CN103825144B - A kind of power connector with locking device - Google Patents
A kind of power connector with locking device Download PDFInfo
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- CN103825144B CN103825144B CN201310668476.8A CN201310668476A CN103825144B CN 103825144 B CN103825144 B CN 103825144B CN 201310668476 A CN201310668476 A CN 201310668476A CN 103825144 B CN103825144 B CN 103825144B
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- limited rack
- locking device
- linkage piece
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Abstract
The invention discloses a kind of power connector with locking device, it comprises housing, socket, plug; Described enclosure interior is provided with the unit switch of connection or point deenergizing, and described unit switch controls break-make by the knob be arranged on above described housing; Described socket stretches into described enclosure interior; The binding post of described socket is electrically connected with the lead-out terminal of described unit switch; The Plug Division of described plug is provided with projection; Described case inside, and be provided with between described socket with described unit switch and coordinate with described projection and described plug and described socket to be carried out the locking device that locks or unlock.Power connector of the present invention only could power to described plugs and sockets by operative combination switching knob after plug insertion socket, during power supply, described plug can not be extracted, and described housing can not separate operation, avoid the potential safety hazard of electriferous state misoperation.
Description
Technical field
The present invention relates to electric connection technology field, particularly relate to a kind of power connector with locking device.
Background technology
The electric current of commercial power is generally much bigger than civilian electricity, and the environment for use of the parts such as electrical appliance and switch is comparatively severe in industrial circuits, it is compared civilian circuit and has larger potential safety hazard, because of higher to the requirement of industrial switch in the industry, to prevent electric shock accidents.
For the ease of powering to electric tool or other electrical appliance, often need the wire frequently movement will connected with plug, socket, in moving process, being easy to, because excessively pullling or touch other object, plug occurs with socket is separated, and due to the electric current of commercial power general all very large, be easy to produce electric arc in the moment that plug is separated with socket, this electric arc is easy to neighbouring flammable materials of igniting, and then causes fire incident; In addition, due to the in use power-off suddenly of some electrical appliances, be easy to cause it to damage, therefore industrial plug socket all requires to have the locking device preventing both bands electrically separated.
As Chinese patent literature CN101540455A discloses a kind of attaching plug and receptacle combinations, it comprises a plug and a socket, described plug comprises a plug termination end, the plug termination end of the corresponding described plug of described socket is offered with inserting port, described plug termination end is offered a lock hole, the lock hole of the corresponding described plug termination end of described socket offers a fixing hole be communicated with described inserting port, one section of screw thread is provided with in this fixing hole, described attaching plug and receptacle combinations also comprise one and are arranged in locking piece in the fixing hole of described socket and the lock hole of described plug termination end, so that the plug termination end of described plug is locked in the inserting port with described socket, described locking piece is provided with one section of screw thread, to realize threaded engagement with described fixing hole.After the plug of this invention coordinates with socket grafting, carry out fastening locking by locking piece, be separated with socket to prevent in use plug.But needing when entering line-locked by plug and socket to use other instrument to be screwed in by locking piece in fixing hole, operating obviously cumbersome, and affecting operating efficiency.
And Chinese patent literature CN102509951A also discloses a kind of industrial connector and male, female, its arranged outside in male card groove, and to have been spun a grab by bearing pin in card groove, one end of grab is provided with gib head, its other end is then provided with snap-fastener, then be provided with a spring in the below of snap-fastener, one end of this spring is against by buckling, and its other end is against on card groove; In the U-lag of female seat, be provided with a projection, forming one between at the bottom of projection and U-lag can the skewed slot of indwelling gib head.After male coordinates with female grafting, the grab in male can be connected on the projection in female seat in U-lag just, forms locking.Compared to patent documentation CN101540455A, locking device disclosed in this patent documentation is more convenient for operating, but these two kinds of locking devices are all arranged on the outside of housing, in use be easy to come off or damage because touching other object, and connect power supply all the time due to the female end of socket, plug is hot line job in swapping process, after plug male end is pulled out, live terminal in the slotting chamber of socket female end is exposed, easily causes electric shock accidents, therefore has larger potential safety hazard.
Summary of the invention
For this reason, the existing plug for industrial use of the technical problem to be solved in the present invention, socket connector are hot line job in swapping process, and the band point partial denudation of socket female end, has larger potential safety hazard; And the locking between plug and socket can only be fixed by the locking press button or screw being arranged on its hull outside, troublesome poeration, and easily come off.
For achieving the above object, the invention provides a kind of power connector with locking device, and by the following technical solutions:
A kind of power connector with locking device, it comprises housing, described enclosure interior is provided with the unit switch of connection or point deenergizing, and the input terminal of described unit switch is connected with power supply, and the knob be arranged on above described housing controls the break-make of described unit switch by action bars; The plug that described power connector also comprises socket and coordinates with described socket, described socket stretches into described enclosure interior by the interface arranged on the housing; The binding post of described socket is electrically connected with the lead-out terminal of described unit switch; The Plug Division of described plug is provided with projection; Described case inside, and be provided with between described socket with described unit switch and coordinate with described projection and described plug and described socket to be carried out the locking device that locks or unlock, described locking device and described knob linkage, be suitable for when described knob rotates to switch connection position, described plug and described socket lock by described locking device, when described knob is to switch open position, the locking to described plug, described socket removed by described locking device.
Described locking device comprises the position-limited rack arranging described plug maximum insertion position place, and described position-limited rack is provided with and coordinates with described projection the catch locked, and described position-limited rack is by linkage piece and described knob linkage; The middle part of described linkage piece is hinged on by screw on the inwall of described housing, and the lower end of described knob is provided with eccentric drive portion, and described knob drives described linkage piece to swing by described eccentric drive portion, and then drives described catch to block or away from described projection.
Described position-limited rack is annular, and is fixed by support, and described position-limited rack can rotate relative to described support; The end of described plug can be inserted in described position-limited rack; Described catch is arranged on the inner ring surface of described position-limited rack, and it comprises the front and back catch arranged close to described plug side, and the rotation catch for strengthening described front and back catch intensity arranged vertically; Described plug inserts after in described socket, and described position-limited rack can be driven to rotate to an angle when described linkage piece swings, now, described front and back catch is suitable for coordinating with described projection, stops that described plug is outwards extracted, and realizes the locking of described plug.
The end coordinated with described position-limited rack of described linkage piece is provided with the breach of " U " shape, the outer ring surface of described position-limited rack is provided with the projection coordinated with described breach; Described linkage piece be provided with the through hole of " T " font substantially with one end of described knobs fit, described through hole comprises with the transverse holes of the arc that is the center of circle of pin joint in the middle part of described linkage piece, and the upright opening that the pin joint in the middle part of described linkage piece extends, described action bars is connected with described knob through the transverse holes of described through hole end, and described eccentric drive portion inserts in the upright opening in the middle part of described through hole; The track that the radian described linkage piece relative to described action bars of described transverse holes swings is consistent.
A slotting bearing pin horizontal in one end of described knobs fit of described action bars, the body of described action bars is extended at least one end of described bearing pin, and the length of described bearing pin is greater than the width of described transverse holes, and is less than the length of described transverse holes; When described unit switch is in open position, the axis of described bearing pin is consistent with the length direction of described transverse holes; When described unit switch is in on-position, the axis of described bearing pin and the length direction of described transverse holes have angle, and one end away from described action bars of described bearing pin is projected on the body of described linkage piece; Center below described knob is provided with the groove coordinated with described action bars, described bearing pin grafting.
The end in described eccentric drive portion is provided with the hook portion extended laterally, and described hook portion is passed described upright opening and extended to the below of described linkage piece; When the bearing of trend of described hook portion is consistent with the length direction of described upright opening, described eccentric drive portion can exit from described upright opening; When the bearing of trend of described hook portion departs from the length direction of described upright opening, described hook portion is stuck in the lower surface of described linkage piece.
Described enclosure interior is provided with the positioner for locating described position-limited rack.
Described positioner comprises lock dog, and one end of described lock dog is provided with rotating shaft, and described rotating shaft is provided with torsion spring, and described lock dog is hinged on described case inside by described rotating shaft; The other end of described lock dog is provided with fixture block, described position-limited rack is provided with the draw-in groove coordinated with described fixture block, and described torsion spring drives described lock dog to a sideway swivel of described position-limited rack, and to be coordinated with described draw-in groove by described fixture block and located by described position-limited rack; After described plug inserts described socket inside, described plug ends is conflicted described lock dog, and drives described lock dog to make described fixture block and described exact separation around described axis of rotation, to remove the locking position of described lock dog to described position-limited rack.
The spigot that described hull outside is positioned at described socket is hinged with socket cover, and the jointed shaft of described socket cover is arranged on the top of described socket.
Described socket cover away from the side of its jointed shaft, capping is provided with card division, the correspondence position of described plug is provided with stopper protrusion, after described plug inserts described socket, described card division and described stopper protrusion coordinate and realize described socket cover and be connected with the spacing of described plug.
Beneficial effect of the present invention:
1. the Plug Division of plug of the present invention is provided with projection, at case inside, be provided with between socket with unit switch and coordinate with this projection, and plug and socket are carried out the locking device that locks or unlock, this locking device and knob linkage, be suitable for when knob rotates to switch connection position, plug and socket lock by locking device, when action bars turns to switch open position, the locking to described plug, socket removed by locking device.This design only could be powered to socket and plug when the knob of unit switch is threaded to on-position, and now plug and socket lock by locking device, and plug can not be extracted, and eliminates potential safety hazard; And before unit switch is not connected, then socket is in off-position all the time, even if the binding post of its socket leaks outside, also can not there is electric shock accidents, thus improve processing safety.
2. a slotting bearing pin horizontal in one end of knobs fit of action bars of the present invention, the body of described action bars is extended at least one end of bearing pin, and the length of bearing pin is greater than the width of transverse holes, and is less than the length of transverse holes; When unit switch is in open position, the axis of bearing pin is consistent with the length direction of transverse holes, now action bars and bearing pin can be exited from transverse holes, carries out power connector inlet wire patching operations; And when unit switch is in on-position, the axis of bearing pin and the length direction of transverse holes have angle, and one end away from action bars of bearing pin is projected on the body of linkage piece, when action bars moves downward, bearing pin can be against on the linkage piece body of transverse holes side, action bars can not be exited from transverse holes, and then cannot by upper and lower two housings separately.Also namely when unit switch is in on-position; even if the screw disassembling connecting upper and lower two housings falls by operating personnel; due to the matching relationship of bearing pin and linkage piece; also cannot by upper and lower two housings separately; prevent operating personnel from encountering the exposed band point part of enclosure interior by mistake and electric shock accidents occurs, and then available protecting is personal and property safety.
3. the end in eccentric drive portion of the present invention is provided with the hook portion extended laterally, and this hook portion is passed upright opening and extended to the below of linkage piece; When the bearing of trend of hook portion is consistent with the length direction of upright opening, eccentric drive portion can exit from upright opening; When the bearing of trend of hook portion departs from the length direction of upright opening, hook portion is stuck in the lower surface of described linkage piece.When operating personnel are intended to upper-lower casing to be separated in an on state, because bearing pin is against the upper surface of linkage piece, be therefore difficult to be separated completely; But the screw now in the middle part of linkage piece is the equal of fulcrum, action bars is applied with a downward pulling force by bearing pin to linkage piece, now because action bars is larger to the arm of force of screw, linkage piece is easy to be pulled out of shape and then make upper and lower two housings separately, so not only damage linkage piece, be easy to electric shock accidents occurs simultaneously after upper and lower two housings is separated.And by arranging hook portion in the end in eccentric drive portion, when being separated upper-lower casing under electriferous state, while bearing pin is against linkage piece upper surface, hook portion is against the lower surface of linkage piece, hook portion is now the equal of fulcrum, and the arm of force of action bars distance hook portion is very little, and linkage piece is not easy to be pulled out of shape, upper-lower casing is also difficult to be separated, and then improves the security performance of connector of the present invention.
4. only having the positioner of position-limited rack location that enclosure interior of the present invention is arranged could unlock to position-limited rack after plug insertion socket, now rotating knob could drive position-limited rack to rotate to an angle, and before plug does not insert socket, position-limited rack locking can not rotate by positioner, and then knob can not rotate, now switch is in open position, even if the spliced eye on socket leaks outside also electric shock accidents can not occur.
Accompanying drawing explanation
In order to make the content of invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural blast figure of power connector of the present invention;
Fig. 2 is the structural representation of the position-limited rack of power connector of the present invention;
Fig. 3 is the structural representation of the knob of power connector of the present invention;
Fig. 4 is the cooperation schematic diagram of unit switch of the present invention position-limited rack, linkage piece, knob when being in open position;
Fig. 5 is the cooperation schematic diagram of unit switch of the present invention position-limited rack, linkage piece, knob when being in on-position;
Fig. 6 is in plug insertion socket of the present invention, and position-limited rack is not by the structural representation of plug latch timing;
Fig. 7 is in plug insertion socket of the present invention, and position-limited rack rotates to the structural representation by plug latch timing;
Fig. 8 is that lock dog of the present invention is by structural representation during described position-limited rack locking;
Fig. 9 is plug insertion socket of the present invention, the projection on plug conflict lock dog time structural representation;
Figure 10 is plug insertion socket of the present invention, and projection conflict lock dog also removes structural representation when locking position-limited rack;
Figure 11 is the overall structure schematic diagram after the plug of power connector of the present invention coordinates with socket grafting.
In figure, Reference numeral is expressed as:
1-housing; 11-interface; 12-upper shell; 13-lower house; 14-knob installing port; 2-unit switch; 21-knob; 210-eccentric drive portion; 211-hook portion; 22-action bars; 23-bearing pin; 24-groove; 3-socket; 31-socket; 4-plug; 41-projection; 42-protuberance; 5-position-limited rack; 50-draw-in groove; 51-catch; Catch before and after 511-; 512-rotates catch; 52-is protruding; 6-linkage piece; 61-through hole; 610-transverse holes; 611-upright opening; 62-breach; 63-screw; 7-lock dog; 71-fixture block; 72-rotating shaft; 73-torsion spring; 8-socket cover; 81-card division; 9-support.
Embodiment
Embodiment one
See Fig. 1, a kind of power connector with locking device, comprise housing 1, described housing 1 comprises upper shell 12 and lower house 13, described housing 1 inside is provided with the unit switch 2 of connection or point deenergizing, described unit switch 2 is fixedly installed on inside lower house 13, and the input terminal of described unit switch 2 is connected with power supply, and the knob 21 being arranged on knob installing port 14 place above described upper shell 12 controls the break-make of described unit switch 2 by action bars 22; The plug 4 that power connector of the present invention also comprises socket 3 and coordinates with described socket 3, it is inner that described socket 3 stretches into described housing 1 by the interface 11 be arranged on described housing 1; The binding post of described socket 3 is electrically connected with the lead-out terminal of described unit switch 2; The Plug Division of described plug 4 is provided with projection 41; Inside described housing 1, and be provided with between described socket 3 with described unit switch 2 and coordinate with described projection 41 and described plug 4 and described socket 3 to be carried out the locking device that locks or unlock, described locking device and described knob 21 link, be suitable for when described knob 21 rotates to switch connection position, described plug 4 locks with described socket 3 by described locking device, when described knob 21 turns to switch open position, the locking to described plug 4, described socket 3 removed by described locking device.Like this, time the knob 21 of combinations thereof switch 2 is threaded to on-position, power to socket 3 and plug 4, now described plug 4 locks with described socket 3 by locking device, and described plug 4 can not be extracted, and eliminates potential safety hazard; And before unit switch is not connected, then socket is in off-position all the time, even if the binding post in its socket 31 leaks outside, also can not there is electric shock accidents, thus improve processing safety.
The structure of above-mentioned locking device is not unique, as preferably, in the present embodiment, described locking device comprises the position-limited rack 5 arranging described plug 4 maximum insertion position place, described position-limited rack 5 is provided with and coordinates with described projection 41 catch 51 locked, and described position-limited rack 5 is linked by linkage piece 6 and described knob 21; The middle part of described linkage piece 6 is hinged on by screw 63 on the inwall of described housing 1, the lower end of described knob 21 is provided with eccentric drive portion 210, described knob 21 drives described linkage piece 6 to swing by described eccentric drive portion 210, and then drives described catch 51 to block or away from described projection 41.Above-mentioned locking device is coordinated with linkage piece 6 linked by position-limited rack 5 one end, one end coordinates with described projection 41 and achieves when unit switch 2 is switched on or switched off, and lock to described plug 4 with described socket 3 or unlock, its structure is simple, easy to operate, reliability is better.
Particularly, see Fig. 2, described position-limited rack 5 is annular, and described position-limited rack 5 is fixed by the support 9 between described socket 3 and described unit switch 2, and described position-limited rack 5 can rotate relative to described support 9.The end of described plug 4 can be inserted in described position-limited rack 5; Described catch 51 is arranged on the inner ring surface of described position-limited rack 5, it comprises the front and back catch 511 arranged close to described plug 4 side, and the rotation catch 512 arranged vertically, described front and back catch 511 and described rotation catch 512 are structure as a whole, and basic vertical setting mutually; Described rotation catch 512 is the equal of the reinforcement of described front and back catch 511, and it can strengthen the bulk strength of described front and back catch 511, guarantees locking effect.See Fig. 6-7, described plug 4 inserts after in described socket 3, described linkage piece 6 can drive described position-limited rack 5 to rotate to an angle when swinging, now, described front and back catch 511 rotates the side away from its inserted terminal end to described projection 41, stop that described plug 4 is outwards extracted, realize described plug 4 and lock.
See Fig. 4-7, the end coordinated with described position-limited rack 5 of linkage piece 6 described in the present embodiment is provided with the breach 62 of " U " shape, the outer ring surface of described position-limited rack 5 is provided with the projection 52 coordinated with described breach 62; One end coordinated with described knob 2 of described linkage piece 6 is provided with the through hole 61 of " T " font substantially, described through hole 61 comprises with the transverse holes 610 of the arc that is the center of circle of screw 63 in the middle part of described linkage piece 6, and the upright opening 611 that the screw 63 in the middle part of described linkage piece 6 extends; Certainly, described upright opening 611 also can extend to the side away from screw 63.Described screw 63, described action bars 22 are connected with described knob 21 through the transverse holes 610 of described through hole 61 end, and described eccentric drive portion 210 inserts in the upright opening 611 in the middle part of described through hole 61; The track that the radian described linkage piece 6 relative to described action bars 22 of described transverse holes 610 swings is consistent.
See Fig. 1, Fig. 4, Fig. 5, one end coordinated with described knob 21 of described action bars 22 in the present embodiment is horizontal inserts a bearing pin 23, the body of described action bars 22 is all extended at the two ends of described bearing pin 23 and development length is equal, can certainly be that described action bars 22 body is extended in wherein one end of described bearing pin 23; See Fig. 3, the center below described knob 21 is provided with the groove 24 coordinated with described action bars 22, described bearing pin 23 grafting.The length of described bearing pin 23 is greater than the width of described transverse holes 610, and is less than the length of described transverse holes 610; See Fig. 4, when described unit switch 2 is in open position, the axis of described bearing pin 23 is consistent with the length direction of described transverse holes 610, now described action bars 22, described bearing pin 23 can be withdrawn downwards from described transverse holes 610; See Fig. 5, when described unit switch 2 is in on-position, the axis of described bearing pin 23 and the length direction of described transverse holes 610 have angle, and the two ends of described bearing pin 23 are projected on the body of described linkage piece 6, when described action bars 22 moves downward, described bearing pin 23 is against in described linkage piece 6 just, described action bars 22 can not be exited from transverse holes 610, and then upper shell 12 and lower house 13 cannot be separated.Also namely when unit switch is in on-position; even if the screw disassembling connecting upper and lower two housings falls by operating personnel; due to bearing pin 23 and the matching relationship of linkage piece 6; also cannot by upper and lower two housings separately; prevent operating personnel from encountering the exposed band point part of enclosure interior by mistake and electric shock accidents occurs, and then available protecting is personal and property safety.
In the present embodiment, the end in described eccentric drive portion 210 is provided with the hook portion 211 extended laterally, and described hook portion 211 is passed described upright opening 611 and extends to the below of described linkage piece 6; See Fig. 4, when the bearing of trend of described hook portion 211 is consistent with the length direction of described upright opening 611, described eccentric drive portion 210 upwards can exit from described upright opening 611; See Fig. 5, when the bearing of trend of described hook portion 211 departs from the length direction of described upright opening 611, described hook portion 211 is stuck in the lower surface of described linkage piece 6, and now described eccentric drive portion 210 upwards can not exit from described upright opening 611.When operating personnel are intended to upper-lower casing to be separated in an on state, because bearing pin 23 is against the upper surface of linkage piece 6, be therefore difficult to be separated completely; But the screw now in the middle part of linkage piece 6 is the equal of fulcrum, action bars is applied with a downward pulling force by bearing pin 23 pairs of linkage pieces 6, the arm of force now due to action bars 22 to screw is larger, linkage piece 6 is easy to be pulled out of shape and then make upper and lower two housings separately, so not only damage linkage piece 6, be easy to electric shock accidents occurs simultaneously after upper and lower two housings is separated.And by arranging hook portion 211 in the end in eccentric drive portion 210, when being separated upper-lower casing under electriferous state, while bearing pin 23 is against linkage piece 6 upper surface, hook portion 211 is against the lower surface of linkage piece 6, hook portion 211 position is now the equal of fulcrum, and action bars 22 is very little apart from the arm of force of hook portion 211, and linkage piece 6 is not easy to be pulled out of shape, upper-lower casing is also difficult to be separated, and then improves the security performance of connector of the present invention.
Embodiment two
In order to prevent plug 4 do not insert described socket 3 before cause unit switch 2 to be connected because of misoperation, and then cause the live part of socket 3 exposed and electric shock accidents occurs, on the basis of above-described embodiment one, described housing 1 inside is provided with the positioner for locating described position-limited rack 5, described position-limited rack 5 is by after location, described unit switch 2 can only be positioned at open position, and can not turn to on-position.
See Fig. 8, the described positioner in the present embodiment comprises lock dog 7, and one end of described lock dog 7 is provided with rotating shaft 72, and described rotating shaft 72 is provided with torsion spring 73, and described lock dog 7 is hinged on described support 9 by described rotating shaft 72; The other end of described lock dog 7 is provided with fixture block 71, described position-limited rack 5 is provided with the draw-in groove 50 coordinated with described fixture block 71, described support 9 is provided with and drives described lock dog to a sideway swivel of described position-limited rack 5 for the described fixture block 71 described torsion spring 73 snapped fit onto in described draw-in groove 50, and to be coordinated with described draw-in groove 50 by described fixture block 71 described position-limited rack 5 is located; See Fig. 9-10, after described plug 4 inserts described socket 3 inside, conflicting described lock dog 7 in described plug 4 end, and drives described lock dog 7 to rotate around described rotating shaft 72 described fixture block 71 to be separated, to remove the locking position of described lock dog 7 to described position-limited rack 5 with described draw-in groove 50.
Operation principle of the present invention is:
When in the socket 31 that plug 4 does not insert socket 3, fixture block 71 on described lock dog 7 turns in the draw-in groove 50 that snaps on position-limited rack 5 under the effect of torsion spring 73, and now position-limited rack 5 is located, and can not rotate, and then causing linkage piece 6 not swing, described unit switch 2 remains on open position.
When in the socket 31 that plug 4 inserts socket 3, first conflicted by the end of its Plug Division and back down described fixture block 71, removing the location of described lock dog 7 to described position-limited rack 5; Then turning knob 21, described unit switch 2 is turned to on-position from open position, meanwhile, described eccentric drive portion 210 drives described linkage piece 6 to swing, front and back catch 511 on described position-limited rack 5 is threaded to and coordinates with the protuberance 42 on plug 4, to stop that plug 4 is extracted backward, realize, by plug 4 and socket 3 locking latch, connecting whole circuit.
Embodiment three
Because the operational environment of commercial power source connector is poor, dust, muddy water etc. are more, in order to prevent the blocked or corrosion of the socket 31 of described socket 3, above-described embodiment one or implement two basis on, socket 31 place being positioned at described socket 3 outside described housing 1 is hinged with socket cover 8, see Figure 11, the jointed shaft of described socket cover 8 is arranged on the top of described socket 31.
In the present embodiment, described socket cover 8 be provided with card division 81 away from capping in the side of its jointed shaft, the correspondence position of described plug 4 is provided with stopper protrusion 42, after described plug 4 inserts described socket 3, described card division 81 and described stopper protrusion 42 coordinate and realize described socket cover 8 and be connected with described the spacing of plug 4.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention; the present invention has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; every improvement on basis of the present invention according to above-mentioned principle and spirit, substitute, all should within protection scope of the present invention.
Claims (9)
1. there is a power connector for locking device, it is characterized in that: comprise
Housing (1), described housing (1) inside is provided with the unit switch (2) of connection or point deenergizing, the input terminal of described unit switch (2) is connected with power supply, and the knob (21) being arranged on described housing (1) top controls the break-make of described unit switch (2) by action bars (22);
Socket (3) and the plug (4) coordinated with described socket (3), it is inner that described socket (3) stretches into described housing (1) by the interface (11) be arranged on described housing (1); The binding post of described socket (3) is electrically connected with the lead-out terminal of described unit switch (2);
The Plug Division of described plug (4) is provided with projection (41), described housing (1) inner side, and be provided with between described socket (3) with described unit switch (2) and coordinate with described projection (41) and described plug (4) and described socket (3) to be carried out the locking device that locks or unlock, described locking device and described knob (21) link, be suitable for when described knob (21) rotates to switch connection position, described plug (4) and described socket (3) lock by described locking device, when described knob (21) turns to switch open position, described locking device is removed described plug (4), the locking of described socket (3),
Described locking device comprises the position-limited rack (5) arranging described plug (4) maximum insertion position place, described position-limited rack (5) is provided with the catch (51) coordinating with described projection (41) and lock, and described position-limited rack (5) is linked by linkage piece (6) and described knob (21); The middle part of described linkage piece (6) is hinged on the inwall of described housing (1) by screw (63), the lower end of described knob (21) is provided with eccentric drive portion (210), described knob (21) drives described linkage piece (6) to swing by described eccentric drive portion (210), and then drives described catch (51) to block or away from described projection (41).
2. a kind of power connector with locking device according to claim 1, it is characterized in that: described position-limited rack (5) is annular, and fixed by support (9), described position-limited rack (5) can rotate relative to described support (9); The end of described plug (4) can be inserted in described position-limited rack (5); Described catch (51) is arranged on the inner ring surface of described position-limited rack (5), it comprises the front and back catch (511) arranged close to described plug (4) side, and the rotation catch (512) for strengthening described front and back catch (511) intensity arranged vertically; Described plug (4) inserts after in described socket (3), described linkage piece (6) can drive described position-limited rack (5) to rotate to an angle when swinging, now, described front and back catch (511) are suitable for coordinating with described projection (41), stop that described plug (4) is outwards extracted, realize described plug (4) locking.
3. according to a kind of power connector with locking device that claim 2 is stated, it is characterized in that: the end coordinated with described position-limited rack (5) of described linkage piece (6) is provided with the breach (62) of " U " shape, the outer ring surface of described position-limited rack (5) is provided with the projection (52) coordinated with described breach (62), one end coordinated with described knob (2) of described linkage piece (6) is provided with the through hole (61) of " T " font substantially, it is the transverse holes (610) of the arc in the center of circle that described through hole (61) comprises with described linkage piece (6) middle part pin joint, and the upright opening (611) that the pin joint in the middle part of described linkage piece (6) extends, described action bars (22) is connected with described knob (21) through the transverse holes (610) of described through hole (61) end, described eccentric drive portion (210) is inserted in the upright opening (611) at described through hole (61) middle part, the track that the radian described linkage piece (6) relative to described action bars (22) of described transverse holes (610) swings is consistent.
4. according to a kind of power connector with locking device that claim 3 is stated, it is characterized in that: one end that described action bars (22) coordinates with described knob (21) is horizontal inserts a bearing pin (23), the body of described action bars (22) is extended at least one end of described bearing pin (23), the length of described bearing pin (23) is greater than the width of described transverse holes (610), and is less than the length of described transverse holes (610); When described unit switch (2) is in open position, the axis of described bearing pin (23) is consistent with the length direction of described transverse holes (610); When described unit switch (2) is in on-position, the axis of described bearing pin (23) and the length direction of described transverse holes (610) have angle, and one end away from described action bars (22) of described bearing pin (23) is projected on the body of described linkage piece (6); The center of described knob (21) below is provided with the groove (24) coordinated with described action bars (22), described bearing pin (23) grafting.
5. a kind of power connector with locking device according to claim 4, it is characterized in that: the end of described eccentric drive portion (210) is provided with the hook portion (211) extended laterally, described hook portion (211) is through described upright opening (611) and extend to the below of described linkage piece (6); When the bearing of trend of described hook portion (211) is consistent with the length direction of described upright opening (611), described eccentric drive portion (210) can be exited from described upright opening (611); When the bearing of trend of described hook portion (211) departs from the length direction of described upright opening (611), described hook portion (211) is stuck in the lower surface of described linkage piece (6).
6. a kind of power connector with locking device according to claim 5, is characterized in that: described housing (1) inside is provided with the positioner for locating described position-limited rack (5).
7. a kind of power connector with locking device according to claim 6, it is characterized in that: described positioner comprises lock dog (7), one end of described lock dog (7) is provided with rotating shaft (72), described rotating shaft (72) is provided with torsion spring (73), described lock dog (7) is hinged on described housing (1) inner side by described rotating shaft (72); The other end of described lock dog (7) is provided with fixture block (71), described position-limited rack (5) is provided with the draw-in groove (50) coordinated with described fixture block (71), described torsion spring (73) drives described lock dog to a sideway swivel of described position-limited rack (5), and is coordinated with described draw-in groove (50) located by described position-limited rack (5) by described fixture block (71); After described plug (4) inserts described socket (3) inside, conflict described lock dog (7) in described plug (4) end, and drive described lock dog (7) described fixture block (71) to be separated, to remove the locking position of described lock dog to described position-limited rack (5) with described draw-in groove (50) around described rotating shaft (72) rotation.
8. a kind of power connector with locking device according to claim 7, it is characterized in that: socket (31) place that described housing (1) outside is positioned at described socket (3) is hinged with socket cover (8), and the jointed shaft of described socket cover (8) is arranged on the top of described socket (31).
9. a kind of power connector with locking device according to claim 8, it is characterized in that: described socket cover (8) away from capping in the side of its jointed shaft being provided with card division (81), the correspondence position of described plug (4) is provided with stopper protrusion (42), after described plug (4) inserts described socket (3), described card division (81) and described stopper protrusion (42) coordinate spacing connection thing realize described socket cover (8) and described plug (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668476.8A CN103825144B (en) | 2013-12-11 | 2013-12-11 | A kind of power connector with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668476.8A CN103825144B (en) | 2013-12-11 | 2013-12-11 | A kind of power connector with locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103825144A CN103825144A (en) | 2014-05-28 |
| CN103825144B true CN103825144B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310668476.8A Active CN103825144B (en) | 2013-12-11 | 2013-12-11 | A kind of power connector with locking device |
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| Country | Link |
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| CN (1) | CN103825144B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023067276A1 (en) * | 2021-10-19 | 2023-04-27 | Marechal Electric | Improved electrical connection outlet having extended safety and control functions |
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| CN104966926B (en) * | 2015-06-19 | 2017-10-10 | 新乡市光明电器有限公司 | The connection sheath of honey comb shape multi-head socket |
| CN109119847A (en) * | 2018-07-18 | 2019-01-01 | 广州凯燃环保工程技术有限公司 | A kind of perpendicular money air engine |
| CN109004443B (en) * | 2018-08-20 | 2024-01-23 | 台州宝路达电气科技有限公司 | Industrial connector for electric connection |
| CN109244758B (en) * | 2018-10-09 | 2023-11-21 | 江苏健龙电器有限公司 | Mounting base for mechanical interlocking lock and use method thereof |
| CN111613923B (en) * | 2020-06-03 | 2021-06-18 | 四川华丰科技股份有限公司 | Electric connector and electric connector socket |
| CN113381239B (en) * | 2021-06-08 | 2022-05-10 | 台州菲尼科斯电气科技有限公司 | High-safety switch socket |
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| Publication number | Publication date |
|---|---|
| CN103825144A (en) | 2014-05-28 |
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Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Block C, Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
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