CN203312518U

CN203312518U - An electric shock preventing socket

Info

Publication number: CN203312518U
Application number: CN201320277982XU
Authority: CN
Inventors: 李克飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-21
Filing date: 2013-05-21
Publication date: 2013-11-27
Anticipated expiration: 2023-05-21

Abstract

The utility model relates to an electric shock preventing socket. The electric shock preventing socket is formed through the improvement on bases of a conventional housing, cover plates, conductive sleeves, baffle plates, etc. Each cover plate is opened to be provided with a first guide groove. A push member which can slide along the guide groove is arranged in each guide groove. The head portion of each push member is provided with a through hole provided for a guide post of the lower surface of the baffle plate to insert into. The tail portion of each push member is provided with a first protruding column and a second protruding column which extend downwards. The lower portions of each first and each second protruding columns are respectively provided with a first movable arm and a second movable arm which are with first slopes. The lower portions of each first movable arm and each second movable arm are both provided with springs which enable the first movable arm and the second movable arm to move upwards. One ends of each first movable arm and each second movable arm are respectively fixed with a firing line connection piece and a null line connection piece which are arranged inside the housing. The other ends of each first movable arm and each second movable arm are respectively provided with a first contact and a second contact. TheThe first contact is corresponding to a third contact which is on a firing line sleeve of a tripolar sleeve /or a dipolar sleeve. The second contact is corresponding to a fourth contact which is on a null line sleeve of a tripolar sleeve /or a dipolar sleeve. The electric shock preventing socket is a better electric shock preventing socket which is also provided with usage safety.

Description

A kind of anti-electric shock socket

Technical field

The utility model relates to a kind of supply socket, specifically refers to a kind of supply socket of protection against electric shock.

Background technology

Supply socket is a kind of common electrical cnnector, can make each electric equipment be communicated in extraneous power supply by it.In this supply socket, generally be directly exposed in the jack of socket upper shell with the conduction sleeve of the pin phase inserting of plug at present, thereby leave certain potential safety hazard, finger is easier to touch the conduction sleeve by jack when child plays especially, and then can cause electric shock accidents.For this reason, people design various anti-electric shock sockets, generally can in socket, set up the shutter that covers jack, when plug inserts jack, promote shutter toward a side shifting, thereby expose the conduction sleeve, normally peg graft for plug; When plug was extracted, shutter returned to original position under the effect of spring restoring force, again the jack on upper shell was covered.More further design is also arranged; namely in socket except configuring above-mentioned shutter; also between the brace in conduction sleeve and socket, have additional one group of contact; only have and when shutter, promoted by plug and while being moved; just can make this contact sets closure; make to conduct electricity and be connected between sleeve and brace, and then can normally use.Otherwise, even if in single jack, insert as the foreign matters such as finger or little plug-in unit, cause shutter to reverse, can not make the above-mentioned closing of contact yet, the conduction sleeve that can not make to be exposed in jack is charged, thereby the socket of this structure, use fail safe higher.

As Chinese patent Granted publication number, be that CN2788391Y and Chinese patent Granted publication number have all disclosed the better anti-electric shock socket of above-mentioned safety in utilization in the patent documentation of CN1215235A.

The utility model content

Technical problem to be solved in the utility model is the present situation for prior art, a kind of novel structure is provided and has equally the better anti-electric shock socket of safety in utilization.

The utility model solves the problems of the technologies described above the technical scheme adopted: a kind of anti-electric shock socket, comprise the housing that the upper shell that connected by mutual dismounting and lower house form, in described housing, being fixed with three extremely descends jack and/or two extremely to descend the cover plate of jack, described upper shell is provided with corresponding with each time jack three and extremely goes up jack on jack and/or the two poles of the earth, on in space between lower house and cover plate, being equipped with each, three utmost point sleeves that lower jack is corresponding and/or two utmost point sleeves, one baffle plate is between cover plate and upper shell and can cover three and extremely descend under the live wire of jack and/or two in extremely descending jack jack under jack and zero line, the upper surface of described baffle plate is an inclined-plane, it is characterized in that: on described cover plate, have one at the gathering sill between jack under jack and zero line under described live wire, in this gathering sill, being placed with can be along the push piece of this gathering sill slip, described push piece head has a through hole for the insertion of the lead on the baffle plate lower surface, the afterbody of this push piece is provided with to first of downward-extension, the second projection, this first, the below of the second projection is respectively arranged with one domatic first, the second lever arm, first, the below of the second lever arm is provided with and makes first, the spring moved on the second lever arm, described first, one end of the second lever arm respectively with the live wire brace be arranged in housing, the zero line brace fixes, the other end is respectively equipped with the first contact, the second contact, this is first years old, the second contact respectively with three utmost point sleeves and/or two utmost point sleeves in the live wire sleeve on the 3rd contact, the 4th contact on the zero line sleeve is relative, and between described baffle plate and housing, be connected with the extension spring that baffle plate is moved to described push piece head side, under described extension spring in the raw, described first, the second projection is respectively with first, domatic inconsistent on the second lever arm, described the first contact, described the 3rd contact and the 4th contact are left respectively in the second contact.

As the further improvement of such scheme, described through hole is a scallop hole, is convenient to baffle plate and when stressed, the lead that cross section roughly is square is rotated one-sided in this scallop hole.Certainly, when lead adopted cylinder, through hole can be circular hole.

Be preferably described first, second lever arm one end and by live wire conductive, neutral wire conductive and live wire brace and zero line brace, fix respectively, to facilitate electrical connection, and make first, second lever arm have better rebound performance.

Further improvement in above-mentioned better scheme, the body of described live wire conductive, neutral wire conductive stamps out respectively a flexure strip, between this flexure strip and body separately, form the elastic socket of inserting for corresponding brace, can further improve the efficiency of assembling when guaranteeing electrical property.

Compared with prior art, because the lead of baffle plate of the present utility model is inserted in the through hole of push piece, therefore when baffle plate is promoted by two pins of plug, can drive push piece slides in gathering sill, make simultaneously first, second projection on push piece leave domatic on first, second lever arm, namely no longer first, second lever arm is pressed, at this moment, first, second lever arm moves under the effect of spring restoring force separately, make the first, the 3rd contact, the second, the 4th contact contact and realize normal power-up work; And while when a jack wherein, inserting the foreign matter such as finger or little plug-in unit, baffle plate is one-sided stressed, can only rotate around through hole, can not promote push piece slides, thereby at this moment, even there is a jack to expose the conduction sleeve of the corresponding utmost point, because now contact does not have closure, this conduction sleeve does not have electricity yet, therefore that the utility model has advantages of safety in utilization equally is good.

The accompanying drawing explanation

Fig. 1 is the schematic perspective view of the utility model embodiment;

Fig. 2 is for removing upper shell, indicator light, mains switch and the stereogram after a baffle plate wherein in Fig. 1;

Fig. 3 is the three-dimensional exploded view of Fig. 1;

Fig. 4 is the partial exploded view of Fig. 2;

Fig. 5 is baffle plate and the push piece back of the body parallax stereogram after installing in the utility model embodiment;

Fig. 6 be in Fig. 4 A-A to cutaway view (under extension spring in the raw);

Fig. 7 is the cutaway view after insertion plug (not shown) in the jack in Fig. 6.

Embodiment

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figures 1 to 7, this anti-electric shock socket is four also Three-hole sockets of column distribution, also can plug for the two poles of the earth plug, it comprises housing 1, is positioned at the cover plate 2 of housing, fixture 3, conduction sleeve, push piece 5 and baffle plate 6, its middle shell 1 is by mutually forming by screw association all-in-one-piece upper shell 11 and lower house 12, and upper shell 11 is provided with three and extremely goes up jack, be jack E1 on jack N1 and ground wire on jack L1, zero line on live wire, and indicator light 4 and mains switch 7 are installed.

Cover plate 2 is fixed in housing 1, on cover plate 2, have with upper shell on three extremely go up jack corresponding three extremely descend jack, namely jack E2 under jack N2 and ground wire under jack L2, zero line under live wire, also have a gathering sill 21 on cover plate 2; In this gathering sill 21, being placed with can be along the above-mentioned push piece 5 of this gathering sill slip, and these push piece 5 heads have a through hole 51, and in the present embodiment, this through hole 51 is designed to scallop hole, and the afterbody of this push piece also is provided with to the first projection 52 of downward-extension and the second projection 53.

The upper surface of described baffle plate 6 is an inclined-plane, this baffle plate 6 is between cover plate 2 and upper shell 11 and can cover three on cover plate and extremely descend under the live wire in jack (or two extremely descend jack) jack N2 under jack L2 and zero line, the lower surface of this baffle plate 6 is provided with the lead 61 in the through hole 21 that can insert above-mentioned push piece, refers to Fig. 5.And between baffle plate and housing, be connected with extension spring 8, make baffle plate 6 have all the time the trend moved to push piece 5 head side.

On four fixtures 3 being installed in the space between cover plate 2 and lower house 12 and being placed in each fixture with each, three utmost point sleeves that lower jack is corresponding, be live wire sleeve L, zero line sleeve N and ground wire sleeve E, the live wire brace L3 that is electrically connected to use also is installed simultaneously in housing, zero line brace N3 and ground wire brace E3, on live wire brace L3, be connected with live wire conductive L4, the other end of live wire conductive L4 is connected with an end of the first lever arm 9, the other end of the first lever arm 9 is provided with the first contact a, the 3rd contact b positioned opposite on this first contact a and live wire sleeve L, equally, on zero line brace N3, be connected with neutral wire conductive N4, the other end of this neutral wire conductive N4 is connected with an end of the second lever arm 10, and the other end of the second lever arm 10 is provided with the second contact c, the 4th contact d positioned opposite on this second contact c and zero line sleeve N.And described first, second lever arm lays respectively under above-mentioned the first projection 52, the second projection 53, on this first lever arm 9, the second lever arm 10, all has the domatic e matched with above-mentioned first, second projection, the below of this first, second lever arm is provided with spring 20, each spring 20 lower ends are seated on lower house 12, upper end offsets with corresponding lever arm respectively, the trend that first, second lever arm is moved on having all the time.

Under extension spring 8 in the raw, baffle plate 6 covers under three live wires that extremely descend in jack on cover plate 2 jack under jack and zero line, first, second projection respectively with first, second lever arm on domatic inconsistent, the 3rd contact and the 4th contact are left respectively in the first contact, the second contact, refer to Fig. 6.

For convenient, connect, in the present embodiment, the body of live wire conductive, neutral wire conductive stamps out respectively a flexure strip f, between this flexure strip f and body separately, forms the elastic socket of inserting for corresponding brace.

During use, when in upper shell, inserting plug, baffle plate is promoted by two pins of plug, can drive push piece and slide in gathering sill, makes simultaneously first, second projection on push piece leave domatic on first, second lever arm, namely no longer first, second lever arm is exerted pressure, at this moment, first, second lever arm moves under the effect of spring restoring force separately, make the first, the 3rd contact, the second, the 4th contact contacts and realizes normal power-up work, as shown in Figure 7.When pulling the plug out of the socket, in the restoring force effect of extension spring, baffle plate and push piece are resetted together, return to state as shown in Figure 6, namely baffle plate covers jack under jack and zero line under the live wire on cover plate again.When the foreign matters such as insertion finger or little plug-in unit in jack on jack or zero line on the live wire of upper shell, because baffle plate is one-sided stressed, can only rotate an angle around through hole, but can not promote push piece slides in gathering sill, thereby at this moment, even there is a jack to expose the conduction sleeve of the corresponding utmost point, because now contact does not have closure, this conduction sleeve does not just have charged yet, therefore that the utility model uses is safer.

Claims

1. anti-electric shock socket, comprise the housing that the upper shell that connected by mutual dismounting and lower house form, in described housing, being fixed with three extremely descends jack and/or two extremely to descend the cover plate of jack, described upper shell is provided with corresponding with each time jack three and extremely goes up jack on jack and/or the two poles of the earth, on in space between lower house and cover plate, being equipped with each, three utmost point sleeves that lower jack is corresponding and/or two utmost point sleeves, one baffle plate is between cover plate and upper shell and can cover three and extremely descend under the live wire of jack and/or two in extremely descending jack jack under jack and zero line, the upper surface of described baffle plate is an inclined-plane, it is characterized in that: on described cover plate, have one at the gathering sill between jack under jack and zero line under described live wire, in this gathering sill, being placed with can be along the push piece of this gathering sill slip, described push piece head has a through hole for the insertion of the lead on the baffle plate lower surface, the afterbody of this push piece is provided with to first of downward-extension, the second projection, this first, the below of the second projection is respectively arranged with one domatic first, the second lever arm, first, the below of the second lever arm is provided with and makes first, the spring moved on the second lever arm, described first, one end of the second lever arm respectively with the live wire brace be arranged in housing, the zero line brace fixes, the other end is respectively equipped with the first contact, the second contact, this is first years old, the second contact respectively with three utmost point sleeves and/or two utmost point sleeves in the live wire sleeve on the 3rd contact, the 4th contact on the zero line sleeve is relative, and between described baffle plate and housing, be connected with the extension spring that baffle plate is moved to described push piece head side, under described extension spring in the raw, described first, the second projection is respectively with first, domatic inconsistent on the second lever arm, described the first contact, described the 3rd contact and the 4th contact are left respectively in the second contact.

2. anti-electric shock socket according to claim 1, it is characterized in that: described through hole is a scallop hole.

3. anti-electric shock socket according to claim 1 and 2, it is characterized in that: described first, second lever arm one end fixes by live wire conductive, neutral wire conductive and live wire brace and zero line brace respectively.

4. anti-electric shock socket according to claim 3, it is characterized in that: the body of described live wire conductive, neutral wire conductive stamps out respectively a flexure strip, between this flexure strip and body separately, forms the elastic socket of inserting for corresponding brace.