CN110103618A - A kind of automatic entrance-exit penknife - Google Patents
A kind of automatic entrance-exit penknife Download PDFInfo
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- CN110103618A CN110103618A CN201910371464.6A CN201910371464A CN110103618A CN 110103618 A CN110103618 A CN 110103618A CN 201910371464 A CN201910371464 A CN 201910371464A CN 110103618 A CN110103618 A CN 110103618A
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- Prior art keywords
- gear
- reversing arrangement
- exit
- pencil
- cutting
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/002—Sharpeners for pencils or leads with continuous conveying means for the pencil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/02—Sharpeners for pencils or leads with gearing
- B43L23/04—Sharpeners for pencils or leads with gearing with cranked handles
Abstract
The present invention provides a kind of automatic entrance-exit penknifes, belong to technical field of stationery.It solves the problems, such as that existing penknife cuts a low efficiency and to cut an effect bad.This automatic entrance-exit penknife includes shell, retreat a mechanism, cutting mechanism, driving mechanism, detection device, the rotation of driving mechanism driving and cutting mechanism, the mechanism that retreats is in sharpening pencil for driving pencil into pen or moving back pen, detection device is for detecting whether pencil cutting is completed, the mechanism that retreats is equipped with clamping device and reversing arrangement, reversing arrangement is equipped with the preceding carousel gear being oppositely arranged and rear disk gear, transmission gear is equipped between preceding carousel gear and rear disk gear, and transmission gear can respectively with preceding carousel gear and the engagement of rear disk gear and switch between separating, reversing arrangement can move reciprocatingly along axis direction, the mechanism that retreats is in sharpening pencil for driving pencil into pen or moving back pen.Structure of the invention is compact, easy to use, and it is good to cut an effect.
Description
Technical field
The invention belongs to technical field of stationery, in particular to a kind of automatic entrance-exit penknife.
Background technique
Penknife is student's style apparatus used in everyday, and penknife includes shell, penknife structure, rocking handle etc. earlier.
During penknife cuts pen, pencil is firmly inserted into the pen plughole of knife rest by user, and the pencil in knife rest is by knife rest
Interior hobboing cutter is cut, and in the process, user, which needs to apply a forward thrust to pencil always, just makes pencil
Front end can constantly be cut to the state of needs.After the completion of sharpening a pencil, pencil is pulled out out of knife rest to opposite pulling force.
China Patent No. be 201420749399.9 a kind of automatic pencil sharpener into pen device, disclose striking gear packet
Turning wheel, gear and idler wheel are included, turning wheel is engaged with gear, and the aid portion of pencil is formed in the middle part of two idler wheels.Turning wheel and knife
Frame is fixedly connected, and turning wheel follows rocking handle to rotate and idler wheel is driven to rotate, the rotation of idler wheel will drive pencil to knife rest direction into
Pen, to achieve the purpose that, in sharpening pencil automatically into pen, therefore in sharpening pencil, there is no need to users to provide thrust.
Automatic entrance-exit penknife currently on the market is to realize that, into pen, completion inverts again after cutting pen by rotating forward wind
Pen is moved back in wind realization, and is unaware that when cut pen completes, and affects efficiency, while also will affect and cutting an effect, causes lead
Pen core point excessively is easily broken off.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of easy to use and structure is provided
Compact automatic entrance-exit penknife.
Object of the invention can be realized by the following technical scheme: a kind of automatic entrance-exit penknife, including shell, advance and retreat
Mechanism, cutting mechanism, driving mechanism, detection device, the driving mechanism driving and cutting mechanism rotation, the advance and retreat pen
In sharpening pencil for driving pencil into pen or moving back pen, whether the detection device is complete for detecting pencil cutting for mechanism
At, which is characterized in that the advance and retreat mechanism is equipped with clamping device and reversing arrangement, and the reversing arrangement is equipped with phase
To the preceding carousel gear and rear disk gear of setting, transmission gear is equipped between the preceding carousel gear and rear disk gear,
And the transmission gear can be engaged with preceding carousel gear and rear disk gear respectively, the reversing arrangement can be along axis direction
It moves reciprocatingly, when into pen, reversing arrangement is close to cutting mechanism, and carousel gear and rear disk gear are same before cutting mechanism drives
To rotation, when moving back, for reversing arrangement far from cutting mechanism, cutting mechanism drives the rotation of rear disk gear, passes through transmission gear
Carousel gear and rear disk gear reversely rotate before driving.
The working principle of the invention: insertion pencil, gripping means grips pencil move pencil continuation with hand push and move inside
And carousel gear moves inward before forcing, carousel gear is located at close to rear disk gear position, preceding carousel gear and rear disk tooth
Wheel clamps transmission gear, so that preceding carousel gear and rear disk gear enough rotate in same direction, during cutting, retreat a mechanism
Drive pencil into pen, when cutting completion, reversing arrangement starting, so that preceding carousel gear is transported to the direction far from rear disk gear
Dynamic, carousel gear rotates before rear disk gear is driven by transmission gear, so that the rotation of preceding carousel gear and rear disk gear
It is contrary, at this point, a mechanism driving pencil of retreating moves back pen.The present invention is able to detect whether pencil cuts completion, passes through control
The relativeness of preceding carousel gear and rear disk gear realizes the commutation of pencil direction of travel, without adjusting the rotation of cutting mechanism
Turn direction.And the present invention only passes through three gears that the conversion in direction can be realized, structure is simple, can be larger about diminution penknife
Volume, keep penknife lighter.
In a kind of above-mentioned automatic entrance-exit penknife, the clamping device includes two conveying axis disposed in parallel,
The idler wheel of driven gear and indent is equipped on the conveying axis, two driven gears are oppositely arranged, before described
Carousel gear is equipped with transmission rib, and two driven gears are engaged with transmission rib respectively, the preceding carousel gear
It drives idler wheel to rotate around conveying axis axis direction when rotation, flexible fastening piece is provided on the conveying axis, described in two
Idler wheel is staggered under flexible fastening piece free state, and pencil forces two idler wheel alignment when being inserted into, and causes flexible fastening piece
The elastic force of fixed pencil is provided.
In a kind of above-mentioned automatic entrance-exit penknife, the detection device includes that plucking piece and plectrum reset bullet
Spring, the plucking piece can move reciprocatingly along the axis direction of cutting mechanism, and pencil can push institute during into pen
The plucking piece stated, the plucking piece can be stirred and start reversing arrangement.
In a kind of above-mentioned automatic entrance-exit penknife, the reversing arrangement includes lock uint, switching device and answers
Position device, the lock uint make preceding carousel gear keep forward position, the switching device for fixing reversing arrangement
Sealed, described resetting apparatus, which is released, with detection device cooperation moves to backward position for carousel gear before driving.
In a kind of above-mentioned automatic entrance-exit penknife, guide post, the reversing arrangement is arranged in the interior of shell
Both ends be sheathed in guide post and can move reciprocatingly along guide post length direction, the lock uint include be set to commutation
Card slot on device and the buckle in guide post, the switching device are sheathed in guide post, the switching device
It is rotated around guide post axis direction, the switching device is provided with unlock convex block, and the switching device unlocks convex when rotating
Block, which jacks up reversing arrangement, causes card slot and buckle releasing sealed, and the resetting apparatus is the reset bullet being sheathed in guide post
Spring.
In a kind of above-mentioned automatic entrance-exit penknife, the transmission gear quantity at least two and it is uniformly distributed in
Preceding carousel gear and rear disk tooth-formation of gear circumferencial direction are additionally provided with installation axle, the installation on the transmission gear
Axis is for positioning and fixed conveyor gear.
In a kind of above-mentioned automatic entrance-exit penknife, tooth is additionally provided between the preceding carousel gear and rear disk gear
Cutting ferrule is taken turns, is offered on the gear cutting ferrule and is used to installing and fixing biography with the fluting of corresponding transmission gear, the fluting
Moving gear.
In a kind of above-mentioned automatic entrance-exit penknife, the shell further includes limiting device, the reversing arrangement
It further include covering at preceding carousel gear, the gear cover on the outside of rear disk gear, the gear cover is equipped with block, the limit
Position device cooperates with block guarantees that gear cover not can rotate during moving back pen, between the limiting device and gear cover presence
Gap.
In a kind of above-mentioned automatic entrance-exit penknife, the shell includes main casing, front shroud and bits collecting box.
In a kind of above-mentioned automatic entrance-exit penknife, the cutting mechanism offers sliding slot, the plucking piece
It is installed on sliding slot by connector, the plucking piece can move back and forth in sliding slot.
It further include handle in a kind of above-mentioned automatic entrance-exit penknife, the handle is equipped with internal gear, described
Cutting mechanism includes machine core, bite and cutting gear, and the bite and cutting gear coaxial rotating, the machine core are used
In installation bite, cutting gear and plucking piece, the internal gear is engaged with cutting gear.
Advantages of the present invention has: the present invention solves relative to the existing pencil sharpener that can not move back pen automatically and needs to overturn hand
Handle shaking direction greatly improves come the problem of moving back and cuts efficiency, while cutting out the pen core come and will not be excessively sharp and cause to hold
Easy fracture, it is compact structure and easy to use.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is clamping device schematic diagram of the invention；
Fig. 3 is internal gear schematic diagram of the invention；
Fig. 4 is advance and retreat structural scheme of mechanism of the invention；
Fig. 5 is cross section structure figure of the invention；
Fig. 6 is inner section structure chart of the invention；
Fig. 7 is switching device schematic diagram of the invention；
Fig. 8 is limiting device sectional view of the invention；
Fig. 9 is reversing arrangement partial structure diagram of the invention；
Figure 10 is block schematic diagram of the invention；
In figure, 1, shell；2, handle；3, retreat a mechanism；4, cutting mechanism；5, clamping device；6, reversing arrangement；7, preceding
Carousel gear；8, rear disk gear；9, gear cover；10, card slot；11, it buckles；12, switching device；13, plucking piece；14, it dials
Piece reset spring；15, detection device；16, driving mechanism；17, lock uint；18, flexible fastening piece；19, installation axle；20, tooth
Take turns cutting ferrule；21, it slots；22, conveying axis；23, driven gear；24, idler wheel；25, it is driven rib；26, fixed bracket；27, main casing
Body；28, front shroud；29, bits collecting box；30, limiting device；31, block；32, reset spring；33, guide post；34, resetting apparatus；
35, convex block is unlocked；36, convex block；37, sliding slot；38, internal gear；39, bite；40, gear is cut；41, transmission gear；42, machine
Core；43, dynamic clamping head and quiet clamping head.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As Figure 1-10 shows, this automatic entrance-exit penknife includes shell 1, retreat a mechanism 3, cutting mechanism 4, driving mechanism
16, detection device 15, the rotation of 16 driving and cutting mechanism 4 of driving mechanism, the mechanism 3 that retreats is in sharpening pencil for driving pencil
Into pen or pen is moved back, detection device 15 is for detecting whether pencil cutting is completed, which is characterized in that the mechanism 3 that retreats is equipped with folder
Device 5 and reversing arrangement 6 are held, reversing arrangement 6 is equipped with the preceding carousel gear 7 being oppositely arranged and rear disk gear 8, preceding disk teeth
Wheel 7 and rear disk gear 8 between be equipped with transmission gear 41, and transmission gear 41 can respectively with preceding carousel gear 7 and rear disk tooth
8 engagement of wheel, reversing arrangement 6 can move reciprocatingly along axis direction, and when into pen, reversing arrangement 6 is close to cutting mechanism 4, cutting
Carousel gear 7 and 8 rotating Vortex of rear disk gear before mechanism 4 drives, when moving back, reversing arrangement 6 is cut far from cutting mechanism 4
Cutting mechanism 4 drives rear disk gear 8 to rotate, and carousel gear 7 is reversely revolved with rear disk gear 8 before being driven by transmission gear 41
Turn.
Further, clamping device 5 includes two conveying axis 22 disposed in parallel, is equipped with driven gear on conveying axis 22
23 and indent idler wheel 24, two driven gears 23 are oppositely arranged, preceding carousel gear 7 be equipped with transmission rib 25, two are driven
Gear 23 is engaged with transmission rib 25 respectively, drives idler wheel 24 to rotate around 22 axis direction of conveying axis when preceding carousel gear 7 rotates,
Flexible fastening piece 18 is provided on conveying axis 22, two idler wheels 24 are staggered under 18 free state of flexible fastening piece, pencil
It forces two idler wheels 24 to be aligned when insertion, flexible fastening piece 18 is caused to provide the elastic force of fixed pencil.Setting using the above structure
It sets, can be realized the clamping to pencil and is acted into pen.
Further, detection device 15 includes plucking piece 13 and plectrum reset spring 14, and plucking piece 13 can be along cutting
The axis direction of mechanism 4 moves reciprocatingly, and pencil can push plucking piece 13 during into pen, and plucking piece 13 can be dialled
It moves and starts reversing arrangement 6.Setting using the above structure can be realized to pencil into pen and the automatic switchover for moving back pen, nothing
It needs opposite direction rotational handle 2 without deliberately noticing whether pencil cuts completion, substantially increases ease for use.
Further, reversing arrangement 6 includes lock uint 17, switching device 12 and resetting apparatus 34, and lock uint 17 is used
Carousel gear 7 keeps forward position before fixed reversing arrangement 6 makes, and switching device 12 and the cooperation releasing of detection device 15 are sealed,
Resetting apparatus 34 moves to backward position for carousel gear 7 before driving.Setting using the above structure, can be simply and easily
7 rotation direction of carousel gear before switching is realized into pen to control pencil and moves back pen.
Further, guide post 33 is set inside shell 1, and the both ends of reversing arrangement 6 are sheathed in guide post 33 and can edge
33 length direction of guide post moves reciprocatingly, and lock uint 17 includes the card slot 10 on the reversing arrangement 6 and is set to guide post
Buckle 11 on 33, switching device 12 are sheathed in guide post 33, and switching device 12 is rotated around 33 axis direction of guide post, switch
Device 12 is provided with unlock convex block 35, and unlock convex block 35, which jacks up reversing arrangement 6, when switching device 12 rotates causes card slot 10 and card
11 releasing of button is sealed, and resetting apparatus 34 is the reset spring 32 being sheathed in guide post 33.It is compact-sized, it is simple and efficient.
Further, it in order to make preceding carousel gear 7 and rear disk gear 8 can be realized rotating Vortex and reverse rotation, passes
41 quantity at least two of moving gear and the tooth form circumferencial direction for being uniformly distributed in preceding carousel gear 7 and rear disk gear 8, transmission
Installation axle 19 is additionally provided on gear 41, installation axle 19 is for positioning and fixed conveyor gear 41.Current carousel gear 7 and rear disk
When gear 8 steps up transmission gear 41, carousel gear and rear disk gear 8 can rotating Vortex, current carousel gear 7 and rear disks
When transmission gear 41 is unclamped but is in meshing state by gear 8, carousel gear and rear disk gear 8 can be reversely rotated.
Further, it in order to facilitate the installation of transmission gear 41, is additionally provided between preceding carousel gear 7 and rear disk gear 8
Gear cutting ferrule 20, offer on gear cutting ferrule 20 with the fluting 21 of corresponding transmission gear 41, fluting 21 is for installing and fixing biography
Moving gear 41.
Further, shell 1 further includes limiting device 30, and reversing arrangement 6 further includes carousel gear 7 before covering at, rear circle
The gear cover 9 in 8 outside of disk gear, gear cover 9 are equipped with block 31, and limiting device 30 cooperates with block 31 to be protected during moving back pen
Card gear cover 9 not can rotate, and there are gaps with gear cover 9 for limiting device 30.Gap between limiting device 30 and gear cover 9 is
For reversing arrangement 6, there are movable spaces, while limiting to reversing arrangement 6, and reversing arrangement 6 touches completely during moving back pen
When to limiting device 30, limiting device 30 and block 31 are interfered, so that gear cover 9 be made not can rotate.
Further, it disassembles and installs for convenience, shell 1 includes main casing 27, front shroud 28 and bits collecting box 29.
Further, cutting mechanism 4 offers sliding slot 37, and plucking piece 13 is installed on sliding slot 37 by connector, dials
Sheet devices 13 can move back and forth in sliding slot 37.Setting using the above structure can drive in 4 operational process of cutting mechanism
Plucking piece 13 moves back and forth in sliding slot 37, compact-sized, is simple and efficient.
It further, further include handle 2 in order to realize that cutting mechanism 4 is simply and efficiently run, handle 2 is equipped with internal tooth
Wheel 38, cutting mechanism 4 include machine core 42, bite 39 and cutting gear 40, bite 39 and cutting 40 coaxial rotating of gear, machine
Core 42 is engaged for installing bite 39, cutting gear 40 and plucking piece 13, internal gear 38 with cutting gear 40.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although shell 1, handle 2, the mechanism 3 that retreats, cutting mechanism 4, clamping device 5, commutation is used more herein
Device 6, rear disk gear 8, gear cover 9, card slot 10, buckle 11, switching device 12, plucking piece 13, is dialled preceding carousel gear 7
Piece reset spring 14, detection device 15, driving mechanism 16, lock uint 17, flexible fastening piece 18, installation axle 19, gear cutting ferrule
20, fluting 21, conveying axis 22, driven gear 23, idler wheel 24, transmission rib 25, fixed bracket 26, main casing 27, front shroud 28, collection
It considers box 29 to be worth doing, limiting device 30, block 31, reset spring 32, guide post 33, resetting apparatus 34, unlock convex block 35, convex block 36, slide
The terms such as slot 37, internal gear 38, bite 39, cutting gear 40, transmission gear 41, machine core 42, dynamic clamping head and quiet clamping head 43, but not
It rules out the possibility of using other terms.The use of these items is only for be more convenient to describe and explain sheet of the invention
Matter；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of automatic entrance-exit penknife, including shell (1), retreat a mechanism (3), cutting mechanism (4), driving mechanism (16),
Detection device (15), the driving mechanism (16) driving and cutting mechanism (4) rotation, the advance and retreat mechanism (3) is being cut
For driving pencil into pen or moving back pen when pencil, the detection device (15) is special for detecting whether pencil cutting is completed
Sign is, the advance and retreat mechanism (3) is equipped with clamping device (5) and reversing arrangement (6), on the reversing arrangement (6)
Equipped with the preceding carousel gear (7) and rear disk gear (8) being oppositely arranged, the preceding carousel gear (7) and rear disk gear (8)
Between be equipped with transmission gear (41), and the transmission gear (41) can respectively with preceding carousel gear (7) and rear disk gear (8)
Engagement, the reversing arrangement (6) can move reciprocatingly along axis direction, and when into pen, reversing arrangement (6) is close to cutting mechanism
(4), carousel gear (7) and rear disk gear (8) rotating Vortex before cutting mechanism (4) drives, when moving back, reversing arrangement (6)
Far from cutting mechanism (4), cutting mechanism (4) drives rear disk gear (8) rotation, disk teeth before driving by transmission gear (41)
(7) and rear disk gear (8) are taken turns to reversely rotate.
2. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the clamping device (5) includes
Two conveying axis (22) disposed in parallel are equipped with the idler wheel of driven gear (23) and indent on the conveying axis (22)
(24), two driven gears (23) are oppositely arranged, and the preceding carousel gear (7) is equipped with transmission rib (25), institute
Two driven gears (23) stated are engaged with transmission rib (25) respectively, and the preceding carousel gear (7) drives idler wheel when rotating
(24) it is rotated around conveying axis (22) axis direction, flexible fastening piece (18) is provided on the conveying axis (22), described in two
Idler wheel (24) be staggered under flexible fastening piece (18) free state, pencil forces the alignment of two idler wheels (24) when being inserted into,
Flexible fastening piece (18) are caused to provide the elastic force of fixed pencil.
3. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the detection device (15) includes
Plucking piece (13) and plectrum reset spring (14), the plucking piece (13) can be done along the axis direction of cutting mechanism (4)
It moves back and forth, pencil can push the plucking piece (13) during into pen, and the plucking piece (13) can be dialled
It moves and starts reversing arrangement (6).
4. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the reversing arrangement (6) includes
Lock uint (17), switching device (12) and resetting apparatus (34), the lock uint (17) is for fixing reversing arrangement (6)
Preceding carousel gear (7) are made to keep forward position, the switching device (12) and detection device (15) cooperation releasing are sealed, described
Resetting apparatus (34) for driving preceding carousel gear (7) to move to backward position.
5. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that setting inside the shell (1)
Guide post (33), the both ends of the reversing arrangement (6) are sheathed on guide post (33) and can be along guide post (33) length directions
It moves reciprocatingly, the lock uint (17) includes the card slot (10) on reversing arrangement (6) and is set to guide post (33)
On buckle (11), the switching device (12) is sheathed on guide post (33), and the switching device (12) is around guide post
(33) axis direction rotates, and the switching device (12) is provided with unlock convex block (35), the switching device (12) rotation
Shi Xiesuo convex block (35), which jacks up reversing arrangement (6), causes card slot (10) to release sealed, described resetting apparatus with (11) are buckled
(34) reset spring (32) to be sheathed on guide post (33).
6. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that described transmission gear (41) quantity
At least two and it is uniformly distributed in the tooth form circumferencial direction of preceding carousel gear (7) and rear disk gear (8), the driving cog
It is additionally provided with installation axle (19) on wheel (41), the installation axle (19) is for positioning and fixed conveyor gear (41).
7. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the preceding carousel gear (7) and
It is additionally provided between rear disk gear (8) gear cutting ferrule (20), is offered and corresponding transmission gear on the gear cutting ferrule (20)
(41) fluting (21), the fluting (21) is for installing and fixed conveyor gear (41).
8. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the shell (1) further includes limit
Position device (30), the reversing arrangement (6) further include covering at preceding carousel gear (7), the gear on the outside of rear disk gear (8)
It covers (9), the gear cover (9) is equipped with block (31), and a mistake is being moved back in the limiting device (30) and block (31) cooperation
Guarantee that gear cover (9) not can rotate in journey, there are gaps for the limiting device (30) and gear cover (9).
9. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that the cutting mechanism (4) opens up
Have sliding slot (37), the plucking piece (13) is installed on sliding slot (37) by connector, and the plucking piece (13) can
It is moved back and forth in sliding slot (37).
10. a kind of automatic entrance-exit penknife according to claim 1, which is characterized in that it further include handle (2), it is described
Handle (2) is equipped with internal gear (38), and the cutting mechanism (4) includes machine core (42), bite (39) and cutting gear
(40), the bite (39) and cutting gear (40) coaxial rotating, the machine core (42) for install bite (39),
Gear (40) and plucking piece (13) are cut, the internal gear (38) is engaged with cutting gear (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371464.6A CN110103618A (en) | 2019-05-06 | 2019-05-06 | A kind of automatic entrance-exit penknife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371464.6A CN110103618A (en) | 2019-05-06 | 2019-05-06 | A kind of automatic entrance-exit penknife |
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| Publication Number | Publication Date |
|---|---|
| CN110103618A true CN110103618A (en) | 2019-08-09 |
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| CN201910371464.6A Pending CN110103618A (en) | 2019-05-06 | 2019-05-06 | A kind of automatic entrance-exit penknife |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406379A (en) * | 2020-12-23 | 2021-02-26 | 南京松之林笔业有限公司 | Electric pencil sharpener |
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