CN201263994Y

CN201263994Y - Paper shredder with automatic power-off device

Info

Publication number: CN201263994Y
Application number: CNU2008200515510U
Authority: CN
Inventors: 黄崇渊
Original assignee: Dongguan Huangli Electrical Appliance Co ltd
Current assignee: Dongguan Huangli Electrical Appliance Co ltd
Priority date: 2008-07-31
Filing date: 2008-07-31
Publication date: 2009-07-01
Anticipated expiration: 2018-07-31

Abstract

The utility model relates to the technical field of paper shredders, in particular to a paper shredder which can automatically power off and is provided with a mechanical and electronic combined automatic power-off device. The paper shredder comprises a paper shredder core, a power supply sliding switch for controlling a motor of the core to work and a main trigger switch for controlling the whole circuit, wherein the main trigger switch is arranged at a paper inlet of the core, and a trigger piece for triggering the main trigger switch is arranged beside the sliding switch. The utility model discloses a novel circuit, the main switch that will trigger the switch action kneader, if nobody uses the kneader, the kneader will be automatic power off at once to practice thrift the electric energy. Simultaneously, the utility model discloses a mechanical system to when the kneader is in the state of moving back, can put through the circuit, be unlikely to influence the function of moving back of kneader.

Description

Shredder with auto-power-off device

Technical field:

The utility model relates to the shredder technical field, refers in particular to a kind of can the outage automatically, has the shredder of machinery and electronics convolution auto-power-off device.

Background technology:

Discarded script is dealt with improperly, results in hand cramps for our work, even can cause serious consequence to managing safety.In the past all be that the way of adopt burning is handled, it not only needs the place of a burning, and can cause serious air pollution.In order to change this situation, various shredders have come out.

The circuit diagram of the electric shredder that Fig. 1 is in the market to be adopted, it has three switches usually, and wherein switch 51 is a master switch, touches this switch, and circuit is connected power supply, and whole shredder is in holding state.Switch 52 is a slide switch, this slide switch has " unlatching ", " outage ", " counter-rotating " three gears, after the slide switch of shredder is positioned at " unlatching " state, shredder is not worked at once, but be in holding state, after discarded manuscript, paper are put into the shredder inlet, touch a trigger switch 53 in the paper inlet, the motor starting of shredder is pulverized manuscript, paper at this moment.When the slide switch on the shredder was in " counter-rotating " state, trigger switch 53 did not participate in work, and motor is directly connected, and began counter-rotating.

Generally, people are when using shredder, and all the switch with shredder dials to " unlatchings " state, are in that LED and partial circuit are in the power consumption state always in the shredder under the holding state this moment, and promptly this part electric energy is with regard to loss in vain.When stand-by time is longer, the electric energy of loss is just quite surprising.In order to reduce waste of electric energy, energy savings, the inventor designs and has proposed the technical program.

The utility model content:

Technical problem to be solved in the utility model overcomes the deficiencies in the prior art exactly, and a kind of shredder with mechanical type auto-power-off device is provided, to solve the energy loss problem of shredder holding state.

For solving the problems of the technologies described above, the utility model has adopted following technical scheme: it comprises the power supply slide switch of shredder movement, control movement motor operations and total trigger switch of control entire circuit, described total trigger switch is arranged at the paper inlet place of movement, in the other triggering part that is provided with this total trigger switch of triggering of slide switch.

Described total trigger switch comprises: switch, with the movable part and the elastic component of switch interlock, wherein movable part one end extends to going in the paper passage of paper inlet, its other end be pressed on the elastic component and with the switch interlock, utilize through going into paper passage paper system elastic component trigger switch defeated in the compressing of movable part.

Described triggering part is a hinged bar that is articulated in the movement, and the one end is pressed on total trigger switch movable part on the lug boss, and its other end is positioned at slide switch one side, triggers total trigger switch by slide switch glide band movable contact outbox.

Paper inlet at movement also is provided with an inductive switch, and this inductive switch is serially connected between total trigger switch and the movement circuit.This inductive switch can be infra-red sensor switch.By this inductive switch control movement circuit, guarantee that movement cuts off the power supply under off working state, with conserver power source.

The utility model is designed to total trigger switch with an auxiliary switch (be mainly used in and guarantee safely) in the existing product.Under normal holding state, i.e. " unlatchings " state that is allocated to of slide switch, shredder there is no power connection at this moment, so can not produce the situation of power consumption.Have only after paper to be pulverized enters paper inlet, paper triggers total trigger switch, the shredder power connection, and shredder is started working.After the paper pulverizing finished, total trigger switch cut off the power supply immediately, and whole shredder is in off-position, can not produce any electric energy loss.

As run into the shredder paper jam phenomenon, and the paper of pulverizing in the cutter shaft need be withdrawed from, this moment, slide switch need be allocated to " counter-rotating " state.Because can paper scrap, paper slip or the paper that can't determine to be stuck in the cutter shaft touch total trigger switch, need the total trigger switch of mandatory unlatching this moment, so that shredder moves back paper smoothly, triggers total trigger switch so the utility model utilization triggers part, make whole shredder power connection, start working.

The utility model has adopted a kind of new-type circuit, and with the master switch of trigger switch effect shredder, if the unmanned shredder that uses, shredder will cut off the power supply at once automatically, with saves energy.Simultaneously, the utility model has adopted a mechanical system, when moving back the paper state to be at shredder, can connect circuit, and what be unlikely to influence shredder moves back the paper function.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 is the circuit diagram of present shredder product;

Fig. 2 is a circuit diagram of the present utility model;

Fig. 3 is that the utility model movement is overlooked the structure chart under the state;

Fig. 4 is a movement vertical view among the utility model embodiment two.

The specific embodiment:

See Fig. 2,3, the utility model comprises: the power supply slide switch 2 of shredder movement 1, control movement 1 circuit working and total trigger switch 3 of control entire circuit.Wherein, described total trigger switch 3 is arranged at paper inlet 11 places of movement 1, in the slide switch 2 other triggering parts 4 that are provided with this total trigger switch 3 of triggering.

Referring to Fig. 2, described total trigger switch 3 comprises: switch 31, with the movable part 32 and the elastic component 33 of switch 31 interlocks.Offer a through hole that supplies movable part 32 to stretch on the paper path 10 sidewall in going into of paper inlet 11, an end of movable part 32 extends in the paper path 10 by this through hole.The other end of movable part 32 be pressed on the elastic component 33 and with switch 31 interlocks.Elastic component 33 adopts springs, under himself elastic force effect movable part 32 is released in going into the paper path 10.Movable part 32 belows are provided with a trace 34, and these trace 34 1 end low pressure are on elastic component 33, and the other end is positioned on the contact 311 of switch 31.After paper to be pulverized has paper inlet 11 to enter in the paper path 10, when paper passed movable part 32, the elastic force that will overcome elastic component 33 promoted movable part 32 and inwardly withdraws, and promoted trace 34 simultaneously and press down, so just be compressed on the contact 311 of switch 31, thereby make total trigger switch 3 connect.

Described triggering part 4 is a hinged bar that is articulated in the movement 1.Be formed with lug boss 321 on the movable part 32, an end that triggers part 4 just is pressed on total trigger switch 3 movable parts 32 on the lug boss 321, its other end is positioned at slide switch 2 near " counter-rotating " side, triggers total trigger switch 3 by slide switch 2 glide band movable contact outboxes 4.As run into the shredder paper jam phenomenon, and the paper of pulverizing in the cutter shaft need be withdrawed from, this moment, slide switch 2 need be allocated to " counter-rotating " state.Slide switch 2 will promote to be positioned at triggering part 4 counter-clockwise swings of its side when sliding, suppress movable part 32 downwards thereby order triggers part 4 upper ends, and like this with regard to trigger switch 31, from making total trigger switch 3 power connections, shredder is started working.

Seeing Fig. 4, originally is among the embodiment, also is provided with an inductive switch 5 at the paper inlet 11 of movement 1, and this inductive switch 5 is serially connected between total trigger switch 3 and movement 1 circuit.Have only after paper enters paper inlet 11, just trigger this inductive switch 5, the motor of movement 1 is started working.If paper inlet does not have paper, then trigger switch 5 disconnects, and some indicator lamps all extinguish in the circuit, play power savings.The utility model inductive switch 5 can be selected infra-red sensor switch.

Certainly, the above only is embodiment of the present utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.

Claims

1. A paper shredder with an automatic power-off device, which includes: a paper shredder core (1), a power slide switch (2) for controlling the working state of the circuit of the core (1), and a master trigger switch (3) for controlling the entire circuit ), characterized in that: the total trigger switch (3) is set at the paper inlet (11) of the core (1), and a trigger switch (3) is arranged next to the slide switch (2) Trigger (4).

2. The paper shredder with automatic power-off device according to claim 1, characterized in that: said master trigger switch (3) comprises: a switch (31), a movable part ( 32) and the elastic member (33), wherein one end of the movable member (32) extends into the paper inlet passage (10) of the paper inlet (11), and its other end is pressed against the elastic member (33) and is connected with the switch (31 ) interlocking, utilizing the pressing force of the movable part (32) through the paper-feed passage (10) to press the elastic part (33) to trigger the switch (31).

3. The paper shredder with automatic power-off device according to claim 2, characterized in that: the trigger (4) is a hinge rod hinged in the core (1), one end of which presses On the raised part (321) on the movable part (32) of the total trigger switch (3), the other end is located on one side of the slide switch (2), and the slide switch (2) drives the trigger part (4) to trigger the total trigger switch (3).

4. The paper shredder with automatic power-off device according to any one of claims 1-3, characterized in that: an induction switch (5) is also set at the paper inlet (11) of the core (1), The induction switch (5) is connected in series between the main trigger switch (3) and the circuit of the movement (1).

5. The paper shredder with automatic power-off device according to claim 4, characterized in that: the induction switch (5) is an infrared induction switch.