CN212267096U - electric pencil sharpener - Google Patents

Abstract

The utility model discloses an electric pencil sharpener, comprising a sharpener assembly, which is characterized in that: the electric pencil sharpener further comprises a vacuum cleaner assembly, the vacuum cleaner assembly includes an air inlet and an air outlet, and the pencil sharpener assembly It is arranged on the vacuum cleaner assembly, and is arranged to avoid the air inlet and outlet. Compared with the prior art, the utility model has the advantages that: by arranging the pencil sharpener assembly and the vacuum cleaner assembly into one body, the functions of the pencil sharpener and the vacuum cleaner are integrated, and the functions of the pencil sharpener are enriched, and at the same time, no external help is required. The cleaning tool can clean the pen scraps dropped by the pencil sharpener, which is convenient for operation and improves the user experience.

Description

Electric pencil sharpener

Technical Field

The utility model belongs to the technical field of stationery and specifically relates to an electronic pencil sharpener.

Background

The pencil sharpener is a stationery for sharpening pencils, and is generally used at present and comprises a manual pencil sharpener and an electric pencil sharpener. The manual pencil sharpener is rotated by hands, so that time and labor are wasted, children with small strength rotate with great difficulty, and the use is influenced. The common pencil sharpener is easy to break because of uneven force application, non-parallel pencil lead and blade or overlong pencil lead which is cut. The electric pencil sharpener uses the sharpener head to cut the pencil, and under the driving of the motor, the stress is uniform, so that the pencil sharpener not only can quickly cut the pencil, but also is not easy to break the pencil core because of uniform stress, and is popular with students.

The existing electric pencil sharpener, as disclosed in the chinese patent with the application number 201710155260.X, comprises a sharpener body, a motor, a transmission assembly, a cutting assembly and a sharpener frame, wherein the sharpener frame is provided with a planing cavity into which a pencil-shaped object extends, the cutting assembly is fixed on the sharpener frame, and a cutting edge part extends into the planing cavity to plane the pencil-shaped object; also, as disclosed in chinese patent application No. 201320366997.3, an electric pencil sharpener using solar power generation as a power supply is composed of a solar cell, a conductive wire, a controller, an energy storage cell, a switch, a motor, a power output shaft, a tool holder, a sharpener head, a housing, a pencil insertion tube, and a pencil chip holder.

The electric pencil sharpener has single function and can only be used for sharpening pencils; in addition, although a container specially used for receiving the cut pen scraps is arranged, the pen scraps inevitably fall off in the using process or the process of dumping the pen scraps by drawing out the container for collecting the pen scraps, and an additional cleaning tool is needed, so that the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide an electronic pencil sharpener, improve functional diversity to be convenient for clear up the pen chip.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an electronic pencil sharpener, includes pencil sharpener subassembly, its characterized in that: the electric pencil sharpener further comprises a dust collector assembly, the dust collector assembly comprises an air inlet and an air outlet, and the pencil sharpener assembly is arranged on the dust collector assembly and is arranged on the air inlet and the air outlet.

For avoiding pencil sharpener subassembly and dust catcher subassembly to interfere with each other, the pencil sharpener subassembly includes first functional part and the first casing that is used for setting up first functional part, the dust catcher subassembly includes second functional part and the second casing that is used for setting up the second functional part, first casing has the first end that supplies the shape thing male and relative second end, the second casing has the relative third end that is used for the air inlet and the fourth end that is used for the air-out, the junction of first casing and second casing is provided with the division board, the division board makes the first functional part of pencil sharpener subassembly and the second functional part of dust catcher subassembly arrange independent space in.

Preferably, for convenience of operation, the first housing and the second housing are coaxially arranged, the first end of the first housing is far away from the second housing, the third end of the second housing is far away from the first housing, the second end of the first housing and the fourth end of the second housing are close to each other and connected, the air inlet of the dust collector assembly is arranged at one end far away from the first housing, and the air outlet of the dust collector assembly is arranged at one end close to the first housing.

Preferably, for cutting the pencil form thing and be convenient for handle a bits simultaneously, the first functional unit of pencil sharpener subassembly is including setting up first support, a drive mechanism in first casing and by the cutting assembly that a drive mechanism driven can cut the pencil form thing, first support is including the pen bits that are used for collecting the pen bits that the cutting assembly cut and accomodate the groove, the first of first casing is served and can be dismantled and be connected with first lid, the opening part in pen bits accomodate the groove is established to first lid.

Preferably, the structure of cutting assembly does, cutting assembly includes by a drive mechanism drive and can be around the pivoted knife rest of pencil form thing and set up the cutter that is used for cutting pencil form thing on the knife rest, the cutter is connected with the knife rest through the pivot, the pivot is the slope setting with the axis of rotation of knife rest, the part that is located in the pivot outside the cutter still is provided with drive gear, first support still includes the transmission portion, the internal gearing that sets up on drive gear and the transmission portion internal perisporium can make the cutter can revolve the rotation of axes.

In order to support the knife rest, the first functional part of the pencil sharpener component further comprises a second support fixedly arranged in the first shell, the second support comprises a bottom plate, the bottom plate is located on one side, away from the first end of the first shell, of the first support, a cylindrical protruding portion is arranged on the bottom plate, and two ends of the knife rest are rotatably supported on the protruding portion and the first support respectively.

In order to facilitate automatic control of the first driving mechanism, manual control of the first driving mechanism is not needed, and operation is simple and convenient, the first driving mechanism comprises a first motor, a transmission mechanism for transmitting the driving force of the first motor to the tool rest, and a trigger assembly for controlling the first motor, the trigger assembly comprises a stop block, an elastic piece and a first microswitch fixedly arranged in a first shell, the elastic piece is arranged between the stop block and a contact of the first microswitch, the elastic piece enables the stop block to keep moving to the trend on the insertion path of the pen-shaped object, and the first microswitch is electrically connected with the first motor.

For adapting to different demands, the thickness adjustment subassembly of the thickness degree of nib after the pencil thing is cut still including being used for adjusting the pencil thing, thickness adjustment subassembly is including rotating carousel, gear assembly, rack, the slider that sets up in first casing and the bracket that is used for bearing the nib of pencil thing, the outside intercommunication of carousel and first casing, the primary gear and the carousel synchronous rotation of gear assembly, the last gear and the rack toothing of gear assembly can drive rack rectilinear movement, the slider sets up on the rack and can follow rack rectilinear movement, bracket and slider inclined plane cooperation, and can be along the axis of rotation direction rectilinear movement of knife rest when slider rectilinear movement.

In order to avoid the first driving mechanism from being damaged due to faults, the first functional part of the pencil sharpener component further comprises a safety switch for emergently braking the first driving mechanism, the safety switch comprises a key which is arranged in the first shell and can be shielded by the first cover body, and a second microswitch of which the contact can be abutted to the key, and the second microswitch is electrically connected with the first driving mechanism.

Preferably, for the dust absorption, the second functional unit of dust catcher subassembly includes second actuating mechanism, fan blade, sets up at the filter screen panel and the detachably lid on fan blade upper reaches and establishes the second lid at second casing third end, second actuating mechanism, fan blade and filter screen panel set up in the second casing, the air intake is seted up on the second lid, the air outlet is seted up in the second casing and is close to the position on fourth end, second actuating mechanism is including being used for driving fan blade pivoted second motor, the second lid still is provided with the brush body towards one side outside the second casing.

Compared with the prior art, the utility model has the advantages of: through setting the pencil sharpener assembly and the dust collector assembly into a whole, the functions of the pencil sharpener and the dust collector are integrated, the functions of the pencil sharpener are enriched, and meanwhile, pencil scraps falling off from the pencil sharpener can be cleared without the help of an external cleaning tool, so that the pencil sharpener assembly is convenient to operate, and the use experience of a user is improved.

Drawings

Fig. 1 is a schematic view of an electric pencil sharpener (with a pencil inserted) according to an embodiment of the present invention;

fig. 2 is a schematic view of the upside down electric pencil sharpener (with a pencil inserted) according to the embodiment of the present invention;

fig. 3 is a cross-sectional view of the electric sharpener of the present invention (first state, with a pencil inserted);

fig. 4 is a schematic view of a housing assembly of the electric sharpener of the present invention;

fig. 5 is a schematic view of the first housing hidden in the sharpener assembly of the electric sharpener of the present invention;

FIG. 6 is an exploded view of FIG. 5;

fig. 7 is a schematic view of a first bracket of the pencil sharpener assembly of the electric pencil sharpener of the present invention;

FIG. 8 is a schematic view of the first bracket of FIG. 5 hidden;

fig. 9 is a schematic view of a second bracket of the sharpener assembly of the electric sharpener of the present invention;

FIG. 10 is a schematic view of the second bracket of FIG. 8 hidden from view;

fig. 11 is a sectional view of the electric sharpener of the present invention (second state, with a pencil inserted);

fig. 12 is an exploded view of the second hidden housing of the vacuum cleaner assembly of the electric pencil sharpener of the present invention;

fig. 13 is a schematic view of an alternative embodiment of the electric sharpener of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 4, an electric pencil sharpener includes a pencil sharpener assembly 1 and a dust collector assembly 2, which are integrally disposed, the pencil sharpener assembly 1 includes a first housing 11, the dust collector assembly 2 includes a second housing 21, the first housing 11 and the second housing 21 form a housing assembly, and the housing assembly may be integrally formed or may be formed by being fixed to each other. The first housing 11 has a first end remote from the second housing 21 and a second end proximate to the second housing 21, and the second housing 21 has a third end remote from the first housing 11 and a fourth end proximate to the first housing 11. In the present embodiment, it is preferable that the first housing 11 and the second housing 21 are both hollow cylindrical, and the first housing 11 and the second housing 21 are coaxially arranged. A partition plate 112 is disposed at a junction between the second end of the first casing 11 and the fourth end of the second casing 21, and is used for separating the pencil sharpener assembly 1 from the dust collector assembly 2, so that each component in the first casing 11 of the pencil sharpener assembly 1 and each component in the second casing 21 of the dust collector assembly 2 are respectively disposed in an independent space, and mutual influence is avoided. The parts of the sharpener assembly 1 other than the first housing 11 described below constitute a first functional part of the sharpener assembly 1, and the parts of the cleaner assembly 2 other than the second housing 21 described below constitute a second functional part of the cleaner assembly 2.

An inner peripheral wall of the first end of the first housing 11 is formed with a catching groove 111, and the catching groove 111 is L-shaped and extends in a circumferential direction. Referring to fig. 5 and 6, the sharpener assembly 1 further includes a first cover 12 covering the first end of the first casing 11, and the first cover 12 is shaped and sized to fit the first end of the first casing 11. The outer peripheral wall of the first cover 12 is provided with a turn buckle 121, which is used to cooperate with the slot 111 of the first housing 11, so that the turn buckle 121 can be screwed into the slot 111 to lock the first housing 11 and the first cover 12.

Referring to fig. 3, 5-10, the sharpener assembly 1 further comprises an end cap 13, a first bracket 14, a second bracket 15, a first driving mechanism 16, a cutting assembly 17 and a thickness adjustment assembly 18. A pencil 100 (e.g., a pencil, a drawing pen, a crayon, etc.) to be cut penetrates into the first housing 11 from the first cap 12. The end cap 13 is disposed on a side of the first cover 12 facing the inside of the first housing 11, and is hollow, the first cover 12 is provided with a first through hole 122, the end cap 13 is provided with a second through hole 131, the first through hole 122 corresponds to the second through hole 131, and the pen-shaped object 100 can pass through the first through hole 122 and the second through hole 131 and enter the inside of the first housing 11.

The first bracket 14 and the second bracket 15 are respectively and fixedly disposed in the first housing 11, wherein the first bracket 14 includes a pen chip accommodating groove 141 formed by recessing from the first end toward the second end of the first housing 11, one end of the pen chip accommodating groove 141 facing the first housing 11 abuts against the first cover 12, and when the first cover 12 is removed, the pen chip accommodating groove 141 is communicated with the outside. The first bracket 14 further includes a support portion 142 formed in the middle, the support portion 142 is in a hollow cylindrical shape opened at both ends in the axial direction, a transmission portion 143 is formed at a side of the support portion 142 away from the first end of the first housing 11, the transmission portion 143 is in a hollow cylindrical shape opened at both ends in the axial direction, and an inner diameter of the transmission portion 143 is larger than an outer diameter of the support portion 142. The transmission 143 has internal teeth 1431 on its inner peripheral wall. The first bracket 14 further includes a limiting flange 144 disposed on a side of the transmission portion 143 away from the first end of the first housing 11, and the limiting flange 144 is arc-shaped.

The second bracket 15 includes a bottom plate 151 and a support bracket 152 disposed on the bottom plate 151, a periphery of the bottom plate 151 is connected to and closed with an inner sidewall of the first housing 11, and the support bracket 152 extends from the bottom plate 151 toward the first end of the first housing 11 and abuts against the position-limiting flange 144. The supporting frame 152 is in a hollow cylindrical shape, and one end of the supporting frame 152, which is far away from the bottom plate 151, is opened, a limiting groove 153 which is concave towards the direction of the bottom plate 151 is formed at one end of the supporting frame 152, the limiting groove 153 extends in the circumferential direction and is matched with the limiting flange 144, and the limiting flange 144 can be clamped into the limiting groove 153, so that the first support 14 and the second support 15 are prevented from rotating relatively.

The pen dust accommodating groove 141 of the first support 14 is adjacent to the support frame 152, and the pen dust accommodating groove 141 is located outside (radially outside) the support frame 152, a first notch 1411 is formed in the pen dust accommodating groove 141, a second notch 1521 is formed in the support frame 152, and the first notch 1411 corresponds to the second notch 1521, so that the pen dust accommodating groove 141 is communicated with the inside of the support frame 152 of the second support 15.

The first drive mechanism 16 includes a first motor 161, a gear train 162, and a trigger assembly. Wherein the first motor 161 is fixed with the first bracket 14 and the second bracket 15. The transmission mechanism 162 is a gear assembly in this embodiment, and performs the functions of transmission and speed reduction, wherein a primary gear (input end) is disposed on the output shaft of the first motor 161, and a final gear (output end) is rotatably supported on the supporting portion 142 of the first bracket 14 and partially penetrates into the supporting portion 142. The trigger assembly is disposed in the end cap 13, and includes a stopper 1631, an elastic member 1632 and a first micro switch 1633, the stopper 1631 is disposed adjacent to the second through hole 131 of the end cap 13, and the first micro switch 1633 is fixedly disposed on one side of the stopper 1631 away from the second through hole 131, and is electrically connected to the first motor 161 for controlling the operation of the first motor 161. The stopper 1631 and the contact point of the first micro switch 1633 are provided with the above-mentioned elastic member 1632 therebetween, thereby allowing the stopper 1631 to maintain a tendency to move into the second through hole 131 (a path in which the pen 100 is inserted). The end of the stopper 1631 away from the first microswitch 1633 extends gradually towards the first end of the first housing 11 in the direction of the first microswitch 1633, thereby forming a guide surface 1634. A guide (not shown) for defining a movement locus of the stopper 1631 may be provided in the end cap 13.

When the pen 100 is inserted, first, the pen abuts against the guiding surface 1634 of the stopper 1631, the stopper 1631 is pushed toward the first micro switch 1633, the elastic member 1632 is compressed, and abuts against the contact of the first micro switch 1633, so as to start the first motor 161. When the pen 100 is completely cut and removed from the first housing 11, the stopper 1631 is reset by the elastic member 1632, the elastic member 1632 no longer applies a force to the contact of the first micro switch 1633, and the first motor 161 stops operating. Automatic control is thereby achieved without the need for manual operation of the first drive mechanism 16, which is convenient to use.

The cutting assembly 17 includes a tool holder 171 and a cutting tool 172, a cylindrical boss 154 is provided on the base plate 151, one end of the tool holder 171 is rotatably supported on the boss 154, and the other end of the tool holder 171 extends into the final gear of the transmission mechanism 162 and rotates synchronously with the final gear of the transmission mechanism 162. The cutter 172 is connected to the holder 171 through a spindle 173, and the spindle 173 is disposed obliquely with respect to the rotational axis of the holder 171, that is, the spindle 173 is disposed obliquely with respect to the pen 100. The pencil 100 is threaded into the tool holder 171 and the cutter 172 is positioned adjacent to the pencil 100. Meanwhile, the rotating shaft 173 is provided with a transmission gear 174 capable of meshing with the internal teeth 1431 of the transmission part 143 of the first bracket 14, so that the cutter 172 rotates around the rotating shaft 173 along with the rotation of the cutter holder 171 around the pen-shaped object 100, thereby cutting the pen-shaped object 100. The cut pen dust can enter the pen dust accommodating groove 141 through the second notch 1421 of the supporting portion 142 and the first notch 1411 of the pen dust accommodating groove 141.

A thickness adjusting assembly 18 is arranged between the bottom plate 151 of the second bracket 15 and the partition plate 112 of the housing assembly, and the thickness adjusting assembly 18 comprises a base 181 fixedly arranged in the first housing 11, a rotary table 182 rotatably arranged on the base 181, a gear assembly 183, a rack 184, a slide block 185 and a bracket 186. The rotation axis of the rotary plate 182 is parallel to the rotation axis of the tool holder 171, and the rotary plate 182 may be partially exposed outside the first housing 11, so that the rotary plate 182 may be manually rotated outside the first housing 11. The primary gear of the gear assembly 183 rotates synchronously with the rotary disc 182, the final gear of the gear assembly 183 is meshed with the rack 184, and the slider 185 is disposed on the rack 184, so that when the rotary disc 182 rotates, the rack 184 is driven by the gear assembly 183 to move linearly, and the slider 185 is driven to move linearly, and the moving direction is parallel to (including coaxial with) the rotation axis of the tool post 171. A carrier 186 is disposed between the slider 185 and the nib of the pen 100, the carrier 186 holding the nib of the pen 100. The side of the slider 185 facing the bracket 186 is sloped, and the side of the bracket 186 facing the slider 185 is also sloped, so that when the slider 185 moves linearly, the bracket 186 can move linearly along the rotational axis of the carriage 17 (the axial direction of the pen 100), and the axial position of the pen 100 can be adjusted, thereby changing the relative position of the pen tip of the pen 100 and the cutter 172 of the cutter assembly 17, and adjusting the thickness of the cut pen tip. Referring to fig. 3, the carriage 186 is supported at a higher position of the slider 185, and the pen point of the pen 100 is higher than the cutter 172, so that the cut pen point is thicker; referring to fig. 11, the carriage 186 is now supported at a lower position of the slide 185, and the pen 100 is lower relative to the knife 172, resulting in a thinner nib.

The pencil sharpener component 1 further comprises a safety switch 19 for emergently braking the first driving mechanism 16, the safety switch 19 comprises a key 191 and a second microswitch 192, one end of the key 191 penetrates out of the end cover 13 to one side, facing the first cover body 12, of the end cover 13, the other end of the key 191 is provided with the second microswitch 192, the second microswitch 192 is electrically connected with the first motor 161, when the first motor 161 is locked or has other problems, the first cover body 12 can be detached, the safety switch can be manually pressed, and the contact of the second microswitch 192 is pressed, so that the second motor 161 can be immediately stopped.

The working principle of the pencil sharpener assembly 1 is as follows: the pen-shaped object 100 to be cut is inserted into the tool holder 171 from the first cover 12, at this time, the stopper 1631 of the trigger assembly of the first driving mechanism 16 is pushed away from the second through hole 131 of the end cap 13, the elastic member 1632 presses against the contact of the first micro switch 1633, the first motor 161 is started, the cutter 172 starts to rotate around the pen-shaped object 100 and simultaneously rotates around the rotating shaft 173, the pen-shaped object 100 is cut, and the cut pen chips enter the pen chip accommodating groove 141 through the supporting frame 152 (or are always accommodated in the supporting frame 152 during the cutting process). After the cutting is completed, the pen 100 is drawn out, the stopper 1631 is reset, and the first motor 161 stops operating upon receiving a signal from the first microswitch 1633. When the pen dust storage groove 141 is full of pen dust, or after the pen dust storage groove is used for a certain period of time, the first cover 12 can be rotated open, and the pen dust can be poured out from the pen dust storage groove 141 (or the first housing 11 is poured so that the pen dust in the support frame 152 enters the pen dust storage groove 141).

Referring to fig. 2, 3 and 12, the vacuum cleaner assembly 2 further includes a second driving mechanism 22, a fan 23 driven by the second driving mechanism 22 to rotate, a safety cover 24 covering the fan 23, a filter screen cover 25 covering the safety cover 24, and a second cover 26 covering a third end of the second housing 22. The second driving mechanism 22 preferably includes a second motor 221 and a mounting bracket 222, and the mounting bracket 222 is used for mounting the second motor 221 and is fixed to the partition plate 112. The second cover 26 is provided with an air inlet 261, preferably, in the middle of the second cover 26. The second cover 26 is detachably connected to the second housing 21, for example, by clamping. The second cover 26 has a receiving cavity 262 formed therein for collecting separated dirt, such as dust, dirt, etc. The filter screen cover 25 is provided at an end portion of the second cover 26 located inside the second housing 21, and is configured to filter air sucked from the air inlet 261, and the filter screen cover 25 is located upstream of the air vane 23 in the air flow path. The accommodating chamber 262 is open toward one side of the strainer cover 25. The safety cover 24 is disposed at a side of the screen cover 25 facing the fourth end of the second housing 21 for protecting the wind blades 23. The fan blade 23 is driven by the second driving mechanism 22, can form the negative pressure, and the air outlet 211 has been seted up to the position that the second casing 21 is close to the fourth end, and is preferred, and the air outlet 211 has a plurality ofly, evenly arranges along circumference interval to the air enters into holding chamber 262 from air intake 261 in, filters the back through screen cover 25 (some foul is stained with on screen cover 25, and partial deposit is in holding chamber 262), and rethread safety guard 24 is under the effect of fan blade 23. So that the filtered clean air is discharged out of the second housing 21.

The vacuum cleaner assembly 2 further comprises a switch 27, and in order to avoid influencing air intake and air outlet, the switch 27 may be disposed on the first casing 21 and electrically connected to the second driving mechanism 22 for controlling the operation of the second driving mechanism 22.

The second cover 26 may further include a brush 28 on a side facing the outside of the second housing 21, and the brush 28 is preferably uniformly disposed around the air inlet 261, and in this embodiment, is radially distributed around the air inlet 261. The brush body 28 brushes dirt attached to the surface of the object to facilitate suction from the air inlet 261.

The dust collector assembly 2 can be used for cleaning a desktop, a table top and the like in daily life, and can also absorb pen scraps from the desktop, the table top and the like when the pencil sharpener assembly 1 is used for treating the pen scraps and the pencil scraps fall carelessly, so that the dust collector assembly is very convenient, does not need an additional cleaning tool and is convenient to use.

A power source 20 for powering the first drive mechanism 16 and the second drive mechanism 22 may also be disposed within the first housing 11.

In the present embodiment, the first housing 11 and the second housing 21 are coaxially disposed (end surfaces are connected to each other), and alternatively, the first housing 11 may be disposed on a side surface of the second housing 21, such as a peripheral wall between the air outlet 211 and a third end of the second housing 21, as long as the air inlet 261 and the air outlet 211 of the vacuum cleaner assembly 2 are not shielded.

Claims (10)

1. The utility model provides an electronic pencil sharpener, includes pencil sharpener subassembly (1), its characterized in that: the electric pencil sharpener further comprises a dust collector assembly (2), the dust collector assembly (2) comprises an air inlet (261) and an air outlet (211), and the pencil sharpener assembly (1) is arranged on the dust collector assembly (2) and arranged on the air inlet (261) and the air outlet (211).

2. The electric sharpener of claim 1 wherein: the pencil sharpener assembly (1) comprises a first functional component and a first shell (11) used for arranging the first functional component, the dust collector assembly (2) comprises a second functional component and a second shell (21) used for arranging the second functional component, the first shell (11) is provided with a first end and a second end, the first end is inserted into the pencil-shaped object (100), the second shell (21) is provided with a third end and a fourth end, the third end is used for air inlet and the fourth end is used for air outlet, a partition plate (112) is arranged at the joint of the first shell (11) and the second shell (21), and the partition plate (112) enables the first functional component of the pencil sharpener assembly (1) and the second functional component of the dust collector assembly (2) to be arranged in independent spaces.

3. The electric sharpener of claim 2 wherein: first casing (11) and second casing (21) coaxial arrangement, second casing (21) are kept away from to the first end of first casing (11), first casing (11) are kept away from to the third end of second casing (21), the second end of first casing (11) and the fourth end of second casing (21) are close to each other and are connected, the one end of keeping away from first casing (11) is seted up in air intake (261) of dust catcher subassembly (2), the one end of being close to first casing (11) is seted up in air outlet (211) of dust catcher subassembly (2).

4. The electric sharpener of claim 2 wherein: the utility model discloses a pencil sharpener, including the first functional part of pencil sharpener subassembly (1) including setting up first support (14), first actuating mechanism (16) in first casing (11) and by cutting subassembly (17) of a form thing (100) of cutting of first actuating mechanism (16) driven, first support (14) are including the pencil bits that are used for collecting the pencil bits that cutting subassembly (17) cut and accomodate groove (141), the first end of first casing (11) is served and can be dismantled and be connected with first lid (12), the opening part in groove (141) is accomodate to pencil bits is established to first lid (12) lid.

5. The electric sharpener of claim 4 wherein: the cutting assembly (17) comprises a tool rest (171) which is driven by a first driving mechanism (16) and can rotate around a pen-shaped object (100), and a cutter (172) which is arranged on the tool rest (171) and used for cutting the pen-shaped object (100), wherein the cutter (172) is connected with the tool rest (171) through a rotating shaft (173), the rotating shaft (173) and the rotating shaft of the tool rest (171) are obliquely arranged, a transmission gear (174) is further arranged on the rotating shaft (173) and positioned outside the cutter (172), the first bracket (14) further comprises a transmission part (143), and the transmission gear (174) is meshed with internal teeth (1431) arranged on the inner peripheral wall of the transmission part (143) so that the cutter (172) can rotate around the rotating shaft (173).

6. The electric sharpener of claim 5 wherein: the first functional part of the pencil sharpener component (1) further comprises a second support (15) fixedly arranged in the first shell (11), the second support (15) comprises a bottom plate (151), the bottom plate (151) is located on one side, away from the first end of the first shell (11), of the first support (14), a cylindrical protruding portion (154) is arranged on the bottom plate (151), and two ends of a knife rest (171) are respectively rotatably supported on the protruding portion (154) and the first support (14).

7. The electric sharpener of claim 5 wherein: the first driving mechanism (16) comprises a first motor (161), a transmission mechanism (162) for transmitting the driving force of the first motor (161) to the tool holder (171), and a trigger assembly for controlling the first motor (161), the trigger assembly comprises a stopper (1631), an elastic member (1632) and a first microswitch (1633) fixedly arranged in the first housing (11), the elastic member (1632) is arranged between the stopper (1631) and a contact of the first microswitch (1633), the elastic member (1632) keeps the stopper (1631) moving to the tendency of the pen (100) to be inserted into the path, and the first microswitch (1633) is electrically connected with the first motor (161).

8. The electric sharpener of claim 5 wherein: the first functional component of the pencil sharpener component (1) also comprises a thickness adjusting component (18) for adjusting the thickness degree of the pencil point after the pencil-shaped object (100) is cut, the thickness adjusting component (18) comprises a rotary disc (182) rotatably arranged in the first shell (11), a gear component (183), a rack (184), a sliding block (185) and a bracket (186) used for supporting a pen point of the pen-shaped object (100), the rotary plate (182) is communicated with the outside of the first housing (11), the primary gear of the gear assembly (183) and the rotary plate (182) rotate synchronously, the final stage gear of the gear assembly (183) is meshed with the rack (184) and can drive the rack (184) to move linearly, the sliding block (185) is arranged on the rack (184) and can move linearly along with the rack (184), the bracket (186) is engaged with the slider (185) in a slant manner and is linearly movable along the rotational axis direction of the tool holder (171) when the slider (185) is linearly moved.

9. The electric sharpener of claim 4 wherein: the first functional part of the pencil sharpener component (1) further comprises a safety switch (19) used for emergently braking the first driving mechanism (16), the safety switch (19) comprises a key (191) which is arranged in the first shell (11) and can be shielded by the first cover body (12) and a second microswitch (192) of which the contact can be pressed by the key (191), and the second microswitch (192) is electrically connected with the first driving mechanism (16).

10. The electric sharpener of claim 2 wherein: the second functional unit of dust catcher subassembly (2) includes second actuating mechanism (22), fan blade (23), sets up filter screen cover (25) and detachably lid in second casing (21) third end at fan blade (23) upper reaches and establishes second lid (26), second actuating mechanism (22), fan blade (23) and filter screen cover (25) set up in second casing (21), air intake (261) are seted up on second lid (26), the position that second casing (21) is close to the fourth end is seted up in air outlet (211), second actuating mechanism (22) are including being used for driving fan blade (23) pivoted second motor (221), second lid (26) still are provided with brush body (28) towards the outer one side of second casing (21).

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