CN105459701A - Gear-adjustable pencil sharpener - Google Patents
Gear-adjustable pencil sharpener Download PDFInfo
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- CN105459701A CN105459701A CN201510995634.XA CN201510995634A CN105459701A CN 105459701 A CN105459701 A CN 105459701A CN 201510995634 A CN201510995634 A CN 201510995634A CN 105459701 A CN105459701 A CN 105459701A
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- gear
- toothed disc
- pencil
- gear train
- pressing lever
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000003801 milling Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/008—Sharpeners for pencils or leads with rotating cutting bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/02—Sharpeners for pencils or leads with gearing
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a gear-adjustable pencil sharpener. The gear-adjustable pencil sharpener comprises a shell, a driving mechanism, a driven mechanism, a cutting mechanism, a pencil feeding mechanism and a pencil shaving collecting box. The shell comprises a first space and a second space which are partially communicated with each other, a second through hole in a shape similar to an E is formed in the side surface of the shell and comprises a vertical part and four horizontal parts which are all communicated with the vertical part, and four gear slots are formed from top to bottom. The driving mechanism comprises a pressing rod, a first gear set, a tube sleeve and a compression spring. The driven mechanism comprises a rotary shaft, a fixing rod, a fourth gear plate, a first bevel gear and a second bevel gear. The cutting mechanism comprises a cutter rest and a milling cutter. The pencil feeding mechanism comprises a first part, a second part and an elastic element. The pencil shaving collecting box is detachably disposed on the lower portion of the second space. By means of the gear-adjustable pencil sharpener, energy can be stored through the compression spring, the cutting mechanism is driven to rotate around a pencil through the counter-acting force of the compression spring, and therefore the cutting work is finished. The gear-adjustable pencil sharpener has the advantages of being environmentally friendly, capable of saving energy and fast.
Description
Technical field
The present invention relates to a kind of pencil sharpener.More particularly, the present invention relates to a kind of pencil sharpener of Adjustable device.
Background technology
Pencil be write, the instrument of the purposes such as account, society is accompanied to pass by many ages, according to the different purposes of pencil, require different to the material of pencil, the timber used of the penholder of pencil is also different, Gu the dynamics needed for pencil cutting is also different, as for softer timber, the dynamics of cutting requires low, more solid timber, and required cutting dynamics wants large.Now be divided into hand-rail type and electrodynamic type with the pencil sharpener sharpened a pencil, hand-cranked pencil sharpener is generally shake grip strip by operator to move cutting mechanism and rotate around pencil, finally complete the cutwork of pencil, in whole process, although can cut the cutting that dynamics completes different pencil by manual control, the necessary continuous rotation rocking handle of user, once stop, cutting mechanism also can stop cutwork, wastes time and energy; Electrodynamic type pencil sharpener needs motor to drive Tool in Cutting, can continue to cut under the drive of battery equal energy source, laborsaving, but existing electromotive force pencil sharpener needs consumes power not environmentally, and the dynamics of cutting is non-adjustable, long-time use can damage the edge of a knife of cutting, reduces the service life of cutting mechanism, can not meet the cutting of dissimilar pencil.
Therefore, needing one badly need not continuation rotating operation, and environmental protection is time saving and energy saving, and the dynamics of cutting is adjustable, extends the pencil sharpener in cutting mechanism service life.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of pencil sharpener of Adjustable device, it can by executing a downward power accumulation of energy to pressing lever, utilize the reaction force of Compress Spring to drive moving up of pressing lever, thus drive the rotation of the first gear train, the rotation of final drive cutting mechanism, the adjustment realized cutting mechanism rotating speed is engaged by what regulate the 4th toothed disc of the toothed disc of the different number of teeth in the first gear train and follower, thus regulate the dynamics of cutting according to the pencil of unlike material, in reduction working angles, pencil is to the wearing and tearing of cutting knife-edge, extend the service life of cutting mechanism, the present invention has environmental protection, energy-conservation advantage fast.
In order to realize according to these objects of the present invention and other advantage, provide a kind of pencil sharpener of Adjustable device, it comprises:
Housing, it is the rectangular structure of hollow, described housing central section is provided with vertical dividing plate, described housing is divided into two spaces, left and right by described dividing plate, be respectively the first space and second space, the first through hole is provided with in the middle part of described dividing plate, described first space and described second space part are communicated, described housing be positioned at described first space and the side relative with described dividing plate is provided with the second through hole of class E shape on the surface, described second through hole comprises a vertical portion and four all through with described vertical portion horizontal components, form four shift slots from top to bottom, be respectively the first shift slot, second shift slot, third gear position groove and fourth gear position groove,
Transmission mechanism, it is arranged in described first space, described transmission mechanism comprises the pressing lever vertically arranged, be set in the first gear train of described pressing lever outside, that be connected with described first gear train lower surface bearing and be set in the jacket casing of described pressing lever outside, and the Compress Spring of the vertical setting to be fixedly connected with described pressing lever lower end, described first gear train and described pressing lever are rotationally connected, the rotation in the horizontal direction of described first gear train is driven to realize moving up and down of described pressing lever, described first gear train comprises the first toothed disc that from top to bottom isodiametric and gear ratio is 2: 5: 10, second toothed disc and the 3rd toothed disc, the lower end of described Compress Spring is fixedly connected with the bottom of described housing, described jacket casing is provided with the gear shift bar extended in the horizontal direction, the free end of described gear shift bar passes described housing by described second through hole, described gear shift bar can move up and down to drive described jacket casing to move up and down in described second through hole, and the location realized described jacket casing and described first gear train can be contained in any one shift slot,
Follower, it is arranged in described second space, described follower comprises the rotating shaft vertically arranged, horizontally disposed fixed bar, fixed cover is located at the 4th toothed disc of described rotating shaft outside, fixed cover is located at described rotating shaft outside and is positioned at horizontally disposed first bevel gear on described 4th toothed disc top, be set in the second bevel gear of described fixed bar outside, described 4th toothed disc can engage with any one toothed disc in described first gear train, the rotation of described 4th toothed disc and described rotating shaft is driven with the rotation realizing described first gear train, described second bevel gear and described fixed bar are rotationally connected, described second bevel gear engages with described first bevel gear and the axis horizontal of described second bevel gear is arranged,
Wherein, described first toothed disc, described second toothed disc, the height vertically of described 3rd toothed disc and described 4th toothed disc is 0.5cm, the height vertically of four described shift slots is 0.6cm, the diameter of described gear shift bar is 0.5cm, the horizontal center line of described gear shift bar and the difference in height of described first gear train lower surface are 2cm, described 4th toothed disc lower surface flushes with the horizontal center line of described first shift slot, the spacing of the horizontal center line of two adjacent described shift slots is 2cm, the axial spacing of two toothed discs adjacent in described first gear train is 2cm, when making described gear shift bar be arranged in described first shift slot, described first gear train does not engage with described 4th toothed disc, when being arranged in described second shift slot, described first toothed disc engages with described 4th toothed disc, when being arranged in described third gear position groove, described second toothed disc engages with described 4th toothed disc, when being arranged in described fourth gear position groove, described 3rd toothed disc engages with described 4th toothed disc,
Cutting mechanism, it is arranged in described second space, it comprises the knife rest that is fixedly connected with described second bevel gear and tilts with horizontal direction and be installed in the milling cutter on described knife rest, the cone shape pen-laying hole for holding pencil point is formed, the axis of described pen-laying hole and the dead in line of described second bevel gear bottom described milling cutter and described knife rest;
Jin Bi mechanism, the Part I of it hollow cylindrical arranged about comprising axis horizontal and the Part II of hollow cylindrical, be connected to stretchable flexible member between described Part I and described Part II, the end of described Part II is communicated with described pen-laying hole, make pencil point pass described Jin Bi mechanism and enter described pen-laying hole, the end of described Part I is connected with the sidewall bearing of described housing;
Bits collecting box, its dismountable bottom being arranged on described second space.
Preferably, the pencil sharpener of described Adjustable device, the outer cover of described Compress Spring is provided with the cylindrical shell vertically arranged, and the lower end of described cylindrical shell is fixedly connected with the bottom of described housing, and upper end and the described jacket casing of described cylindrical shell are slidably connected.
Preferably, the pencil sharpener of described Adjustable device, described pressing lever outside is provided with the first helical gear, and described first gear train and described pressing lever contact site are provided with the second helical gear engaged with described first helical gear, to realize being rotationally connected of described first gear train and described pressing lever.
Preferably, the pencil sharpener of described Adjustable device, the lower end of described rotating shaft is rotatably connected on the bottom of described housing.
Preferably, the pencil sharpener of described Adjustable device, one end away from described knife rest of described fixed bar is fixedly connected with the sidewall of described housing.
Preferably, the pencil sharpener of described Adjustable device, the upper end of described pressing lever passes the upper surface of described housing and forms pressing handle.
Preferably, the pencil sharpener of described Adjustable device, the difference in height vertically of described 4th toothed disc and described second bevel gear is 9cm.
Preferably, the pencil sharpener of described Adjustable device, the inside of described Part II is provided with the secure component of clamping pencil.
The present invention at least comprises following beneficial effect:
First, the present invention is by applying downward force compresses Compress Spring to pressing lever, Compress Spring is utilized to carry out accumulation of energy, the reaction force of Compress Spring drives moving up of pressing lever, the rotation of further drive first gear train, thus drive cutting mechanism around the rotation of pencil, finally complete the cutwork of pencil, devise the first gear train of the toothed disc with the different number of teeth to engage with the 4th toothed disc in follower simultaneously, regulate the rotating speed of cutting mechanism, realize the control to pencil cutting dynamics, to reduce in working angles pencil to the wearing and tearing of cutting knife-edge, extend the service life of cutting mechanism,
The second, the housing of rectangular structure is divided into two spaces by dividing plate, the first through hole offered in the middle part of dividing plate, two space segments are communicated with, are completed the transmission in two spaces by the first reserved through hole, also avoid the pencil sharper cut to fall into the first space simultaneously;
Three, downward power applied to pressing lever and be converted into the elastic force of Compress Spring, realize accumulation of energy function, remove the external force to pressing lever, Compress Spring elastic reactance upwards promotes moving up of pressing lever, because pressing lever and the first gear train are rotationally connected, the rotation in the horizontal direction of the first gear train is driven in the process that pressing lever moves up, need not the applying external force of continuation, also the continuous rotation of the first gear set drive cutting mechanism can be ensured, thus complete cutwork, time saving and energy saving and environmental protection;
4th, moving up and down of jacket casing is driven by the gear shift bar of hull outside, regulate the relative position of the first gear train and the 4th toothed disc, when gear shift bar is moved upward in the first shift slot, first gear train is positioned at the top of the 4th toothed disc, be neutral, the dynamics of cutting needed for the material of pencil regulates the position of gear shift bar, gear shift bar is moved to the second shift slot or third gear position groove or fourth gear position groove, when being positioned at the second shift slot, the first toothed disc that in first gear train, the number of teeth is minimum engages with the 4th toothed disc, now, the rotating speed of cutting mechanism is the slowest, the dynamics of cutting is maximum, be high gear, when being positioned at third gear position groove, the second toothed disc that in the second gear train, the number of teeth is placed in the middle engages with the 4th toothed disc, and now, the rotating speed of cutting mechanism is middling speed, and the dynamics of cutting is moderate, is middle gear, when being positioned at fourth gear position groove, the 3rd toothed disc that in the first gear train, the number of teeth is maximum engages with the 4th toothed disc, and now, the rotating speed of cutting mechanism is the fastest, and the dynamics of cutting is minimum, is low gear, after completing gear shift, with hand, pressing lever is depressed into lower position, pencil to be cut is put into Jin Bi mechanism, then unclamp the hand that pressing lever is exerted pressure, can cutwork be started, fast and easy,
Five, in working angles, the rotation that the rotation of cutting mechanism can drive pencil slight, flexible member has certain elasticity stretched, pencil can move horizontally towards the direction of cutting mechanism on the one hand, play the effect of overhead on the other hand, reduce the rotation of pencil, ensure normally carrying out of cutwork, the project organization of Jin Bi mechanism is simple, economical and practical;
Six, the cylindrical shell of the outside sheathed vertical setting of Compress Spring, plays firm effect to Compress Spring, avoid Compress Spring press down and on move past inclination in journey;
Seven, the second helical gear engagement on the first helical gear on pressing lever outer wall and the first gear train, makes moving up and down of pressing lever that described first gear train can be driven to rotate in the horizontal direction;
Eight, the difference in height of the 4th toothed disc and described second bevel gear is 9cm, and make when neutral, low gear, middle gear and high gear, the second bevel gear all can not contact with the first gear train;
Nine, the axis of pen-laying hole and the dead in line of the second bevel gear, ensures that the second bevel gear drives in the rotation process of cutting mechanism, and milling cutter is rotate around the axis of pencil all the time.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the pencil sharpener of Adjustable device of the present invention;
Fig. 2 is the structural representation of the pencil sharpener of Adjustable device of the present invention;
Fig. 3 is the structural representation of Jin Bi mechanism of the present invention;
Fig. 4 is the structural representation of the second through hole of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in figures 1-4, the invention provides a kind of pencil sharpener of Adjustable device, it comprises:
Housing, it is the rectangular structure of hollow, described housing central section is provided with vertical dividing plate, described housing is divided into two spaces, left and right by described dividing plate, be respectively the first space 1 and second space 2, the first through hole is provided with in the middle part of described dividing plate, described first space 1 and described second space 2 part are communicated, described housing be positioned at described first space 1 and the side relative with described dividing plate is provided with the second through hole 19 of class E shape on the surface, as shown in Figure 4, described second through hole 19 comprises a vertical portion and four all through with described vertical portion horizontal components, form four shift slots from top to bottom, be respectively the first shift slot, second shift slot, third gear position groove and fourth gear position groove,
Transmission mechanism, it is arranged in described first space 1, described transmission mechanism comprises the pressing lever 3 vertically arranged, be set in the first gear train 4 of described pressing lever 3 outside, that be connected with described first gear train 4 lower surface bearing and be set in the jacket casing 5 of described pressing lever 3 outside, and the Compress Spring 6 of the vertical setting to be fixedly connected with described pressing lever 3 lower end, described first gear train 4 is rotationally connected with described pressing lever 3, described first gear train 4 rotation is in the horizontal direction driven to realize moving up and down of described pressing lever 3, described first gear train 4 comprises the first toothed disc that from top to bottom isodiametric and gear ratio is 2: 5: 10, second toothed disc and the 3rd toothed disc, the lower end of described Compress Spring 6 is fixedly connected with the bottom of described housing, described jacket casing 5 is provided with the gear shift bar 8 extended in the horizontal direction, the free end of described gear shift bar 8 passes described housing by described second through hole 19, described gear shift bar 8 can move up and down to drive described jacket casing 5 to move up and down in described second through hole 19, and the location realized described jacket casing 5 and described first gear train 4 can be contained in any one shift slot,
Follower, it is arranged in described second space 2, described follower comprises the rotating shaft 10 vertically arranged, horizontally disposed fixed bar 13, fixed cover is located at the 4th toothed disc 11 of described rotating shaft 10 outside, fixed cover is located at described rotating shaft 10 outside and is positioned at horizontally disposed first bevel gear 12 on described 4th toothed disc 11 top, be set in the second bevel gear 14 of described fixed bar 13 outside, described 4th toothed disc 11 can engage with any one toothed disc in described first gear train 4, the rotation of described 4th toothed disc 11 and described rotating shaft 10 is driven with the rotation realizing described first gear train 4, described second bevel gear 14 is rotationally connected with described fixed bar 13, described second bevel gear 14 engages with described first bevel gear 12 and the axis horizontal of described second bevel gear 14 is arranged,
Wherein, described first toothed disc, described second toothed disc, the height vertically of described 3rd toothed disc and described 4th toothed disc 11 is 0.5cm, the height vertically of four described shift slots is 0.6cm, the diameter of described gear shift bar 8 is 0.5cm, the horizontal center line of described gear shift bar 8 and the difference in height of described first gear train 4 lower surface are 2cm, described 4th toothed disc 11 lower surface flushes with the horizontal center line of described first shift slot, the spacing of the horizontal center line of two adjacent described shift slots is 2cm, the axial spacing of two toothed discs adjacent in described first gear train 4 is 2cm, when making described gear shift bar 8 be arranged in described first shift slot, described first gear train 4 does not engage with described 4th toothed disc 11, when being arranged in described second shift slot, described first toothed disc engages with described 4th toothed disc 11, when being arranged in described third gear position groove, described second toothed disc engages with described 4th toothed disc 11, when being arranged in described fourth gear position groove, described 3rd toothed disc engages with described 4th toothed disc 11,
Cutting mechanism, it is arranged in described second space 2, it comprises the knife rest 15 that is fixedly connected with described second bevel gear 14 and tilts with horizontal direction and be installed in the milling cutter 16 on described knife rest 15, the cone shape pen-laying hole 17 for holding pencil point is formed, the axis of described pen-laying hole 17 and the dead in line of described second bevel gear 14 bottom described milling cutter 16 and described knife rest 15;
Jin Bi mechanism 18, the Part I 20 of it hollow cylindrical arranged about comprising axis horizontal and the Part II 21 of hollow cylindrical, be connected to stretchable flexible member 22 between described Part I 20 and described Part II 21, the end of described Part II 21 is communicated with described pen-laying hole 17, make pencil point pass described Jin Bi mechanism 18 and enter described pen-laying hole 17, the end of described Part I 20 is connected with the sidewall bearing of described housing;
Bits collecting box, its dismountable bottom being arranged on described second space 2.
In technique scheme, before cutwork, gear shift bar 8 is positioned at the first shift slot, first gear train 4 does not engage with the 4th toothed disc 11, according to the material of pencil to be cut, determine required cutting dynamics size, regulate the position of gear shift bar 8, as the great efforts needed, gear shift bar 8 is moved to the second shift slot, jacket casing 5 moves down drive first gear train 4 with the movement of gear shift bar 8 and moves down, the first toothed disc that in first gear train 4, the number of teeth is minimum and the 4th toothed disc 11 are engaged, the rotating speed of cutting mechanism is the slowest, and the dynamics of cutting is maximum, is now high gear; Dynamics as needed is placed in the middle, gear shift bar 8 is moved to third gear position groove, jacket casing 5 moves down drive first gear train 4 with the movement of gear shift bar 8 and moves down, the second toothed disc that in first gear train 4, the number of teeth is placed in the middle and the 4th toothed disc 11 are engaged, the rotating speed of cutting mechanism is middling speed, the dynamics of cutting is moderate, is now middle gear; Dynamics as needed is little, gear shift bar 8 is moved to fourth gear position groove, jacket casing 5 moves down drive first gear train 4 with the movement of gear shift bar 8 and moves down, the 3rd maximum toothed disc of the number of teeth in first gear train 4 and the 4th toothed disc 11 are engaged, the rotating speed of cutting mechanism is the fastest, the dynamics of cutting is minimum, is now low gear.
After gear shift completes, with hand, pressing lever 3 is depressed into lower position, pencil to be cut is inserted in a mechanism 18, then the hand of pressing is unclamped, pressing lever 3 moves up under the drive of Compress Spring 6 elastic acting force upwards, drives the first gear train 4 be rotationally connected with pressing lever 3 to rotate, and the rotation of the first gear train 4 drives follower to rotate, thus drive cutting mechanism around the rotation of pencil, can cutwork be started.
The Part II 21 of Jin Bi mechanism 18 is communicated with pen-laying hole 17, the nib of pencil is made to enter pen-laying hole 17 through Jin Bi mechanism 18, the rotation of cutting mechanism can drive the slight rotation of pencil, flexible member 22 has certain elasticity stretched, and pencil can be driven to move towards the direction of cutting mechanism on the one hand, plays the effect of overhead on the other hand, reduce the speed that pencil rotates, ensure normally carrying out of cutwork, Jin Bi mechanism 18 simplicity of design, economical and practical.
After work to be cut completes, take out pencil, it is nature elongation state that the restoring force of flexible member 22 drives the Part II 21 of Jin Bi mechanism 18 to playback to it, then gear shift bar 8 is moved to the first shift slot, now the first gear train 4 is positioned at the top of the 4th toothed disc 11 and does not engage with it, unclamp the hand that pressing lever 3 is pressed, under the reaction of Compress Spring 6, pressing lever 3 is moved upward to Compress Spring 6 recovery in nature elongation state, take off the bits collecting box of second space 2 bottom, the pencil chip in cleaning bits collecting box.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, the outer cover of described Compress Spring 6 is provided with the cylindrical shell 7 vertically arranged, the lower end of described cylindrical shell 7 is fixedly connected with the bottom of described housing, upper end and the described jacket casing 5 of described cylindrical shell 7 are slidably connected, cylindrical shell 7 pairs of Compress Springs 6 play firm effect, avoid Compress Spring 6 to press down and on move past inclination in journey.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, described pressing lever 3 outside is provided with the first helical gear, described first gear train 4 is provided with described pressing lever 3 contact site the second helical gear engaged with described first helical gear, to realize being rotationally connected of described first gear train 4 and described pressing lever 3.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, the lower end of described rotating shaft 10 is rotatably connected on the bottom of described housing.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, one end away from described knife rest 15 of described fixed bar 13 is fixedly connected with the sidewall of described housing.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, the upper end of described pressing lever 3 passes the upper surface of described housing and forms pressing handle 9, handled easily.
In another kind of technical scheme, the pencil sharpener of described Adjustable device, described 4th toothed disc 11 is 9cm with the difference in height vertically of described second bevel gear 14, and make when neutral, low gear, middle gear and high gear, the second bevel gear 14 all can not contact with the first gear train 4.
In another kind of technical scheme, the inside of described Part II 21 is provided with the secure component of clamping pencil, plays the fixation to pencil.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a pencil sharpener for Adjustable device, is characterized in that, comprising:
Housing, it is the rectangular structure of hollow, described housing central section is provided with vertical dividing plate, described housing is divided into two spaces, left and right by described dividing plate, be respectively the first space and second space, the first through hole is provided with in the middle part of described dividing plate, described first space and described second space part are communicated, described housing be positioned at described first space and the side relative with described dividing plate is provided with the second through hole of class E shape on the surface, described second through hole comprises a vertical portion and four all through with described vertical portion horizontal components, form four shift slots from top to bottom, be respectively the first shift slot, second shift slot, third gear position groove and fourth gear position groove,
Transmission mechanism, it is arranged in described first space, described transmission mechanism comprises the pressing lever vertically arranged, be set in the first gear train of described pressing lever outside, that be connected with described first gear train lower surface bearing and be set in the jacket casing of described pressing lever outside, and the Compress Spring of the vertical setting to be fixedly connected with described pressing lever lower end, described first gear train and described pressing lever are rotationally connected, the rotation in the horizontal direction of described first gear train is driven to realize moving up and down of described pressing lever, described first gear train comprises the first toothed disc that from top to bottom isodiametric and gear ratio is 2: 5: 10, second toothed disc and the 3rd toothed disc, the lower end of described Compress Spring is fixedly connected with the bottom of described housing, described jacket casing is provided with the gear shift bar extended in the horizontal direction, the free end of described gear shift bar passes described housing by described second through hole, described gear shift bar can move up and down to drive described jacket casing to move up and down in described second through hole, and the location realized described jacket casing and described first gear train can be contained in any one shift slot,
Follower, it is arranged in described second space, described follower comprises the rotating shaft vertically arranged, horizontally disposed fixed bar, fixed cover is located at the 4th toothed disc of described rotating shaft outside, fixed cover is located at described rotating shaft outside and is positioned at horizontally disposed first bevel gear on described 4th toothed disc top, be set in the second bevel gear of described fixed bar outside, described 4th toothed disc can engage with any one toothed disc in described first gear train, the rotation of described 4th toothed disc and described rotating shaft is driven with the rotation realizing described first gear train, described second bevel gear and described fixed bar are rotationally connected, described second bevel gear engages with described first bevel gear and the axis horizontal of described second bevel gear is arranged,
Wherein, described first toothed disc, described second toothed disc, the height vertically of described 3rd toothed disc and described 4th toothed disc is 0.5cm, the height vertically of four described shift slots is 0.6cm, the diameter of described gear shift bar is 0.5cm, the horizontal center line of described gear shift bar and the difference in height of described first gear train lower surface are 2cm, described 4th toothed disc lower surface flushes with the horizontal center line of described first shift slot, the spacing of the horizontal center line of two adjacent described shift slots is 2cm, the axial spacing of two toothed discs adjacent in described first gear train is 2cm, when making described gear shift bar be arranged in described first shift slot, described first gear train does not engage with described 4th toothed disc, when being arranged in described second shift slot, described first toothed disc engages with described 4th toothed disc, when being arranged in described third gear position groove, described second toothed disc engages with described 4th toothed disc, when being arranged in described fourth gear position groove, described 3rd toothed disc engages with described 4th toothed disc,
Cutting mechanism, it is arranged in described second space, it comprises the knife rest that is fixedly connected with described second bevel gear and tilts with horizontal direction and be installed in the milling cutter on described knife rest, the cone shape pen-laying hole for holding pencil point is formed, the axis of described pen-laying hole and the dead in line of described second bevel gear bottom described milling cutter and described knife rest;
Jin Bi mechanism, the Part I of it hollow cylindrical arranged about comprising axis horizontal and the Part II of hollow cylindrical, be connected to stretchable flexible member between described Part I and described Part II, the end of described Part II is communicated with described pen-laying hole, make pencil point pass described Jin Bi mechanism and enter described pen-laying hole, the end of described Part I is connected with the sidewall bearing of described housing;
Bits collecting box, its dismountable bottom being arranged on described second space.
2. the pencil sharpener of Adjustable device as claimed in claim 1, is characterized in that, the outer cover of described Compress Spring is provided with the cylindrical shell vertically arranged, and the lower end of described cylindrical shell is fixedly connected with the bottom of described housing, and upper end and the described jacket casing of described cylindrical shell are slidably connected.
3. the pencil sharpener of Adjustable device as claimed in claim 2, it is characterized in that, described pressing lever outside is provided with the first helical gear, described first gear train and described pressing lever contact site are provided with the second helical gear engaged with described first helical gear, to realize being rotationally connected of described first gear train and described pressing lever.
4. the pencil sharpener of Adjustable device as claimed in claim 3, it is characterized in that, the lower end of described rotating shaft is rotatably connected on the bottom of described housing.
5. the pencil sharpener of Adjustable device as claimed in claim 4, it is characterized in that, one end away from described knife rest of described fixed bar is fixedly connected with the sidewall of described housing.
6. the pencil sharpener of Adjustable device as claimed in claim 5, is characterized in that, the upper end of described pressing lever passes the upper surface of described housing and forms pressing handle.
7. the pencil sharpener of Adjustable device as claimed in claim 6, it is characterized in that, the difference in height vertically of described 4th toothed disc and described second bevel gear is 9cm.
8. the pencil sharpener of Adjustable device as claimed in claim 7, is characterized in that, the inside of described Part II is provided with the secure component of clamping pencil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995634.XA CN105459701B (en) | 2015-12-26 | 2015-12-26 | The pencil sharpener of Adjustable device |
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| CN201510995634.XA CN105459701B (en) | 2015-12-26 | 2015-12-26 | The pencil sharpener of Adjustable device |
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| CN105459701A true CN105459701A (en) | 2016-04-06 |
| CN105459701B CN105459701B (en) | 2017-07-07 |
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| CN105832098A (en) * | 2016-05-30 | 2016-08-10 | 叶雨玲 | Rotary shrimp peeler |
| CN106183567A (en) * | 2016-08-30 | 2016-12-07 | 嘉城信和商贸（武汉）有限公司 | A kind of children's game class pencil sharpening device |
| CN107097574A (en) * | 2017-04-22 | 2017-08-29 | 梁良 | A kind of automatic pencil sharpener |
| CN108357264A (en) * | 2018-03-15 | 2018-08-03 | 许佳雯 | A kind of pencil sharpener |
| CN108515590A (en) * | 2018-03-28 | 2018-09-11 | 重庆市健隆家具有限公司 | Sheet fabrication device |
| CN109664657A (en) * | 2019-01-31 | 2019-04-23 | 雪松 | A kind of integrated hob-cutter structure of pencil sharpener |
| CN114987093A (en) * | 2022-06-10 | 2022-09-02 | 昆明理工大学 | Multifunctional convenient pencil sharpener |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105832098A (en) * | 2016-05-30 | 2016-08-10 | 叶雨玲 | Rotary shrimp peeler |
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| CN108515590A (en) * | 2018-03-28 | 2018-09-11 | 重庆市健隆家具有限公司 | Sheet fabrication device |
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| CN109664657A (en) * | 2019-01-31 | 2019-04-23 | 雪松 | A kind of integrated hob-cutter structure of pencil sharpener |
| CN114987093A (en) * | 2022-06-10 | 2022-09-02 | 昆明理工大学 | Multifunctional convenient pencil sharpener |
| CN114987093B (en) * | 2022-06-10 | 2023-11-17 | 昆明理工大学 | Multifunctional convenient pencil sharpener |
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