A kind of electric adaptor of multi-country universal
Technical field
The present invention relates to a kind of communication switching head that is matched with the different electrical power socket standard that country variant uses, be meant a kind of electric adaptor that makes multi-tap that single group of plug protruded out alone pegging graft the concealed multi-country universal of conduction especially.
Background technology
Along with social economy constantly develops, affairs such as people tour overseas, commercial affairs are gone on business are more and more frequent, therefore need carry some corresponding communication apparatus or electrical equipment before going abroad with convenient trip, as electronic products such as notebook computer, mobile phone, MP3, those electronic products are consumer products, thus again the adapter that need prepare to be complementary to treat the usefulness of short of electricity; At present; because the communication interface of countries in the world adopts different standards; socket if any American, English, Australia's formula and area such as European; old friends to other countries often regular meeting run into entrained electronic product and cause the phenomenon that can not use to take place because of joint is not inconsistent; in order to solve the generation of this type of problem; early stage people will understand other country earlier before going abroad joint situation is bought especially again; if need go a plurality of whens country; also must be with a plurality of adapters; therefore can increase the weight of saluting; cause and carry very inconvenience, bring corresponding puzzlement to people.
At present, the demand that some multinational type adapters satisfy current people appears on the market, its great majority are that the adapter by a plurality of country variants combines, when people select for use one group plug to be inserted in the respective external socket, all the other respectively organize plug usually can protrude out the situation of exposing, and the danger of electric shock or short circuit phenomenon is very easily arranged; Therefore, for solving this type of problem, the patent application that a lot of people propose to be correlated with, as consult within the open corresponding multinational plug such as Taiwan patent announcement TW541768, Chinese patent publication number CN1539187A and hold.
As the disclosed a kind of multinational type multi-tap of Taiwan patent TW541768, its set of locations by the action of inboard corresponding power pin is provided with safeties and corresponding safety screen, make its control lever and locating piece be able to the push button interlock and be the state of left and right displacement, keep the location to force limiting each line power pin, only only can make that single group of power pin is unrestricted and protractile leads slotting effect, make multi-tap can have mandatory protection effect, the fail safe when using with enhancement by this; But, pursue light, thin, short, little design concept for present product, need inside to set up these type of safeties and corresponding safety screen, its space is limited, is unfavorable for assembling; Its complex structure particularly, the operation knob often regular meeting run into phenomenons such as stuck or malfunctioning, bring limitation to use.
Consult the disclosed a kind of attaching plug of Chinese patent CN1539187A again, it has a shell and the plug connector of at least two various criterionizations of supporting movably in shell, described plug connector has two conductive contact pins respectively, these contact pilotages can be moved out to the active position along the slippage stroke from shell, and be moved in the inoperative position in the shell, it focuses on also at least one brake body, it is movable with respect to shell and plug connector, and be fixed on by a plug connector on the position of inoperative position outside, be arranged on the slippage stroke of all the other plug connectors and prevent that thus another plug connector is from inoperative position shift-in active position at the above brake body of this position; This technical scheme is to utilize the brake body that is provided with between the slippage stroke to limit all the other plug connector displacements, because brake body is bascule, can be loosening during operation because of it, rock and take place stuck, malfunctioning phenomenon, also disclose in this patent in conjunction with structures such as utilizing fuse and realized this function, can be and use these structures to reach restriction merely in the easy to operate phenomenon that exists the plug displacement to have some setbacks, so the plug displacement is smooth and easy in the time of also need coming acting in conjunction could guarantee operation in conjunction with the structure of an operating knob, so structure is very complicated, must pin operating knob on the other hand during operation, the moving required plug of another hand-lifting just can make plug stretch out simultaneously, cumbersome so operate, also can produce malfunctioning phenomenon under the long-term user mode; The applicant Given this technical scheme does further research, the special the application that proposes.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, main purpose is to provide simple in structure, easy to operate and plug electric adaptor of concealed multi-country universal very smoothly when stretching out, its alternative is extracted different plugs, makes multi-tap only can make single group of plug protrude out the conduction of pegging graft alone.
For realizing above-mentioned purpose, the present invention takes following technical scheme:
A kind of electric adaptor of multi-country universal, comprise loam cake and the base that cooperates with loam cake, at least be provided with the twice chute on this base outer wall, the position of corresponding each chute all is embedded a corresponding standard plug in base, wherein, also comprise a rotary switc, it comprises a bar shaped slide block and a braking knob, this bar shaped slide block is provided with bar shaped slideway and ccontaining breach, and described locking key is plugged in the ccontaining breach; Described plug upper end is provided with the Baltimore groove that a projection and is close proximity to the projection below, this Baltimore groove can be accommodated the inserted terminal of braking knob, this inserted terminal can slide along chute set on the base outer wall, and the projection of described each plug is embedded in the bar shaped slideway of bar shaped slide block, and the bar shaped slide block can slide along each projection by the bar shaped slideway; Described bar shaped slide block is the arcuation body structure; The inserted terminal of described braking knob has an accommodation space, and a spring is installed in this accommodation space, and this locking key slides along chute and releases plug, ejects locking key by spring and engages the location with chute.Described each plug is provided with sheet metal that electrically contacts with bonding conductor and the contact pin of pegging graft with the respective electrical socket at least.Described loam cake is provided with the multi-tap hole, is embedded with the Metal Contact body with the bonding conductor conducting in this multi-tap hole, and the lower cover bottom is provided with the through hole that stretches out for each plug contact pin.
The present invention compared with prior art, its beneficial effect is as follows:
1. alternative is extracted different plugs, makes multi-tap only can make single group of plug protrude out the conduction of pegging graft alone.
2. by the project organization of rotary switc, very smooth and easy when each plug is stretched out.
Description of drawings
Fig. 1 is a surface structure schematic diagram of the present invention;
Fig. 2 is a decomposition texture schematic diagram of the present invention;
Fig. 3 is Fig. 1 plan structure schematic diagram;
Fig. 4 is that Fig. 1 looks up structural representation;
Fig. 5 is that Fig. 1 removes and sees structural representation outside the loam cake;
Fig. 6 is another visual angle surface structure schematic diagram of Fig. 5;
Fig. 7 is Fig. 5 Facad structure schematic diagram;
Fig. 8 is the A-A cross-sectional view of Fig. 7;
Fig. 9 is the surface structure schematic diagram after Fig. 5 removes base;
Figure 10 (A) is that European plan plug of the present invention amplifies the surface structure schematic diagram;
Figure 10 (B) is that the present invention Australia plug amplifies the surface structure schematic diagram;
Figure 10 (C) is that Britain of the present invention plug amplifies the surface structure schematic diagram;
Figure 10 (D) is that the U.S. of the present invention plug amplifies the surface structure schematic diagram;
Figure 11 is the present invention's first user mode structural representation;
Figure 12 is the present invention's second user mode structural representation;
Figure 13 is the present invention's the 3rd user mode structural representation;
Figure 14 is the present invention's the 4th user mode structural representation.
The drawing reference numeral explanation:
1, loam cake 11, socket aperture 12, Metal Contact sheet 2, base
21, outer wall 211,212,213,214, chute 22, bottom
221,222,223,224, through hole 3, rotary switc 31, bar shaped slide block
311, bar shaped slideway 312, ccontainingly lack 32, braking knob 321, inserted terminal
322, accommodation space 323, spring 4, European plug 41, projection
42, Baltimore groove 43, sheet metal 44, contact pin 5, Australian plug
51, projection 52, Baltimore groove 53, sheet metal 54, contact pin
6, Britain's plug 61, projection 62, Baltimore groove 63, sheet metal
64, contact pin 7, U.S.'s plug 71, projection 72, Baltimore groove
73, sheet metal 74, contact pin 8, bonding conductor
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Present embodiment is to set forth with four types of plugs, comprising the standardization plug of Europe, Australia, Britain and the U.S., but is not limited thereto.
As shown in Figure 1 and Figure 2, a kind of electric adaptor of multi-country universal comprises members such as loam cake 1, base 2, rotary switc 3, European plug 4, Australian plug 5, Britain's plug 6, U.S.'s plug 7, bonding conductor 8, wherein:
In conjunction with shown in Figure 3, the top of loam cake 1 is a sunk structure, and it is provided with the socket aperture 11 of a plurality of difformities, be embedded with Metal Contact sheet 12 in this multi-tap hole 11, for the design that external corresponding patchcord is done, this structure is a known techniques, does not elaborate so do not add to give.
In conjunction with Fig. 4 institute seat, base 2 outer walls 21 are provided with four road chutes 211,212,213,214, the layout of the contact pin shape of corresponding successively European plug 4, Australian plug 5, Britain's plug 6, U.S.'s plug 7 is provided with through hole 221,222,223,224 on base 2 bottoms 22, these through holes stretch out the relevant design of being done for the contact pin of each plug, its structure is a known techniques also, so do not elaborate.
Again in conjunction with Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, rotary switc 3 comprises a bar shaped slide block 31 and a braking knob 32, described bar shaped slide block 31 is the arcuation body structure, and this bar shaped slide block 31 is provided with bar shaped slideway 311 and ccontaining breach 312, and described locking key 32 is plugged in the ccontaining breach 312; The inserted terminal 321 of described braking knob 32 has an accommodation space 322, a spring 323 is installed, with more convenient brake activation knob 32 in this accommodation space 321.
In conjunction with shown in Figure 10 (A), Figure 10 (B), Figure 10 (C) and Figure 10 (D), it is respectively the surface structure schematic diagram of European plug 4, Australian plug 5, Britain's plug 6, U.S.'s plug 7 again; Described European plug 4 upper ends are provided with the Baltimore groove 42 that a projection 41 and is close proximity to projection 41 belows, this Baltimore groove 42 can be accommodated the inserted terminal 321 of braking knob 3, described projection 41 is embedded in the bar shaped slideway 311 of bar shaped slide block 31 of rotary switc 3, and these bar shaped slideway 311 relative projections 41 can be slided; Be provided with the sheet metal 43 that electrically contacts with bonding conductor 8 in the side, upper end, be provided with corresponding contact pin 44 in the bottom; Equally, end and European plug 4 upper-end structure are approximate on the Australian plug 5, also are provided with projection 51, Baltimore groove 52, sheet metal 53 and contact pin 54; Britain's plug 6, U.S.'s plug 7 are similar to above-mentioned plug construction, and all correspondence has projection 61,71, Baltimore groove 62,72, sheet metal 63,73 and contact pin 64,74; Wherein, the set projection 51,61,71 of above-mentioned various countries' plug all is embedded in the bar shaped slideway 311 of bar shaped slide block 31 of rotary switc 3, and these bar shaped slideway 311 relative each projections can be slided; Described sheet metal 53,63,73 all is to electrically contact the effect that electrically conducts that produces with bonding conductor 8 in use.
The present invention's operating principle is: bar shaped slide block in the rotary switc is rotated in the projection of each plug of the effect lower edge of bar shaped slideway, and the braking knob that is plugged in ccontaining breach on the bar shaped slide block also rotates thereupon, inserted terminal until the braking knob slips in the Baltimore groove of plug of required selection use, this moment, the projecting block of knob was positioned at ccontaining indentation, there, promptly be not subjected to the restriction of bar shaped slideway, remaining plug then also is embedded in the bar shaped slideway because of separately projection, interfere the location by the bar shaped slideway, guarantee that multi-tap only can make single group of plug protrude out the conduction of pegging graft alone; Therefore, only need handle knob when choosing corresponding plug pushes along the chute of base, when chute least significant end,, button engages the location with runner wall by being ejected, and selected plug contact pin stretches out from the corresponding through hole in base bottom, and contact with bonding conductor by the set sheet metal of plug, make device produce electric conducting state, thereby complete operation easily simply again, if again knob is pushed to after using, if when selecting other plugs again next time, repeat above-mentioned action and get final product.
See also shown in Figure 11, user mode schematic diagram for European plug 4, it utilizes braking knob 32 to push along the chute 211 on base 2 outer walls, locking key 32 is ejected engage the location with the wall body of chute 211, promptly finish the process that ejects plug according to above-mentioned method, otherwise, locking key 32 pressed make its medi-spring 323 shrink the back to push to topmost along chute 211, the effect by spring 323 makes locking key 32 location again; Again as shown in figure 12, user mode schematic diagram for Australian plug 5, it can regain European plug 4 on the basis of Figure 11, the position that again rotary switc is moved to Australian plug 5 is used by pushing along the chute 212 on base 2 outer walls according to 32, promptly finishes the process that ejects plug according to above-mentioned method; Again as shown in figure 13, be the user mode structural representation of Britain's plug 6; Figure 14 is the user mode reference diagram of U.S.'s plug 7, and its operation all adopts above-mentioned method to finish, so do not set forth one by one at this.
The above, it only is the electric adaptor preferred embodiment of multi-country universal of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.