CN201130755Y

CN201130755Y - Transferable plug

Info

Publication number: CN201130755Y
Application number: CNU200720183410XU
Authority: CN
Inventors: 萧奇谋
Original assignee: FRAN MAR INTERNATIONAL Inc
Current assignee: FRAN MAR INTERNATIONAL Inc
Priority date: 2007-10-15
Filing date: 2007-10-15
Publication date: 2008-10-08
Anticipated expiration: 2017-10-15

Abstract

The utility model relates to a reversible type plug, comprising: a body, the body comprises an upper cover and a lower cover, and the body is hollow for the arrangement of the circuit base plate, a combined part is concave-arranged on the upper cover of the body, and one end of the combined part is an open shape, and is provided with a slideway extending inward, an elastic board is arranged in the combined part, and the elastic board is provided with a conductor, the conductor is connected with the circuit base plate by wires; a plug, the plug is sliding-arranged in the combined part, a guide rail is arranged on the edge at the lower side of the plug, and a contact is arranged at the back of the plug; so that the conductor and the contact at the back of the plug are tightly contacted for breakover. Meanwhile when the plug is assembled, the drawbacks of fracture of the circuit base plate and shortening of the service life caused by the direct imposed pressing force on the circuit base plate in the body by the conductor can be eliminated, thus a reversible type plug is acquired.

Description

The reversible type plug

Technical field

The utility model relates to a kind of reversible type plug, especially finger is a kind of is located on the elastic plate by electric conductor, make that electric conductor can be by the reverse elastic force of elastic plate, and closely contact conducting with the contact at the plug back side, in the time of also can getting rid of simultaneously the plug assembling, the compressing power that is produced directly is urged to intrinsic circuit substrate by electric conductor, and makes many defectives such as circuit substrate fracture, useful life shorten produce, and then reaches a kind of purpose of reversible type plug.

Background technology

See also shown in Figure 1, be generally existing " power supply structure of convertible plug ", it comprises: a body 1, be hollow in the described body 1, for the circuit substrate setting, and described body 1 surface is provided with fitting recess 11, described fitting recess 11 both sides are provided with guide groove 12, and described fitting recess 11 is equipped with open-work 13, and described open-work 13 stretches through and be provided with electroconductive elastic sheet 14, and described electroconductive elastic sheet 14 direct electrical equipment are connected on the circuit substrate; One plug 2, described plug 2 is a plate body 21, described plate body 21 is provided with guide rail 22, described again plate body 21 is provided with several metal pins 23, described metal pin 23 extends to plate body 21 back sides respectively and forms conductive junction point, described again metal pin 23 can be oppositely arranged its position according to various countries' socket shape, and described guide rail 22 is corresponding mutually with the guide groove 12 of body 1 its fitting recess 11 in addition, and makes plate body 21 to slide in fitting recess 11;

Only, above-mentioned " power supply structure of convertible plug " is though it can be by guide rail 22 and guide groove 12, be provided with in the fitting recess 11 and make plug 2 to slip into by body 1 side, be provided with several metal pins 23 by plate body 21 again, and described metal pin 23 extends to plate body 21 back sides respectively and forms conductive junction point, and the fitting recess 11 of described body 1 is equipped with open-work 13, and described open-work 13 stretches through and is provided with electroconductive elastic sheet 14, and described electroconductive elastic sheet 14 direct electrical equipment are connected on the circuit substrate, make when plug 2 slips in the fitting recess 11, the conductive junction point of described metal pin 23 is inconsistent with electroconductive elastic sheet 14, can be provided with according to various countries' socket shape because of described metal pin 23 again simultaneously, and then make that the user can be according to the used socket shape in various countries, also the plug 2 of commutation correspondence uses voluntarily, and reaches the purpose of power supply;

But, because of described electroconductive elastic sheet 14 is that circuit substrate electrical equipment direct and in the body 1 is connected, therefore, in plug 2 slips into fitting recess 11, and when making the conductive junction point of metal pin 23 of plug 2 and electroconductive elastic sheet 14 inconsistent, described plug 2 is to oppress electroconductive elastic sheet 14 for a long time, also be urged to simultaneously the circuit substrate that is connected with electroconductive elastic sheet 14 direct electrical equipment, so after easily causing circuit substrate to be subjected to long-term compressing, and produce the circuit substrate fracture or cause many defectives such as electronic building brick damage on the circuit substrate, and then reduction of service life;

Moreover, because of various countries as between 23 of: the metal pins of the U.S. and Britain, Europe Australia apart from disunity, so when the metal pin 23 of plug 2 is provided with according to various countries' socket shape, in order to make described metal pin 23 extend to the formed conductive junction point in plate body 21 back sides, can be corresponding with the electroconductive elastic sheet 14 in body 1 its fitting recess 11, connect with conducting, so described metal pin 23 roots need bend with distance between corresponding two electroconductive elastic sheets 14, therefore, the fabrication steps of described plug 2 is increased and comparatively complicated, and the while is also improved the processing procedure cost;

For another example, tw Taiwan patent announcement application case number No. 088200686 " the multi-functional changeover plug of power supply unit ", described power supply unit is to assemble electric component by the housing that loam cake and lower cover constitute, the plug of different size optionally is assembled on the power supply unit, it is characterized in that: be provided with a chute in the lower cover bottom surface, and be provided with an elastic fastening plate at the chute root edge, in chute, be provided with the elasticity guide card in addition, the plug bottom surface is provided with the slide plate that matches with the lower cover chute, described again slide plate edge is provided with the limit of buckleing of matching with the lower cover elastic fastening plate, be provided with the chase that slips into for lower cover elasticity guide card in the plug bottom surface, in described chase, be provided with the contact that matches with plug base pin;

Only, above-mentioned " the multi-functional changeover plug of power supply unit " is though it can be provided with a chute by the lower cover bottom surface, and be provided with an elastic fastening plate at the chute root edge, in chute, be provided with the elasticity guide card in addition, the plug bottom surface is provided with the slide plate that matches with chute, and be provided with the chase that slips into for the elasticity guide card in the bottom surface, in chase, be provided with the contact that matches with plug base pin, be provided with the limit of buckleing of matching in addition with elastic fastening plate at the slide plate edge, so the plug of different size can be selected to be assembled in the chute of power supply unit by slide plate, and by the contact turn-on power in elasticity guide card and the chase, and can hold the button limit by the elastic fastening plate button and fix, to reach convenient effect of also changing utilization, but the elasticity guide card of establishing in its chute is still with general existing identical, the electric component of being assembled in the described housing, should also be welded on the circuit substrate, and described elasticity guide card also is connected with the direct electrical equipment of circuit substrate, so after still easily causing circuit substrate to be subjected to long-term compressing, and produce the circuit substrate fracture or cause many defectives such as electronic building brick damage on the circuit substrate;

Hereat, how defective such as above-mentioned is forgone, and after providing a kind of plug to be assembled in configured slot, described plug can directly not be urged to the purpose of the reversible type plug of circuit substrate, is the place of the technical difficulties of this case utility model designer institute desire solution.

Summary of the invention

Main purpose of the present utility model is promptly in that a kind of reversible type plug is provided, in order to overcome above-mentioned defective.

For achieving the above object, the technical solution adopted in the utility model is, provide a kind of reversible type plug its comprise:

One body, described body is made up of a loam cake and a lower cover, and be hollow in the described body for the circuit substrate setting, the loam cake of described body is concaved with the combination section again, described combination section one end is open shape and extends internally and is provided with chute, and be provided with elastic plate in the described combination section, described elastic plate is provided with electric conductor, and described electric conductor is connected with circuit substrate by lead;

One plug, described plug slidably are located in the combination section, and described plug lower edge is provided with guide rail, and the described plug back side is provided with contact;

The beneficial effects of the utility model are compared with the prior art, be located on the elastic plate by electric conductor, when plug and combination section assembling, described elastic plate can produce reverse elastic force, make electric conductor closely contact conducting with the contact at the plug back side, in the time of also can getting rid of simultaneously the plug assembling, the compressing power that is produced directly is urged to intrinsic circuit substrate by electric conductor, and make many defectives such as circuit substrate fracture, useful life shorten produce, and then reach a kind of purpose of reversible type plug.

Description of drawings

Fig. 1 is the power supply structure schematic diagram of general existing convertible plug;

Fig. 2 is a stereogram of the present utility model;

Fig. 3 is an exploded view of the present utility model;

Fig. 4 is a cutaway view of the present utility model;

Fig. 5 is the top view of loam cake in the utility model;

Fig. 6 is the dorsal view of plug in the utility model;

Fig. 7 is the dorsal view of loam cake in the utility model.

Description of reference numerals: 1-body; The 11-fitting recess; The 12-guide groove; The 13-open-work; The 14-electroconductive elastic sheet; The 2-plug; The 21-plate body; The 22-guide rail; 23-metal pin; The 3-body; The 31-loam cake; The 32-lower cover; The 33-combination section; The 34-elastic plate; The 341-joint-cutting; The 35-electric conductor; The 36-chute; The 37-buckling piece; The 371-protuberance; The 372-splenium; The 373-joint-cutting; The 4-plug; The 41-guide rail; The 42-contact; The 43-recess; The 44-groove; The 45-guidance part; The 5-reinforcement part.

Embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

See also Fig. 2-shown in Figure 5, the utility model provides a kind of reversible type plug, and it comprises:

One body 3, described body 3 is made up of a loam cake 31 and a lower cover 32, and be hollow in the described body 3, for in the described body 3 the circuit substrate (not shown) being set, described circuit substrate is provided with lead (figure does not show), loam cake 31 its outer surfaces of described again body 3 are concaved with combination section 33, described combination section 33 1 ends are open shape and extend internally and are provided with chute 36, and be provided with elastic plate 34 in the described combination section 33, described elastic plate 34 peripheries are provided with joint-cutting 341, and described elastic plate 34 is provided with electric conductor 35, and described electric conductor 35 is connected by lead with circuit substrate;

One plug 4, described plug 4 slidably is located in the combination section 33, and described plug 4 lower edge are provided with guide rail 41, and described plug 4 back sides are provided with contact 42, and described guide rail 41 is corresponding mutually with chute 36;

By the guide rail 41 of plug 4 and the chute 36 of combination section 33, making plug 4 to be slipped into by the open shape place of combination section 33 1 ends is located in the combination section 33, pass through contact 42 conflict electric conductors 35 conductings of plug 4 again, and reach the purpose that also to change assembled plug 4, and described plug 4 can be done corresponding design according to various countries' socket and also change use for the user, electric conductor 35 of the present utility model again is provided in a side of on the elastic plate 34 in addition, so when described plug 4 and combination section 33 assemblings, and during the contact 42 conflict electric conductors 35 of plug 4, described plug 4 is that conflict electric conductor 35 presses down, also make simultaneously described elastic plate 34 stressed pressing down, and elastic plate 34 peripheries are provided with joint-cutting 341, the oppressed compressing power of slowing down downwards so elastic plate 34 can be taken advantage of a situation, has certain elastic force because of elastic plate 34 simultaneously, also can produce reverse elastic force simultaneously, so behind plug 4 location, will impel electric conductor 35 closely to contact conducting with the contact 42 at plug 4 back sides;

Again, because of electric conductor 35 of the present utility model is to be arranged on earlier on the elastic plate 34, and can prevent that existing elasticity guide card directly directly is connected with circuit substrate, and after easily causing circuit substrate to be subjected to long-term compressing, and produce the circuit substrate fracture or cause the many defectives such as electronic building brick damage on the circuit substrate to produce, and then reduction of service life;

Please consult shown in Figure 5 once more, the utility model can further be provided with buckling piece 37 on the loam cake 31 of body 3, described buckling piece 37 is provided with protuberance 371 and splenium 372, and described again buckling piece 37 peripheries are to be provided with joint-cutting 373, and the protuberance 371 of described buckling piece 37 is an inclined plane; Please cooperate again consult shown in Figure 6, described plug 4 back side leading edges are provided with guidance part 45, described guidance part 45 is an inclined plane, and it is corresponding with the incline direction on the inclined plane of the protuberance 371 of buckling piece 37, described again plug 4 back sides are provided with recess 43 at the protuberance 371 relative position places of buckling piece 37, can be provided with for the protuberance 371 of buckling piece 37; Please cooperate again consult shown in Figure 4, so, in the time of in plug 4 slips into combination section 33, the guidance part 45 of described plug 4 is that the protuberance 371 of conflict buckling piece 37 presses down, and are mutual correspondences by two inclined planes, make resistance force diminishes when the user assembles, favourable user assembles fast, fasten mutually by the protuberance 371 of buckling piece 37 and the recess 43 of plug 4 simultaneously, impel plug 4 secure on the combination section 33 of main body 3, and when user's desire is also changed plug 4, only need press down the splenium 372 of buckling piece 37, can make the protuberance 371 of buckling piece 37 temporarily break away from recesses 43, also change and make the user plug 4 can be withdrawed from combination section 33;

See also shown in Figure 7, the utility model can also further be provided with reinforcement part 5 in the fragility place at elastic plate 34 or buckling piece 37 its back sides, make that the pressure that can bear got a promotion when elastic plate 34 used with buckling piece 37, and prevent that elastic plate 34 or buckling piece 37 are stressed excessive and damage;

Please consult shown in Figure 6 again, the utility model can also further be provided with several grooves 44 at plug 4 back sides again, and described groove 44 is to be positioned at contact 42 places, make user's finger can't directly touch contact 42, and produce dangerous, simultaneously by several grooves 44, make when plug 4 is provided with according to various countries' socket again, pin on the described plug extends to the contact 42 at the back side, can bend, for example: when the pin of the plug 4 of U.S./Australia's specification extends to the contact 42 at the back side, two grooves 44 and contacting in the middle of promptly being positioned at electric conductor 35, and the pin of the plug 4 of English/Europe specification is when extending to the contact 42 at the back side, promptly be positioned at the outside two grooves 44 and contact, and then solve and have now, as shown in Figure 1 with electric conductor 35, its metal pin 23 roots need bend with distance between corresponding two electroconductive elastic sheets 14, and the procedure for processing that is derived increases the many defectives that increase with cost.

For also being added, the utility model shows its progressive and practicality, hereby as follows with one comparative analysis of existing do:

Prior art:

1, plug is directly oppressed the circuit substrate in the housing.

2, cause the circuit substrate easy fracture.

3, cause the electronic building brick on the circuit substrate fragile.

4, cause shorten service life.

5, metal pin root need bend with distance between corresponding two electroconductive elastic sheets.

6, the plug fabrication steps is many and complicated.

7, cost height.

The utility model advantage:

1, electric conductor closely contacts conducting with the contact at the plug back side.

2, assembling or when also changing plug, the downforce that elastic plate available buffer plug is produced.

3, can prevent the circuit substrate fracture.

4, can prevent that the electronic building brick on the circuit substrate from damaging.

5, increase the service life.

6, establish the reinforcement part and prevent that elastic plate or buckling piece from damaging.

7, the guidance part of the protuberance of buckling piece and plug is the inclined plane all, reduces resistance, ease of assembly.

8, the contact place of plug is provided with groove, can prevent to point the danger of directly touching contact and producing.

9, solution pin root need bend the defective with distance between corresponding two electric conductors.

10, the plug fabrication steps reduces and simple.

11, reduce cost.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection range of the present utility model.

Claims

1, a kind of reversible type plug, it is characterized in that: it comprises:

One body, described body is made up of a loam cake and a lower cover, and be hollow in the described body, its outer surface of the loam cake of described body is concaved with the combination section again, described combination section one end is open shape and extends internally and is provided with chute, and be provided with elastic plate in the described combination section, described elastic plate periphery is provided with joint-cutting, and described elastic plate is provided with electric conductor;

One plug, described plug slides and is located in the combination section, and described plug lower edge is provided with guide rail, and the described plug back side is provided with contact.

2, reversible type plug according to claim 1 is characterized in that: be provided with circuit substrate in the described body, described circuit substrate is provided with lead, and described lead is connected with electric conductor.

3, reversible type plug according to claim 1 is characterized in that: be covered with buckling piece on the described body, and described buckling piece periphery is provided with joint-cutting, described again buckling piece is provided with protuberance and splenium.

4, reversible type plug according to claim 3, it is characterized in that: the back side of described buckling piece is provided with the reinforcement part.

5, reversible type plug according to claim 3 is characterized in that: described protuberance is an inclined plane.

6, reversible type plug according to claim 1 is characterized in that: described plug back side leading edge is provided with guidance part.

7, reversible type plug according to claim 6 is characterized in that: described guidance part is an inclined plane.

8, reversible type plug according to claim 1 is characterized in that: the described plug back side is provided with recess.

9, reversible type plug according to claim 1, it is characterized in that: the back side of the elastic plate of described body is provided with the reinforcement part.

10, reversible type plug according to claim 1 is characterized in that: the described plug back side is provided with several grooves, and described groove is to be positioned at the contact place.