CN106129711A - Flame proof electric connector - Google Patents

Flame proof electric connector Download PDF

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Publication number
CN106129711A
CN106129711A CN201610530945.3A CN201610530945A CN106129711A CN 106129711 A CN106129711 A CN 106129711A CN 201610530945 A CN201610530945 A CN 201610530945A CN 106129711 A CN106129711 A CN 106129711A
Authority
CN
China
Prior art keywords
insulator
flame proof
electric connector
explosion suppresion
suppresion surface
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.)
Granted
Application number
CN201610530945.3A
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Chinese (zh)
Other versions
CN106129711B (en
Inventor
王超
王庆家
熊贤翠
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.)
China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical 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 China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Publication of CN106129711A publication Critical patent/CN106129711A/en
Application granted granted Critical
Publication of CN106129711B publication Critical patent/CN106129711B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to electrical connection field, particularly to a kind of flame proof electric connector.Flame proof electric connector, including electric connector housing, electric connector housing inner chamber is provided with insulator, electric connector housing is tubular shell, insulator is the column insulator adaptive with barrel-type casing, and tubular shell inner peripheral surface is provided with along its axially extended housing explosion suppresion surface, and column insulator outer peripheral face is provided with along its axially extended insulator explosion suppresion surface, housing explosion suppresion surface and described insulator explosion suppresion surface matched in clearance, form the insulator flame proof gap along axially extending first preseting length of insulator.Insulator explosion suppresion surface forms insulator flame proof gap with housing explosion suppresion surface matched in clearance, and insulator flame proof gap can weaken the energy that blast produces, it is to avoid explosive ignites external environment condition, it is achieved flame proof effect, in this manner it is possible to do not use end cap to realize flame proof function.

Description

Flame proof electric connector
Technical field
The present invention relates to electrical connection field, particularly to a kind of flame proof electric connector.
Background technology
In various electrical equipments, the consumption of electric connector is increasing, during use, needs electric connector to have not Same function, to adapt to different use occasions, such as in explosive gas atmosphere, it is necessary to installs tool on flameproof cabinet There is the electric connector of flame proof function.
Prior art also there is the electric connector with flame proof function, the inserted terminal assembling end of existing flame proof electric connector Lid, makes that adapter is inside and outside to be environmentally isolated, and plays flame proof effect.The assembling to end cap when but this type electric connector uses Require extremely strict, be otherwise easy to make flame proof electric connector lose flame proof function, and because end cap and socket are two structures Part, once end cap is lost, and socket just loses explosion prevention function, it is impossible to use.
Summary of the invention
It is an object of the invention to provide a kind of end cap that need not and can realize the flame proof electric connector of flame proof function.
The flame proof art of electrical connectors scheme of the present invention is: flame proof electric connector, including electric connector housing, electric connector Being provided with insulator in housing cavity, described electric connector housing is tubular shell, and described insulator is and described tubular The column insulator of casing adaptor, described tubular shell inner peripheral surface is provided with along its axially extended housing explosion suppresion surface, described Column insulator outer peripheral face be provided with along its axially extended insulator explosion suppresion surface, described housing explosion suppresion surface is exhausted with described Edge body explosion suppresion surface matched in clearance, forms the insulator flame proof gap along described axially extending first preseting length of insulator.
The first described preseting length is more than 12.5mm, and described insulator flame proof gap is less than or equal to 0.15mm.
Described flame proof electric connector is provided with the mating side for plugging together, described flame proof with suitable electric connector adaptation The outer peripheral face of the electric connector housing of electric connector mating side or inner peripheral surface are provided with axially extending along it, for being electrically connected with adaptation The inner peripheral surface or the outer peripheral face matched in clearance that connect device housing mating side form the explosion suppresion surface that plugs together plugging together flame proof gap, and described plugs together Explosion suppresion surface is along described axially extending second preseting length of flame proof electric connector.
The second described preseting length is more than 12.5mm, and described plugs together flame proof gap less than or equal to 0.15mm.
The invention have the benefit that insulator explosion suppresion surface and housing explosion suppresion surface matched in clearance are formed between insulator flame proof Gap, insulator flame proof gap can weaken the energy that blast produces, it is to avoid explosive ignites external environment condition, it is achieved flame proof effect, In this manner it is possible to do not use end cap to realize flame proof function.
Accompanying drawing explanation
Fig. 1 is the schematic diagram during flame proof electric connector use of the present invention;
Fig. 2 is the structural representation of pin connector in Fig. 1;
Fig. 3 is the structural representation of socket connector in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of the flame proof electric connector of the present invention, as shown in Figure 1 to Figure 3, flame proof electric connector is slotting respectively Head connector and socket connector, pin connector includes plug casing 12, is provided with plug insulator in plug casing 12 inner chamber 111, plug insulator 111 is fixed on the Plug contact in the inner chamber of plug casing 12, on plug insulator 111 by collar Installing hole is provided with Plug contact 14, Plug contact installing hole be provided with along its axially extended contact cavity every Quick-fried, Plug contact 14 is cylindrical contact, and the outer peripheral face of Plug contact 14 is provided with along its axially extending contact Explosion suppresion surface, installing hole explosion suppresion surface and contact explosion suppresion surface matched in clearance, formed and set along Plug contact the axially extending 3rd The Plug contact flame proof gap 17 of length, the 3rd preseting length is more than 12.5mm, Plug contact flame proof gap 17 less than or Person is equal to 0.15mm, and plug casing 12 is the housing of tubular, and plug insulator 111 is the post of the shape adaptation with plug casing 12 Shape insulator, the inner peripheral surface of plug casing 12 is provided with along its axially extended housing explosion suppresion surface, the periphery of plug insulator 111 Face is provided with along its axially extended insulator explosion suppresion surface, housing explosion suppresion surface and insulator explosion suppresion surface matched in clearance, is formed along inserting The plug insulator flame proof gap 110 of head axially extending first preseting length of insulator, the first preseting length is more than 12.5mm, inserts Head insulator flame proof gap 110 is less than or equal to 0.15mm, and the outer peripheral face of the mating side of plug casing 12 is provided with along its axle Plug together explosion suppresion surface 113 to the plug extended, plug plug together explosion suppresion surface 113 can with in the mating side of adaptive socket connector Socket on side face plugs together explosion suppresion surface 29 matched in clearance, formed along axially extending second preseting length of pin connector plug together every Quick-fried gap 30, the second preseting length is more than 12.5mm, plugs together flame proof gap 30 and is less than or equal to 0.15mm, plug casing 12 Mating side is provided with socket-head cap 11, protects plug when plug and socket disconnects, makes plug mating side seal, and is inserting simultaneously The side face that head end cover 11 and plug casing 12 coordinate is provided with side face sealing ring 13, end face is provided with end face seal end 15, promotes The sealing property of mating side, plug casing 12 is rotatably equipped with coupling nut 16, and coupling nut can be at plug casing with 16 Rotate on 12, so that socket-head cap 11 or socket and plug plug together, this enforcement is by the female thread on coupling nut 16 Coordinating with the external screw thread on Socket casing, it is achieved the connection of plug and socket, coupling nut 16 is with slotting in other embodiments Seat can also be connected by bayonet socket or multiple thread, and coupling nut 16 is provided with holding screw 19, when plug and socket-head cap Or after plug plugs together, for being fixed by coupling nut 16, plug casing deviates from the other end of mating side and is provided with connection adnexa 112, it is used for connecting cable and pin connector, the face connecting adnexa 112 and plug casing cooperation is provided with connection adnexa sealing Circle 18, promotes the sealing connected between adnexa and pin connector.
Socket connector includes Socket casing 21, is provided with socket insulator 22 in the inner chamber of Socket casing 21, and socket insulate Body 22 is fixed in the inner chamber of Socket casing 21 by collar 25, is provided with in the socket contact installing hole of socket insulator 22 Socket contact 23, socket contact installing hole is provided with along its axially extended installing hole explosion suppresion surface, outside socket contact 23 Side face is provided with along its axle upwardly extending contact explosion suppresion surface, installing hole explosion suppresion surface and contact explosion suppresion surface matched in clearance, shape Becoming the socket contact flame proof gap 27 along axially extending 3rd preseting length of socket contact, the 3rd preseting length is more than 12.5mm, socket contact flame proof gap 17 is less than or equal to 0.15mm, and Socket casing 21 is the housing of tubular, and socket insulate Body 22 is the column insulator of the shape adaptation with Socket casing 21, and the inner peripheral surface of Socket casing 21 is provided with along it axially extending Housing explosion suppresion surface, the outer peripheral face of socket insulator 22 is provided with along its axially extended insulator explosion suppresion surface, housing explosion suppresion surface With insulator explosion suppresion surface matched in clearance, formed along between the socket insulator flame proof of axially extending first preseting length of socket insulator Gap 210, the first preseting length is more than 12.5mm, and socket insulator flame proof gap 210 is less than or equal to 0.15mm, Socket casing Being axially arranged with socket along it on the inner peripheral surface of the mating side of 21 and plug together explosion suppresion surface 29, socket plugs together explosion suppresion surface 29 can be with adaptation Plug on the outer peripheral face of the mating side of pin connector plugs together explosion suppresion surface 113 matched in clearance, is formed and axially prolongs along electric connector That stretches the second preseting length plugs together flame proof gap 30, and the second preseting length is more than 12.5mm, plug together flame proof gap 30 less than or Equal to 0.15mm, the mating side of Socket casing 21 is provided with socket end cap 24, protects socket when plug and socket disconnects, makes socket Mating side seals, and socket deviates from one end of mating side and is provided with for installation into the installed surface on casing, and installed surface is provided with Gasket seal 26, promotes the sealing property that socket is connected with casing, the outer peripheral face that socket coordinates with casing sets when socket is installed Having installation explosion suppresion surface, installing explosion suppresion surface can coordinate with the explosion suppresion surface on casing, formation flame proof gap, in other embodiments, Explosion suppresion surface can also be flame proof thread, directly screws on casing.
During the electric coupler component of the present invention uses, the plug insulator on pin connector and Socket casing it Between, form plug insulator flame proof gap and Plug contact flame proof gap between plug insulator and Plug contact respectively, Making pin connector inner chamber be isolated from the outside, plug inside generation explosion time, under the effect in flame proof gap, is blast ejecta It is in close contact with explosion suppresion surface, the beneficially reduction of temperature;The structure of outside ejecta flame is the most also destroyed in flame proof gap, makes tap web Flame becomes ligule, increases the contact area of flame and explosion suppresion surface, is beneficial to cooling;The speed of the most slow blast in flame proof gap ejecta Degree, extends cool time, strengthens cool time;There is gas leakage pressure release effect in flame proof gap, and in reducing plug casing, explosive is produced Raw pressure.So, blast produce energy gradually fail, outside of will not igniting because flame proof not by end cap seal every Quick-fried, even if the most not using end cap, explosion insulation performance is still unaffected.Similar with pin connector, socket connector is also It is by forming socket insulator flame proof gap and socket contact flame proof gap, making socket inner chamber be isolated from the outside, it is achieved every Quick-fried effect, also it doesn't matter with end cap for explosion insulation performance, will not lose because of end cap and affect explosion insulation performance.Pin connector and socket are even Connect device when plugging together, plug together flame proof gap and make pin connector and socket connector mating side form explosion-proof chamber, it is achieved inserting position Flame proof effect.The contact of pin connector and socket connector is all installed on insulator by matched in clearance, it is possible to use In pressure line type cable product, and owing to contact can be dismantled, once damage due to contact, contact is dismantled and carries out Keep in repair or change.When installing casing and being flameproof cabinet, the installation explosion suppresion surface of socket connector makes cabinets cavity with outer Chamber isolates, it is achieved casing flame proof;When installing casing and being common casing, plug and socket mutually plugs together and can realize inside cable Flame proof, it is therefore desirable to the socket mounting hole on casing does not has flame proof requirement, it is only necessary to ensure install.
In the present invention is above-mentioned enforcement, Plug contact flame proof gap, plug insulator flame proof gap, socket contact Flame proof gap, socket insulator flame proof gap and plug together the length dimension in flame proof gap and gap size be all for implementing in Pin connector or the physical dimension of socket connector set, in other embodiments, those skilled in the art is also The concrete structure size of flame proof adapter can be combined according to the standard about explosion suppresion surface and different length size and clearance ruler are set Very little flame proof gap.

Claims (4)

1. flame proof electric connector, including electric connector housing, is provided with insulator in electric connector housing inner chamber, it is characterised in that: Described electric connector housing is tubular shell, and described insulator is the column insulator adaptive with described barrel-type casing, Described tubular shell inner peripheral surface is provided with along its axially extended housing explosion suppresion surface, and described column insulator outer peripheral face sets Have along its axially extended insulator explosion suppresion surface, described housing explosion suppresion surface and described insulator explosion suppresion surface matched in clearance, shape Become the insulator flame proof gap along described axially extending first preseting length of insulator.
Flame proof electric connector the most according to claim 1, it is characterised in that: the first described preseting length is more than 12.5mm, described insulator flame proof gap is less than or equal to 0.15mm.
Flame proof electric connector the most according to claim 1 and 2, it is characterised in that: described flame proof electric connector is provided with use In the mating side plugged together with suitable electric connector adaptation, outside the electric connector housing of described flame proof electric connector mating side Side face or inner peripheral surface are provided with axially extending along it, between the inner peripheral surface or outer peripheral face of mating electrical connector housing mating side Gap cooperatively forms the explosion suppresion surface that plugs together plugging together flame proof gap, and the described explosion suppresion surface that plugs together axially prolongs along described flame proof electric connector Stretch the second preseting length.
Flame proof electric connector the most according to claim 3, it is characterised in that: the second described preseting length is more than 12.5mm, described plugs together flame proof gap less than or equal to 0.15mm.
CN201610530945.3A 2016-03-31 2016-07-07 Flame proof electric connector Active CN106129711B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2016101977516 2016-03-31
CN201610197751 2016-03-31

Publications (2)

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CN106129711A true CN106129711A (en) 2016-11-16
CN106129711B CN106129711B (en) 2019-06-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111355105A (en) * 2020-03-19 2020-06-30 南通市通州区三槐机械制造有限公司 Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device
CN113193426A (en) * 2021-04-29 2021-07-30 中航光电科技股份有限公司 Connector socket, connector assembly and equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101223675A (en) * 2005-07-12 2008-07-16 库珀·克劳斯-海因兹有限责任公司 Explosion-proof connector
CN101673899A (en) * 2009-09-30 2010-03-17 中航光电科技股份有限公司 High pressure resistance sealed connector and adaptor thereof
CN101707310A (en) * 2009-09-30 2010-05-12 中航光电科技股份有限公司 Sealed switching connector
CN203377426U (en) * 2013-07-31 2014-01-01 乐清市精泰防爆电器厂 Anti-explosion pin
CN104319569A (en) * 2014-10-17 2015-01-28 中航光电科技股份有限公司 Flame-proof connector socket

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101223675A (en) * 2005-07-12 2008-07-16 库珀·克劳斯-海因兹有限责任公司 Explosion-proof connector
CN101673899A (en) * 2009-09-30 2010-03-17 中航光电科技股份有限公司 High pressure resistance sealed connector and adaptor thereof
CN101707310A (en) * 2009-09-30 2010-05-12 中航光电科技股份有限公司 Sealed switching connector
CN203377426U (en) * 2013-07-31 2014-01-01 乐清市精泰防爆电器厂 Anti-explosion pin
CN104319569A (en) * 2014-10-17 2015-01-28 中航光电科技股份有限公司 Flame-proof connector socket

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
唐秩,董海波: "《矿山电工学》", 31 December 2011 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111355105A (en) * 2020-03-19 2020-06-30 南通市通州区三槐机械制造有限公司 Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device
CN113193426A (en) * 2021-04-29 2021-07-30 中航光电科技股份有限公司 Connector socket, connector assembly and equipment
CN113193426B (en) * 2021-04-29 2022-05-13 中航光电科技股份有限公司 Connector socket, connector assembly and equipment

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