CN220180454U - Hand-held electric pencil sharpener - Google Patents
Hand-held electric pencil sharpener Download PDFInfo
- Publication number
- CN220180454U CN220180454U CN202321304192.6U CN202321304192U CN220180454U CN 220180454 U CN220180454 U CN 220180454U CN 202321304192 U CN202321304192 U CN 202321304192U CN 220180454 U CN220180454 U CN 220180454U
- Authority
- CN
- China
- Prior art keywords
- motor
- pencil sharpener
- hand
- circuit board
- inner shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000012545 processing Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a handheld electric pencil sharpener, which comprises a cutter, a cutter cover, an outer shell, an inner shell, a battery, a circuit board and a motor, wherein the battery and the motor are respectively connected to the circuit board, the battery, the circuit board and the motor are respectively arranged in the inner shell, a power output shaft of the motor is connected with the cutter, the cutter cover is arranged at the periphery of the cutter, a pencil inlet is arranged at the top of the cutter cover, the bottom of the cutter cover is connected with the inner shell, and the outer shell is arranged at the periphery of the inner shell. The driving system of the hand-held electric pencil sharpener has the advantages of simple structure, compact overall structure, small volume, convenient carrying and use by users, easy processing, manufacturing and installation, and effective reduction of the manufacturing cost of products.
Description
Technical Field
The utility model relates to the field of stationery, in particular to a handheld electric pencil sharpener.
Background
The pencil sharpener is a common study article or office article. Conventional pencil sharpeners typically cut the pencil by providing an obliquely disposed blade in a frame and manually rotating the sharpener after the pencil is inserted into the frame by the user. Along with the improvement of the living standard of people and the progress of science and technology, the electric pencil sharpener gradually appears in the market at present, replaces manual rotation by the drive of driving members such as a motor, a gear and the like, has certain interestingness and convenience, and is popular with users. However, the conventional electric pencil sharpener has various shapes, but is generally large in size, the internal driving system generally comprises a motor, a speed reducer, a gear transmission assembly, a coupling and other parts, the driving system is complex, and the manufacturing cost of the product is high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the handheld electric pencil sharpener, which has the advantages of simple and compact structure, small volume, portability, easy processing, manufacturing and installation and capability of effectively reducing the manufacturing cost of products.
The technical scheme of the utility model is as follows: the utility model provides a hand-held type electronic pencil sharpener, includes cutter, blade cover, shell, inner shell, battery, circuit board and motor, and battery and motor are connected to the circuit board respectively, and battery, circuit board and motor are located respectively in the inner shell, and the power take off shaft of motor is connected with the cutter, and the cutter periphery is equipped with the blade cover, and blade cover top is equipped with the pencil import, and blade cover bottom meets with the inner shell, and the inner shell periphery is equipped with the shell. The specific structure of the cutter is the same as that of a traditional pencil sharpener, and under the control of a circuit board, the cutter is directly driven to rotate by a motor, so that the automatic pencil sharpening function can be realized.
The section of the power output shaft of the motor is square, the bottom of the cutter is correspondingly provided with a connecting hole with the square section, and the tail end of the power output shaft of the motor is inserted into the connecting hole for connection. In the structure, the power output shaft of the motor is directly used as the connecting shaft, so that the structure of the whole driving system can be effectively simplified, the manufacturing cost of the pencil sharpener is reduced, and the size of the pencil sharpener can be effectively reduced; meanwhile, the section of the power output shaft is designed into a square shape, the power output shaft can be quickly inserted into the connecting hole without aligning the angle, and the operation and the installation are convenient.
The pencil inlet on the cutter head cover is hexagonal, quadrilateral or triangular. Or the design of the holes can be adjusted adaptively according to the actual condition of the sectional shape of the pencil, and the pencil can only go in and out and can not rotate in the using process of the pencil sharpener, so that the effect of counteracting the reaction force generated when the cutter rotates can be achieved, and people (such as children) with smaller strength to hold the pencil can use the pencil conveniently.
The shell is of an integrated structure, a key through hole is formed in the side wall of the shell, and a charging through hole is formed in the bottom of the shell. After the button serving as the pencil sharpener on-off switch is connected with the circuit board, the button penetrates through the button through hole and is arranged on the shell, so that the pencil sharpener is convenient for a user to operate. The charging through hole is used as a charging port of the pencil sharpener battery.
The inner shell is of a split type structure and comprises a first inner shell and a second inner shell which are matched with each other, a motor installation space is formed between the first inner shell and the second inner shell, and a motor shaft through hole is formed in the joint of the top surfaces of the first inner shell and the second inner shell. The motor is arranged in the motor installation space, and the power output shaft of the motor extends out of the motor shaft through hole to the cutter head cover and is inserted into the connecting hole at the bottom of the cutter.
And sealing rings are arranged below the top surfaces of the first inner shell and the second inner shell and on the power output shaft of the motor. The sealing ring can play a role in sealing and lubricating.
The battery is arranged in the battery mounting groove, and the circuit board is arranged in the circuit board mounting groove. During manufacturing, the inner shell is provided with a plurality of wire through holes, and the battery and the motor are connected to the circuit board through the corresponding wire through holes respectively.
The bottom of the cutter head cover is connected with the inner shell through threads, and the inner shell is connected with the outer shell through screws in a locking mode. Specifically, through set up corresponding double-screw bolts respectively in the junction of inner shell and shell, during the installation, locate the shell cover in the inner shell periphery, then through the screw with the double-screw bolt locking on inner shell, the shell.
The bottom of the cutter head cover is connected with the inner shell through a buckle, and the inner shell is also connected with the outer shell through a buckle. Specifically, through setting up the bayonet socket in tool bit lid both sides, set up the bayonet socket down in the shell both sides, set up the fixture block respectively in the shell both sides, the fixture block inboard compresses tightly through the spring and is fixed in on the inner shell lateral wall, the upper portion of fixture block be with last bayonet socket corresponding pothook, the lower part of fixture block be with lower bayonet socket corresponding press the briquetting. During installation, the clamping hooks are correspondingly embedded into the upper clamping openings, the pressing blocks are correspondingly embedded into the lower clamping openings, and the springs on the inner sides of the clamping hooks are used for pressing the clamping hooks, so that a stable connection state is formed.
The cutter head cover is of a transparent integrated structure, so that a user can conveniently observe the condition of generating scraps after pencil sharpening, and the cutter head cover is convenient for the user to clean in time.
In the structure of the electric pencil sharpener, the battery is charged by charging electricity, so that the electric pencil sharpener is convenient for users to recycle; the motor adopts the existing motor from taking the derailleur on the market, can simplify the actuating system of pencil sharpener better, combines the design of motor installation space, battery mounting groove and circuit board mounting groove in the inner shell again, can further simplify the overall structure of pencil sharpener, makes its structure compacter, effectively reduces pencil sharpener's volume.
When the handheld electric pencil sharpener is used, after a user inserts a pencil into a pencil inlet of a pencil head cover, the motor is started through a key, the motor drives the cutter to rotate, the pencil is cut, the pencil is fixed in the cutting process, meanwhile, due to the shape design of the pencil inlet, the pencil can be automatically fixed in the pencil inlet, the user does not need to hold the pencil tightly, and the operation is convenient and fast.
Compared with the prior art, the utility model has the following beneficial effects:
the driving system of the hand-held electric pencil sharpener has the advantages of simple structure, compact overall structure, small volume, convenient carrying and use by users, easy processing, manufacturing and installation, and effective reduction of the manufacturing cost of products.
In the hand-held electric pencil sharpener, the power output shaft of the motor is designed to be square in section, the power output shaft can be quickly inserted into the connecting hole without aligning the angle, and the operation and the installation are convenient; and the power output shaft of the motor is directly connected with the cutter, so that the structure of the whole driving system can be effectively simplified, the manufacturing cost of the pencil sharpener is reduced, and the volume of the pencil sharpener can be reduced.
In the hand-held electric pencil sharpener, the pencil inlet on the pencil head cover is hexagonal, quadrilateral or triangular, or can be adjusted adaptively according to the actual condition of the sectional shape of the pencil, and the design of the holes can only be used for leading the pencil to go in and out and not rotate in the using process of the pencil sharpener, so that the effect of counteracting the reaction force generated when the cutter rotates can be achieved, and people (such as children) with smaller pencil strength can be conveniently held.
In this hand-held type electronic pencil sharpener, through setting up the shell of integral type and split type inner shell, set up corresponding mounting groove or installation space in the inner shell to with parts such as motor, battery, circuit board as compact as possible install in the inner shell, then encapsulate through the shell of integral type, can make the structure of whole electronic pencil sharpener more stable, the molding is also pleasing to the eye.
Drawings
Fig. 1 is a schematic sectional view of a first embodiment of a hand-held electric pencil sharpener.
Fig. 2 is a sectional view of the pencil sharpener in the direction a in fig. 1.
Fig. 3 is a schematic cross-sectional structure of a second embodiment of the hand-held electric pencil sharpener.
Fig. 4 is a sectional view of the pencil sharpener in the direction B in fig. 3.
In the above figures, the components shown by the reference numerals are as follows: 1 is a cutter, 1-1 is a connecting hole, 2 is a cutter head cover, 2-1 is a pencil inlet, 3 is an outer shell, 3-1 is a key through hole, 3-2 is a charging through hole, 4 is an inner shell, 4-1 is a first inner shell, 4-2 is a second inner shell, 4-3 is a motor installation space, 4-4 is a motor shaft through hole, 4-5 is a battery installation groove, 4-6 is a circuit board installation groove, 5 is a battery, 6 is a circuit board, 7 is a motor, 7-1 is a power output shaft, 8 is a sealing ring, 9 is a stud, 10 is an upper bayonet, 11 is a lower bayonet, 12 is a clamping block, 12-1 is a clamping hook, 12-2 is a pressing block, and 13 is a spring.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Example 1
In the embodiment, the upper part of the handheld electric pencil sharpener is cylindrical, and the lower part of the handheld electric pencil sharpener is flat and rectangular.
As shown in fig. 1 or 2, the hand-held electric pencil sharpener of this embodiment includes a cutter 1, a cutter head cover 2, an outer casing 3, an inner casing 4, a battery 5, a circuit board 6 and a motor 7, the battery and the motor are respectively connected to the circuit board, the battery, the circuit board and the motor are respectively arranged in the inner casing, a power output shaft of the motor is connected with the cutter, the cutter head cover is arranged on the periphery of the cutter, a pencil inlet is arranged on the top of the cutter head cover, the bottom of the cutter head cover is connected with the inner casing, and the outer casing is arranged on the periphery of the inner casing. The specific structure of the cutter is the same as that of a traditional pencil sharpener, and under the control of a circuit board, the cutter is directly driven to rotate by a motor, so that the automatic pencil sharpening function can be realized.
The section of the power output shaft 7-1 of the motor is square, the bottom of the cutter is correspondingly provided with a connecting hole 1-1 with the square section, and the tail end of the power output shaft of the motor is inserted into the connecting hole for connection. In the structure, the power output shaft of the motor is directly used as the connecting shaft, so that the structure of the whole driving system can be effectively simplified, the manufacturing cost of the pencil sharpener is reduced, and the size of the pencil sharpener can be effectively reduced; meanwhile, the section of the power output shaft is designed into a square shape, the power output shaft can be quickly inserted into the connecting hole without aligning the angle, and the operation and the installation are convenient.
The pencil inlet 2-1 on the pencil head cover can be hexagonal, quadrilateral or triangular, or can be adjusted adaptively according to the actual condition of the sectional shape of the pencil, and the design of the holes can only be used for leading the pencil to go in and out and not rotate in the using process of the pencil sharpener, so that the effect of counteracting the reaction force generated when the pencil sharpener rotates can be achieved, and people (such as children) with smaller strength can conveniently hold the pencil.
As shown in fig. 2, the casing is of an integral structure, a key through hole 3-1 is arranged on the side wall of the casing, and a charging through hole 3-2 is arranged at the bottom of the casing. After the button serving as the pencil sharpener on-off switch is connected with the circuit board, the button penetrates through the button through hole and is arranged on the shell, so that the pencil sharpener is convenient for a user to operate. The charging through hole is used as a charging port of the pencil sharpener battery.
The inner shell is of a split type structure and comprises a first inner shell 4-1 and a second inner shell 4-2 which are matched with each other, a motor installation space 4-3 is formed between the first inner shell and the second inner shell, and a motor shaft through hole 4-4 is formed at the joint of the top surfaces of the first inner shell and the second inner shell. The motor is arranged in the motor installation space, and the power output shaft of the motor extends out of the motor shaft through hole to the cutter head cover and is inserted into the connecting hole at the bottom of the cutter. In this embodiment, as shown in fig. 2, the upper structures of the first inner shell and the second inner shell are symmetrical, the motor installation space is formed between the upper parts of the first inner shell and the second inner shell, the battery installation groove 4-5 and the circuit board installation groove 4-6 are respectively formed on two sides of the lower part of the second inner shell, that is, the battery installation groove and the circuit board installation groove are respectively formed on two sides of the inner shell, the battery is arranged in the battery installation groove, and the circuit board is arranged in the circuit board installation groove. During manufacturing, the inner shell is provided with a plurality of wire through holes, and the battery and the motor are connected to the circuit board through the corresponding wire through holes respectively.
And sealing rings 8 are arranged on the power output shafts of the motors below the top surfaces of the first shell and the second shell. The sealing ring can play a role in sealing and lubricating.
The bottom of the cutter head cover is connected with the inner shell through threads, and the inner shell is connected with the outer shell through screws in a locking mode. Specifically, through setting up corresponding double-screw bolt 9 respectively in the junction of inner shell and shell, during the installation, locate the shell cover in the inner shell periphery, then through the screw with the double-screw bolt locking on inner shell, the shell.
The cutter head cover is of a transparent integrated structure, so that a user can conveniently observe the condition of generating scraps after pencil sharpening, and the cutter head cover is convenient for the user to clean in time.
In the structure of the electric pencil sharpener, the battery is charged by charging electricity, so that the electric pencil sharpener is convenient for users to recycle; the motor adopts the existing motor from taking the derailleur on the market, can simplify the actuating system of pencil sharpener better, combines the design of motor installation space, battery mounting groove and circuit board mounting groove in the inner shell again, can further simplify the overall structure of pencil sharpener, makes its structure compacter, effectively reduces pencil sharpener's volume.
When the handheld electric pencil sharpener is used, after a user inserts a pencil into a pencil inlet of a pencil head cover, the motor is started through a key, the motor drives the cutter to rotate, the pencil is cut, the pencil is fixed in the cutting process, meanwhile, due to the shape design of the pencil inlet, the pencil can be automatically fixed in the pencil inlet, the user does not need to hold the pencil tightly, and the operation is convenient and fast.
Example 2
The handheld electric pencil sharpener is in a rectangular column shape as a whole.
As shown in fig. 3 or 4, the hand-held electric pencil sharpener of the present embodiment is different from embodiment 1 in that:
the inner shell is of a split type structure and comprises a first inner shell 4-1 and a second inner shell 4-2 which are matched with each other, a motor installation space 4-3 is formed between the first inner shell and the second inner shell, and a motor shaft through hole 4-4 is formed at the joint of the top surfaces of the first inner shell and the second inner shell. The motor is arranged in the motor installation space, and the power output shaft of the motor extends out of the motor shaft through hole to the cutter head cover and is inserted into the connecting hole at the bottom of the cutter. In this embodiment, as shown in fig. 4, the first inner casing and the second inner casing are symmetrical in structure, the middle of the first inner casing and the second inner casing forms the motor installation space, the outer side of the first inner casing is provided with a circuit board installation groove 4-6, the outer side of the second inner casing is provided with a battery installation groove 4-5, namely, two sides of the inner casing are respectively provided with a battery installation groove and a circuit board installation groove, a battery is arranged in the battery installation groove, and a circuit board is arranged in the circuit board installation groove. During manufacturing, the inner shell is provided with a plurality of wire through holes, and the battery and the motor are connected to the circuit board through the corresponding wire through holes respectively.
The bottom of the cutter head cover is connected with the inner shell through a buckle, and the inner shell is also connected with the outer shell through a buckle. Specifically, as shown in fig. 3, by arranging the upper bayonet 10 on two sides of the cutter head cover, arranging the lower bayonet 11 on two sides of the outer shell, arranging the clamping blocks 12 on two sides of the inner shell respectively, tightly pressing and fixing the inner sides of the clamping blocks on the side wall of the inner shell through the springs 13, wherein the upper parts of the clamping blocks are clamping hooks 12-1 corresponding to the upper bayonet, and the lower parts of the clamping blocks are pressing blocks 12-2 corresponding to the lower bayonet. During installation, the clamping hooks are correspondingly embedded into the upper clamping openings, the pressing blocks are correspondingly embedded into the lower clamping openings, and the springs on the inner sides of the clamping hooks are used for pressing the clamping hooks, so that a stable connection state is formed.
As described above, the present utility model can be better realized, and the above-described embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model; all equivalent changes and modifications are intended to be covered by the scope of the appended claims.
Claims (10)
1. The utility model provides a hand-held type electronic pencil sharpener, its characterized in that, including cutter, blade cover, shell, inner shell, battery, circuit board and motor, battery and motor are connected to the circuit board respectively, and battery, circuit board and motor are located respectively in the inner shell, and the power take off shaft of motor is connected with the cutter, and the cutter periphery is equipped with the blade cover, and the blade cover top is equipped with the pencil import, and the blade cover bottom meets with the inner shell, and the inner shell periphery is equipped with the shell.
2. The hand-held electric pencil sharpener of claim 1, wherein the power output shaft of the motor is square in cross section, the bottom of the sharpener is correspondingly provided with a connecting hole with square cross section, and the tail end of the power output shaft of the motor is inserted into the connecting hole for connection.
3. The hand-held, electrically powered pencil sharpener of claim 1 wherein the pencil inlet on the cap is hexagonal, quadrilateral or triangular.
4. The hand-held electric pencil sharpener of claim 1 wherein said housing is of unitary construction, the housing side wall being provided with a key through hole and the housing bottom being provided with a charging through hole.
5. The hand-held electric pencil sharpener of claim 1, wherein the inner housing is of a split type structure and comprises a first inner housing and a second inner housing which are matched with each other, a motor installation space is formed between the first inner housing and the second inner housing, and a motor shaft through hole is formed at the joint of the top surfaces of the first inner housing and the second inner housing.
6. The hand-held electric pencil sharpener of claim 5 wherein the motor further comprises a sealing ring on the power take off shaft below the top surfaces of the first and second inner housings.
7. The hand-held electric pencil sharpener of claim 5 wherein the housing further includes a battery mounting slot and a circuit board mounting slot on each side of the housing, the battery being disposed in the battery mounting slot and the circuit board being disposed in the circuit board mounting slot.
8. The hand-held electric pencil sharpener of claim 1 wherein the bottom of the cap is threadably connected to the inner housing and the inner housing is screw-locked to the outer housing.
9. The hand-held electric pencil sharpener of claim 1 wherein the bottom of the cap is connected to the inner housing by a snap fit, and the inner housing is also connected to the outer housing by a snap fit.
10. The hand-held, electrically powered pencil sharpener of claim 1 wherein said blade cover is a transparent unitary structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304192.6U CN220180454U (en) | 2023-05-25 | 2023-05-25 | Hand-held electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304192.6U CN220180454U (en) | 2023-05-25 | 2023-05-25 | Hand-held electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180454U true CN220180454U (en) | 2023-12-15 |
Family
ID=89099996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304192.6U Active CN220180454U (en) | 2023-05-25 | 2023-05-25 | Hand-held electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180454U (en) |
-
2023
- 2023-05-25 CN CN202321304192.6U patent/CN220180454U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110744502B (en) | Quick-connection structure | |
| CN202589337U (en) | Portable blender | |
| CN220180454U (en) | Hand-held electric pencil sharpener | |
| CN108188485A (en) | A kind of device for being convenient for disassembling cylindricality li-ion cell protection shell | |
| CN2618521Y (en) | Juice squeezer | |
| CN216229213U (en) | Power device | |
| CN215132896U (en) | Novel massager structure | |
| CN206185920U (en) | Multifunctional shaver | |
| CN216179141U (en) | Hardware mould convenient to hardware fitting deckle edge is polished | |
| CN212284323U (en) | Electric meat grinder | |
| CN201095015Y (en) | Mini electric circular saw | |
| CN211355146U (en) | Face cleaning instrument | |
| CN209121846U (en) | Portable type solar energy fruit juice mixer | |
| CN207234577U (en) | A kind of starter | |
| CN2927937Y (en) | Multifunction household food processor | |
| CN216265210U (en) | Angle grinder | |
| CN2189499Y (en) | Hand-held electric pipe-cutting threading dredging machine | |
| CN220756386U (en) | Electric poultry dehairing machine | |
| CN217341688U (en) | Minced steak leads to subassembly and minced steak equipment | |
| CN221430521U (en) | Two-in-one polishing pen integrating phototherapy lamp and polishing machine | |
| CN218385487U (en) | Lithium battery structure for adjusting lamp | |
| CN212185575U (en) | Automatic nail trimmer with polishing function | |
| CN201168969Y (en) | Novel multifunctional electric shaver | |
| CN221066361U (en) | Multifunctional hair care device | |
| CN211432476U (en) | Portable electric auxiliary rotator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |