CN207345346U - Self-cleaning pencil sharpener - Google Patents

Abstract

Novel office table separation is the utility model is related to, discloses a kind of self-cleaning pencil sharpener, including box body, threaded rod, storage bits room are equipped with box body and cuts a room, and box body is equipped with opening；The hollow tube that can be rotated together with pencil is equipped with threaded rod；Storage bits room is threadedly coupled with threaded rod, and stores up bits room and inboard wall of cartridge slides vertically connection, storage bits room equipped with can open communication crumb mouth, and when cutting, crumb mouth and opening disconnection；Cutting a room includes a groove, blade and elastic tube, and blade is located in a groove, and elastic tube is used to connect a groove and storage bits room；Threaded rod one end and open communication, the other end are rotatablely connected with a groove inner wall.The technical program can prevent sawdust, carbon dust etc. to be deposited in a groove for pencil sharpener, and a quality is cut in raising, effectively avoids the wasting of resources.

Description

Self-cleaning pencil sharpener

Technical field

It the utility model is related to novel office table separation, and in particular to a kind of self-cleaning pencil sharpener.

Background technology

With the development of technology, the shape of pencil gradually develops into hexagon, hexagonal prisms by traditional cylindrical shape One circle of cross section convergence, hold get up it is more comfortable, but again than circle frictional force more greatly, so, be held by When be not easy to skid, it is often more important that, the pencil of hexagonal prisms efficiently avoid pencil and be tumbled from desk and break pen core Situation, be a very important invention and progressive in pencil development history.

In work or study, during using pencil, traditional method is to go to sharpen a pencil using pocket knife, and use is very inconvenient, cuts Pencil out is also unsightly.The pencil that the appearance of pencil sharpener allows this bothersome action to become simply, to cut out is also neat It is standardized, and more saved than being sharpened a pencil with knife.But people are during using pencil sharpener at present, it will usually run into following Problem：Cut the sawdust produced during pen, carbon dust easily deposits, is stuck in a groove for pencil sharpener, it is long-term in the past, cause blade all The space enclosed is blocked, influence next time cut an effect, particularly in pencil sharpener after using for a longer period, this phenomenon is particularly Substantially, at this time people often can directly discard pencil sharpener, cause the wasting of resources.

Utility model content

The purpose of this utility model is to provide a kind of self-cleaning pencil sharpener, can prevent sawdust, carbon dust etc. are deposited on to turn pen In a groove for knife, a quality is cut in raising, effectively avoids the wasting of resources.

To reach above-mentioned purpose, the base case of the utility model is as follows：A kind of self-cleaning pencil sharpener, including box are provided Body, box body is interior to be equipped with threaded rod, storage bits room and cuts a room, and box body is equipped with opening；Being equipped with threaded rod can be together with pencil The hollow tube of rotation；Storage bits room is threadedly coupled with threaded rod, and storage bits room and inboard wall of cartridge slide vertically connection, and storage bits are set on room Have can open communication crumb mouth, and when cutting, crumb mouth is disconnected with opening；Cutting a room includes a groove, blade and elastic tube, knife Piece is located in a groove, and elastic tube is used to connect a groove and storage bits room；Threaded rod one end and open communication, the other end and a groove inner wall Rotation connection.

The operation principle of above-mentioned technical proposal is：Pencil is inserted into pen by the hollow tube that opening is aligned in threaded rod In groove, rotation pencil, makes pencil cut pen under the action of blade, and pencil rotates, and drives hollow tube, that is, threaded rod to rotate together；Spiral shell Rasp bar rotates so that the storage that is threadedly coupled therewith bits room is slided along inboard wall of cartridge, and at this time the crumb mouth on storage bits room and Opening disconnects, and cuts the sawdust produced during pen, carbon dust etc. and enters storage bits room by elastic tube；After cutting pen, then reversely turn Dynamic pencil, drives threaded rod to rotate backward so that storage bits room is slided along opposite direction, to crumb mouth and open communication, i.e., Pencil is can be taken off, then sawdust stored up in bits room etc. is poured out from crumb mouth, opening, that is, completes once to cut pen.

The beneficial effect of above-mentioned technical proposal is：1st, when rotation pencil cut, sawdust of generation etc. can be with It is transferred to by elastic tube in storage bits room so that the enough pencils of a slot space residing for blade persistently rotate, and not only sawdust etc. is not no It can be deposited in the groove residing for blade, and it is good to cut a quality.2nd, sawdust that a process produces etc. is cut by elastic tube to enter Storage bits room, and during pencil is rotated backward after cutting pen, storage bits room can slide into opening along inboard wall of cartridge, It is convenient to use next time so as to pour out sawdust, avoid sawdust from being deposited on the use for influencing pencil sharpener in pencil sharpener box body, avoid The wasting of resources.3rd, during pencil rotates backward, pencil is contacted with the knife spine extruding of blade, not only will not further cut lead Pen, and the powder such as the carbon dust of pencil surface can also be scraped to a certain extent, user experience is more preferably.

Preferred solution one：Based on scheme preferred solution, hollow tube is hexagonal prisms.Existing pencil is mostly six ribs Cylindricality, the hollow tube of hexagonal prisms can not only effectively drive threaded rod and pencil to rotate together, and the hollow tube and lead of threaded rod Pen fitting is close, stability of rotation so that the scrap storage box being threadedly coupled with threaded rod can stably be slid vertically.

Preferred solution two：Based on scheme preferred solution, storage bits room includes scrap storage box and sliding rack, and scrap storage box is to pass through The ring box of threaded rod is worn, sliding rack is " mouth " font, and the top of sliding rack is threadedly coupled with threaded rod, the bottom of sliding rack It is connected with scrap storage box, the side wall of sliding rack slides vertically with inboard wall of cartridge to be connected.Sliding rack drives scrap storage box along inboard wall of cartridge Slid vertically, at the same the top slide of sliding rack to box body aperture position when, user can with the top of portable sliding rack, It is convenient for carrying.

Preferred solution three：Based on the preferred solution of scheme or preferred solution two, a groove include cut a groove and annular Link slot, blade, which is located at, to be cut in a groove, and threaded rod and link slot are rotatablely connected.Cut the blade in a groove to be used to sharpen a pencil, lead Pen rotates, and drives threaded rod to rotate, and threaded rod rotates, and drives scrap storage box to rotate, but connects since threaded rod and link slot rotate Connect, thus threaded rod rotate can't band start writing groove rotation, simple in structure, pencil sharpener is stable.

Preferred solution four：Preferably three preferred solution, one end that threaded rod is located in link slot are equipped with fan. Threaded rod rotates, and drives fan to rotate so that cuts sawdust in a groove etc. and is entered more quickly by elastic tube in storage bits room, is cut The pen time shortens.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model self-cleaning pencil sharpener embodiment.

Embodiment

The utility model is described in further detail below by embodiment：

Reference numeral in Figure of description includes：Box body 1, opening 10, threaded rod 2, hollow tube 20, fan 21, storage bits Box 3, crumb mouth 30, sliding rack 31, cut a groove 4, link slot 40, blade 41, elastic tube 5.

Embodiment is substantially as shown in Figure 1：Self-cleaning pencil sharpener, including box body 1, box body 1 is interior to be equipped with threaded rod 2, storage bits Room and a room is cut, and box body 1 is equipped with opening 10；It is the hollow tube 20 of hexagonal prisms in threaded rod 2 so that threaded rod 2 can be with lead Pen rotates together；Storage bits room includes scrap storage box 3 and sliding rack 31, and scrap storage box 3 is ring box, and center is provided with through hole so as to run through spiral shell Rasp bar 2, sliding rack 31 is " mouth " font, and the top of sliding rack 31 is threadedly coupled with threaded rod 2, the bottom of sliding rack 31 and storage Bits box 3 connects, and is provided with the vertical chute on the inner wall of box body 1 so that the side wall of sliding rack 31 is slidably connected with 1 inner wall of box body；Storage Consider the crumb mouth 30 that room is equipped with alignment opening to be worth doing；Cutting a room includes a groove, blade 41 and elastic tube 5, and a groove includes cutting 4 He of a groove The link slot 40 of annular, blade 41, which is welded on, to be cut in a groove 4, and threaded rod 2 is rotatablely connected with link slot 40, and threaded rod 2 is located at One end of link slot 40 is equipped with fan 21, and elastic tube 5 cuts a groove 4 and storage bits room for connection, and 5 one end of elastic tube is with cutting a groove 4 bottom connection, the other end are connected with the top of storage bits room.

When specifically used, the hollow tube 20 that pencil is aligned in threaded rod 2 by opening 10 is inserted into and is cut in a groove 4, turned Dynamic pencil, makes pencil cut pen under the action of blade 41；Pencil rotates, and it is that threaded rod 2 rotates together to drive hollow tube 20；But Since threaded rod 2 and link slot 40 are rotatablely connected, cut a groove 4 so threaded rod 2 rotates to drive and rotate；2 turns of threaded rod It is dynamic so that the sliding rack 31 being threadedly coupled therewith slides down to the bottom for cutting a groove 4 with scrap storage box 3 along 1 inner wall of box body, Cut the sawdust produced during pen, carbon dust etc. and scrap storage box 3 is entered by elastic tube 5, meanwhile, threaded rod 2 rotates, and drives fan 21 Rotate so that cut sawdust in a groove 4 etc. and entered more quickly by elastic tube 5 in storage bits room；After cutting pen, then reversely turn Dynamic pencil, drives threaded rod 2 to rotate backward so that scrap storage box 3 is slided along opposite direction, is connected to crumb mouth 30 and opening 10 It is logical, you can to take out pencil, then sawdust in scrap storage box 3 etc. is poured out from crumb mouth 30, opening 10, that is, completes once to cut Pen.

Above-described is only the embodiment of the utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are all without influence The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim Subject to, the record such as embodiment in specification can be used for the content for explaining claim.

Claims (5)

1. self-cleaning pencil sharpener, including box body, it is characterised in that threaded rod, storage bits room are equipped with the box body and cuts a room, and Box body is equipped with opening；The hollow tube that can be rotated together with pencil is equipped with the threaded rod；The storage bits room and threaded rod spiral shell Line connects, and stores up bits room and inboard wall of cartridge slides vertically connection, storage bits room equipped with can open communication crumb mouth, and cut pen When, crumb mouth is disconnected with opening；A room of cutting includes a groove, blade and elastic tube, and the blade is located in a groove, the bullet Property pipe be used for connect a groove and storage bits room；Described threaded rod one end and open communication, the other end are rotatablely connected with a groove inner wall.

2. self-cleaning pencil sharpener according to claim 1, it is characterised in that the hollow tube is hexagonal prisms.

3. self-cleaning pencil sharpener according to claim 1, it is characterised in that the storage bits room includes scrap storage box and slip Frame, the scrap storage box are the ring box through threaded rod, and the sliding rack is " mouth " font, and the top of sliding rack and threaded rod It is threadedly coupled, the bottom of sliding rack is connected with scrap storage box, and the side wall of sliding rack slides vertically with inboard wall of cartridge to be connected.

4. the self-cleaning pencil sharpener according to claim 1 or 3, it is characterised in that described groove includes cutting a groove and annular Link slot, the blade, which is located at, to be cut in a groove, and the threaded rod and link slot are rotatablely connected.

5. self-cleaning pencil sharpener according to claim 4, it is characterised in that the threaded rod is located at one end in link slot Equipped with fan.