CN105730106A - Electric pencil sharpener - Google Patents
Electric pencil sharpener Download PDFInfo
- Publication number
- CN105730106A CN105730106A CN201610078207.XA CN201610078207A CN105730106A CN 105730106 A CN105730106 A CN 105730106A CN 201610078207 A CN201610078207 A CN 201610078207A CN 105730106 A CN105730106 A CN 105730106A
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- China
- Prior art keywords
- connecting rod
- microswitch
- feeler lever
- pedestal
- laminating
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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
- B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
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- Knives (AREA)
- Devices For Opening Bottles Or Cans (AREA)
Abstract
An electric pencil sharpener comprises a casing (1) as well as a base (2), a motor (3), a tool rest (4) and a transmission assembly which are located in the casing (1), wherein the base (2) is connected with the casing (1), the motor (3) and the transmission assembly are connected onto the base (2), the tool rest (4) is rotationally connected with the casing (1), a pencil stopping block (5) is arranged in the tool rest (4), the tool rest (4) is connected with an output end of the transmission assembly, a micro-switch (6) is arranged in the casing (1) and is electrically connected with the motor (3), a link mechanism for controlling the micro-switch (6) is arranged on the base (2), one end of the link mechanism is attached to the micro-switch (6), and the other end of the link mechanism abuts against the pencil stopping block (5) and the output end of transmission assembly. Compared with the prior art, the electric pencil sharpener has the characteristics that a control mechanism is simple, fewer welding spots exist, the use stability is better, the electric pencil sharpener is easily and conveniently used, the assembling efficiency of workers can be substantially improved, and the cost is lower.
Description
Technical field
The invention belongs to technical field of stationery, particularly relate to a kind of electric pencil-sharpening unit.
Background technology
At present, the electric pencil-sharpening unit of prior art is according to using function can be divided into manual type electric pencil-sharpening unit and self-action electric pencil-sharpening unit；Manual type electric pencil-sharpening unit refers to and requires over the electric pencil-sharpening unit that user Non-follow control motor opens and closes；And self-action electric pencil-sharpening unit is divided into self-starting electric pencil-sharpening unit and stopping electric pencil-sharpening unit of fining away, self-starting electric pencil-sharpening unit refers to insertion pencil and bootable pencil sharpener, the cutting degree of pencil needs user oneself to judge, extracts pencil electric pencil-sharpening unit and namely quits work；Fine away stop electric pencil-sharpening unit being alternatively referred to as Full-automatic pencil cutter, refer to pencil fine away after can self-braking electric pencil-sharpening unit, it is also equipped with the function of self-starting certainly.When manual type electric pencil-sharpening unit and self-starting electric pencil-sharpening unit use, it is necessary to user is paid close attention to pencil sharpener at any time and cut the situation of pen, in order to close pencil sharpener in time, and otherwise pencil is easily directly cut and cannot be used, therefore uses cumbersome；And although stopping electric pencil-sharpening unit of fining away can automatically control a process of cutting for whole pencil, but whole controlling organization structure is complicated, and at least need two switch with the use of, even also need to integrated circuit board and single-chip microcomputer is controlled, this overall volume allowing for pencil sharpener is bigger, and it is added significantly to the cost of pencil sharpener, and owing to circuit is more, solder joint between circuit is also increased by, and pencil sharpener major part is that students in middle and primary schools are in use, it uses environment relatively complicated, it is bigger that environmental effect received by integrated circuit board and single-chip microcomputer, and solder joint is more many, the situation that solder joint comes off more easily occurs, therefore stability in use is poor, and also it is added significantly to the assembling difficulty of workman, packaging efficiency is relatively low.
Summary of the invention
A kind of controlling organization is simple, solder joint is less, stability in use is better and the electric pencil-sharpening unit of worker assembles efficiency can be greatly improved to the present invention is directed to problem above offer.
This invention address that the technical scheme used by problem above is: provide a kind of electric pencil-sharpening unit with following structure, it includes housing and is positioned at the pedestal of housing, motor, knife rest and transmission component, described pedestal is connected with housing, described motor and transmission component are both connected on pedestal, described knife rest is connected with housing into rotation, a resistance block it is provided with in knife rest, and knife rest is connected with the outfan of transmission component, it is provided with microswitch in described housing, microswitch electrically connects with motor, described pedestal is provided with the linkage for controlling microswitch, one end of described linkage and microswitch laminating, the other end of linkage supports with the outfan of a resistance block and transmission component respectively and closes.
nullAfter adopting above structure，Compared with prior art，After due to the fact that employing linkage，When pen inserts from knife rest，Make the outfan action of the dynamic transmission component of pressure zone under knife rest，And the outfan of transmission component touches linkage，Thus touching microswitch and starting motor，Carry out cutting the action of pen，After pen is sharpened，Nib will touch a resistance block，Resistance block is made to touch linkage，Thus touching microswitch and closing motor and realize the function stopped of fining away，Therefore the whole process stopped of fining away that starts to has only to a microswitch and can realize automatically controlling，Use easier，This is just greatly reduced the solder joint of relevant parts and electrical connection，Structure is also simpler，The packaging efficiency of workman can be greatly improved，Reduce production cost，And linkage is better to the adaptability of environment，Not easily protected from environmental，Stability in use is better.Therefore the present invention has that controlling organization is simple, solder joint is less, stability in use is better, easy to use, worker assembles efficiency and lower-cost feature can be greatly improved.
As improvement, described linkage includes being positioned at the sharpening of housing to be stopped connecting rod and starts connecting rod, fine away and stop connecting rod and start connecting rod being all connected with pedestal, described sharpening stops on connecting rod and starts being respectively equipped with the first feeler lever and the second feeler lever on connecting rod, and fine away one end and microswitch laminating of stopping connecting rod, the one end starting connecting rod is also supported close with microswitch laminating, described first feeler lever and a resistance block, and the outfan of the second feeler lever and transmission component is to closing；When penholder enters knife rest so that the outfan of transmission component touches the second feeler lever, so that the one end starting connecting rod is touched microswitch and is started motor；And pen is when being sharpened, nib touches a resistance block, and hinders a block and drive the first feeler lever, stops connecting rod and touches microswitch so that fine away and close motor；Then the linkage parts of this spline structure are less, and dependability is also better, under the premise ensureing dependability, reduce the cost of the present invention further.
As further improvement, the middle part of described startup connecting rod is hinged with pedestal, start connecting rod one end to be connected with the lower end of the second feeler lever, the upper end of the second feeler lever is supported with the outfan of transmission component and is closed, the described middle part and startup rod hinge connection that stop connecting rod of fining away, sharpening stops connecting rod one end and is connected with the lower end of the first feeler lever, and the upper end of the first feeler lever and a resistance block are to conjunction, fining away and stop the laminating of the connecting rod other end and microswitch, the connecting rod other end is spacing is connected for the described startup connecting rod other end and stopping of fining away；After then so arranging, under the premise ensureing linkage stability in use, reduce the volume of linkage further so that entirety of the present invention is compacter, and volume is less.
nullAs further improving，Housing below described pedestal is provided with bottom，Described microswitch is microswitch open in usual，Described startup connecting rod is " U " font structure，The bottom starting connecting rod " U " font structure is hinged with pedestal，The upper surface starting connecting rod one end is connected with the lower end of the second feeler lever，The upper end of the second feeler lever is supported with the outfan of transmission component and is closed，And start the position contrary with the second feeler lever, connecting rod one end and be provided with the first projection，It is provided with the first spring between first projection and bottom，The described middle part stopping connecting rod of fining away is hinged on the position starting connecting rod other end close end，Sharpening stops the upper surface of connecting rod one end and is connected with the lower end of the first feeler lever，The upper end of the first feeler lever is supported with a resistance block and is closed，Fine away and stop the connecting rod other end and microswitch laminating，The described startup connecting rod other end is provided with tray，Tray is positioned to fine away and stops the lower section of the connecting rod other end，And tray upper surface stops the lower surface laminating of the connecting rod other end with sharpening；Under the effect of the first spring, the stopping connecting rod other end of fining away is pressed together in microswitch so that microswitch is closed；After then so arranging, under the premise ensureing linkage stability in use, while reducing the volume of linkage further, the sensitivity of electric motor starting and stopping can being increased further, save the consumption of battery electric quantity, extend the use time of battery, and after the first spring and tray are arranged, make to please correct after point, in the process extracted, the stopping connecting rod other end of fining away first resets, and start connecting rod also time delay in knife rest because of pen, therefore also can drive a few circle of blade holder turns at the first spring to starting motor in the process that connecting rod resets, then now hobboing cutter is also moving, hobboing cutter is also easier to disengage with nib, can be effectively prevented the blade of hobboing cutter after originally having cut stopping still having part to be also embedded on pen core or a shell and extract pencil cause that the situation of disconnected core occurs, and the fineness at pencil cutting position is also better.
As further improving, described transmission component includes input gear and output gear, described input gear and output gear are all rotatably connected on the upper surface of pedestal, input gear engages with output gear, and input gear engages with the outfan of motor, output gear and knife rest are in transmission connection, and described first feeler lever is positioned at the lower section of output gear, and fit in the lower surface of the upper surface of the first feeler lever and output gear；Then the transmission component parts of this structure are less, and stability in use is also better, and compactedness overall after simultaneously assembling with linkage is also better, can improve the utilization ratio of shell intracorporeal space, and then reduce the overall volume of the present invention.
As further improving, it is provided with adjustment between described second feeler lever and a resistance block and cuts a regulating block for nib thickness, regulating block is slidably connected at the lower surface of pedestal, described housing is provided with shifting block, shifting block is connected by driving lever with regulating block, the lower surface of described regulating block is plane, the upper surface of regulating block is inclined-plane, and the lower surface of regulating block with second feeler lever upper surface laminating, described resistance block is slidably connected on knife rest, the lower slide of knife rest is connected to the first push rod, the upper end of described first push rod and resistance block laminating, fit through the upper surface of pedestal and transmission component and regulating block in the lower end of the first push rod；After then the regulating block of nib thickness is arranged, use motility better, the user demand that user is different can be met；And the nib thickness governor motion of this structure, simple in construction, parts are relatively fewer, and the space taken is also relatively small, and dependability is also better.
As further improving, the position that described knife rest hinders a block corresponding is provided with lateral opening；After then opening is arranged, the pen core ruptured not only can be sidewindered in the gap of cutter in the past drop, pen core can also drop from opening part, even and if relatively thick pen core can also drop from knife rest, thus preventing original thicker pen core from cannot drop in the gap of hobboing cutter and causing normally cutting the situation of pen and occur, improve the dependability of the present invention further.
As further improving, described regulating block is " H " type structure, and the side of " H " type structure is wedge structure, the opposite side side of the being strip structure of " H " type structure；The lower surface of wedge structure is plane, and the upper surface of wedge structure is inclined-plane, and the lower surface of wedge structure and the first feeler lever upper surface laminating, fits in the lower end of the upper surface of wedge structure and the first push rod；The upper surface of described side's strip structure is provided with open slot along its length, and described pedestal lower surface is provided with the guide rail coordinating guiding with open slot；Then " H " type structure is favourable with other parts avoided in housing, and regulating block lower limit not ensure that the reliability stopped of fining away by the dependability improving regulating block further that is combined in of open slot and guide rail simultaneously.
As further improving, described housing is provided with pen bits outlet, and pen bits outlet place is provided with cover plate, is provided with release mechanism between described cover plate and microswitch；When cover plate is opened, it is impossible to open motor；After then so arranging, user finger after cover plate is opened can be effectively prevented and enter false touch in housing and start the situation generation that motor causes user injured, it is ensured that the safety in utilization of the present invention.
As further improving, described release mechanism includes the second push rod being slidably connected in housing and the safe connecting rod being slidably connected on pedestal, pedestal is provided with through hole, described safe connecting rod upper end is slidably connected in through-holes, and safe connecting rod upper end with second push rod lower end laminating, described safe connecting rod lower end is provided with bending, the upper surface of described bending and microswitch laminating, and the lower surface of bending is provided with the second projection, the second spring, the upper end of described second push rod and cover plate laminating it is provided with between described second projection and bottom；When cover plate is opened, under the effect of the second spring, bending is by microswitch pressing so that microswitch cannot be touched and cannot open motor；Then such release mechanism is also purely mechanic mechanism, and not only parts are less, and dependability is also better, does not need special instrument so that the packaging efficiency of workman is better, can reduce the preparation cost of the present invention further when assembling simultaneously.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of electric pencil-sharpening unit of the present invention.
Fig. 2 is the electric pencil-sharpening unit pedestal of the present invention structural representation with lower part.
Fig. 3 is the structural representation of electric pencil-sharpening unit knife rest of the present invention, transmission component and linkage.
Fig. 4 is the structural representation of electric pencil-sharpening unit linkage of the present invention.
Fig. 5 is the structural representation of electric pencil-sharpening unit nib thickness adjustment part of the present invention.
Fig. 6 is the structural representation that electric pencil-sharpening unit nib thickness of the present invention regulates section Example two.
As shown in the figure: 1, housing, 2, pedestal, 3, motor, 4, knife rest, 5, a resistance block, 6, microswitch, 7, fine away and stop connecting rod, 8, start connecting rod, 9, first feeler lever, 10, second feeler lever, 11, bottom, 12, first is protruding, 13, first spring, 14, tray, 15, input gear, 16, output gear, 17, regulating block, 18, shifting block, 19, driving lever, 20, first push rod, 21, opening, 22, open slot, 23, guide rail, 24, cover plate, 25, second push rod, 26, safe connecting rod, 27, through hole, 28, bending, 29, second is protruding, 30, second spring, 31, charging circuit plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Embodiment one
nullSuch as Fig. 1、Fig. 2、Fig. 3、Shown in Fig. 4 and Fig. 5，A kind of electric pencil-sharpening unit，It includes housing 1 and is positioned at the pedestal 2 of housing 1、Motor 3、Knife rest 4 and transmission component (also include other parts certainly，But owing to relating to the inventive point of the invention，Therefore do not repeat them here)，Described pedestal 2 is connected with housing 1，Described motor 3 and transmission component are all connected with on the base 2，Described knife rest 4 is rotationally connected with housing 1，A resistance block 5 it is provided with in knife rest 4，And knife rest 4 is connected with the outfan of transmission component，It is provided with microswitch 6 in described housing 1，Microswitch 6 electrically connects with motor 3，Described pedestal 2 is provided with the linkage for controlling microswitch 6，One end of described linkage and microswitch 6 are fitted，The other end of linkage supports with the outfan of a resistance block 5 and transmission component respectively and closes.Housing 1 is divided into upper shell and lower house, knife rest 4 is positioned at upper shell, upper shell upper end is provided with end cap, pen bits outlet is on end cap, therefore cover plate 24 is connected to the pen bits outlet place of end cap, and end cap is additionally provided with the insertion hole entered for penholder, the upper end of knife rest 4 is rotatably connected on the lower surface of end cap, and the dead in line in the axis of the cutting insert port of knife rest 4 and insertion hole, the lower surface of end cap is additionally provided with and drives the gear ring of hobboing cutter on knife rest 4, the lower end of upper shell is enclosed structure, and the lower surface of upper shell is arranged with the through hole for the second push rod 29 and the axle traverse of output gear 16, and the periphery of the two of the lower surface of upper shell through holes is equipped with annular protrusion upwards, enter in through hole with pen bits after preventing from cutting pen；The axle of knife rest 4 and output gear 16 is grafting, then, after end cap is opened, it is possible to cutter setting frame 4 is directly changed, change convenient；Pedestal 2, motor 3 and transmission component are respectively positioned in lower house, overtemperature protection system is all carried in general motor 3, the lower surface of bottom 11 sets battery accommodating groove, and what place in general battery accommodating groove is rechargeable battery, then bottom 11 inwall is additionally provided with for the charging circuit plate 31 supporting with rechargeable battery, a pole contact in the contact of battery accommodating groove the two poles of the earth electrically connects with microswitch 6, another pole contact electrically connects with motor 3, and general lower house is additionally provided with external power supply socket, when needing to frequently use for a long time, external power supply is directly used to power, to facilitate the use of user, the two poles of the earth of outlet electrically connect with battery accommodating groove the two poles of the earth contact by after charging circuit plate 31 again, so as stability when charging circuit plate 31 can protect rechargeable battery to charge and prevent situation about overcharging.
Described linkage includes being positioned at the sharpening of housing 1 to be stopped connecting rod 7 and starts connecting rod 8, fine away and stop connecting rod 7 and start connecting rod 8 being all connected with pedestal 2, described sharpening stops on connecting rod 7 and starts being respectively equipped with the first feeler lever 9 and the second feeler lever 10 on connecting rod 8, and the fine away one end and the microswitch 6 that stop connecting rod 7 fit, also fit with microswitch 6 in the one end starting connecting rod 8, described first feeler lever 9 supports with a resistance block 5 and closes, and the outfan of the second feeler lever 10 and transmission component supports and closes；When penholder enters knife rest 4 so that the outfan of transmission component touches the second feeler lever 10, so that the one end starting connecting rod 8 is touched microswitch 6 and is started motor 3；And pen is when being sharpened, nib touches a resistance block 5, and hinders a block 5 and drive the first feeler lever 9, stops connecting rod 7 and touches microswitch 6 so that fine away and close motor 3.
nullHousing 1 below described pedestal 2 is provided with bottom 11，Described microswitch 6 is microswitch open in usual，Described startup connecting rod 8 is " U " font structure，The bottom starting connecting rod 8 " U " font structure is hinged with pedestal 2，The upper surface starting connecting rod 8 one end is connected with the lower end of the second feeler lever 10，The upper end of the second feeler lever 10 is supported with the outfan of transmission component and is closed，And the position starting connecting rod 8 one end contrary with the second feeler lever 10 is provided with the first projection 12，It is provided with the first spring 13 between first protruding 12 and bottom 11，The described middle part stopping connecting rod 7 of fining away is hinged on the position starting connecting rod 8 other end close end，Sharpening stops the upper surface of connecting rod 7 one end and is connected with the lower end of the first feeler lever 9，The upper end of the first feeler lever 9 is supported with a resistance block 5 and is closed，Stopping connecting rod 7 other end of fining away is fitted with microswitch 6，Described startup connecting rod 8 other end is provided with tray 14，Tray 14 is positioned to fine away and stops the lower section of connecting rod 7 other end，And tray 14 upper surface stops the lower surface laminating of connecting rod 7 other end with sharpening；Under the effect of the first spring 13, stopping connecting rod 7 other end of fining away is pressed together in microswitch 6 so that microswitch 6 is closed.
Described transmission component includes input gear 15 and output gear 16, described input gear 15 and output gear 16 are all rotatably connected on the upper surface of pedestal 2, input gear 15 engages with output gear 16, and input gear 15 engages with the outfan of motor 3, output gear 16 and knife rest 4 are in transmission connection, described first feeler lever 9 is positioned at the lower section of output gear 16, and fits in the lower surface of the upper surface of the first feeler lever 9 and output gear 16.
nullIt is provided with adjustment between described second feeler lever 10 and a resistance block 5 and cuts a regulating block for nib thickness 17，Regulating block 17 is slidably connected at the lower surface of pedestal 2，Described housing 1 is provided with shifting block 18，Shifting block 18 is connected by driving lever 19 with regulating block 17，The lower surface of described regulating block 17 is plane，The upper surface of regulating block 17 is inclined-plane，Slide for the first push rod 20 after preventing adjustment extrudes，Inclined-plane is zigzag structure，Simultaneously for the user demand of regulating block 17，Regulating block 17 is provided with column-shaped projection，And driving lever 19 is provided with the bar hole coordinated slided with column-shaped projection，And the lower surface of regulating block 17 with first feeler lever 9 upper surface laminating，Described resistance block 5 is slidably connected on knife rest 4，The lower slide of knife rest 4 is connected to the first push rod 20，There is through hole the lower end of knife rest 4，And the axle of output gear 16 has centre bore，In the hole that the centre bore of through hole and output gear 16 axle that the first push rod 20 is slidably connected at knife rest 4 lower end forms，Fit with a resistance block 5 in the upper end of described first push rod 20，Fit through the upper surface of pedestal 2 and transmission component and regulating block 17 in the lower end of the first push rod 20.
The position hindering a block 5 correspondence on described knife rest 4 is provided with lateral opening 21.
Described regulating block 17 is " H " type structure, and the side of " H " type structure is wedge structure, the opposite side side of the being strip structure of " H " type structure；The lower surface of wedge structure is plane, and the upper surface of wedge structure is inclined-plane, and the lower surface of wedge structure and the second feeler lever 10 upper surface laminating, fits in the lower end of the upper surface of wedge structure and the first push rod 20；The upper surface of described side's strip structure is provided with open slot 22 along its length, and side's strip structure is provided with column-shaped projection, and driving lever 19 is provided with the bar hole coordinated slided with column-shaped projection, and described pedestal 2 lower surface is provided with the guide rail 23 coordinating guiding with open slot 22.
Described housing 1 is provided with pen bits outlet, and pen bits outlet place is provided with cover plate 24, is provided with release mechanism between described cover plate 24 and microswitch 6；When cover plate 24 is opened, it is impossible to open motor 3.
Described release mechanism includes being slidably connected the second push rod 25 in housing 1 and the safe connecting rod 26 on the base 2 that is slidably connected, pedestal 2 is provided with through hole 27, described safe connecting rod 26 upper end is slidably connected in through hole 27, and safe connecting rod 26 upper end with second push rod 25 lower end laminating, described safe connecting rod 26 lower end is provided with bending 28, the upper surface of described bending 28 and microswitch 6 are fitted, and the lower surface of bending 28 is provided with the second projection 29, it is provided with the second spring 30 between described second protruding 29 and bottom 11, the upper end of the second spring 30 is socketed in the second projection 29, the upper end of described second push rod 25 and cover plate 24 are fitted；When cover plate 24 is opened, under the effect of the second spring 30, bending 28 is by microswitch 6 pressing so that microswitch 6 cannot be touched and cannot open motor 3.Bottom 11 is provided with protruding one to one with the first spring 13 and the second spring 30, and the lower end of the first spring 13 and the second spring 30 is socketed in each self-corresponding projection respectively
Embodiment two
The middle part of described startup connecting rod 8 is hinged with pedestal 2, start connecting rod 8 one end to be connected with the lower end of the second feeler lever 10, the upper end of the second feeler lever 10 is supported with the outfan of transmission component and is closed, the described middle part stopping connecting rod 7 of fining away is hinged with startup connecting rod 8, sharpening stops connecting rod 7 one end and is connected with the lower end of the first feeler lever 9, the upper end of the first feeler lever 9 is supported with a resistance block 5 and is closed, and fining away stops connecting rod 7 other end and fit with microswitch 6, and connecting rod 7 other end is spacing is connected for described startup connecting rod 8 other end and stopping of fining away.
As shown in Figure 6, described regulating block 17 is " H " type structure (in the present embodiment, there are three cross bars the centre of H), and the side of " H " type structure is wedge structure, the opposite side side of the being strip structure of " H " type structure；The lower surface of wedge structure is plane, and the upper surface of wedge structure is jagged, and the lower surface of wedge structure and the second feeler lever 10 upper surface laminating, fits in the lower end of the upper surface of wedge structure and the first push rod 20；The upper surface of described side's strip structure is provided with open slot 22 along its length, and side's strip structure is provided with column-shaped projection, and driving lever 19 is provided with the bar hole coordinated slided with column-shaped projection, and described pedestal 2 lower surface is provided with the guide rail 23 coordinating guiding with open slot 22.Driving lever 19 is provided with three shifting blocks, and three shifting blocks are equipped with bar hole, then side's strip structure is provided with and bar hole column-shaped projection one to one, after so arranging, while ensureing stability, it is easier to stir shifting block 18, regulate more laborsaving and quick.
nullOperation principle: under the effect of the first spring 13，The drive rod of microswitch 6 is in stitching state by stopping connecting rod 7 of fining away，Now microswitch 6 is off，And when penholder enters knife rest 4，Knife rest 4 is made to have an action pressed down，Thus driving output gear 16 to move down，Then touch the second feeler lever 10，Make to start the connecting rod 8 drive rod with microswitch 6 to the one end closed to away from the tilting of microswitch 6 direction，So that microswitch 6 opens energising，Now motor 3 is started working and is carried out cutting the process of pen，When pen is sharpened，Nib can withstand on a resistance block 5，Along with cutting proceeding of pen，A resistance block 5 is had the power pressed down by nib，Thus touching the first push rod 20，And the first push rod 20 drives regulating block 17，Regulating block 17 then can touch the first feeler lever 9，The drive rod stopping connecting rod 7 and microswitch 6 so that fine away tilts to the direction of nearly microswitch 6 to the one end closed，Again by the drive rod pressing of microswitch 6，Make microswitch 6 open-circuit line，Now motor 3 quits work；And owing to the middle part stopping connecting rod 7 of fining away is the one end being hinged on and starting connecting rod 8, and startup connecting rod 8 stops connecting rod 7 pressing microswitch 6 by fining away；nullIn the process that then pen is extracted after stopping of fining away，A resistance block 5 first resets，Reset after knife rest 4，And stopping connecting rod 7 of fining away is backed down by drive rod，Now microswitch 6 re-closes circuit，Motor 3 works，Knife rest 4 also can be rotated，And reset with back tool rest 4，Under the elastic force effect of the first spring 13，The one end starting connecting rod 8 makes again to fine away stopping connecting rod 7 by the drive rod pressing again of microswitch 6，Now microswitch 6 open-circuit line，Pull out at this in process of pen，Knife rest 4 may proceed to rotation 2～5 circle (the concrete number of turns is determined) according to actual Demand Design，Thus hobboing cutter is also easier to disengage with nib，Can be effectively prevented the blade of hobboing cutter after originally having cut stopping still having part to be also embedded on pen core or a shell and extract pencil cause that the situation of disconnected core occurs，And the fineness at pencil cutting position is also better；And after cover plate 24 is opened, second push rod 25 is no longer propped up by cover plate 24, then the second push rod 25 moves up under the effect of the second spring 30, and one end of safe connecting rod 26 is supported under the effect of the second spring 30 and is combined on the drive rod of microswitch 6 and makes microswitch 6 be off, even if now knife rest is pressed for 4 times, stopping connecting rod 7 of fining away no longer is pressed under the drive rod of microswitch 6, microswitch 6 is still within off-state, motor 3 cannot be started, only after lid meeting cover plate 24, one end of safe connecting rod 26 just can disengage with the drive rod of microswitch 6, the stopping connecting rod 7 action to microswitch 6 of now fining away just can play the effect controlling motor 3, thus ensureing the safety used.
Above example is only presently preferred embodiments of the present invention, the present invention be not limited only to above example also allow for other structure change, all in rights to independence claimed range of the present invention change, all belong to scope.
Claims (10)
- null1. an electric pencil-sharpening unit，It includes housing (1) and is positioned at the pedestal (2) of housing (1)、Motor (3)、Knife rest (4) and transmission component，Described pedestal (2) is connected with housing (1)，Described motor (3) and transmission component are both connected on pedestal (2)，Described knife rest (4) and housing (1) are rotationally connected，A resistance block (5) it is provided with in knife rest (4)，And knife rest (4) is connected with the outfan of transmission component，It is characterized in that: in described housing (1), be provided with microswitch (6)，Microswitch (6) electrically connects with motor (3)，Described pedestal (2) is provided with the linkage for controlling microswitch (6)，One end of described linkage and microswitch (6) laminating，The other end of linkage supports with the outfan of a resistance block (5) and transmission component respectively and closes.
- 2. electric pencil-sharpening unit according to claim 1, it is characterized in that: described linkage includes being positioned at the sharpening of housing (1) to be stopped connecting rod (7) and starts connecting rod (8), fine away and stop connecting rod (7) and start connecting rod (8) being all connected with pedestal (2), described stopping connecting rod (7) of fining away above and is respectively equipped with the first feeler lever (9) and the second feeler lever (10) in startup connecting rod (8), and fine away one end and microswitch (6) laminating of stopping connecting rod (7), also fit with microswitch (6) in the one end starting connecting rod (8), described first feeler lever (9) is supported with a resistance block (5) and is closed, the outfan of the second feeler lever (10) and transmission component supports and closes；When penholder enters knife rest (4) so that the outfan of transmission component touches the second feeler lever (10), so that the one end starting connecting rod (8) is touched microswitch (6) and is started motor (3)；And pen is when being sharpened, nib touches a resistance block (5), and hinder a block (5) and drive the first feeler lever (9), stop connecting rod (7) shake-up microswitch (6) so that fine away and close motor (3).
- 3. electric pencil-sharpening unit according to claim 2, it is characterized in that: the middle part of described startup connecting rod (8) is hinged with pedestal (2), start connecting rod (8) one end to be connected with the lower end of the second feeler lever (10), the upper end of the second feeler lever (10) is supported with the outfan of transmission component and is closed, the described middle part stopping connecting rod (7) of fining away is hinged with startup connecting rod (8), sharpening stops connecting rod (7) one end and is connected with the lower end of the first feeler lever (9), the upper end of the first feeler lever (9) is supported with a resistance block (5) and is closed, fine away and stop connecting rod (7) other end and microswitch (6) laminating, with fining away, described startup connecting rod (8) other end stops that connecting rod (7) other end is spacing is connected.
- null4. electric pencil-sharpening unit according to claim 2，It is characterized in that: the housing (1) of described pedestal (2) lower section is provided with bottom (11)，Described microswitch (6) is microswitch open in usual，Described startup connecting rod (8) is " U " font structure，The bottom starting connecting rod (8) " U " font structure is hinged with pedestal (2)，The upper surface starting connecting rod (8) one end is connected with the lower end of the second feeler lever (10)，The upper end of the second feeler lever (10) is supported with the outfan of transmission component and is closed，And start the position contrary with the second feeler lever (10), connecting rod (8) one end and be provided with the first projection (12)，It is provided with the first spring (13) between first protruding (12) and bottom (11)，The described middle part stopping connecting rod (7) of fining away is hinged on the position starting connecting rod (8) other end close end，Sharpening stops the upper surface of connecting rod (7) one end and is connected with the lower end of the first feeler lever (9)，The upper end of the first feeler lever (9) is supported with a resistance block (5) and is closed，Fine away and stop connecting rod (7) other end and microswitch (6) laminating，Described startup connecting rod (8) other end is provided with tray (14)，Tray (14) is positioned to fine away and stops the lower section of connecting rod (7) other end，And tray (14) upper surface stops the lower surface laminating of connecting rod (7) other end with sharpening；Under the effect of the first spring (13), stopping connecting rod (7) other end of fining away is pressed together in microswitch (6) so that microswitch (6) is closed.
- 5. the electric pencil-sharpening unit according to claim 3 or 4, it is characterized in that: described transmission component includes input gear (15) and output gear (16), described input gear (15) and output gear (16) are all rotatably connected on the upper surface of pedestal (2), input gear (15) engages with output gear (16), and input gear (15) engages with the outfan of motor (3), output gear (16) and knife rest (4) are in transmission connection, described first feeler lever (9) is positioned at the lower section of output gear (16), and first the lower surface of upper surface and output gear (16) of feeler lever (9) fit.
- null6. electric pencil-sharpening unit according to claim 2，It is characterized in that: be provided with adjustment between described second feeler lever (10) and a resistance block (5) and cut a regulating block for nib thickness (17)，Regulating block (17) is slidably connected at the lower surface of pedestal (2)，Described housing (1) is provided with shifting block (18)，Shifting block (18) is connected by driving lever (19) with regulating block (17)，The lower surface of described regulating block (17) is plane，The upper surface of regulating block (17) is inclined-plane，And the laminating of the lower surface of regulating block (17) and the first feeler lever (9) upper surface，Described resistance block (5) is slidably connected on knife rest (4)，The lower slide of knife rest (4) is connected to the first push rod (20)，The upper end of described first push rod (20) and a resistance block (5) laminating，Fit through the upper surface of pedestal (2) and transmission component and regulating block (17) in the lower end of the first push rod (20).
- 7. electric pencil-sharpening unit according to claim 6, it is characterised in that: the position that described knife rest (4) upper resistance block (5) is corresponding is provided with lateral opening (21).
- 8. electric pencil-sharpening unit according to claim 6, it is characterised in that: described regulating block (17) is " H " type structure, and the side of " H " type structure is wedge structure, the opposite side side of the being strip structure of " H " type structure；The lower surface of wedge structure is plane, and the upper surface of wedge structure is inclined-plane, and the laminating of the lower surface of wedge structure and the second feeler lever (10) upper surface, fits in the lower end of the upper surface of wedge structure and the first push rod (20)；The upper surface of described side's strip structure is provided with open slot (22) along its length, and described pedestal (2) lower surface is provided with the guide rail (23) coordinating guiding with open slot (22).
- 9. electric pencil-sharpening unit according to claim 2, it is characterized in that: described housing (1) is provided with pen bits outlet, pen bits outlet place is provided with cover plate (24), is provided with release mechanism between described cover plate (24) and microswitch (6)；When cover plate (24) is opened, it is impossible to open motor (3).
- null10. electric pencil-sharpening unit according to claim 9，It is characterized in that: described release mechanism includes the second push rod (25) being slidably connected in housing (1) and the safe connecting rod (26) being slidably connected on pedestal (2)，Pedestal (2) is provided with through hole (27)，Described safe connecting rod (26) upper end is slidably connected in through hole (27)，And the laminating of safe connecting rod (26) upper end and the second push rod (25) lower end，Described safe connecting rod (26) lower end is provided with bending (28)，The upper surface of described bending (28) and microswitch (6) laminating，And the lower surface of bending (28) is provided with second protruding (29)，It is provided with the second spring (30) between described second protruding (29) and bottom (11)，The upper end of described second push rod (25) and cover plate (24) laminating；When cover plate (24) is opened, under the effect of the second spring (30), bending (28) is by microswitch (6) pressing so that microswitch (6) cannot be touched and cannot open motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078207.XA CN105730106B (en) | 2016-02-04 | 2016-02-04 | Electric pencil-sharpening unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078207.XA CN105730106B (en) | 2016-02-04 | 2016-02-04 | Electric pencil-sharpening unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105730106A true CN105730106A (en) | 2016-07-06 |
| CN105730106B CN105730106B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078207.XA Active CN105730106B (en) | 2016-02-04 | 2016-02-04 | Electric pencil-sharpening unit |
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| Country | Link |
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| CN (1) | CN105730106B (en) |
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| CN108081836A (en) * | 2018-01-25 | 2018-05-29 | 娄稍栋 | Electro-motion pencil sharpener |
| CN110154603A (en) * | 2019-04-19 | 2019-08-23 | 宁波市宗茂电子商务有限公司 | A kind of pen tip thickness regulating mechanism |
| CN110171240A (en) * | 2019-06-29 | 2019-08-27 | 黑龙江工程学院 | A kind of English marking answer sheet pen automatic pencil knife |
| CN111169206A (en) * | 2020-03-11 | 2020-05-19 | 三木控股集团有限公司 | Electric safety pencil sharpener |
| CN111497509A (en) * | 2020-04-29 | 2020-08-07 | 谢凤良 | Integrated mechanism for controlling pencil sharpening lamp and adjusting pencil point of pencil sharpener and assembling method thereof |
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| CN111169206A (en) * | 2020-03-11 | 2020-05-19 | 三木控股集团有限公司 | Electric safety pencil sharpener |
| CN111497509A (en) * | 2020-04-29 | 2020-08-07 | 谢凤良 | Integrated mechanism for controlling pencil sharpening lamp and adjusting pencil point of pencil sharpener and assembling method thereof |
| CN111497509B (en) * | 2020-04-29 | 2023-08-18 | 谢凤良 | Integrated mechanism with adjustable pencil sharpening lamp control and pencil point of pencil sharpener and assembling method thereof |
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| CN105730106B (en) | 2017-07-14 |
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