other end of double end jack contact with the needle contact piece grafting on socket for being connected.In plug
Connector contact is needle contact piece, double end jack contact is provided in front of needle contact piece, in use, even if there is leak
Situation will not enter inside equipment by contact, suitable for deep-marine-environment, in addition, by setting in front of needle contact piece
Double end jack contact is set, corresponding socket is made also to have water-proof function.
Detailed description of the invention
Fig. 1 is the schematic diagram of the mineral insulation cable-assembly embodiment 1 of Belt connector provided by the utility model；
Fig. 2 is the schematic diagram of socket in Fig. 1；
Fig. 3 is the 2 Minerals insulation cable of mineral insulation cable-assembly embodiment of Belt connector provided by the utility model
The assembling schematic diagram of component and coupling nut component；
Fig. 4 is the assembling schematic diagram of plug and coupling nut component in Fig. 3；
Fig. 5 is the schematic diagram of ceramic adapter in Fig. 4；
Description of symbols: 100- plug；11- plug casing；12- switching body；13- inorganic glue；14- glass cake；15-
Plug contact；16- back housing portion；17- procapsid part；18- annular protrusion；19- external thread section；The switching of 110- ceramics
Part；111- circlip；112- ceramics insulator；113- jack contact；200- socket；21- Socket casing；22- switching body；
23- inorganic glue；24- glass cake；25- socket contact；26- back housing portion；27- procapsid part；28- annular protrusion；29-
External thread section；300- coupling nut component；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 1 of the mineral insulation cable-assembly of the Belt connector of the utility model, as shown in Figure 1 to Figure 2, this
Connector in embodiment is socket.Mineral insulation cable-assembly includes mineral insulation cable 400 and socket 200.
Mineral insulation cable 400 includes oversheath 41, intermediate insulator 42 and core wire 43, and the material of intermediate insulator 42 is adopted
With inorganic powder, such as magnesia, silica or aluminium oxide.Oversheath 41 is metal material.Institute in mineral insulation cable 400
There is material to be all made of metal and inorganic non-metallic material, is free of any organic material.Define mineral insulation cable 400 and socket
200 connected one end are front end, and the front end of core wire 43 is terminals.When assembly, it is connected to and fills out in the rear end Laser Welding of oversheath 41
Expect letter 51, the rear end of core wire 43 is filled out in stuffing-box 51 by being pierced by stuffing-box 51 and being spaced apart from each other arrangement between each stock core wire 43
Unorganic glass powder is filled, unorganic glass powder metallurgy is sintered to glass sinter 52 using glass sintering technology, it is exhausted to mineral
The rear end of core wire 43 is sealed fixation in edge cable 400, remains unchanged the relative position between each stock core wire 43, and can
Prevent external moisture from entering in intermediate insulator 42.
The structure of socket 200 is as depicted in figs. 1 and 2, and socket 200 includes Socket casing 21, and Socket casing 21 includes front and back
Assemble welding procapsid part 27 together and back housing portion 26, the rear end of procapsid part 27 and back housing portion 26
Front end is butt end, annular groove (unmarked in figure) is offered on the butt end of procapsid part 27, in pair of back housing portion 26
It connects and is provided with annular protrusion 28 on end, annular protrusion 28 and annular groove are adapted to sleeve, and carry out laser welding after the completion of sleeve, protect
Demonstrate,prove the leakproofness of procapsid part 27 and 26 adjoiner of back housing portion.It in the present embodiment, is smoothly transitted to realize, procapsid
The inner peripheral surface and outer peripheral surface alignment of part 27 and the butt end of back housing portion 26.In the present embodiment, procapsid part 27
Main casing is together constituted with back housing portion 26.
Socket casing 21 further includes switching body 22, and 22 laser welding of body of transferring is after the through-hole of back housing portion 26
The internal diameter at end, switching body 22 is less than the internal diameter of 26 rear end of back housing portion.The rear end of back housing portion 26 is provided with external screw thread
And external thread section 29 is formd, external thread section 29 is used to for socket 200 being fixedly mounted on corresponding apparatus casing.
Socket contact 25 is sintered to fix by glass cake 24 in procapsid part 27, socket contact 25 connects for needle
Contact element, the both ends of socket contact 25 are located at the rear and front end of glass cake 24, and front end is contact jaw, and rear end is used to and core wire
43 are connected.In the present embodiment, procapsid part 27, glass cake 24 and socket contact 25 prepackage formed a module, then with its
His component carries out connected, and assembling process is more convenient.
The assembling process of the mineral insulation cable-assembly of the utility model is as follows: by 26 sleeve of back housing portion assembly by
The module rear end that procapsid part 27, glass cake 24 and socket contact 25 are dressed up in advance, by front housing by way of laser welding
Body portion 27 and back housing portion 26 are welded and fixed together, and are sealed connected together adjoiner between the two.By mineral
The front end of insulation cable 400 extends to the rear end of socket contact 25, using thermal-flame soldering by the preceding terminals of core wire 43 with
The rear end of corresponding socket contact 25 is welded and fixed together.Sealing is formed in the rear of glass cake 24 in Socket casing 21 to fill out
Expect chamber, the encapsulating inorganic glue 23 in airtight and watertight padding chamber needs to guarantee between keeping between each stock core wire 43 in encapsulating inorganic glue 23
Every.Later again will switching body 22 be adaptedly inserted between back housing portion 26 and oversheath 41, switching body 22 respectively with
Back housing portion 26 and 41 laser welding of oversheath are fixed, and guarantee sealing performance.As seen from Figure 2, in back housing portion 26
Rear end be provided with block step backwards, transfer body 22 be inserted into when can with switching body 22 front end block cooperate,
The insertion limit of switching body 22 is controlled.The fixation of inorganic glue 23 turns to metal alkoxide, and insulation performance is good, is resistant to 1300
DEG C high temperature.It is capable of fixing the core wire 43 in mineral insulation cable using inorganic glue 23, makes physical isolation between each core wire 43, prevents
Contact short circuit between core wire 43, improves whole shock resistance under vibration environment.
Shell in the utility model is metal shell, is perfused using metal shell, glass sintering and by inorganic glue 23
The encapsulating colloid of formation, the whole maximum operating temperature for improving mineral insulation cable-assembly and being able to bear, avoids using organic material
Expect adverse effect.
In the present embodiment, socket contact 25 constitutes connector contact.
The mineral insulation cable-assembly embodiment 2 of the Belt connector of the utility model, as shown in Figures 3 to 5, with embodiment
1 the difference is that, connector in the present embodiment is plug 100, and the structure of mineral insulation cable 400 and embodiment 1
It is consistent, the stuffing-box 51 and glass sinter 52 of 400 rear end of mineral insulation cable are consistent in embodiment 1.
Plug 100 include plug casing 11, plug casing 11 include main casing and switching body 12, the structure of main casing with
Main shell structure in embodiment 1 is consistent, and details are not described herein.Plug is sintered to fix by glass cake 14 in main casing to connect
Contact element 15, Plug contact 15 are needle contact piece, and Plug contact 15 is weldingly connected with the intracorporal core wire 43 of main casing is protruded into, specifically
Mode is consistent in embodiment 1.It is equipped with to front and back limit ceramic adapter 110 in main casing, ceramic adapter 110
Structure is as shown in figure 5, ceramic adapter 110 includes ceramics insulator 112 and the jack contact being plugged in ceramics insulator 112
Part 113, jack contact 113 are double end jack contact, and one end is connected with Plug contact 15 to slotting, and the other end is in socket
Needle contact piece insertion.The interior step block being arranged in ceramic 110 rear end of adapter and main casing cooperates, and front end passes through setting
Circlip 111 realizes limit.Encapsulating has inorganic glue 13 in plug casing 11.Other structures, such as back housing portion 16, procapsid
Part 17, annular protrusion 18 and external thread section 19 are corresponding with the structure in embodiment 1 consistent.
In the present embodiment, Plug contact 15 constitutes connector contact.
Claims (8)
1. a kind of mineral insulation cable-assembly of Belt connector, exhausted including the mineral with oversheath, intermediate insulator and core wire
Edge cable and the connector for being connected to mineral insulation cable front end, it is characterised in that: connector includes being sleeved on mineral insulation line
Cable front end and the metal shell connected with oversheath welding, the front end of metal shell be for intermateable connector grafting
Inserted terminal, rear end are equipped with external screw thread linkage section, are burnt in front of the terminals of the core wire by glass cake in the metal shell
Knot is fixed with connector contact, and the rear end of connector contact is connected with the soldering terminals of the core wire, front end is to contact
It holds, there is airtight and watertight padding chamber in glass cake rear in metal shell, inorganic glue is perfused in airtight and watertight padding chamber to form sealed envelope
The encapsulating colloid of the core wire and connector contact.
2. the mineral insulation cable-assembly of Belt connector according to claim 1, it is characterised in that: the metal shell packet
The main casing and switching body, the connector contact, external screw thread linkage section for including sleeve-shaped are set on main casing, and described turn
Sleeve is arranged between main casing and oversheath female connector body in consistent manner, the adjoiner and switching body of transfer body and oversheath
It is circumferentially welded with the adjoiner of main casing to realize and be tightly connected.
3. the mineral insulation cable-assembly of Belt connector according to claim 2, it is characterised in that: after the main casing
End is equipped with the block step arranged backwards, and block step is used for the front end block cooperation along the longitudinal direction with the switching body.
4. the mineral insulation cable-assembly of Belt connector according to claim 2 or 3, it is characterised in that: main casing includes
The procapsid part being welded together and back housing portion, the connector contact are arranged in the procapsid part
In, rear housing section is arranged with the external screw thread linkage section.
5. the mineral insulation cable-assembly of Belt connector according to claim 4, it is characterised in that: the procapsid part
Circumferentially welded together with the adjoiner of back housing portion to realize that sealing is connected.
6. the mineral insulation cable-assembly of Belt connector according to claim 4, it is characterised in that: procapsid part is with after
Housing parts have the butt end arranged in opposite directions, and in two butt ends in procapsid part and back housing portion, one of them is right
The end face for connecing end is equipped with annular groove, and the end face of another butt end is equipped with the annular protrusion for the inserting that coincide with the annular groove.
7. the mineral insulation cable-assembly of Belt connector according to claim 6, it is characterised in that: pair of procapsid part
Connect the corresponding inner peripheral surface with the butt end of back housing portion of inner peripheral surface, outer peripheral surface, the outer peripheral surface flush arrangement at end.
8. the mineral insulation cable-assembly of Belt connector according to claim 1 or 2 or 3, it is characterised in that: mineral insulation
The rear end of cable is welded and connected with stuffing-box, and the core wire is equipped in stuffing-box by each core wire partition cloth by drawing in stuffing-box
Set and seal the glass sinter of mineral insulation cable rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000146.2U CN209472107U (en) | 2018-11-30 | 2018-11-30 | The mineral insulation cable-assembly of Belt connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000146.2U CN209472107U (en) | 2018-11-30 | 2018-11-30 | The mineral insulation cable-assembly of Belt connector |
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| Publication Number | Publication Date |
|---|---|
| CN209472107U true CN209472107U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822000146.2U Active CN209472107U (en) | 2018-11-30 | 2018-11-30 | The mineral insulation cable-assembly of Belt connector |
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| CN (1) | CN209472107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509998A (en) * | 2018-11-30 | 2019-03-22 | 中航光电科技股份有限公司 | A kind of mineral insulation cable-assembly of Belt connector |
-
2018
- 2018-11-30 CN CN201822000146.2U patent/CN209472107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509998A (en) * | 2018-11-30 | 2019-03-22 | 中航光电科技股份有限公司 | A kind of mineral insulation cable-assembly of Belt connector |
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