CN207282836U - A kind of novel short circuit automatic power-off plug board - Google Patents

Abstract

The utility model discloses a kind of novel short circuit automatic power-off plug board; two conducting wires both pass through plastic shell and are connected with conductive sheet; wherein a conducting wire is broken as A section leads and B section leads into plastic shell interior location; short-circuit protection is provided with A section leads, breaking holding meanss are provided with B section leads；The novel short circuit automatic power-off plug board of the utility model, simple in structure, easy-to-connect, can be no-delay realize is breaking during plate short circuit, protects the safety of the electric appliance connected on plate and plate.

Description

A kind of novel short circuit automatic power-off plug board

Technical field

The utility model belongs to electrical equipment field, more particular to a kind of novel short circuit automatic power-off plug board.

Background technology

Electric socket board is one of most common electrical equipment of people, and electric socket board of the prior art is directly wired to a little Piece, its interior not short circuit protection measures so that many electric socket boards are that occur being burned phenomenon in use, greatly reduce electric mortiser The service life of plate.

Utility model content

The purpose of this utility model is to provide a kind of novel short circuit automatic power-off plug board, and short circuit occurs in circuit in plate During phenomenon, plate is overall breaking immediately, avoids plate from burning out.

A kind of novel short circuit automatic power-off plug board of technical solutions of the utility model, including plate plastic shell, jack, conduction Piece and at least two conducting wires, two conducting wire both pass through plastic shell and are connected with conductive sheet, wherein a conducting wire enters outside plastics Shell interior location is broken as A section leads and B section leads, and short-circuit protection is provided with A section leads, is set on the B section leads Breaking holding meanss are equipped with, the short-circuit protection includes fixed iron piece and coiling iron staff, and the fixed iron piece is fixed on modeling Expect on shell medial surface, the A section leads are wrapped on coiling iron staff, and bullet is provided between the fixed iron piece and coiling iron staff Spring one, the open circuit holding meanss include being socketed in the protective case outside B section leads, are provided with the protective case and are led with B sections The parallel spring two of line, two end set of spring have stopper, and protective case has cable-through hole close to the end set of stopper, The A section leads end for being wrapped in coiling iron staff overlaps and turns on B section leads through cable-through hole.

Preferably, the A section leads enter plastic housing portion and are wrapped between coiling iron staff top is divided and partly set For U-shaped.

Preferably, one both ends of spring are welded to connect with fixed iron piece and coiling iron staff respectively.

Preferably, the protective case is fixed with plastic casing, and two natural length of spring is mutually fitted with protective case length Should, the stopper is protruded from outside plastic casing.

A kind of novel short circuit automatic power-off plug board of technical solutions of the utility model, according to the size of electromagnetic force on electromagnet with The principle increased by the increase of the electric current on coiling, devises this short circuit automatic power-off plug board, is occurred in plate short Lu Shi, increases by the electric current on conducting wire, then the electromagnetic force increase on the electromagnet of coiling iron staff and lead loop composition, so that Coiling iron staff also does that spring is close to fixed iron piece in the lump, then the A section leads end being wrapped on coiling iron staff takes off with B section leads From realizing the open circuit of plate.

The utility model technology beneficial effect：

A kind of novel short circuit automatic power-off plug board of technical solutions of the utility model, simple in structure, easy-to-connect can be without prolonging When open circuit when realizing plate short circuit, protect the safety of the electric appliance connected on plate and plate.

Brief description of the drawings

Fig. 1 is a kind of novel short circuit automatic power-off plug board front schematic view of the utility model,

Fig. 2 is a kind of novel short circuit automatic power-off plug board internal structure schematic diagram of the utility model；

Enlarged drawing at Q when Fig. 3 works normally for Fig. 2 centerboards,

Fig. 4 for Fig. 2 centerboards it is short-circuit when open circuit after enlarged drawing at Q.

Embodiment

For ease of skilled artisan understands that technical solutions of the utility model, new to this practicality in conjunction with Figure of description Type technical solution is described further.

As shown in Figures 1 to 4, a kind of novel short circuit automatic power-off plug board, including plate plastic shell 1, jack 13, conduction Piece 4 and at least two conducting wires 3, two conducting wire 3 both pass through plastic shell 1 and are connected with conductive sheet 4, wherein a conducting wire enters modeling Material enclosure position is broken as A section leads 8 and B section leads 9, short-circuit protection is provided with A section leads 8, described B sections is led Breaking holding meanss are provided with line 9, the short-circuit protection includes fixed iron piece 5 and coiling iron staff 7, the fixed iron piece 5 are fixed on 1 medial surface of plastic shell, and the A section leads 8 are wrapped on coiling iron staff 7, the fixed iron piece 5 and coiling iron Spring 1 is provided between rod 7, the open circuit holding meanss include being socketed in the protective case 11 outside B section leads 9, the guarantor The spring two 10 parallel with B section leads 9 is provided with sheath 11,2 10 end set of spring has stopper 12, protective case 11 have cable-through hole close to the end set of stopper 12, are wrapped in 8 end of A section leads of coiling iron staff 7 through cable-through hole and B sections Conducting wire 9 is overlapped and turned on, and the A section leads 8 enter 1 part of plastic shell and are wrapped in part between 7 top of coiling iron staff point Be arranged to U-shaped 14, one 6 both ends of spring are welded to connect with fixed iron piece 5 and coiling iron staff 7 respectively, the protective case 11 with Plastic casing 1 is fixed, and 2 10 natural length of spring is adapted with 11 length of protective case, and the stopper 12 protrudes from plastics Outside housing 1.

As shown in Figures 1 to 4, a kind of novel short circuit automatic power-off plug board, during normal work, 12 upward sliding of stopper, Cable-through hole on protective case 11 is exposed, 8 end of A section leads for being wrapped in coiling iron staff 7 passes through cable-through hole and B section leads 9 overlap and turn on so that plate being capable of normal power-up work；When short circuit occurs in plate, increase by the circuit on conducting wire 3, It is wound with 7 magnetic force of the coiling iron staff increase of A section leads 8 so that coiling iron staff 7 extrudes spring 1 and close fixed iron piece 5, while A By being extracted out in cable-through hole, spring 2 10 extends 8 end of section lead naturally so that stopper 12 stops and crosses line on protective case 11 Hole so that 8 end of A section leads can not cable-through hole overlapped with B section leads 9 so that plate is in off state, waits to be repaired.

Technical solutions of the utility model are exemplarily described utility model above in conjunction with attached drawing, it is clear that this practicality New specific implementation is not subject to the restrictions described above, as long as employing the methodology and technical solution progress of the utility model Various unsubstantialities improve, or it is not improved the design of utility model and technical solution are directly applied into other occasions, Within the scope of protection of the utility model.

Claims (4)

1. a kind of novel short circuit automatic power-off plug board, including plate plastic shell, jack, conductive sheet and two conducting wires, its feature It is, two conducting wires both pass through plastic shell and are connected with conductive sheet, wherein a conducting wire enters plastic shell interior location A section leads and B section leads are broken as, short-circuit protection is provided with A section leads, breaking guarantor is provided with the B section leads Device is held, the short-circuit protection includes fixed iron piece and coiling iron staff, and the fixed iron piece is fixed on the inside of plastic shell On face, the A section leads are wrapped on coiling iron staff, and spring one is provided between the fixed iron piece and coiling iron staff, described Breaking holding meanss include being socketed in the protective case outside B section leads, and the bullet parallel with B section leads is provided with the protective case Spring two, two end set of spring have stopper, and protective case has cable-through hole close to the end set of stopper, is wrapped in coiling The A section leads end of iron staff overlaps and turns on B section leads through cable-through hole.

2. a kind of novel short circuit automatic power-off plug board according to claim 1, it is characterised in that the A section leads enter Plastic housing portion and it is wrapped in point between coiling iron staff top and is partly arranged to U-shaped.

A kind of 3. novel short circuit automatic power-off plug board according to claim 1, it is characterised in that one both ends of spring point It is not welded to connect with fixed iron piece and coiling iron staff.

4. a kind of novel short circuit automatic power-off plug board according to claim 1, it is characterised in that the protective case and modeling Material shell body is fixed, and two natural length of spring is adapted with protective case length, and the stopper is protruded from outside plastic casing.