CN2253877Y

CN2253877Y - Electric plug with rotation function

Info

Publication number: CN2253877Y
Application number: CN 96207729
Authority: CN
Inventors: 周义雄
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-09
Filing date: 1996-04-09
Publication date: 1997-05-07
Anticipated expiration: 2006-04-09

Abstract

The utility model relates to an electric plug with a rotation function, which belongs to the technical field of basic electric elements. The utility model comprises a lower casing, a cable wire, a rotary cover and an upper casing, wherein, the center of the inner wall of the lower casing is provided vertically with a cover column with a slot for containing a metallic winding ring, the periphery of the low casing is provided with a ring column having a larger hole diameter, and a ring ditch is formed between the ring column and the cover column. The cable wire least is composed of two power cords. Both sides of the center of the rotary cover are provided respectively with a left hole and a right hole, and a left plug pole in an L shape is inserted in the left and the right hole. The bottom of the left plug pole is vertically provided with a pole arc which has the same diameter as a circular pad, and the bottom of a right plug pole is longitudinal extended with an extremity corresponding to the inner diameter of the winding ring. The left and the right plug poles can contact respectively with the winding ring and the circular pad to make a circuit conducte. The upper casing has the shape and the size which are corresponding to the lower casing, and a cover hole in which the rotarycover is sheathed is arranged on the upper casing. After the upper and the lower casings are connected in a butt joint mode, a rotary seat can rotate relative to the electric plug.

Description

Plug with spinfunction

The utility model is a kind of plug with spinfunction, belongs to the field of essential electronic element.

Plug is that the electric equipment products of the article of seeing in the daily life, especially external power supply or the extended line with socket etc. often need by the plug power taking more.

Common plug, its metal is inserted utmost point power line latter linked with it linearly, on being intercalated in socket during power taking, often the ornaments owing to furniture need to extend to two side direction, at this moment, bending is to comply with direction for power line at nearly plug place, and the normal like this power line that causes is out of shape because of permanent curling, even inner plain conductor fractures and causes opening circuit in addition.Except that the difficulty that causes the furniture ornaments, the worry on the safety is arranged still.

With the United States Patent (USP) 4,927,376 that Mr. Dickie was had is example, plug commonly used is improved, and made it thinning, to improve the defective of general plug at fail safe and inconvenience.But it is the single direction of fixing, can't be in response to the use of other direction, unless various directions are produced one by one, this jack at both positive and negative polarity differ and the situation of three utmost point jacks under especially true.

The application people is the shortcoming that overcomes above-mentioned plug,, creates " plug with spinfunction " through testing repeatedly and testing.

For concrete technology contents of the present utility model is described, see also accompanying drawing: Fig. 1 is the three-dimensional exploded view of the utility model embodiment 1, Fig. 2 is the profile of embodiment 1, and Fig. 3 is the three-dimensional exploded view of the utility model embodiment 2, and Fig. 4 is the stereogram after the utility model assembling.

Embodiment 1

See also Fig. 1 and Fig. 2, the utility model is to be assembled by lower house 1, one cable, 2, one swivelling covers 3 and a upper shell 4.

Wherein, lower house 1, it is a flat insulation lid, its inwall central vertical is extended a short slot 111 lid posts 11, encircle 12 chimeric fixing for metal enclosing, and the periphery of lid post 11 also there is the bigger annulated column in an aperture 13, makes to cover to form a circular groove 131 between post 11 and the annulated column 13, then hang down in it and establish some tenons 132, for a metal ring pad 14 location that bridges.Wherein annulated column 13 has a post corresponding to short slot 111 places and lacks 133, and power supply source line 21 is ccontaining, and with enclose ring 12 and link.And opposite side also has a post and lacks 134, and power supply source line 22 is ccontaining, and links with the ring pad 14 ring ends of establishing 141 that hang down.In addition, the more than one location lug 15 of the central longitudinal extension of the inwall of lower house 1, a lower casing groove 16 is then established in the bottom, and power supply cable 2 passes through, and parallel in addition hanging down established the clamp tenon 17 of two subtends in it, and dashes forward on the face and establish some angle ribs 171, for clamping cable 2.

Cable 2 is to form by two

power lines

21,22 or with a ground wire 23 common combinations at least.As mentioned above, power line 21 is to pass through post to lack 133 and after groove lacks 111, and encloses ring 12 and links; Power line 22 then passes through post scarce 134 and links with ring pad 14.

Swivelling cover 3 is the insulation lamellar body of a circle, a left hole 31 and a right hole 32 are respectively established in its central both sides, supply the left insertion pole 33 and the right insertion pole 34 chimeric location of a L type respectively, wherein the bottom longitudinal extension one of right insertion pole 34 with enclose ring 12 internal diameters corresponding extreme 341, the bottom of left insertion pole 33 is vertical extent one and the polar arc 331 of ring pad 14 with the arc footpath then, the left and right slotting utmost point must be contacted, to form the conduction of circuit respectively with ring pad 14 with enclosing ring 12.In addition, the stretch out lid edge 35 of an annular of the root edge of swivelling cover 3 for offseting with upper shell 4, separates to avoid both.

Upper shell 4 is size and the moulding insulation lid corresponding with lower house 1, its top has a lid hole 41, and for stretching out of swivelling cover 3, its apical margin then extends internally and one ends edge 411, for offseting with aforesaid lid edge 35.Location lug 15 places corresponding to lower house 1 in upper shell 4 then are provided with mortise 42, for its intercalation location, and corresponding to also establishing a upper casing groove 43 in lower casing groove 16 places, can surround a circle after the lower casing groove is docked, and pass through for cable 2.

In addition, based on security consideration, the utility model Shang Kejia puts a ground wire and inserts the utmost point 17, the ring of establishing an annular concentric in annulated column 13 peripheries of lower house 1 again encloses 18, and and annulated column 13 between form one and enclose ditch 181, also hang down in it and establish some tenons 182, confession one annular gasket 9 bridges and locatees, one side of this pad 19 is extended a slice end 191, is to be contained in ring to enclose 18 ring and lack in 183, and links with a ground wire 23.The below, left and right hole of swivelling cover 3 then has hole 36, for the location of stretching out that a T-shaped ground wire is inserted the utmost point 37, this ground wire insert the utmost point 37 bottoms have one with the arc end 371 in footpath such as pad 19 arcs such as grade, and contact with it is to form the conduction of circuit.

For ring pad 14 must be contacted with arc end 371 with polar arc 331 with pad 19 constantly, can be at each tenon (132,182) go up the elastomer 10 that intercalation length is higher than a tenon, make

ring pad

14 and 19 elasticity of pad, so can keep in touch with polar arc 331 and arc end 371 constantly with compressing and expanding.Again because polar arc 331 and arc end 371 and ring fill up 14 is not that large tracts of land contacts when contacting with pad 19, and for avoiding above-mentioned two ring segment perks, so each prominently establishes some extension tenons 38 to swivelling cover 3 corresponding to the circumference place of ring pad 14 and pad 19, makes it can push down above-mentioned ring segment respectively.

This product is in when assembling, will the left and right slotting

utmost point

33,34 and the slotting utmost point 37 of ground wire intercalation swivelling cover 3 default positions and stretching out outside the swivelling cover 3 respectively, and then with lid hole 41 fits of upper shell 4, make must be in the upper shell 4 rounded rotation of swivelling cover 3.At this moment, elastomer 10 intercalations on each tenon (132,182), will be linked enclosing of power line 21 then and encircle 12, the pad 19 of the ring pad 14 of binding power line 22 and binding ground wire 23 is set in regular turn and builds post 11, circular groove 131 and enclosing in the ditch 181, housing covers up and down subsequently, and location lug 15 is docked with mortise 42, and cable 2 is by lower house on it (43,16) pass between, will go up lower house at last, promptly form a plug with spinfunction with the high frequency involution.When swivelling cover 3 rotates to when arbitrarily angled, extreme 341 of right insertion pole 34 contact with enclosing ring 12, and the polar arc 331 of the polar arc of left insertion pole 33 fills up 14 with ring and contacts, and the arc end 371 of the slotting utmost point 37 of ground wire then contacts with pad 19, so can conduct electricity constantly.

Via the plug of the utility model thinning design, for ease of transfering to, open an annular distance 44 respectively, for linking, in order to transfering to plug with a draw ring 45 in two subtend appropriate locations of upper shell 4.Form after the utility model assembling as shown in Figure 4.

Embodiment 2

See also the schematic diagram of Fig. 3 embodiment 2.Wherein, each element is roughly constant, only will encircle the pad 14 metal ring plates of changing into the U type and be embedded in the circular groove 131, and pad 19 is also changed into the metal ring plate of U type, and is embedded at and encloses in the ditch 181.The arc end 371 that the polar arc 331 of left insertion pole 33 and ground wire are inserted the utmost point 37 then increases the degree of depth relatively, it can be formed with the metal ring plate of each U type contact, and also can obtain the shown effect of embodiment.

Implement the utility model except that making plug thinning processing, simultaneously because of the restriction on rotatable and directionless, people no longer are subject to big or small jack in the socket in use, and the problem that produces such as the direction of electrical appliance putting position, and this product has both fail safe, convenience and aesthetic property simultaneously.

Claims

1, a kind of plug with spinfunction is characterized in that this plug comprises:

One lower house, insulation lid for flat, its inwall central vertical is established a Gai Zhu with short slot, it is ccontaining to enclose ring for a metal, its bigger annulated column in outer periphery one aperture, and form a circular groove with the lid intercolumniation, hang down in it and establish some tenons, for the becket pad location that bridges, the bottom of lower house has a lower casing groove;

One cable is made up of two power lines at least, wherein power line pass through annulated column and short slot and with enclose ring and link, another power line then passes through annulated column and links with the ring pad;

One swivelling cover, it is the insulation lamellar body of a circle, a left hole and right hole are respectively established in its central both sides, confession one is the left insertion pole and the right insertion pole intercalation of L type respectively, wherein left insertion pole bottom hang down establish one with the isometrical polar arc of ring pad, the right insertion pole bottom then longitudinal extension one with to enclose the ring internal diameter corresponding extreme, make the left and right slotting utmost point can be respectively with enclose ring, ring fills up and contacts, to form the circuit conduction, the swivelling cover root edge is dashed forward and is established the Gai Yuan of an annular in addition;

One upper shell, be the size insulation lid corresponding with moulding and lower house, open a lid hole on it, supply and the swivelling cover fit, its apical margin is inwardly established the edge that ends of an annular, for supporting mutually with the lid edge, establish a upper casing groove corresponding to lower casing groove place, the power supply cable passes through, upper and lower shell butt joint is linked after, rotating seat is rotatable person with respect to plug.

2, plug as claimed in claim 1 is characterized in that the lower house inwall hangs down to establish some location lugs that upper shell then correspondence has mortise, makes it to dock chimeric location.

3, plug as claimed in claim 1 is characterized in that both sides get parallel hanging down in the lower casing groove of lower house to establish the clamp tenon of two subtends, and prominently on its face establishes some angle ribs, for the clamping cable.

4, plug as claimed in claim 1, it is characterized in that the peripheral ring of must establishing again of annulated column in the lower house encloses, and and annulated column between form one and enclose ditch, also establish some tenons in it, for the pad location that bridges, the ground wire of cable then passes through ring and encloses and link with pad, and hole, the left and right sides bottom center of swivelling cover is opened hole, inserts utmost point intercalation for a ground wire, its bottom vertical have one with the isometrical arc end of pad, and contact with each other, to form the circuit conduction.

5, as claim 1 or 4 described plugs, it is characterized in that each tenon respectively fit one length be higher than the elastomer of tenon, make the ring pad have the elasticity of compressing and expanding with pad.

6, as claim 1 or 4 described plugs, it is characterized in that each prominently establishes some extension tenons to swivelling cover corresponding to the circumference place of ring pad and pad, can push down above-mentioned lamellar body respectively, make it smooth.

7, plug as claimed in claim 1 is characterized in that two subtend appropriate locations of upper shell are established an annular distance respectively, and links for a draw ring, in order to dialling plug down.

8, as claim 1 or 4 described plugs, it is characterized in that ring pad and pad are able to U type metal ring plate and replace, and be located at circular groove respectively and enclose in the ditch, the arc end that the polar arc of left insertion pole and ground wire are inserted the utmost point then increases the degree of depth relatively, respectively for contacting, to form the circuit conduction with aforesaid U type metal ring plate.