CN208993373U - A kind of pencil holding mechanism of penknife - Google Patents
A kind of pencil holding mechanism of penknife Download PDFInfo
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- CN208993373U CN208993373U CN201821595345.6U CN201821595345U CN208993373U CN 208993373 U CN208993373 U CN 208993373U CN 201821595345 U CN201821595345 U CN 201821595345U CN 208993373 U CN208993373 U CN 208993373U
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- collet
- pencil
- holding mechanism
- turntable
- pedestal
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to a kind of pencil holding mechanisms of penknife, pencil holding mechanism includes equal pedestal, turntable, clamping device, the clamping device is placed in the pedestal, the turntable is located at the pedestal upper end, the clamping device includes rotating arm, collet, and the front end of the rotating arm is equipped with collet axis, and the collet is rotatably connected on collet axis, the collet is rotary structure, and the side of the collet longitudal section is arc structure；The beneficial effects of the utility model are: collet is rotary structure, collet can be tightly attached to the side wall of pencil, the pencil of the either either more sides of triangular pencil can clamp, the structure of arcuation can tightly clamp pencil during collet rotates always, it the axle center of pencil also can be more stable, the case where also shaking after clamping is avoided, solves the clamping problem of the special-shaped pencil such as conventional cylindrical pencil and triangular pencil.
Description
Technical field
The utility model relates to field of mechanical technique more particularly to a kind of pencil holding mechanisms of penknife.
Background technique
Existing penknife is generally divided into hand penknife and electrodynamic type penknife, either hand or electrodynamic type
All include pencil holding mechanism and penknife structure, when cutting, pencil is passed through into pencil holding mechanism and enters penknife structure, passes through pencil holding mechanism
Pencil is clamped, then penknife structure is recycled to cut in a manner of manually or electrically pencil, after the completion of pencil cutting
Pencil is unclamped by pencil holding mechanism again, finally takes out pencil.
But common pencil is many kinds of on the market, structure is no longer regular cylindrical body already, as each row is each
There are many special-shaped pencils in the demand of industry development, such as triangle pen, pencil main body have no longer been cylindrical body but by more days sides
The pencil in gengon structure of side composition, the clamping for this kind of special-shaped pencil, common pencil holding mechanism cannot be located
And clamp, so often bringing many troubles when cutting this kind of pencil.
Summary of the invention
For the status of the prior art, a kind of pencil holding mechanism of penknife is provided, problem to be solved is each to shape
The clamping of different pencil and the stability for improving pen clip.
The technical solution adopted in the utility model is: a kind of pencil holding mechanism of penknife, and pencil holding mechanism includes equal pedestal, turns
Disk, clamping device, the clamping device are placed in the pedestal, and the turntable is located at the pedestal upper end, the clamping device
Including rotating arm, collet, the collet is fixed on the rotating arm.
The beneficial effects of the utility model are: this pencil holding mechanism can be applied to hand penknife or electrodynamic type penknife,
When pencil passes through pencil holding mechanism, the clamping device being arranged in base will receive the extruding of pencil to expand outwardly, collet
For rotary structure, collet can be tightly attached to the side wall of pencil, and the pencil of the either either more sides of triangular pencil can
It clamps, the rotating arm of extruding of the clamping device by pencil, clamping device can be rotated around rotating fulcrum, and the principle of rotation is thick stick
Rod principle；The side of collet is contacted with pencil, and the structure of arcuation can tightly clamp pencil, lead during collet rotates always
The axle center of pen also can be more stable, avoids the case where also shaking after clamping, solves conventional cylindrical pencil and triangle
The clamping problem of the abnormity pencil such as pencil.
Preferably, one end of the rotating arm is equipped with collet axis, and the collet is rotatably connected on collet axis, the collet
For rotary structure, the side of the collet longitudal section is arc structure.
Preferably, at middle part, the rotating fulcrum position of the rotating arm, which is equipped with, to be turned for the rotating fulcrum setting of the rotating arm
Axis hole, the rotating arm are equipped with guide post far from one end of the collet, and the guide post is slidably connected on the turntable, institute
Stating turntable can be in the fashionable rotation of penholder and while rotating can drive collet clamp or release pencil, the rotary principle of rotating arm be axis around
Hole rotation, rotary shaft are arranged on top cover, and when top cover is fixed on the base, rotary shaft can pass through kidney slot and rotation on turntable
Shaft hole on pivoted arm is connected, and arc length corresponding to the kidney slot on turntable, that is, turntable rotation stroke, rotating arm rotates meeting
Guide post rotation is driven, guide post is slidably connected with turntable, so that turntable be driven to rotate, turntable is equipped with reset spring；It is original
Under state, clamping device has under the action of reset spring in the state pre-tightened, and in turntable rotation, reset spring can be received
Tightly, so that collet it is tighter clamp pencil, when cut pencil extract pencil when, turntable is under the action of reset spring
It resets, while rotating arm and collet being driven to reset.Clamping device, turntable complement each other between reset spring three, make jointly
With.
Preferably, from top to bottom diameter of a circle corresponding to its cross section is gradually increased the collet；The folder of this structure
Head can more tightly clamp common pencil, and can be used for clamping the special-shaped pencil such as triangular pencil, the circular arc side wall energy of collet
It is bonded with the side wall of triangular pencil, under the action of reset spring, what collet can be tighter clamps triangular pencil, and applicability is more
Extensively.
Preferably, the quantity of the clamping device is three；Three clamping devices can clamp triangular pencil or polygon different
Shape pencil can also clamp common columned pencil.
Preferably, the middle position of the collet is equipped with a through-hole, and the collet axis passes through described in the through-hole and stretching
Outside collet；When pencil is inserted into pencil holding mechanism, the clamping device in pedestal will receive downward active force, is equipped with and supplies in pedestal
The sliding rail block of collet axis sliding, when by downward active force, the case where clamping device is not in loosening, and sliding rail
The shape of block is consistent with the stroke shape of collet axis, i.e. for collet in Forced rotation, collet axis can just be on sliding rail block
It slidably reciprocates, sliding rail block can also support clamping device, so the clamping device in pedestal is not when pencil is inserted into pencil holding mechanism
It will appear the case where loosening up and down, improve the stability of pen clip.
Preferably, the sliding rail block for collet axis sliding, the interposition of the base bottom surface are equipped in the pedestal
Install the third pen plughole entered for penholder.
Preferably, the turntable be equipped with kidney slot, stroke groove, guide groove, the second pen plughole, the kidney slot with it is described
Shaft hole is corresponding, and second pen plughole is corresponding with the third pen plughole, and the guide groove is connected with the guide post
It connects.Guide groove links together with the guide post on rotating arm, when collet is expanded outwardly by pencil extruding, rotating arm is driven to rotate
Activity supporting point rotation, so that the guide post of rotating arm rear end drives turntable rotation, the stroke groove on turntable is reset spring
Stroke, reset spring one end are fixed on turntable, and the other end and the fixed axis connection of reset spring, reset spring fixing axle are fixed
On top cover, when top cover is connect with pedestal, reset spring fixing axle can pass through stroke groove and protrude into pedestal, so turning in turntable
When dynamic, reset spring can be tightened, and the length of reset spring tightening is arc length corresponding to stroke groove.
Preferably, the pedestal is equipped with a top cover, and the top cover is connected with the pedestal, and the top cover is equipped with rotation
Shaft, reset spring fixing axle, the first pen plughole, the rotary shaft passes through the kidney slot and the shaft hole is rotatablely connected,
The reset spring fixing axle passes through the stroke groove, and first pen plughole is corresponding with second pen plughole.
Preferably, the turntable is equipped with reset spring, and described reset spring one end is fixed on the turntable, another
It holds and is fixed in the reset spring fixing axle.
Detailed description of the invention
Fig. 1 is the utility model base interior structural schematic diagram；
Fig. 2 is the utility model collet longitudal section structural schematic diagram；
Fig. 3 is the utility model clamping device structural schematic diagram；
Fig. 4 is the utility model turntable and pedestal fit structure schematic diagram；
Fig. 5 is the schematic diagram that the utility model turntable structure and reset spring are connect with turntable
Fig. 6 is the utility model cap structure schematic diagram；
Fig. 7 is the utility model pencil holding mechanism and penknife assembling structure schematic diagram.
In figure, 1, pedestal, 2, turntable, 3, clamping device, 31, rotating arm, 32, collet, 311, collet axis, 312, guiding
Column, 321, through-hole, 4, sliding rail block, 11, third pen plughole, 313, shaft hole, 21, kidney slot, 22, stroke groove, 23, guiding
Slot, the 24, second pen plughole, 5, top cover, 51, rotary shaft, 52, reset spring fixing axle, the 53, first pen plughole, 6, reset spring,
15, fixation hole, 54, fixing axle.
Specific embodiment
The principles of the present invention and feature are described below, example is served only for explaining the utility model, and
It is non-to be used to limit the scope of the utility model.
As shown in Figures 1 to 4, a kind of pencil holding mechanism of penknife, pencil holding mechanism include equal pedestal 1, turntable 2, clamping device
3, clamping device 3 is placed in pedestal 1, and turntable 2 is located at 1 upper end of pedestal, and clamping device 3 includes rotating arm 31, collet 32, rotating arm
31 one end is equipped with collet axis 311, and collet 32 is rotatably connected on collet axis 311, and collet 32 is rotary structure, and collet 32 is vertical
The side of section is arc structure；The rotating fulcrum of rotating arm 31 is arranged at middle part, and the rotating fulcrum position of rotating arm 31 is equipped with
Shaft hole 313, rotating arm 31 are equipped with guide post 312 far from one end of collet 32, and guide post 312 is slidably connected on turntable 2, is turned
Disk 2 can drive 32 clamp or release pencil of collet in the fashionable rotation of penholder and rotation.
From top to bottom diameter of a circle corresponding to its cross section is gradually increased collet 32.
In the present embodiment, the quantity of clamping device is three, because three clamping devices have better stability, and
Interference will not be generated between each other during pen clip.
The middle position of collet 32 is equipped with a through-hole 321, and collet axis 311 passes through through-hole 321 and stretches out outside collet 32, collet
32 are rotatably connected on collet axis 311.
The sliding rail block 4 slided for collet axis 311 is equipped in pedestal 1, the middle position of 1 bottom surface of pedestal is equipped with to enter for penholder
Third pen plughole 11.
Turntable 2 is equipped with kidney slot 21, stroke groove 22, guide groove 23, the second pen plughole 24, kidney slot 21 and shaft hole
313 is corresponding, and the second pen plughole 24 is corresponding with third pen plughole 11, and guide groove 23 is slidably connected with guide post 312.
Pedestal 1 is equipped with a top cover 5, and top cover 5 is connected with pedestal 1, fixation hole 15 is equipped on pedestal 1, in top cover 5
It is equipped with the fixing axle 54 matched with fixation hole 15, is cooperated between pedestal 1 and top cover 5 by hole axle, so that top cover 5 be consolidated
It is scheduled on pedestal 1, top cover 5 is equipped with rotary shaft 51, reset spring fixing axle 52, the first pen plughole 53, and rotary shaft 51 passes through waist
Shape slot 21 and shaft hole 313 are rotatablely connected, and reset spring fixing axle 52 passes through stroke groove 22 and protrudes into pedestal 1, the first pen plughole
53 is corresponding with the second pen plughole 24.
Turntable 2 is equipped with reset spring 6, and 6 one end of reset spring is fixed on turntable 2, the other end and is fixed on reset
In spring fixing axle 52.
Utility model works principle: pen is inserted into from top cover, sequentially passes through the first pen plughole, the second pen plughole, third
Pen plughole, when in pen to motor seat, since the reset spring on turntable has a pre-stressed position, so the folder in pedestal at this time
Holding mechanism will receive the extruding of pen to rotate, and in collet rotation, rotating arm drives guide post rotation, rotating arm as lever
Rotating fulcrum be shaft hole position, and guide post will drive turntable rotation, turntable rotation will drive be fixed on turn
Reset spring tightening on disk, during tightening, arc length corresponding to the stroke groove on turntable is that turntable is rotatable
Stroke, reset spring one end are fixed on turntable, and the other end is fixed in reset spring fixing axle, due to the receipts of reset spring
Tightly, after penholder being entered penknife fixation, clamping device will receive the elastic force of reset spring, to make clamping device is tighter to clamp
Pen, the collet of clamping device are rotary structure, and the contact surface of collet and pen is arc surface, in this way, during pen clip, nothing
By the special-shaped pen for being common cylinder pen or other similar triangle pen, collet can clamp well, and stability is higher.
After pen enters the penknife structure of penknife, at this moment penknife structure just starts to cut pen, which can be adapted to
Hand penknife can also be adapted to electrodynamic type penknife, after having cut pencil, take out pencil, clamping device turns round, on turntable
Reset spring resets.
Several preferred embodiments of the present invention, but it has been observed that it should be understood that this reality has shown and described in above description
Be not limited to forms disclosed herein, be should not be regarded as an exclusion of other examples with novel, and can be used for it is various its
He combines, modification and environment, and can pass through above-mentioned introduction or related fields within the scope of the inventive concept described herein
Technology or knowledge are modified.And changes and modifications made by those skilled in the art do not depart from the spirit and model of the utility model
It encloses, then it all should be in the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of pencil holding mechanism of penknife, pencil holding mechanism includes equal pedestal (1), turntable (2), clamping device (3), and feature exists
In: the clamping device (3) is placed in the pedestal (1), and the turntable (2) is located at the pedestal (1) upper end, the clamping machine
Structure (3) includes rotating arm (31), collet (32), and the collet (32) is fixed on the rotating arm (31).
2. the pencil holding mechanism of penknife according to claim 1, it is characterised in that: one end of the rotating arm (31) is equipped with
Collet axis (311), the collet (32) are rotatably connected on collet axis (311), and the collet (32) is rotary structure, described
The side of collet (32) longitudal section is arc structure.
3. the pencil holding mechanism of penknife according to claim 2, it is characterised in that: the rotating fulcrum of the rotating arm (31)
Setting is equipped with shaft hole (313) in middle part, the rotating fulcrum position of the rotating arm (31), and the rotating arm (31) is far from described
One end of collet (32) is equipped with guide post (312), and the guide post (312) is slidably connected on the turntable (2), the turntable
(2) collet (32) clamp or release pencil can be driven in the fashionable rotation of penholder and rotation.
4. the pencil holding mechanism of penknife according to claim 1, it is characterised in that: from top to bottom it is horizontal for the collet (32)
Diameter of a circle corresponding to section is gradually increased.
5. the pencil holding mechanism of penknife according to claim 1, it is characterised in that: the quantity of the clamping device (3) is
Three.
6. the pencil holding mechanism of penknife according to claim 2, it is characterised in that: the interposition of the collet (32) installs
Have a through-hole (321), the collet axis (311) passes through the through-hole (321) and stretches out the collet (32) outside.
7. the pencil holding mechanism of penknife according to claim 3, it is characterised in that: be equipped in the pedestal (1) described in supplying
The sliding rail block (4) of collet axis (311) sliding, the middle position of pedestal (1) bottom surface are equipped with the third entered for penholder and insert pen
Hole (11).
8. the pencil holding mechanism of penknife according to claim 7, it is characterised in that: the turntable (2) is equipped with kidney slot
(21), stroke groove (22), guide groove (23), the second pen plughole (24), the kidney slot (21) and the shaft hole (313) are opposite
It answers, second pen plughole (24) is corresponding with third pen plughole (11), the guide groove (23) and the guide post
(312) it is slidably connected.
9. the pencil holding mechanism of penknife according to claim 8, it is characterised in that: pedestal (1) is equipped with a top cover (5),
The top cover (5) is connected with the pedestal (1), and the top cover (5) is equipped with rotary shaft (51), reset spring fixing axle
(52), the first pen plughole (53), the rotary shaft (51) pass through the kidney slot (21) and the shaft hole (313) rotation and connect
Connect, the reset spring fixing axle (52) passes through the stroke groove (22) and protrudes into pedestal (1), first pen plughole (53) with
Second pen plughole (24) is corresponding.
10. the pencil holding mechanism of penknife according to claim 9, it is characterised in that: the turntable (2), which is equipped with, resets bullet
Spring (6), described reset spring (6) one end are fixed on the turntable (2), the other end and are fixed on reset spring fixing axle
(52) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595345.6U CN208993373U (en) | 2018-09-29 | 2018-09-29 | A kind of pencil holding mechanism of penknife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595345.6U CN208993373U (en) | 2018-09-29 | 2018-09-29 | A kind of pencil holding mechanism of penknife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208993373U true CN208993373U (en) | 2019-06-18 |
Family
ID=66802496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595345.6U Active CN208993373U (en) | 2018-09-29 | 2018-09-29 | A kind of pencil holding mechanism of penknife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208993373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452545A (en) * | 2020-04-10 | 2020-07-28 | 湖州禾辞电子商务有限公司 | Anti-breakage automatic pencil sharpener capable of conducting quantitative pencil sharpening based on capacitance change |
| CN116766814A (en) * | 2022-10-27 | 2023-09-19 | 得力集团有限公司 | Pen clamping mechanism for pencil sharpener |
-
2018
- 2018-09-29 CN CN201821595345.6U patent/CN208993373U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452545A (en) * | 2020-04-10 | 2020-07-28 | 湖州禾辞电子商务有限公司 | Anti-breakage automatic pencil sharpener capable of conducting quantitative pencil sharpening based on capacitance change |
| CN116766814A (en) * | 2022-10-27 | 2023-09-19 | 得力集团有限公司 | Pen clamping mechanism for pencil sharpener |
| WO2024088441A1 (en) * | 2022-10-27 | 2024-05-02 | 得力集团有限公司 | Pencil clamping mechanism of pencil sharpener |
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