CN210607805U - Ceramic framework injection molding electric connector - Google Patents
Ceramic framework injection molding electric connector Download PDFInfo
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- CN210607805U CN210607805U CN201921328205.7U CN201921328205U CN210607805U CN 210607805 U CN210607805 U CN 210607805U CN 201921328205 U CN201921328205 U CN 201921328205U CN 210607805 U CN210607805 U CN 210607805U
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Abstract
The utility model relates to an electric connector that moulds plastics of ceramic skeleton, including ceramic skeleton, supporting seat, a plurality of contact piece, go up the PEEK body of moulding plastics and make a bet the PEEK body, ceramic skeleton is located upper portion, and the supporting seat is located the lower part, ceramic skeleton with the coaxial setting of supporting seat, a plurality of contact pieces run through ceramic skeleton and supporting seat, go up the PEEK body of moulding plastics and set up between ceramic skeleton and a plurality of contact piece, make a bet and mould the PEEK body and set up between ceramic skeleton, supporting seat and a plurality of contact piece. The utility model realizes the sealing of the connector by the matching of the upper injection molding PEEK body and the internal thread and the thread section and the matching of the lower injection molding PEEK body and the external thread, realizes the bearing function of the connector by the matching of the ceramic framework and the support ring, and can avoid the damage caused by the direct contact of the ceramic and the outside; the ceramic skeleton electric connector improves the pressure bearing capacity of the petroleum injection molding connector to 210MPa resistance and the temperature resistance to 250 ℃ resistance from the overall performance.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to a ceramic skeleton electric connector that moulds plastics.
Background
At present, the connector structure in the oil and gas field mainly divide into pressure-bearing structure and non-pressure-bearing structure two kinds, and wherein pressure-bearing connector divide into glass sintering connector and PEEK connector of moulding plastics again, and glass sintering connector is stronger than PEEK connector of moulding plastics bearing capacity, and the temperature resistant is higher, but glass sintering connector is insulating under humid environment and has certain reduction, can't satisfy the normal use of equipment.
Since the downhole electrical connector used in oil and gas production generally needs to withstand high water pressure and high temperature, its own performance and structure are closely related to the environment. Work need face environments such as well fluid high temperature, high water pressure and striking at the inside electric connector of liquid and mud, and the connector of work in the drilling rod faces ultra-high temperature environment, urgently needs a high temperature resistant, high pressure resistant and sealed effect and insulating properties good electric connector.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, the utility model provides an electric connector that moulds plastics of ceramic skeleton has solved among the prior art glass sintering connector high temperature high pressure condition under insulating not enough and PEEK mould plastics connector high temperature high pressure condition under the not enough technical problem of pressure-bearing.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an electric connector that moulds plastics of ceramic skeleton, includes ceramic skeleton, supporting seat, a plurality of contact piece, goes up to mould the PEEK body and make a bet and mould the PEEK body, ceramic skeleton is located upper portion, the supporting seat is located the lower part, ceramic skeleton with the coaxial setting of supporting seat, it is a plurality of the contact piece runs through ceramic skeleton and supporting seat, it is in to go up to mould plastics the PEEK body setting ceramic skeleton and a plurality of between the contact piece, it is in to mould plastics the PEEK body setting down ceramic skeleton, supporting seat and a plurality of between the contact piece.
In a preferred embodiment of the present invention, an injection-molded ceramic frame electrical connector further comprises a cylindrical ceramic frame, and a ceramic frame groove and a ceramic frame mounting hole are disposed in the ceramic frame and are connected to each other.
In a preferred embodiment of the present invention, an injection-molded ceramic frame electrical connector further comprises an inner wall of the groove of the ceramic frame provided with an internal thread, and an outer wall of the ceramic frame provided with an external thread and a first sealing groove.
In a preferred embodiment of the present invention, an injection-molded ceramic frame electrical connector further includes the ceramic frame mounting hole includes a first mounting hole and a second mounting hole which are disposed 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.
The utility model discloses a preferred embodiment, a ceramic skeleton electric connector of moulding plastics further includes the supporting seat is cylindricly, the upper and lower terminal surface of supporting seat is provided with first recess and second recess respectively, the bottom of first recess is provided with a plurality of supporting seat mounting holes and a plurality of punishment in advance hole, and is a plurality of supporting seat mounting hole, a plurality of punishment in advance hole all with the second recess is linked together.
In a preferred embodiment of the present invention, an injection-molded ceramic electrical connector further comprises at least one limiting groove formed on a sidewall of the first groove.
In a preferred embodiment of the present invention, an injection-molded ceramic electrical connector further comprises a first groove having a depth greater than a depth of a second groove.
In a preferred embodiment of the present invention, a ceramic frame injection-molded electrical connector further comprises the contact member comprises a ball section, a first polished rod section, a threaded section, a ring stage section, a second polished rod section, a periodic groove section and a solder cup section which are connected in sequence.
The utility model discloses a preferred embodiment, a ceramic skeleton electric connector that moulds plastics further includes it is provided with a plurality of PEEK ring platforms to mould plastics on the PEEK body on, PEEK ring platform parcel the contact, it is provided with the PEEK boss to mould plastics the PEEK body down.
The utility model solves the defects existing in the background technology, the utility model realizes the sealing of the connector through the matching of the upper injection molding PEEK body and the internal thread, the thread section and the matching of the lower injection molding PEEK body and the external thread, the matching of the ceramic framework and the support ring realizes the bearing function of the connector, and the damage caused by the direct contact of the ceramic and the outside can be avoided; glazing treatment is carried out on the first sealing groove, so that sealing contact between the ceramic and the O-shaped ring can be ensured; the ceramic skeleton electric connector improves the pressure bearing capacity of the petroleum injection molding connector to 210MPa resistance and the temperature resistance to 250 ℃ resistance from the overall performance.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of an injection molding assembly according to 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 frame according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of the support seat of the preferred embodiment of the present invention before turning;
FIG. 5 is a top view of the preferred embodiment of the present invention before turning the support base;
fig. 6 is a schematic structural view of a contact member according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 2, an electric connector is moulded to ceramic skeleton, including ceramic skeleton 1, supporting seat 2, a plurality of contact members 3, go up the PEEK body 4 of moulding plastics and mould the PEEK body 5 down, ceramic skeleton 1 is located upper portion, supporting seat 2 is located the lower part, ceramic skeleton 1 and the coaxial setting of supporting seat 2, a plurality of contact members 3 run through ceramic skeleton 1 and supporting seat 2, it sets up between ceramic skeleton 1 and a plurality of contact members 3 to go up the PEEK body 4 of moulding plastics, it sets up between supporting seat 2 and a plurality of contact members 3 to mould the PEEK body 5 down.
The utility model discloses preferred ceramic skeleton 1 is cylindricly, is provided with ceramic skeleton recess 101 and the ceramic skeleton mounting hole that is linked together in the ceramic skeleton 1. The ceramic frame 1 preferably has a large outer diameter at the upper part and a small outer diameter at the lower part. The inner wall of the ceramic framework groove 101 is provided with an internal thread 102, and the outer wall of the ceramic framework 1 is provided with an external thread 103 and a first sealing groove 104. The first sealing groove 104 is glazed to increase the surface smoothness, so that the sealing ring can be conveniently installed. The internal thread 102 and the external thread 103 are both subjected to rough treatment to increase the surface roughness, so that the combination and the sealing performance of the ceramic framework 1, the upper injection molding PEEK body 4 and the lower injection molding 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 sets 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 lower injection moulding PEEK body 5 fills second mounting hole 106 and can effectively guarantee the electrical insulation between contact 3 and the supporting seat 2.
The utility model discloses preferred supporting seat 2 is cylindricly, and the upper and lower terminal surface of supporting seat 2 is provided with first recess 201 and second recess 202 respectively, and the bottom of first recess 201 is provided with a plurality of supporting seat mounting holes 203 and a plurality of punishment in advance hole 204, and a plurality of supporting seat mounting holes 203, a plurality of punishment in advance hole 204 all are linked together with second recess 202. The depth of the first groove 201 is greater than the depth of the second groove 202. Preferably, the plurality of support seat mounting holes 203 are distributed in a rectangular symmetrical manner. The preferred quantity of passing material hole 204 is four, and it is circular to pass material hole 204, and the centre of a circle of four passing material holes 204 is located same circumference, and the aperture of passing material hole 204 is greater than 3mm, is convenient for the passing through of PEEK material when moulding plastics. The position degree of supporting seat mounting hole 203 is unanimous with ceramic skeleton mounting hole position degree, and the aperture of supporting seat mounting hole 203 is greater than the external diameter of contact 3 for can fill down between supporting seat mounting hole 203 and the contact 3 and mould plastics the PEEK body 5, guarantee the electrical insulation between supporting seat 2 and the contact 3. The side wall of the first groove 201 is provided with at least one limiting groove 205, and the rotation during processing can be avoided through the arrangement of the limiting groove 205, so that the rotation prevention effect is achieved. The material passing hole 204 is partially positioned in the limiting 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 two opposite limiting grooves 205 is greater 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 of 1/4, 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 utility model discloses preferred contact 3 is including ball head section 301 that connects gradually, first polished rod section 302, screw thread section 303, ring platform section 304, second polished rod section 305, cycle groove section 306 and weld cup section 307, the external diameter of ring platform section 304 is greater than the internal diameter of first mounting hole 105, ring platform section 304 is located on the diapire of ceramic skeleton recess 101, through the axial position of ring platform section 304 location contact 3 and ceramic skeleton 1, ball head section 301 is located ceramic skeleton end, weld cup section 307 and be located the support seat end. Preferably, the outer diameters of the ball segment 301, the first polished rod segment 302, the second polished rod segment 305, the periodic groove segment 306 and the solder cup segment 307 are the same and slightly smaller than the diameter of the first mounting hole 105.
The utility model discloses be provided with a plurality of PEEK ring platforms 401 on the PEEK body 4 of moulding plastics on the preferred, PEEK ring platform 401 wraps up contact 3, and it is provided with PEEK boss 501 to mould plastics on the PEEK body 5 to make a bet, encircles platform 401 and PEEK boss 501 through PEEK and increases creepage distance, promotes withstand voltage and insulating properties, guarantees the effective connection of supporting seat 2 and ceramic skeleton 1 through PEEK boss 501. The lower injection molding PEEK body 5 is provided with a second sealing groove 502. The end face of the pressure-bearing end of the upper injection molding PEEK body 4 is flush with the upper end face of the ceramic framework 1. PEEK boss 501 wraps around first polished rod segment 302 of contact 3.
Specifically, the seal of the electrical connector of the present embodiment includes six sealing loops, which are connected to the internal thread 102 of the ceramic frame 1 through the threaded section 303 of the contact 3 to form a first sealing loop; a second sealed loop is formed by the threaded section 303 of the contact element 3, the ring platform section 304 of the contact element 3, the second polished rod section 305 of the contact element 3 and the periodic groove section 306 of the contact element 3; forming a third sealing loop through the threaded section 303 of the contact element 3, the ring platform section 304 of the contact element 3 and the second polished rod section 305 of the contact element 3 to the external thread 103 of the ceramic framework 1; forming a fourth sealing loop through the internal thread 102 of the ceramic framework 1, the second polished rod section 305 of the contact element 3 and the periodic groove section 306 of the contact element 3; forming a sealing loop V from the internal thread 102 of the ceramic framework 1, the ring platform section 304 of the contact element 3 and the second polished rod section 305 of the contact element 3 to the external thread 103 of the ceramic framework 1; and a sealing loop six is formed from the periodic groove section 306 of the contact element 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 element 3 and the periodic groove section 306 of the contact element 3 are all in a sealing design, and the sealing property of injection molding is effectively ensured.
The injection molding electric connector with the ceramic framework of the embodiment adopts the following steps when in manufacturing:
(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 framework 1 is placed in the first groove 201 of the support seat 2, and the ceramic framework mounting hole is axially aligned with the support seat mounting hole 203.
(2) And (3) penetrating the contact element 3 through the ceramic framework 1 and the supporting seat 2 to complete the assembly of the ceramic framework 1, the supporting seat 2 and the contact element 3. Specifically, the welding cup section 307 of the contact element 3 sequentially penetrates through the ceramic framework groove 101, the first mounting hole 105, the second mounting hole 106, the first groove 201, the support seat mounting hole 203 and the second groove 202 from top to bottom, and the loop platform section 304 of the contact element 3 abuts against the bottom wall of the ceramic framework groove 101.
(3) The assembled ceramic framework 1, the supporting seat 2 and the contact element 3 are fixed in an injection mold, PEEK material is injected into the injection mold to form an upper injection PEEK body 4 and a lower injection PEEK body 5, and the ceramic framework 1, the supporting seat 2, the contact element 3, the upper injection PEEK body 4 and the lower injection PEEK body 5 form an injection assembly 6 as shown in figure 1. PEEK refers to polyetheretherketone.
(4) And turning the injection molding assembly 6 to form the ceramic framework injection molding electric connector 7. Specifically, the lower injection molding PEEK body 5 and the part of the support seat 2 protruding out of the peripheral surface of the ceramic framework 1 are removed by turning, and the turned lower injection molding PEEK body 5 is turned with a second sealing groove 502.
The utility model discloses an insulating medium is ceramic skeleton 1, upper injection moulding PEEK body 4 and lower injection moulding PEEK body 5, the bearing structure is ceramic skeleton 1 and supporting seat 2, the seal structure is screw thread section 303 of contact 3, periodic groove section 306 of contact 3, internal thread 102 of ceramic skeleton 1, external screw thread 103 of ceramic skeleton 1; the upper injection molding PEEK body 4 and the lower injection molding PEEK body 5 have high temperature resistance, pressure bearing, insulation and sealing characteristics, the upper injection molding PEEK body 4 and the lower injection molding PEEK body 5 are non-main pressure bearing parts and mainly bear insulation and sealing characteristics, 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, high temperature resistance, sealing and insulation capabilities of the electric connector are effectively improved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides an electric connector that pottery skeleton was moulded plastics, its characterized in that includes ceramic skeleton, supporting seat, a plurality of contact piece, goes up the PEEK body of moulding plastics and makes a bet the PEEK body of moulding plastics, ceramic skeleton is located upper portion, the supporting seat is located the lower part, ceramic skeleton with the coaxial setting of supporting seat, it is a plurality of the contact piece runs through ceramic skeleton and supporting seat, it sets up to go up the PEEK body of moulding plastics ceramic skeleton and a plurality of between the contact piece, it is in to mould plastics the PEEK body setting down ceramic skeleton, supporting seat and a plurality of between the contact piece.
2. The injection-molded ceramic skeleton electric connector of claim 1, wherein the ceramic skeleton is cylindrical, and a ceramic skeleton groove and a ceramic skeleton mounting hole which are communicated with each other are arranged in the ceramic skeleton.
3. The injection-molded ceramic skeleton electric connector of claim 2, wherein the inner wall of the groove of the ceramic skeleton is provided with an internal thread, and the outer wall of the ceramic skeleton is provided with an external thread and a first sealing groove.
4. The injection-molded ceramic skeleton electric connector of claim 2, wherein the ceramic skeleton mounting holes comprise a first mounting hole and a second mounting hole which are arranged up and down, the aperture of the first mounting hole is smaller than that of the second mounting hole, and the aperture of the first mounting hole is larger than the outer diameter of the contact element.
5. The injection-molded electric connector with a ceramic skeleton of claim 1, wherein the supporting seat is cylindrical, the upper and lower end surfaces of the supporting seat are respectively provided with a first groove and a second groove, the bottom of the first groove is provided with a plurality of supporting seat mounting holes and a plurality of material passing holes, and the plurality of supporting seat mounting holes and the plurality of material passing holes are communicated with the second grooves.
6. The injection-molded electrical connector with a ceramic skeleton of claim 5, wherein the side wall of the first groove is provided with at least one limiting groove.
7. The injection molded ceramic backbone electrical connector of claim 5, wherein the depth of the first recess is greater than the depth of the second recess.
8. The ceramic backbone injection molded electrical connector of claim 1, wherein the contact member comprises a ball segment, a first polished rod segment, a threaded segment, a ring land segment, a second polished rod segment, a periodic groove segment, and a solder cup segment connected in series.
9. The injection-molded electrical connector with ceramic skeleton of claim 1, wherein the upper injection-molded PEEK body is provided with a plurality of PEEK ring platforms, the PEEK ring platforms wrap the contact members, and the lower injection-molded PEEK body is provided with PEEK bosses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328205.7U CN210607805U (en) | 2019-08-15 | 2019-08-15 | Ceramic framework injection molding electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328205.7U CN210607805U (en) | 2019-08-15 | 2019-08-15 | Ceramic framework injection molding electric connector |
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| Publication Number | Publication Date |
|---|---|
| CN210607805U true CN210607805U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921328205.7U Active CN210607805U (en) | 2019-08-15 | 2019-08-15 | Ceramic framework injection molding electric connector |
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| CN (1) | CN210607805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518402A (en) * | 2019-08-15 | 2019-11-29 | 苏州华旃航天电器有限公司 | A kind of ceramic skeleton injection molding electric connector and manufacture craft |
| CN114122784A (en) * | 2021-11-19 | 2022-03-01 | 苏州华旃航天电器有限公司 | Multi-core coaxial injection molding sealing electric connector |
-
2019
- 2019-08-15 CN CN201921328205.7U patent/CN210607805U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518402A (en) * | 2019-08-15 | 2019-11-29 | 苏州华旃航天电器有限公司 | A kind of ceramic skeleton injection molding electric connector and manufacture craft |
| CN110518402B (en) * | 2019-08-15 | 2024-04-05 | 苏州华旃航天电器有限公司 | Ceramic skeleton injection molding electric connector and manufacturing process |
| CN114122784A (en) * | 2021-11-19 | 2022-03-01 | 苏州华旃航天电器有限公司 | Multi-core coaxial injection molding sealing electric connector |
| 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 |
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