CN102222849A - Explosionproof electrical connector, plug and socket thereof - Google Patents
Explosionproof electrical connector, plug and socket thereof Download PDFInfo
- Publication number
- CN102222849A CN102222849A CN2010101507000A CN201010150700A CN102222849A CN 102222849 A CN102222849 A CN 102222849A CN 2010101507000 A CN2010101507000 A CN 2010101507000A CN 201010150700 A CN201010150700 A CN 201010150700A CN 102222849 A CN102222849 A CN 102222849A
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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 explosion-proof arrangements of electric connection and plug thereof, socket.
Background technology
Have the explosion risk zone, the connector between electric equipment and the 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 the insertion.
Present existing explosion-proof arrangements of electric connection, comprise explosion-proof plug and Explosionproof socket, with four phase plugs and socket is example, wherein have four plug electrodes and a switch member on the insertion end face of plug, and correspondence is provided with four jacks and a conduction element on the socket, when in the 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 the same end face, in connecting conducting process, takes place in the arrangements of electric connection of this structure easily, has certain potential safety hazard.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of explosion-proof arrangements of electric connection and plug and socket thereof, overcome the potential safety hazard of existing arrangements of electric connection, be connected with the safety that guarantees electric equipment and power supply.
To achieve these goals, the invention provides a kind of explosion-proof arrangements of electric connection, its characteristics are, comprise plug, and it has a plug body; One plug-assembly, place in this plug body one end, and has a grafting bolt, on insertion end face this grafting bolt lateral wall from the close-by examples to those far off, be disposed with two first relative contacts, two second relative contacts and a fastener apart from this grafting bolt, and this fastener be positioned at one of them this second contact directly over; Socket, it has a jack housing; One jack assemblies, place in this jack housing one end, and have the grafting keyhole of an adaptive described grafting bolt plug and rotation, and be separately positioned on gathering sill, two first relative electrodes and two second relative electrodes on the hole wall of described grafting keyhole; Wherein, described grafting bolt inserts in the described grafting keyhole, and rotate angle to a conductive site along described gathering sill by this fastener, and described first contact, second contact electrically connect with described first electrode, second electrode respectively in described conductive site, and reverse rotation then separates outage.
Preferably, described grafting bolt is made of first spigot and 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 second contacts and this fastener are positioned on this second spigot; And each this first contact and each this second contact are connected with plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by lead.
Preferably, this plug body other end is connected with a plug line ball mouth, and it is provided with the pressure-ray film that is used to compress described lead, 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 second contacts.
Preferably, described jack assemblies comprises: socket terminals; One first pedestal is positioned on these socket terminals, and it is provided with described two first electrodes, 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, and it is provided with described two second electrodes and described gathering sill, and has one second pedestal keyhole; Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole constitute described grafting keyhole, and described first electrode and second electrode are installed by first spring and second spring respectively.
Preferably, also be formed with a guide pillar on the bottom surface of this first pedestal keyhole of this first pedestal, correspondence is formed with the guide hole that cooperates guiding to insert with this guide pillar on this insertion end face of this grafting bolt, 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, the bottom surface of this second spigot that is positioned at this first spigot outside of this grafting bolt is provided with outer protective jacket, and this insertion end face that is positioned at outside this guide hole is provided with protective jacket.
Preferably, also be coated with end cover and one side cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this face cover then 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 face cover is installed in the 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 this jack housing and this plug body opposing end faces are provided with explosion-proof waterproof apron.
Preferably, this socket one end also has a waterproof cover, and it is by a pivot pin and turnover this jack housing that is connected in of a torsion spring, this grafting keyhole of exposure/sealing; 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 a 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 a 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 correspondence is provided with guiding groove on the inner surface of this socket matrix, 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 first width, and another has second width, and first width is greater than 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 places in this plug body one end, and has a grafting bolt, described grafting bolt is made of first spigot and second spigot, this 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, the lateral wall of this first spigot is provided with two first relative contacts, the lateral wall of this second spigot be provided with two 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 is wired to the right angle between the line between these two first contacts and this two second contacts.
Preferably, each this first contact and each this second contact are connected with plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by lead.
Preferably, this plug body other end is connected with a plug line ball mouth, and it is provided with the pressure-ray film that is used to compress described lead, and, in this plug body, also one waterproof skeleton is installed between this plug line ball mouth and this plug body by a waterproof apron.
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 a 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 first width, and another has second width, and first width is greater than second width.
The present invention provides a kind of socket again, its characteristics are, it has a jack housing and a jack assemblies, this jack assemblies places in this jack housing one end, and have the grafting keyhole of an adaptive described grafting bolt plug and rotation, and be separately positioned on gathering sill, two first relative electrodes and two 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, and it is provided with described two first electrodes, 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, and it is provided with described two second electrodes and described gathering sill, and has one second pedestal keyhole; Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole constitute described grafting keyhole, and described first electrode and second electrode are installed by first spring and 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 end cover and one side cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this face cover then 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 face cover is installed in the 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, this jack housing and this plug body opposing end faces are provided with explosion-proof waterproof apron.
Preferably, the inner surface of this socket matrix is provided with guiding groove, and this guiding groove is formed by two insertion portions and a rotating part connection, and the width difference of two insertion portions of this guiding groove.
Preferably, this socket one end also has a waterproof cover, and it is by a pivot pin and turnover this jack housing that is connected in of a torsion spring, this grafting keyhole of exposure/sealing; 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 a L phase electrode, also is provided with a neutral electrode by a shell fragment elasticity in this gathering sill.
The contact of explosion-proof arrangements of electric connection of the present invention by being arranged on the plug side realized and being electrically connected of socket in the mode of spin friction contact, effectively avoided being easy to generate electric spark in the electrical connection process, makes security performance higher.In addition, the design by waterproof skeleton, waterproof apron, waterproof cover etc. makes explosion-proof arrangements of electric connection of the present invention have better water resistance simultaneously 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 preferable explosion-proof arrangements of electric connection of the present invention one;
Figure 1B is the end view of the preferable explosion-proof arrangements of electric connection of the present invention one;
Fig. 1 C is the rearview of the preferable explosion-proof arrangements of electric connection of the present invention one;
Fig. 2 A is the Facad structure schematic diagram of the plug-assembly in the preferable explosion-proof arrangements of electric connection of the present invention one;
Fig. 2 B is the cutaway view along D-D direction among Fig. 2 A;
Fig. 2 C is the cutaway view along E-E direction among Fig. 2 A;
Fig. 2 D is the structural representation of the plug body in the preferable explosion-proof arrangements of electric connection 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 preferable explosion-proof arrangements of electric connection of the present invention one;
Fig. 3 B has removed the Facad structure schematic diagram of the jack assemblies after the jack housing for the socket among Fig. 3 A;
Fig. 3 C is the cutaway view along F-F direction among Fig. 3 B;
Fig. 3 D is the vertical view of first pedestal among Fig. 3 C, wherein this first pedestal neutral contact of being provided with gathering sill and being positioned at gathering sill;
Fig. 3 E is the upward view of first pedestal among Fig. 3 C, and wherein this first pedestal is provided with two second relative electrodes;
Fig. 3 F is the vertical view of second pedestal among Fig. 3 C, and wherein this second pedestal is provided with two first relative electrodes;
Fig. 3 G is used to install the cutaway view of the socket matrix of this jack assemblies for the present invention;
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 among Figure 1A, and wherein these two second contacts and this two second electrodes electrically connect when conductive site;
Fig. 4 B is the cutaway view along B-B direction among Figure 1B, and wherein these two first contacts and this two first electrodes electrically connect when conductive site; And
Fig. 4 C is that wherein this jack housing is provided with explosion-proof waterproof apron along the cutaway view of C-C direction among Figure 1B, 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
Shown in Figure 1A～Fig. 1 C, explosion-proof arrangements of electric connection of the present invention comprises plug 100 and socket 200, wherein plug 100 connects an electric equipment (not shown), socket 200 electrically connects power supply, when plug 100 inserts in the socket 200 and electrically connects, can realize the electric connection of electric equipment and power supply.Has earth terminal 24 on the socket 200, shown in Figure 1B.
This plug 100 has a plug body 10 and a plug-assembly 30, shown in Fig. 2 A, this plug-assembly 30 has a grafting bolt 300, on insertion end face this grafting bolt lateral wall from the close-by examples to those far off, be disposed with two second contact 33 and 34 and one fasteners 35 that the first relative contact 31 is relative with 32, two apart from this grafting bolt 300, and this fastener 35 be positioned at one of them this second contact directly over, as be positioned at second contact 33 directly over.Preferably, described grafting bolt 300 is made of first spigot 301 and 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 first contacts 31,32 are positioned on the lateral wall of this first spigot 301, and these two second contacts 33,34 and this fastener 35 are positioned on the lateral wall of this second spigot 302.And, preferably, be wired to the right angle between the line between these two first contacts 31,32 and this two second contacts 33,34.In an embodiment of the present invention, these two first contacts 31,32 can be AC phase contact, and one of them can be R phase contact this two second contacts 33,34, and another can be L phase contact, is L phase contact as second contact 33, and second contact 34 is a R phase contact.This fastener 35 can be a neutral contact.
Shown in Fig. 2 B, 2C, each this first contact 31,32 and each this second contact 33,34 are connected with a plug bond terminal 316,326,336,346 conductions by an inserted sheet 315,325,335,345 respectively, and each this plug bond terminal 316,326,336,346 is connected with this electric equipment by the lead (not shown).This fastener 35 (neutral contact) can with these second contact, 33 shared inserted sheets.And, also be formed with a guide hole 308 that is used to guide this plug to insert on this insertion end face of this grafting bolt 300.
This plug-assembly 30 places in these jack housing 10 1 ends 11, 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 (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 places the interior jack assemblies 201 of these jack housing 20 1 ends, 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, and it is provided with two first relative electrodes 51,52, 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, it is provided with two relative second electrode 43,44 and gathering sills 450, and has one second a pedestal keyhole 401, this first pedestal keyhole 501, this insulation cushion keyhole 4051, this second pedestal keyhole 401 constitute a grafting keyhole, use the grafting 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 a torsion spring 72 turnover this jack housing 20 that are connected in, in order to this grafting keyhole of exposure/sealing, it can extract this socket of rear enclosed at plug, makes it to have the excellent waterproof function.
Shown in Fig. 3 C, also be coated with end cover 62 and the one side that waterproof material makes on these jack assemblies 201 outer surfaces and overlap 61, wherein should overlap 62 the end is coated on these first pedestal, 50 outer surfaces, this 61 in face cover is coated on the outer surface of this second pedestal 40 and this insulation cushion 405, and be threaded, thereby can make whole jack assemblies 201 outer surfaces have water-proof function with this cover 62 end.Also be formed with a guide pillar 68 on the bottom surface of this first pedestal keyhole 501 of this first pedestal 50, cooperate with guide hole 308 on this grafting bolt, in order to guide the smooth insertion of this plug.
Shown in Fig. 3 D, show the structure on the upper surface 403 of second pedestal 40 in this jack assemblies 201, wherein the hole wall of this second pedestal keyhole 401 of upper surface 403 upper edge parts of this second pedestal 40 is provided with this gathering sill 450, and this gathering sill 450 has an insertion position 450a and a conductive site 450b.
Shown in Fig. 3 E, show the structure on the lower surface 404 of second pedestal 40 in this jack assemblies 201, wherein be separately installed with described second electrode 43,44 by electrode mounting groove 430,440 on the lower surface 404 of this second pedestal 40, the contact-making surface of described second electrode 43,44 is exposed on the hole wall of this second pedestal keyhole 401.Preferable, described second electrode 43,44 back sides are equipped with spring 431,441 (referring to Fig. 4 A) by spring mounting groove 432,442, and so that described second electrode, 43,44 elasticity are installed on this second pedestal 40, it is more reliable that conduction is connected.
Shown in Fig. 3 F, show the structure on the upper surface 504 of first pedestal 50 in this jack assemblies 201, wherein be separately installed with described first electrode 51,52 by electrode mounting groove 510,520 on the upper surface 504 of this first pedestal 50, the contact-making surface of described first electrode 51,52 is exposed on the hole wall of this first pedestal keyhole 501.Preferable, first electrode, 51,52 back sides are equipped with spring 511,521 (referring to Fig. 4 B) by spring mounting groove 512,522, and so that described first electrode, 51,52 elasticity are installed on this first pedestal 50, it is more reliable that conduction is connected.
In a preferred embodiment of the present invention, these two first electrodes 51,52 are AC phase electrode, and one of them is R phase electrode for this two second electrodes 43,44, and another is a L phase electrode, and for example second electrode 43 is a L phase electrode, and second electrode 44 is a R phase electrode.Preferable, these electrodes connect by flexible cord 95 (shown in Fig. 4 C) conduction.And, also be provided with a neutral electrode 45 in this gathering sill 450 by a shell fragment 451 elasticity, 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 this gathering sill 450 rotations one angle to this conductive site 450b, 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, first contact 31 on this plug- assembly 30 and 32, second contact 33 and 34, neutral contact (being fastener 35) electrically connect with described first electrode 51 and 52, second electrode 43 and 44, neutral electrode 45 respectively.Otherwise reverse rotation then separates outage.In an embodiment of the present invention, this gathering sill 450 is distributed in roughly on the hole wall of 1/4 the second pedestal keyhole 401, roughly revolves after promptly this plug inserts to be in the conductive site conduction after turning 90 degrees and to connect.In the present invention, can make the power of plug reverse rotation by design, so that arrangements of electric connection of the present invention more meets the relevant criterion of explosion-proof arrangements of electric connection to this shell fragment 451 and this neutral electrode 45 with about 3～10kg.
In a preferred embodiment of the present invention, this jack assemblies 201 that is coated with this end cover and face cover can be installed in the installing space 250 of a socket matrix 25, as Fig. 3 G, shown in the 3H, the inner surface of this socket matrix 25 is provided with the D with Fig. 2, projection 113 shown in the 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, promptly 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 the 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 make that inserted mode is unique, avoids inserting mistake.
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 face 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, promptly be in the part 251 that this installing space 250 is positioned at these step 2501 tops, and and the inner surface of this socket matrix 25 between form gap (indicating among the figure), an end 11 that holds this plug body for time in the plug insertion socket, shown in Fig. 4 A, wherein clear plug body one end that shows is inserted in this gap.
In the present invention, shown in Fig. 4 A, between this socket matrix 25 and this jack housing 20, have a locating ring 63 and a piston ring 64, be used for and the socket matrix location and installation of jack assemblies be installed in jack housing 20 1 ends.And in conjunction with reference to figure 2B, the bottom surface of this second spigot 302 that is positioned at these first spigot, 301 outsides of this grafting bolt is provided with outer protective jacket 65, and this insertion end face that is positioned at these guide hole 308 outsides is provided with protective jacket 66.And described second electrode 43,44 is installed by 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.
Shown in Fig. 4 B, the insertion mouth 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 the 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 during in order to the assurance conductive site between plug-assembly and the jack assemblies.And described first electrode 51,52 is installed by first spring, 511,521 elasticity.
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, it is provided with the pressure-ray film 81 that is used to compress the lead on this plug-assembly.And, in this plug body 10, also a waterproof skeleton 93 is installed between this plug line ball mouth 80 and this plug body 10 by a waterproof apron 931, lead on this plug-assembly passes this waterproof skeleton 93, pass 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, explosion-proof and water resistance on this jack housing 20 and these plug body 10 opposing end faces with further enhancing.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 lead (not shown) that is connected with electrodes conduct on this jack assemblies.And, in this jack housing 20, also one waterproof skeleton (not shown) is installed in the space 210 between this compression ring 22 and this jack housing 20 by a waterproof apron, water resistance with further reinforcement socket, and, the similar of the structure of this waterproof apron and waterproof skeleton and this waterproof apron 931, waterproof skeleton 93.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and modification according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (25)
1. an explosion-proof arrangements of electric connection is characterized in that, comprises
Plug, it has
One plug body;
One plug-assembly, place in this plug body one end, and has a grafting bolt, on insertion end face this grafting bolt lateral wall from the close-by examples to those far off, be disposed with two first relative contacts, two second relative contacts and a fastener apart from this grafting bolt, and this fastener be positioned at one of them this second contact directly over;
Socket, it has
One jack housing;
One jack assemblies, place in this jack housing one end, and have the grafting keyhole of an adaptive described grafting bolt plug and rotation, and be separately positioned on gathering sill, two first relative electrodes and two second relative electrodes on the hole wall of described grafting keyhole;
Wherein, described grafting bolt inserts in the described grafting keyhole, and rotate angle to a conductive site along described gathering sill by this fastener, and described first contact, second contact electrically connect with described first electrode, second electrode respectively in described conductive site, and reverse rotation then separates outage.
2. explosion-proof arrangements of electric connection according to claim 1, it is characterized in that, described grafting bolt is made of first spigot and 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 second contacts and this fastener are positioned on this second spigot; And each this first contact and each this second contact are connected with plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by lead.
3. explosion-proof arrangements of electric connection according to claim 2, it is characterized in that, this plug body other end is connected with a plug line ball mouth, it is provided with the pressure-ray film that is used to compress described lead, in this plug body, also one waterproof skeleton is installed between this plug line ball mouth and this plug body by a waterproof apron.
4. explosion-proof arrangements of electric connection 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 second contacts.
5. according to the described explosion-proof arrangements of electric connection of the arbitrary claim of claim 1～4, it is characterized in that described jack assemblies comprises:
One socket terminals;
One first pedestal is positioned on these socket terminals, and it is provided with described two first electrodes, 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, and it is provided with described two second electrodes and described gathering sill, and has one second pedestal keyhole;
Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole constitute described grafting keyhole, and described first electrode and second electrode are installed by first spring and second spring respectively.
6. explosion-proof arrangements of electric connection 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 cooperates guiding to insert with this guide pillar that is formed with on this insertion end face of this grafting 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. explosion-proof arrangements of electric connection according to claim 6 is characterized in that, the bottom surface of this second spigot that is positioned at this first spigot outside of this grafting bolt is provided with outer protective jacket, and this insertion end face that is positioned at outside this guide hole is provided with protective jacket.
8. explosion-proof arrangements of electric connection according to claim 5, it is characterized in that, also be coated with end cover and one side cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this face cover then is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
9. explosion-proof arrangements of electric connection according to claim 8, it is characterized in that, this jack assemblies that is coated with this end cover and face cover is installed in the 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 this jack housing and this plug body opposing end faces are provided with explosion-proof waterproof apron.
10. explosion-proof arrangements of electric connection according to claim 9 is characterized in that, this socket one end also has a waterproof cover, and it is by a pivot pin and turnover this jack housing that is connected in of a torsion spring, this grafting keyhole of exposure/sealing; 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. explosion-proof arrangements of electric connection according to claim 5, it is characterized in that these two first electrodes are AC phase electrode, one of them is R phase electrode for these two second electrodes, another is a 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 a L phase contact, and this fastener corresponds to a neutral contact.
12. explosion-proof arrangements of electric connection 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 correspondence is provided with guiding groove on the inner surface of this socket matrix, 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 first width, and another has second width, and first width is greater than 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 places in this plug body one end, and has a grafting bolt, described grafting bolt is made of first spigot and second spigot, this 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, the lateral wall of this first spigot is provided with two first relative contacts, the lateral wall of this second spigot be provided with two 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 is wired to the right angle between the line between these two first contacts and this two second contacts.
14. explosion-proof arrangements of electric connection according to claim 13, it is characterized in that, each this first contact and each this second contact are connected with plug bond terminal conduction by an inserted sheet respectively, and each this plug bond terminal is connected with an electric equipment by lead.
15. explosion-proof arrangements of electric connection according to claim 14, it is characterized in that, this plug body other end is connected with a plug line ball mouth, it is provided with the pressure-ray film that is used to compress described lead, and, in this plug body, also one waterproof skeleton is installed between this plug line ball mouth and this plug body by a waterproof apron.
16. explosion-proof arrangements of electric connection 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 a L phase contact, and this fastener is a neutral contact.
17. according to the described explosion-proof arrangements of electric connection of the arbitrary claim of claim 13～16, 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 first width, another has second width, and first width is greater than second width.
18. socket, it is characterized in that, it has a jack housing and a jack assemblies, this jack assemblies places in this jack housing one end, and have the grafting keyhole of an adaptive described grafting bolt plug and rotation, and be separately positioned on gathering sill, two first relative electrodes and two second relative electrodes on the hole wall of described grafting keyhole.
19. socket according to claim 18 is characterized in that, described jack assemblies comprises:
One socket terminals;
One first pedestal is positioned on these socket terminals, and it is provided with described two first electrodes, 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, and it is provided with described two second electrodes and described gathering sill, and has one second pedestal keyhole;
Wherein, this first pedestal keyhole, this insulation cushion keyhole, this second pedestal keyhole constitute described grafting keyhole, and described first electrode and second electrode are installed by first spring and second spring respectively.
20. socket according to claim 19 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.
21. explosion-proof arrangements of electric connection according to claim 20, it is characterized in that, also be coated with end cover and one side cover on this jack assemblies outer surface, wherein should overlap at the end and be coated on this first pedestal outer surface, this face cover then is coated on the outer surface of this second pedestal and this insulation cushion, and is connected with this end external threading.
22. socket according to claim 21, it is characterized in that, this jack assemblies that is coated with this end cover and face cover is installed in the 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, this jack housing and this plug body opposing end faces are provided with explosion-proof waterproof apron.
23. socket according to claim 21 is characterized in that, the inner surface of this socket matrix is provided with guiding groove, and this guiding groove is formed by two insertion portions and a rotating part connection, and the width difference of two insertion portions of this guiding groove.
24. socket according to claim 21 is characterized in that, this socket one end also has a waterproof cover, and it is by a pivot pin and turnover this jack housing that is connected in of a torsion spring, this grafting keyhole of exposure/sealing; 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.
25. socket according to claim 19 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 a 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 true CN102222849A (en) | 2011-10-19 |
| CN102222849B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037524A (en) * | 2014-07-04 | 2014-09-10 | 乐清市长征电器开关厂 | Anti-explosion plugging device |
| CN112952451A (en) * | 2021-01-07 | 2021-06-11 | 嘉兴石化有限公司 | Explosion-proof maintenance power supply plug protection system |
Families Citing this family (3)
| 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 |
| 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 |
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037524A (en) * | 2014-07-04 | 2014-09-10 | 乐清市长征电器开关厂 | Anti-explosion plugging device |
| CN104037524B (en) * | 2014-07-04 | 2016-05-11 | 乐清市长征电器开关厂 | Explosion proof plug device |
| CN112952451A (en) * | 2021-01-07 | 2021-06-11 | 嘉兴石化有限公司 | Explosion-proof maintenance power supply plug protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011127630A1 (en) | 2011-10-20 |
| CN102222849B (en) | 2013-05-22 |
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