CN108281818A - A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector - Google Patents
A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector Download PDFInfo
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- CN108281818A CN108281818A CN201810104570.3A CN201810104570A CN108281818A CN 108281818 A CN108281818 A CN 108281818A CN 201810104570 A CN201810104570 A CN 201810104570A CN 108281818 A CN108281818 A CN 108281818A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 167
- 238000007789 sealing Methods 0.000 title claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 238000003032 molecular docking Methods 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000002241 glass-ceramic Substances 0.000 description 4
- 239000003129 oil well Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009411 base construction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
- H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
- H01R13/6584—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members formed by conductive elastomeric members, e.g. flat gaskets or O-rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Abstract
The present invention discloses a kind of double-layer ceramic sealing structure electromagnetic shielding electric connector comprising contact pin component, plugging hole component and the flexible sheath of coaxial arrangement；Contact pin component includes the tubular metal shell set gradually from outside to inside, double-layer ceramic pedestal and contact pin, between contact pin and internal layer base of ceramic and outer layer base of ceramic, and it between tubular metal shell and internal layer base of ceramic and outer layer base of ceramic, is fixedly connected respectively by sintered glass；Contact pin one end is plug connecting pin, and the other end is electrically connected jointing holes by a flexible connector；Flexible connector and plugging hole component are fixed on inside flexible sheath, and flexible sheath one end is fixed on the peripheral part of tubular metal shell, and the other end is equipped with docking channel, and the insert port of plugging hole component is connected with the docking channel；In flexible sheath, it is embedded with metallic shield net, the upper end peripheral part of electrical connection tubular metal shell is fixed in metallic shield net one end, and the other end is fixed on the flexible sheath madial wall of docking channel insert port circumference.The present invention can overcome the problems, such as easily occur defective insulation phenomenon between shell and contact pin, while can realize sealing and the shielding to external interference signals.
Description
Technical field
The present invention relates to the technical field of electric connectors converted and transmitted as electric signal, especially a kind of double-layer ceramic is close
Seal structure is electromagnetically shielded electric connector.
Background technology
Since petroleum equipment is all column structure, at present in the installation of electric connector and in use, generally using round knot
Structure designs, first, circular configuration can utilize the space of petroleum equipment to greatest extent；Second is that cylindrical-shaped structure is easily in column appearance
Ring seal slot is designed in face, and splendid sealing effect can be realized after seal groove installation sealing ring.Its shielding of round electric connector
Design is broadly divided into two kinds of shielding modes of metal mesh and metal tube：Wherein metal tube generally comprises following two as shielded layer：
One is metal tubes and connector global design；Another kind is that metal tube is connected with connector using welding manner.Metal tube is made
It can cause metal tube inside and metal tube and not easy cleaning and the nursing of electric connector junction for shielded layer, and weight is relatively
Weight, and metal mesh overcomes the shortcomings of metal tube as shielded layer as shielded layer, therefore a kind of metal mesh of design is as electromagnetic shielding
The electric connector of layer is more advantageous.
The electric connector function that is used due to petroleum equipment is different, working environment is also different, causes its structure and performance each
It is variant.Well liquid high-temperature, high pressure etc. need to be faced by being operated in the electric connector under oil well, while along with high pressure around it
Power cable and various transmission signal lines, this requires that be operated in electrical connection under oil well has sealing with high temperature resistance, high pressure
With the function of electromagnetism interference and signal cross-talk, and general electric connector cannot be satisfied requirement, thus design it is a have high temperature resistant,
High pressure resistant and splendid sealing effect electromagnetic shielding electric connector is particularly important.
Invention content
It is an object of the present invention to provide a kind of electromagnetic shielding hydraulic seal electric connectors that can directly plug, and can fit
Transmission and the conversion application for answering electric signal in oil well, overcome the problems, such as easily occur defective insulation phenomenon between shell and contact pin, together
When can realize sealing and the shielding to external interference signals.
The technical solution that the present invention takes is specially：A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector, including
Contact pin component, plugging hole component and the flexible sheath of coaxial arrangement；
Plugging hole component includes jack；Contact pin component includes the tubular metal shell set gradually from outside to inside, double-layer ceramic pedestal
And contact pin, double-layer ceramic pedestal include internal layer base of ceramic and outer layer base of ceramic, contact pin is made pottery with internal layer base of ceramic and outer layer
Between porcelain pedestal and between tubular metal shell and internal layer base of ceramic and outer layer base of ceramic, pass through sintered glass respectively
It is fixedly connected；Contact pin both ends are extended through to except double-layer ceramic pedestal, and wherein one end is plug connecting pin, and the other end passes through one
Flexible connector is electrically connected jointing holes；
Insert port is set on the opposite end of plugging hole component connecting contact pin one end；
Flexible connector and plugging hole component are fixed on inside flexible sheath, and flexible sheath one end is fixed on the outer of tubular metal shell
Circumference, the other end be equipped with plugging hole component it is coaxial dock channel, the insert port of plugging hole component is connected with the docking channel；
In flexible sheath, flexible connector, plugging hole component and the periphery for docking channel are equipped with metallic shield net, metallic shield
The upper end peripheral part that electrical connection tubular metal shell is fixed in one end is netted, the other end is pierced by flexible sheath madial wall, and is fixed on pair
It connects on the flexible sheath madial wall of road insert port circumference.
Flexible sheath can be used the vulcanization of rubber and form in the electric connector of the present invention, after the vulcanization of rubber by flexible connector,
The upper end of plugging hole component and contact pin component is wrapped up wherein, can ensure leakproofness.In use, the metallic shield in flexible sheath
On the one hand net can guarantee the insulation between shell and contact pin, while can be electrically connected with the shielded layer of external docking facilities, realize
Interference shielding after docking.External docking facilities can be oriented to through docking channel in the jack for being inserted into plugging hole component, since elasticity is protected
The setting of set and flexible connector so that electric connector itself has certain elasticity, therefore even if direction of insertion or insertion
Dynamics is difficult to hold, and still can ensure being easily inserted for external docking facilities, while electric connector itself will not be because being inserted into
In journey caused by direction of insertion or dynamics inaccuracy the Light deformations such as Compression and Expansion, and be damaged.
Preferably, internal layer base of ceramic and outer layer base of ceramic respectively include top base and bottom base；Internal layer base of ceramic
Bottom base be sheathed on periphery in the middle part of contact pin, top base is sheathed on contact pin upper periphery；The top base of outer layer base of ceramic is arranged
In the upper periphery of internal layer base of ceramic top base, bottom base is sheathed on lower part and the bottom base of internal layer base of ceramic top base
Upper periphery；Tubular metal shell upper end is sheathed on outer layer base of ceramic periphery, and the other end is sheathed under internal layer base of ceramic
Pedestal periphery；
The first lock chamber, internal layer are formed between the upper bottom base of internal layer base of ceramic, the bottom base and contact pin of outer layer base of ceramic
The second lock chamber is formed between the top base of base of ceramic, the upper bottom base of outer layer base of ceramic and tubular metal shell；It is described
It is separately filled with sintered glass in first lock chamber and the second lock chamber.
Further, contact pin mid diameter be less than both ends diameter so that the top base lower end inner wall of internal layer base of ceramic with
Between contact pin and between bottom base upper end inner wall and contact pin, it is respectively kept with melten glass filling gap.Between melten glass filling
The setting of gap is so that the fixation between contact pin and double-layer ceramic pedestal is relatively reliable, to ensure insulation performance.
Preferably, the flexible connector is spring；Jack is respectively equipped with spring with one end of contact pin connecting spring and connects
Portion, spring coupling part are equipped with the groove that shape is adapted with spring shape, and both ends of the spring is respectively welded in the groove.Bullet
It is circular common spring or other shape springs that axis projection, which can be used, in spring, groove shapes be designed as accordingly it is round or its
Its shape.
Preferably, plugging hole component further includes the pillar being coaxially disposed with jack, is interference fit between pillar and jack, shield
Jack periphery is fixed in pipe crimping.Pillar can play the role of protecting jack, avoid jack from deforming under external force, influence to insert
It pulls out.
Preferably, one end circumference of tubular metal shell towards plugging hole component is equipped with metallic shield net fixing groove, metal screen
The inside necking in end off the net is covered, and is fixedly welded in the metallic shield net fixing groove.
Preferably, the slot bottom interior angle of the metallic shield net fixing groove towards plugging hole component side is obtuse angle.That is the metal
The cell wall of gauze screen fixing groove tilts, and angle of inclination can close up with metallic shield net, and the angle to be formed is adaptable, and reduction makes for a long time
It is damaged with the shear stress formed to metallic shield net.
Preferably, docking channel inner circumferential is equipped with sealing ring or closure gasket groove.Sealing ring or closure gasket groove are for being electrically connected
Device dock with external docking facilities after to external seal, prevent liquid from entering electric connector from docking channel.Sealing ring is close
The setting of seal ring slot can be selected according to the shape of external docking facilities shell first, achieving the purpose that sealing.Sealing ring can be prominent
For the annular projection on docking vias inner walls surface, closure gasket groove, that is, annular recess.
Preferably, one end circumference of the connected flexible sheath of tubular metal shell is equipped with multiple fixed annular grooves, flexible sheath end
Portion's inner circumferential is clamped the fixed annular groove.
Preferably, tubular metal shell lower end circumference is equipped with external connection screw and multiple sealing rings successively from bottom to up.It is external
Screw thread is fixedly connected for electric connector and other external device (ED)s, sealing ring then realize it is fixed and meanwhile sealing.
Preferably, metallic shield net is the ampuliform woven mesh structure made of silver-colored red copper plating silk braiding, and mesh density is
50 ~ 100 mesh.
Advantageous effect
Compared with prior art, the present invention has the following advantages and improves：
1）The double-layer ceramic base construction of contact pin component, improves the phenomenon that being effectively improved electric connector defective insulation simultaneously
Sealing performance so that electric connector can be applied in the liquid environment of high temperature and pressure；
2）Pass through flexible connector and realize being electrically connected between contact pin and jack, it is ensured that electric connector and external docking facilities it
Between electrical connection, can there are force-extension or bending in the case of, still ensure that electrical connection properties；
3）Flexible sheath and being used cooperatively for metallic shield net effectively shield interference of the external electromagnetic field to electrical connector interior,
The setting of flexible sheath and multiple sealing rings can avoid outside liquid and enter electrical connector interior.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 2 is a kind of metal shell structure schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 3 is a kind of contact pin structure schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 4 is a kind of jack structure schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 5 is a kind of pillar structural schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 6 is a kind of jack assembly structural schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 7 is a kind of spring structure schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 8 is a kind of gauze screen structural schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Fig. 9 is a kind of base of ceramic a structural schematic diagrams of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Figure 10 is a kind of base of ceramic b structural schematic diagrams of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Figure 11 is a kind of base of ceramic aa structural schematic diagrams of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Figure 12 is a kind of base of ceramic bb structural schematic diagrams of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
Figure 13 is a kind of tail structure partial schematic diagram of double-layer ceramic sealing structure electromagnetic shielding electric connector of the present invention；
In figure：1- contact pins, 2- base of ceramic a（The bottom base of internal layer base of ceramic）, 3- metal shells, 4- base of ceramic aa（Outside
The bottom base of layer base of ceramic）, 5- base of ceramic b（The top base of internal layer base of ceramic）, 6- base of ceramic bb（Outer layer ceramic base
The top base of seat）, 7- glass billets a（First lock chamber）, 8- glass billets b（Second lock chamber）, 9- gauze screens, 10- springs, 11-
Jack, 12- pillars, 13- rubber sheaths, 14- seal grooves.
Specific implementation mode
It is further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
Refering to what is shown in Fig. 1, double-layer ceramic sealing structure is electromagnetically shielded electric connector, including the contact pin component of coaxial arrangement, jack
Component and flexible sheath 13；
Plugging hole component includes jack 11；Contact pin component includes the tubular metal shell 3 set gradually from outside to inside, double-layer ceramic base
Seat and contact pin 1, double-layer ceramic pedestal include internal layer base of ceramic and outer layer base of ceramic, and contact pin 1 is with internal layer base of ceramic and outside
Between layer base of ceramic and between tubular metal shell and internal layer base of ceramic and outer layer base of ceramic, pass through sintering respectively
Glass is fixedly connected；1 both ends of contact pin are extended through to except double-layer ceramic pedestal, and wherein one end is plug connecting pin, the other end
It is electrically connected jointing holes 11 by a flexible connector 10；
Insert port is set on the opposite end of plugging hole component connecting contact pin one end；
Flexible connector 10 and plugging hole component are fixed on inside flexible sheath 13, and 13 one end of flexible sheath is fixed on outside tubular metal
The peripheral part of shell 3, the other end be equipped with plugging hole component it is coaxial dock channel, the insert port of plugging hole component docks channel with described
It is connected；
In flexible sheath 13, flexible connector 10, plugging hole component and the periphery for docking channel are equipped with metallic shield net 9, metal
The upper end peripheral part of electrical connection tubular metal shell 3 is fixed in 9 one end of gauze screen, and the other end is pierced by 13 madial wall of flexible sheath, and
It is fixed on 13 madial wall of flexible sheath of docking channel insert port circumference.
Flexible sheath can be used the vulcanization of rubber and form in the electric connector of the present invention, after the vulcanization of rubber by flexible connector,
The upper end of plugging hole component and contact pin component is wrapped up wherein, can ensure leakproofness.In use, the metallic shield in flexible sheath
On the one hand net can guarantee the insulation between shell and contact pin, while can be electrically connected with the shielded layer of external docking facilities, realize
Interference shielding after docking.External docking facilities can be oriented to through docking channel in the jack for being inserted into plugging hole component, since elasticity is protected
The setting of set and flexible connector so that electric connector itself has certain elasticity, therefore even if direction of insertion or insertion
Dynamics is difficult to hold, and still can ensure being easily inserted for external docking facilities, while electric connector itself will not be because being inserted into
In journey caused by direction of insertion or dynamics inaccuracy the Light deformations such as Compression and Expansion, and be damaged.
In conjunction with Fig. 1 and Fig. 9 to Figure 12, internal layer base of ceramic and outer layer base of ceramic respectively include top base and bottom base；
The bottom base 2 of internal layer base of ceramic is sheathed on 1 middle part periphery of contact pin, and top base 5 is sheathed on 1 upper periphery of contact pin；Outer layer ceramics
The top base 6 of pedestal is sheathed on the upper periphery of internal layer base of ceramic top base 5, and bottom base 4 is sheathed on internal layer base of ceramic
The upper periphery of the lower part and bottom base 2 of pedestal 5；3 upper end of tubular metal shell is sheathed on outer layer base of ceramic periphery, lower end cap
Set on 2 periphery of bottom base of internal layer base of ceramic；
The first lock chamber 7 is formed between the upper bottom base of internal layer base of ceramic, the bottom base 4 of outer layer base of ceramic and contact pin 1, it is interior
The second lock chamber 8 is formed between the top base 2 of layer base of ceramic, the upper bottom base and tubular metal shell 3 of outer layer base of ceramic；
It is separately filled with sintered glass in first lock chamber, 7 and second lock chamber 8.
Such as Fig. 1,1 mid diameter of contact pin is less than both ends diameter so that 5 lower end inner wall of top base of internal layer base of ceramic with insert
Between needle 1 and between 2 upper end inner wall of bottom base and contact pin 1, it is respectively kept with melten glass filling gap.Melten glass is filled
The setting in gap is so that the fixation between contact pin and double-layer ceramic pedestal is relatively reliable, to ensure insulation performance.
To advanced optimize the fixation reliability between contact pin and base of ceramic, the top base periphery of internal layer base of ceramic is set
Fluted, the top base lower inner side wall of outer layer base of ceramic is inclined outwardly, and bottom base upper end lateral wall slopes inwardly.Make two
A lock chamber is the cavity of irregular contour, and sintered glass frit is caught in each filling gap at cavity edge, can be into one
Step ensures leakproofness, stationarity and insulating properties.
In conjunction with Fig. 1 and Fig. 7, flexible connector 10 is spring；One end of 1 connecting spring 10 of jack 11 and contact pin is respectively equipped with
Spring coupling part, spring coupling part are equipped with the groove that shape is adapted with spring shape, and both ends of the spring is respectively welded in described
In groove.It is that circular common spring or other shape springs, groove shapes design accordingly that axis projection, which can be used, in spring
For round or other shapes.
Such as Fig. 6, plugging hole component further includes the pillar 12 being coaxially disposed with jack, is matched for interference between pillar 12 and jack 11
It closes, 11 periphery of jack is fixed in the crimping of pillar 12.Pillar can play the role of protecting jack, and jack is avoided to become under external force
Shape influences to plug.
As one end circumference of Fig. 2, tubular metal shell 3 towards plugging hole component are equipped with metallic shield net fixing groove, metal screen
The inside necking in end off the net is covered, and is fixedly welded in the metallic shield net fixing groove.
The be connected one end circumference of flexible sheath 13 of tubular metal shell 3 is equipped with multiple fixed annular grooves, in flexible sheath end
Week is clamped the fixed annular groove.
3 lower end circumference of tubular metal shell is equipped with external connection screw and multiple sealing rings successively from bottom to up.External connection screw is used
In being fixedly connected for electric connector and other external device (ED)s, sealing ring then realizes fixed sealing simultaneously.
With reference to figure 8, metallic shield net 9 is the ampuliform woven mesh structure made of silver-colored red copper plating silk braiding, mesh density
For 50 ~ 100 mesh.The slot bottom interior angle of metallic shield net fixing groove towards plugging hole component side is obtuse angle.I.e. the metallic shield net is solid
The cell wall for determining slot tilts, and angle of inclination can close up with metallic shield net, and the angle to be formed is adaptable, and reduction is used for a long time to metal
The shear stress damage that gauze screen is formed.
With reference to figure 13, docking channel inner circumferential is equipped with sealing ring or closure gasket groove 14.Sealing ring or closure gasket groove are for electricity
Connector dock with external docking facilities after to external seal, prevent liquid from entering electric connector from docking channel.Sealing ring
Or the setting of closure gasket groove can be selected according to the shape of external docking facilities shell first, achieving the purpose that sealing.Sealing ring can
To protrude from the annular projection on docking vias inner walls surface, closure gasket groove, that is, annular recess.
Embodiment 2
With reference to figure 1, in the present embodiment, double-layer ceramic sealing structure is electromagnetically shielded electric connector, mainly by contact pin 1, base of ceramic a
2, metal shell 3, base of ceramic aa 4, base of ceramic b 5, base of ceramic bb 6, glass billet a 7, glass billet b 8, gauze screen
9, spring 10, jack 11, pillar 12, rubber sheath 13, seal groove 14 are constituted.
The double-layer ceramic sealing structure electromagnetic shielding electric connector of the present embodiment can be realized by following processing step：
The first step, parts assembling；By contact pin 1, base of ceramic a 2, base of ceramic aa 4, base of ceramic b 5, base of ceramic bb
6, glass billet a 7, glass billet b 8 are packed into metal shell 3, wherein base of ceramic a 2, base of ceramic b 5 and glass billet a 7
Constitute internal layer glass-ceramic structure；Base of ceramic aa 4, base of ceramic bb 6 and glass billet b 8 constitute outer layer glass-ceramic knot
Structure；
Second step：Parts after assembling are packed into metal shell 3 and are sintered, sinter double-layer ceramic sealing component into；Its
Middle base of ceramic a 2, base of ceramic b 5 and glass billet a 7 constitute internal layer glass-ceramic sealing structure；Base of ceramic aa 4, pottery
Porcelain pedestal bb 6 and glass billet b 8 constitutes outer layer glass-ceramic sealing structure；After sintering, glass billet a 7 and metal shell 3, pottery
Porcelain pedestal aa 4, base of ceramic bb 6, base of ceramic b 5 are tightly connected, glass billet b 8 and contact pin 1, base of ceramic a 2, ceramics
Pedestal aa 4, base of ceramic b 5 are tightly connected；Ectonexine sealing structure passes through base of ceramic aa 4 and base of ceramic b 5 connections
At a double-layer ceramic sealing structure；Base of ceramic b 5 is flushed with 6 tail ends of base of ceramic bb；
Third walks：By jack 11, pillar 12 using interference fit, crimp at jack assembly, shown in Fig. 6；
4th step：10 both ends of spring are respectively welded in the circular groove of contact pin 1 and jack 11, realize plugging hole component and contact pin
Double-layer ceramic seals the electrical connection of component；And 1 trailing end outer diameter of contact pin is equal with the outer diameter of jack 11.
5th step：9 one end of metallic shield net is welded in the slope fluting of 3 tail end of tubular metal shell, and metal screen
It is parallel with 3 tail end of tubular metal shell and be in close contact to cover net 9；
6th step：The vulcanization of rubber is handled；Gauze screen 9, spring 10 and plugging hole component are vulcanized into the flexible sheath 13 in rubber material
Interior, seal groove 14 is arranged in 13 tail end of rubber sheath, and 9 tail end of metallic shield net is overlapped with 13 tail end of rubber sheath, rubber pillar 13
Top is in close contact with tubular metal shell 3, and rubber pillar 13 is fixed and realized by three grooves of 3 tail end of metal shell
Sealing between rubber pillar 13 and double-layer ceramic sealing component.
Referring to Fig.2,3 top of tubular metal shell uses Design of Screw Thread, realize 3 top of tubular metal shell and butt end it
Between thread seal and pressure-bearing effect；3 tail end of tubular metal shell is using three groove designs are opened, and wherein the last one slot is oblique
The welding of gauze screen 9 is convenient in slope slot design, and gauze screen 9 is in close contact with slope slot and 3 tail end of tubular metal shell, three
Another effect of groove is the rubber sheath 13 after the fixed vulcanization of rubber, and plays rubber pillar 13 and closed with double-layer ceramic sealing
Sealing function between part.
Refering to Fig. 3,1 tail end of contact pin（Upper end）Opened round groove, the diameter and spring of the circular groove that 1 tail end of contact pin is opened
10 outer diameters are equal, and 10 one end of spring is put into the circular groove of 1 tail end of contact pin and is welded, and 1 trailing end outer diameter of contact pin is smaller
In the outer diameter of base of ceramic b 5；1 middle and upper part periphery open loop connected in star of contact pin, annular groove center is with glass billet a's 7
Center flushes, which is used to increase the contact area of glass billet a 7 and contact pin 1, at the same accommodate glass billet a 7 because
It is sintered the swelling volume generated.
Refering to Fig. 5, a kind of double-layer ceramic sealing structure of the invention is electromagnetically shielded the jack 11 and pillar 12 of electric connector
It through interference fit, crimps into jack assembly shown in fig. 6, spring 10 is then welded on by inserting for jack assembly by welding manner
On the contact pin 1 of hole 11 and double-layer ceramic sealing component.
Refering to Fig. 4,11 top opened round groove of jack, circular groove diameter is identical as 10 outer diameter of spring；Spring 10 is another
One end is put into the 11 top circular groove of jack of jack assembly and is welded, and the outer diameter of contact pin 1 trailing end outer diameter and jack 11
Equal, 1 tail end circular groove diameter of contact pin is equal with the circular groove diameter on 11 top of jack.
Refering to Fig. 7,10 outer diameter of spring is identical as the diameter of contact pin 1 and the circular groove of jack 11, and beryllium blueness can be used in spring
Jack assembly and double-layer ceramic sealing component are electrically connected by copper material, good electric conductivity；When external butt end
When being docked with jack assembly, spring can play rigid connection.
Refering to Fig. 8, metallic shield net 9 is no magnetic, wear-resisting silver-colored red copper plating silk weaves, and mesh density is 50 mesh,
Shape is column or ampuliform woven mesh structure.
Refering to Fig. 9, base of ceramic a 2 in tubular construction, rear end in base of ceramic a 2（Middle upper end）It designs one and falls in periphery
Clamped, when convenient for the being sintered fixation of size of the angle for base of ceramic a 2 and tubular metal shell 3.
Refering to fig. 10, base of ceramic b 5 in tubular construction, top（Lower end）Equipped with slope for increase glass a 7 with
The contact area of base of ceramic b 5；5 middle part open loop connected in stars of base of ceramic b expand after sintering for accommodating glass billet b 8
Volume.
In tubular construction, the internal diameter at 4 both ends base of ceramic aa is different, base of ceramic aa by refering to fig. 11, base of ceramic aa 4
4 top internal diameters are identical as the outer diameter of 2 tail ends of base of ceramic a, and 4 tail end internal diameters of base of ceramic aa are maximum outer with base of ceramic b 5
Diameter is identical.
Refering to fig. 12, in tubular construction, internal diameter is identical as 5 maximum outside diameters of base of ceramic b by base of ceramic bb 6.
Refering to fig. 13,9 tail end of gauze screen is overlapped with 13 tail end of rubber sheath, and rubber sheath 13 does not wrap up gauze screen 9, screen
The inner surface of 9 tail end of net and the inner surface of 13 tail end of rubber sheath are covered in a face so that rubber shield is inserted into external butt end
When set 13 is docked with jack 11, metal and the gauze screen 9 of external docking facilities are in close contact；In order to realize external butt end and this
A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector of invention is sealed docking, is arranged in 13 tail end of rubber sheath close
Sealing groove 14, seal groove 14 can have realization effect sealing, prevent environmental liquids from entering one kind of the present invention from 13 tail end of rubber sheath
Double-layer ceramic sealing structure is electromagnetically shielded the inside of electric connector, and leads to the failures such as short circuit.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of double-layer ceramic sealing structure is electromagnetically shielded electric connector, characterized in that contact pin component including coaxial arrangement is inserted
Aperture member and flexible sheath；
Plugging hole component includes jack；Contact pin component includes the tubular metal shell set gradually from outside to inside, double-layer ceramic pedestal
And contact pin, double-layer ceramic pedestal include internal layer base of ceramic and outer layer base of ceramic, contact pin is made pottery with internal layer base of ceramic and outer layer
Between porcelain pedestal and between tubular metal shell and internal layer base of ceramic and outer layer base of ceramic, pass through sintered glass respectively
It is fixedly connected；Contact pin both ends are extended through to except double-layer ceramic pedestal, and wherein one end is plug connecting pin, and the other end passes through one
Flexible connector is electrically connected jointing holes；
Insert port is set on the opposite end of plugging hole component connecting contact pin one end；
Flexible connector and plugging hole component are fixed on inside flexible sheath, and flexible sheath one end is fixed on the outer of tubular metal shell
Circumference, the other end be equipped with plugging hole component it is coaxial dock channel, the insert port of plugging hole component is connected with the docking channel；
In flexible sheath, flexible connector, plugging hole component and the periphery for docking channel are equipped with metallic shield net, metallic shield
The upper end peripheral part that electrical connection tubular metal shell is fixed in one end is netted, the other end is pierced by flexible sheath madial wall, and is fixed on pair
It connects on the flexible sheath madial wall of road insert port circumference.
2. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that internal layer ceramic base
Seat and outer layer base of ceramic respectively include top base and bottom base；The bottom base of internal layer base of ceramic is sheathed on outer in the middle part of contact pin
Week, top base are sheathed on contact pin upper periphery；The top base of outer layer base of ceramic is sheathed on the upper of internal layer base of ceramic top base
Portion periphery, bottom base are sheathed on the upper periphery of the lower part and bottom base of internal layer base of ceramic top base；On tubular metal shell
End cap is set to outer layer base of ceramic periphery, and the other end is sheathed on the bottom base periphery of internal layer base of ceramic；
The first lock chamber, internal layer are formed between the upper bottom base of internal layer base of ceramic, the bottom base and contact pin of outer layer base of ceramic
The second lock chamber is formed between the top base of base of ceramic, the upper bottom base of outer layer base of ceramic and tubular metal shell；It is described
It is separately filled with sintered glass in first lock chamber and the second lock chamber.
3. double-layer ceramic sealing structure according to claim 2 is electromagnetically shielded electric connector, characterized in that straight in the middle part of contact pin
Diameter is less than both ends diameter so that between the top base lower end inner wall and contact pin of internal layer base of ceramic and the inner wall of bottom base upper end
Between contact pin, it is respectively kept with melten glass filling gap.
4. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that the elasticity is even
Fitting is spring；One end of jack and contact pin connecting spring is respectively equipped with spring coupling part, spring coupling part be equipped with shape with
The adaptable groove of spring shape, both ends of the spring are respectively welded in the groove.
5. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that plugging hole component is also
Include the pillar being coaxially disposed with jack, is interference fit between pillar and jack, jack periphery is fixed in pillar crimping.
6. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that outside tubular metal
One end circumference of shell towards plugging hole component is equipped with metallic shield net fixing groove, the inside necking in metallic shield end off the net, and welds solid
Due in the metallic shield net fixing groove.
7. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that the metal screen
The slot bottom interior angle for covering net fixing groove towards plugging hole component side is obtuse angle.
8. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that in docking channel
It is circumferentially with sealing ring or closure gasket groove.
9. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that outside tubular metal
One end circumference of the connected flexible sheath of shell is equipped with multiple fixed annular grooves, and flexible sheath end inner circumferential is clamped the fixed annular groove.
10. double-layer ceramic sealing structure according to claim 1 is electromagnetically shielded electric connector, characterized in that tubular metal
Shell lower end circumference is equipped with external connection screw and multiple sealing rings successively from bottom to up.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810104570.3A CN108281818B (en) | 2018-02-02 | 2018-02-02 | Electromagnetic shielding electric connector with double-layer ceramic sealing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810104570.3A CN108281818B (en) | 2018-02-02 | 2018-02-02 | Electromagnetic shielding electric connector with double-layer ceramic sealing structure |
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| CN108281818A true CN108281818A (en) | 2018-07-13 |
| CN108281818B CN108281818B (en) | 2024-01-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802270A (en) * | 2019-01-16 | 2019-05-24 | 苏州华旃航天电器有限公司 | A kind of multi-core coaxial conversation sealing electric connector and manufacture craft |
| WO2021036400A1 (en) * | 2019-08-23 | 2021-03-04 | 苏州华旃航天电器有限公司 | Multi-core glass sintered shielding electrical connector assembly |
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| US20020132503A1 (en) * | 2001-03-13 | 2002-09-19 | Yazaki Corporation | Shield connector |
| CN104362455A (en) * | 2014-11-11 | 2015-02-18 | 苏州华旃航天电器有限公司 | Glass-sealed electric coupler with elastic butting end |
| CN104409917A (en) * | 2014-11-11 | 2015-03-11 | 苏州华旃航天电器有限公司 | Through-wall electric connector with glass sintering sealing structure |
| CN106785696A (en) * | 2016-12-28 | 2017-05-31 | 国核自仪系统工程有限公司 | For the triaxial cable coupling assembly of nuclear reactor out-pile Nuclear measurement system |
| CN208045768U (en) * | 2018-02-02 | 2018-11-02 | 苏州华旃航天电器有限公司 | A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector |
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| US20020132503A1 (en) * | 2001-03-13 | 2002-09-19 | Yazaki Corporation | Shield connector |
| CN104362455A (en) * | 2014-11-11 | 2015-02-18 | 苏州华旃航天电器有限公司 | Glass-sealed electric coupler with elastic butting end |
| CN104409917A (en) * | 2014-11-11 | 2015-03-11 | 苏州华旃航天电器有限公司 | Through-wall electric connector with glass sintering sealing structure |
| CN106785696A (en) * | 2016-12-28 | 2017-05-31 | 国核自仪系统工程有限公司 | For the triaxial cable coupling assembly of nuclear reactor out-pile Nuclear measurement system |
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| CN109802270A (en) * | 2019-01-16 | 2019-05-24 | 苏州华旃航天电器有限公司 | A kind of multi-core coaxial conversation sealing electric connector and manufacture craft |
| WO2021036400A1 (en) * | 2019-08-23 | 2021-03-04 | 苏州华旃航天电器有限公司 | Multi-core glass sintered shielding electrical connector assembly |
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| Publication number | Publication date |
|---|---|
| CN108281818B (en) | 2024-01-23 |
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