CN211730857U - Electric pencil sharpener - Google Patents

Electric pencil sharpener Download PDF

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Publication number
CN211730857U
CN211730857U CN201922190586.3U CN201922190586U CN211730857U CN 211730857 U CN211730857 U CN 211730857U CN 201922190586 U CN201922190586 U CN 201922190586U CN 211730857 U CN211730857 U CN 211730857U
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CN
China
Prior art keywords
pencil
gear
cutter
double
sharpening
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Expired - Fee Related
Application number
CN201922190586.3U
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Chinese (zh)
Inventor
程言振
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Suzhou Palo Electronic Technology Co ltd
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Suzhou Palo Electronic Technology Co ltd
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Priority to CN201922190586.3U priority Critical patent/CN211730857U/en
Application granted granted Critical
Publication of CN211730857U publication Critical patent/CN211730857U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

An electric pencil sharpener comprising: the pencil sharpener comprises a shell, a double-end motor, a pencil feeding transmission mechanism and a pencil sharpening transmission mechanism, wherein the pencil feeding transmission mechanism is arranged on the upper portion of the double-end motor, the pencil sharpening transmission mechanism is arranged on the lower portion of the double-end motor, the pencil sharpening mechanism is connected with a pencil sharpening mechanism for sharpening a pencil, and the pencil feeding transmission mechanism is connected with a pencil feeding mechanism and a pencil retracting mechanism for retracting the pencil. The utility model discloses in, double-end motor cuts a pen through cutting a drive mechanism and driving a mechanism on the one hand, and on the other hand drives advance and advance a pen and move back a pen through advancing a drive mechanism, and the size is little, advances a drive mechanism moreover and cuts a drive mechanism and be located double-end motor's top and below respectively for advance a drive mechanism and cut a drive mechanism needn't set up one end, can make drive mechanism simpler, reduce the fault rate, suitable using widely.

Description

Electric pencil sharpener
Technical Field
The utility model relates to a penknife especially relates to an electronic penknife.
Background
The pencil sharpener is a pencil sharpening tool and can be made into various shapes. The pencil sharpener series is made of high-quality plastics, is fashionable and exquisite in shape and can be used as ornaments.
A double-ended motor, as the name implies, is a motor having two outputs.
Most of the existing electric penknife adopt double motors, one motor drives a cutter to cut the pencil through a transmission mechanism, and the other motor drives the pencil to move up and down through a pencil feeding mechanism, so that pencil feeding and withdrawal are realized. Or the single motor simultaneously drives the cutter to cut the pencil and also drives the pencil to move up and down.
However, the dual-motor electric pencil sharpener transmission mechanism has a simple structure and a low failure rate, but is large in size and not suitable for carrying, and the single-motor electric pencil sharpener is small in size and suitable for carrying, but is complex in transmission mechanism, high in failure rate and not suitable for popularization and use.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic penknife that can effectively solve above-mentioned technical problem.
In order to achieve the purpose of the utility model, the following technical proposal is adopted:
an electric pencil sharpener comprising: the pencil sharpener comprises a shell, a double-end motor, a pencil feeding transmission mechanism and a pencil sharpening transmission mechanism, wherein the pencil feeding transmission mechanism is arranged on the upper portion of the double-end motor, the pencil sharpening transmission mechanism is arranged on the lower portion of the double-end motor, the pencil sharpening mechanism is connected with a pencil sharpening mechanism for sharpening a pencil, and the pencil feeding transmission mechanism is connected with a pencil feeding mechanism and a pencil retracting mechanism for retracting the pencil.
Further: the pencil sharpening transmission mechanism comprises: the motor output gear, the reduction gear and the cutter connecting gear are meshed with each other.
Further: the reduction gear is a duplicate gear, the reduction gear is provided with two reduction gears, a large-diameter gear of the duplicate gear is meshed with a small-diameter gear of the other duplicate gear, the motor output gear is meshed with the large-diameter gear of the duplicate gear, and the cutter connecting gear is meshed with the small-diameter gear of the duplicate gear.
Further: the pen feeding transmission mechanism comprises a motor output worm and a connecting gear, and the motor output worm is meshed with the connecting gear.
Further: the two transmission rods are arranged in parallel, and the roller and the transmission gear are fixedly arranged on the sensing rod, the transmission rods are rotatably connected with the shell, and any one of the transmission rods is fixedly connected with the connecting gear.
Further: a moving block which is in contact with a pencil is arranged above the position between the two transmission rods, the moving block is in sliding contact with the shell, a convex block is arranged below the moving block, a microswitch is arranged below the moving block, the microswitch is fixedly connected with the shell, and a contact elastic sheet of the microswitch is in contact with the convex block.
Further: the micro switch is in control connection with the double-end motor.
Further: the pencil sharpening mechanism comprises a seat body, a cutter and a cutter gear, the seat body is fixedly connected with the middle of the cutter connecting gear, an accommodating cavity for accommodating a pencil is arranged in the middle of the seat body, the accommodating cavity is right opposite to the position of the cutter, a chute is arranged at the lower end of the cutter, the seat body is rotatably connected with the lower end of the cutter, the cutter gear is an annular gear with teeth inside, the cutter connecting gear is fixedly connected with the shell, and a meshing gear meshed with the annular gear is fixedly arranged at the upper end of the cutter.
Further: the utility model discloses a pencil sharpener, including cutter connecting gear, casing fixed connection, the tip of guide arm with the other end butt of shell fragment, inductive switch is located the guide arm with the below of shell fragment butt department, the inductive switch is equipped with the induction system of response pencil point below the pedestal, induction system is including the guide arm that reciprocates, shell fragment and inductive switch, the guide arm passes the middle part of cutter connecting gear and rather than sliding contact, the one end of shell fragment with casing fixed connection, the tip of guide arm with the other end butt of shell fragment, inductive switch is.
Further: the inductive switch is electrically connected with the double-end motor.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses electronic penknife, double-end motor drives through the drive mechanism of cutting a pencil on the one hand and cuts a pencil mechanism and cuts a pencil, and on the other hand drives advance and retreat a pencil and move back a pencil through advancing a drive mechanism, and the size is little, advances a drive mechanism and cuts a drive mechanism and be located double-end motor's top and below respectively moreover for advance a drive mechanism and cut a drive mechanism needn't set up one end, can make drive mechanism simpler, reduce the fault rate, suitable using widely.
2. The utility model discloses electronic penknife is because advance and retreat a mechanism is simple for double-end motor's top has sufficient space, thereby can be located the top between two transfer lines be equipped with the movable block of pencil contact, the below that is located the movable block is equipped with micro-gap switch, thereby conveniently controls double-end motor, double-end motor's response speed is fast, simple structure, the fault rate is low.
3. The utility model discloses electronic penknife, the below of acceping the chamber is equipped with the guide arm that reciprocates, and when the nib touched the guide arm, the guide arm can the downstream, and the guide arm makes the one end of shell fragment take place to warp to touch inductive switch, inductive switch makes double-end motor reverse rotation, and then makes pencil rebound, realizes moving back a pen operation, and double-end motor's response speed is fast, simple structure, and the fault rate is low.
Drawings
Fig. 1 is an external schematic view of the electric pencil sharpener of the present invention.
Fig. 2 is a schematic structural view of the electric pencil sharpener of the present invention with the housing removed.
Fig. 3 is a schematic structural view of the moving block and the micro switch of the electric pencil sharpener of the present invention.
Fig. 4 is a schematic structural view of the pencil sharpening transmission mechanism and the pencil sharpening mechanism of the electric pencil sharpener of the present invention.
Fig. 5 is a schematic structural view of the pencil feeding transmission mechanism and the pencil feeding and retracting mechanism of the electric pencil sharpener of the present invention.
Fig. 6 is a schematic structural view of the seat body of the electric pencil sharpener of the present invention.
Fig. 7 is a schematic structural view of the pencil sharpening mechanism and the sensing device of the electric pencil sharpener of the present invention.
Fig. 8 is a schematic view of a partial structure of the pencil sharpening transmission mechanism and the pencil sharpening mechanism of the electric pencil sharpener of the present invention.
In the figure: the pencil sharpener comprises a shell 1, a double-end motor 2, a pencil sharpening transmission mechanism 3, a pencil advancing transmission mechanism 4, a pencil advancing and retreating mechanism 5, a pencil sharpening mechanism 6, a sensing device 7, a moving block 8, a micro switch 9, a motor output gear 31, a reduction gear 32, a cutter connecting gear 33, a motor output worm 41, a connecting gear 42, a transmission rod 51, a transmission gear 52, a roller 53, a seat body 61, a cutter 62, a cutter gear 63, a cavity 611, a chute 612, a guide rod 71, a spring plate 72, a sensing switch 73, a bump 81 and a contact spring plate 91.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The electric pencil sharpener of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the electric pencil sharpener of the present invention comprises: a shell 1, a double-head motor 2, a pencil feeding transmission mechanism 4 positioned at the upper part of the double-head motor 2, and a pencil sharpening transmission mechanism 3 positioned at the lower part of the double-head motor 2, the pencil sharpening transmission mechanism 3 is connected with a pencil sharpening mechanism 6 for sharpening pencils, the pencil feeding transmission mechanism 4 is connected with a pencil feeding and withdrawing mechanism 5 for feeding and withdrawing pencils, the double-end motor 2 drives the pencil sharpening mechanism 6 to sharpen a pencil through the pencil sharpening transmission mechanism 3 on one hand, and drives the pencil advancing and retreating mechanism 5 to advance and retreat the pencil through the pencil advancing transmission mechanism 4 on the other hand, and the pencil feeding transmission mechanism 4 and the pencil cutting transmission mechanism 3 are respectively positioned above and below the double-head motor 2, the pencil feeding transmission mechanism 4 and the pencil sharpening transmission mechanism 3 do not need to be arranged at one end, so that the transmission mechanism is simpler, the failure rate is reduced, and the pencil sharpening device is suitable for popularization and use.
Further: the pencil sharpening transmission mechanism 3 comprises: motor output gear 31, reduction gear 32 and cutter connecting gear 33, motor output gear 31 with reduction gear 32 meshes, reduction gear 32 with cutter connecting gear 33 meshes.
Further: the reduction gear 32 is a duplicate gear, the reduction gear 32 is provided with two reduction gears, a large-diameter gear of the duplicate gear is meshed with a small-diameter gear of the other duplicate gear, the motor output gear 31 is meshed with the large-diameter gear of the duplicate gear, and the cutter connecting gear 33 is meshed with the small-diameter gear of the duplicate gear, so that the reduction gear 32 can perform a reduction function, and the power of the double-head motor 2 can be stably output.
Further: the pen feeding transmission mechanism 4 comprises a motor output worm 41 and a connecting gear 42, and the motor output worm 41 is meshed with the connecting gear 42.
Further: the advancing and retreating pen mechanism 5 includes: the sensor comprises two parallel transmission rods 51, a roller 53 and a transmission gear 52 which are fixedly arranged on the sensor rod, wherein the transmission rods 51 are rotatably connected with the shell 1, any one transmission rod 51 is fixedly connected with the connecting gear 42 so as to be capable of actively rotating, and the transmission gears 52 are mutually meshed.
Further: because the advancing and retreating mechanism 5 is simple, enough space is reserved above the double-end motor 2, a moving block 8 in contact with a pencil can be arranged above the position between the two transmission rods 51, the moving block 8 is in sliding contact with the shell 1, a lug 81 is arranged below the moving block 8, a micro switch 9 is arranged below the moving block 8, the micro switch 9 is fixedly connected with the shell 1, a contact elastic sheet 91 of the micro switch 9 is in contact with the lug 81, when the pencil touches the moving block 8, the moving block 8 is driven to move, and the lug 81 in moving can touch the contact elastic sheet 91, so that the micro switch 9 is in an open state.
Further: the microswitch 9 is in control connection with the double-end motor 2, and when the microswitch 9 is in an on state, the microswitch can control the double-end motor 2 to start rotating so as to start sharpening pencils.
Further: the pencil sharpening mechanism 6 comprises a base body 61, a cutter 62 and a cutter gear 63, the base body 61 is fixedly connected with the middle part of the cutter connecting gear 33, so that the cutter connecting gear 33 can drive the base body 61 to rotate, the middle part of the seat body 61 is provided with a containing cavity for containing a pencil, the containing cavity is positioned below the middle part of the roller 53, a chute 612 is arranged at the position of the accommodating cavity, which is opposite to the cutter 62, so that the cutter 62 can cut pencils conveniently, the lower end of the cutter 62 is rotatably connected with the seat body 61, the preferable connection mode is pin connection, the cutter gear 63 is a ring gear with teeth inside, the cutter connecting gear 33 is fixedly connected with the housing 1, and a meshing gear meshed with the annular gear is fixedly arranged at the upper end of the cutter 62, so that the cutter 62 can stably rotate on the seat body 61.
Further: the lower part of pedestal 61 is equipped with induction system 7 of response pencil point, induction system 7 is including the guide arm 71 that reciprocates, shell fragment 72 and inductive switch 73, guide arm 71 be located accept the below in chamber and with pedestal 61 sliding contact, guide arm 71 passes cutter connecting gear 33's middle part and rather than sliding contact, the one end of shell fragment 72 with casing 1 fixed connection, its preferred connected mode is bolted connection, the tip of guide arm 71 with the other end butt of shell fragment 72, inductive switch 73 is located guide arm 71 with the below of shell fragment 72 butt department, inductive switch 73 is preferably photoelectric switch.
Further: inductive switch 73 with double-end motor 2 electric connection to make its reversal, of course inductive switch 73 electric connection has time relay, time relay with double-end switch electric connection makes time relay can control the time of double-end motor 2 reversal, thereby can conveniently move back the pen.
Finally say, it is right to set up the USB mouth as required on the casing 1 the utility model discloses the power supply, this technique are prior art, and the event is not repeated here, top that can set up the upper cover, and accept the chamber and set up the via hole directly over, supply the pencil business turn over.
When the pencil feeding device is used, a user inserts a pencil into the through hole and contacts with the roller 53, the pencil touches the moving block 8 and moves to touch the contact elastic sheet 91 of the projection 81 and the micro switch 9, so that the double-end motor 2 starts to rotate, the double-end motor 2 drives the output worm to rotate, the rotating output worm drives the roller 53 to rotate back and forth through the connecting gear 42 and the transmission gear 52, the pencil is driven to move downwards and enter the accommodating cavity, then the end part of the pencil leaks out of the inclined groove 612, and the pencil feeding operation is completed. Meanwhile, the double-headed motor 2 rotates the seat body 61 through the motor output gear 31, the reduction gear 32 and the cutter connecting gear 33, so that the cutter 62 rotates, the rotating cutter 62 can cut a pencil, meanwhile, the pencil continues to move downwards, the pen point enables the guide rod 71 to move downwards, one end of the elastic sheet 72 is deformed to touch the inductive switch 73, the inductive switch 73 enables the double-headed motor 2 to rotate reversely, the pencil moves upwards, the pencil withdrawing operation is realized until the pencil is not in contact with the moving block 8, and then the micro switch 9 enables the double-headed motor 2 to be in a closed state, so that the automatic pencil cutting operation is completed.
The utility model discloses following beneficial effect has:
1. the utility model discloses electronic penknife, double-end motor drives through the drive mechanism of cutting a pencil on the one hand and cuts a pencil mechanism and cut a pencil, and on the other hand drives advance and retreat a pencil through advancing a drive mechanism and advances to advance a pencil and move back a pencil, advances a drive mechanism moreover and cuts a drive mechanism and be located double-end motor's top and below respectively for advance a drive mechanism and cut a drive mechanism needn't set up one end, can make drive mechanism simpler, reduce the fault rate, suitable using widely.
2. The utility model discloses electronic penknife is because advance and retreat a mechanism is simple for double-end motor's top has sufficient space, thereby can be located the top between two transfer lines be equipped with the movable block of pencil contact, the below that is located the movable block is equipped with micro-gap switch, thereby conveniently controls double-end motor, double-end motor's response speed is fast, simple structure, the fault rate is low.
3. The utility model discloses electronic penknife, the below of acceping the chamber is equipped with the guide arm that reciprocates, and when the nib touched the guide arm, the guide arm can the downstream, and the guide arm makes the one end of shell fragment take place to warp to touch inductive switch, inductive switch makes double-end motor reverse rotation, and then makes pencil rebound, realizes moving back a pen operation, and double-end motor's response speed is fast, simple structure, and the fault rate is low.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (10)

1. An electric pencil sharpener, characterized in that: the method comprises the following steps: the pencil sharpener comprises a shell, a double-end motor, a pencil feeding transmission mechanism and a pencil sharpening transmission mechanism, wherein the pencil feeding transmission mechanism is arranged on the upper portion of the double-end motor, the pencil sharpening transmission mechanism is arranged on the lower portion of the double-end motor, the pencil sharpening mechanism is connected with a pencil sharpening mechanism for sharpening a pencil, and the pencil feeding transmission mechanism is connected with a pencil feeding mechanism and a pencil retracting mechanism for retracting the pencil.
2. The electric pencil sharpener of claim 1, wherein: the pencil sharpening transmission mechanism comprises: the motor output gear, the reduction gear and the cutter connecting gear are meshed with each other.
3. The electric pencil sharpener of claim 2, wherein: the reduction gear is a duplicate gear, the reduction gear is provided with two reduction gears, a large-diameter gear of the duplicate gear is meshed with a small-diameter gear of the other duplicate gear, the motor output gear is meshed with the large-diameter gear of the duplicate gear, and the cutter connecting gear is meshed with the small-diameter gear of the duplicate gear.
4. The electric pencil sharpener of claim 2, wherein: the pen feeding transmission mechanism comprises a motor output worm and a connecting gear, and the motor output worm is meshed with the connecting gear.
5. The electric pencil sharpener of claim 4, wherein: the pen advancing and retreating mechanism includes: the transmission rod is rotatably connected with the shell, and any one transmission rod is fixedly connected with the connecting gear.
6. The electric pencil sharpener of claim 5, wherein: a moving block which is in contact with a pencil is arranged above the position between the two transmission rods, the moving block is in sliding contact with the shell, a convex block is arranged below the moving block, a microswitch is arranged below the moving block, the microswitch is fixedly connected with the shell, and a contact elastic sheet of the microswitch is in contact with the convex block.
7. The electric pencil sharpener of claim 6, wherein: the micro switch is in control connection with the double-end motor.
8. The electric pencil sharpener of claim 6, wherein: the pencil sharpening mechanism comprises a seat body, a cutter and a cutter gear, the seat body is fixedly connected with the middle of the cutter connecting gear, an accommodating cavity for accommodating a pencil is arranged in the middle of the seat body, the accommodating cavity is right opposite to the position of the cutter, a chute is arranged at the lower end of the cutter, the seat body is rotatably connected with the lower end of the cutter, the cutter gear is an annular gear with teeth inside, the cutter connecting gear is fixedly connected with the shell, and a meshing gear meshed with the annular gear is fixedly arranged at the upper end of the cutter.
9. The electric pencil sharpener of claim 8, wherein: the utility model discloses a pencil sharpener, including cutter connecting gear, casing fixed connection, the tip of guide arm with the other end butt of shell fragment, inductive switch is located the guide arm with the below of shell fragment butt department, the inductive switch is equipped with the induction system of response pencil point below the pedestal, induction system is including the guide arm that reciprocates, shell fragment and inductive switch, the guide arm passes the middle part of cutter connecting gear and rather than sliding contact, the one end of shell fragment with casing fixed connection, the tip of guide arm with the other end butt of shell fragment, inductive switch is.
10. The electric pencil sharpener of claim 9, wherein: the inductive switch is electrically connected with the double-end motor.
CN201922190586.3U 2019-12-10 2019-12-10 Electric pencil sharpener Expired - Fee Related CN211730857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922190586.3U CN211730857U (en) 2019-12-10 2019-12-10 Electric pencil sharpener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922190586.3U CN211730857U (en) 2019-12-10 2019-12-10 Electric pencil sharpener

Publications (1)

Publication Number Publication Date
CN211730857U true CN211730857U (en) 2020-10-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922190586.3U Expired - Fee Related CN211730857U (en) 2019-12-10 2019-12-10 Electric pencil sharpener

Country Status (1)

Country Link
CN (1) CN211730857U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843391A (en) * 2019-12-10 2020-02-28 苏州帕洛电子科技有限公司 Electric pencil sharpener

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843391A (en) * 2019-12-10 2020-02-28 苏州帕洛电子科技有限公司 Electric pencil sharpener

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Granted publication date: 20201023