CN113937546A - High-temperature-resistant sealed short-circuit-proof socket - Google Patents

High-temperature-resistant sealed short-circuit-proof socket Download PDF

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Publication number
CN113937546A
CN113937546A CN202110988003.0A CN202110988003A CN113937546A CN 113937546 A CN113937546 A CN 113937546A CN 202110988003 A CN202110988003 A CN 202110988003A CN 113937546 A CN113937546 A CN 113937546A
Authority
CN
China
Prior art keywords
socket
layer
insulator
high temperature
short circuit
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.)
Pending
Application number
CN202110988003.0A
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Chinese (zh)
Inventor
王德智
张利彬
王志廷
张俊
邵海丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Aerospace Electronic Technology Co Ltd
Original Assignee
Hangzhou Aerospace Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Aerospace Electronic Technology Co Ltd filed Critical Hangzhou Aerospace Electronic Technology Co Ltd
Priority to CN202110988003.0A priority Critical patent/CN113937546A/en
Publication of CN113937546A publication Critical patent/CN113937546A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/508—Bases; Cases composed of different pieces assembled by a separate clip or spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a high-temperature-resistant sealed short-circuit-proof socket, which comprises a front socket shell and a rear socket shell, wherein a front surface layer is arranged in the front socket shell, a movable layer is arranged at one end of the rear socket shell, a back surface layer is arranged at the other end of the rear socket shell, double jacks are arranged on the front surface layer, double contact pins are arranged on the movable layer, jacks are arranged on the back surface layer, a first sealing ring is arranged between the movable layer and the rear socket shell, and a spring is arranged between the movable layer and the back surface layer, and the high-temperature-resistant sealed short-circuit-proof socket has the advantages that: through the first sealing washer between the casing behind activity layer and the socket, because first sealing washer sets up behind activity layer and socket between the casing, consequently can realize the radial seal on activity layer, the effectual instant of having solved current plug and socket separation, high temperature ablation thing passes the activity layer under certain pressure and gets into the back layer and lead to the short circuit problem between the contact.

Description

High-temperature-resistant sealed short-circuit-proof socket
Technical Field
The invention relates to a high-temperature-resistant sealed short-circuit-proof socket.
Background
The high temperature resistant and sealed socket of the electric connector is a key technology for separating and dropping the electric connector, and the common structures at home and abroad are as follows: double-deck high temperature resistant short circuit socket, double-deck and three-layer seal prevent short circuit socket etc.. The double-layer high-temperature-resistant short-circuit-proof socket cannot realize a sealing function; the double-layer and three-layer sealed short-circuit-proof socket can realize the short-circuit-proof function under the effects of socket sealing and short-time high-temperature flame resistance after the plug is separated from the socket, but the sealant and the structure of the socket cannot bear the long-time high-temperature effect.
Along with the continuous development of science and technology, high technology fields such as aerospace have proposed higher requirement to the separation electric connector that drops, not only after the plug that separates the electric connector that drops under traditional environment separates with the socket, the socket can bear tens of seconds high pressure sealing effect and high temperature and prevent the short circuit requirement, further proposed in order to avoid after the plug that separates the electric connector separates with the socket, the socket leaks gas after bearing 800 ℃ high temperature environment effect 30min, leak water and lead to socket back layer contact short circuit, it needs to possess long-time high temperature to insert the seat, seal and prevent the short circuit function, traditional bilayer, three-layer socket can not satisfy the requirement of model owing to do not possess long-time high temperature resistant, the sealing function.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant sealed short-circuit-proof socket, which can ensure the sealing effect of the socket when a plug is separated from the socket and realize the short-circuit-proof function of the socket.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a high temperature resistant sealed short circuit prevention socket, casing behind socket procapsid and socket, be equipped with the positive layer in the socket procapsid, the one end of casing is equipped with movable layer behind the socket, the other end of casing is equipped with the back layer behind the socket, be equipped with the duplex hole on the positive layer, be equipped with the duplex pin on the movable layer, be equipped with the jack on the back layer, be equipped with first sealing washer between the casing behind movable layer and the socket, be equipped with the spring between movable layer and the back layer, when plug and socket are inserted, the elasticity of spring is overcome on the movable layer and the duplex pin is triggered and the jack electrical contact switches on, and when plug and socket separation, the movable layer relies on the elasticity of spring and triggers the separation of duplex pin and jack.
Preferably, the front surface layer is provided with a guide sleeve, a guide post moving along the axial direction of the guide sleeve is arranged in the guide sleeve, and when the plug is inserted into the socket, the plug acts on the guide post to push the movable layer to move.
Preferably, a second sealing ring is arranged between the guide pillar and the fixed sleeve.
Preferably, the guide post is provided with a boss abutting against the movable layer, and the guide sleeve is provided with a step abutting against the boss.
Preferably, the front surface layer includes a first insulator and a second insulator, the first insulator is disposed in the front housing of the socket, and the second insulator is fixed to the first insulator by a sealant.
Preferably, the movable layer comprises a sintering body, the double contact pins are fixed on the sintering body through glass sintering, and the first sealing ring is arranged on the sintering body.
Preferably, the sintering body is provided with a groove for fixing the first sealing ring.
Preferably, the sintered body is provided with a spring sleeve, the back layer is provided with a fixing groove matched with the spring sleeve, one end of the spring abuts against the spring sleeve, and the other end of the spring abuts against the fixing groove.
Preferably, the back layer comprises a third insulator and a fourth insulator, the third insulator and the fourth insulator are fixedly connected in the socket rear shell, and the jack is arranged between the third insulator and the fourth insulator.
Preferably, the third insulator is fixed in the rear housing of the socket by a collar, and the fourth insulator is fixed in the rear housing of the socket by a nut.
In conclusion, the invention has the advantages that: through the first sealing washer between the casing behind active layer and the socket, because first sealing washer sets up behind active layer and socket between the casing, consequently, can realize the radial seal of active layer, the effectual instant of having solved current plug and socket separation, high temperature ablation thing passes the active layer under certain pressure and gets into the back layer and lead to the short circuit problem between the contact, secondly, set up the spring between active layer and back layer, consequently, when plug and socket plug, the elasticity that need overcome the spring during active layer motion just can realize the electric contact of double contact pin and jack and switch on, on the other hand, after plug and socket separation, the active layer realizes the separation of active layer and back layer under the elasticity effect of spring, the electric contact disconnection of double contact pin and jack promptly, consequently, the short circuit prevention function of socket has been realized.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a high temperature resistant sealed short-circuit prevention socket according to the present invention;
fig. 2 is a partially enlarged view of a in fig. 1.
Reference numerals:
the socket comprises a front socket shell 1, a rear socket shell 2, a front socket shell 3, a double-jack 30, a guide sleeve 31, a guide pillar 32, a boss 33, a step 34, a second sealing ring 35, a first insulator 36, a second insulator 37, a sealant 38, a movable layer 4, a double-pin 40, a sintered body 41, a groove 42, a spring sleeve 43, a back layer 5, a jack 50, a fixed groove 51, a third insulator 52, a fourth insulator 53, a clamping ring 54, a nut 55, a first sealing ring 6 and a spring 7.
Detailed Description
As shown in fig. 1 and 2, a high temperature resistant sealed short circuit prevention socket, casing 2 behind socket procapsid 1 and the socket, be equipped with front layer 3 in the socket procapsid 1, the one end of casing 2 is equipped with movable layer 4 behind the socket, the other end of casing 2 is equipped with back layer 5 behind the socket, be equipped with duplex hole 30 on the front layer 3, be equipped with duplex pin 40 on the movable layer 4, be equipped with jack 50 on the back layer 5, be equipped with first sealing washer 6 between movable layer 4 and the socket casing 2, be equipped with spring 7 between movable layer 4 and the back layer 5, when plug and socket are inserted, movable layer 4 overcomes spring 7's elasticity and triggers duplex pin 40 and jack 50 electrical contact and switch on, when plug and socket separation, movable layer 4 relies on spring 7's elasticity and triggers the separation of duplex pin 40 and jack 50.
Through the first sealing ring 6 between the active layer 4 and the socket rear shell 2, because the first sealing ring 6 is arranged between the active layer 4 and the socket rear shell 2, therefore, the radial sealing of the active layer 4 can be realized, the problem of short circuit between contact points caused by the fact that high-temperature ablation objects pass through the active layer 4 and enter the back layer 5 under certain pressure at the moment of separating the existing plug and the socket is effectively solved, secondly, a spring 7 is provided between the active layer 4 and the back layer 5, so that, when the plug and socket are plugged in, when the movable layer 4 moves, the elastic force of the spring 7 needs to be overcome to realize the electric contact conduction between the double-pin 40 and the jack 50, and on the other hand, when the plug is separated from the socket, the active layer 4 is separated from the back layer 5 under the elastic force of the spring 7, i.e., the electrical contact of the bi-pin 40 with the receptacle 50 is broken, thus achieving the anti-short function of the socket.
The front layer 3 is provided with a guide sleeve 31, a guide post 32 axially moving along the guide sleeve 31 is arranged in the guide sleeve 31, when the plug and the socket are inserted, the plug acts on the guide post 32 to push the movable layer 4 to move, on one hand, through the guide matching of the guide post 32 and the guide sleeve 31, the straightness of the movable layer 4 during left and right movement can be realized, the conduction and separation of the double-pin 40 and the jack 50 are ensured, on the other hand, the acting force when the plug and the socket are inserted is applied to the movable layer 4 through the guide post 32, the acting force of the guide post 32 on the movable layer 4 can be reduced, and the damage of the movable layer 4 is reduced.
A second sealing ring 35 is arranged between the guide post 32 and the fixed sleeve, which can realize the radial sealing effect between the guide post 32 and the fixed sleeve, and ensure the sealing performance when the guide post 32 moves, a boss 33 abutting against the movable layer 4 is arranged on the guide post 32, a step 34 abutting against the boss 33 is arranged on the guide sleeve 31, and the arrangement of the boss 33 can increase the contact area between the guide post 32 and the movable layer 4, on one hand, ensure the stability when the movable layer 4 moves, in addition, the arrangement of the boss 33 and the step 34 can limit the movable displacement of the guide post 32, and avoid the movable layer 4 from falling off the socket rear shell 2, the front surface layer 3 comprises a first insulator 36 and a second insulator 37, the first insulator 36 is arranged in the socket front shell 1, the second insulator 37 is fixed on the first insulator 36 through a sealant 38, and the sealant 38 can ensure the sealing performance between the first insulator 36 and the second insulator 37, the sealant 38 in this embodiment is a high temperature resistant sealant 38, and the front layer 3 has good high temperature resistance, so that heat transfer is effectively slowed down.
The movable layer 4 comprises a sintered body 41, the double-insertion pin 40 is fixed on the sintered body 41 through glass sintering, the first sealing ring 6 is arranged on the sintered body 41, the installation process of the double-insertion pin 40 and the sintered body 41 can be simplified, the glass sintering can improve the strength of the whole movable layer 4, secondly, the first sealing ring 6 is arranged on the sintered body 41, the damage of the first sealing ring 6 in the installation process is avoided, a groove 42 for fixing the first sealing ring 6 is arranged on the sintered body 41, the rapid installation and fixation of the first sealing ring 6 can be realized, the sealing performance of the sintered body 41 and the socket rear shell 2 is improved, a spring 7 sleeve 43 is arranged on the sintered body 41, a fixing groove 51 matched with the spring 7 sleeve 43 is arranged on the back surface layer 5, one end of the spring 7 is abutted against the spring 7 sleeve 43, the other end of the spring 7 is abutted against the fixing groove 51, spring 7 cover 43's setting can play spacing function to spring 7, prevents spring 7 compression in-process spring 7's stability, avoids spring 7's rocking from top to bottom, and spring 7's fixed slot 51's setting can not only be realized to the setting, can realize spring 7 cover 43's direction removal moreover, guarantees the stationarity when sintering body 41 side-to-side motion.
The back surface layer 5 comprises a third insulator 52 and a fourth insulator 53, the third insulator 52 and the fourth insulator 53 are fixedly connected in the socket rear shell 2, the insertion hole 50 is arranged between the third insulator 52 and the fourth insulator 53, and the back layer 5 is arranged into the third insulator 52 and the fourth insulator 53, so that the structure of the back layer 5 can be simplified, and the insertion hole 50 can be conveniently installed and fixed, in the embodiment, the fixing groove 51 is arranged on the third insulator 52, the third insulator 52 is fixed in the socket rear shell 2 through a clamping ring 54, the fourth insulator 53 is fixed in the socket rear shell 2 through a nut 55, the clamping ring 54 can simplify the installation process of the third insulator 52 and improve the fixing quality of the third insulator 52, and the nut 55 not only can realize the fixation of the fourth insulator 53, but also can ensure the tightness of the fourth insulator 53 and the third insulator 52 after being installed.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.

Claims (10)

1. The utility model provides a high temperature resistant sealed short circuit prevention socket, casing behind socket procapsid and the socket, its characterized in that: be equipped with the positive layer in the socket procapsid, the one end of casing is equipped with the active layer behind the socket, the other end of casing is equipped with the back layer behind the socket, be equipped with duplex hole on the positive layer, be equipped with the bi-pin on the active layer, be equipped with the jack on the back layer, be equipped with first sealing washer between active layer and the socket back casing, be equipped with the spring between active layer and the back layer, when plug and socket plug, the elasticity of spring is overcome on the active layer and trigger the bi-pin and switch on with the jack electrical contact, and when plug and socket separation, the active layer relies on the elasticity of spring and triggers the separation of duplex pin and jack.
2. The high temperature resistant sealed short circuit proof socket of claim 1, wherein: the front layer is provided with a guide sleeve, a guide post moving along the axial direction of the guide sleeve is arranged in the guide sleeve, and when the plug is inserted into the socket, the plug acts on the guide post to push the movable layer to move.
3. The high temperature resistant sealed short circuit proof socket of claim 2, wherein: and a second sealing ring is arranged between the guide post and the fixed sleeve.
4. The high temperature resistant sealed short circuit proof socket of claim 2, wherein: the guide post is provided with a boss which is abutted against the movable layer, and the guide sleeve is provided with a step which is abutted against the boss.
5. A high temperature resistant sealed short circuit proof socket according to claim 1 or 2, wherein: the front surface layer comprises a first insulator and a second insulator, the first insulator is arranged in the front shell of the socket, and the second insulator is fixed on the first insulator through sealant.
6. The high temperature resistant sealed short circuit proof socket of claim 1, wherein: the movable layer comprises a sintering body, the double contact pins are fixed on the sintering body through glass sintering, and the first sealing ring is arranged on the sintering body.
7. The high temperature resistant sealed short circuit proof socket of claim 6, wherein: and a groove for fixing the first sealing ring is formed in the sintering body.
8. The high temperature resistant sealed short circuit proof socket of claim 6, wherein: the sintering body is provided with a spring sleeve, the back layer is provided with a fixing groove matched with the spring sleeve, one end of the spring abuts against the spring sleeve, and the other end of the spring abuts against the fixing groove.
9. The high temperature resistant sealed short circuit proof socket of claim 1, wherein: the back layer comprises a third insulator and a fourth insulator, the third insulator and the fourth insulator are fixedly connected in the socket rear shell, and the jack is arranged between the third insulator and the fourth insulator.
10. The high temperature resistant sealed short circuit proof socket of claim 9, wherein: the third insulator is fixed in the socket rear shell through a clamping ring, and the fourth insulator is fixed in the socket rear shell through a nut.
CN202110988003.0A 2021-08-26 2021-08-26 High-temperature-resistant sealed short-circuit-proof socket Pending CN113937546A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110988003.0A CN113937546A (en) 2021-08-26 2021-08-26 High-temperature-resistant sealed short-circuit-proof socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110988003.0A CN113937546A (en) 2021-08-26 2021-08-26 High-temperature-resistant sealed short-circuit-proof socket

Publications (1)

Publication Number Publication Date
CN113937546A true CN113937546A (en) 2022-01-14

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ID=79274739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110988003.0A Pending CN113937546A (en) 2021-08-26 2021-08-26 High-temperature-resistant sealed short-circuit-proof socket

Country Status (1)

Country Link
CN (1) CN113937546A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6447323B1 (en) * 2001-06-22 2002-09-10 Mitsutoshi Watanabe Power source cable connector
CN101051715A (en) * 2007-05-23 2007-10-10 杭州航天电子技术有限公司 Underwater anti-short circuit separate electric connector
CN102437488A (en) * 2011-08-23 2012-05-02 湖州开合电子有限公司 Short circuit preventing socket and electric connector
CN203103657U (en) * 2012-12-18 2013-07-31 中航光电科技股份有限公司 Environment resistant electric connector assembly and socket thereof
CN105186195A (en) * 2015-08-14 2015-12-23 杭州航天电子技术有限公司 Underwater short circuit prevention separating electric connector capable of synchronous unlocking
CN109659761A (en) * 2018-11-30 2019-04-19 中航光电科技股份有限公司 A kind of small underwater separate connector of the anti-short circuit of overall process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6447323B1 (en) * 2001-06-22 2002-09-10 Mitsutoshi Watanabe Power source cable connector
CN101051715A (en) * 2007-05-23 2007-10-10 杭州航天电子技术有限公司 Underwater anti-short circuit separate electric connector
CN102437488A (en) * 2011-08-23 2012-05-02 湖州开合电子有限公司 Short circuit preventing socket and electric connector
CN203103657U (en) * 2012-12-18 2013-07-31 中航光电科技股份有限公司 Environment resistant electric connector assembly and socket thereof
CN105186195A (en) * 2015-08-14 2015-12-23 杭州航天电子技术有限公司 Underwater short circuit prevention separating electric connector capable of synchronous unlocking
CN109659761A (en) * 2018-11-30 2019-04-19 中航光电科技股份有限公司 A kind of small underwater separate connector of the anti-short circuit of overall process

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