CN210838249U - Mixed multi-core electric connector supported by ceramics - Google Patents
Mixed multi-core electric connector supported by ceramics Download PDFInfo
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- CN210838249U CN210838249U CN201921328268.2U CN201921328268U CN210838249U CN 210838249 U CN210838249 U CN 210838249U CN 201921328268 U CN201921328268 U CN 201921328268U CN 210838249 U CN210838249 U CN 210838249U
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- ceramic base
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- injection molding
- support ring
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Abstract
The utility model relates to a mixed multicore electric connector that pottery supported, including ceramic base, support ring, contact pin and injection molding, ceramic base is equipped with ceramic base mounting hole along the axial, and ceramic base includes along the first ceramic base step and the second ceramic base step of axial connection, a terminal surface of first ceramic base step with a terminal surface of support ring contacts, and second ceramic base step is located the support ring, is provided with first O type circle and jump ring between second ceramic base step and the support ring, and the injection molding parcel is on the contact pin, and the contact pin runs through ceramic base mounting hole, is provided with second O type circle between injection molding and the ceramic base mounting hole. The utility model is formed by two modes of injection molding and assembly, realizes the replacement of parts and reduces the cost; has the capabilities of resisting high pressure of 175MPa and resisting high temperature of 200 ℃; first O type circle and second O type circle play the cushioning effect, prevent that ceramic base from touching the ground earlier, and the support ring avoids ceramic base direct and external holding surface contact when the pressure-bearing.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to a mixed loading multicore electric connector that pottery supported.
Background
At present, the electric connector structure used in the fields of oil drilling and natural gas exploitation is mainly divided into a sealed pressure-bearing structure, an unsealed pressure-bearing structure and an unsealed unpressurized structure; the sealing pressure-bearing connector is difficult to design and process, and the sealing pressure-bearing part is divided into a glass sintering connector pressure-bearing part, a peek injection molding connector pressure-bearing part, a rubber vulcanization pressure-bearing part and an assembly pressure-bearing part from the molding general direction, wherein the glass sintering connector pressure-bearing part is complex in processing process and high in processing cost; the small-batch production cost of the pressure-bearing piece of the peek injection molding connector is higher, the pressure-bearing capacity of the pressure-bearing piece is inferior to that of a glass sintering pressure-bearing piece, the pressure-bearing capacity of a rubber vulcanization pressure-bearing piece is inferior to that of the former two pressure-bearing pieces, rubber belongs to an elastic material and is easy to deform, the deformation amount of the rubber vulcanization pressure-bearing piece is increased in a high-temperature environment, and poor sealing is easy to cause. The bearing capacity of the general assembly sealing bearing piece can not reach the use condition of 200 ℃ and 175 MPa.
Because the underground electric connector used in oil and gas exploitation generally needs to bear the corrosion of salt, alkali, oil and the like, and bear the high water pressure and high temperature environment, the production cost is higher, and in order to reduce the production cost and meet the performance of the injection molding connector and the glass sintering electric connector, the design of the mixed-loading multi-core electric connector which is high-temperature resistant, high-water pressure resistant, salt and alkali oil resistant, and excellent in sealing effect and insulating property is particularly important.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, the utility model provides a mixed loading multicore electric connector that pottery supported has solved among the prior art glass sintering connector high temperature high pressure condition under insulating not enough, the rubber vulcanization electric connector pressure-bearing not enough, the peek technical problem that the pressure-bearing is not enough and change the higher technical problem of connector cost under the connector high temperature high pressure condition of moulding plastics.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a pottery support loads in mixture multicore electric connector, includes ceramic base, support ring, contact pin and injection molding, ceramic base is equipped with the ceramic base mounting hole along the axial, ceramic base includes along the first ceramic base step and the second ceramic base step of axial connection, a terminal surface of first ceramic base step with a terminal surface of support ring contacts, second ceramic base step is located in the support ring, second ceramic base step with be provided with first O type circle and jump ring between the support ring, the injection molding parcel is in on the contact pin, the contact pin runs through the ceramic base mounting hole, the injection molding with be provided with second O type circle between the ceramic base mounting hole.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading multi-core electrical connector further comprises the ceramic base mounting hole comprises a first mounting hole and a second mounting hole connected to each other, and the diameter of the first mounting hole is larger than that of the second mounting hole.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading multi-core electrical connector further comprises a first sealing groove and a first clamp spring groove formed on an outer wall of the second ceramic base step.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading electrical multi-core connector further comprises at least one second sealing groove formed on an outer wall of the first ceramic base step.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading multi-core electrical connector further comprises a second clamp spring groove formed on an inner wall of the support ring.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading multi-core electrical connector further comprises the first snap spring groove and the second snap spring groove are flush.
In a preferred embodiment of the present invention, a ceramic-supported mixed-mount electrical connector further comprises a contact pin including a ball segment, a first polished rod segment, a periodic groove segment, a threaded segment, a ring stage segment, a second polished rod segment, and a solder cup segment, which are connected in sequence, wherein the ring stage segment is matched with the first mounting hole.
In a preferred embodiment of the present invention, the ceramic-supported mixed-loading multi-core electrical connector further comprises an annular groove disposed on the second polished rod section, wherein a retainer ring is disposed in the annular groove.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading electrical multi-core connector further comprises at least one third sealing groove formed in an outer wall of the injection-molded part.
In a preferred embodiment of the present invention, a ceramic-supported mixed-loading electrical multi-core connector further comprises the injection-molded part protruding from the other axial end surface of the first ceramic base step.
The utility model discloses following beneficial effect has:
(1) the utility model discloses a connector is for moulding plastics and assembling the shaping of dual mode, and the dismantlement of equipment mode accessible jump ring and rand realizes the change between the different spare parts with the installation, realizes effectively reducing use cost's effect.
(2) The sealing of connector adopts first O type circle and second O type circle to realize, the injection molding is located ceramic base's first mounting hole, even PEEK takes place to warp under the assurance high temperature high pressure environment, also can guarantee the sealing between injection molding and the ceramic base, the PEEK material, the rubber of first O type circle, the rubber of second O type circle all have the ability of bearing high hydraulic pressure and high temperature, ceramic skeleton and support ring are as the pressure-bearing part, make the connector have high pressure resistant 175MPa, high temperature resistant 200 ℃ ability.
(3) Because the welding cup section of the effect support ring of gravity or contact pin lands earlier when falling, first O type circle and second O type circle play the effect of buffering, prevent that ceramic base from landing earlier, and the support ring avoids ceramic base direct and external holding surface contact simultaneously when the pressure-bearing, plays the effect of slow-down pressure through the support ring.
(4) The jump ring plays the support ring and fixes between the ceramic base, and the rand plays the contact pin and fixes between the ceramic base, and the leakproofness and the structural integrity of connector are guaranteed in the cooperation of first O type circle, second O type circle, jump ring, rand.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a ceramic base according to a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a support ring of a preferred embodiment of the present invention;
fig. 4 is a schematic structural diagram of a contact pin according to a preferred embodiment of the present invention;
FIG. 5 is a schematic structural view of an injection molded part according to a preferred embodiment of the present invention;
fig. 6 is a schematic structural diagram of a clamp spring according to a preferred embodiment of the present invention;
fig. 7 is a schematic view of the collar of the preferred embodiment of the 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. 1, a mixed multi-core electric connector supported by ceramics, including ceramic base 1, support ring 2, contact pin 3 and injection molding 4, ceramic base 1 is equipped with ceramic base mounting hole 101 along the axial, ceramic base 1 includes first ceramic base step 102 and second ceramic base step 103 along axial connection, an axial end face of first ceramic base step 102 contacts with an axial end face of support ring 2, second ceramic base step 103 is located support ring 2, be provided with first O type ring 5 and jump ring 6 between second ceramic base step 103 and support ring 2, injection molding 4 wraps up on contact pin 3, contact pin 3 runs through ceramic base mounting hole 101, be provided with second O type ring 7 between injection molding 4 and ceramic base mounting hole 101. Jump ring 6 realizes fixing between ceramic substrate 1 and the support ring 2, prevent droing of ceramic substrate 1 and support ring 2, ceramic substrate 1 and support ring 2 can be followed both center pins and rotated, first O type circle 5 realizes the sealed between support ring 2 and the second ceramic substrate step 103, second O type circle 7 realizes the sealed between injection molding 4 and the ceramic substrate mounting hole 101, support ring 2 is bigger than ceramic substrate 1 weight, support ring 1 or contact pin 3 land earlier when falling because of the effect of gravity, first O type circle, second O type circle 7 plays the effect of buffering, prevent that ceramic substrate 1 lands earlier, support ring 2 avoids ceramic substrate 1 direct and external holding surface contact when the pressure-bearing simultaneously, play the effect of slow-down pressure through support ring 2.
As shown in fig. 2, the first ceramic base step 102 and the second ceramic base step 103 are preferably cylindrical. Preferably 1/2, the difference between the outer diameter of the first ceramic base step 102 and the outer diameter of the second ceramic base step 103, is the wall thickness of the support ring 2. The ceramic base mounting hole 101 comprises a first mounting hole 104 and a second mounting hole 105 which are connected, the aperture of the first mounting hole 104 is larger than that of the second mounting hole 105, the aperture of the first mounting hole 104 is slightly larger than the outer diameter of the injection molding part 4, and the aperture of the second mounting hole 105 is slightly larger than the outer diameter of the pin 3. Preferably, the outer wall of the second ceramic base step 103 is provided with a first sealing groove 106 and a first snap spring groove 107, and the first O-ring 5 is installed in the first sealing groove 106. The outer wall of the first ceramic base step 102 is provided with at least one second seal groove 108 for mounting a seal ring.
As shown in fig. 3, the support ring 2 of the present invention is preferably a tubular structure. The inner wall of support ring 2 is provided with second jump ring groove 201, and jump ring 6 is installed in first jump ring groove 107 and second jump ring groove 201 for fixed ceramic base 1 and support ring 2 avoid leading to the separation of ceramic base 1 and support ring 5 because of installing first O type circle 5. Preferably, the first clamp spring groove 107 is flush with the second clamp spring groove 201, so that the clamp spring 6 can be conveniently installed, the installation efficiency is improved, and the stability of the support ring 2 and the ceramic base 1 is further improved. Preferably, the lower axial end face of the second ceramic base step 103 is flush with the other axial end face of the support ring 2, and the outer diameter of the second ceramic base step 103 is the same as the inner diameter of the support ring 2.
As shown in fig. 4, the preferred contact pin 3 of the present invention includes a ball head section 301, a first polished rod section 302, a periodic groove section 303, a threaded section 304, a ring platform section 305, a second polished rod section 306 and a solder cup section 307, which are connected in sequence, wherein the ring platform section 305 is matched with the first mounting hole 104. The outer diameter of the ring segment 305 is equal to the outer diameter of the injection molded part 4. The outer diameters of the ball segment 301, the first polished rod segment 302, the periodic groove segment 303, the second polished rod segment 306 and the solder cup segment 307 are equal. The second polished rod segment 306 is provided with an annular groove 308, and the annular groove 308 is provided with a clamping ring 8. Preferably, the end surface of the annular groove 308 is flush with the lower shaft end surface of the second ceramic base step 103 or slightly protrudes out of the lower shaft end surface of the second ceramic base step 103, and the pin 3 is fixed to the ceramic base 1 through the collar 8, so that the injection molded part 4 is effectively prevented from axially moving relative to the ceramic base 1.
As shown in fig. 4 and 5, the utility model discloses preferred injection molding 4 adopts PEEK material injection moulding through contact pin 3, and injection molding 4 contacts with cycle groove section 303 and screw thread section 304 of contact pin 3, and cycle groove section 303 and screw thread section 304 of contact pin 3 increase the area of contact between contact pin 3 and the injection molding 4 for sealing performance and bearing capacity are more excellent, and screw thread section 304 and the contact of injection molding 4 can effectively prevent the axial rotation between injection molding 4 and the contact pin 3. The length of the injection molding section is larger than the sum of the lengths of the periodic groove section 303 and the threaded section 304, and the injection molding part 4 protrudes out of the other axial end face of the first ceramic base step 102, so that the creepage distance between the adjacent contact pins 3 is increased. The outer wall of injection molding 4 is provided with at least one third seal groove 401, and second O type circle 7 is placed in third seal groove 401, and third seal groove 401 need not secondary operation for one shot injection moulding. Meanwhile, after the injection molding part 4 bears hydraulic pressure, the injection molding part 4 can be replaced, and the contact pin 3 can be recycled, so that the use cost of replacing the connector is reduced.
As shown in fig. 6, the utility model discloses preferred jump ring 6 is the annular opening form, forms through opening annular metalwork rectangle mouth, round hole, radius angle processing, and 6 internal diameters of jump ring are greater than first jump ring groove 107 path, and 6 external diameters of jump ring are greater than second jump ring groove 201 path, and two round holes 601 of opening on jump ring 6 use the frock to fix two round holes 601 as the mounting hole, make jump ring 6 internal contraction, are convenient for install jump ring 6, and jump ring 6 adopts elasticity steel processing.
As shown in fig. 7, the collar 8 is in the shape of an annular oblique slot, the inner diameter of the collar 8 is slightly smaller than the outer diameter of the second polished rod segment 306 of the pin 3, the outer diameter of the collar 8 is larger than the outer diameter of the second polished rod segment 306, and elastic expansion and contraction of installation of the collar 8 are realized through the oblique slot.
When the connector is manufactured, PEEK injection molding is firstly carried out on the contact pin 3, the injection molding mode is one-time injection molding, and an injection molding piece 4 is formed on the contact pin 3; then, a second O-ring 7 is arranged in a third sealing groove 401 of the injection molding piece 4, the injection molding piece 4 provided with the second O-ring 7 and the contact pin 3 are arranged in the ceramic base mounting hole 101, the second polished rod section 306 of the contact pin 3 is positioned in the second mounting hole 105, the injection molding section of the injection molding piece 4 is arranged in the first mounting hole 104, and the lower end face of the ring platform section 305 of the contact pin 3 is in matched contact with the lower end face of the first mounting hole 104; thirdly, after the injection molding piece 4 and the ceramic base 1 are assembled in place, the clamping ring 8 is arranged in the annular groove 308 of the contact pin 3; finally, a first O-shaped ring 5 is arranged in the first sealing groove 106 of the ceramic base 1, the ceramic base 1 with the first O-shaped ring 5 arranged therein is matched with the support ring 2 for installation, and the clamp spring 6 is arranged in the first clamp spring groove 107 and the second clamp spring groove 201 by using a tool, so that the multi-core electric connector is formed.
The electric connector of this embodiment is formed for injection molding and spare part equipment, can realize the change of single spare part through the dismantlement and the installation of jump ring 6 and rand 8. The pressure-bearing part comprises an injection molding part 4, a ceramic base 1 and a support ring 2, the lower end face of a ring platform section 305 of a contact pin 3 is matched with the lower end face of a first mounting hole 104, axial pressure is transmitted to the ceramic base 1 through the ring platform section 305, and the ceramic base 1 is transmitted to the support ring 2; the pressure born by the top end of the ceramic base 1 is directly transmitted to the support ring 2 through the ceramic base 1, and the first O-shaped ring 5 and the second O-shaped ring 7 are used as sealing parts for bearing the pressure of the electric connector. The utility model discloses an electric connector uses the back at high temperature high pressure environment, can change second O type circle 7 or injection molding 4, ensures the leakproofness between injection molding 4 and the first mounting hole 206, changes injection molding 4 back, and its contact pin 3 can be recycled once more, reduces the use cost of changing the connector. After the electric connector is used under pressure, the first O-shaped ring 5 can be replaced by detaching the clamp spring 5, and sealing between the ceramic base 1 and the support ring 2 is ensured.
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 (10)
1. The utility model provides a mixed dress multicore electric connector that pottery supported which characterized in that: including ceramic base, support ring, contact pin and injection molding, ceramic base is equipped with the ceramic base mounting hole along the axial, ceramic base includes along axially connected first ceramic base step and second ceramic base step, a terminal surface of first ceramic base step with a terminal surface of support ring contacts, second ceramic base step is located in the support ring, second ceramic base step with be provided with first O type circle and jump ring between the support ring, the injection molding parcel is in on the contact pin, the contact pin runs through the ceramic base mounting hole, the injection molding with be provided with second O type circle between the ceramic base mounting hole.
2. The ceramic supported hybrid electrical multi-core connector of claim 1, wherein: the ceramic base mounting hole comprises a first mounting hole and a second mounting hole which are connected, and the aperture of the first mounting hole is larger than that of the second mounting hole.
3. The ceramic supported hybrid electrical multi-core connector of claim 1, wherein: the outer wall of the second ceramic base step is provided with a first sealing groove and a first clamp spring groove.
4. The ceramic supported hybrid electrical multi-core connector of claim 1, wherein: the outer wall of the first ceramic base step is provided with at least one second sealing groove.
5. The ceramic supported hybrid electrical multi-core connector of claim 3, wherein: and a second clamp spring groove is formed in the inner wall of the support ring.
6. The ceramic supported hybrid electrical multi-core connector of claim 5, wherein: the first clamp spring groove is flush with the second clamp spring groove.
7. The ceramic supported hybrid electrical multi-core connector of claim 2, wherein: the contact pin comprises a ball head section, a first polished rod section, a periodic groove section, a thread section, a ring platform section, a second polished rod section and a welding cup section which are sequentially connected, wherein the ring platform section is matched with the first mounting hole.
8. The ceramic supported hybrid electrical multi-core connector of claim 7, wherein: an annular groove is formed in the second polished rod section, and a clamping ring is arranged in the annular groove.
9. The ceramic supported hybrid electrical multi-core connector of claim 1, wherein: the outer wall of the injection molding piece is provided with at least one third sealing groove.
10. The ceramic supported hybrid electrical multi-core connector of claim 9, wherein: the injection molding part protrudes out of the other axial end face of the first ceramic base step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328268.2U CN210838249U (en) | 2019-08-15 | 2019-08-15 | Mixed multi-core electric connector supported by ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328268.2U CN210838249U (en) | 2019-08-15 | 2019-08-15 | Mixed multi-core electric connector supported by ceramics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210838249U true CN210838249U (en) | 2020-06-23 |
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ID=71255567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921328268.2U Active CN210838249U (en) | 2019-08-15 | 2019-08-15 | Mixed multi-core electric connector supported by ceramics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210838249U (en) |
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2019
- 2019-08-15 CN CN201921328268.2U patent/CN210838249U/en active Active
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