CN101604801B - Small sealed high-voltage resistant connector and split insulator used for connector - Google Patents
Small sealed high-voltage resistant connector and split insulator used for connector Download PDFInfo
- Publication number
- CN101604801B CN101604801B CN2009103045164A CN200910304516A CN101604801B CN 101604801 B CN101604801 B CN 101604801B CN 2009103045164 A CN2009103045164 A CN 2009103045164A CN 200910304516 A CN200910304516 A CN 200910304516A CN 101604801 B CN101604801 B CN 101604801B
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- insulator
- connector
- shell
- contact
- voltage resistant
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Abstract
The invention discloses a small sealed high-voltage resistant connector. The inside of a shell of the connector is provided with a contact part along the axial direction; a front insulator and a rear insulator are arranged between the contact part and the shell; an O-ring sleeved on an outer circle of the contact part is clamped between the front insulator and the rear insulator; and an inner ring and an outer ring of the O-ring is axially extruded by the front insulator and the rear insulator to form the sealing between the contact part and the inner wall of the shell. The connector simplifies the process of the prior complicated manufacturing technology, greatly improves the rate of finished products, and greatly reduces the manufacturing cost for sockets on the premise of satisfying various performances; and the O-ring is firmly clamped and then partitions the air gap between the shell of the connector and the contact part to form the sealing, which increases the voltage withstanding index of the connector and can fully satisfy the application on special occasions. The invention also provides a split insulator used for the small sealed high-voltage resistant connector.
Description
Technical field
The invention belongs to technical field of electric connectors, particularly a kind of small-sized good bubble-tight high-tension connector that has.
Background technology
At present, along with the high speed development of science and technology, increasingly high requirement has been proposed employed connector in the electronic technology.Need use the electric connector of the very little single contact of a kind of external diameter at some special occasions, its face of plugging together is merely 6.5mm, and this connector not only requires to have good gas sealing ability, and its leakage rate is 1.0x10
-10Pa.m
3/ s, and after this connector plugs together, also must have high voltage bearing performance, its proof voltage is more than 5000V.
In the existing technology, this connector there are two manufacture methods:
1. adopt ceramic post sintering to accomplish, utilize pottery as insulator, and the contact and the shell of connector connected as one, but its shortcoming is: the technological requirement of ceramic post sintering is very high, make that the defect rate of product is too high, thereby the cost of product is too high;
2. adopt glass sintering to accomplish; The contact and the shell of connector are sintered to one, and its shortcoming is: the insulating barrier of connector is thinner, and the glass sintering difficult forming; Thereby it is very high to the requirement of mould; And the withstand voltage index of glass is unstable, and the connector proof voltage index of processing is defective, therefore is not suitable for using in high voltage withstanding occasion.
And no matter adopt above-mentioned which method to make, its shell and contact all are sintered to one, make connector when damage, can't keep in repair, and can only abandon, thereby more increase the use cost of connector.
Summary of the invention
Task of the present invention is the defective to prior art, and a kind of small sealed high-voltage resistant connector is provided, and that this connector has is simple in structure, make characteristics such as use cost is low.
Technical scheme of the present invention is: a kind of small sealed high-voltage resistant connector; Comprise connector shell; Be provided with contact in the shell vertically; Be provided with insulator between contact and the shell; Said insulator comprises sleeve preceding insulator in the enclosure and back insulator, between said forward and backward insulator, is folded with the O RunddichtringO on the cylindrical that is sleeved on contact, the inside and outside circle of this O-ring seals by forward and backward insulator axial compression and and between contact and outer casing inner wall, form sealing behind contact and the outer casing inner wall.
The anterior inserted terminal of said connector shell and rear portion stiff end are respectively arranged with and are used for the stepped hole that cooperates with the insulator thrust, said forward and backward insulator respectively with the corresponding each other also thrust of said forward and backward stepped hole cooperation; Insulator offers axial central through hole respectively with the center of back insulator before said; In central through hole, be coated with contact; The cylindrical of this contact is provided with the positioning step that cooperates with front and back insulator thrust respectively, and said O RunddichtringO is sleeved on the cylindrical of this positioning step.
Said back insulator and connector shell are for being threaded.
Insulator is the loop overlapping shape structure before said, and the running-on of this preceding insulator also is provided with seal gasket towards the grafting direction of connector in its cover bottom surface, and the sealing rubber cushion radially is set on the contact and with the cover bottom surface of preceding insulator is identical and cooperates.
Said seal gasket is provided with annular protrusion towards the edge of the one side of running-on.
On the front end outer wall of said shell, offer connecting thread.
Outer wall middle part at said shell radially convexes with adpting flange.
Said adpting flange is the regular hexagon structure.
Adopt said structure; The structure that connector of the present invention adopts between the forward and backward two-part insulator folder to establish O type circle seals connector; Its preceding insulator has improved the creepage distance between contact and the connector shell, and back insulator clamps O type circle through screw thread, after O type circle is clamped air gap between connector shell and the contact is cut off the formation sealing; Increase the proof voltage index of connector, can satisfy the application under the special occasions fully; In addition, the connector among the present invention is oversimplified the manufacture craft process of existing complicacy, and the rate of finished products of product greatly improves; Under the prerequisite that satisfies each item performance, greatly reduce the cost of manufacture of socket; Simultaneously, this connector is a removable structure, can change fault part wherein when in connector, glitch occurring; Can save the use and maintenance cost of connector, for the small sealed high-voltage resistant product provides an other mentality of designing.
The present invention also provides a kind of split type insulator that is used for above-mentioned small-sized high-voltage resistant connector; It is made up of preceding insulator, back insulator and the O RunddichtringO that is folded between two insulators; The axle center of two insulators all offers the through hole that is used to install contact, is equipped with respectively on the cylindrical of described forward and backward two insulators to be used for the positioning step that cooperates with the connector shell thrust.
Offer the connecting thread that is used to connect connector shell on the cylindrical of said back insulator, also be provided with the positioning step hole that is used for fixing contact therein on the hole wall of heart through hole.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, small sealed high-voltage resistant connector comprises connector shell 5, in shell 5, is fixed with contact 1 through insulator before cooperating with shell 5 inwall sleeves 2 and back insulator 6.The anterior inserted terminal of connector shell 5 and the stiff end at rear portion are respectively arranged with and are used for the stepped hole 51,52 that cooperates with the insulator thrust; Wherein stepped hole 52 diameters at connector rear portion are greater than the diameter in its front step hole 51, and forward and backward insulator 2,6 cooperates with the corresponding each other also thrust of forward and backward stepped hole 51,52 respectively; Center at preceding insulator 2 and back insulator 6 offers axial central through hole respectively, and in the through hole before and after contact 1 is installed in the insulator 2,6, the cylindrical of this contact 1 is provided with the positioning step 11 that cooperates with 2,6 thrusts of front and back insulator respectively.At forward and backward insulator 2, also be folded with an O RunddichtringO 4 between 6, this O-ring seals 4 is sleeved on the positioning step 11 of cylindrical of contact 1 and between the inwall of contact 1 and shell 5, is cutting off air gap after the axial compression that receives forward and backward insulator 2,6 and forming sealing.
During assembling; Successively preceding insulator 2, contact 1, O RunddichtringO 4 are packed in the connector shell 5 earlier; Preceding insulator 2, contact 1 and O RunddichtringO 4 are located through the step surface that thrust cooperates successively; To the rear portion that back insulator 6 is enclosed within outside the contact 1 and screws in connector shell 5 then, with O RunddichtringO jam-packed, and sealant pouring and sealing is fixed between back insulator 6 and shell 5.
For increasing the air-tightness of connector; Its preceding insulator 2 is the loop overlapping shape structure; The running-on of insulator 2 is provided with seal gasket 3 towards the grafting direction of connector in its cover bottom surface before being somebody's turn to do, and sealing rubber cushion 3 radially is set on the contact 1 and with the cover bottom surface of preceding insulator 2 is identical and cooperates.For making things convenient for the assembling of connector, insulator 6 and connector shell 5 are for being threaded thereafter.On the outer circumference surface of the inserted terminal of connector shell 5, also offer connecting thread.Convex with the adpting flange 7 of regular hexagon structure at the middle part of connector shell 5 cylindricals.
Claims (8)
1. small sealed high-voltage resistant connector; Comprise connector shell; Be provided with contact in the shell vertically, be provided with insulator between contact and the shell, it is characterized in that; Said insulator comprises sleeve preceding insulator in the enclosure and back insulator; Between said forward and backward insulator, be folded with the O RunddichtringO on the cylindrical that is sleeved on contact, the inside and outside end face of this O RunddichtringO by forward and backward insulator axial compression after its internal and external circumferential edge respectively with contact outer peripheral face and outer casing inner wall face seal contact matching, thereby between contact and outer casing inner wall, form sealing.
2. small sealed high-voltage resistant connector according to claim 1; It is characterized in that; The anterior inserted terminal of said connector shell is provided with and is used for the front step hole that cooperates with the insulator thrust; The rear portion stiff end of said connector shell is provided with and is used for the backward step hole that cooperates with the insulator thrust, said forward and backward insulator respectively with the corresponding each other and thrust cooperation of forward and backward stepped hole of said connector shell; Insulator offers axial central through hole respectively with the center of back insulator before said; In central through hole, be coated with contact; The cylindrical of this contact is provided with the positioning step that cooperates with front and back insulator thrust respectively, and said O RunddichtringO is sleeved on the cylindrical of this positioning step.
3. small sealed high-voltage resistant connector according to claim 1 and 2 is characterized in that, said back insulator and connector shell are for being threaded.
4. small sealed high-voltage resistant connector according to claim 1 and 2; It is characterized in that; Insulator is the loop overlapping shape structure before said; The running-on of insulator also is provided with seal gasket towards the grafting direction of connector in its cover bottom surface before being somebody's turn to do, and the sealing rubber cushion radially is set on the contact and with the cover bottom surface of preceding insulator is identical and cooperates.
5. small sealed high-voltage resistant connector according to claim 4 is characterized in that said seal gasket is provided with annular protrusion towards the edge of the one side of running-on.
6. small sealed high-voltage resistant connector according to claim 1 is characterized in that, on the front end outer wall of said shell, offers connecting thread.
7. small sealed high-voltage resistant connector according to claim 1 is characterized in that, radially convexes with adpting flange at the outer wall middle part of said shell.
8. small sealed high-voltage resistant connector according to claim 7 is characterized in that, said adpting flange is the regular hexagon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103045164A CN101604801B (en) | 2009-07-18 | 2009-07-18 | Small sealed high-voltage resistant connector and split insulator used for connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103045164A CN101604801B (en) | 2009-07-18 | 2009-07-18 | Small sealed high-voltage resistant connector and split insulator used for connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101604801A CN101604801A (en) | 2009-12-16 |
| CN101604801B true CN101604801B (en) | 2012-07-04 |
Family
ID=41470409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103045164A Expired - Fee Related CN101604801B (en) | 2009-07-18 | 2009-07-18 | Small sealed high-voltage resistant connector and split insulator used for connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101604801B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633467A (en) * | 2013-11-28 | 2014-03-12 | 四川永贵科技有限公司 | Contactor assembly of electric connector |
| CN107689501B (en) * | 2016-08-03 | 2024-03-26 | 中天海洋系统有限公司 | Contact assembly and connector with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261126B1 (en) * | 1998-02-26 | 2001-07-17 | Cabletel Communications Corp. | Coaxial cable connector with retractable bushing that grips cable and seals to rotatable nut |
| CN201113063Y (en) * | 2007-10-27 | 2008-09-10 | 贵州航天电器股份有限公司 | Sealing radio frequency coaxial electric connector capable of resisting high or low temperature and low magnetic conductivity |
| CN201498752U (en) * | 2009-07-18 | 2010-06-02 | 中航光电科技股份有限公司 | Small sealed high voltage resistant connector and separated insulator thereof |
-
2009
- 2009-07-18 CN CN2009103045164A patent/CN101604801B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261126B1 (en) * | 1998-02-26 | 2001-07-17 | Cabletel Communications Corp. | Coaxial cable connector with retractable bushing that grips cable and seals to rotatable nut |
| CN201113063Y (en) * | 2007-10-27 | 2008-09-10 | 贵州航天电器股份有限公司 | Sealing radio frequency coaxial electric connector capable of resisting high or low temperature and low magnetic conductivity |
| CN201498752U (en) * | 2009-07-18 | 2010-06-02 | 中航光电科技股份有限公司 | Small sealed high voltage resistant connector and separated insulator thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101604801A (en) | 2009-12-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130718 |