CN110518402B - Ceramic skeleton injection molding electric connector and manufacturing process - Google Patents
Ceramic skeleton injection molding electric connector and manufacturing process Download PDFInfo
- Publication number
- CN110518402B CN110518402B CN201910753591.2A CN201910753591A CN110518402B CN 110518402 B CN110518402 B CN 110518402B CN 201910753591 A CN201910753591 A CN 201910753591A CN 110518402 B CN110518402 B CN 110518402B
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- injection molding
- peek
- supporting seat
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- 239000000919 ceramic Substances 0.000 title claims abstract description 119
- 238000001746 injection moulding Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 69
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 69
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 16
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004413 injection moulding compound Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
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- 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
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- 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
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- 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
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a ceramic skeleton injection molding electric connector which comprises a ceramic skeleton, a supporting seat, a plurality of contact pieces, an upper injection molding PEEK body and a lower injection molding PEEK body, wherein the ceramic skeleton is arranged at the upper part, the supporting seat is arranged at the lower part, the ceramic skeleton and the supporting seat are coaxially arranged, the plurality of contact pieces penetrate through the ceramic skeleton and the supporting seat, the upper injection molding PEEK body is arranged between the ceramic skeleton and the plurality of contact pieces, and the lower injection molding PEEK body is arranged among the ceramic skeleton, the supporting seat and the plurality of contact pieces. The invention also relates to a manufacturing process of the ceramic skeleton injection molding electric connector. According to the invention, the sealing of the connector is realized through the matching of the upper injection molding PEEK body with the internal thread and the thread section and the matching of the lower injection molding PEEK body with the external thread, the pressure bearing function of the connector is realized through the matching of the ceramic framework and the support ring, and the damage caused by the direct contact of the ceramic and the outside can be avoided; the ceramic skeleton electric connector improves the bearing capacity of the petroleum injection molding connector to be resistant to 210MPa and the temperature resistance to 250 ℃ from the aspect of overall performance.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to an injection molding electric connector with a ceramic framework and a manufacturing process thereof.
Background
At present, the connector structure in the petroleum and natural gas field is mainly divided into a bearing structure and a non-bearing structure, wherein the bearing connector is divided into a glass sintering connector and a PEEK injection molding connector, the glass sintering connector has stronger bearing capacity and higher temperature resistance than the PEEK injection molding connector, but the insulation of the glass sintering connector in a humid environment is reduced to a certain extent, and the normal use of equipment cannot be met.
Because downhole electrical connectors for oil and gas production generally need to withstand high water pressures and temperatures, their own performance and structure are closely related to the environment. The electric connector working in the liquid and slurry needs to face the environments of high temperature, high water pressure, impact and the like of well liquid, the connector working in the drill rod faces the ultra-high temperature environment, and the electric connector with high temperature resistance, high pressure resistance, good sealing effect and good insulating property is urgently needed.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides a ceramic skeleton injection molding electric connector and a manufacturing process thereof, which solve the technical problems of insufficient insulation under high-temperature and high-pressure conditions of a glass sintering connector and insufficient pressure bearing under high-temperature and high-pressure conditions of a PEEK injection molding connector in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an electric connector is moulded plastics to pottery skeleton, includes pottery skeleton, supporting seat, a plurality of contact, goes up the PEEK body of moulding plastics and the PEEK body of moulding plastics down, the pottery skeleton is located upper portion, the supporting seat is located the lower part, the pottery skeleton with the supporting seat is coaxial to be set up, and is a plurality of the contact runs through pottery skeleton and supporting seat, go up the PEEK body of moulding plastics and set up ceramic skeleton and a plurality of between the contact, the PEEK body of moulding plastics sets up down ceramic skeleton, supporting seat and a plurality of between the contact.
In a preferred embodiment of the present invention, the ceramic skeleton injection molding electrical connector further includes a ceramic skeleton having a cylindrical shape, and a ceramic skeleton groove and a ceramic skeleton mounting hole which are communicated with each other are provided in the ceramic skeleton.
In a preferred embodiment of the present invention, the injection molding electrical connector for a ceramic skeleton further includes an inner wall of the ceramic skeleton groove provided with an inner thread, and an outer wall of the ceramic skeleton is provided with an outer thread and a first seal groove.
In a preferred embodiment of the present invention, the ceramic skeleton injection molding electric connector further includes a first mounting hole and a second mounting hole, wherein the first mounting hole and the second mounting hole are arranged up and down, the aperture of the first mounting hole is smaller than the aperture of the second mounting hole, and the aperture of the first mounting hole is larger than the outer diameter of the contact piece.
In a preferred embodiment of the present invention, the ceramic skeleton injection molding electrical connector further includes a support seat having a cylindrical shape, wherein the upper end surface and the lower end surface of the support seat are respectively provided with a first groove and a second groove, the bottom of the first groove is provided with a plurality of support seat mounting holes and a plurality of material passing holes, and a plurality of support seat mounting holes and a plurality of material passing holes are all communicated with the second groove.
In a preferred embodiment of the present invention, the ceramic skeleton injection molding electric connector further includes at least one limiting groove disposed on a side wall of the first groove.
In a preferred embodiment of the present invention, a ceramic skeleton injection molded electrical connector further includes the depth of the first recess being greater than the depth of the second recess.
In a preferred embodiment of the present invention, the ceramic skeleton injection molding electric connector further includes that the contact member includes a ball head section, a first polish rod section, a thread section, a ring table section, a second polish rod section, a periodic groove section and a welding cup section, which are sequentially connected.
In a preferred embodiment of the invention, the injection molding electrical connector of the ceramic skeleton further comprises a plurality of PEEK ring platforms arranged on the upper injection molding PEEK body, the PEEK ring platforms wrap the contact pieces, and PEEK bosses are arranged on the lower injection molding PEEK body.
The manufacturing process of the ceramic skeleton injection molding electric connector comprises the following steps:
(1) Placing the bottom of the ceramic framework in a supporting seat, wherein the ceramic framework and the supporting seat are coaxially placed;
(2) Penetrating the contact piece through the ceramic framework and the supporting seat to complete the assembly of the ceramic framework, the supporting seat and the contact piece;
(3) Positioning the assembled contact piece, the support ring and the ceramic skeleton in an injection mold, injecting PEEK material into the injection mold to form an upper injection PEEK body and a lower injection PEEK body, wherein the ceramic skeleton, the support seat, the contact piece, the upper injection PEEK body and the lower injection PEEK body form an injection molding assembly;
(4) And turning the injection molding assembly to form the ceramic skeleton injection molding electric connector.
The invention solves the defects in the background technology, the sealing of the connector is realized through the matching of the upper injection molding PEEK body with the internal thread and the thread section and the matching of the lower injection molding PEEK body with the external thread, the matching of the ceramic framework and the supporting ring realizes the bearing function of the connector, and the damage caused by the direct contact of the ceramic with the outside can be avoided; glazing treatment is carried out on the first sealing groove, so that sealing contact between ceramic and an O-shaped ring can be ensured; the ceramic skeleton electric connector improves the bearing capacity of the petroleum injection molding connector to be resistant to 210MPa and the temperature resistance to 250 ℃ from the aspect of overall performance.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the structure of an injection molding compound of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a ceramic skeleton of a preferred embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a support base according to a preferred embodiment of the present invention;
FIG. 5 is a top view of a support base of a preferred embodiment of the present invention;
fig. 6 is a schematic structural view of a contact according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
As shown in fig. 1, a ceramic skeleton injection molding electric connector comprises a ceramic skeleton 1, a supporting seat 2, a plurality of contact pieces 3, an upper injection molding PEEK body 4 and a lower injection molding PEEK body 5, wherein the ceramic skeleton 1 is positioned at the upper part, the supporting seat 2 is positioned at the lower part, the ceramic skeleton 1 and the supporting seat 2 are coaxially arranged, the plurality of contact pieces 3 penetrate through the ceramic skeleton 1 and the supporting seat 2, the upper injection molding PEEK body 4 is arranged between the ceramic skeleton 1 and the plurality of contact pieces 3, and the lower injection molding PEEK body 5 is arranged between the supporting seat 2 and the plurality of contact pieces 3.
In the invention, the ceramic framework 1 is preferably cylindrical, and a ceramic framework groove 101 and a ceramic framework mounting hole which are communicated are arranged in the ceramic framework 1. The ceramic skeleton 1 preferably has a large outer diameter at the upper part and a small outer diameter at the lower part. The inner wall of ceramic skeleton recess 101 is provided with internal thread 102, and the outer wall of ceramic skeleton 1 is provided with external thread 103 and first seal groove 104. The first seal groove 104 is glazed to increase the surface smoothness, so that the seal ring is convenient to install. The internal thread 102 and the external thread 103 are both subjected to rough treatment, so that the surface roughness is increased, and the combination and the tightness of the ceramic skeleton 1, the upper injection PEEK body 4 and the lower injection PEEK body 5 are effectively ensured during injection molding. The ceramic skeleton mounting hole includes first mounting hole 105 and the second mounting hole 106 that set up from top to bottom, and second mounting hole 106 runs through ceramic skeleton 1, and the aperture of first mounting hole 105 is less than the aperture of second mounting hole 106, and the aperture of first mounting hole 105 is greater than the external diameter of contact 3, guarantees that contact 3 runs through first mounting hole 105 smoothly, can not make contact 3 take place too big rocking again, and the electrical insulation between contact 3 and the supporting seat 2 can effectively be guaranteed to the PEEK body 5 packing second mounting hole 106 of moulding plastics down.
In the invention, the support seat 2 is preferably cylindrical, the upper end surface and the lower end surface of the support seat 2 are respectively provided with a first groove 201 and a second groove 202, the bottom of the first groove 201 is provided with a plurality of support seat mounting holes 203 and a plurality of material passing holes 204, and the plurality of support seat mounting holes 203 and the plurality of material passing holes 204 are communicated with the second groove 202. The depth of the first recess 201 is greater than the depth of the second recess 202. Preferably, the plurality of support seat mounting holes 203 are symmetrically distributed in a rectangular shape. Preferably, the number of the material passing holes 204 is four, the material passing holes 204 are circular, the circle centers of the four material passing holes 204 are positioned on the same circumference, the aperture of the material passing holes 204 is larger than 3mm, and the PEEK material can conveniently pass through during injection molding. The position degree of the supporting seat mounting hole 203 is consistent with the position degree of the ceramic framework mounting hole, and the aperture of the supporting seat mounting hole 203 is larger than the outer diameter of the contact piece 3, so that the PEEK body 5 can be filled between the supporting seat mounting hole 203 and the contact piece 3, and the electrical insulation between the supporting seat 2 and the contact piece 3 is ensured. The side wall of the first groove 201 is provided with at least one limiting groove 205, and rotation during processing can be avoided through the arrangement of the limiting groove 205, so that an anti-rotation effect is achieved. The material passing hole 204 is partially positioned in the limit groove 205. Preferably, the limiting grooves 205 are rectangular, the number of the limiting grooves 205 is four, the limiting grooves 205 are arranged in pairs, the distance between the two opposite limiting grooves 205 is larger than the inner diameter of the first groove 201, the width of the limiting groove 205 is slightly smaller than the inner diameter of the first groove 21 which is 1/4 of the width of the limiting groove 205, and the depth of the limiting groove 205 is the same as the depth of the first groove 201. The bottom of supporting seat 2 is provided with locating hole 206, is convenient for realize the location of supporting seat 2 in injection mold.
The preferred contact 3 of the invention comprises a ball head section 301, a first polished rod section 302, a threaded section 303, a ring platform section 304, a second polished rod section 305, a periodical groove section 306 and a welding cup section 307 which are sequentially connected, wherein the outer diameter of the ring platform section 304 is larger than the inner diameter of the first mounting hole 105, the ring platform section 304 is arranged on the bottom wall of the ceramic skeleton groove 101, the axial positions of the contact 3 and the ceramic skeleton 1 are positioned through the ring platform section 304, the ball head section 301 is positioned at the ceramic skeleton end, and the welding cup section 307 is positioned at the supporting seat end. Preferably, the outer diameters of the ball head segment 301, the first polish rod segment 302, the second polish rod segment 305, the periodic groove segment 306 and the weld cup segment 307 are the same and slightly smaller than the aperture of the first mounting hole 105.
According to the invention, the PEEK body 4 is preferably provided with the PEEK ring platforms 401, the PEEK ring platforms 401 wrap the contact pieces 3, the PEEK boss 501 is arranged on the lower injection PEEK body 5, the creepage distance is increased through the PEEK ring platforms 401 and the PEEK boss 501, the pressure resistance and the insulation performance are improved, and the effective connection between the support seat 2 and the ceramic framework 1 is ensured through the PEEK boss 501. A second seal groove 502 is arranged on the lower injection molding PEEK body 5. The end face of the pressure-bearing end of the upper injection-molded PEEK body 4 is flush with the upper end face of the ceramic framework 1. The PEEK boss 501 wraps around the first polish rod section 302 of the contact 3.
Specifically, the seal of the electrical connector of the present embodiment includes six seal loops, which form a seal loop one, from the threaded section 303 of the contact 3 to the internal thread 102 of the ceramic skeleton 1; a second sealing loop is formed by the thread section 303 of the contact element 3, the annular table section 304 of the contact element 3 and the second polished rod section 305 of the contact element 3 to the periodical groove section 306 of the contact element 3; a sealing loop III is formed by the thread section 303 of the contact element 3, the annular table section 304 of the contact element 3 and the second polish rod section 305 of the contact element 3 to the external thread 103 of the ceramic skeleton 1; a sealing circuit IV is formed by the internal thread 102 of the ceramic skeleton 1, the second polish rod section 305 of the contact 3 and the periodic groove section 306 of the contact 3; a sealing loop V is formed by the internal thread 102 of the ceramic skeleton 1, the annular bench section 304 of the contact piece 3 and the second polish rod section 305 of the contact piece 3 to the external thread 103 of the ceramic skeleton 1; the sealing loop six is formed from the periodic groove section 306 of the contact 3 to the external thread 103 of the ceramic framework 1, wherein the internal thread 12 of the ceramic framework 1, the external thread 103 of the ceramic framework 1, the thread section 303 of the contact 3 and the periodic groove section 306 of the contact 3 are all of a sealing design, and the sealing performance of injection molding is effectively ensured.
The manufacturing process of the ceramic skeleton injection molding electric connector comprises the following steps:
(1) The bottom of the ceramic framework 1 is placed in the supporting seat 2, and the ceramic framework 1 and the supporting seat 2 are coaxially placed. Specifically, the bottom of the ceramic skeleton 1 is placed in the first groove 201 of the supporting seat 2, and the ceramic skeleton mounting hole is axially aligned with the supporting seat mounting hole 203.
(2) The contact 3 penetrates through the ceramic framework 1 and the supporting seat 2, and the assembly of the ceramic framework 1, the supporting seat 2 and the contact 3 is completed. Specifically, the welding cup section 307 of the contact 3 sequentially passes through the ceramic skeleton groove 101, the first mounting hole 105, the second mounting hole 106, the first groove 201, the supporting seat mounting hole 203 and the second groove 202 from top to bottom, and the ring bench section 304 of the contact 3 abuts against the bottom wall of the ceramic skeleton groove 101.
(3) The assembled ceramic framework 1, the support seat 2 and the contact piece 3 are fixed in an injection mold, PEEK materials are injected into the injection mold, an upper injection PEEK body 4 and a lower injection PEEK body 5 are formed, and the ceramic framework 1, the support seat 2, the contact piece 3, the upper injection PEEK body 4 and the lower injection PEEK body 5 form an injection molding assembly 6.PEEK refers to polyetheretherketone.
(4) The injection molded composite 6 is turned to form a ceramic skeleton injection molded electrical connector 7. Specifically, the lower injection-molded PEEK body 5 and the portion of the support base 2 protruding from the peripheral surface of the ceramic skeleton 1 are removed by turning, and the second seal groove 502 is turned on the turned lower injection-molded PEEK body 5.
The insulating medium of the invention is a ceramic skeleton 1, an upper injection-molded PEEK body 4 and a lower injection-molded PEEK body 5, the bearing structure is the ceramic skeleton 1 and a supporting seat 2, and the sealing structure is a thread section 303 of a contact piece 3, a periodical groove section 306 of the contact piece 3, an internal thread 102 of the ceramic skeleton 1 and an external thread 103 of the ceramic skeleton 1; the upper injection molding PEEK body 4 and the lower injection molding PEEK body 5 have the characteristics of high temperature resistance, pressure bearing, insulation and sealing, the upper injection molding PEEK body 4 and the lower injection molding PEEK body 5 are non-main pressure bearing pieces and mainly bear the characteristics of insulation and sealing, so that the upper injection molding PEEK body 4 and the lower injection molding PEEK body 5 avoid pressure bearing, and the high pressure resistance, the high temperature resistance, the sealing and the insulation capacity of the electric connector are effectively improved.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. The utility model provides a ceramic skeleton electrical connector that moulds plastics, its characterized in that includes ceramic skeleton, supporting seat, a plurality of contact, go up the PEEK body of moulding plastics and the PEEK body of moulding plastics down, ceramic skeleton is located upper portion, the supporting seat is located the lower part, ceramic skeleton with the supporting seat coaxial arrangement, a plurality of the contact runs through ceramic skeleton and supporting seat, go up the PEEK body of moulding plastics and set up ceramic skeleton and a plurality of between the contact, the PEEK body of moulding plastics down sets up ceramic skeleton, supporting seat and a plurality of between the contact;
the support seat is cylindrical, a first groove and a second groove are respectively arranged on the upper end face and the lower end face of the support seat, a plurality of support seat mounting holes and a plurality of material passing holes are formed in the bottom of the first groove, and the support seat mounting holes and the material passing holes are communicated with the second groove;
the PEEK ring table is characterized in that a plurality of PEEK ring tables are arranged on the upper injection PEEK body, the PEEK ring tables wrap the contact pieces, and PEEK bosses are arranged on the lower injection PEEK body.
2. The ceramic skeleton injection molding electrical connector of claim 1, wherein the ceramic skeleton is cylindrical, and a ceramic skeleton groove and a ceramic skeleton mounting hole which are communicated are arranged in the ceramic skeleton.
3. The ceramic skeleton injection molding electrical connector of claim 2, wherein the inner wall of the ceramic skeleton groove is provided with internal threads, and the outer wall of the ceramic skeleton is provided with external threads and a first seal groove.
4. The ceramic skeleton injection molded electrical connector of claim 2, wherein the ceramic skeleton mounting holes comprise first and second mounting holes disposed up and down, wherein the first mounting hole has a smaller aperture than the second mounting hole, and wherein the first mounting hole has a larger aperture than the outer diameter of the contact.
5. The ceramic matrix injection molded electrical connector of claim 1, wherein the sidewall of the first recess is provided with at least one limiting groove.
6. The ceramic matrix injection molded electrical connector of claim 1, wherein the first recess has a depth greater than a depth of the second recess.
7. The ceramic backbone injection molded electrical connector of claim 1, wherein the contact comprises a ball head segment, a first polish rod segment, a thread segment, a ring segment, a second polish rod segment, a periodic groove segment, and a weld cup segment, all connected in sequence.
8. A process for manufacturing a ceramic skeleton injection molding electric connector, which is characterized by comprising the following steps of:
(1) Placing the bottom of the ceramic framework in a supporting seat, wherein the ceramic framework and the supporting seat are coaxially placed;
(2) Penetrating the contact piece through the ceramic framework and the supporting seat to complete the assembly of the ceramic framework, the supporting seat and the contact piece;
(3) Positioning the assembled contact piece, the support seat and the ceramic skeleton in an injection mold, injecting PEEK material into the injection mold to form an upper injection PEEK body and a lower injection PEEK body, wherein the ceramic skeleton, the support seat, the contact piece, the upper injection PEEK body and the lower injection PEEK body form an injection molding assembly;
(4) And turning the injection molding assembly to form the ceramic skeleton injection molding electric connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753591.2A CN110518402B (en) | 2019-08-15 | 2019-08-15 | Ceramic skeleton injection molding electric connector and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753591.2A CN110518402B (en) | 2019-08-15 | 2019-08-15 | Ceramic skeleton injection molding electric connector and manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110518402A CN110518402A (en) | 2019-11-29 |
| CN110518402B true CN110518402B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910753591.2A Active CN110518402B (en) | 2019-08-15 | 2019-08-15 | Ceramic skeleton injection molding electric connector and manufacturing process |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020126128A1 (en) | 2020-10-06 | 2022-04-07 | Geiger Automotive Gmbh | Modular connector unit on components |
| CN113507007A (en) * | 2021-07-13 | 2021-10-15 | 苏州华旃航天电器有限公司 | Multi-core electrode adapter |
| CN114122784B (en) * | 2021-11-19 | 2024-01-23 | 苏州华旃航天电器有限公司 | Multi-core coaxial injection molding sealing electric connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5639489A (en) * | 1995-08-18 | 1997-06-17 | Eurotools Beheer B.V. | Electrically heated manifold system in an injection moulding structure |
| CN103872508A (en) * | 2014-03-19 | 2014-06-18 | 苏州华旃航天电器有限公司 | Injection molding sealing through-wall electric connector |
| CN104852205A (en) * | 2015-06-09 | 2015-08-19 | 苏州华旃航天电器有限公司 | Electric connector with temperature-resistant voltage-bearing structure |
| CN210607805U (en) * | 2019-08-15 | 2020-05-22 | 苏州华旃航天电器有限公司 | Ceramic framework injection molding electric connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO345643B1 (en) * | 2011-09-26 | 2021-05-25 | Schlumberger Technology Bv | Electric power wet-make assembly, wet-compatible connection system and method of making the same |
-
2019
- 2019-08-15 CN CN201910753591.2A patent/CN110518402B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5639489A (en) * | 1995-08-18 | 1997-06-17 | Eurotools Beheer B.V. | Electrically heated manifold system in an injection moulding structure |
| CN103872508A (en) * | 2014-03-19 | 2014-06-18 | 苏州华旃航天电器有限公司 | Injection molding sealing through-wall electric connector |
| CN104852205A (en) * | 2015-06-09 | 2015-08-19 | 苏州华旃航天电器有限公司 | Electric connector with temperature-resistant voltage-bearing structure |
| CN210607805U (en) * | 2019-08-15 | 2020-05-22 | 苏州华旃航天电器有限公司 | Ceramic framework injection molding electric connector |
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