CN105730106B - Electric pencil-sharpening unit - Google Patents
Electric pencil-sharpening unit Download PDFInfo
- Publication number
- CN105730106B CN105730106B CN201610078207.XA CN201610078207A CN105730106B CN 105730106 B CN105730106 B CN 105730106B CN 201610078207 A CN201610078207 A CN 201610078207A CN 105730106 B CN105730106 B CN 105730106B
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- China
- Prior art keywords
- connecting rod
- microswitch
- feeler lever
- pedestal
- knife rest
- Prior art date
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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
- B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
Abstract
A kind of electric pencil-sharpening unit, it includes housing (1) and the pedestal (2) in housing (1), motor (3), knife rest (4) and transmission component, the pedestal (2) is connected with housing (1), the motor (3) and transmission component are both connected on pedestal (2), the knife rest (4) rotates with housing (1) and is connected, provided with a resistance block (5) in knife rest (4), and knife rest (4) is connected with the output end of transmission component, microswitch (6) is provided with the housing (1), microswitch (6) is electrically connected with motor (3), the pedestal (2) is provided with the linkage for being used for controlling microswitch (6), fitted with microswitch (6) one end of the linkage, the other end of linkage supports with the output end of a resistance block (5) and transmission component close respectively；Compared with prior art, the present invention have controlling organization is simple, solder joint is less, stability in use is preferable, it is easy to use, worker assembles' efficiency and lower-cost feature can be greatly improved.
Description
Technical field
The invention belongs to technical field of stationery, more particularly to a kind of electric pencil-sharpening unit.
Background technology
At present, the electric pencil-sharpening unit of prior art can be divided into hand electric pencil-sharpening unit and self-action electricity according to using function
Dynamic pencil sharpener；Hand electric pencil-sharpening unit refers to the electric pencil-sharpening unit for needing to open and close by the manual controlled motor of user；And from
Dynamic formula electric pencil-sharpening unit is divided into self-starting electric pencil-sharpening unit and fined away again stops electric pencil-sharpening unit, and self-starting electric pencil-sharpening unit refers to
Insertion pencil is bootable pencil sharpener, and the cutting degree person of needing to use oneself of pencil judges, extracts pencil electric pencil-sharpening unit
It is stopped；Stopping electric pencil-sharpening unit of fining away is alternatively referred to as Full-automatic pencil cutter, refers to that pencil can be self-braking after fining away
Electric pencil-sharpening unit, certainly its be also equipped with function of self-starting.Hand electric pencil-sharpening unit and self-starting electric pencil-sharpening unit in use,
The person of needing to use pays close attention to the situation that pencil sharpener cuts pen at any time, so as in time close pencil sharpener, otherwise pencil easily directly cut to
It can not use, therefore use cumbersome；And although stopping electric pencil-sharpening unit of fining away can automatically control a process of cutting for whole pencil,
Whole controlling organization complex structure, and at least need two switches to use cooperatively, or even also need to integrated circuit board and single-chip microcomputer
To be controlled, the overall volume that this allows for pencil sharpener is larger, and is added significantly to the cost of pencil sharpener, and due to circuit compared with
Many, the solder joint between circuit is also increased by, and pencil sharpener is largely using for students in middle and primary schools, and its use environment is relatively multiple
Miscellaneous, integrated circuit board and single-chip microcomputer receipts ambient influnence are larger, and solder joint is more, the situation that solder joint comes off more easily occurs, therefore
Stability in use is poor, and is also added significantly to the assembling difficulty of workman, and packaging efficiency is relatively low.
The content of the invention
The present invention is for a kind of controlling organization of problem above offer is simple, solder joint is less, stability in use is preferable and can be big
Width improves the electric pencil-sharpening unit of worker assembles' efficiency.
The present invention solve problem above used by technical scheme be：A kind of electric pencil-sharpening unit with following structure is provided,
It includes housing and pedestal, motor, knife rest and transmission component in housing, and the pedestal is connected with housing, the motor
It is both connected to transmission component on pedestal, the knife rest is connected with housing into rotation, provided with a resistance block in knife rest, and knife rest and transmission
Microswitch is provided with the output end connection of component, the housing, microswitch is electrically connected with motor, and the pedestal is provided with use
In the linkage of control microswitch, one end of the linkage is fitted with microswitch, the other end point of linkage
Do not support and close with the output end of a resistance block and transmission component.
After above structure, compared with prior art, the present invention is due to using after linkage, when pen is inserted at knife rest
It is fashionable so that knife rest pushes the output end action for driving transmission component, and the output end of transmission component touches linkage, so that
Touch microswitch and start motor, cut the action of pen, after pen is sharpened, nib will touch a resistance block so that resistance
Block touches linkage, so as to touch microswitch and close motor and realize the function of fining away and stop, therefore entirely starts to
The process stopped of fining away only needs to a microswitch and can be achieved to automatically control, using easier, and phase is just greatly reduced in this
The parts of pass and the solder joint of electrical connection, structure are also relatively simple, can greatly improve the packaging efficiency of workman, reduce production cost,
And linkage preferably, is difficult protected from environmental to the adaptability of environment, and stability in use is preferable.Therefore the present invention has control
Mechanism processed is simple, solder joint is less, stability in use is preferable, it is easy to use, worker assembles' efficiency can be greatly improved and cost is relatively low
The characteristics of.
As improvement, the sharpening that the linkage includes being located in housing stops connecting rod and starts connecting rod, fines away and stops
Connecting rod and start connecting rod and be connected with pedestal, it is described fine away stop on connecting rod and startup connecting rod on be respectively equipped with the first feeler lever and the
Two feeler levers, and fine away stop connecting rod one end fitted with microswitch, startup connecting rod one end also fitted with microswitch, it is described
First feeler lever is supported with a resistance block and closed, and the output end of the second feeler lever and transmission component, which is supported, closes；When penholder enters knife rest so that transmission component
Output end touch the second feeler lever so that start connecting rod one end touch microswitch and start motor；And pen is sharpened
When, nib touches a resistance block, and hinders a block and drive the first feeler lever, touches microswitch so that fining away and stopping connecting rod and closes
Motor；Then the linkage parts of this spline structure are less, also preferable using reliability, ensureing the premise using reliability
Under, further reduce the cost of the present invention.
As a further improvement, the middle part for starting connecting rod is hinged with pedestal, start connecting rod one end and the second feeler lever
Lower end is connected, and the upper end of the second feeler lever and the output end of transmission component are supported and closed, and the middle part for fining away stopping connecting rod connecting with starting
Bar is hinged, and stopping connecting rod one end of fining away is connected with the lower end of the first feeler lever, and the upper end of the first feeler lever is supported with a resistance block is closed, and sharpening is stopped
Only the connecting rod other end is fitted with microswitch, and the startup connecting rod other end stops the spacing connection of the connecting rod other end with fining away；Then
After so setting, on the premise of linkage stability in use is ensured, further reduce the volume of linkage so that this hair
Bright entirety is compacter, and volume is smaller.
As further improving, the housing below the pedestal is provided with bottom, and the microswitch is open in usual
Microswitch, the startup connecting rod is " U " font structure, and the bottom for starting connecting rod " U " font structure is hinged with pedestal, is started and is connected
The upper surface of bar one end is connected with the lower end of the second feeler lever, and the upper end of the second feeler lever and the output end of transmission component are supported and closed, and are opened
Dynamic connecting rod one end position opposite with the second feeler lever is raised provided with first, and the first spring is provided between the first projection and bottom,
Described fine away stops being hinged in the middle part of connecting rod at the position for starting connecting rod other end close end, fines away and stops the upper of connecting rod one end
End face is connected with the lower end of the first feeler lever, and the upper end of the first feeler lever is supported with a resistance block closes, and fines away and stops the connecting rod other end and fine motion
Switch laminating, the startup connecting rod other end is provided with tray, and tray, which is located to fine away, stops the lower section of the connecting rod other end, and on tray
Fit the lower surface that end face stops the connecting rod other end with fining away；In the presence of the first spring, fine away and stop another side pressure of connecting rod
Close on microswitch so that microswitch is closed；After then so setting, ensureing linkage stability in use
On the premise of, while further reducing the volume of linkage, it can further increase electric motor starting and the sensitivity stopped, section
The consumption of battery electric quantity is saved, is extended after the use time of battery, and the first spring and tray setting so that after point of pleasing correct,
During extraction, the stopping connecting rod other end of fining away first resets, and starts connecting rod because pen is also delayed in knife rest, therefore first
Spring can also drive several circles of blade holder turns to starting motor during connecting rod resets, then now hobboing cutter is also the rolling in motion
Knife is also easier to disengage with nib, can effectively prevent that the blade for originally having cut hobboing cutter after stopping from still having part to be also embedded in pen
Pencil is extracted on core or a shell causes the situation of disconnected core to occur, and the finish at pencil cutting position is also preferable.
As further improving, the transmission component includes input gear and output gear, the input gear and defeated
Go out the upper surface that gear is rotatably connected on pedestal, input gear is engaged with output gear, and the output of input gear and motor
End engagement, output gear is connected with knife rest, and first feeler lever is located at the lower section of output gear, and the upper end of the first feeler lever
Fitted with the lower surface of output gear in face；Then the transmission component parts of this structure are less, and stability in use is also preferable, simultaneously
Overall compactedness is also preferable after being assembled with linkage, can improve the utilization ratio in space in housing, and then reduce the present invention
Overall volume.
As further improving, a regulation for nib thickness is cut provided with regulation between second feeler lever and a resistance block
Block, regulating block is slidably connected at the lower surface of pedestal, and the housing is provided with shifting block, and shifting block is connected with regulating block by driving lever,
The lower surface of the regulating block is plane, and the upper surface of regulating block is inclined-plane, and the lower surface of regulating block and the second feeler lever upper end
Face is fitted, and a resistance block is slidably connected on knife rest, and the lower slide of knife rest is connected with the first push rod, first push rod
Upper end is fitted with a resistance block, and the lower end of the first push rod is fitted through pedestal and transmission component with the upper surface of regulating block；Then nib
After the regulating block of thickness is set, using flexibility preferably, the different use demand of user can be met；And the nib of this structure
Thickness governor motion, simple in construction, parts are relatively fewer, and the space of occupancy is also relatively small, also preferable using reliability.
As further improving, to be hindered on the knife rest and be provided with lateral opening at the corresponding position of a block；Then opening is set
Postpone so that the pen core of fracture can not only be sidewindered in the past to drop in the gap of knife, and pen core can also drop at opening, and i.e.
Relatively thick pen core is set to be dropped from knife rest, so as to prevent that original thicker pen core from can not drop in the gap of hobboing cutter
And the situation for leading to not normally cut pen occurs, the use reliability of the present invention is further improved.
As further improving, the regulating block is " H " type structure, and the side of " H " type structure is wedge structure, " H "
The opposite side of type structure is square bar structure；The lower surface of wedge structure is plane, and the upper surface of wedge structure is inclined-plane, and wedge
The lower surface of shape structure is fitted with the first feeler lever upper surface, and the upper surface of wedge structure is fitted with the lower end of the first push rod；It is described
The upper surface of square bar structure is provided with open slot along its length, and the pedestal lower surface is provided with coordinates what is be oriented to open slot
Guide rail；Then " H " type structure is favorably with avoiding other parts in housing, and the combination of open slot and guide rail is further being improved
The use reliability of regulating block not ensure that the reliability fined away and stopped to regulating block lower limit again simultaneously.
As further improving, described housing is considered to be worth doing provided with pen be provided with cover plate at outlet, pen bits outlet, described
Release mechanism is provided between cover plate and microswitch；When cover plate is opened, it is impossible to open motor；, can be effective after then so setting
Ground prevents that user's finger enters false touch in housing after cover plate is opened and starting motor causes the injured situation of user to occur,
Ensure the safety in utilization of the present invention.
As further improving, the release mechanism includes the second push rod being slidably connected in housing and is slidably connected at
Safe connecting rod on pedestal, pedestal is provided with through hole, and the safe connecting rod upper end is slidably connected in through-holes, and on safe connecting rod
End is fitted with the second push rod lower end, and the safe connecting rod lower end is provided with bending, and the upper surface of the bending is fitted with microswitch,
And the lower surface of bending is raised provided with second, second spring is provided between second projection and bottom, second push rod
Fitted with cover plate upper end；When cover plate is opened, in the presence of second spring, bending presses microswitch so that fine motion is opened
Pass can not touch and can not open motor；Then such release mechanism is also purely mechanic mechanism, and not only parts are less, using can
It is also preferable by property, while not needing special instrument during assembling so that the packaging efficiency of workman preferably, can further reduce this hair
Bright preparation cost.
Brief description of the drawings
Fig. 1 is the partial sectional view of electric pencil-sharpening unit of the present invention.
Fig. 2 is the structural representation of part below electric pencil-sharpening unit pedestal of the present invention.
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 that electric pencil-sharpening unit nib thickness of the present invention adjusts part.
Fig. 6 is the structural representation that electric pencil-sharpening unit nib thickness of the present invention adjusts section Example two.
As shown in the figure：1st, housing, 2, pedestal, 3, motor, 4, knife rest, 5, a resistance block, 6, microswitch, 7, fining away stops connecting
Bar, 8, start connecting rod, the 9, first feeler lever, the 10, second feeler lever, 11, bottom, 12, first is raised, the 13, first spring, and 14, tray,
15th, input gear, 16, output gear, 17, regulating block, 18, shifting block, 19, driving lever, the 20, first push rod, 21, opening, 22, opening
Groove, 23, guide rail, 24, cover plate, the 25, second push rod, 26, safe connecting rod, 27, through hole, 28, bending, 29, second is raised, and 30, the
Two springs, 31, charging circuit plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Embodiment one
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of electric pencil-sharpening unit, it includes housing 1 and in housing 1
Pedestal 2, motor 3, knife rest 4 and transmission component are (certainly also including other parts, but due to being related to the invention of the invention
Point, therefore will not be repeated here), the pedestal 2 is connected with housing 1, and the motor 3 and transmission component are all connected with the base 2, institute
State knife rest 4 to be connected with the rotation of housing 1, provided with a resistance block 5 in knife rest 4, and knife rest 4 is connected with the output end of transmission component, described
Microswitch 6 is provided with housing 1, microswitch 6 is electrically connected with motor 3, the pedestal 2, which is provided with, to be used to control microswitch 6
Linkage, one end of the linkage fits with microswitch 6, the other end of linkage respectively with a resistance block 5 and
The output end of transmission component, which is supported, closes.1 point of housing is upper shell and lower house, and knife rest 4 is located in upper shell, and upper shell upper end is provided with
End cap, pen bits outlet is on end cap, therefore cover plate 24 is connected at the pen of end cap bits outlet, and is additionally provided with end cap and is supplied penholder
The patchhole entered, the upper end of knife rest 4 is rotatably connected on the lower surface of end cap, and the axis of the cutting insert port of knife rest 4 is with inserting
The axis for entering hole is overlapped, and the gear ring of hobboing cutter on driving knife rest 4 is additionally provided with the lower surface of end cap, the lower end of upper shell is closed
Structure, and the through hole passed through for the axle of the second push rod 29 and output gear 16, and upper casing are arranged with the lower surface of upper shell
The periphery of two through holes of the lower surface of body is equipped with upward annular protrusion, is entered with preventing from cutting pen bits after pen in through hole；
The axle of knife rest 4 and output gear 16 is grafting, then after end cap opening, can directly be changed, be changed more with cutter setting frame 4
It is convenient；Pedestal 2, motor 3 and transmission component are respectively positioned in lower house, and overtemperature protection system, bottom 11 are carried in general motor 3
Lower surface on set battery accommodating groove, and rechargeable battery is placed in general battery accommodating groove, then the inwall of bottom 11 is additionally provided with
For the charging circuit plate 31 supporting with rechargeable battery, a pole contact and the electricity of microswitch 6 in the contact of battery accommodating groove the two poles of the earth
Connection, another pole contact is electrically connected with motor 3, and is additionally provided with external power supply socket on general lower house, it is necessary to for a long time frequently
In use, directly being powered using external power supply, with the use of convenient use person, the two poles of the earth of outlet pass through charging circuit plate 31
Electrically connected again with battery accommodating groove the two poles of the earth contact afterwards, stability when so as to charging circuit plate 31 rechargeable battery can be protected to charge and
Prevent situation about overcharging.
The sharpening that the linkage includes being located in housing 1 stops connecting rod 7 and starts connecting rod 8, fines away and stops the He of connecting rod 7
Start connecting rod 8 to be connected with pedestal 2, described fine away stops on connecting rod 7 and started to be respectively equipped with the first feeler lever 9 and the on connecting rod 8
Two feeler levers 10, and fine away stop connecting rod 7 one end fitted with microswitch 6, startup connecting rod 8 one end also pasted with microswitch 6
Close, first feeler lever 9 is supported with a resistance block 5 and closed, the second feeler lever 10 is supported with the output end of transmission component and closed；When penholder enters knife rest 4,
So that the output end of transmission component touches the second feeler lever 10, so that the one end for starting connecting rod 8 is touched microswitch 6 and 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 so that fining away
Bar 7 touches microswitch 6 and closes motor 3.
The housing 1 of the lower section of pedestal 2 is provided with bottom 11, and the microswitch 6 is microswitch open in usual, described
Startup connecting rod 8 is " U " font structure, and the bottom for starting connecting rod 8 " U " font structure is hinged with pedestal 2, starts the one end of connecting rod 8
Upper surface is connected with the lower end of the second feeler lever 10, and the upper end of the second feeler lever 10 and the output end of transmission component are supported and closed, and start company
The one end of bar 8 position opposite with the second feeler lever 10 is provided with the first projection 12, and first is provided between the first projection 12 and bottom 11
Spring 13, the middle part for fining away stopping connecting rod 7 is hinged at the position for starting the other end close end of connecting rod 8, is fined away and is stopped connecting
The upper surface of the one end of bar 7 is connected with the lower end of the first feeler lever 9, and the upper end of the first feeler lever 9 is supported with a resistance block 5 closes, and fines away and stops connecting
The other end of bar 7 is fitted with microswitch 6, and startup connecting rod 8 other end is provided with tray 14, and tray 14, which is located to fine away, stops connecting rod
The lower section of 7 other ends, and the upper surface of tray 14 with fine away stop the other end of connecting rod 7 lower surface fit；In the first spring 13
Under effect, the stopping other end of connecting rod 7 of fining away is pressed together on microswitch 6 so that microswitch 6 is closed.
The transmission component includes input gear 15 and output gear 16, and the input gear 15 and output gear 16 turn
The dynamic upper surface for being connected to pedestal 2, input gear 15 is engaged with output gear 16, and the output end of input gear 15 and motor 3
Engagement, output gear 16 is connected with knife rest 4, and first feeler lever 9 is located at the lower section of output gear 16, and the first feeler lever 9
Upper surface fitted with the lower surface of output gear 16.
A regulating block for nib thickness 17 is cut provided with regulation between second feeler lever 10 and a resistance block 5, regulating block 17 is slided
The dynamic lower surface for being connected to pedestal 2, the housing 1 is provided with shifting block 18, and shifting block 18 is connected with regulating block 17 by driving lever 19, institute
The lower surface for stating regulating block 17 is plane, and the upper surface of regulating block 17 is inclined-plane, to prevent after regulation the first push rod 20 to extrude
Slide, inclined-plane is zigzag structure, while for the use demand of regulating block 17, regulating block 17 is provided with column-shaped projection, and dials
Bar 19 is provided with the bar hole for the cooperation slided with column-shaped projection, and the lower surface of regulating block 17 is fitted with the upper surface of the first feeler lever 9,
A resistance block 5 is slidably connected on knife rest 4, and the lower slide of knife rest 4 is connected with the first push rod 20, and the lower end of knife rest 4 has logical
Hole, and the axle of output gear 16 has centre bore, the first push rod 20 is slidably connected at the through hole and the axle of output gear 16 of the lower end of knife rest 4
Centre bore composition hole in, the upper end of first push rod 20 is fitted with a resistance block 5, and the lower end of the first push rod 20 is through pedestal
2 and transmission component fitted with the upper surface of regulating block 17.
Hindered on the knife rest 4 and lateral opening 21 is provided with the corresponding position of a block 5.
The regulating block 17 is " H " type structure, and the side of " H " type structure is wedge structure, and the opposite side of " H " type structure is
Square bar 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 with
The upper surface of second feeler lever 10 is fitted, and the upper surface of wedge structure is fitted with the lower end of the first push rod 20；The square bar structure
Upper surface is provided with open slot 22 along its length, and square bar structure is provided with column-shaped projection, and driving lever 19 is provided with convex with cylindricality
The bar hole for the cooperation slided is acted, the lower surface of pedestal 2 is provided with coordinates the guide rail 23 being oriented to open slot 22.
Described housing 1 is considered to be worth doing provided with pen and be provided with cover plate 24 at outlet, pen bits outlet, and the cover plate 24 is opened with fine motion
Release mechanism is provided between closing 6；When cover plate 24 is opened, it is impossible to open motor 3.
The release mechanism includes the second push rod 25 being slidably connected in housing 1 and the safety being slidably connected on the base 2
Connecting rod 26, pedestal 2 is provided with through hole 27, and the upper end of safe connecting rod 26 is slidably connected in through hole 27, and on safe connecting rod 26
End is fitted with the lower end of the second push rod 25, and the lower end of safe connecting rod 26 is provided with bending 28, the upper surface of the bending 28 and fine motion
Switch 6 is fitted, and the lower surface of bending 28 is provided with the second projection 29, and the second bullet is provided between second projection 29 and bottom 11
Spring 30, the upper end of second spring 30 is socketed in the second projection 29, and the upper end of second push rod 25 is fitted with cover plate 24；Work as lid
Plate 24 open when, in the presence of second spring 30, bending 28 presses microswitch 6 so that microswitch 6 can not touch and
Motor 3 can not be opened.Bottom 11 is provided with one-to-one raised with the first spring 13 and second spring 30, the He of the first spring 13
The lower end of second spring 30 is socketed in each self-corresponding projection respectively
Embodiment two
The middle part for starting connecting rod 8 is hinged with pedestal 2, is started the one end of connecting rod 8 and is connected with the lower end of the second feeler lever 10, the
The upper end of two feeler levers 10 and the output end of transmission component, which are supported, is closed, and the middle part for stopping connecting rod 7 of fining away is hinged with starting connecting rod 8,
Sharpening stops the one end of connecting rod 7 and is connected with the lower end of the first feeler lever 9, and upper end and the resistance block 5 of the first feeler lever 9 support conjunction, fine away and stop
The other end of connecting rod 7 is fitted with microswitch 6, and the startup other end of connecting rod 8 stops the spacing connection of the other end of connecting rod 7 with fining away.
As shown in fig. 6, the regulating block 17 is " H " type structure (in the present embodiment, there are three cross bars H centre), " H " type
The side of structure is wedge structure, and the opposite side of " H " type structure is square bar structure；The lower surface of wedge structure is plane, wedge
The upper surface of shape structure is jagged face, and the lower surface of wedge structure fits with the upper surface of the second feeler lever 10, wedge structure
Upper surface fitted with the lower end of the first push rod 20；The upper surface of the square bar structure is provided with open slot along its length
22, square bar structure is provided with column-shaped projection, and driving lever 19 is provided with the bar hole for the cooperation slided with column-shaped projection, the pedestal
2 lower surfaces are provided with coordinates the guide rail 23 being oriented to open slot 22.Driving lever 19 is provided with three shifting blocks, three shifting blocks and is equipped with bar shaped
Hole, then square bar structure be provided with the one-to-one column-shaped projection of bar hole, so set after, guarantee stability it is same
When, it is easier to shifting block 18 is stirred, is adjusted more laborsaving and quick.
Operation principle：In the presence of the first spring 13, fine away and stop connecting rod 7 by the drive rod of microswitch 6 in pressure
Conjunction state, now microswitch 6 be off, and when penholder enters knife rest 4 so that knife rest 4 has an action pushed,
So as to drive output gear 16 to move down, then the second feeler lever 10 is touched so that start the drive rod of connecting rod 8 and microswitch 6
Tilt, be powered so that microswitch 6 is opened, now motor 3 is started working to away from the direction of microswitch 6 to one end of conjunction
Cut the process of pen, when pen is sharpened, nib can be withstood on a resistance block 5, with proceeding for pen is cut, nib is to resistance pen
Block 5 has the power pushed, so that the first push rod 20 is touched, and the first push rod 20 drives regulating block 17, and regulating block 17 can then be touched
Dynamic first feeler lever 9, the one end closed is supported to nearly microswitch 6 so that fining away and stopping connecting rod 7 with the drive rod of microswitch 6
Direction is tilted, and is again pressed the drive rod of microswitch 6 so that the open-circuit line of microswitch 6, and now motor 3 is stopped；
And the middle part for stopping connecting rod 7 due to fining away is to be hinged on the one end for starting connecting rod 8, and starting connecting rod 8 is stopped by fining away
The pressing microswitch 6 of connecting rod 7；During then pen is extracted after stopping of fining away, a resistance block 5 first resets, and is resetted after knife rest 4,
And stopping connecting rod 7 of fining away is opened by drive rod top, now microswitch 6 re-closes circuit, and motor 3 works so that knife rest 4
It can also rotate, and be resetted with back tool rest 4, under the elastic force effect of the first spring 13, the one end for starting connecting rod 8 to fine away to stop again
Connecting rod 7 presses the drive rod of microswitch 6 again, now the open-circuit line of microswitch 6, during pulling out pen herein, knife rest 4
The circle of rotation 2~5 (the specific number of turns is determined according to actual Demand Design) is may proceed to, thus hobboing cutter is also easier to de- with nib
Open, can effectively prevent that the blade for originally having cut hobboing cutter after stopping from still having part to be also embedded on pen core or a shell and extract pencil
The situation of disconnected core is caused to occur, and the finish at pencil cutting position is also preferable；And after cover plate 24 is opened, the second push rod 25
No longer propped up by cover plate 24, then the second push rod 25 is moved up in the presence of second spring 30, and one end of safe connecting rod 26
Support to close in the presence of second spring 30 and cause that microswitch 6 is off on the drive rod of microswitch 6, be now
Push knife rest 4, stopping connecting rod 7 of fining away no longer is pushed to the drive rod of microswitch 6, and microswitch 6 is still within disconnecting shape
State, it is impossible to start motor 3, only after lid meeting cover plate 24, one end of safe connecting rod 26 can just take off with the drive rod of microswitch 6
Open, action of the stopping connecting rod 7 to microswitch 6 of now fining away can just play a part of controlled motor 3, so as to ensure the peace used
Quan Xing.
Above example is only presently preferred embodiments of the present invention, and the present invention, which is not limited only to above example, also allows have other knots
Structure changes, all to change in rights to independence claimed range of the present invention, belongs to the scope of the present invention.
Claims (9)
1. a kind of electric pencil-sharpening unit, it include housing (1) and pedestal (2) in housing (1), motor (3), knife rest (4) and
Transmission component, the pedestal (2) is connected with housing (1), and the motor (3) and transmission component are both connected on pedestal (2), described
Knife rest (4) is rotated with housing (1) and is connected, provided with a resistance block (5) in knife rest (4), and the output end of knife rest (4) and transmission component connects
Connect, it is characterised in that：Microswitch (6) is provided with the housing (1), microswitch (6) is electrically connected with motor (3), the base
Seat (2) is provided with the linkage for being used for controlling microswitch (6), and one end of the linkage is fitted with microswitch (6),
The other end of linkage supports with the output end of a resistance block (5) and transmission component close respectively；The linkage includes being located at shell
Sharpening in body (1) stops connecting rod (7) and starts connecting rod (8), fine away stop connecting rod (7) and startup connecting rod (8) with pedestal (2)
Connection, described fine away stops being respectively equipped with the first feeler lever (9) and the second feeler lever (10) on connecting rod (7) and on startup connecting rod (8), and
One end that sharpening stops connecting rod (7) is fitted with microswitch (6), and the one end for starting connecting rod (8) is also fitted with microswitch (6),
First feeler lever (9) is supported with a resistance block (5) and closed, and the second feeler lever (10) is supported with the output end of transmission component and closed；Penholder enters knife rest
(4) when so that the output end of transmission component touches the second feeler lever (10), so that fine motion is touched in the one end for starting connecting rod (8)
Switch (6) and start 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), touch microswitch (6) so that fining away and stopping connecting rod (7) and close motor (3).
2. electric pencil-sharpening unit according to claim 1, it is characterised in that：The middle part for starting connecting rod (8) and pedestal (2)
Be hinged, start connecting rod (8) one end and be connected with the lower end of the second feeler lever (10), the upper end of the second feeler lever (10) and transmission component it is defeated
Go out end and support conjunction, the middle part for stopping connecting rod (7) of fining away is hinged with starting connecting rod (8), stopping connecting rod (7) one end and first of fining away
The lower end connection of feeler lever (9), the upper end of the first feeler lever (9) is supported with a resistance block (5) and closed, fine away stop connecting rod (7) other end with it is micro-
Dynamic switch (6) laminating, startup connecting rod (8) other end stops the spacing connection of connecting rod (7) other end with fining away.
3. electric pencil-sharpening unit according to claim 1, it is characterised in that：Housing (1) below the pedestal (2) is provided with
Bottom (11), the microswitch (6) is microswitch open in usual, and the startup connecting rod (8) is " U " font structure, is started
The bottom of connecting rod (8) " U " font structure is hinged with pedestal (2), starts the upper surface and the second feeler lever (10) of connecting rod (8) one end
Lower end is connected, and the upper end of the second feeler lever (10) and the output end of transmission component are supported and closed, and start connecting rod (8) one end and the second feeler lever
(10) opposite position is provided with the first spring (13) provided with first raised (12) between first raised (12) and bottom (11),
Described fine away stops being hinged in the middle part of connecting rod (7) at the position for starting connecting rod (8) other end close end, fines away and stops connecting rod
(7) upper surface of one end is connected with the lower end of the first feeler lever (9), and the upper end of the first feeler lever (9) is supported with a resistance block (5) closes, and fines away
Stop connecting rod (7) other end to fit with microswitch (6), described startup connecting rod (8) other end is provided with tray (14), tray (14)
The lower section for stopping connecting rod (7) other end positioned at fining away, and tray (14) upper surface stops the lower end of connecting rod (7) other end with fining away
Fit in face；In the presence of the first spring (13), stopping connecting rod (7) other end of fining away is pressed together on microswitch (6) so that micro-
Dynamic switch (6) is closed.
4. the electric pencil-sharpening unit according to Claims 2 or 3, it is characterised in that：The transmission component includes input gear
(15) and output gear (16), the input gear (15) and output gear (16) are rotatably connected on the upper surface of pedestal (2),
Input gear (15) is engaged with output gear (16), and input gear (15) is engaged with the output end of motor (3), output gear
(16) it is connected with knife rest (4), first feeler lever (9) is located at the lower section of output gear (16), and the first feeler lever (9) is upper
End face is fitted with the lower surface of output gear (16).
5. electric pencil-sharpening unit according to claim 1, it is characterised in that：Second feeler lever (10) with resistance a block (5) it
Between provided with regulation cut a regulating block for nib thickness (17), regulating block (17) is slidably connected at the lower surface of pedestal (2), the shell
Body (1) is provided with shifting block (18), and shifting block (18) is connected with regulating block (17) by driving lever (19), the lower end of the regulating block (17)
Face is plane, and the upper surface of regulating block (17) is inclined-plane, and the lower surface of regulating block (17) is pasted with the first feeler lever (9) upper surface
Close, a resistance block (5) is slidably connected on knife rest (4), and the lower slide of knife rest (4) is connected with the first push rod (20), described
The upper end of first push rod (20) is fitted with a resistance block (5), and the lower end of the first push rod (20) passes through pedestal (2) and transmission component with adjusting
The upper surface laminating of locking nub (17).
6. electric pencil-sharpening unit according to claim 5, it is characterised in that：The corresponding position of a block (5) is hindered on the knife rest (4)
Put place and be provided with lateral opening (21).
7. electric pencil-sharpening unit according to claim 5, it is characterised in that：The regulating block (17) is " H " type structure, " H "
The side of type structure is wedge structure, and the opposite side of " H " type structure is square bar structure；The lower surface of wedge structure is plane,
The upper surface of wedge structure is inclined-plane, and the lower surface of wedge structure fits with the second feeler lever (10) upper surface, wedge structure
Fitted with the lower end of the first push rod (20) upper surface；The upper surface of the square bar structure is provided with open slot along its length
(22), pedestal (2) lower surface is provided with coordinates the guide rail (23) being oriented to open slot (22).
8. electric pencil-sharpening unit according to claim 1, it is characterised in that：Described housing (1) considers outlet to be worth doing provided with pen,
Cover plate (24) is provided with pen bits outlet, release mechanism is provided between the cover plate (24) and microswitch (6)；When cover plate (24)
During opening, it is impossible to open motor (3).
9. electric pencil-sharpening unit according to claim 8, it is characterised in that：The release mechanism includes the housing that is slidably connected
(1) the second push rod (25) in and the safe connecting rod (26) being slidably connected on pedestal (2), pedestal (2) are provided with through hole (27),
Safe connecting rod (26) upper end is slidably connected in through hole (27), and safe connecting rod (26) upper end and the second push rod (25) lower end
Laminating, safe connecting rod (26) lower end is provided with bending (28), and the upper surface of the bending (28) is fitted with microswitch (6),
And the lower surface of bending (28) is provided with second spring provided with second raised (29) between described second raised (29) and bottom (11)
(30), the upper end of second push rod (25) is fitted with cover plate (24)；When cover plate (24) is opened, the work in second spring (30)
Under, bending (28) presses microswitch (6) so that microswitch (6) can not touch and can not 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 CN105730106A (en) | 2016-07-06 |
| CN105730106B true 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105730106B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089083B (en) * | 2017-04-20 | 2018-12-28 | 徐雪娇 | Incude automatic pencil sharpener |
| 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 |
| CN110171240B (en) * | 2019-06-29 | 2020-11-24 | 黑龙江工程学院 | Automatic pencil sharpener for card coating pen of English answer sheet |
| CN111169206A (en) * | 2020-03-11 | 2020-05-19 | 三木控股集团有限公司 | Electric safety pencil sharpener |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526096C (en) * | 2006-12-26 | 2009-08-12 | 煜日升电子(深圳)有限公司 | Electric pencil sharpener |
| US7455087B2 (en) * | 2007-01-04 | 2008-11-25 | King Biu Mak | Electric sharpener for writing instruments |
| CN201309353Y (en) * | 2008-11-17 | 2009-09-16 | 煜日升电子(深圳)有限公司 | Electric pencil sharpener |
| CN202071596U (en) * | 2011-06-02 | 2011-12-14 | 林亚芬 | Automatic pencil-stopping structure for electric pencil sharpener |
| CN203449822U (en) * | 2013-09-23 | 2014-02-26 | 娄宗茂 | Electric planing knife |
| CN205523270U (en) * | 2016-02-04 | 2016-08-31 | 宁海县金益文具有限公司 | Electric pencil sharpener |
-
2016
- 2016-02-04 CN CN201610078207.XA patent/CN105730106B/en active Active
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| CN105730106A (en) | 2016-07-06 |
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