CN205468168U - Pencil sharpener - Google Patents
Pencil sharpener Download PDFInfo
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- CN205468168U CN205468168U CN201521115915.3U CN201521115915U CN205468168U CN 205468168 U CN205468168 U CN 205468168U CN 201521115915 U CN201521115915 U CN 201521115915U CN 205468168 U CN205468168 U CN 205468168U
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- pencil
- clamping pieces
- elastic clamping
- socket
- hole
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Abstract
The utility model discloses a pencil sharpener, include the casing and install just have the toolbox of pencil socket on the casing, still include the elasticity holder, the outer end of elasticity holder with casing relatively fixed, inner to the axis extend of pencil socket, it is a plurality of the elasticity holder centers on the even setting of the axis of pencil socket, and be used for the centre gripping to wait to cut the centre gripping hole of pencil its inner constitution. The utility model provides a pencil sharpener, the centre gripping hole no longer only is the through -hole that sets up fixed diameter on the part, but has constituteed a centre gripping hole by the inner of a plurality of elasticity holders for the diameter that the pencil can be complied with in the centre gripping hole changes, with the different pencil of adaptation centre gripping cross section size shape. Evenly set up owing to each elasticity holder simultaneously, so the clamping -force's of each elasticity holder size can be equal, so when the pencil of using different diameters, can be located same straight line by the effectual diameter of guaranteeing the pencil.
Description
Technical field
This utility model relates to stationery mechanical field, more particularly, it relates to a kind of pencil sharpener.
Background technology
The hazardness having in view of the penknife of general lamellar is bigger, based on this, designs in prior art
Pencil sharpener, the lamellar cutter of pencil sharpener arranges along the bus in hole, a taper location and fixes, blade to
In prominent and towards circumferencial direction, then pencil gradually rotates and feeding forward in hole, taper location, and
Carry out cutting pen during feeding.
In order to improve the simplicity cutting pen, pencil sharpener common in the art typically can include cutter as above
Lamps structure, the detent mechanism also including the direction of feed for positioning pencil and the driving driving cutter to rotate
Mechanism.Wherein detent mechanism typically uses the location of round tube hole that the diameter compatible that has and sharpened a pencil closes
Part.But cross section size and the size of different types of pencil all may be different in prior art,
And in prior art, pencil inserts for convenience, all can have certain between diameter and the round tube hole of pencil
Gap, it is accurate that this can cause pencil to position, the problem in turn resulting in core shift.The pen that this round tube hole adapts to
Class is fewer, and the kind in turn resulting in pencil sharpener adaptation is few.
In sum, how to efficiently solve the problem that pencil kind that pencil sharpener cuts is few, be current ability
Field technique personnel's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of pencil sharpener, and this pencil sharpener solves effectively
The problem that pencil kind that certainly pencil sharpener is cut is few.
In order to achieve the above object, the following technical scheme of this utility model offer:
A kind of pencil sharpener, including housing and the toolbox installing on the housing and having pencil socket,
Also include elastic clamping pieces；The outer end of described elastic clamping pieces is relatively fixed with described housing, inner to institute
The axis stating pencil socket extends；Multiple described elastic clamping pieces are around axis equal of described pencil socket
Even setting, and its inner composition is for clamping clamping hole to be sharpened a pencil.
Preferably, fixture ringwise, the outer end of described elastic clamping pieces and described fixture are also included
Fixing connection.
Preferably, described fixture is one-body molded with described elastic clamping pieces.
Preferably, the inner face of described elastic clamping pieces is center of circle folder along the bearing of trend on the edge, hole in clamping hole
Hold the circular arc type in hole.
Preferably, the inner face of described elastic clamping pieces is that the center of circle exists along the axis direction of described pencil socket
Circular arc type outside clamping hole.
Preferably, on described elastic clamping pieces, side away from described pencil socket has for will lead be cut
Pen is inducted into the inclined-plane in described clamping hole.
Preferably, described elastic clamping pieces includes the plate-like portion between the inner and outer end.
Preferably, described fixture plate-shaped and be perpendicular to described pencil socket axis arrange, described bullet
Property holder be arranged on described fixture the side near pencil socket.
Preferably, there are three described elastic clamping pieces.
A kind of pencil sharpener that this utility model provides, this pencil sharpener includes housing, toolbox and elastic clip
Gripping member, wherein toolbox and elastic clamping pieces are all directly or indirectly to be arranged on housing.Wherein
Toolbox has pencil socket.Wherein the outer end of elastic clamping pieces is relatively fixed with housing, resilient clamp
The inner of part extends to the axis of pencil socket.Elastic clamping pieces is provided with multiple, multiple elastic clamping pieces
Axis around pencil socket is uniformly arranged, and the inner composition of these multiple elastic clamping pieces is treated for clamping
The clamping hole sharpened a pencil.
When the pencil sharpener using this utility model to provide, when the pencil being relatively large in diameter being inserted into clamping hole
Time interior, pencil can promote elastic clamping pieces flexural deformation so that its inner is moved radially outwards, when multiple
After the inner of elastic clamping pieces is all displaced outwardly by promotion, clamping hole can increase until adapting to wait to sharpen a pencil
Diameter.Now elastic clamping pieces occurs bending and deformation, and now elastic clamping pieces can produce a flexural deformation
On power acts on and waits to sharpen a pencil, the elastic deformation force of multiple elastic clamping pieces applies active force round pencil,
And then define the chucking power to pencil, and again because elastic clamping pieces is uniformly distributed, thus former according to mechanics
Reason can also infer that, the elastic force of each elastic clamping pieces is equal in magnitude, thus each elastic clamping pieces
Inner deflection equal, make consistent with in advance of axis to be sharpened a pencil, and then ensure that elasticity
The guide effect of holder.
In sum, the pencil sharpener that this utility model provides, clamping hole is the most only to arrange on parts
Through hole, but by the inner of multiple elastic clamping pieces constitute one clamping hole so that clamping hole can
The diameter complying with pencil is changed, to adapt to clamp the pencil that cross section size shape is different.Simultaneously by
It is uniformly arranged in each elastic clamping pieces, so the size of the chucking power of each elastic clamping pieces can be equal,
So when applying the pencil of different-diameter, it is possible to the effective diameter ensureing pencil is positioned at same straight line
On.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
The structural representation of the pencil sharpener that Fig. 1 provides for this utility model embodiment；
The mounting structure schematic diagram of the elastic clamping pieces that Fig. 2 provides for this utility model embodiment.
Detailed description of the invention
This utility model embodiment discloses a kind of pencil sharpener, and this pencil sharpener efficiently solves what pencil sharpener was cut
The problem that pencil kind is few.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to the structural representation of the pencil sharpener that Fig. 1-Fig. 2, Fig. 1 provide for this utility model embodiment；Figure
The mounting structure schematic diagram of 2 elastic clamping pieces provided for this utility model embodiment.
In a kind of specific embodiment, present embodiments provide a kind of pencil sharpener, this pencil sharpener include housing 1,
Toolbox 2 and elastic clamping pieces 3, its middle shell 1, for assembling all parts of pencil sharpener, makes each portion
Part keeps relatively-stationary relation, and wherein toolbox 2 and elastic clamping pieces 3 are all directly or indirectly to pacify
It is contained on housing 1.Wherein toolbox 2 has pencil socket 21, and pencil is inserted by pencil socket 21,
Then make pencil and toolbox 2 relatively rotate and make pencil to carry out feeding to move, just can realize cutting pen.
Concrete toolbox 2 is referred to prior art, and concrete structure repeats no more.
Wherein the outer end 32 of elastic clamping pieces 3 is relatively fixed with housing 1, and the inner 31 of elastic clamping pieces 3 is to lead
The axis of penholder mouth 21 extends, and wherein the outer end 32 of elastic clamping pieces 3 can directly fixing with housing 1 be connected,
Can certainly be relatively fixed with housing 1 by with other parts.Elastic clamping pieces 3 is provided with multiple, many
Individual elastic clamping pieces 3 is uniformly arranged around the axis of pencil socket 21, and these multiple elastic clamping pieces 3 is interior
End 31 composition is for clamping clamping hole to be sharpened a pencil, in the pencil being relatively large in diameter is inserted into clamping hole
Time, pencil can promote elastic clamping pieces 3 flexural deformation so that its inner 31 is moved radially outwards, when multiple
After the inner 31 of elastic clamping pieces 3 is all displaced outwardly by promotion, clamping hole can increase until adapting to wait to sharpen a pencil
Diameter.Now elastic clamping pieces 3 occurs bending and deformation, and now elastic clamping pieces 3 can produce a bending
On deformation force acts on and waits to sharpen a pencil, the elastic deformation force of multiple elastic clamping pieces 3 applies to make round pencil
Firmly, and then define the chucking power to pencil, again because elastic clamping pieces 3 is uniformly distributed, so according to
Mechanics principle can also infer that, the elastic force of each elastic clamping pieces 3 is equal in magnitude, thus each is elastic
The inner 31 deflection of holder 3 is equal, makes consistent with in advance of axis to be sharpened a pencil, and then can
Ensure the guide effect of elastic clamping pieces 3.Still want to herein it is emphasised that, it is contemplated that the weight of pencil, permissible
The correction that coefficient between elastic force and the flexural deformation of each elastic clamping pieces 3 is adapted.
In the present embodiment, clamping hole is the most only the through hole arranged on parts, but by multiple bullets
Property holder 3 the inner 31 constitute a clamping hole so that clamping hole can be complied with the diameter of pencil and be carried out
Change, to adapt to clamp the pencil that cross section size shape is different.Simultaneously because each elastic clamping pieces 3 is equal
Even setting, so the size of the chucking power of each elastic clamping pieces 3 can be equal, so at application different-diameter
Pencil time, it is possible to the effective diameter ensureing pencil is located on the same line.
For the ease of installing elastic clamping pieces 3, fixture 4 ringwise can be provided with again, and by elasticity
The outer end 32 of holder 3 is fixing with fixture 4 to be connected, and wherein fixing connection can be welding, welding or
Body formed, it is contemplated that the convenience manufacturing and installing, fixture 4 can be made to become with elastic clamping pieces 3 one
Type.Wherein fixture 4 can be in annular, and the center of circle is on the axis of pencil socket 21.For the ease of peace
Dress fixture 4, can make fixture 4 plate-shaped, and the axis that should be perpendicular to pencil socket 21 is arranged.For
Make elastic clamping pieces 3 have bigger bending deformation quantity, elastic clamping pieces 3 can be made to be arranged on described solid
Near the side of pencil socket 21 in locking member 4.
Elastic clamping pieces 3 can be elasticity of plastics holder 3, it is possible to be metallic elastic holder 3, it is only necessary to
Its material used can produce certain flexural deformation.In order to make the elastic clamping pieces 3 can be more preferable
Clamp and wait to sharpen a pencil, more efficiently avoid pencil radially to rock.Based on this, elasticity can be made
The inner face of holder 3 is circular arc type along the bearing of trend on the edge, hole in clamping hole, and the center of circle of this circular arc type exists
In clamping hole, even if inner face concaves along direction along the hole clamping hole.Wherein it should be noted that folder
The edge, hole holding hole refers to the edge along excircle setting to be sharpened a pencil, and arc the most herein can be fitted
Arc surface that should be to be sharpened a pencil, so that inner face is fitted waits the setting that sharpens a pencil as far as possible.
Slide conveniently in clamping hole to make to wait to sharpen a pencil, the inner face of elastic clamping pieces 3 can be made along lead
The axis direction of penholder mouth 21 is center of circle circular arc type outside clamping hole, i.e. at inner face along pencil socket 21
Axis direction on, inner face outer lug, and crowning is circular arc type, it is possible at crowning and lead to be cut
Pen is along during the axis direction relative movement of pencil socket 21, it is to avoid scratch the lateral surface of pencil.
In order to make pencil preferably inject in clamp port, can make on elastic clamping pieces 3 away from pencil socket 21
Side there is the inclined-plane being inducted in clamping hole of will waiting to sharpen a pencil.When inclined-plane with when offseting wait sharpening a pencil,
Thrust to be sharpened a pencil is divided into two power, a power to be used for promoting elastic clamping pieces 3 flexural deformation by inclined-plane,
Another power be used for guiding wait to sharpen a pencil slide into clamping hole in.
For the ease of manufacturing elastic clamping pieces 3, the middle part that can make elastic clamping pieces 3 is plate-like portion, i.e. should
Plate-like portion is between inner 31 and outer end 32.Herein it is emphasized that in order to enable pencil elastic
On holder 3, the side away from pencil socket 21 is inserted, it should outside making the inner 31 of elastic clamping pieces 3 compare
End 32 is closer to pencil socket 21.When considering that elastic clamping pieces 3 is too much, cause manufacture difficulty big, and
Manufacturing process is required height, and when elastic clamping pieces 3 is only two, centering property is not the most fine, can cause
Elastic clamping pieces 3 can not play preferably guide effect, based on this, can make the individual of elastic clamping pieces 3
Number is three.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (9)
1. a pencil sharpener, including housing (1) with to be arranged on described housing (1) upper and have pencil and insert
The toolbox (2) of mouth (21), it is characterised in that also include elastic clamping pieces (3)；Described bullet
Property holder (3) outer end (32) be relatively fixed with described housing (1), inner (31) are to described
The axis of pencil socket (21) extends；Multiple described elastic clamping pieces (3) are around described pencil socket (21)
Axis be uniformly arranged, and its inner (31) composition is for clamping clamping hole to be sharpened a pencil.
Pencil sharpener the most according to claim 1, it is characterised in that also include fixture ringwise
(4), described outer end (32) are fixing with described fixture (4) is connected.
Pencil sharpener the most according to claim 2, it is characterised in that described fixture (4) and institute
State elastic clamping pieces (3) one-body molded.
4. according to the pencil sharpener described in any one of claim 2-3, it is characterised in that described resilient clamp
The inner face of part (3) is that the center of circle is positioned at described clamping hole along the bearing of trend on the edge, hole in described clamping hole
Circular arc type.
Pencil sharpener the most according to claim 4, it is characterised in that described elastic clamping pieces (3)
Inner face be the circular arc that the center of circle is positioned at outside described clamping hole along the axis direction of described pencil socket (21)
Type.
Pencil sharpener the most according to claim 5, it is characterised in that described elastic clamping pieces (3)
On have away from the side of described pencil socket (21) and to be inducted in described clamping hole for waiting to sharpen a pencil
Inclined-plane.
Pencil sharpener the most according to claim 6, it is characterised in that described elastic clamping pieces (3)
Including the plate-like portion (33) being positioned between described the inner (31) and described outer end (32).
Pencil sharpener the most according to claim 7, it is characterised in that described fixture (4) is in plate
Shape and be perpendicular to described pencil socket (21) axis arrange, described elastic clamping pieces (3) is arranged on institute
State the upper side near described pencil socket (21) of fixture (4).
Pencil sharpener the most according to claim 8, it is characterised in that there are three described resilient clamp
Part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115915.3U CN205468168U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115915.3U CN205468168U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205468168U true CN205468168U (en) | 2016-08-17 |
Family
ID=56662670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521115915.3U Active CN205468168U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205468168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421986A (en) * | 2020-04-24 | 2020-07-17 | 茂新五金制品（深圳）有限公司 | Pencil inlet of pencil sharpener matched with pencils of different specifications |
| CN112757822A (en) * | 2021-02-05 | 2021-05-07 | 宁波天天文具有限公司 | Center positioning device, trigger device and electric pencil sharpener |
-
2015
- 2015-12-28 CN CN201521115915.3U patent/CN205468168U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421986A (en) * | 2020-04-24 | 2020-07-17 | 茂新五金制品（深圳）有限公司 | Pencil inlet of pencil sharpener matched with pencils of different specifications |
| CN112757822A (en) * | 2021-02-05 | 2021-05-07 | 宁波天天文具有限公司 | Center positioning device, trigger device and electric pencil sharpener |
| CN112757822B (en) * | 2021-02-05 | 2022-08-16 | 宁波天天文具有限公司 | Center positioning device, trigger device and electric pencil sharpener |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |