CN210821571U

CN210821571U - Press transmission type mechanical pencil sharpener device

Info

Publication number: CN210821571U
Application number: CN201921540857.7U
Authority: CN
Inventors: 朱上上; 徐之殿奎; 董烨楠; 苏新宇
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-23
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a press driven machinery pencil sharpener device belongs to mechanical transmission technical field, organize the structure, change a tool bit, passageway, rotation axis and a bits save area including round hole, closing cap, shell, mechanical gear drive. The utility model discloses a pencil sharpener, including the shell, the closing cap passes through the screw fixation in the upper end of shell, the central authorities of closing cap are equipped with the hole, the round hole sets up in the hole below, round hole, mechanical gear drive group structure, pencil sharpener head and passageway connect gradually, the lower extreme of passageway is fixed in inside the rotation axis, rotation axis fixed connection is in the below of shell, the rotation axis passes through threaded connection with a bits storage area. The device has the function of realizing pencil sharpening by reciprocating up and down, and has the characteristics of simple and easy operation, simple structure, easy operation and convenient use.

Description

Press transmission type mechanical pencil sharpener device

Technical Field

The utility model belongs to the technical field of mechanical transmission, specifically relate to a press drive formula machinery pencil sharpener device.

Background

The pencil sharpener is a daily necessity of most of art industry workers, designers, drawing workers and middle and primary school students, and a convenient and durable pencil sharpener is indispensable. At present, the existing pencil sharpener is complex in operation, dangerous, easy to dirty, difficult to collect pencil scraps, time-consuming, labor-consuming and difficult to use, and the working efficiency is seriously influenced; some rotating pens are long in use time, need to be replaced frequently, are poor in durability and need to be used in specific environments. Some pencil sharpeners are hard to shake by hand and easy to clamp by hand, and can work only by being fixed continuously when sharpening a pencil, so that the pencil sharpeners are large in size and difficult to carry; in addition, the electric pencil sharpener has the advantages of high power consumption, power connection or battery installation, incapability of being used during charging, long waiting time, inconvenient power connection in some use environments, and poor flexibility if the battery is not electrified and inconvenient to replace.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a press transmission type mechanical pencil sharpener device, which adopts the brand-new structural design, accords with the ergonomics, has the function of pressing and cutting lead in an up-and-down reciprocating manner, and has the characteristics of simple operation, easy operation and convenient use.

In order to realize the purpose, the utility model discloses a technical scheme is: a press transmission type mechanical pencil sharpener device comprises a circular hole, a sealing cover, a shell, a mechanical gear transmission set structure, a pencil sharpener head, a channel, a rotating shaft and a pencil scrap storage area. The utility model discloses a pencil sharpener, including the shell, the closing cap passes through the screw fixation in the upper end of shell, the central authorities of closing cap are equipped with the hole, the round hole sets up in the hole below, round hole, mechanical gear drive group structure, pencil sharpener head and passageway connect gradually, the lower extreme of passageway is fixed in inside the rotation axis, rotation axis fixed connection is in the below of shell, the rotation axis passes through threaded connection with a bits storage area. The mechanical gear transmission set structure comprises a spring structure, a gear rotating shaft, a first transmission gear, a second transmission gear, a first pulley, a second pulley, a first sliding shaft, a second sliding shaft, a first rotary sliding groove and a second rotary sliding groove. The spring structure sets up in the below of round hole, gear shaft passes through threaded connection in the below of spring structure, first drive gear and first pulley are nested respectively and set up on first sliding shaft, second drive gear and second pulley are nested respectively and set up on the second sliding shaft, the both sides of shell are equipped with first rotatory sliding tray and second rotatory sliding tray respectively, first sliding shaft is fixed in the first rotatory sliding tray, the second sliding shaft is fixed in the second rotatory sliding tray.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses owing to adopted brand-new structural design, put into the round hole with the pencil, through the relation of connection of mechanical gear drive group mechanism, the pencil passes the spring structure who has reset function, presses down toward the below to drive overall structure's operation repeatedly. The pencil is pressed down the in-process and can make the alternate rotation of first drive gear and second drive gear to the operation of drive gear pivot, makes the pencil sharpener head begin rotatory work, accomplishes the work of sharpening the pencil, and the stroke bits falls to the stroke bits storage area through the passageway, in order to realize the function of whole pencil. The connection relation of the mechanical gear transmission group mechanism has the advantages of being capable of achieving the function of sharpening the pencil by vertically reciprocating and pressing, simple and easy to operate, simple in structure, easy to operate and convenient to use. Reduce a series of loaded down with trivial details operations in the use, the device conveniently carries, and can hold more pencil bits, is difficult for dirty hand, does not need to clear up often, need not power or battery can work energy saving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial sectional view of the present invention;

fig. 3 is a schematic structural diagram of a detailed portion of the present invention.

Detailed Description

The structure and operation of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, for the utility model relates to a press transmission type mechanical pencil sharpener device, including round hole 1, closing cap 2, shell 3, mechanical gear drive group structure, pencil sharpener 14, passageway 15, rotation axis 16 and a pencil bits storage area 17. The utility model discloses a pencil sharpener, including shell 3, closing cap 2, mechanical gear transmission group structure, commentaries on classics tool bit 14, passageway 15, rotation axis 16 fixed connection is in the below of shell 3, rotation axis 16 passes through threaded connection with a bits storage area 17, the central authorities of closing cap 2 are equipped with the hole, round hole 1 sets up in the hole below, round hole 1, mechanical gear transmission group structure, commentaries on classics tool bit 14 and passageway 15 connect gradually, the lower extreme of passageway 15 is fixed in inside rotation axis 16, rotation axis 16 passes through threaded connection with. The channel 15 allows the waste produced by the operation of the upper turret head 14 to be conveyed to the bottom storage area 17. The rotating shaft 16 may be rotated to separate the bottom storage region 17 from the main body.

The mechanical gear transmission set structure comprises a spring structure 4, a gear rotating shaft 5, a first transmission gear 6, a second transmission gear 7, a first pulley 8, a second pulley 9, a first sliding shaft 10, a second sliding shaft 11, a first rotary sliding groove 12 and a second rotary sliding groove 13. The spring structure 4 is arranged below the circular hole 1, the gear rotating shaft 5 is connected below the spring structure 4 through threads, when a pencil enters the mechanical gear transmission group structure, the spring structure 4 is pressed downwards to the bottom, at this time, the pencil is rebounded to the top through the rebound force, so that the pencil is repeatedly cut, the smooth operation of the pencil cutting action is achieved, the spring structure 4 can be disassembled, the first transmission gear 6 and the first pulley 8 are respectively nested on the first sliding shaft 10, the second transmission gear 7 and the second pulley 9 are respectively nested on the second sliding shaft 11, the gear rotating shaft 5 can rotate along with the up-and-down rotation of the first transmission gear 6 and the second transmission gear 7, the rotating function is realized, the first pulley 8 and the second pulley 10 as well as the first sliding shaft 10 and the second sliding shaft 11, will rotate along with the up-and-down rotation of the first transmission gear 6 and the second transmission gear 7. A first rotary sliding groove 12 and a second rotary sliding groove 13 are respectively arranged on two sides of the shell 3. The first sliding shaft 10 is fixed in the first rotary sliding groove 12, and the second sliding shaft 11 is fixed in the second rotary sliding groove 13, so as to assist the mechanical gear transmission set structure to realize the rotation function.

The pen rotating tool bit 14 realizes the function of pen rotating through the rotation of the upper mechanical gear transmission set structure.

The utility model discloses a working process does: when the pencil sharpener works, a pencil is inserted into the pencil sharpener from the middle round hole 1 of the upper sealing cover 2 in the vertical direction, the pencil is pressed downwards, the middle gear rotating shaft 5 rotates along with the vertical rotation of the first transmission gear 6 and the second transmission gear 7 until the lowest end is loosened, and the rotating function is realized; the left side and the right side are respectively provided with a rotary left sliding chute 12 and a rotary right sliding chute 13 so as to assist in realizing the rotation function of the mechanical gear transmission set structure.

The pencil will rebound upwards through the internal spring structure 4, thus making a second press; the operation is repeated several times by rotating the pencil sharpener head 14 to achieve the desired pencil sharpening degree, and the operation is completed. At this time, the pencil chips can fall to the bottom chip storage region 17 through the connecting channel 15; and then the rotating shaft 16 is slightly rotated, so that the bottom pen chip storage area 17 can be taken down to pour out the internal waste chips, and the complete pen rotating process is realized.

Claims

1. The utility model provides a press driven machinery pencil sharpener device, its characterized in that, include round hole (1), closing cap (2), shell (3), mechanical gear drive group structure, change a tool bit (14), passageway (15), rotation axis (16) and a bits storage area (17), closing cap (2) are through the upper end of screw fixation in shell (3), the central authorities of closing cap (2) are equipped with the hole, round hole (1) set up in the hole below, round hole (1), mechanical gear drive group structure, change a tool bit (14) and passageway (15) and connect gradually, the lower extreme of passageway (15) is fixed in inside rotation axis (16), rotation axis (16) fixed connection is in the below of shell (3), rotation axis (16) and a bits storage area (17) pass through threaded connection, mechanical gear drive group structure includes spring structure (4), The spring structure comprises a gear rotating shaft (5), a first transmission gear (6), a second transmission gear (7), a first pulley (8), a second pulley (9), a first sliding shaft (10), a second sliding shaft (11), a first rotary sliding groove (12) and a second rotary sliding groove (13), wherein the spring structure (4) is arranged below a round hole (1), the gear rotating shaft (5) is connected below the spring structure (4) through threads, the first transmission gear (6) and the first pulley (8) are respectively nested on the first sliding shaft (10), the second transmission gear (7) and the second pulley (9) are respectively nested on the second sliding shaft (11), a first rotary sliding groove (12) and a second rotary sliding groove (13) are respectively arranged on two sides of a shell (3), the first sliding shaft (10) is fixed in the first rotary sliding groove (12), the second sliding shaft (11) is fixed in the second rotary sliding groove (13).