CN108185617B - A kind of stationery box with reminder device for students - Google Patents

Abstract

The invention discloses a stationery box with a reminding device for students. , decorative pictures, the invention realizes that the student-specific stationery box with a reminder device is installed with an air purifying device, and the student-specific stationery box with a reminder device is used to sharpen pencils. It can purify and disperse in time, avoid peculiar smell inside the stationery box after long-term use, and improve the practicability of the device.

Description

A kind of stationery box with reminder device for students

technical field

The invention relates to a special stationery box with a reminder device for students, which belongs to the field of stationery boxes.

Background technique

Stationery boxes are boxes that students use to store pens, pencils, rulers, erasers and other stationery.

However, the prior art has a simple structure, and the traditional stationery box with a reminder device for students only has the smell of pencil shavings and pencil lead left inside the stationery box after the pencil is sharpened during use, which cannot purify the air inside the stationery box, resulting in the long-term use of the stationery box. There is a peculiar smell inside after use, and the practicability of the device is poor.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a stationery box with a reminder device for students, so as to solve the problem that the structure of the prior art is simple, and the traditional stationery box with a reminder device for students is used to sharpen the pencil. Pencil shavings and pencil lead smells remain in the back of the stationery box, and the air inside the stationery box cannot be purified, resulting in the problem of peculiar smell inside the stationery box after long-term use and poor device practicability.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a special stationery box with a reminder device for students, the structure of which includes a timed alarm clock, a stationery box sealing cover, a non-slip support foot, a closed magnetic buckle, and a stationery box main body. , Stationery box switch button, rubber storage box, lighting, decorative pictures, the timetable alarm clock is nested in the left end of the upper surface of the stationery box sealing cover, the stationery box sealing cover hinge is connected to the top surface of the stationery box main body and is connected with the stationery The box main body is parallel to each other, the closed magnetic buckle is installed on the bottom of the upper surface of the stationery box sealing cover and is closely attached to the upper surface of the stationery box main body, and the back of the decorative picture is glued to the upper surface of the stationery box sealing cover and the sides of the stationery box main body. And the bottom surface, the stationery box switch button is mechanically connected to the front of the stationery box body from left to right two-thirds, the rubber storage box is nested on the right side of the stationery box switch button on the stationery box body, the lighting The bolts are fixed on the upper surface of the sealing cover of the stationery box, and the upper surface of the anti-skid supporting feet is glued to the four corners of the bottom surface of the stationery box main body. It consists of a clamp, a pencil sharpener body, an air purification device, a pencil scrap removal device, a gear drive structure, a pencil sharpener shell, a control panel, and a battery storage compartment. The battery storage compartment is bolted to the upper right corner of the pencil sharpener shell. , the control panel is electrically connected to the lower part of the battery storage compartment in the shell of the pencil sharpener, the drive motor bolt is installed on the top of the shell of the pencil sharpener and is electrically connected to the control panel, and the drive coupling is mechanically connected to the drive motor On the left side, the left and right ends of the motor shock-absorbing device are in close contact with the inner wall of the pencil sharpener shell and the left side surface of the drive coupling respectively. The pencil sharpener body is mechanically connected below the drive coupling, and the pencil The gripper is installed at the leftmost end of the pencil sharpener shell, the air purification device is mechanically connected to the lower part of the pencil sharpener body, the gear drive structure is located on the left side of the pencil sharpener body and meshes with the pencil sharpener body. The pen dust removal device is installed under the gear drive structure.

Further, the drive coupling is composed of a first transmission rod, a half coupling, a fork joint, and a second transmission rod. The right end of the first transmission rod is bolted to the driving motor, and the first transmission rod is bolted together. The left end of the rod and the right surface of the half coupling are vertically welded together, the fork joint is transitionally fitted in the middle of the half coupling, and the right end of the second transmission rod is welded together with the left surface of the half coupling.

Further, the coupling damping device is composed of a rubber shock strut, a first spring fixing seat, a shock absorbing buffer spring, and a second spring fixing seat, and the rubber shock absorbing strut is nested in the first spring fixing seat and the second spring fixing seat. In the middle of the second spring fixing seat, the front side of the right side of the second spring fixing seat is close to the left end of the drive coupling, and the left side surface of the first spring fixing seat is close to the inner wall of the pen roller shell and is fixed with the second spring The seats are on the same level.

Further, the main body of the pencil sharpener is composed of a first gear plate, a first gear transmission belt, a fixed plate on the pencil sharpener, a threaded pencil sharpener, a second gear plate, a hollow pencil fixing tube, a waste trough, and a pencil sharpener. It is composed of a lower fixing plate and a transmission shaft. The first gear plate is nested in the second transmission rod on the drive coupling at one-fifth from left to right. The pencil hollow fixing tube is located on the right side of the pencil clamp. The second gear plate is welded to the leftmost end of the pencil hollow fixed tube, the first gear transmission belt is nested in the side surfaces of the first gear plate and the second gear plate and meshed with each other, and the fixed plate on the pencil sharpener is vertical Installed on the upper surface of the pencil hollow fixed tube from left to right one-third of the way, the lower fixed plate of the pencil sharpener is nested in the pencil hollow fixed tube from right to left one-sixth of the upper surface, the threaded pencil sharpener The knife is mechanically connected between the upper fixed plate of the pencil sharpener and the lower fixed plate of the pencil sharpener, the transmission shaft is located at the rightmost end of the pencil hollow fixed tube, and the waste chip groove penetrates and connects below the pencil hollow fixed tube.

Further, the pencil gripper is composed of a rubber gripping block, a gripping push rod, a manual pushing and pulling block, an automatic return spring, and a spring top plate. The rod is installed on the left end of the pen roller shell and is bolted together with the manual push-pull block. The backside of the rubber clamping block is glued to the top of the clamping push rod. The automatic return spring is mechanically connected in the middle of the spring top plate.

Further, the air purification device is composed of a third gear plate, a second gear transmission belt, a fan shaft, a fan blade, and a purifying agent filling bag, and the third gear plate is nested in the second gear plate of the pencil sharpener body. The right side is parallel to each other, the fan shaft is mechanically connected to the right side of the pencil gripper, the second gear drive belt and the third gear disc and the fan shaft are meshed with each other, and the fan blades are evenly distributed on the side of the fan shaft , the purifying agent filling package is located on the right side of the fan blade.

Further, the pen dust removal device is composed of a cleaning brush, a push rod, and rolling adjustment teeth, the rolling adjustment teeth are evenly distributed on the upper surface of the push rod, and the cleaning brush bolt is fixed on the leftmost end of the push rod, The push rod is nested on the right side of the air purification device.

Further, the gear drive structure is composed of a sector gear plate, a drive column, a swing rod, a fourth gear plate, a screw connection shaft, and a bevel gear plate. The bevel gear plate is installed above the screw connection shaft and meshes with the screw connection shaft and the fourth gear plate. The fourth gear plate is located on the right side of the bevel gear plate. The swing lever is nested in the middle of the driving column of the fourth gear plate, and the sector gear plate is installed under the swing lever and is mechanically connected with the pen dust removal device.

beneficial effect

The invention is a stationery box with a reminder device specially for students. The clamping push rod is pulled down by the manual push-pull block of the pencil clamp, the pencil is inserted into the hollow fixed tube of the pencil, and the manual push-pull block is released, and the automatic return spring returns to its original state. Clamp the pencil, control the drive motor to work through the control panel, the drive motor drives the drive coupling to make circular motion, the drive coupling drives the first gear transmission belt to rotate, and the first gear transmission belt drives the lower second gear plate to move. , the pencil hollow fixed tube on the second gear plate rotates at the same time, the threaded pencil sharpener cuts the pencil in the pencil hollow fixed tube, and the pencil shavings fall into the cleaning channel through the waste chip groove on the side of the pencil hollow fixed tube, and the pencil The drive shaft on the right side of the hollow fixed tube drives the bevel gear plate and the fourth gear plate in the gear drive structure to rotate, and the swing rod drives the sector gear plate to swing left and right along with the movement of the drive column on the fourth gear plate, and the sector gear plate drives the pen scraps The push rod of the cleaning device reciprocates left and right, and the cleaning brush on the left side of the push rod removes the pencil shavings from the cleaning channel. At the same time, the hollow fixed tube of the pencil drives the lower fan shaft to rotate, and the fan blades on the fan shaft suck the air and remove it. Blowing into the cleaning channel, the purifying agent filling bag can deodorize the air in the cleaning channel. The invention realizes that the stationery box with the reminder device specially for students is installed with the air purification device, and the stationery box with the reminder device for students is in use. When the pencils are sharpened, the smell of pencil scraps and pencil leads left in the stationery box can be purified and dissipated in time, so as to avoid peculiar smell inside the stationery box after long-term use, and improve the practicability of the device.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a student-specific stationery box with a reminder device according to the present invention.

FIG. 2 is a schematic diagram of the internal cross-sectional structure of the main body of the stationery box of the present invention.

3 is a detailed schematic diagram of the internal structure of the main body of the stationery box of the present invention.

FIG. 4 is a working schematic diagram 1 of the main body of the stationery box of the present invention.

FIG. 5 is a second working schematic diagram of the main body of the stationery box of the present invention.

FIG. 6 is a schematic structural diagram of A in FIG. 4 of the present invention.

In the picture: timer alarm clock-1, stationery box sealing cover-2, non-slip support feet-3, closing magnetic buckle-4, stationery box body-5, stationery box switch button-6, rubber storage box-7, lighting lamp- 8. Decorative picture-9, drive motor-501, drive coupling-502, coupling damping device-503, pencil clamp-504, pencil sharpener body-505, air purification device-506, pen scraps Clearance Device-507, Gear Drive Structure-508, Pencil Sharpener Housing-509, Control Panel-510, Battery Storage Compartment-511, First Transmission Lever-5021, Half Coupling-5022, Fork Joint-5023, Second transmission rod-5024, rubber shock-absorbing strut-5031, first spring fixing seat-5032, shock-absorbing buffer spring-5033, second spring fixing seat-5034, first gear plate-5051, first gear transmission belt-5052 , Pencil sharpener upper fixing plate-5053, threaded pencil sharpener-5054, second gear plate-5055, pencil hollow fixing tube-5056, waste chute-5057, pencil sharpener lower fixing plate-5058, transmission shaft-5059 , Rubber clamping block-5041, clamping push rod-5042, manual push-pull block-5043, automatic return spring-5044, spring top plate-5045, third gear plate-5061, second gear drive belt-5062, fan shaft- 5063, Fan Blade-5064, Detergent Filling Pack-5065, Cleaning Brush-5071, Push Rod-5072, Rolling Adjustment Teeth-5073, Sector Gear Plate-5081, Drive Column-5082, Swing Rod-5083, Fourth Gear Disc-5084, screw connection shaft-5085, bevel gear disc-5086.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

Please refer to FIG. 1 to FIG. 6 . The present invention provides a stationery box with a reminder device for students. Its structure includes a timer alarm clock 1, a stationery box sealing cover 2, an anti-skid support foot 3, a closed magnetic buckle 4, and a stationery box body 5. , the switch button 6 of the stationery box, the rubber storage box 7, the lighting lamp 8, the decorative picture 9, the timed alarm clock 1 is nested in the left end of the upper surface of the stationery box sealing cover 2, and the hinge of the stationery box sealing cover 2 is connected to the stationery The top surface of the box main body 5 is parallel to the stationery box main body 5. The closed magnetic buckle 4 is installed on the bottom of the upper surface of the stationery box sealing cover 2 and is closely attached to the upper surface of the stationery box main body 5. The decorative picture 9 is glued on the back. Connect the upper surface of the stationery box sealing cover 2, the surrounding sides and the bottom surface of the stationery box main body 5, the stationery box switch button 6 is mechanically connected to the front of the stationery box main body 5 from left to right two-thirds, the rubber storage box 7 is embedded Covered on the right side of the stationery box main body 5 on the stationery box switch button 6, the lighting lamp 8 is bolted to the upper surface of the stationery box sealing cover 2, and the upper surface of the anti-skid supporting feet 3 is glued to the stationery box main body 5 The bottom surface of the four The main body 5 of the stationery box is composed of a drive motor 501, a drive coupling 502, a coupling damping device 503, a pencil gripper 504, a pencil sharpener body 505, an air purification device 506, a pen dust removal device 507, It is composed of a gear drive structure 508, a pencil sharpener housing 509, a control panel 510, and a battery storage compartment 511. The battery storage compartment 511 is bolted to the upper right corner of the pencil sharpener housing 509, and the control panel 510 is electrically connected to the pencil sharpener. Below the battery storage compartment 511 in the housing 509, the drive motor 501 is bolted to the top of the pencil sharpener housing 509 and is electrically connected to the control panel 510, and the drive coupling 502 is mechanically connected to the left side of the drive motor 501, so The left and right ends of the motor shock absorbing device 503 are in close contact with the inner wall of the pencil sharpener housing 509 and the left side surface of the drive coupling 502 respectively. The pencil gripper 504 is installed at the leftmost end of the pencil sharpener housing 509, the air purification device 506 is mechanically connected to the lower part of the pencil sharpener body 505, and the gear drive structure 508 is located on the left side of the pencil sharpener body 505 and is connected with the pencil sharpener. The knife bodies 505 are meshed with each other, the pen dust removal device 507 is installed under the gear drive structure 508, and the drive coupling 502 consists of a first transmission rod 5021, a half coupling 5022, a fork joint 5023, and a second transmission rod 5024, the right end of the first transmission rod 5021 is bolted together with the drive motor 501, the left end of the first transmission rod 5021 and the right surface of the half coupling 5022 are vertically welded together, and the fork joint 5023 is transitionally fitted to In the middle of the half coupling 5022, the right end of the second transmission rod 5024 and the left surface of the half coupling 5022 are welded together. The coupling damping device 503 is composed of a rubber shock strut 5031 and a first spring fixing seat 5032. , Shock-absorbing buffer spring 5033, the second spring is fixed The rubber shock-absorbing strut 5031 is nested in the middle of the first spring fixing seat 5032 and the second spring fixing seat 5034, and the right front side of the second spring fixing seat 5034 is close to the left end of the drive coupling 502, The left side surface of the first spring fixing seat 5032 is close to the inner wall of the pencil sharpener shell 509 and is on the same horizontal line as the second spring fixing seat 5034. The pencil sharpener body 505 is driven by the first gear plate 5051 and the first gear. The belt 5052, the upper fixing plate of the pencil sharpener 5053, the threaded pencil sharpener 5054, the second gear plate 5055, the pencil hollow fixing tube 5056, the waste chute 5057, the lower fixing plate of the pencil sharpener 5058, and the transmission shaft 5059 are composed of the A gear plate 5051 is nested on the drive coupling 502 at one-fifth of the second transmission rod 5024 from left to right, the pencil hollow fixing tube 5056 is located on the right side of the pencil gripper 504, the second gear plate 5055 is welded to the leftmost end of the pencil hollow fixing tube 5056, the first gear drive belt 5052 is nested in the side surfaces of the first gear plate 5051 and the second gear plate 5055 and meshes with each other, the fixing plate 5053 on the pencil sharpener is vertical Installed on the upper surface of the pencil hollow fixed tube 5056 from left to right one third of the way, the lower fixed plate 5058 of the pencil sharpener is nested in the pencil hollow fixed tube 5056 from right to left one sixth from the right, the The threaded pencil sharpener 5054 is mechanically connected between the pencil sharpener upper fixing plate 5053 and the pencil sharpener lower fixing plate 5058, the drive shaft 5059 is located at the far right end of the pencil hollow fixing tube 5056, and the waste chip groove 5057 is connected to the pencil Below the hollow fixed tube 5056, the pencil gripper 504 is composed of a rubber clamping block 5041, a clamping push rod 5042, a manual push-pull block 5043, an automatic return spring 5044, and a spring top plate 5045. The manual push-pull block 5043 is located in the pencil roll On the left side of the outer casing 509, the clamping push rod 5042 is installed on the left end of the pen roller casing 509 and is bolted together with the manual push-pull block 5043. The back of the rubber clamping block 5041 is glued to the top of the clamping push rod 5042. , the spring top plate 5045 is nested under the clamping push rod 5042, the automatic return spring 5044 is mechanically connected to the middle of the spring top plate 5045, and the air purification device 506 is composed of a third gear plate 5061, a second gear drive belt 5062, The fan shaft 5063, the fan blade 5064, and the purifying agent filling bag 5065 are composed. The third gear plate 5061 is nested on the right side of the second gear plate 5055 of the pencil sharpener body 505 and parallel to each other. The fan shaft 5063 is mechanically connected to On the right side of the pencil gripper 504, the second gear transmission belt 5062 meshes with the third gear plate 5061 and the fan shaft 5063, the fan blades 5064 are evenly distributed on the side of the fan shaft 5063 at equal distances, and the purifying agent fills the bag 5065 is located on the right side of the fan blade 5064, the pen scraps removal device The setting 507 is composed of a cleaning brush 5071, a push rod 5072, and a rolling adjustment tooth 5073. The rolling adjustment teeth 5073 are evenly distributed on the upper surface of the push rod 5072. The cleaning brush 5071 is bolted to the leftmost end of the push rod 5072. The push rod 5072 is nested on the right side of the air purification device 506, and the gear drive structure 508 consists of a sector gear plate 5081, a drive column 5082, a swing rod 5083, a fourth gear plate 5084, a screw connection shaft 5085, and a bevel gear plate 5086 The screw connection shaft 5085 is located on the side of the drive shaft 5059 on the main body 505 of the pencil sharpener, the bevel gear plate 5086 is installed above the screw connection shaft 5085 and meshes with the screw connection shaft 5085 and the fourth gear plate 5084. The fourth gear plate 5084 is located on the right side of the bevel gear plate 5086, the drive column 5082 is welded vertically to the front of the fourth gear plate 5084, the swing rod 5083 is nested in the middle of the drive column 5082 of the fourth gear plate 5084, the fan-shaped The gear plate 5081 is installed under the swing rod 5083 and is mechanically connected with the pen crumb removal device 507. The lighting lamp 8 is made of LED lamp material, which consumes less power and effectively saves the power consumption of the stationery box.

The driving motor 501 in the present invention refers to an electromagnetic device that realizes electric energy conversion or transmission according to the law of electromagnetic induction. The motor is represented by the letter M in the circuit, and its main function is to generate driving torque, which is used as an electrical appliance or various a mechanical power source.

When in use, the clamping push rod 5042 is pulled down by the manual push-pull block 5043 of the pencil gripper 504, the pencil is inserted into the pencil hollow fixing tube 5056, and the manual push-pull block 5043 is released, and the automatic return spring 5044 restores the pencil to its original state. Clamp, control the drive motor 501 to work through the control panel 510, the drive motor 501 drives the drive coupling 502 to perform circular motion, the drive coupling 502 drives the first gear transmission belt 5052 to rotate, and the first gear transmission belt 5052 drives the lower The second gear plate 5055 moves, the pencil hollow fixing tube 5056 on the second gear plate 5055 rotates at the same time, the threaded pencil sharpener 5054 cuts the pencil in the pencil hollow fixing tube 5056, and the pencil scraps pass through the side of the pencil hollow fixing tube 5056 The waste chute 5057 dropped into the cleaning channel, the drive shaft 5059 on the right side of the pencil hollow fixed tube 5056 drives the bevel gear plate 5086 and the fourth gear plate 5084 in the gear drive structure 508 to rotate, and the swing rod 5083 rotates with the fourth gear The movement of the drive column 5082 on the plate 5084 drives the sector gear plate 5081 to swing left and right, and the sector gear plate 5081 drives the push rod 5072 of the pen scrap removal device 507 to reciprocate left and right, and the cleaning brush 5071 on the left side of the push rod 5072 removes the pencil scraps from the cleaning channel. At the same time, the pencil hollow fixed tube 5056 drives the lower fan shaft 5063 to rotate, and the fan blades 5064 on the fan shaft 5063 suck the air and blow it into the cleaning channel. The purifying agent filling bag 5065 can clean the air in the channel. to taste.

Its structure and principle are all known to those skilled in the art through technical manuals or through conventional experimental methods. The problem solved by the present invention is that the prior art structure is simple, and the traditional stationery box with a reminder device for students is used. After the pencils are sharpened, the smell of pencil scraps and pencil lead remains inside the stationery box, and the air inside the stationery box cannot be purified, resulting in peculiar smell inside the stationery box after long-term use, and poor device practicability. It is realized that the student-specific stationery box with a reminder device is installed with an air purification device, and the pencil shavings and pencil lead smell left in the stationery box can be purified and dispelled in time after the pencils are sharpened in the student-specific stationery box with a reminder device. Avoid peculiar smell inside the stationery box after long-term use, and improve the practicability of the device.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but without departing from the spirit or essential aspects of the present invention. In the case of the characteristic features, the present invention can be implemented in other specific forms. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (1)

1. The utility model provides a student's special use takes reminding device's stationery box, its structure is including regularly alarm clock (1), the sealed lid of stationery box (2), anti-skidding supporting legs (3), closed magnetism is detained (4), stationery box main part (5), stationery box shift knob (6), rubber case (7), light (8), decoration picture (9), its characterized in that:

the timing alarm clock (1) is nested at the left end of the upper surface of a stationery case sealing cover (2), the stationery case sealing cover (2) is connected with the top surface of a stationery case main body (5) in a hinged mode and is parallel to the stationery case main body (5), the closed magnetic buckle (4) is installed at the bottom of the upper surface of the stationery case sealing cover (2) and is tightly attached to the upper surface of the stationery case main body (5), the back of the decorative picture (9) is connected with the upper surface of the stationery case sealing cover (2) in an adhesive mode, the peripheral side surfaces and the bottom surface of the stationery case main body (5), the stationery case switch button (6) is mechanically connected to the front of the stationery case main body (5) from left to right two thirds, the rubber storage case (7) is nested at the right side of the stationery case switch button (6) on the stationery case main body (5), and the illuminating lamp (8) is fixed on the, the upper surfaces of the anti-skid supporting legs (3) are connected with four corners of the bottom surface of the writing case main body (5) through glue;

the pencil box main body (5) is composed of a driving motor (501), a driving coupling (502), a coupling damping device (503), a pencil clamper (504), a pencil sharpener main body (505), an air purification device (506), a pencil scrap removal device (507), a gear driving structure (508), a pencil sharpener shell (509), a control panel (510) and a battery storage bin (511), wherein the battery storage bin (511) is fixed at the upper right corner in the pencil sharpener shell (509) through bolts, the control panel (510) is electrically connected below the battery storage bin (511) in the pencil sharpener shell (509), the driving motor (501) is installed at the top in the pencil sharpener shell (509) through bolts and is electrically connected with the control panel (510), the driving coupling (502) is mechanically connected to the left side of the driving motor (501), the left end and the right end of the coupling damping device (503) are respectively tightly leaned together with the inner wall of the pencil sharpener shell (509) and the left side surface of the driving coupling (502), the pencil sharpener main body (505) is mechanically connected below the driving coupling (502), the pencil clamp (504) is installed at the leftmost end in the pencil sharpener shell (509), the air purification device (506) is mechanically connected below the pencil sharpener main body (505), the gear driving structure (508) is located on the right side of the pencil sharpener main body (505) and is meshed with the pencil sharpener main body (505), and the pencil scrap removing device (507) is installed below the gear driving structure (508);

the driving coupling (502) is composed of a first transmission rod (5021), a half coupling (5022), a fork joint (5023) and a second transmission rod (5024), the right end of the first transmission rod (5021) is fixed with a driving motor (501) through a bolt, the left end of the first transmission rod (5021) is vertically welded with the right surface of the half coupling (5022), the fork joint (5023) is in transition fit with the middle of the half coupling (5022), and the right end of the second transmission rod (5024) is welded with the left surface of the half coupling (5022);

the coupler shock absorption device (503) consists of a rubber shock absorption strut (5031), a first spring fixing seat (5032), a shock absorption buffer spring (5033) and a second spring fixing seat (5034), wherein the rubber shock absorption strut (5031) is nested between the first spring fixing seat (5032) and the second spring fixing seat (5034), the right front side of the second spring fixing seat (5034) is abutted against the left end of the driving coupler (502), and the left surface of the first spring fixing seat (5032) is tightly attached to the inner wall of the pen winder shell (509) and is positioned on the same horizontal line with the second spring fixing seat (5034);

the pencil sharpener main body (505) consists of a first gear disc (5051), a first gear transmission belt (5052), a pencil sharpener upper fixing plate (5053), a threaded pencil sharpener (5054), a second gear disc (5055), a pencil hollow fixing tube (5056), a scrap groove (5057), a pencil sharpener lower fixing plate (5058) and a transmission shaft (5059), wherein the first gear disc (5051) is nested on a second transmission rod (5024) on a driving coupling (502) from left to right, the pencil hollow fixing tube (5056) is located on the right side of the pencil sharpener (504), the second gear disc (5055) is welded at the leftmost end of the pencil hollow fixing tube (5056), the first gear transmission belt (5052) is nested on the side faces of the first gear disc (5051) and the second gear disc (5055) and meshed with each other, the pencil sharpener upper fixing plate (5053) is vertically installed at the position of the pencil hollow fixing tube (5056) from left to right, the pencil sharpener lower fixing plate (5058) is nested in one sixth of the upper surface of a pencil hollow fixing tube (5056) from right to left, the threaded pencil sharpener (5054) is mechanically connected between the pencil sharpener upper fixing plate (5053) and the pencil sharpener lower fixing plate (5058), the transmission shaft (5059) is located at the rightmost end of the pencil hollow fixing tube (5056), and the scrap groove (5057) is connected below the pencil hollow fixing tube (5056) in a penetrating mode;

the pencil clamp (504) consists of a rubber clamping block (5041), a clamping push rod (5042), a manual pushing and pulling block (5043), an automatic return spring (5044) and a spring top plate (5045), the manual pushing and pulling block (5043) is located on the left side of a pencil sharpener shell (509), the clamping push rod (5042) is installed at the left end in the pencil sharpener shell (509) and is in bolted connection with the manual pushing and pulling block (5043), the back face of the rubber clamping block (5041) is in glued connection with the top of the clamping push rod (5042), the spring top plate (5045) is nested below the clamping push rod (5042), and the automatic return spring (5044) is in mechanical connection with the middle of the spring top plate (5045);

the air purification device (506) consists of a third gear disc (5061), a second gear transmission belt (5062), a fan rotating shaft (5063), fan blades (5064) and a purifying agent filling bag (5065), wherein the third gear disc (5061) is nested on the right side of the second gear disc (5055) of the pencil sharpener main body (505) and is parallel to each other, the fan rotating shaft (5063) is mechanically connected to the right side of the pencil clamper (504), the second gear transmission belt (5062), the third gear disc (5061) and the fan rotating shaft (5063) are meshed with each other, the fan blades (5064) are uniformly distributed on the side surface of the fan rotating shaft (5063) at equal intervals, and the purifying agent filling bag (5065) is positioned on the right side of the fan blades (5064);

the pencil waste removing device (507) is composed of a cleaning brush (5071), a pushing rod (5072) and rolling adjusting teeth (5073), the rolling adjusting teeth (5073) are uniformly distributed on the upper surface of the pushing rod (5072) at equal intervals, the cleaning brush (5071) is fixed to the leftmost end of the pushing rod (5072) through bolts, and the pushing rod (5072) is nested on the right side of the air purifying device (506);

the gear driving structure (508) consists of a sector gear disc (5081), a driving column (5082), a swinging rod (5083), a fourth gear disc (5084), a spiral connecting shaft (5085) and an inclined plane gear disc (5086), the spiral connecting shaft (5085) is positioned on the side surface of the transmission shaft (5059) on the pencil sharpener main body (505), the inclined gear plate (5086) is arranged above the spiral connecting shaft (5085) and is meshed with the spiral connecting shaft (5085) and the fourth gear plate (5084), the fourth gear plate (5084) is positioned at the right side of the inclined gear plate (5086), the driving column (5082) is vertically welded at the front surface of the fourth gear plate (5084), the swinging rod (5083) is nested in the middle of a driving column (5082) of a fourth gear plate (5084), the fan-shaped gear plate (5081) is arranged below the swinging rod (5083) and is mechanically connected with the pencil waste removing device (507);

when the pencil sharpener is used, the clamping push rod is pulled downwards through the manual push-pull block of the pencil clamper, a pencil is inserted into the hollow pencil fixing tube and then is released, the automatic reset spring restores to the original state to clamp the pencil, the driving motor is controlled to work through the control panel, the driving motor drives the driving coupling to do circular motion, the driving coupling drives the first gear transmission belt to rotate, the second gear disc below the driving coupling is driven to move through the first gear transmission belt, the hollow pencil fixing tube on the second gear disc rotates simultaneously, the thread pencil sharpener cuts off the pencil in the hollow pencil fixing tube, pencil scraps fall into the cleaning channel through the scrap groove on the side surface of the hollow pencil fixing tube, the transmission shaft on the right side of the hollow pencil fixing tube drives the inclined plane gear disc in the gear driving structure to rotate with the fourth gear disc, the oscillating rod drives the fan-shaped gear disc to swing left and right along with the movement of the driving column on the fourth gear disc, the fan-shaped gear disc drives a push rod of the pencil scrap removing device to reciprocate left and right, the cleaning brush on the left side of the push rod removes pencil scraps from a cleaning channel, meanwhile, a fan rotating shaft below the hollow pencil fixing tube is driven to rotate, and fan blades on the fan rotating shaft suck air and blow the air into the cleaning channel.

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