CN110126520A - A kind of automatic entrance-exit mechanism of pencil sharpening device - Google Patents
A kind of automatic entrance-exit mechanism of pencil sharpening device Download PDFInfo
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- CN110126520A CN110126520A CN201910473727.4A CN201910473727A CN110126520A CN 110126520 A CN110126520 A CN 110126520A CN 201910473727 A CN201910473727 A CN 201910473727A CN 110126520 A CN110126520 A CN 110126520A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
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Abstract
The present invention provides a kind of automatic entrance-exit mechanisms of pencil sharpening device, belong to field of mechanical technique.It solves the problems, such as existing automatic entrance-exit mechanical stability difference, unreasonable structure.It includes bracket, support spring, two are connected in parallel to the rotating assembly and drive disk of bracket outer end, clamp port is formed between two rotating assemblies, driving disk center was provided through a hole, bracket is equipped with through-hole, drive plate is equipped in through-hole, the relief hole being connected to hole face excessively is provided through on drive plate, drive plate is circumferentially fixed with drive disk and drive disk can be moved relative to drive plate along the axis direction for crossing a hole, support spring is set between drive plate and drive disk, support spring both ends are born against on drive plate outer end face and drive disk inner face, drive plate inner face is equipped with attachment.It has many advantages, such as to retreat a stability height, structurally reasonable, to cut a resistance small.
Description
Technical field
The invention belongs to pencil sharpening device technical field, be related to a kind of pencil sharpening device more particularly to a kind of pencil sharpening device from
The dynamic mechanism that retreats.
Background technique
Nowadays, automatic pencil sharpening device is used by more and more people, and requirement of the people for pencil sharpening device ease for use
Also higher and higher, the pencil sharpener on existing market, which is substantially all, thus has had automatic entrance-exit function.Such as application No. is
A kind of automatic pencil sharpener disclosed in 201420437278.0 into pen device, it includes that bracket, turning wheel and two axis connect
Installation axle on bracket is successively arranged with gear and idler wheel in two installation axles, and the gear in two installation axles is centrosymmetric,
Gear is engaged with the rack gear on turning wheel, idler wheel and gear and installation axle clearance fit, when turning wheel along rotated into a direction when,
Turning wheel by frictional force drive two gears rotation and under centripetence along place installation axle one end close to each other, two gears
Press to corresponding idler wheel movement and with a side of idler wheel, two idler wheels are rotated by the frictional force drives of corresponding gear and will be inserted in two
Pencil between idler wheel, which is automatically fed into pencil sharpening device, to be cut；When a direction is moved back on turning wheel edge to rotate, two idler wheels can be anti-
The pencil after cutting is automatically exited to rotation.
In addition, support spring is arranged in the pencil sharpening device also between turning wheel and bracket, after pencil sharper is good, cuts pen and withstand
Planing mechanism in pencil sharpening device, pencil is by biggish resistance at this time, two idler wheels due to pencil have frictional force thus
With biggish resistance, such two gear is also just stirred by biggish resistance when two gears are motionless by larger resistance
Contact with gear shaft during wheel rotation by reaction force, and then compress support spring, so that between shaft and gear out
It now skids, pencil is no longer inward into pen, so that effective protection pencil is not cut excessively.In addition, between turning wheel and two gears
Frictional force be the rotation of sliding tooth wheel direct driving force, it is inevitable between turning wheel and two gears after being used for multiple times of pencil sharpening device
Will appear abrasion, abrasion will cause to skid and the pen that can not retreat between turning wheel and gear, using support spring elastic force also
Abrasion between turning wheel and gear can be compensated to ensure that turning wheel can be contacted with the formation of two gears always and protect
Demonstrate,prove the stability of automatic entrance-exit pen.
However, find the structure and unreasonable in practical applications, this is because bracket is remain stationary and turning wheel rotates,
The fixed state in one end activity one end easily causes support spring to reverse and generate torsion, which can be to the rotation of turning wheel
Resistance is generated, so as to cause advance and retreat resistance and cuts a resistance increase.For this purpose, the conventional technical means of those skilled in the art
It is that circumferentially arranged several flexible elastic slices or directly setting wave spring washer replace support spring on bracket
Use, for example, application No. is disclosed in 201520883301.3 one kind into pen device, application No. is 201510752202.6 institutes
It is disclosed a kind of suitable for the automatic into mechanism and application No. is disclosed in 201420669242.5 of any specification pencil
Automatic entrance-exit pencil sharpener etc., however several elastic slices are either set or using wave spring washer all unlike using support bullet
The same pressure of spring is relatively average, it is more steady to be driven.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of automatic entrance-exit of pencil sharpening device
Mechanism, the technical problem to be solved is that how to make while guaranteeing to retreat stability structure more rationally, advance and retreat pen
It is more smooth.
Object of the invention can be realized by the following technical scheme:
A kind of automatic entrance-exit mechanism of pencil sharpening device, is connected in parallel to bracket outer end including bracket, support spring, two
Rotating assembly and the drive disk for being set on the inside of bracket and two rotating assemblies capable of being driven to rotate when rotating, the two shafts group
Clamp port is formed between part, driving disk center was provided through a hole, and drive disk outer end face is acted in the elastic force of support spring
Under lean always with two rotating assemblies, bracket is equipped with through-hole, which is characterized in that drive plate, transmission are equipped in the through-hole
It is provided through on disk and crosses the relief hole that be connected to of a hole face, drive plate is circumferentially fixed with drive disk and drive disk can be relative to
Drive plate is moved along the axis direction for crossing a hole, and support spring is set between drive plate and drive disk, support spring both ends difference
It is resisted against on drive plate outer end face and drive disk inner face, drive plate inner face is equipped with attachment.
In use, automatic entrance-exit mechanism is set at the pen-laying hole of pencil sharpening device, penholder outer end and the connection for being in drive plate
Knot is connected, and pencil is inserted into the clamp port between two rotating assemblies by user from pen-laying hole, then rotates pencil sharpening device
Crank rotates penholder.
Penholder band nutating disk rotates, and since drive disk and drive plate rotate synchronously, drive disk is just rotated, and drives in this way
Moving plate will drive the rotation of two rotating assemblies by frictional force, so that two rotating assemblies be made to be automatically fed into pencil by frictional force
It is cut in penholder.After the completion of cutting, reversion crank makes penholder that drive disk be driven to rotate backward, and drive disk passes through frictional force band
Dynamic two rotating assemblies rotate backward, and two rotating assemblies will pass through frictional force and the pencil after cutting is automatically exited from penholder.
This automatic entrance-exit mechanism is by setting support spring, and drive disk is under the elastic force effect of support spring always with two
Rotating assembly leans, so that being capable of forming frictional force always between two rotating assemblies when drive disk rotates to drive two shafts
Component rotation, improves the stability of advance and retreat pen well.Meanwhile drive disk and drive plate are circumferentially fixed, and support spring
It is to be set between drive disk and drive plate, therefore support spring can be rotated synchronously with drive disk and drive plate, so
Just ensure that support spring is only provided along the elastic force for crossing an axially bored line direction, eliminate support spring and the phenomenon that one end torsion occur,
Support spring will not because one end reverse due to resistance is formed to the rotation of drive disk so that structure more rationally, pencil from
Dynamic advance and retreat are more smooth, and user can have better usage experience.
In the automatic entrance-exit mechanism of above-mentioned pencil sharpening device, the drive plate outer end face is equipped with ring wall one, drives
Moving plate inner face is equipped with ring wall two, and one outer end of ring wall is inserted into ring wall two and the two forms clearance fit, branch
Support spring inner end insertion ring wall one inside, one outer peripheral surface of ring wall is fixed at least one convex block, in ring wall two
End face is corresponding to offer at least one notch, and each convex block is inserted into corresponding notch.
Ring wall one is arranged in the outer end face of drive plate, and ring wall two is arranged in drive disk inner face, be fixed on annular every
The convex block of one lateral wall of wall is inserted into corresponding notch, and the cooperation of convex block and notch is so that form week between drive plate and drive disk
To fixation, being leant when penholder band nutating disk is rotated by convex block side wall and notch inside wall makes drive disk and drive plate
It rotates synchronously, such support spring just will not twist and generate resistance to the rotation of drive disk, and convex block and notch are matched
Clearance fit is formed between conjunction and ring wall two and ring wall one, and enables drive disk relative to drive plate along mistake
The axis direction in hole is mobile, thus make while improving and retreating stability structure more rationally, pencil it is automatic into
It moves back more smooth.
In the automatic entrance-exit mechanism of above-mentioned pencil sharpening device, one outer end face of ring wall is located at through-hole external port
Outside the face at place, convex block outer end face is flush with one outer end face of ring wall, has between ring wall one and through-hole wall and allows
Interdigit gap, two inner end of ring wall are inserted into resigning gap.
Space where drive disk and through-hole institute external port between face is than narrow, if convex block is set to the space
It is interior, then it is short compared with the length of fit of notch to inevitably result in convex block, once wearing and by the bullet of support spring occurs in drive disk
Power effect generates movement, then convex block is likely to be detached from notch.Therefore, it will be set between ring wall one and through-hole wall
It is set to resigning gap, convex block is located in resigning gap, the length of fit of such convex block and notch can be set
It sets long, ensures that the reliability rotated synchronously between drive plate and drive disk.
In the automatic entrance-exit mechanism of above-mentioned pencil sharpening device, the convex block is square, convex block inner face and drive plate
Outer end face is fixedly connected with, and convex block, drive plate and ring wall one are an integral structure.
Convex block, drive plate and ring wall one are an integral structure, and convex block inner face and drive plate outer end face are connected, in this way
The intensity that convex block can be increased, avoid convex block stress deformation and will be stuck between drive plate and drive disk, cause support spring without
Method provides effective elastic force to drive disk.
In the automatic entrance-exit mechanism of above-mentioned pencil sharpening device, as another technical solution, the drive plate outer end
Face be equipped with ring wall one, drive disk inner face be equipped with ring wall two, two inner end of ring wall be inserted into ring wall one in and
The two forms clearance fit, and the outer end of support spring is located at two inside of ring wall, and two outer peripheral surface of ring wall is fixed at least
One locating piece, one outer end face of ring wall is corresponding to offer at least one positioning port, and each locating piece is inserted into corresponding positioning port
It is interior.
Ring wall one is arranged in the outer end face of drive plate, and ring wall two is arranged in drive disk inner face, be fixed on annular every
The locating piece of two lateral wall of wall is inserted into corresponding positioning port, the cooperation of locating piece and positioning port so that drive plate and drive disk it
Between formed circumferentially fixed, leant by locating piece side wall with positioning port inner sidewall when penholder band nutating disk is rotated and make to drive
Moving plate and drive plate rotate synchronously, and such support spring just will not twist and generate resistance to the rotation of drive disk, depending on
Clearance fit is formed between position block and the cooperation and ring wall two and ring wall one of positioning port, and enables drive disk
It is moved up and down relative to drive plate, to make structure more reasonable, pencil automatic while improving advance and retreat stability
It retreats more smooth.
In the automatic entrance-exit mechanism of above-mentioned pencil sharpening device, two rotating assemblies include shaft and are socketed in shaft
On castle wheel and pen feeding wheel, two castle wheels are set to the opposite end of two shafts, form above-mentioned clamping between two pen feeding wheel lateral walls
Mouthful, two pen feeding wheels are circumferentially fixed with corresponding shaft, if axially disposed in two shafts have dry elasticity plush copper, each elasticity plush copper
Surface is spherical in shape, and each elastic plush copper in same shaft is resisted against on the inner wall of pen feeding wheel, when drive disk turns along into direction
Can be driven when dynamic two castle wheels rotate and it is close to each other along place shaft, and when two castle wheels mutually close to when two can be pushed to send pen
It takes turns close to each other and rotates；When drive disk along move back the rotation of direction when can drive two castle wheels rotate and along place shaft it is mutual
It is separate, and two castle wheels and place shaft are circumferentially fixed when two castle wheels are located remotely from each other to the one end of place shaft.
When into pen, drive disk rotates in one direction, and drive disk drives each autorotation of two castle wheels under frictional force effect
And two castle wheel it is close to each other along shaft under centripetence, during two castle wheels are close to each other, two castle wheels point
It is not in contact with the pen feeding wheel being socketed in same shaft, such two castle wheel will push two pen feeding wheels along place shaft phase
Mutually close, two pen feeding wheels are close to each other and clamp pencil, while two castle wheels drive two pen feeding wheels and turn further through frictional force
Pencil will be automatically fed into penholder under the action of frictional force and cut by axis rotation, two pen feeding wheels.Pencil completes cutting
Afterwards, drive disk rotates backward, drive disk frictional force effect under drive two castle wheels respectively rotate backward and two castle wheels from
The heart effect under be located remotely from each other along shaft, when two castle wheels far to place shaft one end when two castle wheels with corresponding turn
Axis is circumferentially fixed, and such two shaft is just rotated backward with respective pen feeding wheel, and two pen feeding wheels will be under the action of frictional force
Pencil after cutting is automatically exited from into pencil sharpening device.
This automatic entrance-exit mechanism passes through the setting of elastic plush copper, can increase the friction between shaft and corresponding pen feeding wheel
Power also improves stability when automatic entrance-exit pen to avoid having skidded between pen feeding wheel and shaft to a certain extent.
Compared with prior art, the automatic entrance-exit mechanism of this pencil sharpening device improves the steady of advance and retreat pen using support spring
It is qualitative and to the effective protection that pencil is excessively cut, while by the way that drive plate is arranged in bracket, enable support spring
As drive disk and drive plate rotate synchronously, so just ensure that support spring is only provided along the bullet for crossing an axially bored line direction
Power eliminates support spring and the phenomenon that one end torsion occurs, so that structure is more reasonable, the automatic entrance-exit of pencil is more suitable
Freely, user can have better usage experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of the automatic entrance-exit mechanism embodiment one of this pencil sharpening device.
Fig. 2 is the cross-sectional view of the automatic entrance-exit mechanism embodiment one of this pencil sharpening device.
Fig. 3 is the cooperation signal in the automatic entrance-exit mechanism embodiment one of this pencil sharpening device between drive plate and drive disk
Figure.
Fig. 4 is the exploded view of drive plate and drive disk in the automatic entrance-exit mechanism embodiment one of this pencil sharpening device.
Fig. 5 is the exploded view in the automatic entrance-exit mechanism of this pencil sharpening device at rotating assembly.
In figure, 1, bracket；1a, through-hole；1a1, annular convex platform；2, support spring；3, rotating assembly；3a, shaft；3a1, bullet
Property plush copper；3b, castle wheel；3c, pen feeding wheel；4, clamp port；5, drive disk；5a, Guo Bikong；5b, ring wall two；5b1, it lacks
Mouthful；6, drive plate；6a, relief hole；6b, attachment；6c, ring wall one；6d, convex block；7, resigning gap；8, penholder；9, it shakes
?.
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.
Embodiment one
As depicted in figs. 1 and 2, the automatic entrance-exit mechanism of a kind of pencil sharpening device, including bracket 1, two are connected in parallel to prop up
The rotating assembly 3 of 1 outer end of frame and the drive disk 5 that is set to the inside of bracket 1 and can rotate, 5 outer end face of drive disk and two turns
Shaft assembly 3 to against, when drive disk 5 rotate when can be rotated by two rotating assembly 3 of frictional force drives.Two rotating assemblies 3 it
Between form clamp port 4, a hole 5a was provided through on drive disk 5, clamp port 4 was located at the external port top of hole 5a, when
Drive disk 5 can drive two rotating assemblies 3 to rotate and realize automatic entrance-exit pen when rotating by frictional force.
As shown in Figure 1 and Figure 5, two rotating assemblies 3 include shaft 3a and the castle wheel 3b that is socketed on shaft 3a with
Pen feeding wheel 3c, two castle wheel 3b are set to the opposite end of two shaft 3a, and two pen feeding wheel 3c are circumferentially fixed with corresponding shaft 3a and two
Above-mentioned clamp port 4 is formed between pen feeding wheel 3c lateral wall, when drive disk 5 along rotated into direction when two castle wheel 3b can be driven to turn
It is dynamic and close to each other along place shaft 3a, and two pen feeding wheel 3c can be pushed close to each other when two castle wheel 3b phases are close and turned
It is dynamic；When drive disk 5 can drive two castle wheel 3b to rotate and be located remotely from each other along place shaft 3a along moving back when direction rotates, and work as
Two castle wheel 3b and place shaft 3a are circumferentially fixed when two castle wheel 3b are located remotely from each other to the one end of place shaft 3a.Shaft group
The specific structure of part 3 and realize the concrete principle of advance and retreat pen can refer to application No. is disclosed in 201420437278.0 it is a kind of from
Dynamic pencil sharpener into pen device.
As shown in figure 5, each elasticity surface plush copper 3a1 is in along if dry elasticity plush copper 3a1 is axially arranged on two shaft 3a
Spherical shape, each elasticity plush copper 3a1 on same shaft 3a are resisted against on the inner wall of pen feeding wheel 3c.Pass through setting for elastic plush copper 3a1
It sets, the frictional force between shaft 3a and corresponding pen feeding wheel 3c can be increased, to avoid occurring between pen feeding wheel 3c and shaft 3a
It skids, also improves stability when automatic entrance-exit pen to a certain extent.
As shown in Fig. 2, bracket 1 is equipped with through-hole 1a, the drive plate 6 being able to rotate is equipped in through-hole 1a, drive plate 6, which is located at, to be driven
Below Moving plate 5, the relief hole 6a being connected to hole 5a face excessively is provided through on drive plate 6.Drive plate 6 with drive disk 5 weeks
To fixation, and drive disk 5 can be moved relative to drive plate 6 along the axis direction for crossing a hole 5a, between drive plate 6 and drive disk 5
Equipped with support spring 2, the both ends of support spring 2 are born against on the outer end face of drive plate 6 and the inner face of drive disk 5, are driven
5 outer end face of Moving plate leans with two rotating assemblies 3 always under the elastic force effect of support spring 2.The inner wall of through-hole 1a is equipped with ring
Shape boss 1a1, drive plate 6 are located above annular convex platform 1a1, and 6 inner face of drive plate is equipped with across annular convex platform 1a1 centre bore
Attachment 6b, attachment 6b inner face are equipped with connecting pore, and connecting pore is square hole, and relief hole 6a is coaxially set with square hole.
As shown in Figures 2 and 3, the outer end face of drive plate 6 is equipped with one 6c of ring wall, the outer end face position of one 6c of ring wall
In outside the face where through-hole 1a external port.There is resigning gap 7 between one 6c outer peripheral surface of ring wall and through-hole 1a inner sidewall, drive
The inner face of Moving plate 5 is equipped with two 5b of ring wall, and the inner end of two 5b of ring wall is inserted into resigning gap 7, one 6c of ring wall
Outer end be then inserted into two 5b of ring wall and the two forms clearance fit.
As shown in Figure 3 and Figure 4, the outer peripheral surface of one 6c of ring wall is fixed at least one convex block 6d, two 5b of ring wall
Inner face it is corresponding offer at least one notch 5b1, each convex block 6d is inserted into corresponding notch 5b1.In the present embodiment, convex block
6d quantity is two.Convex block 6d is square, and convex block 6d inner face is fixedly connected with 6 outer end face of drive plate, convex block 6d, drive plate 6 and
One 6c of ring wall is an integral structure.By the cooperation of convex block 6d and notch 5b1 so that shape between drive plate 6 and drive disk 5
It circumferentially fixes, while between two 5b of cooperation and one 6c of ring wall and ring wall of convex block 6d and notch 5b1 between formation
Gap cooperation enables drive disk 5 to move relative to drive plate 6 along the axis direction for crossing a hole 5a again.
In use, automatic entrance-exit mechanism is set at the pen-laying hole of pencil sharpening device, 8 outer end of penholder is inserted into drive plate 6
In the connecting pore at end, pencil is inserted between two rotating assemblies 3 by user from pen-laying hole, and the crank 9 for then rotating pencil sharpening device makes
Penholder 8 rotates.
Penholder 8 is rotated synchronously with nutating disk 6, while passing through the notch on the convex block 6d and drive disk 5 on drive plate 6
5b1 is matched so that drive disk 5 is able to rotate synchronously with penholder 8 and drive plate 6.So, drive disk 5 and two shaft groups
Frictional force will be generated between part 3 so that each autorotation of two rotating assembly 3, thus simultaneously by each autorotation of two rotating assembly 3
Pencil is successively sent in penholder 8 by a hole 5a with relief hole 6a by frictional force and is cut.After the completion of cutting, it is used for
Rotate backward crank 9, the synchronous reversion of penholder 8, drive plate 6 and drive disk 5, and respectively rotated backward by two drive disks, 5 component and
Pencil after cutting is automatically exited from.
This automatic entrance-exit mechanism by setting support spring 2, drive disk 5 support spring 2 elastic force effect under always
It leans with two rotating assemblies 3, so that being capable of forming frictional force always between two rotating assemblies 3 when drive disk 5 rotates to drive
Dynamic two rotating assemblies 3 rotation, improves the stability of advance and retreat pen well.Meanwhile drive disk 5 and drive plate 6 are to pass through convex block
The cooperation of 6d and notch 5b1, which is realized, to be rotated synchronously, and support spring 2 is to be set between drive disk 5 and drive plate 6, therefore
Support spring 2 can be rotated synchronously with drive disk 5 and drive plate 6, so just ensure that support spring 2 only provides edge and crosses a hole
The elastic force of 5a axis direction eliminates support spring 2 and the phenomenon that one end torsion occurs, and support spring 2 will not be due to one end is reversed
Resistance is formed to the rotation of drive disk 5, so that structure is more reasonable, the automatic entrance-exit of pencil is more smooth, user can
With better usage experience.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, the difference is that: in the present embodiment, transmission
The outer end face of disk 6 is equipped with one 6c of ring wall, and the inner face of drive disk 5 is equipped with two 5b of ring wall, two inner end 5b of ring wall
It is inserted into one 6c of ring wall and the two forms clearance fit, the outer end of support spring 2 is located on the inside of two 5b of ring wall, annular
Two 5b outer peripheral surface of partition wall is fixed at least one locating piece, and the outer end face correspondence of one 6c of ring wall offers at least one positioning
Mouthful, each locating piece is inserted into corresponding positioning port.
The cooperation of locating piece and positioning port is driven in penholder 8 so that formed circumferentially fixed between drive plate 6 and drive disk 5
Being leant when drive plate 6 rotates by locating piece side wall and positioning port inner sidewall rotates synchronously drive disk 5 and drive plate 6,
In this way support spring 2 just will not twist and to the rotation of drive disk 5 generate resistance, and the cooperation of locating piece and positioning port with
And clearance fit is formed between one 6c of two 5b of ring wall and ring wall, and enable drive disk 5 relative to 6 edge of drive plate
The axis direction for crossing a hole 5a is mobile, thus make while improving and retreating stability structure more rationally, pencil from
Dynamic advance and retreat are more smooth.
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.
Claims (6)
1. a kind of automatic entrance-exit mechanism of pencil sharpening device, including bracket (1), support spring (2), two it is connected in parallel to bracket
(1) it the rotating assembly (3) of outer end and is set on the inside of bracket (1) and two rotating assemblies (3) can be driven to rotate when rotating
Drive disk (5) forms clamp port (4) between two rotating assembly (3), and drive disk (5) center was provided through a hole
(5a), drive disk (5) outer end face lean with two rotating assemblies (3) always under the elastic force effect of support spring (2), bracket
(1) it is equipped with through-hole (1a), which is characterized in that drive plate (6) are equipped in the through-hole (1a), through setting on drive plate (6)
Have and cross the relief hole (6a) that be connected to of a hole (5a) face, drive plate (6) is circumferentially fixed with drive disk (5) and drive disk (5) energy
Mobile along the axis direction for crossing a hole (5a) relative to drive plate (6), support spring (2) is set to drive plate (6) and drive disk (5)
Between, support spring (2) both ends are born against on drive plate (6) outer end face and drive disk (5) inner face, in drive plate (6)
End face is equipped with attachment (6b).
2. the automatic entrance-exit mechanism of pencil sharpening device according to claim 1, which is characterized in that the drive plate (6) is outside
End face is equipped with ring wall one (6c), and drive disk (5) inner face is equipped with ring wall two (5b), and the outer end (6c) of ring wall one is inserted
Enter in ring wall two (5b) and the two forms clearance fit, support spring (2) inner end is inserted on the inside of ring wall one (6c), ring
Shape partition wall one (6c) outer peripheral surface is fixed at least one convex block (6d), and (5b) inner face of ring wall two correspondence offers at least one
A notch (5b1), each convex block (6d) are inserted into corresponding notch (5b1).
3. the automatic entrance-exit mechanism of pencil sharpening device according to claim 2, which is characterized in that the ring wall one
(6c) outer end face is located at outside the face where through-hole (1a) external port, convex block (6d) outer end face and ring wall one (6c) outer end face phase
It flushes, there are resigning gap (7) between ring wall one (6c) and through-hole (1a) inner wall, the insertion of the inner end (5b) of ring wall two allows
In interdigit gap (7).
4. the automatic entrance-exit mechanism of pencil sharpening device according to claim 3, which is characterized in that the convex block (6d) is in side
Shape, convex block (6d) inner face are fixedly connected with drive plate (6) outer end face, and convex block (6d), drive plate (6) and ring wall one (6c) are
Integral structure.
5. the automatic entrance-exit mechanism of pencil sharpening device according to claim 1, which is characterized in that the drive plate (6) is outside
End face is equipped with ring wall one (6c), and drive disk (5) inner face is equipped with ring wall two (5b), and the inner end (5b) of ring wall two is inserted
Entering in ring wall one (6c) and the two forms clearance fit, the outer end of support spring (2) is located on the inside of ring wall two (5b),
Ring wall two (5b) outer peripheral surface is fixed at least one locating piece, and (6c) outer end face of ring wall one correspondence offers at least one
A positioning port, each locating piece are inserted into corresponding positioning port.
6. the automatic entrance-exit mechanism of pencil sharpening device according to claim 1, which is characterized in that two rotating assemblies (3) are equal
Including shaft (3a) and the castle wheel (3b) being socketed on shaft (3a) and pen feeding wheel (3c), two castle wheels (3b) are set to two turns
The opposite end of axis (3a) is formed above-mentioned clamp port (4) between two pen feeding wheels (3c) lateral wall, and two pen feeding wheels (3c) turn with corresponding
Axis (3a) is circumferentially fixed, two shafts (3a) if on it is axially disposed have dry elasticity plush copper (3a1), it is each elasticity plush copper (3a1) table
Face is spherical in shape, and each elastic plush copper (3a1) on same shaft (3a) is resisted against on the inner wall of pen feeding wheel (3c), works as drive disk
(5) along can be driven when being rotated into direction two castle wheels (3b) rotate and along place shaft (3a) it is close to each other, and when two from
Close wheel (3b) mutually close to when two pen feeding wheels (3c) can be pushed close to each other and rotate；When a direction is moved back on drive disk (5) edge to be rotated
Two castle wheels (3b) can be driven to rotate and be located remotely from each other along place shaft (3a), and when two castle wheels (3b) is located remotely from each other to institute
In the one end of shaft (3a), two castle wheels (3b) and place shaft (3a) are circumferentially fixed.
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| CN201910473727.4A CN110126520B (en) | 2019-06-01 | 2019-06-01 | Automatic pen feeding and retreating mechanism of pencil sharpening device |
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| CN110126520A true CN110126520A (en) | 2019-08-16 |
| CN110126520B CN110126520B (en) | 2024-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987093A (en) * | 2022-06-10 | 2022-09-02 | 昆明理工大学 | Multifunctional convenient pencil sharpener |
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|---|---|
| CN110126520B (en) | 2024-01-23 |
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