CN201533059U - Safety ventilation electrical connector - Google Patents
Safety ventilation electrical connector Download PDFInfo
- Publication number
- CN201533059U CN201533059U CN2009203066166U CN200920306616U CN201533059U CN 201533059 U CN201533059 U CN 201533059U CN 2009203066166 U CN2009203066166 U CN 2009203066166U CN 200920306616 U CN200920306616 U CN 200920306616U CN 201533059 U CN201533059 U CN 201533059U
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- plug
- socket
- casing
- lockhole
- connector
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Abstract
The utility model discloses a safety ventilation electrical connector. Locking devices mutually matched are arranged on the casings of a plug and a socket of the electrical connector respectively; an electrical contact and a high-pressure gas circuit contact, which are in splicing fit mutually, are arranged in the casings of the plug and the socket; more than one pressure releasing pathway communicated with the exterior of the connector is formed at the splicing fit surface positioned on the plug or the socket of the connector; and an overpressure pressure releasing rubber pad is arranged at the outlet on the outer wall of the casing of the plug or the socket, where the pressure releasing pathways are positioned. When the gas circuit contact in the connector occurs gas leakage, leaked high-pressure gas is released after prop-opening the overpressure pressure releasing rubber pad through the pressure releasing pathway, thereby ensuring stable connection of the plug and the socket in the connector, avoiding serious potential safety hazards that the electrical contact is prop-sprayed out of the connector due to high-pressure leakage gas accumulation, and enhancing safety of the safety ventilation electrical connector.
Description
Technical field
The utility model belongs to the ventilated electric connector technical field, and definite saying so relates to a kind of ventilated electric connector that is provided with safety device.
Background technology
The plug of present employed ventilated electric connector and socket back down for preventing that hyperbar from connecting, and it must be undertaken fixedly connected by locking device when using.Plug and socket are when pegging graft, locking device is connected plug and socket, in the annular groove on the spline housing insertion socket on the plug, be provided with on the spline shell external surface of plug be used for socket on the O RunddichtringO that is sealed and matched of annular groove, between the plug grafting mating surface relative, also be formed with the gap with socket.Be equipped with air tube contact and the pore contact that mutual grafting cooperates respectively at the center of socket and plug, be provided with the electric contact piece that is used to be electrically connected at the air tube contact with around the pore contact, the equal sealing and fixing of contact pin contacting piece in each electric contact piece and jack contact is in shell.In use, after pegging graft, plug, socket be sealed and matched by locking device locking and by the O RunddichtringO, gases at high pressure flow to the pore contact from the air tube contact, on the cylindrical of air tube contact, be equipped with the O shape that is used for cooperating and enclose, leak from the fit clearance of air tube contact, pore contact to stop gases at high pressure with the inner wall sealing of pore contact.But when fortuitous event occurring, during phenomenons such as for example neglected loading takes place the circle of the O shape on the air tube contact or appearance is aging, breakage, sealing between air tube contact and the pore contact will be lost efficacy, gases at high pressure leak from the cooperation place of air tube contact and pore contact, the high pressure gas cognition of leaking is gathered high pressure in the gap of the grafting mating surface of plug, socket, since between the shell of plug and socket for being sealed and matched, thereby make the plug and the socket that are in connection status that the trend of being backed down by gases at high pressure is arranged easily.Special in insulator in the socket and jack contact, because it is to be fixed in the connector by the routine techniques sealant pouring and sealing, its anti-anticyclonic ability is far below the locking device on the connector, thereby cause the gases at high pressure of leakage that jack contact and insulator are ejected from connector shell gradually easily, because the gases at high pressure that leak are up to the impacting with high pressure power of 10000N, after the gases at high pressure impact that is subjected to repeatedly, jack contact and insulator thoroughly destroy with the quilt of fixedlying connected between the housing housing, it is spouting from Socket casing to cause jack contact and insulator to be subjected to the driving of gases at high pressure, the object of being penetrated by the top will have very high penetration power, safety to operating personnel and equipment causes great harm, forms great potential safety hazard.
The utility model content
Task of the present utility model is: at above-mentioned defective; a kind of safe ventilated electric connector that the gas leakage safety device is set is provided, and this safety device can discharge the gases at high pressure that leak to protect the safety of operating personnel and equipment when connector leaks gas.
The technical solution of the utility model is: a kind of safe ventilated electric connector, comprise and to pass through the fixedly connected plug and socket of locking device, in the shell of plug and socket, be respectively arranged with electric contact piece and the high-pressure gas circuit contact that mutual grafting cooperates by insulator, described plug and socket are formed with the gap between its grafting mating surface when pegging graft, on the plug of described connector or socket, also be provided with the gas leakage safety device, this safety device is included in the more than one pressure release passage of offering on plug or the socket, the internal orifice of described pressure release passage is communicated with described gap, the collar extension of described pressure release passage is opened on the outer wall of shell of plug or socket, also is provided with superpressure pressure release rubber cushion on this collar extension.Adopt said structure, the utility model is the important improvement of being done on the basis of existing ventilated electric connector.Because ventilated electric connector need pass through hyperbar, just must be tightly connected between its plug and the socket, destroy its connective stability for preventing that its plug and socket from being backed down by hyperbar, thereby must between plug and socket, locking device be set, locking device commonly used can adopt and be threaded, buckle connects or technological means such as flange connection.But under the situation of the ventilation of the high pressure in connector contact gas leakage, because the locking of locking device, make the gas that leaks produce very big impulsive force, even can destroy the integrality of connector electric jack contact fixing in insulator in the connector and the insulator.The utility model has been offered the pressure release passage that is communicated with its grafting mating surface and housing exterior on plug or socket, be provided with superpressure pressure release rubber cushion in the exit of pressure release passage, when its high-pressure gas circuit contact when connector inside leaks air, the gases at high pressure that leak back down superpressure pressure release rubber cushion by pressure release passage and release, reduced the impacting with high pressure power of high-pressure leakage gas to insulator in the connector and contact, the structural stability of connector and the connective stability of plug and socket have been guaranteed, jack contact and the insulator having avoided causing because of high pressure gas leakage push up the major safety risks that spray goes out from its shell, increased the fail safe of ventilated electric connector; The setting of pressure release rubber cushion is not only simple in structure, and good airproof performance, can also save cost of manufacture simultaneously.
Further, described plug comprises plug casing, one end of plug casing is the grafting mating surface of outstanding insulator vertically, described socket comprises Socket casing, between Socket casing and its insulator, offer the axial annular groove that inserts for the plug casing protuberance, grafting mating surface place near insulator on the periphery of the protuberance of described plug casing is provided with the O RunddichtringO that is used for seal socket inner walls face and plug casing periphery, radially offer the relief hole that is communicated with the Socket casing outer wall in described axial annular groove on away from the inwall of insulator grafting mating surface, described pressure release passage is made up of gap that forms between axial annular groove internal face and the plug casing protuberance and described relief hole.Adopt said structure, it offers relief hole in the axial annular groove of socket, utilize fit clearance and relief hole composition pressure release passage between axial annular groove of socket and the plug protuberance can keep the original structural framing of connector to greatest extent, not needing that existing connector is carried out big structural change can implement, not only simple in structure, and can save a large amount of improvement costs.
Further, the center of circle of described each relief hole is positioned at same sagittal plane, the annular adhesive tape of described superpressure pressure release rubber cushion for establishing along the Socket casing outer toroid.Adopt said structure, each relief hole is sealed that it is simple in structure by an annular rubber cushion, and sealing property is better.
Further, described relief hole circumferentially evenly distributes along connector.Adopt this structure, the gases at high pressure that make to leak can back down the pressure release rubber cushion uniformly and release from each relief hole, and exhaust is even, and pressure release rubber cushion stressed comparatively even can prolong useful life of pressure release rubber cushion.
Further, be positioned at each relief hole place on the outer wall of described jack housing and radially offer annular groove, the opening of each relief hole is opened on the groove bottom of this groove, and described pressure release rubber cushion ring is located in this annular groove.Adopt this structure, make the pressure release rubber cushion be retrained by annular groove, the pressure release rubber cushion does not take place by the phenomenon towards bits of offset in the impact of gases at high pressure in the time of can not producing because of exhaust, makes pressure release rubber cushion sealing more stable.
The both sides of the inner ring surface of described annular adhesive tape convex with annular projection respectively.Adopt this structure, can increase the integral, flexible of pressure release rubber cushion, and the sealing property between pressure release rubber cushion and the jack housing gets a promotion.
Described locking device comprises the lockhole of the perforation internal and external walls face that is provided with in the housing wall of plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, the internal stop of collar extension and outer attachment cap, all has mating surface on the corresponding surface of described internal stop and outer attachment cap and plug casing with the corresponding oral area snug fit of lockhole, the inserted terminal of described Socket casing has the end face that cooperates with the internal stop pushing tow of plug, and the outer surface of Socket casing is provided with the locking slot that Gong the lock core corresponding with the lockhole position in the plug casing snaps in when pegging graft.
Described locking slot is an annular groove, is provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing.
Assemble by being connected spring realization Elastic Sliding between the standing part of described internal stop and outer attachment cap and plug.
The part of close its outer end is provided with and holds the also ring-shaped step of block lock core on the described outer attachment cap inwall, passes through chamfered transition between the mating surface on this ring-shaped step and the attachment cap inwall and lockhole.
Adopt said structure, in in the locking device that the utility model adopted, outer lock body, pass through the mutual spacing cooperation of lock core between the Socket casing, when outer lock body roof pressure lock core, can be thereby lock core leans out from the lockhole internal orifice at grafting direction upper limit Socket casing, when interior lock body roof pressure lock core, thereby lock core from the lockhole collar extension lean out can be outside grafting direction upper limit lock body, interior lock body pushes up spacing the cooperation on the grafting direction mutually with Socket casing, Socket casing is provided with and can holds the locking slot that lock core snaps in, and the Elastic Sliding that realizes inside and outside lock body by elastic components such as springs is assembled, and mechanism can be moved automatically, reset; In use, press lock core locking receptacles housing after the release by the insertion interior lock body displacement of realization automatically of Socket casing, outer lock body, during release, spur outer lock body release lock core, the spacing of Socket casing is disengaged, interior lock body pushing tow Socket casing withdraw from and again the roof pressure lock core outwards lean out will retract outer lock body locking.Locking latch action of the present utility model is finished automatically, easy to use, the release action need be moved by the outer lock body of pulling and be realized, therefore the influence of vibration interference is less, and the lock out action that plugs together could realize after need lock body puts in place in the Socket casing pushing tow, can guarantee that plug and socket plug together to put in place.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of socket in the present embodiment one;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the structural representation of pressure release rubber cushion in the utility model.
Embodiment
Embodiment one: as Fig. 1, Fig. 2, shown in Figure 4, safe ventilated electric connector of the present utility model comprises plug 12 and socket 13, and the inserted terminal of plug 12 is provided with the opening for the inserted terminal insertion of socket 13.Plug 12 comprises plug casing 3, the inserted terminal opening of plug 12 is arranged at an end of plug casing 3, be fixed with spline housing 8 in the plug casing 3, spline housing 8 inwalls are provided with the spline that extends along the grafting direction, be fixed with pin insulator 1 in the spline housing 8, be inserted with contact in the pin insulator 1, contact comprises the high pressure gas needle contact piece 15 that is positioned at the connector center and is arranged on high pressure gas needle contact piece 15 electric mortiser needle contact piece 14 on every side.Socket 13 comprises Socket casing 9 and wherein fixing socket insulator 10, be provided with the axial annular groove 21 with the spline fitted of the spline housing 8 of plug 12 in the Socket casing 9, air tube contact 15 in the socket insulator 10 on the corresponding plug 12 and electric mortiser needle contact piece 14 are inserted with pore contact 25 and electric jack contact 24.On the cylindrical of air tube contact 15, be provided with and be used for the O type circle that is sealed and matched with pore contact 25, be set with by encapsulating around the pore contact 25 with plug 12 on the jack contact 24 of contact pin connector 14 insertings.The outer surface of the close grafting mating surface of the protuberance of the spline housing 8 of plug 12 is provided with and is used for seal shaft to the O of annular groove 21 RunddichtringO, radially offer the relief hole 23 that runs through jack housing 9 at axial annular groove 21 on away from the inwall of grafting mating surface, each relief hole 23 and axial annular groove 21 be common to constitute pressure release passages.The center of each relief hole 23 all be positioned at same sagittal plane and along socket 13 excircles to even distribution.The opening part that is positioned at each relief hole 23 on the outer wall of jack housing 22 offers an annular groove, the collar extension of each relief hole 23 is opened on the groove bottom of this annular groove, in annular groove, be equipped with an annular superpressure pressure release rubber cushion 22 that is used to seal relief hole 23, this annular superpressure pressure release rubber cushion 22 is with the collar extension sealing of each relief hole 23, wherein, annular superpressure pressure release rubber cushion 22 comprises matrix 91, the both sides that are adjacent to the inner ring surface of jack housing 22 at its matrix 91 convex with annular projection 92, make to form a toroidal cavity between annular rubber cushion 22 and the jack housing 22.
Between plug 12 and socket 13, be connected with the Pushpulll locking device, this Pushpulll locking device comprises the lockhole of its surfaces externally and internally of perforation that is provided with in the plug casing 3, lockhole has inside and outside mouthful respectively on the inside and outside surface of plug casing 3, in the lockhole movable be equipped with diameter dimension greater than the steel ball 7 of lockhole depth size as lock core, but lockhole is provided with the ring-shaped step structure that block steel ball 7 comes off near its internal orifice place, and steel ball 7 can lean out from inside and outside mouthful of lockhole.On the inside and outside surface of plug casing 3 respectively the axial elasticity slidable fit have slip to cover or expose inside and outside mouthful internal stop 5, outer attachment cap 6 of lockhole, internal stop 5 is away from being connected with inner spring 2 between end of the inserted terminal of plug 12 and the spline housing 8, and outer attachment cap 6 is away from being connected with outer spring 4 between end of the inserted terminal of plug 12 and the plug casing 3.Be provided with the position limiting structure on the grafting direction between outer attachment cap 6 and the plug casing 3, this position limiting structure be outer attachment cap 6 afterbodys retaining along 16 and plug casing 3 outer walls on the retaining that is convexly equipped with along 18.All has mating surface on the corresponding surface of internal stop 5, outer attachment cap 6 and plug casing 3 with the corresponding oral area snug fit of lockhole, but these two mating surface roof pressure steel balls 7 lean out from the internal orifice or the collar extension of lockhole, part near its outer end on outer attachment cap 6 inwalls is provided with the ring-shaped step 17 that appearance steel ball 7 enters, pass through chamfered transition between the mating surface on this ring-shaped step 17 and attachment cap 6 inwalls and plug casing, ring-shaped step 17 is in order to hold steel ball 7 block steel ball 7 simultaneously under released state, can not come off from lockhole again when steel ball 7 pressurizeds are leant out from lockhole.Socket casing 9 have a inserted terminal with the opening inserting of plug casing 3 inserted terminals, the end face of Socket casing 9 inserted terminals cooperates with internal stop 5 pushing tows of plug, the outer surface of Socket casing 9 be provided with when pegging graft with plug casing 3 in the corresponding annular groove 14 in steel ball 7 positions.
During use, plug 12 and socket 13 be not before plugging together, and steel ball 7 is withstood on the outside of lockhole 11 collar extensions by internal stop 5, and at this moment, outer attachment cap 6 is locked under steel ball 7 effects, and outer spring 4 is in compressive state.When 13 pairs of plug 12 and sockets were slotting, to pusher, inner spring 2 by compression with internal stop 5 for the inserted terminal of Socket casing 9.When socket 13 and 12 pairs of plugs were inserted into, steel ball 7 was fallen in the annular groove 14 of Socket casing 9, at this moment, outer attachment cap 6 releases, it travels forward under outer spring 4 effects, and the inwall of outer attachment cap 6 compresses steel ball 7, realize plug 12, socket 13 lockings, inner spring 2 is in compressive state.When plug 12 separates with socket 13, pull back outer attachment cap 6, steel ball 7 is discharged in the annular groove 14 of Socket casing 9, at this moment, internal stop 5 recovers initial position under inner spring 2 effects, outer coupling nut 6 is locked by steel ball 7 simultaneously, and outer spring 4 is in compressive state.
The aeration type connector is in use in case meet accident, during the gas leakage of high-pressure gas circuit contact, the gases at high pressure that leak leak into the grafting mating surface of plug 12 and socket 13 from the air tube contact 24 and the contact-making surface of pore contact 25, gases at high pressure are discharged from relief hole 23 along the axial annular groove 21 of socket then, the design of superpressure pressure release rubber cushion generally can be born the hyperbar of 0.5MPa, when the air pressure of the gases at high pressure that leak reaches 0.5MPa, will back down pressure release rubber cushion 22 releases gases at high pressure, when in case the connector internal pressure reaches balance, pressure release rubber cushion 22 just shrinks back original state, with each relief hole 23 sealing, thus the sealing of realization connector.
Embodiment two: as shown in Figure 3, Figure 4, present embodiment two is with the difference of embodiment one, on plug 12, offer the connection insulator grafting mating surface of one or more and the passage 26 of plug 12 outer walls and form pressure release passage, between the spline housing 8 and insulator 1 that the leading portion of this pressure release passage is opened in vertically, its rear end radially is opened on the spline housing 8, and annular rubber cushion 22 is encapsulated on the collar extension of passage 26.
The utility model is not limited to the foregoing description; aeration type connector in the utility model also is applicable to the connector that adopts other structure or shape locking device; connect as flange; buckle connects or is threaded etc.; pressure release passage in the utility model also can be opened in other position of connector; no matter but how its shape or structure change; so long as the plug in the aeration type connector is connected by locking device with socket; one end of pressure release passage is opened on the shell of plug or socket; its other end and plug; the inserting gap that forms when pegging graft between the socket is communicated with; and on the pressure release passage collar extension, be provided with the pressure release rubber cushion, all within protection range of the present utility model.
Claims (10)
1. safe ventilated electric connector, comprise and to pass through the fixedly connected plug and socket of locking device, in the shell of plug and socket, be respectively arranged with electric contact piece and the high-pressure gas circuit contact that mutual grafting cooperates by insulator, described plug and socket are formed with the gap between its grafting mating surface when pegging graft, it is characterized in that, on the plug of described connector or socket, also be provided with the gas leakage safety device, this safety device is included in the more than one pressure release passage of offering on plug or the socket, the internal orifice of described pressure release passage is communicated with described gap, the collar extension of described pressure release passage is opened on the outer wall of shell of plug or socket, also is provided with superpressure pressure release rubber cushion on this collar extension.
2. safe ventilated electric connector according to claim 1, it is characterized in that, described plug comprises plug casing, one end of plug casing is the grafting mating surface of outstanding insulator vertically, described socket comprises Socket casing, between Socket casing and its insulator, offer the axial annular groove that inserts for the plug casing protuberance, grafting mating surface place near insulator on the periphery of the protuberance of described plug casing is provided with the O RunddichtringO that is used for seal socket inner walls face and plug casing periphery, radially offer the relief hole that is communicated with the Socket casing outer wall in described axial annular groove on away from the inwall of insulator grafting mating surface, described pressure release passage is made up of gap that forms between axial annular groove internal face and the plug casing protuberance and described relief hole.
3. safe ventilated electric connector according to claim 2 is characterized in that the center of circle of described each relief hole is positioned at same sagittal plane, the annular adhesive tape of described superpressure pressure release rubber cushion for establishing along the Socket casing outer toroid.
4. safe ventilated electric connector according to claim 3 is characterized in that, described relief hole circumferentially evenly distributes along connector.
5. safe ventilated electric connector according to claim 3, it is characterized in that, be positioned at each relief hole place on the outer wall of described jack housing and radially offer annular groove, the opening of each relief hole is opened on the groove bottom of this groove, and described pressure release rubber cushion ring is located in this annular groove.
6. safe ventilated electric connector according to claim 3 is characterized in that the both sides of the inner ring surface of described annular adhesive tape convex with annular projection respectively.
7. according to any described safe ventilated electric connector of claim 1 ~ 6, it is characterized in that, described locking device comprises the lockhole of the perforation internal and external walls face that is provided with in the housing wall of plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, the internal stop of collar extension and outer attachment cap, all has mating surface on the corresponding surface of described internal stop and outer attachment cap and plug casing with the corresponding oral area snug fit of lockhole, the inserted terminal of described Socket casing has the end face that cooperates with the internal stop pushing tow of plug, and the outer surface of Socket casing is provided with the locking slot that Gong the lock core corresponding with the lockhole position in the plug casing snaps in when pegging graft.
8. safe ventilated electric connector according to claim 7 is characterized in that, described locking slot is an annular groove, is provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing.
9. safe ventilated electric connector according to claim 7 is characterized in that, assembles by being connected spring realization Elastic Sliding between the standing part of described internal stop and outer attachment cap and plug.
10. safe ventilated electric connector according to claim 7, it is characterized in that, the part of close its outer end is provided with and holds the also ring-shaped step of block lock core on the described outer attachment cap inwall, passes through chamfered transition between the mating surface on this ring-shaped step and the attachment cap inwall and lockhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203066166U CN201533059U (en) | 2009-07-22 | 2009-07-22 | Safety ventilation electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203066166U CN201533059U (en) | 2009-07-22 | 2009-07-22 | Safety ventilation electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533059U true CN201533059U (en) | 2010-07-21 |
Family
ID=42528459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203066166U Expired - Lifetime CN201533059U (en) | 2009-07-22 | 2009-07-22 | Safety ventilation electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324669A (en) * | 2011-08-05 | 2012-01-18 | 上海航天科工电器研究院有限公司 | Twin-core high-voltage electric connector |
| CN101651270B (en) * | 2009-07-22 | 2012-05-09 | 中航光电科技股份有限公司 | Safe ventilated electric connector |
| CN109217021A (en) * | 2017-06-29 | 2019-01-15 | 中航光电科技股份有限公司 | A kind of pin connector and push-pull connector component |
-
2009
- 2009-07-22 CN CN2009203066166U patent/CN201533059U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651270B (en) * | 2009-07-22 | 2012-05-09 | 中航光电科技股份有限公司 | Safe ventilated electric connector |
| CN102324669A (en) * | 2011-08-05 | 2012-01-18 | 上海航天科工电器研究院有限公司 | Twin-core high-voltage electric connector |
| CN109217021A (en) * | 2017-06-29 | 2019-01-15 | 中航光电科技股份有限公司 | A kind of pin connector and push-pull connector component |
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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: 20100721 Effective date of abandoning: 20090722 |