CN2846161Y

CN2846161Y - Electric pencil sharpener

Info

Publication number: CN2846161Y
Application number: CN 200520066270
Authority: CN
Inventors: 陈华耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-20
Filing date: 2005-10-20
Publication date: 2006-12-13
Anticipated expiration: 2015-10-20

Abstract

The utility model relates to an electric pencil sharpener which comprises a casing, a sharpener frame arranged in the casing, a motor for driving the rotation of the sharpener frame and a switch for controlling the work of the motor. A pencil scrap cabinet position is arranged at a pencil jack arranged on the casing, and the pencil scrap cabinet position for inserting a pencil scrap cabinet also comprises an elastic trip contacted with the switch, a draw rod, a spring connected with the draw rod, a first trigger device and a second trigger device, wherein the draw rod is in contact with the elastic trip in transversal and longitudinal movement in place, and is used for pushing the elastic trip for starting the switch, the first trigger device is arranged at a pencil jack position and is used for driving the draw rod to move transversally, and the second trigger device is arranged at the pencil scrap cabinet position and is used for driving the longitudinal movement of the draw rod. The motor can be started by the electric pencil sharpener of the utility model only under the condition of complete insertion of the pencil scrap cabinet and the pencil. The safety of the fingers contacted with the interior of the pencil sharpener can be protected, no injury is caused to a human body, the environment can not be contaminated by the pencil scraps and the cleanness is very convenient.

Description

Electric pencil sharpener

Technical field

The utility model relates to office accommodation, more specifically to a kind of electric pencil sharpener.

Background technology

The use of pencil is very extensive, but general manually sharpening a pencil wasted time and energy, electric pencil sharpener can solve this problem, just can be good pencil sharper automatically after inserting pencil in the electric pencil sharpener by machine, the electric pencil sharpener of prior art generally is provided with pen bits tube, pen bits drop in the pen bits tube when sharpening a pencil, if but people forgotten pen bits tube is placed when using, the pencil bits will drop out and besmirch the place.After if for example previous user uses electric pencil sharpener, after the pen bits of pen bits tube have been fallen, forgotten pen bits tube is placed, the user in back can not check earlier generally whether pen bits tube places, often get used to directly pencil being inserted in the pen-rolling hole of pencil sharpener, pencil is considered to be worth doing when dropping on outer cleaning of pen bits tube pretty troublesome like this, can use 2 actions of a switch engine control for addressing these problems us, when pen and the cabinet bucket leaves or do not put back to fully pen dig in motor can not be activated, if pencil is inserted in the pen paring hole of pen plane in addition, motor also can not be activated, such way safety, simply, environmental protection and saving electric power.

The utility model content

The technical problems to be solved in the utility model is that the above-mentioned defective at prior art provides a kind of electric pencil sharpener, the security performance in when bits cleaning pen, and the protection finger can be by blade holder turns and injured.

The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of electric pencil sharpener, comprise housing, be contained in the knife rest in the described housing, be used to drive the motor of described blade holder turns, be used to control the switch of described machine operation, pen bits cabinet bucket position, be arranged on the pencil jack on the described housing, be used to insert the pen bits cabinet bucket position of pen bits cabinet bucket, also comprise the shell fragment that contacts with described switch, contact with described shell fragment horizontal and vertical all moving into place and promote the pull bar that described shell fragment starts described switch, the spring that is connected with described pull bar, be contained in described pencil jack place and drive first flip flop equipment of described pull bar transverse shift, be contained in second flip flop equipment of the moving described pull bar vertical shift of described pen bits cabinet bucket bit strip.

In electric pencil sharpener described in the utility model, described shell fragment is provided with to the first outstanding contact position of described pull bar direction, described pull bar is provided with to the second outstanding contact position of described shell fragment direction, and described pull bar is horizontal and vertical all to be moved into place the described first contact position and contact with described second and contact.

In electric pencil sharpener described in the utility model, described pen bits cabinet bucket is provided with the outstanding position of the domatic that is used for described second flip flop equipment of jack-up.

Implement electric pencil sharpener of the present utility model, has following beneficial effect: because electric pencil sharpener of the present utility model is only all just understood starter motor under the situation of insertion fully at pen bits cabinet bucket and pencil, such design can be when the user extracts pen bits cabinet bucket cleaning pen bits out, pencil sharpener in the assurance machine can not rotate, can not make any injury to the user, the pen bits all drop in the pen bits cabinet bucket, and are very convenient during cleaning, do not pollute the environment.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the structural representation of automatic pencil sharpener of the present utility model switch module when insertion pen bits cabinet bucket does not insert the pencil state;

Fig. 2 is the stereogram of Fig. 1;

Fig. 3 is the structural representation of automatic pencil sharpener of the present utility model switch module when insertion pen bits cabinet bucket does not insert the pencil state;

Fig. 4 is the structural representation of automatic pencil sharpener of the present utility model switch module when insertion pen bits cabinet bucket has not inserted the pencil state;

Fig. 5 is the structural representation of automatic pencil sharpener of the present utility model switch module when inserting pen bits cabinet bucket insertion pencil state;

Fig. 6 is the schematic cross-section of the pen bits cabinet bucket of automatic pencil sharpener of the present utility model.

The specific embodiment

Electric pencil sharpener of the present utility model, comprise housing, be contained in knife rest in the described housing, be used to drive described blade holder turns motor, be used to control the switch module of described machine operation, be arranged on pencil jack on the described housing, be used to insert the pen bits cabinet bucket of pen bits cabinet bucket.The switch module of electric pencil sharpener of the present utility model adopts specific setting, only just starts when pencil all inserts with a pen bits cabinet bucket.

In conjunction with Fig. 4 the structural representation of the switch module of automatic pencil sharpener of the present utility model is described, wherein the state of switch module position when pen bits cabinet bucket and pencil all do not insert.Switch module comprises the shell fragment 2 that contacts with described switch 1, contact with described shell fragment 2 horizontal and vertical and promote the pull bar 3 that described shell fragment 2 starts described switch 1 when all moving into place, the spring 6 that is connected with described pull bar 3, be contained in described pencil jack place and drive first flip flop equipment 4 of described pull bar 3 transverse shifts, be contained in second flip flop equipment 5 of moving described pull bar 3 vertical shifts of described pen bits cabinet bucket bit strip.Described shell fragment 2 is provided with to the first outstanding contact position 201 of described pull bar 3 directions, described pull bar 3 is provided with to the second outstanding contact position 301 of described shell fragment 2 directions, and described pull bar 3 is horizontal and vertical all to be moved into place the described first contact position 201 and contact position 301 with described second and contact.In the state shown in this figure, a pencil and a pen bits cabinet bucket all not have to insert, and the second contact position 301 of pull bar 3 contacted 201 and staggered with first of shell fragment 2 this moment.

As shown in Figure 1, structural representation for automatic pencil sharpener of the present utility model switch module when insertion pen bits cabinet bucket does not insert the pencil state, stereogram Fig. 2 in conjunction with Fig. 1, in this state, second flip flop equipment 5 drives 3 on pull bar and has moved up at longitudinal direction, second of the pull bar contact position 301 contacts position 201 with first of shell fragment 2 does not like this have contact, pull bar 3 can not drive shell fragment 2 and move, shell fragment 2 can not start by pull switch 1 yet, therefore motor can not start, and the propelling pencil cutter can not worked.

As shown in Figure 3, structural representation for automatic pencil sharpener of the present utility model switch module when insertion pen bits cabinet bucket does not insert the pencil state, in this state, first flip flop equipment 4 drives 3 on pull bar and has moved up at horizontal direction, second of the pull bar contact position 301 contacts position 201 with first of shell fragment 2 does not like this have contact, and pull bar 3 can not drive shell fragment 2 and move, and shell fragment 2 also can not start by pull switch 1, therefore motor can not start, and the propelling pencil cutter can not worked.

As shown in Figure 4, structural representation for automatic pencil sharpener of the present utility model switch module when inserting pen bits cabinet bucket insertion pencil state, in this state, pull bar 3 had not both moved at longitudinal direction yet and had not moved at horizontal direction, the second contact position 301 of pull bar contacts position 201 with first of shell fragment 2 and does not contact, and pull bar 3 can not drive shell fragment 2 and move, and shell fragment 2 also can not start by pull switch 1, therefore motor can not start, and the propelling pencil cutter can not worked.

As Fig. 5 is that the switch module of automatic pencil sharpener of the present utility model is in and inserts the structural representation that pen bits cabinet bucket inserts the pencil state.In this state, second flip flop equipment 5 drives pull bar 3 and moves up at longitudinal direction, and first flip flop equipment 4 drives pull bar 3 and moves up at horizontal direction.Pull bar 3 has all moved at longitudinal direction and horizontal direction, and the second contact position 301 of pull bar contacts position 201 with first of shell fragment 2 and contacts, and pull bar 3 drives shell fragments 2 and moves, and shell fragment 2 pull switch 1 start, so electric motor starting, and knife rest begins to rotate.

As shown in Figure 6, the schematic cross-section of the pen bits cabinet bucket of position automatic pencil sharpener of the present utility model.Pen bits cabinet bucket is provided with the outstanding position 7 of the domatic that is used for described second flip flop equipment 5 of jack-up, pen bits cabinet bucket inserts in the process of pen bits cabinet bucket position, when outstanding position 7 touches second flip flop equipment 5, its jack-up can be made second flip flop equipment 5 drive 3 on pull bar and moves up at longitudinal direction.

Claims

1, a kind of electric pencil sharpener, comprise housing, be contained in the knife rest in the described housing, be used to drive the motor of described blade holder turns, be used to control the switch (1) of described machine operation, pen bits cabinet bucket position, be arranged on the pencil jack on the described housing, be used to insert the pen bits cabinet bucket position of pen bits cabinet bucket, it is characterized in that, also comprise the shell fragment (2) that contacts with described switch (1), contact with described shell fragment (2) horizontal and vertical all moving into place and promote the pull bar (3) that described shell fragment (2) starts described switch (1), the spring (6) that is connected with described pull bar (3), be contained in described pencil jack place and drive first flip flop equipment (4) of described pull bar (3) transverse shift, be contained in second flip flop equipment (5) of moving described pull bar (3) vertical shift of described pen bits cabinet bucket bit strip.

2, electric pencil sharpener according to claim 1, it is characterized in that, described shell fragment (2) is provided with to the first outstanding contact position (201) of described pull bar (3) direction, described pull bar (3) is provided with to the second outstanding contact position (301) of described shell fragment (2) direction, and described pull bar (3) is horizontal and vertical all to be moved into place the described first contact position (201) and contact (301) with described second and contact.

3, electric pencil sharpener according to claim 1 is characterized in that, described pen bits cabinet bucket is provided with the outstanding position of domatic (7) that is used for described second flip flop equipment of jack-up (5).