CN102222849B - Explosionproof electrical connector, plug and socket thereof - Google Patents
Explosionproof electrical connector, plug and socket thereof Download PDFInfo
- Publication number
- CN102222849B CN102222849B CN 201010150700 CN201010150700A CN102222849B CN 102222849 B CN102222849 B CN 102222849B CN 201010150700 CN201010150700 CN 201010150700 CN 201010150700 A CN201010150700 A CN 201010150700A CN 102222849 B CN102222849 B CN 102222849B
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- Prior art keywords
- plug
- socket
- pedestal
- keyhole
- contacts
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to an explosionproof electrical connector, plug and socket thereof. The plug comprises a plug shell and a plug assembly. The plug assembly is arranged in one end of the plug shell and possesses a plugging bolt. A lateral wall of the plugging bolt is successively provided with two opposite first contacts, two opposite second contacts, and a card which is arranged right above one of the two second contacts, wherein the first contacts, the second contacts and the card are arranged according to a sequence of from the near to the distant to a inserting end of the plugging bolt. The socket comprises a socket shell and a socket assembly. The socket assembly, which is arranged in one end of the socket shell, possesses a plugging bolt aperture which is fit for the plugging bolt to be plugged and rotated and a guide groove, two opposite first electrodes and two opposite second electrodes which are successively arranged on a aperture wall of the plugging bolt aperture. The plugging bolt is inserted into the plugging bolt aperture and is rotated along the guide groove through the card to an angle to a conductive position. The first contacts and the second contacts are respectively electrically connected with the first electrodes and the second electrodes in the conductive position. If the plugging bolt is reversely rotated, the first contacts and the second contacts are separated from the first electrodes and the second electrodes and the power is off.
Description
Technical field
The present invention relates to a kind of arrangements of electric connection, especially relate to a kind of explosionproof electric connecting device and plug thereof, socket.
Background technology
Have the explosion risk zone, the connector between electric equipment and power supply, as supply socket, can only allow to have explosion prevention function socket and plug, if the explosion-proof plug of right and wrong can set off an explosion after insertion.
Present existing explosionproof electric connecting device, comprise explosion-proof plug and Explosionproof socket, take four phase plugs and socket as example, wherein have four plug electrodes and a switch member on the insertion end face of plug, and on socket, correspondence is provided with four jacks and a conduction element, when in plug insertion socket, these four plug electrodes are corresponding to be inserted in these four jacks, and along with the rotation of plug, this switch member can with this conduction element conducting, thereby plug is connected with the socket conduction.
But electric spark because four plug electrodes all are positioned on same end face, in connecting conducting process, easily occurs in the arrangements of electric connection of this structure, has certain potential safety hazard.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of explosionproof electric connecting device and plug and socket thereof, overcome the potential safety hazard of existing arrangements of electric connection, connect safely to guarantee that electric equipment is connected with power supply.
To achieve these goals, the invention provides a kind of explosionproof electric connecting device, its characteristics are, comprise plug, and it has a plug body; One plug-assembly, be placed in this plug body one end, and has a plug-bolt, be disposed with two the first relative contacts, two the second relative contacts and a fastener on insertion end face this plug-bolt lateral wall from the close-by examples to those far off apart from this plug-bolt, and this fastener be positioned at one of them this second contact directly over; Socket, it has a jack housing; One jack assemblies, be placed in this jack housing one end, and have the grafting keyhole of an adaptive described plug-bolt plug and rotation, and be separately positioned on gathering sill, two the first relative electrodes and two the second relative electrodes on the hole wall of described grafting keyhole; Wherein, described plug-bolt inserts in described grafting keyhole, and rotate angle to a conductive site by this fastener along described gathering sill, and described the first contact, the second contact are electrically connected with described the first electrode, the second electrode respectively in described conductive site, and reverse rotation separates outage.
Preferably, described plug-bolt is made of the first spigot and the second spigot, and the external diameter of this first spigot is less than the external diameter of this second spigot, and these two first contacts are positioned on this first spigot, and these two the second contacts and this fastener are positioned on this second spigot; And each this first contact and each this second contact are connected with a plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by wire.
Preferably, this plug body other end is connected with a plug line ball mouth, is provided with on it be used to the pressure-ray film that compresses described wire, in this plug body, also by a waterproof apron, one waterproof skeleton is installed between this plug line ball mouth and this plug body.
Preferably, be wired to the right angle between the line between these two first contacts and this two the second contacts.
Preferably, described jack assemblies comprises: socket terminals; One first pedestal is positioned on these socket terminals, is provided with described two the first electrodes on it, and has one first pedestal keyhole; One insulation cushion is positioned on this first pedestal, and has an insulation cushion keyhole; One second pedestal is positioned on this insulation cushion, is provided with described two the second electrodes and described gathering sill on it, and has one second pedestal keyhole; Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole consist of described grafting keyhole, and described the first electrode and the second electrode are installed by the first spring and the second spring respectively.
Preferably, also be formed with a guide pillar on the bottom surface of this first pedestal keyhole of this first pedestal, on this insertion end face of this plug-bolt, corresponding being formed with coordinates the guide hole that guides insertion with this guide pillar, and should also be provided with one the 3rd spring in the grafting keyhole, and the 3rd spring housing is loaded on this guide pillar.
Preferably, be positioned on the bottom surface of this second spigot in this first spigot outside of this plug-bolt and be provided with outer protective jacket, be positioned on this insertion end face in this guide hole outside and be provided with protective jacket.
Preferably, also be coated with an end cover and a surface cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this surface cover is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
Preferably, this jack assemblies that is coated with this end cover and surface cover is installed in a socket matrix, and this socket matrix is installed in this jack housing, have a locating ring and a piston ring between this socket matrix and this jack housing, and be provided with explosion-proof waterproof apron on this jack housing end face relative with this plug body.
Preferably, this socket one end also has a waterproof cover, and it exposes/this grafting keyhole of sealing by a pivot pin and turnover this jack housing that is connected in of a torsion spring; This jack housing other end is connected with the jack housing line ball mouth that a compression ring and is connected with this compression ring, and in this jack housing, also by a waterproof apron, one waterproof skeleton is installed between this compression ring and this jack housing.
Preferably, these two first electrodes are AC phase electrode, and one of them is R phase electrode for these two second electrodes, and another is L phase electrode, also is provided with a neutral electrode by a shell fragment elasticity in this gathering sill; These two first contacts correspond to AC phase contact, and one of them corresponds to R phase contact these two second contacts, and another is L phase contact, and this fastener corresponds to a neutral contact.
Preferably, be formed with two projections that are oppositely arranged and protrude from this outer surface on the outer surface of this plug body one end, and on the inner surface of this socket matrix, correspondence is provided with guiding groove, and this guiding groove forms by the insertion portion that inserts respectively for these two projections with for the common rotating part connection of rotating of these two projections; And one of them of these two projections has the first width, and another has the second width, and the first width is greater than the second width, and the width of two insertion portions of this of this guiding groove and the width of these two projections are suitable.
the present invention also provides a kind of plug, its characteristics are, it has a plug body and a plug-assembly, this plug-assembly is placed in this plug body one end, and has a plug-bolt, described plug-bolt is made of the first spigot and the second spigot, this the first spigot one end has one and inserts end face, the other end is connected with this second spigot, and the external diameter of this first spigot is less than the external diameter of this second spigot, be provided with two the first relative contacts on the lateral wall of this first spigot, be provided with on the lateral wall of this second spigot two the second relative contacts and one be positioned at this second contact directly over fastener, these two first contacts, these two second contacts, this fastener lays respectively at apart from this insertion end face three Different Plane from the close-by examples to those far off, and be wired to the right angle between the line between these two first contacts and this two the second contacts.
Preferably, each this first contact and each this second contact are connected with a plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by wire.
Preferably, this plug body other end is connected with a plug line ball mouth, be provided with on it be used to the pressure-ray film that compresses described wire, and, in this plug body, also by a waterproof apron, one waterproof skeleton is installed between this plug line ball mouth and this plug body.
Preferably, these two first contacts are AC phase contact, and one of them is R phase contact for these two second contacts, and another is L phase contact, and this fastener is a neutral contact.
Preferably, be formed with two projections that are oppositely arranged and protrude from this outer surface on the outer surface of this plug body one end, one of them of these two projections has the first width, and another has the second width, and the first width is greater than the second width.
The present invention provides again a kind of socket, its characteristics are, it has a jack housing and a jack assemblies, this jack assemblies is placed in this jack housing one end, and have the grafting keyhole of an adaptive described plug-bolt plug and rotation, and be separately positioned on gathering sill, two the first relative electrodes and two the second relative electrodes on the hole wall of described grafting keyhole.
Preferably, described jack assemblies comprises: socket terminals; One first pedestal is positioned on these socket terminals, is provided with described two the first electrodes on it, and has one first pedestal keyhole; One insulation cushion is positioned on this first pedestal, and has an insulation cushion keyhole; One second pedestal is positioned on this insulation cushion, is provided with described two the second electrodes and described gathering sill on it, and has one second pedestal keyhole; Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole consist of described grafting keyhole, and described the first electrode and the second electrode are installed by the first spring and the second spring respectively.
Preferably, also be formed with a guide pillar on the bottom surface of this first pedestal keyhole of this first pedestal, also be provided with one the 3rd spring in this grafting keyhole, the 3rd spring housing is loaded on this guide pillar.
Preferably, also be coated with an end cover and a surface cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this surface cover is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
Preferably, this jack assemblies that is coated with this end cover and surface cover is installed in a socket matrix, and this socket matrix is installed in this jack housing, have a locating ring and a piston ring between this socket matrix and this jack housing, be provided with explosion-proof waterproof apron on this jack housing end face relative with this plug body.
Preferably, be provided with guiding groove on the inner surface of this socket matrix, this guiding groove is formed by two insertion portions and a rotating part connection, and the width of two insertion portions of this guiding groove is different.
Preferably, this socket one end also has a waterproof cover, and it exposes/this grafting keyhole of sealing by a pivot pin and turnover this jack housing that is connected in of a torsion spring; This jack housing other end is connected with the jack housing line ball mouth that a compression ring and is connected with this compression ring, and in this jack housing, also by a waterproof apron, one waterproof skeleton is installed between this compression ring and this jack housing.
Preferably, these two first electrodes are AC phase electrode, and one of them is R phase electrode for these two second electrodes, and another is L phase electrode, also is provided with a neutral electrode by a shell fragment elasticity in this gathering sill.
The contact of explosionproof electric connecting device of the present invention by being arranged on the plug side realized and being electrically connected to of socket in the mode of spin friction contact, effectively avoided easily producing electric spark in the electrical connection process, makes security performance higher.In addition, the design by waterproof skeleton, waterproof apron, waterproof cover etc. makes explosionproof electric connecting device of the present invention have simultaneously better water resistance concurrently.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Figure 1A is the front view of the better explosionproof electric connecting device of the present invention one;
Figure 1B is the end view of the better explosionproof electric connecting device of the present invention one;
Fig. 1 C is the rearview of the better explosionproof electric connecting device of the present invention one;
Fig. 2 A is the Facad structure schematic diagram of the plug-assembly in the better explosionproof electric connecting device of the present invention one;
Fig. 2 B is the cutaway view along D-D direction in Fig. 2 A;
Fig. 2 C is the cutaway view along E-E direction in Fig. 2 A;
Fig. 2 D is the structural representation of the plug body in the better explosionproof electric connecting device of the present invention one;
Fig. 2 E is the cutaway view of Fig. 2 D;
Fig. 2 F is the structural representation of the plug body other direction of Fig. 2 D;
Fig. 3 A is the overall structure schematic diagram of the socket in the better explosionproof electric connecting device of the present invention one;
Fig. 3 B is the Facad structure schematic diagram that the socket in Fig. 3 A has been removed the jack assemblies after the jack housing;
Fig. 3 C is the cutaway view along F-F direction in Fig. 3 B;
Fig. 3 D is the vertical view of the first pedestal in Fig. 3 C, the neutral contact that wherein is provided with gathering sill and is positioned at gathering sill on this first pedestal;
Fig. 3 E is the upward view of the first pedestal in Fig. 3 C, wherein is provided with two the second relative electrodes on this first pedestal;
Fig. 3 F is the vertical view of the second pedestal in Fig. 3 C, wherein is provided with two the first relative electrodes on this second pedestal;
Fig. 3 G is the cutaway view that the present invention is used to install the socket matrix of this jack assemblies;
Fig. 3 H is the cutaway view of the other direction of socket matrix shown in Fig. 3 G;
Fig. 3 I is the cutaway view of jack housing of the present invention;
Fig. 4 A is the cutaway view along A-A direction in Figure 1A, and wherein these two second contacts and these two the second electrodes are electrically connected when conductive site;
Fig. 4 B is the cutaway view along B-B direction in Figure 1B, and wherein these two first contacts and these two the first electrodes are electrically connected when conductive site; And
Fig. 4 C is the cutaway view along C-C direction in Figure 1B, wherein is provided with explosion-proof waterproof apron on this jack housing, and in order to explosion-proof waterproof when plug is connected with the conduction of socket, and the plug body other end is provided with waterproof skeleton and waterproof apron, to strengthen waterproof.
Embodiment
As shown in Figure 1A～Fig. 1 C, explosionproof electric connecting device of the present invention comprises plug 100 and socket 200, wherein plug 100 connects an electric equipment (not shown), socket 200 is electrically connected power supply, when plug 100 inserts in socket 200 and is electrically connected, can realize the electric connection of electric equipment and power supply.Has earth terminal 24 on socket 200, as shown in Figure 1B.
This plug 100 has a plug body 10 and a plug-assembly 30, as shown in Fig. 2 A, this plug-assembly 30 has a plug-bolt 300, be disposed with two the second contact 33 and 34 and one fasteners 35 that the first relative contact 31 is relative with 32, two on insertion end face this plug-bolt lateral wall from the close-by examples to those far off apart from this plug-bolt 300, and this fastener 35 be positioned at one of them this second contact directly over, as be positioned at the second contact 33 directly over.Preferably, described plug-bolt 300 is made of the first spigot 301 and the second spigot 302, and the external diameter of this first spigot 301 is less than the external diameter of this second spigot 302, these two the first contacts 31,32 are positioned on the lateral wall of this first spigot 301, these two the second contacts 33,34 and this fastener 35 be positioned on the lateral wall of this second spigot 302.And, preferably, be wired to the right angle between the line between these two the first contacts 31,32 and these two the second contacts 33,34.In an embodiment of the present invention, these two the first contacts 31,32 can be AC phase contact, these two the second contacts 33,34 one of them can be R phase contact, another can be L phase contact, is L phase contact as the second contact 33, the second contact 34 is R phase contact.This fastener 35 can be a neutral contact.
As shown in Fig. 2 B, 2C, each this first contact 31,32 and each this second contact 33,34 be connected with a plug bond terminal 316,326,336,346 conductions by an inserted sheet 315,325,335,345 respectively, each this plug bond terminal 316,326,336,346 passes through the wire (not shown) and is connected with this electric equipment.This fastener 35 (neutral contact) can share an inserted sheet with this second contact 33.And, also be formed with one on this insertion end face of this plug-bolt 300 and be used for the guide hole 308 that this plug of guiding inserts.
This plug-assembly 30 is placed in these jack housing 10 1 ends 11, as shown in Fig. 2 D, 2E, and is formed with two projections 113,114 that are oppositely arranged and protrude from this outer surface on the outer surface of this plug body one end 11.Preferably, be formed with a cannelure 112 on the outer surface of this plug body one end 11, form described two projections 113,114 that protrude from this outer surface on two relative positions in this cannelure 112, be used for the location that plug inserts.More preferably, these two projections 113,114 have different in width, and for example, the width W of this projection 113 (as shown in Fig. 2 F) is inserted in unique mode with convenient plug greater than the width (not shown) of this projection 114.
As shown in Figure 3A, this socket 200 has a jack housing 20 and and is placed in the interior jack assemblies 201 of these jack housing 20 1 ends, as shown in Fig. 3 B, 3C, this jack assemblies 201 is assembled from bottom to top by socket terminals 67, one first pedestal 50, an insulation cushion 405, one second pedestal 40.Wherein, this first pedestal 50 is positioned on these socket terminals 67, is provided with two relative the first electrodes 51,52 on it, and has one first pedestal keyhole 501.This insulation cushion 405 and has an insulation cushion keyhole 4051 between this first pedestal 50 and this second pedestal 40.This second pedestal 40 is positioned on this insulation cushion 405, be provided with two the second relative electrodes 43,44 and one gathering sill 450 on it, and has one second a pedestal keyhole 401, this the first pedestal keyhole 501, this insulation cushion keyhole 4051, this second pedestal keyhole 401 consist of a grafting keyhole, use the plug-bolt 300 for this plug to insert and rotation.Preferably, this socket 200 also has a waterproof cover 70, in conjunction with Fig. 1 C, it is by a pivot pin 71 and turnover this jack housing 20 that is connected in of a torsion spring 72, in order to expose/this grafting keyhole of sealing, it can extract this socket of rear enclosed at plug, makes it to have good water-proof function.
As shown in Figure 3 C, also be coated with end cover 62 and one surface cover 61 that waterproof material is made on these jack assemblies 201 outer surfaces, wherein should overlap 62 the end is coated on these the first pedestal 50 outer surfaces, 61 of this surface covers are coated on the outer surface of this second pedestal 40 and this insulation cushion 405, and be threaded with this end cover 62, thereby can make whole jack assemblies 201 outer surfaces have water-proof function.Also be formed with a guide pillar 68 on the bottom surface of this first pedestal keyhole 501 of this first pedestal 50, coordinate with guide hole 308 on this plug-bolt, in order to guide the smooth insertion of this plug.
As shown in Fig. 3 D, show the structure on the upper surface 403 of the second pedestal 40 in this jack assemblies 201, wherein on the upper surface 403 of this second pedestal 40, the hole wall along this second pedestal keyhole 401 of part is provided with this gathering sill 450, and this gathering sill 450 has an insertion position 450a and a conductive site 450b.
As shown in Fig. 3 E, show the structure on the lower surface 404 of the second pedestal 40 in this jack assemblies 201, wherein be separately installed with described the second electrode 43,44 by electrode mounting groove 430,440 on the lower surface 404 of this second pedestal 40, described the second electrode 43,44 contact-making surface are exposed on the hole wall of this second pedestal keyhole 401.Better, described the second electrode 43,44 back sides are equipped with spring 431,441 (referring to Fig. 4 A) by spring fitting groove 432,442, so that described the second electrode 43,44 elasticity are installed on this second pedestal 40, conduction are connected more reliable.
As shown in Fig. 3 F, show the structure on the upper surface 504 of the first pedestal 50 in this jack assemblies 201, wherein be separately installed with described the first electrode 51,52 by electrode mounting groove 510,520 on the upper surface 504 of this first pedestal 50, described the first electrode 51,52 contact-making surface are exposed on the hole wall of this first pedestal keyhole 501.Better, the first electrode 51,52 back sides are equipped with spring 511,521 (referring to Fig. 4 B) by spring fitting groove 512,522, so that described the first electrode 51,52 elasticity are installed on this first pedestal 50, conduction are connected more reliable.
In a preferred embodiment of the present invention, these two the first electrodes 51,52 are AC phase electrode, these two the second electrodes 43,44 one of them be R phase electrode, another is L phase electrode, for example the second electrode 43 is L phase electrode, the second electrode 44 is R phase electrode.Better, these electrodes connect by flexible cord 95 (as shown in Fig. 4 C) conduction.And, also be provided with a neutral electrode 45 by shell fragment 451 elasticity in this gathering sill 450, as shown in Fig. 3 D, it has a current-carrying part 455.
When this plug inserts in this socket, fastener 35 on this plug-assembly 30 can be inserted in this gathering sill 450 by this insertion position 450a, and along these gathering sill 450 rotation one angles to this conductive site 450b, as shown in Fig. 4 A～Fig. 4 C, the conduction connecting structure of plug and socket when showing conductive site, when rotating to conductive site 450a, the first contact 31 on this plug-assembly 30 and the 32, second contact 33 and 34, neutral contact (being fastener 35) are electrically connected with described the first electrode 51 and the 52, second electrode 43 and 44, neutral electrode 45 respectively.Otherwise reverse rotation separates outage.In an embodiment of the present invention, this gathering sill 450 is distributed in roughly on the hole wall of the second pedestal keyhole 401 of 1/4, roughly is in the conductive site conduction after 90-degree rotation after namely this plug inserts and connects.In the present invention, can make by the design to this shell fragment 451 and this neutral electrode 45 the plug reverse rotation with the about power of 3～10kg, so that arrangements of electric connection of the present invention more meets the relevant criterion of explosionproof electric connecting device.
in a preferred embodiment of the present invention, this jack assemblies 201 that is coated with this end cover and surface cover can be installed in the installing space 250 of a socket matrix 25, as Fig. 3 G, shown in 3H, be provided with Fig. 2 D on the inner surface of this socket matrix 25, projection 113 shown in 2E, 114 corresponding guiding grooves, this guiding groove is by two insertion portions 253, 254 and rotating parts 252 connections form, and, these two insertion portions 253, 254 width and this two projections 113, 114 width is suitable, namely the width of an insertion portion is a bit larger tham the width of another insertion portion, for example, the width of insertion portion 253 is a bit larger tham the width of insertion portion 254, like this, when in plug insertion socket, projection 113 on this plug body one end 11, 114 can only be respectively in alignment with insertion portion 253, could realize in 254 o'clock inserting, thereby it is unique making inserted mode, avoid inserting error.
As shown in Fig. 3 G, also be provided with step 2501 on the inner surface of this socket matrix 25, plug body one end location when it can be used for the location and installation of jack assemblies 201 and plug and inserts.After this jack assemblies 201 that is coated with this cover and surface cover is installed in the installing space 250 of this socket matrix 25 end, the first half of this jack assemblies 201 is exposed to the top of this step 2501, namely be in the part 251 that this installing space 250 is positioned at this step 2501 tops, and and the inner surface of this socket matrix 25 between form gap (indicating in figure), an end 11 that holds this plug body for time in plug insertion socket, as shown in Fig. 4 A, wherein clear plug body one end that shows is inserted in this gap.
In the present invention, as shown in Fig. 4 A, have a locating ring 63 and a piston ring 64 between this socket matrix 25 and this jack housing 20, be used for the socket matrix location and installation of jack assemblies being installed in jack housing 20 1 ends.And, in conjunction with reference to figure 2B, be positioned on the bottom surface of this second spigot 302 in this first spigot 301 outsides of this plug-bolt and be provided with outer protective jacket 65, be positioned on this insertion end face in this guide hole 308 outsides and be provided with protective jacket 66.And described the second electrode 43,44 is installed by the second spring 431,441 elasticity.These socket terminals 67 are connected with this first pedestal 50 by the screw 690 (referring to Fig. 3 C) that tapping screw 69 passes on it.
As shown in Figure 4 B, the insert port inboard of this jack housing 20 is provided with circlip 91, sealing property and water resistance when inserting in order to strengthen plug between plug-assembly and jack housing.And, also being provided with a spring 92 in the grafting keyhole of this jack assemblies, this spring 92 is set on this guide pillar 68, the reliability of electrical connection when guaranteeing conductive site between plug-assembly and jack assemblies.And described the first electrode 51,52 is installed by the first spring 511,521 elasticity.
As shown in Fig. 4 C, in conjunction with Figure 1A, Fig. 2 E, be connected with a plug line ball mouth 80 on these plug body 10 other ends 12, be provided with on it for the pressure-ray film 81 that compresses the wire on this plug-assembly.And, in this plug body 10, also by a waterproof apron 931, a waterproof skeleton 93 is installed between this plug line ball mouth 80 and this plug body 10, wire on this plug-assembly passes this waterproof skeleton 93, passed and compacted by this line ball mouth 80, conduct electricity water proofing property when being connected thereby also strengthened plug and socket.Also be provided with explosion-proof waterproof apron 94, the explosion-proof and water resistance with further enhancing on this jack housing 20 end face relative with this plug body 10.Be connected with a compression ring 22 and a jack housing line ball mouth 90 that is connected with this compression ring 22 at this jack housing other end 21, in order to compress the wire (not shown) that is connected with electrodes conduct on this jack assemblies.And, in this jack housing 20, also by a waterproof apron, one waterproof skeleton (not shown) is installed in space 210 between this compression ring 22 and this jack housing 20, water resistance with further reinforcement socket, and the structure of the structure of this waterproof apron and waterproof skeleton and this waterproof apron 931, waterproof skeleton 93 is similar.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and modification, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (24)
1. an explosionproof electric connecting device, is characterized in that, comprises
Plug, it has
One plug body;
One plug-assembly, be placed in this plug body one end, and has a plug-bolt, be disposed with two the first relative contacts, two the second relative contacts and a fastener on insertion end face this plug-bolt lateral wall from the close-by examples to those far off apart from this plug-bolt, and this fastener be positioned at one of them this second contact directly over;
Socket, it has
One jack housing;
One jack assemblies, be placed in this jack housing one end, and have the grafting keyhole of an adaptive described plug-bolt plug and rotation, and be separately positioned on gathering sill, two the first relative electrodes and two the second relative electrodes on the hole wall of described grafting keyhole;
Wherein, described plug-bolt inserts in described grafting keyhole, and rotate angle to a conductive site by this fastener along described gathering sill, and described the first contact, the second contact are electrically connected with described the first electrode, the second electrode respectively in described conductive site, and reverse rotation separates outage.
2. explosionproof electric connecting device according to claim 1, it is characterized in that, described plug-bolt is made of the first spigot and the second spigot, and the external diameter of this first spigot is less than the external diameter of this second spigot, these two first contacts are positioned on this first spigot, and these two the second contacts and this fastener are positioned on this second spigot; And each this first contact and each this second contact are connected with a plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by wire.
3. explosionproof electric connecting device according to claim 2, it is characterized in that, this plug body other end is connected with a plug line ball mouth, be provided with on it be used to the pressure-ray film that compresses described wire, in this plug body, also by a waterproof apron, one waterproof skeleton is installed between this plug line ball mouth and this plug body.
4. explosionproof electric connecting device according to claim 3, is characterized in that, is wired to the right angle between the line between these two first contacts and this two the second contacts.
5. according to claim 1～4 described explosionproof electric connecting devices of arbitrary claim, is characterized in that, described jack assemblies comprises:
One socket terminals;
One first pedestal is positioned on these socket terminals, is provided with described two the first electrodes on it, and has one first pedestal keyhole;
One insulation cushion is positioned on this first pedestal, and has an insulation cushion keyhole;
One second pedestal is positioned on this insulation cushion, is provided with described two the second electrodes and described gathering sill on it, and has one second pedestal keyhole;
Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole consist of described grafting keyhole, and described the first electrode and the second electrode are installed by the first spring and the second spring respectively.
6. explosionproof electric connecting device according to claim 5, it is characterized in that, also be formed with a guide pillar on the bottom surface of this first pedestal keyhole of this first pedestal, the corresponding guide hole that coordinates guiding to insert with this guide pillar that is formed with on this insertion end face of this plug-bolt, and should also be provided with one the 3rd spring in the grafting keyhole, the 3rd spring housing is loaded on this guide pillar.
7. explosionproof electric connecting device according to claim 6, is characterized in that, is positioned on the bottom surface of this second spigot in this first spigot outside of this plug-bolt to be provided with outer protective jacket, is positioned on this insertion end face in this guide hole outside to be provided with protective jacket.
8. explosionproof electric connecting device according to claim 5, it is characterized in that, also be coated with end cover and a surface cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this surface cover is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
9. explosionproof electric connecting device according to claim 8, it is characterized in that, this jack assemblies that is coated with this end cover and surface cover is installed in a socket matrix, and this socket matrix is installed in this jack housing, have a locating ring and a piston ring between this socket matrix and this jack housing, and be provided with explosion-proof waterproof apron on this jack housing end face relative with this plug body.
10. explosionproof electric connecting device according to claim 9, is characterized in that, this socket one end also has a waterproof cover, and it exposes/this grafting keyhole of sealing by a pivot pin and turnover this jack housing that is connected in of a torsion spring; This jack housing other end is connected with the jack housing line ball mouth that a compression ring and is connected with this compression ring, and in this jack housing, also by a waterproof apron, one waterproof skeleton is installed between this compression ring and this jack housing.
11. explosionproof electric connecting device according to claim 5, it is characterized in that, these two first electrodes are AC phase electrode, and one of them is R phase electrode for these two second electrodes, another is L phase electrode, also is provided with a neutral electrode by a shell fragment elasticity in this gathering sill; These two first contacts correspond to AC phase contact, and one of them corresponds to R phase contact these two second contacts, and another is L phase contact, and this fastener corresponds to a neutral contact.
12. explosionproof electric connecting device according to claim 9, it is characterized in that, be formed with two projections that are oppositely arranged and protrude from this outer surface on the outer surface of this plug body one end, and on the inner surface of this socket matrix, correspondence is provided with guiding groove, and this guiding groove forms by the insertion portion that inserts respectively for these two projections with for the common rotating part connection of rotating of these two projections; And one of them of these two projections has the first width, and another has the second width, and the first width is greater than the second width, and the width of two insertion portions of this of this guiding groove and the width of these two projections are suitable.
13. plug, it is characterized in that, it has a plug body and a plug-assembly, this plug-assembly is placed in this plug body one end, and has a plug-bolt, described plug-bolt is made of the first spigot and the second spigot, this the first spigot one end has one and inserts end face, the other end is connected with this second spigot, and the external diameter of this first spigot is less than the external diameter of this second spigot, be provided with two the first relative contacts on the lateral wall of this first spigot, be provided with on the lateral wall of this second spigot two the second relative contacts and one be positioned at this second contact directly over fastener, these two first contacts, these two second contacts, this fastener lays respectively at apart from this insertion end face three Different Plane from the close-by examples to those far off, and be wired to the right angle between the line between these two first contacts and this two the second contacts.
14. plug according to claim 13 is characterized in that, each this first contact and each this second contact are connected with a plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by wire.
15. plug according to claim 14, it is characterized in that, this plug body other end is connected with a plug line ball mouth, be provided with on it be used to the pressure-ray film that compresses described wire, and, in this plug body, also by a waterproof apron, one waterproof skeleton is installed between this plug line ball mouth and this plug body.
16. plug according to claim 13 is characterized in that, these two first contacts are AC phase contact, and one of them is R phase contact for these two second contacts, and another is L phase contact, and this fastener is a neutral contact.
17. according to claim 13～16 described plugs of arbitrary claim, it is characterized in that, be formed with two projections that are oppositely arranged and protrude from this outer surface on the outer surface of this plug body one end, one of them of these two projections has the first width, another has the second width, and the first width is greater than the second width.
18. socket, it is characterized in that, it has a jack housing and a jack assemblies, this jack assemblies is placed in this jack housing one end, and the grafting keyhole that has the plug of plug-bolt described in an adaptive claim 13 to 17 and rotate, and be separately positioned on gathering sill, two the first relative electrodes and two the second relative electrodes on the hole wall of described grafting keyhole
Described jack assemblies comprises:
One socket terminals;
One first pedestal is positioned on these socket terminals, is provided with described two the first electrodes on it, and has one first pedestal keyhole;
One insulation cushion is positioned on this first pedestal, and has an insulation cushion keyhole;
One second pedestal is positioned on this insulation cushion, is provided with described two the second electrodes and described gathering sill on it, and has one second pedestal keyhole;
Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole consist of described grafting keyhole, and described the first electrode and the second electrode are installed by the first spring and the second spring respectively.
19. socket according to claim 18 is characterized in that, also is formed with a guide pillar on the bottom surface of this first pedestal keyhole of this first pedestal, also is provided with one the 3rd spring in this grafting keyhole, the 3rd spring housing is loaded on this guide pillar.
20. socket according to claim 19, it is characterized in that, also be coated with end cover and a surface cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this surface cover is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
21. socket according to claim 20, it is characterized in that, this jack assemblies that is coated with this end cover and surface cover is installed in a socket matrix, and this socket matrix is installed in this jack housing, have a locating ring and a piston ring between this socket matrix and this jack housing, be provided with explosion-proof waterproof apron on this jack housing end face relative with this plug body in claim 13 to 17.
22. socket according to claim 20 is characterized in that, is provided with guiding groove on the inner surface of this socket matrix, this guiding groove is formed by two insertion portions and a rotating part connection, and the width of two insertion portions of this guiding groove is different.
23. socket according to claim 20 is characterized in that, this socket one end also has a waterproof cover, and it exposes/this grafting keyhole of sealing by a pivot pin and turnover this jack housing that is connected in of a torsion spring; This jack housing other end is connected with the jack housing line ball mouth that a compression ring and is connected with this compression ring, and in this jack housing, also by a waterproof apron, one waterproof skeleton is installed between this compression ring and this jack housing.
24. socket according to claim 18 is characterized in that, these two first electrodes are AC phase electrode, and one of them is R phase electrode for these two second electrodes, and another is L phase electrode, also is provided with a neutral electrode by a shell fragment elasticity in this gathering sill.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150700 CN102222849B (en) | 2010-04-15 | 2010-04-15 | Explosionproof electrical connector, plug and socket thereof |
| PCT/CN2010/000649 WO2011127630A1 (en) | 2010-04-15 | 2010-05-07 | Explosion proof electrical connecting device, plug thereof and socket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150700 CN102222849B (en) | 2010-04-15 | 2010-04-15 | Explosionproof electrical connector, plug and socket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102222849A CN102222849A (en) | 2011-10-19 |
| CN102222849B true CN102222849B (en) | 2013-05-22 |
Family
ID=44779313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010150700 Expired - Fee Related CN102222849B (en) | 2010-04-15 | 2010-04-15 | Explosionproof electrical connector, plug and socket thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102222849B (en) |
| WO (1) | WO2011127630A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241936B (en) * | 2013-06-09 | 2018-03-09 | 上海翔洲电气科技有限公司 | Plug seal component |
| CN104037524B (en) * | 2014-07-04 | 2016-05-11 | 乐清市长征电器开关厂 | Explosion proof plug device |
| DE102018105510A1 (en) * | 2018-03-09 | 2019-09-12 | Eaton Protection Systems Ip Gmbh & Co. Kg | Electrical plug device |
| TWI757933B (en) * | 2020-10-27 | 2022-03-11 | 好慶科技企業股份有限公司 | Electrical plug |
| CN112952451A (en) * | 2021-01-07 | 2021-06-11 | 嘉兴石化有限公司 | Explosion-proof maintenance power supply plug protection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545728Y (en) * | 2001-09-20 | 2003-04-16 | 广东德豪润达电器股份有限公司 | Cordless electric connector |
| DE102004059162A1 (en) * | 2004-12-08 | 2006-06-14 | BSH Bosch und Siemens Hausgeräte GmbH | Electric kettle with cordless part, socket part with electric coupling terminal and with current supply connection for contacting cordless part, with first connector in underside of cordless part |
| CN2906991Y (en) * | 2006-05-26 | 2007-05-30 | 阮清天 | Single-head fitted plug and socket switch |
| CN201752057U (en) * | 2010-04-15 | 2011-02-23 | 韩剑桦 | Explosionproof electric connecting device as well as plug and socket thereof |
-
2010
- 2010-04-15 CN CN 201010150700 patent/CN102222849B/en not_active Expired - Fee Related
- 2010-05-07 WO PCT/CN2010/000649 patent/WO2011127630A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545728Y (en) * | 2001-09-20 | 2003-04-16 | 广东德豪润达电器股份有限公司 | Cordless electric connector |
| DE102004059162A1 (en) * | 2004-12-08 | 2006-06-14 | BSH Bosch und Siemens Hausgeräte GmbH | Electric kettle with cordless part, socket part with electric coupling terminal and with current supply connection for contacting cordless part, with first connector in underside of cordless part |
| CN2906991Y (en) * | 2006-05-26 | 2007-05-30 | 阮清天 | Single-head fitted plug and socket switch |
| CN201752057U (en) * | 2010-04-15 | 2011-02-23 | 韩剑桦 | Explosionproof electric connecting device as well as plug and socket thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011127630A1 (en) | 2011-10-20 |
| CN102222849A (en) | 2011-10-19 |
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