CN214001146U

CN214001146U - Pencil sharpener convenient to clean

Info

Publication number: CN214001146U
Application number: CN202023274573.3U
Authority: CN
Inventors: 杨皓宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-20
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a pencil sharpener convenient for cleaning, in particular to the technical field of stationery equipment, which comprises a shell, the top of the shell is fixedly provided with a fixing mechanism, the inner wall of the shell is fixedly connected with a first partition plate and a second partition plate, the inner wall of the shell is fixedly connected with a servo motor, an output shaft of the servo motor is fixedly sleeved with a driving helical gear, the inner wall of the shell is rotatably connected with a first transmission shaft through a bearing, the surface of the first transmission shaft is fixedly sleeved with a first driven helical gear and a first driving belt pulley, one side of the first driven bevel gear is meshed with the upper end of the driving bevel gear, one side of the first partition plate and the inner wall of the shell are fixedly connected with symmetrically distributed support rods, one end of the support rod, which is far away from the first partition plate and the inner wall of the shell, is fixedly connected with a first inner gear ring. The utility model provides high energy utilization efficiency reduces the energy consumption, and the environmental protection is convenient for clean the inside casing of pencil sword.

Description

Pencil sharpener convenient to clean

Technical Field

The utility model relates to a stationery equipment technical field, more specifically say, the utility model relates to a pencil sharpener convenient to clearance.

Background

The electric pencil sharpener comprises a shell, a positioning hole, a power circuit, a pencil sharpener head, a driving circuit and a power switch, and the utility model discloses an electric power drives as power, and the pencil nib is sharpened with the mode of grinding to the pencil sharpener head, so can work conveniently, evenly. The power switch is positioned on the inner side of the positioning hole, so that the contact switch is switched on due to the pressure of the pencil after the pencil is inserted into the positioning hole, and the function of automatically sharpening the pencil point is realized. The powder after grinding the pen point can be poured out from the square hole on the shell. This fully achieves convenient, quick and automatic pencil sharpening.

However, when the pencil sharpener is used in actual use, the environment is often damaged due to the fact that a large amount of scraps are generated during pencil sharpening, the pencil is horizontally placed, and when the pencil is sharpened, the scraps splash everywhere, so that the scraps at the inner corners of the pencil sharpener cannot be cleaned.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a pencil sharpener convenient to clearance through setting up fixed establishment, with the vertical cutting of placing of pencil, prevents that the piece from splashing, sets up the elastic plate in the below of cutting sword simultaneously, makes the piece can slide into the piece collecting box, and the processing is collected in unison, the clearance of being convenient for, the environmental protection simultaneously to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pencil sharpener convenient to clean comprises a casing, wherein a fixing mechanism is fixedly installed at the top of the casing, a first partition plate and a second partition plate are fixedly connected to the inner wall of the casing, a servo motor is fixedly connected to the inner wall of the casing, a driving helical gear is fixedly sleeved on an output shaft of the servo motor, a first transmission shaft is rotatably connected to the inner wall of the casing through a bearing, a first driven helical gear and a first driving pulley are fixedly sleeved on the surface of the first transmission shaft, one side of the first driven helical gear is meshed with the upper end of the driving helical gear, symmetrically distributed support rods are fixedly connected to one side of the first partition plate and the inner wall of the casing, a first inner gear ring is fixedly connected to one end of each support rod, which is far away from the first partition plate and the inner wall of the casing, a first driving cutting gear and a second driving cutting gear are fixedly meshed with the inner portion of the first inner gear ring, the inside of first initiative cutting gear is connected with first cutting axle through the bearing rotation, the top fixedly connected with first driven pulley of first cutting axle, the surface transmission of the surface of first driven pulley and first driving pulley is connected with the first belt of wearing to locate the inside of first division board.

Furthermore, a second cutting shaft is rotatably connected inside the second driving cutting gear through a bearing, the top of the second cutting shaft is fixedly connected with the bottom of the first driven belt pulley, a cutting hole is formed inside the first driven belt pulley, the top of the first driven belt pulley is rotatably connected with a support ring through a bearing, and the top of the support ring is fixedly connected with the inner wall of the shell.

Further, fixed establishment is including fixed case, the bottom of fixed case and the top fixed connection of casing, the bottom inner wall fixedly connected with spring telescopic link of fixed case, the top fixedly connected with of spring telescopic link removes the case, the inner wall sliding connection of guide rail and fixed case is passed through in the outside of removal case, the activity of removal case links up the control lever of wearing to locate fixed incasement portion, the control lever is located the outer fixed surface fixedly connected with backing plate of removal incasement portion, one side of backing plate and the inner wall fixedly connected with extension spring of removal case, the one end fixedly connected with handle that the control lever stretches out the fixed case, the one end joint that the fixed case was kept away from to the control lever has the pencil.

Furthermore, the bottom of the first driving cutting gear is fixedly connected with a first cutting knife, one end, far away from the first driving cutting gear, of the first cutting knife is fixedly connected with a first driven cutting gear, the bottom of the second driving cutting gear is fixedly connected with a second cutting knife, the bottom of the second cutting knife is fixedly connected with a second driven cutting gear, one side of the first partition board and the inner wall of the shell are fixedly connected with a trapezoidal stop block, one end, far away from the first partition board and the shell, of the trapezoidal stop block is fixedly connected with a second inner gear ring, and the second inner gear ring is in meshed connection with the first driven cutting gear and the second driven cutting gear.

Further, the inside of second division board is connected with the second transmission shaft of wearing to locate the second division board through the bearing rotation, the fixed cover in upper end surface of second transmission shaft has connect the driven helical gear of second, the driven helical gear of second is connected with the meshing of initiative helical gear, the fixed cover in lower extreme surface of second transmission shaft has connect the driven helical gear of third, the inner wall of casing rotates through the bearing and is connected with first axis of rotation, the fixed surface of first axis of rotation has cup jointed the driven helical gear of fourth and second driving pulley, the driven helical gear of fourth is connected with the meshing of the driven helical gear of third.

Furthermore, the inner wall of casing rotates through the bearing and is connected with the second axis of rotation, the fixed surface of second axis of rotation has cup jointed second driven pulley and cam, the transmission is connected with the second belt of wearing to locate first division board inside between the surface of second driven pulley and the second driving pulley.

Furthermore, the inner wall of the shell is fixedly connected with symmetrically distributed clamping block strips, one side, opposite to the clamping block strips, of the elastic plate is fixedly connected with an elastic plate, the bottom of the elastic plate is movably connected with a protruding part of the cam, one end of the elastic plate is fixedly connected with the trapezoidal stop block, one end, far away from the trapezoidal stop block, of the elastic plate is movably provided with a scrap collecting box, and the bottom of the scrap collecting box is connected with the inner wall of the bottom of the shell in a sliding mode through a guide rail.

The utility model discloses a technological effect and advantage:

1. by arranging the elastic plate, compared with the prior art, the cutting chips slide into the chip collecting box by intermittently jacking the elastic plate by the cam, so that the interior of the shell is kept clean, the work of cleaning the shell is reduced, and the environment is protected;

2. through setting up servo motor, compare with prior art, utilize the principle of a tractor serves several purposes, improve energy efficiency, reduce the energy consumption, the environmental protection is cleared up to casing inside simultaneously, is convenient for clean the inside casing of pencil sword.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the inner gear ring structure of the present invention.

Fig. 3 is a schematic diagram of the elastic plate structure of the present invention.

FIG. 4 is a schematic view of the fixing mechanism of the present invention

The reference signs are: 1. a housing; 2. a first partition plate; 3. a second partition plate; 4. a servo motor; 5. a driving bevel gear; 6. a first drive shaft; 7. a first driven helical gear; 8. a first drive pulley; 9. a support bar; 10. a first inner gear ring; 11. a first active cutting gear; 12. a second active cutting gear; 13. a first cutting shaft; 14. a first driven pulley; 15. a first belt; 16. a second cutting shaft; 17. a support ring; 18. a fixed box; 19. a spring telescopic rod; 20. a mobile box; 21. a control lever; 22. a base plate; 23. an extension spring; 24. a handle; 25. a pencil; 26. a first cutting blade; 27. a first driven cutting gear; 28. a second cutting blade; 29. a second driven cutting gear; 30. a trapezoidal stop block; 31. a second inner gear ring; 32. a second drive shaft; 33. a second driven helical gear; 34. a third driven helical gear; 35. a first rotating shaft; 36. a fourth driven helical gear; 37. a second drive pulley; 38. a second rotating shaft; 39. a second driven pulley; 40. a cam; 41. a second belt; 42. a block strip; 43. an elastic plate; 44. a debris collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached figures 1-4, a pencil sharpener convenient for cleaning comprises a housing 1, a fixing mechanism is fixedly installed at the top of the housing 1, a first partition plate 2 and a second partition plate 3 are fixedly connected to the inner wall of the housing 1, a servo motor 4 is fixedly connected to the inner wall of the housing 1, a driving bevel gear 5 is fixedly sleeved on an output shaft of the servo motor 4, a first transmission shaft 6 is rotatably connected to the inner wall of the housing 1 through a bearing, a first driven bevel gear 7 and a first driving pulley 8 are fixedly sleeved on the surface of the first transmission shaft 6, one side of the first driven bevel gear 7 is engaged with the upper end of the driving bevel gear 5, symmetrically distributed support rods 9 are fixedly connected to one side of the first partition plate 2 and the inner wall of the housing 1, a first inner gear ring 10 is fixedly connected to one end of the support rods 9 far away from the first partition plate 2 and the inner wall of the housing 1, a first driving cutting gear 11 and a second driving cutting gear 12 are engaged with the inner portion of the first inner gear ring 10, the inside of first initiative cutting gear 11 is connected with first cutting axle 13 through the bearing rotation, and the first driven pulley 14 of top fixedly connected with of first cutting axle 13, the surface transmission of the surface of first driven pulley 14 and first driving pulley 8 are connected with and wear to locate the inside first belt 15 of first division board 2.

In a preferred embodiment, the second driving cutting gear 12 is rotatably connected to the inside of the second driving cutting gear 12 through a bearing, the top of the second cutting shaft 16 is fixedly connected to the bottom of the first driven pulley 14, a cutting hole is formed in the first driven pulley 14, the top of the first driven pulley 14 is rotatably connected to a support ring 17 through a bearing, and the top of the support ring 17 is fixedly connected to the inner wall of the housing 1, so that the first driven pulley 14 rotates to drive the first cutting shaft 13 and the second cutting shaft 16 to rotate around the axis of the first internal gear ring 10, and further drive the first driving cutting gear 11 and the second driving cutting gear 12 to rotate around the axis of the first internal gear ring 10.

In a preferred embodiment, the fixing mechanism comprises a fixed box 18, the bottom of the fixed box 18 is fixedly connected with the top of the housing 1, the inner wall of the bottom of the fixed box 18 is fixedly connected with a spring telescopic rod 19, the top of the spring telescopic rod 19 is fixedly connected with a movable box 20, the outer side of the movable box 20 is slidably connected with the inner wall of the fixed box 18 through a guide rail, the movable box 20 is movably connected with a control rod 21 penetrating through the fixed box 18, the outer surface of the control rod 21 positioned inside the movable box 20 is fixedly connected with a backing plate 22, one side of the backing plate 22 is fixedly connected with an extension spring 23 with the inner wall of the movable box 20, one end of the control rod 21 extending out of the fixed box 18 is fixedly connected with a handle 24, one end of the control rod 21 far away from the fixed box 18 is clamped with a pencil 25 so that the control rod 21 is pulled to slide inside the movable box 20 through the handle 24, the pencil 25 is clamped and clamped through the elastic force of the extension spring 23, meanwhile, the pencil 25 tends to move downwards by utilizing the shortening tendency of the spring telescopic rod 19.

In a preferred embodiment, a first cutting blade 26 is fixedly connected to the bottom of the first driving cutting gear 11, a first driven cutting gear 27 is fixedly connected to one end of the first cutting blade 26 away from the first driving cutting gear 11, a second cutting blade 28 is fixedly connected to the bottom of the second driving cutting gear 12, a second driven cutting gear 29 is fixedly connected to the bottom of the second cutting blade 28, a trapezoidal stop 30 is fixedly connected to one side of the first separating plate 2 and the inner wall of the housing 1, a second internal gear ring 31 is fixedly connected to one end of the trapezoidal stop 30 away from the first separating plate 2 and the housing 1, and the second internal gear ring 31 is in meshing connection with the first driven cutting gear 27 and the second driven cutting gear 29, so that the first driving cutting gear 11 and the second driving cutting gear 12 rotate around the axis of the first internal gear ring 10 to drive the first cutting blade 26, the second cutting blade 28, The first and second driven cutting gears 27 and 29 rotate about the second inner gear ring 31 axis.

In a preferred embodiment, a second transmission shaft 32 penetrating through the second partition plate 3 is rotatably connected inside the second partition plate 3 through a bearing, a second driven helical gear 33 is fixedly sleeved on the upper end surface of the second transmission shaft 32, the second driven helical gear 33 is in meshed connection with the driving helical gear 5, a third driven helical gear 34 is fixedly sleeved on the lower end surface of the second transmission shaft 32, a first rotation shaft 35 is rotatably connected on the inner wall of the housing 1 through a bearing, a fourth driven helical gear 36 and a second driving pulley 37 are fixedly sleeved on the surface of the first rotation shaft 35, the fourth driven helical gear 36 is in meshed connection with the third driven helical gear 34, so that the driving helical gear 5 rotates to drive the second driven helical gear 33 and the second transmission shaft 32 to rotate, and further drive the third driven helical gear 34 to rotate, and the fourth driven helical gear 36 and the first rotation shaft 35 rotate, the second driving pulley 37 is rotated.

In a preferred embodiment, the inner wall of the housing 1 is rotatably connected with a second rotating shaft 38 through a bearing, the surface of the second rotating shaft 38 is fixedly sleeved with a second driven pulley 39 and a cam 40, and a second belt 41 penetrating the inside of the first partition plate 2 is connected between the surface of the second driven pulley 39 and the second driving pulley 37 in a transmission manner, so that the second driven pulley 39 and the second rotating shaft 38 are driven to rotate through the second belt 41, and the cam 40 is driven to rotate.

In a preferred embodiment, symmetrically distributed clamping strips 42 are fixedly connected to the inner wall of the housing 1, an elastic plate 43 is fixedly connected to one side of the clamping strips 42 opposite to each other, the bottom of the elastic plate 43 is movably engaged with the projection of the cam 40, one end of the elastic plate 43 is fixedly connected with the trapezoidal stop 30, a debris collection box 44 is movably mounted at one end of the elastic plate 43 far away from the trapezoidal stop 30, and the bottom of the debris collection box 44 is slidably connected with the inner wall of the bottom of the housing 1 through a guide rail, so that the elastic plate 43 is intermittently jacked up by the cam 40, cutting debris can slide into the debris collection box 44, and the inside of the housing is kept clean.

The utility model discloses the theory of operation: when the pencil sharpener convenient to clean is used, the control rod 21 is pulled by the handle 24 to slide in the movable box 20, the pencil 25 is clamped and clamped by the elastic force of the extension spring 23, meanwhile, the trend that the pencil 25 moves downwards is realized by the shortening trend of the spring telescopic rod 19, the servo motor 4 is started to drive the driving bevel gear 5 to rotate, the first driven bevel gear 7 and the first transmission shaft 6 are driven to rotate, the first driving belt pulley 8 is driven to rotate, the first driven belt pulley 14 is driven to rotate by the first belt 15, the first cutting shaft 13 and the second cutting shaft 16 are driven to rotate around the axis of the first internal gear ring 10, the first driving cutting gear 11 and the second driving cutting gear 12 are driven to rotate around the axis of the first internal gear ring 10, the first cutting knife 26, the second cutting knife 28, the first driven cutting gear 27 and the second driven cutting gear 29 are driven to rotate around the axis of the second internal gear ring 31, the pencil 25 is cut, the driving bevel gear 5 rotates to drive the second driven bevel gear 33 and the second transmission shaft 32 to rotate, and further drives the third driven bevel gear 34 to rotate, so that the fourth driven bevel gear 36 and the first rotation shaft 35 rotate, the second driving belt pulley 37 is driven to rotate, the second driven belt pulley 39 and the second rotation shaft 38 are driven to rotate through the second belt 41, and further the cam 40 is driven to rotate, the elastic plate 43 is intermittently jacked up by the cam 40, so that cutting scraps can slide into the scrap collecting box 44, and the inside of the casing is kept clean.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pencil sharpener convenient for cleaning comprises a shell (1), and is characterized in that: the top of the shell (1) is fixedly provided with a fixing mechanism, the inner wall of the shell (1) is fixedly connected with a first partition plate (2) and a second partition plate (3), the inner wall of the shell (1) is fixedly connected with a servo motor (4), an output shaft of the servo motor (4) is fixedly sleeved with a driving bevel gear (5), the inner wall of the shell (1) is rotatably connected with a first transmission shaft (6) through a bearing, the surface of the first transmission shaft (6) is fixedly sleeved with a first driven bevel gear (7) and a first driving belt pulley (8), one side of the first driven bevel gear (7) is meshed with the upper end of the driving bevel gear (5), one side of the first partition plate (2) and the inner wall of the shell (1) are fixedly connected with symmetrically distributed support rods (9), one end of the support rods (9) far away from the first partition plate (2) and the inner wall of the shell (1) is fixedly connected with a first inner gear ring (10), the inside meshing of first internal gear ring (10) is connected with first initiative cutting gear (11) and second initiative cutting gear (12), the inside of first initiative cutting gear (11) is connected with first cutting axle (13) through the bearing rotation, the first driven pulley (14) of top fixedly connected with of first cutting axle (13), the surface of first driven pulley (14) and the surface transmission of first driving pulley (8) are connected with and wear to locate first inside belt (15) of first division board (2).

2. A pencil sharpener as defined in claim 1 for facilitating cleaning, said pencil sharpener comprising: the inside of the second driving cutting gear (12) is rotatably connected with a second cutting shaft (16) through a bearing, the top of the second cutting shaft (16) is fixedly connected with the bottom of the first driven belt pulley (14), a cutting hole is formed in the first driven belt pulley (14), the top of the first driven belt pulley (14) is rotatably connected with a supporting ring (17) through a bearing, and the top of the supporting ring (17) is fixedly connected with the inner wall of the shell (1).

3. A pencil sharpener as defined in claim 2 which facilitates cleaning, said pencil sharpener further comprising: the fixing mechanism comprises a fixing box (18), the bottom of the fixing box (18) is fixedly connected with the top of the shell (1), the inner wall of the bottom of the fixed box (18) is fixedly connected with a spring telescopic rod (19), the top of the spring telescopic rod (19) is fixedly connected with a movable box (20), the outer side of the movable box (20) is connected with the inner wall of the fixed box (18) in a sliding way through a guide rail, the movable joint of the movable box (20) is connected with a control rod (21) which is arranged in the fixed box (18) in a penetrating way, the outer surface of the control rod (21) positioned in the movable box (20) is fixedly connected with a backing plate (22), one side of the backing plate (22) and the inner wall of the movable box (20) are fixedly connected with an extension spring (23), one end of the control rod (21) extending out of the fixed box (18) is fixedly connected with a handle (24), one end of the control rod (21) far away from the fixed box (18) is clamped with a pencil (25).

4. A pencil sharpener as defined in claim 3 for facilitating cleaning, said pencil sharpener further comprising: the bottom fixedly connected with of first initiative cutting gear (11) cuts sword (26), the first driven cutting gear (27) of one end fixedly connected with that first initiative cutting gear (11) was kept away from in first cutting sword (26), the bottom fixedly connected with second cutting sword (28) of second initiative cutting gear (12), the bottom fixedly connected with second driven cutting gear (29) of second cutting sword (28), the equal fixedly connected with trapezoidal dog (30) of one side of first division board (2) and the inner wall of casing (1), the one end fixedly connected with second internal gear ring (31) of first division board (2) and casing (1) is kept away from in trapezoidal dog (30), second internal gear ring (31) are connected with the meshing of first driven cutting gear (27) and second driven cutting gear (29).

5. A pencil sharpener as defined in claim 4 which facilitates cleaning, said pencil sharpener further comprising: the inside of second division board (3) is connected with second transmission shaft (32) of wearing to locate second division board (3) through the bearing rotation, the fixed cover of the upper end surface of second transmission shaft (32) has connect the driven helical gear (33) of second, the driven helical gear (33) of second is connected with drive helical gear (5) meshing, the fixed cover of the lower extreme surface of second transmission shaft (32) has connect the driven helical gear of third (34), the inner wall of casing (1) is connected with first axis of rotation (35) through the bearing rotation, the fixed surface of first axis of rotation (35) has cup jointed the driven helical gear of fourth (36) and second drive pulley (37), the driven helical gear of fourth (36) is connected with the driven helical gear of third (34) meshing.

6. A pencil sharpener as defined in claim 5 which facilitates cleaning, said pencil sharpener further comprising: the inner wall of casing (1) rotates through the bearing and is connected with second axis of rotation (38), the fixed surface of second axis of rotation (38) has cup jointed second driven pulley (39) and cam (40), the transmission is connected with between the surface of second driven pulley (39) and second drive pulley (37) and wears to locate second belt (41) inside first division board (2).

7. A pencil sharpener as defined in claim 6 which facilitates cleaning, said pencil sharpener further comprising: the inner wall fixedly connected with symmetric distribution's of casing (1) card strip (42), the relative one side fixedly connected with elastic plate (43) of card strip (42), the bottom of elastic plate (43) links up with the arch department activity of cam (40), the one end and the trapezoidal dog (30) fixed connection of elastic plate (43), the one end movable mounting that trapezoidal dog (30) was kept away from in elastic plate (43) has piece collecting box (44), the bottom of piece collecting box (44) is passed through the guide rail and is connected with the bottom inner wall sliding of casing (1).