CN202749596U - High temperature heavy current high voltage connector plug - Google Patents
High temperature heavy current high voltage connector plug Download PDFInfo
- Publication number
- CN202749596U CN202749596U CN2012204404477U CN201220440447U CN202749596U CN 202749596 U CN202749596 U CN 202749596U CN 2012204404477 U CN2012204404477 U CN 2012204404477U CN 201220440447 U CN201220440447 U CN 201220440447U CN 202749596 U CN202749596 U CN 202749596U
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- CN
- China
- Prior art keywords
- insulating sleeve
- outer conductor
- nut
- high temperature
- conductor cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a high temperature heavy current high voltage connector plug, comprising an insulating sleeve, a threaded sleeve, an outer conductor, a snap ring, a nut, a pressing sleeve, a line pressing sleeve, and a jack axle which are horizontally arranged and coaxial, wherein inside the jack axle there are provided mutually spaced first and second arrangement cavities in front and back direction, inside the first arrangement cavity there are orderly provided first, second, third and fourth steps from front to back, inside the first arrangement cavity there are provided two spring pieces respectively located between the first and second steps and between the third and fourth steps, the spring pieces are respectively and circumferentially provided with a plurality of grooves and are plated, and the spring pieces are prepared by a high temperature resistant elastic alloy. When the high temperature heavy current high voltage connector plug is matched and connected with a socket, high temperature resistant high voltage resistant coaxial elastic contact is formed between the jack axle and the insertion tab axle of the socket, thereby effectively reducing contact resistance, being small in temperature rise, and being capable of bearing a heavy current. The high temperature heavy current high voltage connector plug is good in high temperature resistance.
Description
Technical field
The utility model relates to a kind of high temperature large-current high-voltage connector plug.
Background technology
At present, existing large-current high-voltage connector plug, of a great variety, structure is also different, but mostly exist the relatively poor defective of resistance to elevated temperatures, some plugs do not stint and adopt labyrinth, precious materials, so that cost are higher in order to improve resistance to elevated temperatures.
The utility model content
Technical problem to be solved in the utility model provides the better high temperature large-current high-voltage connector plug of a kind of resistance to elevated temperatures.
For solving the problems of the technologies described above, the utility model provides a kind of high temperature large-current high-voltage connector plug, and it comprises horizontal arrangement and coaxial insulating sleeve, swivel nut, outer conductor cover, snap ring, nut, gland, line ball cover, jack axle;
The front end of insulating sleeve has the first internal projecting ring, and the rear side of insulating sleeve is provided with circular boss;
The jack axle inserts in the inner chamber of insulating sleeve, and the first internal projecting ring reclines with the front end front and back of jack axle and contacts, axial the first placing chamber and second placing chamber of layout and mutually isolation before and after having in the jack axle;
The front side of swivel nut is shaped with internal thread, and there is the second internal projecting ring the rear end of swivel nut;
The front end of outer conductor cover has the shaft shoulder and the 3rd internal projecting ring, and there is an annular groove that is used for holding snap ring the front side of outer conductor cover, and the rear side of outer conductor cover has external screw thread;
The internal thread suitable with the external screw thread of outer conductor cover rear side arranged in the nut, the rear side of nut arranges a vertical connecting plate and forms a pit that extends back by connecting plate, the rear side of connecting plate arrange one extend axially and with the projection of nut coaxial line, have an installing hole that axially connects connecting plate and communicate with nut intracavity in the projection, projection exceeds the pit certain distance;
The internal diameter of gland is less than the internal diameter of line ball cover;
Insulating sleeve, the inside and outside socket of outer conductor cover, the 3rd internal projecting ring reclines with the boss front and back and contacts, so that the outer conductor cover obtains axial location;
Outer conductor cover, the inside and outside socket of swivel nut, the shaft shoulder reclines with the second internal projecting ring front and back and contacts, so that swivel nut extends to the front side of insulating sleeve, snap ring is installed in the groove, the rear side of nut and outer conductor cover spins, the front side of connecting plate respectively with the rear end in contact of outer conductor cover and insulating sleeve;
Projection respectively with the inside and outside socket of gland, line ball cover, gland insert in the pit and with the inboard close contact of the hole wall of pit, contact reclines before and after gland, the line ball cover;
First step, second step, the 3rd step, the 4th step are arranged in the first placing chamber from front to back successively, locate between the inherent first step of the first placing chamber, the second step and the 3rd step, the 4th step between locate respectively to arrange a reed that circumferentially has some grooves and surface gold-plating, the material of reed is resistant to elevated temperatures elastic alloy.
For the purpose of the concise description problem, below to high temperature large-current high-voltage connector plug described in the utility model all referred to as this plug.
As everyone knows, on the basis that guarantees two reed self intensity spaced apart from each other, the number of slotting on each reed is more, so that insertion force and contact resistance are less.Like this, when this plug and socket are connected, become high temperature resistant and high voltage bearing coaxial Elastic Contact between the contact pin axle of jack axle and socket, contact resistance effectively reduces, temperature rise is little, can carry larger electric current.Therefore, the resistance to elevated temperatures of this plug is better.
Improvement as this plug, rear side in the described insulating sleeve is provided with the 5th step, front side with respect to boss, the 5th step is away from the front end of insulating sleeve, inherent the 5th step of insulating sleeve, locate to have successively from front to back coaxial the first ceramic gasket that reclines between the rear end of insulating sleeve, the first sealing ring, the second ceramic gasket, the second sealing ring, the 3rd ceramic gasket, three ceramic gaskets are hollow-core construction, the material of two sealing rings is fluorosioloxane rubber, shape is smooth continuous O shape, hardness is controlled at Rockwell hardness HRC 60 ± 5, and the front side of connecting plate contacts with the 3rd ceramic gasket.
This plug and plug cable (it generally comprises plastics outer jointing jacket, metal screen layer, plastics internal protective cover, metal core wire) are when being connected: the front side of heart yearn puts in the second placing chamber of jack axle rear side jack axle and heart yearn crimping through the installing hole of line ball cover, projection, three ceramic gaskets, two sealing rings; The front side of plastics internal protective cover puts in three ceramic gaskets, two sealing rings through the installing hole of line ball cover, projection; Plastics outer jointing jacket, screen are in the line ball cover puts in annular chamber between line ball cover and the projection, and the plastics outer jointing jacket contacts with the inwall that line ball overlaps, and screen contacts with the outer wall of projection.Like this, by three ceramic gaskets that cooperatively interact, two sealing rings, make the hermetic seal that strengthened of heart yearn, plastics internal protective cover, further improve the resistance to elevated temperatures of this plug.
In addition, after the improvement structure more than adopting, also can guarantee outgas and the radiation-resistant property of this plug, and so that the dielectric withstanding voltage better performances of jack axle, heart yearn, screen.
According to detection, after this plug was connected with socket, contact resistance was less than 1 milliohm, loaded current can reach 18A, in addition, jack axle, heart yearn, screen all can bear the dielectric withstanding voltage test of 12kV d.c. in the test box of ground and 50mTorr (millitorr).This plug can use in many environment of high temperature, and suitable application area is wider.
Description of drawings
Fig. 1 is the structural representation of this plug.
Embodiment
Below in conjunction with accompanying drawing execution mode of the present utility model is specifically described:
Referring to Fig. 1: this plug comprises horizontal arrangement and coaxial insulating sleeve 1, swivel nut 2, outer conductor cover 3, snap ring 4, nut 5, gland 6, line ball cover 7, be used for the jack axle 8 of attachment plug cable.
The front end of insulating sleeve 1 has the first internal projecting ring 1a, and the rear side of insulating sleeve 1 is provided with circular boss 1b, and the rear side in the insulating sleeve 1 is provided with the 5th step 1c, and with respect to the front side of boss 1b, the 5th step 1c is away from the front end of insulating sleeve 1.Locate to have successively from front to back coaxial the first ceramic gasket 9 that reclines, the first sealing ring 10, the second ceramic gasket 11, the second sealing ring 12, the 3rd ceramic gasket 13 between the rear end of insulating sleeve 1 inherent the 5th step 1c, insulating sleeve 1, three ceramic gaskets are hollow-core construction, and the material of two sealing rings is fluorosioloxane rubber, shape is smooth continuous O shape, hardness and is controlled at Rockwell hardness HRC60 ± 5.
Jack axle 8 inserts in the inner chamber of insulating sleeve 1, and the first internal projecting ring 1a reclines with the front end front and back of jack axle 8 and contacts, so that jack axle 8 obtains axial location in insulating sleeve 1.Axial the first placing chamber 8f and the second placing chamber 8g that arrange and mutually isolate before and after having in the jack axle 8, first step 8a, second step 8b, the 3rd step 8c, the 4th step 8d are arranged in the first placing chamber 8f from front to back successively, locate between the inherent first step 8a of the first placing chamber 8f, the second step 8b and the 3rd step 8c, the 4th step 8d between locate respectively to arrange a reed 8e who circumferentially has 10 grooves and surface gold-plating, the material of reed 8e is resistant to elevated temperatures elastic alloy (as: GH90).
The front side of swivel nut 2 is shaped with internal thread, and there is the second internal projecting ring 2a the rear end of swivel nut 2.The front end of outer conductor cover 3 has shaft shoulder 3a and the 3rd internal projecting ring 3b, and there is an annular groove 3c who is used for holding snap ring 4 front side of outer conductor cover 3, and the rear side of outer conductor cover 3 has external screw thread.Have in the nut 5 with outer conductor and overlap the suitable internal thread of the external screw thread of 3 rear sides, the rear side of nut 5 arranges a vertical connecting plate 5a and forms a pit 5b who extends back by connecting plate 5a, the rear side of connecting plate 5a arrange one extend axially and with the projection 5c of nut 5 coaxial lines, have an installing hole 5d who axially connects connecting plate 5a and communicate with nut 5 inner chambers in the projection 5c, projection 5c exceeds pit 5b certain distance.The internal diameter of gland 6 is less than the internal diameter of line ball cover 7.
Insulating sleeve 1, the 3 inside and outside sockets of outer conductor cover, the 3rd internal projecting ring 3b reclines with boss 1b front and back and contacts, so that outer conductor cover 3 obtains axial location.
The material of insulating sleeve 1 adopts 95% alundum (Al2O3) pottery, and the material of swivel nut 2, jack axle 8 adopts iron-nickel alloy 4J33.
This plug and plug cable (it generally comprises plastics outer jointing jacket A, metal screen layer B, plastics internal protective cover C, metal core wire D) are when being connected: the front side of heart yearn D puts among the second placing chamber 8g of jack axle 8 rear sides through line ball cover 7, the installing hole 5d of projection 5c, three ceramic gaskets, two sealing rings, jack axle 8 and heart yearn D crimping; The front side of plastics internal protective cover C puts in three ceramic gaskets, two sealing rings through the installing hole 5d of line ball cover 7, projection 5c; Plastics outer jointing jacket A, screen B are in line ball overlaps 7 annular chambers that put between line ball cover 7 and the projection 5c, and plastics outer jointing jacket A contacts with the inwall of line ball cover 7, and screen B contacts with the outer wall of projection 5c.Like this, by three ceramic gaskets that cooperatively interact, two sealing rings, make heart yearn D, the plastics internal protective cover C hermetic seal that strengthened, further improve the resistance to elevated temperatures of this plug.
Above-described only is a kind of execution mode of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection range of the present utility model.
Claims (2)
1. high temperature large-current high-voltage connector plug, it comprises horizontal arrangement and coaxial insulating sleeve, swivel nut, outer conductor cover, snap ring, nut, gland, line ball cover, jack axle;
The front end of insulating sleeve has the first internal projecting ring, and the rear side of insulating sleeve is provided with circular boss;
The jack axle inserts in the inner chamber of insulating sleeve, and the first internal projecting ring reclines with the front end front and back of jack axle and contacts, axial the first placing chamber and second placing chamber of layout and mutually isolation before and after having in the jack axle;
The front side of swivel nut is shaped with internal thread, and there is the second internal projecting ring the rear end of swivel nut;
The front end of outer conductor cover has the shaft shoulder and the 3rd internal projecting ring, and there is an annular groove that is used for holding snap ring the front side of outer conductor cover, and the rear side of outer conductor cover has external screw thread;
The internal thread suitable with the external screw thread of outer conductor cover rear side arranged in the nut, the rear side of nut arranges a vertical connecting plate and forms a pit that extends back by connecting plate, the rear side of connecting plate arrange one extend axially and with the projection of nut coaxial line, have an installing hole that axially connects connecting plate and communicate with nut intracavity in the projection, projection exceeds the pit certain distance;
The internal diameter of gland is less than the internal diameter of line ball cover;
Insulating sleeve, the inside and outside socket of outer conductor cover, the 3rd internal projecting ring reclines with the boss front and back and contacts, so that the outer conductor cover obtains axial location;
Outer conductor cover, the inside and outside socket of swivel nut, the shaft shoulder reclines with the second internal projecting ring front and back and contacts, so that swivel nut extends to the front side of insulating sleeve, snap ring is installed in the groove, the rear side of nut and outer conductor cover spins, the front side of connecting plate respectively with the rear end in contact of outer conductor cover and insulating sleeve;
Projection respectively with the inside and outside socket of gland, line ball cover, gland insert in the pit and with the inboard close contact of the hole wall of pit, contact reclines before and after gland, the line ball cover;
It is characterized in that:
First step, second step, the 3rd step, the 4th step are arranged in the first placing chamber from front to back successively, locate between the inherent first step of the first placing chamber, the second step and the 3rd step, the 4th step between locate respectively to arrange a reed that circumferentially has some grooves and surface gold-plating, the material of reed is resistant to elevated temperatures elastic alloy.
2. high temperature large-current high-voltage connector plug according to claim 1 is characterized in that:
Rear side in the described insulating sleeve is provided with the 5th step, front side with respect to boss, the 5th step is away from the front end of insulating sleeve, inherent the 5th step of insulating sleeve, locate to have successively from front to back coaxial the first ceramic gasket that reclines between the rear end of insulating sleeve, the first sealing ring, the second ceramic gasket, the second sealing ring, the 3rd ceramic gasket, three ceramic gaskets are hollow-core construction, the material of two sealing rings is fluorosioloxane rubber, shape is smooth continuous O shape, hardness is controlled at Rockwell hardness HRC 60 ± 5, and the front side of connecting plate contacts with the 3rd ceramic gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204404477U CN202749596U (en) | 2012-08-31 | 2012-08-31 | High temperature heavy current high voltage connector plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204404477U CN202749596U (en) | 2012-08-31 | 2012-08-31 | High temperature heavy current high voltage connector plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749596U true CN202749596U (en) | 2013-02-20 |
Family
ID=47708951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204404477U Withdrawn - After Issue CN202749596U (en) | 2012-08-31 | 2012-08-31 | High temperature heavy current high voltage connector plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820585A (en) * | 2012-08-31 | 2012-12-12 | 中国电子科技集团公司第四十研究所 | High-temperature, large-current and high-voltage connector plug |
| CN105958242A (en) * | 2016-06-30 | 2016-09-21 | 中国电子科技集团公司第四十研究所 | Small multi-core high-voltage connector |
-
2012
- 2012-08-31 CN CN2012204404477U patent/CN202749596U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820585A (en) * | 2012-08-31 | 2012-12-12 | 中国电子科技集团公司第四十研究所 | High-temperature, large-current and high-voltage connector plug |
| CN102820585B (en) * | 2012-08-31 | 2014-11-05 | 中国电子科技集团公司第四十研究所 | High-temperature, large-current and high-voltage connector plug |
| CN105958242A (en) * | 2016-06-30 | 2016-09-21 | 中国电子科技集团公司第四十研究所 | Small multi-core high-voltage connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |