A kind of mechanical chain socket
Technical field
The present invention relates to a kind of electrical socket, be specifically related to a kind ofly can limit the user and plug and unplug down the mechanical chain socket that plug is operated in outage.
Background technology
Common socket does not have can limit the user can only plug and unplug the plug operation under outage mechanical chain function, and described mechanical chain function is meant and only under powering-off state, just can be operated through the mechanical system locking receptacles.Common socket like household socket, all is to adopt the mode power taking that directly plugs and unplugs power supply, outage.The mode of the power taking of this direct plug power supply, outage be prone to produce electric spark, and when with this socket applications during in high-current circuit, circuit is prone to load big electric current initiation fire, blast or short circuit accident because of moment.
Summary of the invention
The present invention provides a kind of can limit the user only just can plug and unplug plug under the situation of outage mechanical chain socket.
Technical problem to be solved by this invention realizes through following technical scheme: a kind ofly can limit the user and plug and unplug down the mechanical chain socket that plug is operated in outage; It comprises: housing, be used to control socket switch, the socket member that socket circuit is switched on or switched off; Said socket switch is a rotary switch; Comprise knob, rotary switch axle and switching mechanism, switching mechanism is adjacent with socket member in housing, it is characterized in that: between rotary switch and socket member, have additional a ganged locking mechanism; Be used for behind the rotary switch opening operation, being cancelled spacing by interlock; So that connecting plug needle can insert or extract socket member, and when after plug inserts socket member, rotary switch being rotated energized, plug latch is fixed on the socket member.
Ganged locking mechanism according to the invention can adopt following technical scheme: it comprises driving member, connecting rod and brake(-holder) block; Said driving member is the lever piece of a band angle; The fulcrum of this driving member is positioned at the corner of lever piece; And be installed in the housing below, and the flat below of stretching to rotary switch is the transmission arm of driving member to driving member from this one side of lighting, the end of this transmission arm is connected as a single entity with vertical connecting rod again; Simultaneously back-moving spring is set at this transmission arm place, vertical connecting rod under the effect of back-moving spring all the time be installed in the rotary switch axle on the brake(-holder) block bottom surface contact; Driving member is position limit arm from the space that an another side of lighting extend out between socket member and the housing sidewall; Be provided for limiting when plug inserts socket member the catch that plug is inserted or pulled out in its end; This catch is the bent sheet of stretching to the socket member direction on the position limit arm termination, and it and position limit arm constitute hook formation; Said brake(-holder) block bottom surface has the face of the high and low differing heights of secondary at least; Engage by the inclined-plane that seamlessly transits between two faces; Making the contact point of interlinking lever end and brake(-holder) block be braked sheet with the rotation that is switched on or switched off of rotary switch raises or forces down; So that the leverage through driving member makes catch swing to spacing place or the spacing place of right and wrong; Be that ganged locking mechanism is in lock-out state or unlock state, realize security control slotting to plug or that pull out through stoping the para position plate that perhaps allows on the plug to move.
During use, the operation rotary switch is when being disconnected to the rotation of connection, and the brake(-holder) block that is installed on the rotary switch axle rotates thereupon; The bottom surface of brake(-holder) block touches connecting rod, has promptly forced down connecting rod downwards, and affacts on the transmission arm of driving member through connecting rod; According to lever principle, the catch on the position limit arm of driving member around fulcrum to socket member near, promptly swing to spacing place; Para position plate on catch and the existing adapted plug forms netting structure; Thereby make ganged locking mechanism be in lock-out state, both can stop the insertion of plug, also can limit extracting of plug; And rotary switch is when being switched to the rotation of disconnection; Brake(-holder) block turns to high face and contacts with connecting rod; Because back-moving spring supports the resilience of transmission arm drivening rod and the brake(-holder) block of driving member and keeps in touch, thereby make the catch on the position limit arm of driving member move to non-spacing place from spacing around a spot wobble, remove with existing plug on the netting structure of para position plate formation; Be that ganged locking mechanism is in unlock state, so that can carry out inserting or pulling out normally operation to plug.
The present invention also can further be improved to: not only limit the user and only under the situation of outage, could insert or unplugg; And be to limit the user only after plug inserts, could the operation knob switch connection, promptly when plug does not insert socket member; Making rotary switch must be to be locked in off-state; Can prevent further that like this operator's accident from touching the electric conductor in the socket member, thereby avoid the generation of electric shock accidents, guarantee to be used for the fail safe of high-current circuit socket.
Following technical measures are to realize a kind of embodiment of this improvement purpose:
Brake(-holder) block according to the invention is provided with one and when rotary switch breaks off, is used for ccontaining said link end so that link end is locked in the positioning port in the brake(-holder) block; On the position limit arm of said driving member, set up a compressing tablet, the same socket member of stretching to catch of said compressing tablet front end constitutes hook-shaped with position limit arm; This compressing tablet is substantially parallel with catch, and spacing between the two just in time can be held the para position plate on the plug, and different with catch is; Said compressing tablet with respect to catch more near fulcrum; And when ganged locking mechanism is in unlock state, the front end of compressing tablet still be in para position plate on the plug that inserts socket under, can be touched by said para position plate.
During use, when operating the socket member of plug insertion socket, rotary switch must be the state that is in disconnection equally; Ganged locking mechanism just can be in unlock state, and promptly the catch on the driving member is in non-spacing place, can not stop the para position plate on the plug to pass through; So allow in the plug insertion socket, but when the plug insertion put in place, the para position plate on it can affact on the compressing tablet on the driving member; Press down compressing tablet, make position limit arm on the said driving member play the effect of lever moving arm, make the catch of position limit arm swing to spacing place; In the locking plug, through the leverage of driving member, drivening rod moves down; Link end is spun off from the positioning port of said brake(-holder) block, and rotary switch is in free state, rotatable connection; In the time of need pulling the plug out of the socket, the operation rotary switch is to breaking off the contraposition up and down of the positioning port on the said brake(-holder) block and the termination of connecting rod earlier; In the process that pulls the plug out of the socket, transmission arm on the driving member and position limit arm clockwise rotate under the effect of back-moving spring, thereby move on the drivening rod; Its termination is got in the positioning port, and rotary switch is locked in off-state, simultaneously; Catch on the position limit arm also moves to non-spacing place from spacing, and so far, plug just can be pulled out.
Connecting rod in the said ganged locking mechanism of the present invention can be straight-bar; Also can be for laterally extending the right angle shaft that registration arm constitutes in the straight-bar upper end; And the registration arm upper surface also is provided with projection; Also can be designed to the bar of other shapes, so that adapt to the interior rotary switch of the socket of different size model and the variation of relative position between the socket member or size according to the concrete structure of different model socket.
The execution mode that the present invention recommends is; Said housing is formed through the connector butt joint with following by loam cake; On cover the socket that is provided with column; Socket member is arranged in the socket and its sidewall has certain clearance with the socket inwall, on the inwall of socket, locate with respect to the catch top, be provided with one be parallel to the socket axis inner groovy; So that the para position plate contraposition of plug inserts, said catch when ganged locking mechanism is in lock-out state, when rotary switch is in on-state, be in said inner groovy under.
As recommending execution mode: the axis of described socket favours the rotary switch axis, makes the relative and same oblique setting of rotary switch axis of the socket member that is arranged in socket.In most cases, the present invention is mounted in and uses on the wall, and socket member oblique setting when wherein inserting plug, is tilted to down firmly the insertion of the plug of being more convenient for.
A following bottom surface of the transmission arm below of said driving member is provided with a pillar, and corresponding said pillar position is provided with a perforate on the transmission arm, and said back-moving spring is sleeved on the pillar and is installed between a said following bottom surface and the transmission arm.Back-moving spring is arranged on the transmission arm below, and is as far as possible away from charged socket member, not only safer but also easy for installation.
The hinged socket lid of the spigot of said loam cake, said socket lid are hinged on socket outer wall and spiral-lock on the outer, upper end of socket, and it is inboard to be used for when not having plug to insert socket member, stopping that external substance gets into socket, guarantees its fail safe.
Said brake(-holder) block upper surface radially is provided with ribs, strengthens the structure of brake(-holder) block, makes it be difficult for deforming, so that keep the high and low drop of brake(-holder) block bottom surface.
The plug that matees with the mechanical chain socket of the present invention; Be existing and the matching used plug of high-current circuit private jack; Said plug comprises connector assembly and several contact pins, and said contact pin is laid on the connector assembly, on the connector assembly around said contact pin be provided with one and socket member and on the suitable ring-type cover body in gap between the socket that covers; On the lateral wall of this ring-type cover body, be provided with an outstanding para position plate, the inner groovy on said para position plate and the socket side wall is suitable.
Relative prior art, the present invention has following beneficial effect:
1) the present invention is provided with ganged locking mechanism, is used for when rotary switch is connected, and with the para position plate formation netting structure on the plug that matees with socket, stops the charged of plug to insert or pull out; Have only when rotary switch is threaded to off-state; Netting structure is just untied; Could normally plug and unplug plug, the plug that has solved the warm swap high-current circuit be prone to produce electric spark or loads the problem of accidents such as big electric current initiation fire, blast or short circuit because of moment;
2) ganged locking mechanism of the present invention utilizes lever principle, and the bottom surface through the brake(-holder) block on the rotary switch axle is provided with high bottom surface cleverly; With the rotation that utilizes rotary switch to do to connect or disconnect and the variation of the high bottom surface of drive brake sheet; Rotate the locking of realization ganged locking mechanism or non-locking, simple in structure around fulcrum thereby drive lever; Adopt mechanical linkage fully, very reliable in the operation;
3) invention further perfect through to said ganged locking mechanism also; Promptly on the driving member of ganged locking mechanism, compressing tablet is set; The positioning port that cooperates with connecting rod is set on brake(-holder) block simultaneously, not only limits the user and only under the situation of outage, just can plug and unplug plug, but also further limit the user only after plug inserts; Ability operation knob switch connection socket circuit; Promptly when plug did not insert socket member, making rotary switch must be to be locked in off-state, touched the electric conductor in the socket member so that further prevent operator's accident; Thereby avoid the socket generation electric shock accidents on the high-current circuit fully, guarantee to be used for the safety in utilization of high-current circuit socket.
Description of drawings
Fig. 1 is the internal structure sketch map of the embodiment of the invention one, and at this moment, rotary switch is connected--the ganged locking mechanism locking, and plug can not insert;
Fig. 2 is the vertical view of the embodiment of the invention one, and this moment, rotary switch was connected;
Fig. 3 for the embodiment of the invention one along A-A among Fig. 2 cut open at place internal view, the socket lid 113 that do not draw among the figure, at this moment: rotary switch connection-plug insertion socket-ganged locking mechanism locks;
Fig. 4 is the enlarged drawing of the netting structure of the embodiment of the invention one, and at this moment, rotary switch is connected--the ganged locking mechanism locking, and plug can not insert;
Fig. 5 for the N of Fig. 3 to view (plug does not draw);
Fig. 6 is the internal structure sketch map of the embodiment of the invention two, and at this moment, rotary switch breaks off--ganged locking mechanism is non-locking;
Fig. 7 is the vertical view of the embodiment of the invention two, and this moment, rotary switch broke off;
Fig. 8 for the embodiment of the invention two along B-B among Fig. 7 cut open at place internal view, at this moment: rotary switch disconnection--ganged locking mechanism is non-locking;
Fig. 9 is the enlarged drawing of the embodiment of the invention two netting structures, and at this moment, rotary switch is connected--the ganged locking mechanism locking, and plug can not be extracted;
Figure 10 is connecting rod and the stereogram of driving member in the embodiment of the invention two.
Embodiment
The present invention is intended to make socket of the present invention to have the mechanical chain function through designing the private jack of high-current circuit again, when it during with supporting uses of plug special of coupling, can be guaranteed that the user only could insert or unplugg under the situation of cutting off the power supply; In addition; Also can be further mechanical chain socket of the present invention be improved to and not only limits the user and only under the situation of outage, could insert or unplugg; And guarantee when plug does not insert socket; Make the Circuit lock of socket fix on off-state, avoid the generation of electric shock accidents, further improve the fail safe of high-current circuit socket.
Below in conjunction with accompanying drawing; The present invention is further described: Fig. 1 ~ 5 are each view of the embodiment of the invention one; As shown in the figure; Present embodiment is a kind ofly can limit that the user only just can insert or the mechanical chain socket of unplugg operation under powering-off state, and it comprises: housing 1, be used to control rotary switch 2, the socket member 3 that socket circuit is switched on or switched off and be located at rotary switch 2 and socket member 3 between ganged locking mechanism 4.Said rotary switch 2 is made up of knob 23, rotary switch axle 22 and switching mechanism 21, switching mechanism 21 adjacent with socket member 3 left and right sides in housing 1 (referring to Fig. 1~3).Socket member 3 is installed on the socket support 31, and socket support 31 two bottom sides are fixing through being located on housing 1 bottom surface near the support column 123 of wall.
Ganged locking mechanism 4 is main by driving member 41, connecting rod 42 be installed on the rotary switch axle 22 and with the brake(-holder) block 43 of its rotation and form.Wherein, driving member 41 is the lever piece of a band angle, and the fulcrum 414 of this driving member 41 is located at the corner of lever piece, and is hinged with housing 1 through being arranged on the fulcrum fixed leg 124 on housing 1 bottom surface.Referring to Fig. 1,3, the part that is positioned at fulcrum 414 left sides on the driving member 41 is the transmission arm 411 of driving member 41, and said transmission arm 411 is the flat below of stretching to rotary switch 2 from socket support 31 belows.In the present embodiment; Because rotary switch 2 and socket member 3 be not on same horizontal linear; Transmission arm 411 comprises that successively the changeover portion formation is L shaped, as shown in Figure 1 longitudinally in a horizontal extension and, and the end of this transmission arm 411 is connected as a single entity with vertical connecting rod 42 again.Vertical connecting rod 42 is right angle shafts that laterally extend registration arm 421 in the upper end, and the end of said registration arm 421 is provided with a projection 422, is used for contacting with brake(-holder) block 43 lower surfaces.As shown in Figure 3; Said transmission arm 411 belows are provided with back-moving spring 122; What the back-moving spring 122 in the present embodiment adopted is stage clip; Back-moving spring 122 concrete mounting structures are: a pillar 121 is set on the housing bottom surface below the transmission arm 411, and corresponding said pillar 121 positions are provided with a perforate 413 on the transmission arm 411, and back-moving spring 122 is sleeved on the pillar 121 and is installed between housing 1 bottom surface and the transmission arm 411.Projection 422 on the registration arm 421 of connecting rod 42 under the effect of back-moving spring 122 all the time be installed in rotary switch axle 22 on the bottom surface of brake(-holder) block 43 contact.
Said back-moving spring 122 can be selected torque spring or shell fragment etc., and the above-mentioned mounting structure of accommodation can be realized, does not carefully state at this.
The part on said driving member 41 fulcrums 414 the right is a position limit arm 412; Like Fig. 1, shown in 3; This position limit arm 412 is located to the oblique space that extend out between socket member 3 and housing 1 sidewall, upper right side from fulcrum 414; Be provided in its end limiting the catch 415 that plug 5 is inserted or pulled out when plug 5 inserts socket member 3, this catch 415 is the bent sheet of stretching to socket member 3 directions on position limit arm 412 terminations, and it and position limit arm 412 constitute hook formations.
Said brake(-holder) block 43 bottom surfaces have the face of the high and low differing heights of secondary at least; As shown in Figure 3; Engage by the inclined-plane that seamlessly transits between two faces; The rotation that the projection 422 on the registration arm 421 of connecting rod 42 and the contact point of brake(-holder) block 43 lower surfaces are done for being switched on or switched off with rotary switch 2 is braked sheet 43 risings or forces down, and brake(-holder) block 43 upper surfaces radially are provided with ribs.
Operation rotary switch 2 changes to the rotation process of on-state from off-state; The projection 422 that the bottom surface of the brake(-holder) block 43 on the rotary switch axle 22 forwards to from high face on the registration arm 421 of bottom surface and connecting rod 42 contacts; Promptly force down connecting rod 42 downwards, and affact on the transmission arm 411 of driving member 41, according to lever principle through connecting rod 42; Catch 415 on the position limit arm 412 of driving member 41 can be to socket member 3 swings around fulcrum 414; And swinging to spacing place, the para position plate 51 that is provided with on the plug 5 of catch 415 and special use forms netting structures, thereby makes ganged locking mechanism 4 be in lock-out state.If this moment, plug special 5 was not inserted in the socket member 3 as yet, then can stop the insertion of plug 5, like Fig. 1, shown in 4; If this moment, plug special 5 was inserted in the socket member 3, then can limit extracting of plug 5, as shown in Figure 3.
And rotary switch 2 changes to the rotation process of off-state from on-state; The projection 422 that the bottom surface of brake(-holder) block 43 turns to from bottom surface on the registration arm 421 of high face and connecting rod 42 contacts; Because the effect of back-moving spring 122, the transmission arm 411 on the driving member 41 is swung around fulcrum 414 clockwise, thus drivening rod 42 upwards resiliences; The termination that keeps connecting rod 42 is that the projection 422 on the registration arm 421 on it contacts with brake(-holder) block 43 bottom surfaces all the time; 415 of catch on the said position limit arm 412 are also swung around fulcrum 414 clockwise, from spacing non-spacing place, the netting structure between the para position plate 51 on releasing and the plug 5 of swinging to; Be that ganged locking mechanism 4 is in unlock state, so that can carry out inserting or pulling out normally operation to plug 5.
Housing 1 in the present embodiment is formed through connector such as bolt butt joint with following 12 by loam cake 11; Loam cake 11 is provided with the oblique socket 111 of column; Socket member 3 is arranged in the socket 111 and its sidewall and socket 111 inwalls have certain clearance; On the inwall of socket 111, locate with respect to catch 415 tops; Be provided with one be parallel to socket 111 axis inner groovy 112 so that para position plate 51 contrapositions of plug 5 insert, catch 415 when ganged locking mechanism 4 is in lock-out state, when rotary switch 2 is in on-state, be in inner groovy 112 under.The axis of socket 111 favours rotary switch 2 axis, and making the socket member 3 that is arranged in socket 111 is oblique settings with respect to rotary switch 2 axis also, so that when inserting plug 5, the aspect of exerting oneself is ergonomic more, the insertion of the plug 5 of being more convenient for.
Shown in Fig. 6 ~ 10, be each view of the embodiment of the invention two, because embodiment one is identical substantially with embodiment two structures, existing does not exist together to it, describes in detail, same structure is omitted.The main improvement of embodiment two relative embodiment one is: with mechanical chain socket of the present invention be improved to not only limit the user the outage situation under could insert or unplugg; And guarantee when plug does not insert socket; Make the Circuit lock of socket fix on off-state, guarantee that socket only could open after plug inserts.
In present embodiment two; Brake(-holder) block 43 edges also be provided be used for when rotary switch 2 is in off-state with connecting rod 42 on registration arm 421 terminations on the positioning port 431 that matches of projection 422, as shown in Figure 6, rotary switch 2 changes open position over to, when ganged locking mechanism 4 is in unlock state; Said projection 422 is sitting at the below of said positioning port 431; Under the effect of back-moving spring 122, said projection 422 gets in the said positioning port 431, makes when plug 5 does not insert; Rotary switch 2 can't be rotated, thereby rotary switch 2 is locked in off-state.
In the present embodiment, like Fig. 6,8,9, shown in 10, on the position limit arm 412 of driving member 41 fulcrums 414 right-hand components, also set up a compressing tablet 416; These compressing tablet 416 front ends and the catch 415 the same socket member 3 of stretching to, hook-shaped with position limit arm 412 formations, compressing tablet 416 is substantially parallel with catch 415; Spacing between the two just in time can be held the para position plate 51 on the plug 5; What both were different is, compressing tablet 416 with respect to catch 415 more near fulcrum 414, and when ganged locking mechanism 4 is in unlock state; The front end of compressing tablet 415 still be in para position plate 51 on the plug 5 that inserts socket under, can be touched by said para position plate 51.
When beamhouse operation plug 5 inserted the socket member 3 of socket, rotary switch 2 must be to be locked in off-state, and was as shown in Figure 6; At this moment; Ganged locking mechanism 4 is in unlock state, and promptly the catch 415 on the driving member 41 is in non-spacing place, can not stop the para position plate 51 on the plug 5 to pass through; Cross catch 415 when plug 5 end faces and further insert when putting in place, the para position plate 51 on it can affact on the said compressing tablet 416, and presses down compressing tablet 416 (referring to Fig. 8); Make said position limit arm 412 around fulcrum 414 counter-clockwise swings; Said catch 415 swings to spacing place's locking plug 5 thereupon, meanwhile, and through the leverage of driving member 41; Drivening rod 42 moves down; Make the positioning port 431 of projection 422 from brake(-holder) block 43 of connecting rod 42 registration arm 421 terminations to spin off, remove being locked state of rotary switch 2 and make it be in free state, this moment can turn knob 23 to on-state; Need pull the plug out of the socket 5 o'clock, earlier operation rotary switch 2 is to open position, makes the projection contraposition about in the of 422 on registration arm 421 terminations on positioning port 431 and the connecting rod 42 on the said brake(-holder) block 43; In 5 the process of pulling the plug out of the socket, the transmission arm 411 on the driving member 41 clockwise rotates under the effect of back-moving spring 122 with position limit arm 412, thereby moves on the drivening rod 42; Said projection 422 is got in the positioning port 431; Rotary switch 2 is locked in off-state, and simultaneously, the catch 415 on the position limit arm 412 also moves to non-spacing place from spacing; So far, plug 5 just can be pulled out.
Fig. 8 shows the hinged socket lid 113 in socket 111 places of loam cake 11, and said socket lid 113 is used for when not having plug to insert socket member 3 spiral-lock in the outer, upper end of socket 111, and is inboard to stop that external substance such as rainwater get into socket, guarantees its fail safe.
Like Fig. 1 or shown in Figure 6, all be provided with into wire hole 13 on the left and right side of housing 1 of the present invention, socket circuit advances wire hole 13 link to each other with external circuit (electric connection line does not draw among the figure) through said.Subsequent use advancing for housing 1 left and right sides also is provided with subsequent use plug 14 on the wire hole 13, like Fig. 3,5, shown in 8.
The present invention can not with home circuit in be used to prevent that children from touching or the socket simple ratio of the unexpected touching of sharp objects, there is the obvious difference of aspects such as environment for use, goal of the invention in they.In addition, the above is merely preferred embodiment of the present invention, can not limit the scope that the present invention implements with this; Allly change and modify, all should still belong in the scope that patent of the present invention contains according to claim of the present invention and description of the invention simple equivalent that content is done.Also can be designed to the bar of straight-bar or other shapes like connecting rod 42, so that adapt to the interior rotary switch of the socket of different size model and the variation of relative position between the socket member or size according to the concrete structure of different model socket.