CN209666699U - A kind of hand-operated pencil sharpener - Google Patents

Abstract

The utility model relates to technical field of stationery more particularly to a kind of hand-operated pencil sharpener, including shell, it is installed on the bits box for cutting mechanism and be plugged in lower section in shell of top in shell, the mechanism that cuts includes rocker arm, toolbox and Song Bi mechanism；The toolbox includes knife rest and the hobboing cutter that connect with blade holder turns, and the hobboing cutter and Song Bi mechanism pass through gear drive and rocker arm passing movement respectively；The knife rest is equipped with the disconnected core removal mechanism of push type；The bits cassette bottom portion is equipped with flip lid, and the flip lid is fixedly connected by buckle structure with housing sidewall.The utility model, which considers box to be worth doing, not only can extract cleaning pencil chip from shell completely, but also can be extremely convenient by the flip designs in bits cassette bottom portion；The design of Song Bi mechanism assigns the hand-operated pencil sharpener while rotating arm sharpens a pencil, and can be realized the function automatically into pencil；Push type breaks core removal mechanism convenient for removing disconnected core at any time, reduces maintenance difficulty, increases service life.

Description

A kind of hand-operated pencil sharpener

Technical field

The utility model relates to technical field of stationery more particularly to a kind of hand-operated pencil sharpeners.

Background technique

Pencil sharpener is a kind of common stationery, has become the indispensable tool that student writes study.Hand-rail type cuts pen Device is liked due to easy to operate by numerous students.Hand-operated pencil sharpener includes casing assembly, toolbox, pencil holding mechanism With bits box, bits box is plugged in shell, generally works as pencil chip full of bits box, then extracts bits box out cleaning；With the depth to sharpen a pencil Degree pushes pencil into knife rest manually；During sharpening a pencil, it may appear that pen core fracture is caught in knife rest, needs to pass through bat It beats and movements is waited to remove disconnected core, continue to use.

Above-mentioned hand-operated pencil sharpener in the prior art is primarily present following problems: (1) plug-in type bits box multi-pass is excessively sliding Slot and shell are cooperatively connected, and pencil chip, which is excessively hoarded, in long-term use process is scattered, and will cause sliding slot blocking, are unfavorable for quickly clear Manage pencil chip；(2) mode of operation of push pencil is relatively complicated manually, and working efficiency is low, influences the study schedule of student； (3) core that breaks cannot remove in time, be easy to be caught in knife rest, and maintenance difficulty is big, influences the service life of hand-operated pencil sharpener, repair It is at high cost.Therefore, the structure of existing hand-operated pencil sharpener is improved with important research significance.

Utility model content

The utility model provides that a kind of chip removal is convenient, it is disconnected to have to overcome above-mentioned problems of the prior art Core remove function hand-operated pencil sharpener, the hand-operated pencil sharpener while rotating arm sharpens a pencil, can be realized automatically into The function of pencil.

To achieve the goals above, the utility model uses following technical scheme:

A kind of hand-operated pencil sharpener, which is characterized in that including shell, be installed on above in shell and cut mechanism and grafting Bits box in lower section in shell, the mechanism that cuts includes rocker arm, toolbox and Song Bi mechanism；The toolbox includes knife Frame and the hobboing cutter connecting with blade holder turns, the hobboing cutter and Song Bi mechanism pass through gear drive respectively and rocker arm transmitting is transported It is dynamic；The knife rest is equipped with the disconnected core removal mechanism of push type；The bits cassette bottom portion be equipped with flip lid, it is described flip lid by buckle structure with Housing sidewall is fixedly connected.

The hand-operated pencil sharpener of the utility model is presented with the mellow and full moulding of Rouno Cormer Pregrinding Wheel, front casing and tail portion rocker arm moulding stream Smooth transition, ensure that entire product height integraty, stylishness, artistic feeling, and product-forming novelty, fashion are catered to consumer and examined Beauty.The bits box of the utility model not only can extract cleaning pencil chip from shell completely, but also can be set by considering the flip lid in cassette bottom portion to be worth doing Meter fast opens flip lid discharge pencil chip at any time, extremely convenient；The design of Song Bi mechanism assigns the hand-operated pencil sharpener and shakes in rotation While arm sharpens a pencil, the function automatically into pencil can be realized；Push type breaks core removal mechanism convenient for removing disconnected core, drop at any time Low maintenance difficulty increases service life.

Preferably, the rotaring wheeling base that the rocker arm inside front is equipped with, the rotaring wheeling base is successively same with knife rest, Song Bi mechanism Axis connection；The rotaring wheeling base outer surface is equipped with gear ring, and one end of the hobboing cutter is equipped with hobboing cutter gear, the hobboing cutter gear and gear ring Internal tooth be meshed.

When sharpening a pencil, ring gear against rotation is driven by shaking rocker arm, gear ring will fortune with engaging for hobboing cutter gear by internal tooth Dynamic to pass to hobboing cutter, hobboing cutter is along shaft rotation；Knife rest follows rocker arm to rotate coaxially simultaneously, into cutting state.

Preferably, the push type breaks, core removal mechanism sets the disconnected core being axially movable including being installed on knife rest rear end The front end of push rod, the disconnected core push rod is protruded into the chip removal region of knife rest, is arranged with reset spring on the disconnected core push rod, is resetted Spring is conducive to disconnected core push rod and resets in time after pressing removes disconnected core, state of resuming work, efficient quick.

Preferably, the disconnected core push rod includes the passage leading portion of the pressing back segment and minor diameter of major diameter, the pressing Segment trailer is pierced by from rocker arm and is arranged with button afterwards.Button press is only needed when use, can quickly remove disconnected core.

Preferably, the Song Bi mechanism is set to the tip of the brushstyle of a writing or painting that send of toolbox, including two the first elasticity disposed in parallel Runner and the second elastic runner, the steering of the described first elastic runner and the second elastic runner is opposite and is tightly attached to be cut sharpen a pencil Two sides；The opposite end face of described first elastic runner and the second elastic runner is respectively equipped with the first spur gear and the second straight-tooth Wheel, the knife rest end vertical are equipped with face gear, and the face gear is vertical with the first spur gear and the second spur gear respectively Axial engagement passing movement；A through-hole is sent equipped with what is be connected to knife rest in the face gear center.

Rocker arm is shaken when utility model works, hobboing cutter is passed motion to engaging for hobboing cutter gear by gear ring, is turned Wheel seat drives blade holder turns, and knife rest passes motion to face gear, and face gear further will move through the first spur gear The first elastic runner and the second elastic runner are passed to the second spur gear, the operating of Song Bi mechanism is completed, assigns the hand-rail type Pencil sharpener is realized while rotating arm sharpens a pencil automatically into the function of pencil.

Preferably, first spur gear and the second spur gear are the cylindrical structure of waist indent, convenient for clamping to Sharpening pencil prevents from falling off.

Preferably, the buckle structure includes snap finger and button hole, the snap finger is set to one end of flip lid and has barb Structure, the button hole are set in the housing side wall, the snap finger and button hole shape adaptation；The other end of the flip lid by pin shaft with Consider box rotation connection to be worth doing.

Preferably, case inside wall bottom is detachably equipped with clamping part, the clamping part is equipped with button hole, described Button hole two sides are equipped with installation preformed hole, and the bits outer box wall is equipped with the mounting post with installation preformed hole shape adaptation, the installation Column surface is arranged with compressed spring, and compressed spring design is convenient for when opening flip lid, buckle is popped up from button hole, and chip removal is more just It is prompt efficient.

Preferably, the rocker arm lower end outside is equipped with handle, it is more convenient laborsaving.

Preferably, the grip surface is arranged with wear-resistant sleeve, operated convenient for student, improves user experience.

Therefore, the utility model has the following beneficial effects: the bits box of the utility model can both be extracted from shell completely Pencil chip is cleared up, and can fast open flip lid discharge pencil chip at any time by the flip designs in bits cassette bottom portion, it is extremely convenient； The design of Song Bi mechanism assigns the hand-operated pencil sharpener while rotating arm sharpens a pencil, and realizes automatically into the function of pencil；It presses Pressure type breaks core removal mechanism convenient for removing disconnected core at any time, reduces maintenance difficulty, increases service life.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.

Fig. 2 is the cross-sectional view of Fig. 1.

Fig. 3 is the schematic diagram of internal structure of Fig. 1.

Fig. 4 is the decomposition texture schematic diagram of the disconnected core removal mechanism of push type.

Fig. 5 is the decomposition texture schematic diagram for considering box to be worth doing.

Fig. 6 is the structural schematic diagram of hobboing cutter.

In figure: shell 1, handle 2, rocker arm 3, knife rest 4, rotaring wheeling base 5, gear ring 6, wear-resistant sleeve 7, break core push rod 8, chip removal region 9, reset spring 10, pressing back segment 11, passage leading portion 12, button 13, the first elastic runner 14, the second elastic runner 15, first Spur gear 16, the second spur gear 17, face gear 18 send a through-hole 19, flip lid 20, snap finger 21, button hole 22, clamping part 23, peace Fill preformed hole 24, compressed spring 25, mounting post 26, pin shaft 27, positioning pin 28, hobboing cutter 29, hobboing cutter gear 30.

Specific embodiment

Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made more specifically It is bright.

As depicted in figs. 1 and 2, a kind of hand-operated pencil sharpener, including shell 1, outside with the rocker arm 3 of handle 2, knife rest 4, The hobboing cutter 29(Fig. 6 being removably mounted on knife rest), Song Bi mechanism, be plugged in the bits box 5 of lower section in shell, rocker arm inside front Equipped with rotaring wheeling base 5, rotaring wheeling base outer surface is equipped with gear ring 6, and one end of hobboing cutter is equipped with the hobboing cutter gear being meshed with the internal tooth of gear ring 30(Fig. 6)；Grip surface is arranged with the wear-resistant sleeve 7 with anti-skid chequer, and fixed by positioning pin 28.

Referring to fig. 4, knife rest is equipped with the disconnected core removal mechanism of push type, and the disconnected core removal mechanism of push type is set including being installed on knife rest The front end of the disconnected core push rod 8 of rear end being axially movable, disconnected core push rod is protruded into the chip removal region 9 of knife rest, is covered on disconnected core push rod Equipped with reset spring 10；Disconnected core push rod includes the passage leading portion 12 of the pressing back segment 11 and minor diameter of major diameter, presses back segment tail Portion is pierced by from rocker arm and is arranged with button 13.

Referring to Fig. 3, Song Bi mechanism send the tip of the brushstyle of a writing or painting set on toolbox, the cylinder including two waist indents disposed in parallel The elastic runner 14 of the first of body structure and the second elastic runner 15, the steering of the first elastic runner and the second elastic runner it is opposite and It is tightly attached to the two sides to be cut to sharpen a pencil；The opposite end face of first elastic runner and the second elastic runner is respectively equipped with the first spur gear 16 and second spur gear 17(referring to Fig. 3), knife rest end vertical be equipped with face gear 18, face gear respectively with the first spur gear Passing movement is engaged with the second spur gear vertical axial；A through-hole 19 is sent equipped with what is be connected to knife rest in face gear center.

It referring to Fig. 5, considers cassette bottom portion to be worth doing and is equipped with flip lid 20, one end of flip lid is equipped with the snap finger 21 with overhead structure, in shell Sidewall bottom is detachably equipped with the clamping part 23 being equipped with the button hole 22 of snap finger shape adaptation, and it is reserved that button hole two sides are equipped with installation Hole 24, bits outer box wall are equipped with the mounting post 26 that compressed spring 25 is arranged with the surface of installation preformed hole shape adaptation, and flip lid is logical Snap finger is crossed mutually to fix with snapping connection for button hole；The other end of flip lid passes through pin shaft 27 and bits box rotation connection.

The working principle of the utility model is as follows:

(1) pencil insertion to be cut is sent in a through-hole, shakes rocker arm and drive rotaring wheeling base and blade holder turns, while passes through tooth The internal tooth of circle passes motion to hobboing cutter with engaging for hobboing cutter gear, and hobboing cutter rotation enters the working condition of sharpening pencil；Knife rest Tail portion passes motion to face gear, and face gear further will move through the first spur gear and the second spur gear passes to First elastic runner and the second elastic runner, the steering of the first elastic runner and the second elastic runner is opposite and is tightly attached to be cut The two sides of pencil, so that the hand-operated pencil sharpener while rotating arm sharpens a pencil, can be realized the function automatically into pencil；

(2) in the course of work in hobboing cutter sharpening pencil, when there is disconnected core, stop the rotation of rocker arm, only need to gently press The button of the dynamic disconnected core removal mechanism of push type, the passage leading portion of the minor diameter of disconnected core push rod is protruded into the chip removal region of knife rest, Disconnected core is fallen in bits box from knife rest release, prevents disconnected core from blocking hobboing cutter, reset spring discharges elastic potential energy for disconnected core push rod It resets, continues to shake the cutting that rocker arm completes pencil；

(3) during sharpening pencil, the flip lid that can both open bits cassette bottom portion at any time pours out pencil chip, can also be to After storing a certain amount of pencil chip, bits box is extracted completely from shell and is cleared up.

The above is only the preferred embodiment of the present invention, not makees limit in any form to the utility model System, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.

Claims (10)

1. a kind of hand-operated pencil sharpener, which is characterized in that including shell, be installed on cutting mechanism and being plugged in above in shell The bits box of lower section in shell, the mechanism that cuts includes rocker arm, toolbox and Song Bi mechanism；The toolbox includes knife rest The hobboing cutter connecting with blade holder turns, the hobboing cutter and Song Bi mechanism pass through gear drive and rocker arm passing movement respectively； The knife rest is equipped with the disconnected core removal mechanism of push type；The bits cassette bottom portion is equipped with flip lid, and the flip lid passes through buckle structure and shell Body sidewall is fixedly connected.

2. hand-operated pencil sharpener according to claim 1, which is characterized in that the runner that the rocker arm inside front is equipped with Seat, the rotaring wheeling base are successively coaxially connected with knife rest, Song Bi mechanism；The rotaring wheeling base outer surface is equipped with gear ring, the hobboing cutter One end is equipped with hobboing cutter gear, and the hobboing cutter gear is meshed with the internal tooth of gear ring.

3. hand-operated pencil sharpener according to claim 1, which is characterized in that the push type break core removal mechanism set including It is installed on the disconnected core push rod of knife rest rear end being axially movable, the front end of the disconnected core push rod is protruded into the chip removal region of knife rest, Reset spring is arranged on the disconnected core push rod.

4. hand-operated pencil sharpener according to claim 3, which is characterized in that the disconnected core push rod includes the pressing of major diameter The passage leading portion of back segment and minor diameter, segment trailer is pierced by from rocker arm and is arranged with button after the pressing.

5. hand-operated pencil sharpener according to claim 2, which is characterized in that the Song Bi mechanism is set to sending for toolbox The tip of the brushstyle of a writing or painting, including two the disposed in parallel first elastic runners and the second elastic runner, the described first elastic runner and the second elasticity The steering of runner is opposite and is tightly attached to the two sides to be cut to sharpen a pencil；The opposite end of described first elastic runner and the second elastic runner Face is respectively equipped with the first spur gear and the second spur gear, and the knife rest end vertical is equipped with face gear, the face gear point Passing movement is not engaged with the first spur gear and the second spur gear vertical axial；The face gear center is equipped with and is connected to knife rest Send a through-hole.

6. hand-operated pencil sharpener according to claim 5, which is characterized in that first spur gear and the second spur gear are The cylindrical structure of waist indent.

7. hand-operated pencil sharpener according to claim 1, which is characterized in that the buckle structure includes snap finger and button hole, The snap finger is set to one end of flip lid and has overhead structure, and the button hole is set in the housing side wall, the snap finger and button hole shape Shape adaptation；The other end of the flip lid passes through pin shaft and bits box rotation connection.

8. hand-operated pencil sharpener according to claim 7, which is characterized in that detachably install case inside wall bottom There is clamping part, the clamping part is equipped with button hole, and the button hole two sides are equipped with installation preformed hole, and the bits outer box wall is equipped with and installation The mounting post of preformed hole shape adaptation, the mounting post surface are arranged with compressed spring.

9. hand-operated pencil sharpener according to claim 1, which is characterized in that the rocker arm lower end outside is equipped with handle.

10. hand-operated pencil sharpener according to claim 9, which is characterized in that the handle sleeve is equipped with wear-resistant sleeve.