CN207818986U - A kind of shell of shielded electrical connector - Google Patents
A kind of shell of shielded electrical connector Download PDFInfo
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- CN207818986U CN207818986U CN201820071131.2U CN201820071131U CN207818986U CN 207818986 U CN207818986 U CN 207818986U CN 201820071131 U CN201820071131 U CN 201820071131U CN 207818986 U CN207818986 U CN 207818986U
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- cylindrical shell
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Abstract
The utility model discloses a kind of shell of shielded electrical connector comprising the cylindrical shell and shielding ring of coaxial arrangement；Shielding ring quantity is two, is symmetrically connected on the both ends of cylindrical shell；Shielding ring inner ring circumference is equipped with shielding spiral slot；Shielding ring connects the opposite end of column shell one end equipped with the screw thread for connecting external equipment；Multiple pin holes are equipped in cylindrical shell；Using circumference where axis projection of the shielding ring on cylindrical shell as boundary, 1 or more pin holes are all equipped with where projection within circumference and except circumference where projection.The utility model can be applied to multicore shielding formula electric connector, and shield effectiveness is preferable, the connector especially suitable for signal transmission under oil well.
Description
Technical field
The utility model is related to multicore electromagnetic shielding technical field of electric connectors, especially one kind being operated in strong low frequency electromagnetic
Electrical connector housing under field, high temperature and high pressure environment is particularly suitable for being equipped with the electric connector of underground signal transmission.
Background technology
Currently, with the development of electronic component, the electric connector of numerous models is derived, these electric connectors exist
Different field has a wide range of applications.Connection and transferring device of the electric connector as electric signal, the letter of electromagnetic armouring structure
Number transmission stability and electric stability are particularly important, need to reduce noise jamming, while ensureing signal transmission quality, convenient for passing
The signal of transmission of data is analyzed.Electric connector is broadly divided into rectangular configuration and circular configuration, the electric connector of two kinds of different structures
Shielding construction mainly uses metal shell to shield, and metallic shield screen covers, and shield effectiveness is relatively limited, designs a kind of electromagnetic screen
The electric connector for covering excellent effect is extremely urgent.
Since electric connector type is different, working environment is different, and structure and performance are different.In petroleum equipment field
Electric connector be operated under oil well, around along with high-tension cable and various transmission signal lines, electromagnetic interference is stronger, one
As shielding construction be unable to reach shielding electromagnetic interference.
Utility model content
The purpose of this utility model is to provide a kind of shell of shielded electrical connector, can be applied to multicore shielding formula electricity
Connector, shield effectiveness are preferable.
The technical solution that the utility model is taken is：A kind of shell of shielded electrical connector, includes the column of coaxial arrangement
Shape shell and shielding ring；Shielding ring quantity is two, is symmetrically connected on the both ends of cylindrical shell；
Shielding ring inner ring circumference is equipped with shielding spiral slot；The opposite end of shielding ring connection column shell one end, which is equipped with, to be used for
Connect the screw thread of external equipment；
Multiple pin holes are equipped in cylindrical shell；Using circumference where axis projection of the shielding ring on cylindrical shell as boundary,
1 or more pin holes are all equipped with where projection within circumference and except circumference where projection.
In the utility model, cylindrical shell and shielding ring are integrally formed using metal material.
Further, the utility model is additionally provided with seal groove along the circumference of cylindrical shell.
Preferably, the seal groove quantity is 2.
Further, the shell of the utility model shielded electrical connector further includes being coaxially disposed with cylindrical shell
Guide ring, guide ring one end connects one end of cylindrical shell, and guide ring is sheathed on outside shielded-plate tube.
Further, multiple location holes are laid with along the guide ring circumference.When location hole can be used for contact pin assembly
Or shell positioning when shell processing, positioning hole number is preferably 3, is connected between each location hole hole heart and the place circumference center of circle
The angle of line is 120.
Further, the opposite end circumference of cylindrical shell connection guide ring one end is equipped with step flange.Step flange is set
One end be connector shell main compression end, be arranged guide ring one end be connector shell secondary compression end.
As a kind of embodiment of the utility model, when the utility model is applied to 35 core shielded connector, cylindrical shell
35 pin holes are inside equipped with, pin holes are coaxially disposed with cylindrical shell one of in 35 pin holes, remaining 34 contact pin
Hole is divided into first group, second group and third group for 5,14,15 according to quantity, and every group of pin holes are arranged in one and column shell
On the coaxial circumference of body, the diameter of circumference is sequentially increased where first group, second group and third group pin holes, and shields loop diameter
Circle diameter where more than first group pin holes is less than diameter where second group of pin holes.
Preferably, pin holes are distributed along place even circumferential in first group and third group, second group with third group pin holes
It is staggered；Arranged in numerical order to pin holes in second group according to putting in order, wherein No. 1 pin holes and No. 14 pin holes hole hearts with
The line angle in the circumference center of circle is 48 degree where pin holes, the line between remaining successive pins hole hole heart and the place circumference center of circle
Angle be 24 degree.
Preferably, the opposite end inner peripheral portion of shielding ring connection column shell one end is equipped with external internal thread.For with it is other outer
Portion's equipment is fixed.
Preferably, the side of the external internal thread of shielding ring towards cylindrical shell one end is equipped with escape.It can facilitate in external
The processing withdrawing of screw thread.
Preferably, cylindrical shell, guide ring and shielding ring are to be integrally formed using high-temperature alloy material.High temperature alloy material
Material belongs to steel material, it can provide effective magnetic loop so that the magnetic line of force is siphoned away by high-temperature high-pressure material, it can effectively shield
Cover low and 0.01MHz electromagnetic interferences.
Advantageous effect
The utility model realizes the shielding of multi-core connector using the combination of columnar metal shell and shielding ring, can be applied to
Multicore shielding formula electric connector, shield effectiveness are preferable.The setting of guide ring can facilitate the installation of contact pin, while play protection contact pin
Effect.Meanwhile the utility model can also facilitate the sealing of the installation realization connector of sealing ring.
Description of the drawings
Fig. 1 show a kind of structural schematic diagram of the 35 core shielded connector shell of specific embodiment of the utility model；
Fig. 2 show the left view of Fig. 1；
Fig. 3 show the right view of Fig. 1；
Fig. 4 show the jack distributed architecture schematic diagram in Fig. 1 embodiments；
In figure, 1- cylindrical shells, 2- guide rings, 3- step flanges, 4- location holes, 5- pin holes, 6- seal grooves, 7- screens
Cover pipe, 8- shielding spiral slots, the external internal threads of 9-, 10- escapes.
Specific implementation mode
It is further described below in conjunction with the drawings and specific embodiments.
In conjunction with shown in Fig. 1 to Fig. 4, the shell of the shielded electrical connector of the utility model includes the column of coaxial arrangement
Shell 1 and shielding ring 7；7 quantity of shielding ring is two, is symmetrically connected on the both ends of cylindrical shell 1；
7 inner ring circumference of shielding ring is equipped with shielding spiral slot 8；The opposite end that shielding ring connects column shell one end is equipped with use
In the screw thread 9 of connection external equipment；
Multiple pin holes 5 are equipped in cylindrical shell 1；It is with circumference where axis projection of the shielding ring 7 on cylindrical shell 1
Boundary is all equipped with 1 or more pin holes 5 within circumference and except circumference where projection where projection.
Embodiment 1
It is additionally provided with seal groove 6 along the circumference of cylindrical shell 1, seal groove quantity is 2.
The shell of shielded electrical connector, further includes the guide ring 2 being coaxially disposed with cylindrical shell 1, and 2 one end of guide ring connects
One end of cylindrical shell 1 is connect, and guide ring 2 is sheathed on outside shielded-plate tube 7.
2 length of guide ring prevents contact pin when assembly from exposing 2 end face of guide ring, guide ring 2 plays protection contact pin there are surplus
2 effect prevents from injuring contact pin when docking.
It is laid with multiple location holes 4 along 2 circumference of the guide ring.Location hole 4 can be used for when contact pin assembles or shell
Shell positioning when processing, positioning hole number is preferably 3, the angle of line between each location hole hole heart and the place circumference center of circle
It is 120.
The opposite end circumference that cylindrical shell 1 connects 2 one end of guide ring is equipped with step flange 3.One end that step flange 3 is arranged is
One end of the main compression end of connector shell, setting guide ring 2 is the secondary compression end of connector shell.
The opposite end inner peripheral portion that shielding ring 7 connects 1 one end of cylindrical shell is equipped with external internal thread 9.For being set with other outsides
It is standby to be fixed.
The side of the external internal thread of shielding ring towards cylindrical shell one end is equipped with escape.Adding for external internal thread can be facilitated
Work withdrawing.
Shielding spiral slot 8 plays internal anti-electric for placing shielding spiral, shielding spiral winding conductor shield
Magnetic disturbance acts on.
Pin holes 5 are internally provided with step, play positioning and position-limiting action.When the purpose is to prevent sintering from assembling, ceramics are along slotting
Pin hole 5 slides, and step design can play accurately positioning and position-limiting action.
Cylindrical shell, guide ring and shielding ring are to be integrally formed using high-temperature alloy material.High-temperature alloy material belongs to
Steel material, it can provide effective magnetic loop so that the magnetic line of force is siphoned away by high-temperature high-pressure material, it can effectively shield it is low with
0.01MHz electromagnetic interferences.
Embodiment 2
35 are equipped on the basis of embodiment 1, when the utility model is applied to 35 core shielded connector, in cylindrical shell to insert
Pin hole, pin holes are coaxially disposed with cylindrical shell one of in 35 pin holes, remaining 34 pin holes is according to quantity 5
It is a, 14,15 be divided into first group, second group and third group, every group of pin holes are arranged in a circle coaxial with cylindrical shell
Zhou Shang, the diameter of circumference is sequentially increased where first group, second group and third group pin holes, and is shielded loop diameter and be more than first group
Circle diameter where pin holes is less than diameter where second group of pin holes.
Refering to Fig. 4,35 pin holes are arranged in 35 core shielded electrical connector metal shells altogether, with 7 place circumference of shielded-plate tube
For boundary, pin holes 5 are divided into inside and outside two-part annular distribution：It is ranked up according to No. 1-35, there are 6 pin holes 5 in inside, i.e.,
30-35 pin holes, No. 35 pin holes 5 are located at 7 center of shielded-plate tube, remaining 5 pin holes 5 and No. 30-34 are inserted positioned at center
The outer shroud of pin hole 5 is simultaneously uniformly distributed；29 pin holes 5 outside shielded-plate tube 7 are distributed in two layers, 15 pin holes 5 of outer layer, i.e.,
1-15 pin holes are evenly distributed, 14 pin holes 5 of internal layer, i.e. 16-29 pin holes, wherein No. 22 pin holes and the
No. 23 pin holes are in 48 degree of angles with the line of central point respectively, remaining successive pins hole is in that 24 degree of angles are distributed.
For shielded-plate tube 7 by helicitic texture and external equipment slitless connection, effectively shielding is external is less than 0.01MHz electromagnetic fields pair
The influence of 6 contact pin signal transmissions of circumferential inner, plays first layer protective action where the projection of shielded-plate tube 7；The length of shielded-plate tube 7
It when design, prevents contact pin when assembly from exposing the end face of shielded-plate tube 7, and prevents contact pin in production from encountering other objects, damage is inserted
Needle plays the role of protecting contact pin.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (10)
1. a kind of shell of shielded electrical connector, characterized in that the cylindrical shell including coaxial arrangement and shielding ring；Shielding ring
Quantity is two, is symmetrically connected on the both ends of cylindrical shell；
Shielding ring inner ring circumference is equipped with shielding spiral slot；The opposite end that shielding ring connects column shell one end is equipped with for connecting
The screw thread of external equipment；
Multiple pin holes are equipped in cylindrical shell；Using circumference where axis projection of the shielding ring on cylindrical shell as boundary, projection
1 or more pin holes are all equipped within the circumference of place and except circumference where projection.
2. the shell of shielded electrical connector according to claim 1, characterized in that the circumference along cylindrical shell is additionally provided with
Seal groove.
3. the shell of shielded electrical connector according to claim 2, characterized in that the seal groove quantity is 2.
4. the shell of shielded electrical connector according to claim 1, characterized in that further include coaxially being set with cylindrical shell
The guide ring set, guide ring one end connects one end of cylindrical shell, and guide ring is sheathed on outside shielded-plate tube.
5. the shell of shielded electrical connector according to claim 4, characterized in that laid along the guide ring circumference
There are multiple location holes.
6. the shell of shielded electrical connector according to claim 5, characterized in that cylindrical shell connects guide ring one end
Opposite end circumference be equipped with step flange.
7. the shell of shielded electrical connector according to claim 1, characterized in that be equipped with 35 contact pins in cylindrical shell
Hole, pin holes are coaxially disposed with cylindrical shell one of in 35 pin holes, remaining 34 pin holes according to quantity 5,
14,15 are divided into first group, second group and third group, and every group of pin holes are arranged in a circumference coaxial with cylindrical shell
On, the diameter of circumference is sequentially increased where first group, second group and third group pin holes, and is shielded loop diameter and be more than first group and insert
Circle diameter where pin hole is less than diameter where second group of pin holes.
8. the shell of shielded electrical connector according to claim 7, characterized in that pin holes in first group and third group
It is distributed along place even circumferential, second group is staggered with third group pin holes；According to putting in order to pin holes in second group
It arranges in numerical order, wherein No. 1 pin holes are 48 degree with No. 14 pin holes hole hearts and the line angle in the circumference center of circle where pin holes,
The angle of line between the remaining successive pins hole hole heart and the place circumference center of circle is 24 degree.
9. the shell of shielded electrical connector according to claim 1, characterized in that shielding ring connects column shell one end
Opposite end inner peripheral portion be equipped with external internal thread.
10. the shell of shielded electrical connector according to claim 1, characterized in that the external internal thread direction of shielding ring
The side of cylindrical shell one end is equipped with escape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071131.2U CN207818986U (en) | 2018-01-16 | 2018-01-16 | A kind of shell of shielded electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071131.2U CN207818986U (en) | 2018-01-16 | 2018-01-16 | A kind of shell of shielded electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818986U true CN207818986U (en) | 2018-09-04 |
Family
ID=63327467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820071131.2U Active CN207818986U (en) | 2018-01-16 | 2018-01-16 | A kind of shell of shielded electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818986U (en) |
-
2018
- 2018-01-16 CN CN201820071131.2U patent/CN207818986U/en active Active
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