CN106129711B - Flame proof electric connector - Google Patents
Flame proof electric connector Download PDFInfo
- Publication number
- CN106129711B CN106129711B CN201610530945.3A CN201610530945A CN106129711B CN 106129711 B CN106129711 B CN 106129711B CN 201610530945 A CN201610530945 A CN 201610530945A CN 106129711 B CN106129711 B CN 106129711B
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- CN
- China
- Prior art keywords
- flame proof
- insulator
- electric connector
- explosion suppresion
- plug
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- 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.)
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Classifications
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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
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to electrical connection field, in particular to a kind of flame proof electric connectors.Flame proof electric connector, including electric connector housing, insulator is equipped in electric connector housing inner cavity, electric connector housing is tubular shell, insulator is the column insulator being adapted to barrel-type casing, and tubular shell inner peripheral surface is equipped with along its axially extending shell explosion suppresion surface, and column insulator outer peripheral surface is equipped with along its axially extending insulator explosion suppresion surface, shell explosion suppresion surface and the insulator explosion suppresion surface clearance fit form the insulator flame proof gap along the axially extending first setting length of insulator.Insulator explosion suppresion surface and shell explosion suppresion surface clearance fit form insulator flame proof gap, and insulator flame proof gap can weaken the energy that explosion generates, and explosive is avoided to ignite external environment, realize flame proof effect, in this manner it is possible to realize flame proof function without using end cap.
Description
Technical field
The present invention relates to electrical connection field, in particular to a kind of flame proof electric connectors.
Background technique
In various electrical equipments, the dosage of electric connector is increasing, in use process, electric connector is needed to have not
Same function, to adapt to different use occasions, such as in explosive gas atmosphere, it is necessary to tool is installed on flameproof cabinet
There is the electric connector of flame proof function.
Also occur that there is the electric connector of flame proof function, the inserted terminal assembly side of existing flame proof electric connector in the prior art
Lid, makes connector is inside and outside to be environmentally isolated, plays flame proof effect.But the assembly when use of this type electric connector to end cap
It is required that it is extremely stringent, it is otherwise easy to that flame proof electric connector is made to lose flame proof function, and because end cap and socket are two structures
Part, once end cap is lost, socket just loses explosion prevention function, is not available.
Summary of the invention
The object of the present invention is to provide a kind of end caps that do not need, and the flame proof electric connector of flame proof function can be realized.
Flame proof art of electrical connectors scheme of the invention are as follows: flame proof electric connector, including electric connector housing, electric connector
Insulator is equipped in housing cavity, the electric connector housing is tubular shell, and the insulator is and the tubular
The column insulator of casing adaptor, the tubular shell inner peripheral surface is equipped with along its axially extending shell explosion suppresion surface, described
Column insulator outer peripheral surface be equipped with along its axially extending insulator explosion suppresion surface, the shell explosion suppresion surface with it is described exhausted
Edge body explosion suppresion surface clearance fit forms the insulator flame proof gap along the axially extending first setting length of insulator.
The first setting length is greater than 12.5mm, and the insulator flame proof gap is less than or equal to 0.15mm.
The flame proof electric connector be equipped with for be adapted electric connector and be adapted to the mating side plugged together, the flame proof
The outer peripheral surface or inner peripheral surface of the electric connector housing of electric connector mating side be equipped with it is axially extending along its, for being electrically connected with being adapted to
The inner peripheral surface or outer peripheral surface clearance fit for connecing device shell mating side form the explosion suppresion surface that plugs together for plugging together flame proof gap, and described plugs together
Explosion suppresion surface is along the axially extending second setting length of flame proof electric connector.
The second setting length is greater than 12.5mm, and described plugs together flame proof gap less than or equal to 0.15mm.
The invention has the benefit that insulator explosion suppresion surface and shell explosion suppresion surface clearance fit are formed between insulator flame proof
Gap, insulator flame proof gap can weaken the energy that explosion generates, and explosive is avoided to ignite external environment, realize flame proof effect,
In this manner it is possible to realize flame proof function without using end cap.
Detailed description of the invention
Fig. 1 is schematic diagram when flame proof electric connector of the invention uses；
Fig. 2 is the structural schematic diagram of pin connector in Fig. 1；
Fig. 3 is the structural schematic diagram of socket connector in Fig. 1.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of flame proof electric connector of the invention, as shown in Figure 1 to Figure 3, flame proof electric connector are slotting respectively
Head connector and socket connector, pin connector include plug casing 12, are equipped with plug insulator in 12 inner cavity of plug casing
111, plug insulator 111 is fixed in the inner cavity of plug casing 12 by retainer ring, the Plug contact on plug insulator 111
Plug contact 14 is installed in mounting hole, Plug contact mounting hole be equipped with along its axially extending contact cavity every
Quick-fried face, Plug contact 14 are cylindrical contacts, and the outer peripheral surface of Plug contact 14 is equipped with along its axially extending contact
Explosion suppresion surface, mounting hole explosion suppresion surface and contact explosion suppresion surface clearance fit are formed along the axially extending third setting of Plug contact
The Plug contact flame proof gap 17 of length, third set length be greater than 12.5mm, Plug contact flame proof gap 17 be less than or
Person is equal to 0.15mm, and plug casing 12 is the shell of tubular, and plug insulator 111 is the column with the shape adaptation of plug casing 12
The inner peripheral surface of shape insulator, plug casing 12 is equipped with along its axially extending shell explosion suppresion surface, the periphery of plug insulator 111
Face is equipped with along its axially extending insulator explosion suppresion surface, shell explosion suppresion surface and insulator explosion suppresion surface clearance fit, is formed along slotting
The plug insulator flame proof gap 110 of the axially extending first setting length of head insulator, the first setting length are greater than 12.5mm, insert
Head insulator flame proof gap 110 is less than or equal to 0.15mm, and the outer peripheral surface of the mating side of plug casing 12 is equipped with along its axis
Plug together explosion suppresion surface 113 to the plug of extension, plug plug together explosion suppresion surface 113 can in the mating side for the socket connector being adapted to
Socket on circumferential surface plugs together 29 clearance fit of explosion suppresion surface, formed along the axially extending second setting length of pin connector plug together every
Quick-fried gap 30, the second setting length are greater than 12.5mm, plug together flame proof gap 30 and be less than or equal to 0.15mm, plug casing 12
Mating side is equipped with socket-head cap 11, protects plug when plug and socket disconnects, seals plug mating side, while inserting
The circumferential surface that head end cover 11 and plug casing 12 cooperate is equipped with circumferential surface sealing ring 13, end face is equipped with end face seal end 15, is promoted
The sealing performance of mating side is rotatably equipped with coupling nut 16 on plug casing 12, and coupling nut can be in plug casing with 16
It is rotated on 12, so that socket-head cap 11 or socket and plug plug together, it is by the internal screw thread on coupling nut 16 in this implementation
With on Socket casing external screw thread cooperate, realize the connection of plug and socket, in other embodiments coupling nut 16 and insert
Seat can also be connected by bayonet or multiple thread, and coupling nut 16 is equipped with holding screw 19, when plug and socket-head cap
Or after plug plugs together, for coupling nut 16 is fixed, the other end of the plug casing away from mating side is equipped with connection attachment
112, it is used for connecting cable and pin connector, the face for connecting attachment 112 and plug casing cooperation to be equipped with connection attachment sealing
Circle 18 promotes the leakproofness between connection attachment and pin connector.
Socket connector includes Socket casing 21, and socket insulator 22, socket insulation are equipped in the inner cavity of Socket casing 21
Body 22 is fixed in the inner cavity of Socket casing 21 by retainer ring 25, is equipped in the socket contact mounting hole of socket insulator 22
Socket contact 23, socket contact mounting hole are equipped with outside its axially extending mounting hole explosion suppresion surface, socket contact 23
Circumferential surface is equipped with the contact explosion suppresion surface upwardly extended along its axis, mounting hole explosion suppresion surface and contact explosion suppresion surface clearance fit, shape
At along the socket contact flame proof gap 27 of the axially extending third setting length of socket contact, third setting length is greater than
12.5mm, socket contact flame proof gap 17 are less than or equal to 0.15mm, and Socket casing 21 is the shell of tubular, socket insulation
Body 22 is the column insulator with the shape adaptation of Socket casing 21, and the inner peripheral surface of Socket casing 21 is equipped with axially extending along its
Shell explosion suppresion surface, the outer peripheral surface of socket insulator 22 is equipped with along its axially extending insulator explosion suppresion surface, shell explosion suppresion surface
With insulator explosion suppresion surface clearance fit, formed between the socket insulator flame proof of the axially extending first setting length of socket insulator
Gap 210, the first setting length are greater than 12.5mm, and socket insulator flame proof gap 210 is less than or equal to 0.15mm, Socket casing
Be axially arranged with socket along it on the inner peripheral surface of 21 mating side and plug together explosion suppresion surface 29, socket plug together explosion suppresion surface 29 can be adapted to
Plug on the outer peripheral surface of the mating side of pin connector plugs together 113 clearance fit of explosion suppresion surface, and formation is axially prolonged along electric connector
That stretches the second setting length plugs together flame proof gap 30, and the second setting length is greater than 12.5mm, plug together flame proof gap 30 be less than or
Equal to 0.15mm, the mating side of Socket casing 21 is equipped with socket end cap 24, protects socket when plug and socket disconnects, makes socket
Mating side seals, and socket is equipped with away from one end of mating side for installation into the mounting surface on cabinet, and mounting surface is equipped with
Gasket seal 26 promotes the sealing performance that socket is connect with cabinet, sets on the outer peripheral surface that socket cooperates with cabinet when socket is installed
There is installation explosion suppresion surface, installation explosion suppresion surface can cooperate with the explosion suppresion surface on cabinet, flame proof gap is formed, in other embodiments,
Explosion suppresion surface is also possible to flame proof thread, directly screws on cabinet.
In electric coupler component use process of the invention, plug insulator on pin connector and Socket casing it
Between, between plug insulator and Plug contact be respectively formed plug insulator flame proof gap and Plug contact flame proof gap,
Pin connector inner cavity is set to be isolated from the outside, explosion time occurs for plug inside, is explosion ejecta under the action of flame proof gap
It is in close contact with explosion suppresion surface, conducive to the reduction of temperature；The structure of outside ejecta flame is also destroyed in flame proof gap simultaneously, makes tap web
Flame becomes ligule, increases the contact area of flame and explosion suppresion surface, is conducive to cooling；The speed of the also slow explosion ejecta in flame proof gap
Degree extends cooling time, increases cooling time；There is gas leakage pressure release effect in flame proof gap, reduces explosive in plug casing and is produced
Raw pressure.In this way, explosion generate energy gradually fail, will not ignite outside because flame proof be not by end cap seal every
Quick-fried, therefore even if not using end cap, explosion insulation performance is still unaffected.It is similar with pin connector, socket connector
So that socket inner cavity is isolated from the outside by forming socket insulator flame proof gap and socket contact flame proof gap, realize every
Quick-fried effect, explosion insulation performance is also not related with end cap, and will not lose because of end cap influences explosion insulation performance.Pin connector and socket connect
When connecing device and plugging together, plugging together flame proof gap makes pin connector and socket connector mating side form explosion-proof chamber, realizes inserting position
Flame proof effect.The contact of pin connector and socket connector is installed on insulator by clearance fit, can be used
Into pressure line type cable product, and since contact can be dismantled, once contact is dismantled progress since contact damages
Maintenance or replacement.When installation casing is flameproof cabinet, the installation explosion suppresion surface of socket connector makes cabinets cavity and outer
Chamber isolation, realizes cabinet flame proof；When installation casing is common cabinet, plug and socket is mutually plugged together and be can be realized inside cable
Flame proof, it is therefore desirable to the socket mounting hole on cabinet does not have flame proof requirement, it is only necessary to guarantee installation.
It is Plug contact flame proof gap, plug insulator flame proof gap, socket contact in above-mentioned implementation in the present invention
Flame proof gap, socket insulator flame proof gap and plug together flame proof gap length dimension and gap size be for implement in
Pin connector or socket connector structure size setting, in other embodiments, those skilled in the art also
Different length size and clearance ruler can be set according to the specific structure size of the standard combination flame proof connector in relation to explosion suppresion surface
Very little flame proof gap.
Claims (4)
1. flame proof electric connector, including electric connector housing, insulator is equipped in electric connector housing inner cavity, it is characterised in that:
The electric connector housing is tubular shell, and the insulator is the column insulator being adapted to the tubular shell,
The tubular shell inner peripheral surface is equipped with and sets along its axially extending shell explosion suppresion surface, the column insulator outer peripheral surface
Have along its axially extending insulator explosion suppresion surface, the shell explosion suppresion surface and the insulator explosion suppresion surface clearance fit, shape
At along the insulator flame proof gap of the axially extending first setting length of insulator, the flame proof electric connector is plug company
Device is connect, the electric connector housing is plug casing, coupling nut is rotatably equipped on plug casing, by coupling nut
External screw thread on internal screw thread and Socket casing cooperates, and realizes the connection of plug and socket.
2. flame proof electric connector according to claim 1, it is characterised in that: the first setting length is greater than
12.5mm, the insulator flame proof gap are less than or equal to 0.15mm.
3. flame proof electric connector according to claim 1 or 2, it is characterised in that: the flame proof electric connector, which is equipped with, to be used
In be adapted electric connector and be adapted to the mating side plugged together, the electric connector housing of the flame proof electric connector mating side it is outer
Circumferential surface or inner peripheral surface are equipped between inner peripheral surface or outer peripheral surface axially extending, for mating electrical connector shell mating side along its
Gap cooperatively forms the explosion suppresion surface that plugs together for plugging together flame proof gap, and the explosion suppresion surface that plugs together axially prolongs along the flame proof electric connector
Stretch the second setting length.
4. flame proof electric connector according to claim 3, it is characterised in that: the second setting length is greater than
12.5mm, described plugs together flame proof gap less than or equal to 0.15mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016101977516 | 2016-03-31 | ||
| CN201610197751 | 2016-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129711A CN106129711A (en) | 2016-11-16 |
| CN106129711B true CN106129711B (en) | 2019-06-07 |
Family
ID=57282943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610530945.3A Active CN106129711B (en) | 2016-03-31 | 2016-07-07 | Flame proof electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129711B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355105B (en) * | 2020-03-19 | 2021-06-29 | 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 |
| 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 |
Citations (5)
| 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 |
-
2016
- 2016-07-07 CN CN201610530945.3A patent/CN106129711B/en active Active
Patent Citations (5)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129711A (en) | 2016-11-16 |
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