CN205220177U - Pencil sharpener - Google Patents
Pencil sharpener Download PDFInfo
- Publication number
- CN205220177U CN205220177U CN201521115044.5U CN201521115044U CN205220177U CN 205220177 U CN205220177 U CN 205220177U CN 201521115044 U CN201521115044 U CN 201521115044U CN 205220177 U CN205220177 U CN 205220177U
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- China
- Prior art keywords
- toolbox
- pencil sharpener
- locating hole
- ring
- elastic component
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Abstract
The utility model discloses a pencil sharpener, including have the pivot the driver part, with the pivot is followed toolbox that the axis direction of pivot was pegged graft, with the head sliding fit's of toolbox locating hole and be used for promoting the toolbox to the elastic component that the driver part removed still includes integrated into one piece's position circle, be provided with on the position circle the locating hole. Using the utility model provides a during pencil sharpener and since with the locating hole setting on the position circle, and the position circle be integrated into one piece spare, so the locating hole can not appear because the connection of two parts not hard up and lead to the fact the problem of the aperture grow of in use locating hole, and then can avoid leading to the fact because of location aperture grow the toolbox problem of drunkenness to appear effectively, just can guarantee also that the cutter pivoted is stable. So this pencil sharpener can solve the problem that pencil sharpener cut the eccentric and disconnected core of pen effectively.
Description
Technical field
The utility model relates to stationery mechanical field, more particularly, relates to a kind of pencil sharpener.
Background technology
Consider that the harmfulness of the penknife tool of general sheet is larger, based on this, pencil sharpener is devised in prior art, the sheet cutter of pencil sharpener arranges along the bus of a taper locating hole and fixes, blade is inwardly outstanding and towards circumferencial direction, make when pencil rotate gradually in taper locating hole and march forward to, cutter can carry out cutting pen in the process of feeding.
Pencil sharpener common in prior art can comprise the driver part with drive shaft, tail end to be plugged in drive shaft and can be driven by drive shaft the toolbox rotated, be set in the head of toolbox and the locating hole be slidably matched with the head of toolbox, and be plugged on the spring of drive shaft for promoting toolbox.Reverse push cutter assembly, to overcome the elastic force of spring, until the afterbody of toolbox and drive shaft depart from grafting, now rotary cutter assembly a little, just can make the afterbody of toolbox depart from drive shaft, so just can take out toolbox.Should be noted that the head of toolbox and the hole wall of locating hole should be linear contact lay herein, to make the tail end of toolbox can around head rotation.
But because locating hole is made up of two parts, in Long-Time Service, the connection between two parts there will be loosening, cause the diameter of locating hole to become large, now toolbox just there will be radial direction and rocks, and can cause and cut a core shift and disconnected core.
In sum, how effectively solving the problem that pencil sharpener cuts pen bias and disconnected core, is current those skilled in the art'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 can solve the problem that pencil sharpener cuts pen bias and disconnected core effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of pencil sharpener, comprise there is rotating shaft driver part, with described rotating shaft along the toolbox of the axis direction grafting of described rotating shaft, the locating hole be slidably matched with the head of described toolbox and for promoting the elastic component of described toolbox to described driver part movement, also comprise integrated centring ring, described centring ring is provided with described locating hole.
Preferably, described centring ring is provided with the boss portion extended internally away from one end of described toolbox, described elastic component is arranged between described boss portion and described toolbox.
Preferably, also comprise the reseting ring be arranged between described elastic component and described toolbox, described reseting ring and described centring ring are slidably matched.
Preferably, described reseting ring is provided with fastener portion, described centring ring is provided with and coordinates with described fastener portion and for stoping described reseting ring to the dogging shoulder of described toolbox movement.
Preferably, corresponding with described fastener portion on described centring ring position is provided with through hole.
Preferably, described elastic component is Compress Spring, and described reseting ring arranges and is provided with tube, and described elastic component is set on described tube.
Preferably, the gear that described driver part comprises motor and is connected with the spindle drive of described motor, described gear is provided with described rotating shaft.
A kind of pencil sharpener that the utility model provides, this pencil sharpener comprises driver part, toolbox, locating hole, centring ring and elastic component.Wherein driver part is provided with rotating shaft, the axis direction grafting along rotating shaft of toolbox and rotating shaft, and the rotation of its shaft can be rotated by carry its tools assembly together, and then enables toolbox carry out cutting pen in rotation process.Wherein the head of locating hole and toolbox is slidably matched, and wherein elastic component moves to driver part for promoting toolbox.Wherein locating hole is arranged on centring ring, and centring ring is one-body molded.
When the pencil sharpener using the utility model to provide, owing to locating hole being arranged on centring ring, the part and centring ring is formed in one, therefore locating hole there will not be because the connection of two parts loosens and causes the problem that the aperture of in use locating hole becomes large, and then effectively can avoid because locating hole aperture becomes large and cause toolbox to occur the problem of play, also just can ensure the stability that cutter rotates.So this pencil sharpener can solve the problem that pencil sharpener cuts pen bias and disconnected core effectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the pencil sharpener that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
The utility model embodiment discloses a kind of pencil sharpener, effectively to solve the problem that pencil sharpener cuts pen bias and disconnected core.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the pencil sharpener that Fig. 1 provides for the utility model embodiment.
In a kind of specific embodiment, present embodiments provide a kind of pencil sharpener, this pencil sharpener comprises driver part, toolbox 2, locating hole, centring ring 3 and elastic component 4.Wherein driver part is provided with rotating shaft 1, the axis direction grafting along rotating shaft 1 of toolbox 2 and rotating shaft 1, and the rotation of its shaft 1 can be rotated by carry its tools assembly 2 together, and then makes toolbox 2 carry out cutting pen in rotation process.Annexation between concrete rotating shaft 1 and toolbox 2 with reference to prior art, can not repeat them here.Wherein the rotation of the rotating shaft 1 of driver part can be by manually driven, also can be by motor-driven, when being driven by motor, the gear that driver part comprises motor and is connected with the spindle drive of motor can be made, and on gear, be provided with this rotating shaft 1, its middle gear can play the effect of deceleration.
Wherein the head of locating hole and toolbox 2 is slidably matched, wherein elastic component 4 moves to for driver part for promoting toolbox 2, this time the effect that rises should be as the prior art, when reverse push cutter assembly 2, toolbox 2 is made to overcome the elastic force of elastic component 4, after oppositely moving a certain distance, toolbox 2 and rotating shaft 1 is made to depart from grafting, now toolbox 2 makes the inserted terminal of toolbox 2 depart from rotating shaft 1 around the head rotation of toolbox 2, now just can take off toolbox 2.
Wherein locating hole is arranged on centring ring 3, and centring ring 3 is one-body molded, so locating hole is no longer formed by two component combinations, but be made on one component, the aperture of the locating hole that the annexation between thus just can not occurring again because of two parts occurs loosening and causes becomes large problem.
In the present embodiment, on locating hole being arranged on one-body molded, so there will not be the problem that the aperture of in use locating hole becomes large, and then effectively can avoid because locating hole aperture becomes large and cause toolbox 2 to occur the problem of play, also just can ensure the stability that cutter rotates.So this pencil sharpener can solve the problem that pencil sharpener cuts pen bias and disconnected core effectively.
Wherein elastic component 4 can be arranged between housing and toolbox 2, one end of elastic component 4 directly be offseted with housing, but can more complicated be operated when assembling like this, and it is large to assemble difficulty.Assemble again after centring ring 3 and elastic component 4 can be made in advance to fix.Based on this, centring ring 3 can will be provided with the boss portion extended internally away from one end of toolbox 2, elastic component 4 is arranged between boss portion and toolbox 2, namely before centring ring 3, toolbox 2 and elastic component 4 are installed on housing, can first these assembling parts are good after install again.It is emphasized that herein, extend to housing from the head of toolbox 2 and should be provided with the pencil socket of through toolbox 2 and the pencil jack of hull outside.
In order to avoid elastic component 4 is direct and toolbox 2 offsets, easily damages toolbox 2, can be provided with reseting ring 5 between elastic component 4 and toolbox 2, wherein reseting ring 5 and centring ring 3 are slidably matched.By reseting ring 5 be provided be beneficial to avoid elastic component 4 directly and toolbox 2 directly offset.Consider and often need to pull down toolbox 2, after pulling down toolbox 2, elastic component 4 preferably can be effectively avoided easily to drop out, can make reseting ring 5 arranges fastener portion 51, and on centring ring 3, be provided with the dogging shoulder coordinated with fastener portion 51, when dogging shoulder and 51 clamping of fastener portion, reseting ring 5 should be stoped to move to toolbox 2.Concrete fastener portion 51 can comprise the bar portion along Axis Extension, and the one end in bar portion is fixedly connected with the body of reseting ring 5, and the other end is provided with outward extending lug boss.When loading reseting ring 5, one end bar portion with lug boss can curve inwardly distortion, to allow to enter in locating hole, when crossing dogging shoulder place, dogging shoulder extends radially outward, and lug boss can be made like this to be stuck on dogging shoulder under the effect of the elasticity of flexure power in bar portion.When mounting cutter assembly 2, promote toolbox 2 and move, to make reseting ring 5 move, now lug boss can move to the direction away from dogging shoulder.And when again taking out toolbox 2, due to fastener portion 51 and dogging shoulder clamping, and then make reseting ring 5 cannot continue outside movement, then make reseting ring 5 drop out.
Consider, assembly defect, or change the reasons such as elastic component 4, needs can take out reseting ring 5 again, but because fastener portion 51 and the inside being connected to locating hole of dogging shoulder, are difficult to make cadre's flexural deformation, and then reseting ring 5 can be taken out.Based on this, position that can be corresponding with fastener portion 51 on centring ring 3 is provided with through hole, makes rod member instrument can promote fastener portion 51 flexural deformation by through hole, makes fastener portion 51 and dogging shoulder depart from clamping.Concrete through hole can be arranged along the axis direction of centring ring 3, also can arrange along the radial direction of centring ring 3, considers that centring ring 3 is formed in one part, in order to easy to make, can make through hole arrange along the axis direction of centring ring 3.
Wherein elastic component 4 can be Compress Spring, can certainly be to have the object that flexible material makes.When elastic component 4 is Compress Spring, in order to prevent Compress Spring from radially moving, and interfere the setting of pencil jack, so can be provided with tube on reseting ring 5, and be set on tube by this elastic component 4, the interior conduit of tube is pencil jack.In order to make to be slidably matched more stable between reseting ring 5 and centring ring 3, tube can be made to be inserted in the pencil jack of centring ring 3, and to be slidably matched with the pencil jack of centring ring 3.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a pencil sharpener, comprise there is rotating shaft (1) driver part, with described rotating shaft (1) along the toolbox (2) of the axis direction grafting of described rotating shaft (1), the locating hole be slidably matched with the head of described toolbox (2) and for promoting the elastic component (4) of described toolbox (2) to described driver part movement, it is characterized in that, also comprise integrated centring ring (3), (3) are provided with described locating hole to described centring ring.
2. pencil sharpener according to claim 1, it is characterized in that, described centring ring (3) is provided with away from one end of described toolbox (2) the boss portion extended internally, and described elastic component (4) is arranged between described boss portion and described toolbox (2).
3. pencil sharpener according to claim 2, it is characterized in that, also comprise the reseting ring (5) be arranged between described elastic component (4) and described toolbox (2), described reseting ring (5) and described centring ring (3) are slidably matched.
4. pencil sharpener according to claim 3, it is characterized in that, described reseting ring (5) is provided with fastener portion (51), described centring ring (3) is provided with and coordinates with described fastener portion (51) and for stoping described reseting ring (5) to the dogging shoulder of described toolbox (2) movement.
5. pencil sharpener according to claim 4, is characterized in that, the upper position corresponding with described fastener portion (51) of described centring ring (3) is provided with through hole.
6. pencil sharpener according to claim 5, is characterized in that, described elastic component (4) is Compress Spring, and (5) are provided with tube to described reseting ring, and described elastic component (4) is set on described tube.
7. pencil sharpener according to claim 6, is characterized in that, the gear that described driver part comprises motor and is connected with the spindle drive of described motor, described gear is provided with described rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115044.5U CN205220177U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115044.5U CN205220177U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220177U true CN205220177U (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521115044.5U Active CN205220177U (en) | 2015-12-28 | 2015-12-28 | Pencil sharpener |
Country Status (1)
| Country | Link |
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| CN (1) | CN205220177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904892A (en) * | 2016-05-31 | 2016-08-31 | 安徽师范大学 | Automatic-control electric pencil sharpener |
| CN107139623A (en) * | 2017-04-20 | 2017-09-08 | 安徽玉辉电子科技有限公司 | Automatic pen feeding pencil sharpener |
-
2015
- 2015-12-28 CN CN201521115044.5U patent/CN205220177U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904892A (en) * | 2016-05-31 | 2016-08-31 | 安徽师范大学 | Automatic-control electric pencil sharpener |
| CN107139623A (en) * | 2017-04-20 | 2017-09-08 | 安徽玉辉电子科技有限公司 | Automatic pen feeding pencil sharpener |
| CN107139623B (en) * | 2017-04-20 | 2018-12-28 | 徐雪娇 | Automatic pen feeding pencil sharpener |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |