CN86202437U

CN86202437U - Safty plug receptacle and plug with four pins

Info

Publication number: CN86202437U
Application number: CN 86202437
Authority: CN
Inventors: 李文江
Original assignee: FUSHUN YOUNG PEOPLE'S INST OF INVENTION
Current assignee: FUSHUN YOUNG PEOPLE'S INST OF INVENTION
Priority date: 1986-04-22
Filing date: 1986-04-22
Publication date: 1986-12-03

Abstract

The utility model belongs to a connecting element for an electric line. The safety socket of the utility model is structurally provided with a guard sliding piece and a spring piece. When a plug is not inserted in the safety socket, the guard sliding piece can close a conductive pin hole on a socket cover, which solves the problem that a pin seat is exposed outside in the pin hole. The accidental electric shock can be avoided. The safety performance of the use is enhanced. A double flat key plug matched with the safety socket can push the guard sliding piece to a certain distance to open the conductive pin hole when the double flat key plug is used. A complete connecting element is formed. The safety socket of the utility model can be used by a two-phase power circuit.

Description

Safty plug receptacle and plug with four pins

The utility model belongs to a kind of electric wiring Connection Element.

At present at the be connected plug and socket of use of the two-phase power supply circuit of equipment such as civilian and household electrical appliance and instrument, be to touch and communication line mutually with pin base on the socket with two pins of plug.This socket, though it is comparatively convenient that plug uses, but the charged pin base in the socket, by the pin holes dew that communicates with the external world, like this when the child and children will point or hand in possess conductive body and insert when touching charged pin base in the pin hole, will get an electric shock, be perfect inadequately so this socket has the barrier propterty of the safety of guaranteeing in design.

The objective of the invention is the deficiency that exists at above-mentioned socket, provide a kind of on project organization, have better prevent to get an electric shock the socket of performance and the plug that is used.

To the effect that of the present utility model: 1. as on the runners housing of plug, to be provided with and to have two conductive base pins, also have two flat key pins except that general plug.These two flat keys do not link to each other with circuit, just are used to stir the protection slide plate.On socket cover except that two conductive base pin holes are arranged, also have two flat key pin holes.Four jacks are corresponding on four pins on the plug and the socket cover.3. on the housing between socket cover and the pin base, be provided with two protection slide plates and two shell fragments.On the protection slide plate two conductive base pin holes and flat key pin groove are arranged.When the flat key pin does not insert, two protection slide plates are pressed close to mutually under the shell fragment effect, to conductive base pin hole socket cover on be in closed state promptly because the conductive base pin hole on two protection of the size in design slide plate does not overlap with the dislocation of the conductive base pin hole on the socket cover this moment.When the flat key pin on the plug inserts, two flat key pins groove between two slide plates, forward bullet and insertion force are pushed into certain distance with two protective sheet, socket cover coincides with the conductive base pin hole of protection slide plate, this moment, conductive base pin and then inserted, and touched pin base and communication line.

The utility model is owing to structurally be provided with protection slide plate and shell fragment, make socket when plug does not insert, the protection slide plate can seal the conductive base pin hole on the socket cover, any like this object all can not be collided with pin base, the phenomenon so can not get an electric shock, thus usage safety performance improved

It is as follows that the utility model embodiment contrasts description of drawings:

Fig. 1 is two flat key plug schematic diagrames;

Fig. 2 is the safety socket schematic diagram;

Fig. 3 is Fig. 2 A-A profile;

Fig. 4 is Fig. 2 B-B profile.Plug casing 1. conductive base pins 2. flat key pins 3. conductive base pin holes 4. flat key pin holes, 5. protection slide plates, 6. shell fragments, 7. socket covers, 8. Socket casings 9, groove 10. joint bolts 11. pin bases 12. protection slide plate pin holes 13.

Claims

1. a safety socket of being made up of socket cover, housing, pin base is characterized in that having on the socket cover two conductive base pin holes (4), two flat key pin holes (5); Protection slide plate (6) and shell fragment (7) are housed between socket cover (8) and Socket casing (9).

2. according to the described safety socket of claim 1, it is characterized in that protecting conductive base pin hole (13) and groove (10) are arranged on the slide plate (6).

3. a plug of being made up of housing, runners, pin is characterized in that being equipped with two conductive base pins (2) and two flat key pins (3) on runners.