CN219096374U

CN219096374U - Adjustable pencil sharpener hob core

Info

Publication number: CN219096374U
Application number: CN202223446663.5U
Authority: CN
Inventors: 陈仲恒; 梁继武; 李长华
Original assignee: Guangzhou Eagle Technology Development Co ltd
Current assignee: Guangzhou Eagle Technology Development Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-30
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses an adjustable pencil sharpener hob core, which belongs to the technical field of pencil sharpener hob and comprises an inner barrel, wherein the outer surface of the inner barrel is rotationally connected with an outer barrel, the outer surface of the outer barrel is fixedly connected with an arc-shaped blade, the inner side of the outer barrel is slidingly connected with a rectangular barrel, one side surface of the rectangular barrel is fixedly connected with a gear, one side surface of the gear is slidingly connected with the outer barrel, the outer surface of the rectangular barrel is slidingly connected with a limiting block, one side surface of the limiting block is fixedly connected with the inner barrel, the rectangular barrel rotates through the gear, the outer barrel drives the outer barrel to rotate, the arc-shaped blade is further driven to rotate by the outer barrel, the arc-shaped blade cuts into the inner side of a pencil through a protruding part, and the resistance of the blade entering the inner side of the pencil is reduced, so that the technical problem that the conventional adjustable pencil sharpener adopts a straight blade to cut, the blade cuts into the inner side of the pencil, and the blade is hard to cut the pencil surface.

Description

Adjustable pencil sharpener hob core

Technical Field

The utility model belongs to the technical field of pencil sharpener hobs, and particularly relates to an adjustable pencil sharpener hob core.

Background

The pencil sharpener is generally referred to as a pencil sharpener. The pencil sharpener is a pencil sharpening tool, is a necessary stationery for students, and can be generally adjusted according to pencils of different sizes by using an adjustable pencil sharpener at present, and the pencil sharpener adopts a knife type, generally a long-strip type knife blade and a hob type knife blade.

The existing adjustable pencil sharpener hob mainly realizes the autorotation of the hob through the meshing of gears and the internal gears, then the hob is obliquely installed to drive the hob blade to partially cut, the blade adopts a straight blade to cut, the pencil surface is mainly cut through the oblique installation of a screw and the hob, and the blade cuts the pencil surface in a screw and scraping mode when the blade contacts the pencil surface, so that the blade cuts the pencil surface more laboriously, the blade is not beneficial to cutting into the inner side of the pencil, and therefore, in order to solve the problems, the adjustable pencil sharpener hob core is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable pencil sharpener hob core, which solves the technical problems that the prior adjustable pencil sharpener adopts a straight blade to cut, is not beneficial to cutting the inner side of a pencil by a blade, and causes the blade to difficultly cut the surface of the pencil.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an adjustable pencil sharpener hobbing cutter core, includes the inner tube, the surface of inner tube rotates and is connected with the urceolus, the surface fixedly connected with arc sword of urceolus, the inboard sliding connection of urceolus has a rectangle section of thick bamboo, a side fixedly connected with gear of rectangle section of thick bamboo, a side and the urceolus sliding connection of gear, the surface sliding connection of rectangle section of thick bamboo has the restriction piece, a side and the inner tube fixed connection of restriction piece.

As the preferable technical scheme of the utility model, the inner wall of the outer barrel is provided with a clamping groove, the outer surface of the outer barrel is fixedly connected with a polishing wheel, and the inner wall of the clamping groove is connected with a clamping strip in a sliding manner.

As a preferable technical scheme of the utility model, a spring is arranged on one side of the polishing wheel, one side surface of the clamping strip is fixedly connected with the spring, a positioning groove is formed on one side surface of the rectangular cylinder, and the inner wall of the positioning groove is fixedly connected with one end of the spring.

As the preferable technical scheme of the utility model, the outer surface of the clamping strip is in sliding connection with the inner wall of the positioning groove, and one side surface of the clamping strip is in sliding connection with a buffer cushion.

As a preferable technical scheme of the utility model, one side surface of the buffer pad is fixedly connected with a fixing column, and one side surface of the fixing column is fixedly connected with a positioning groove.

As a preferable technical scheme of the utility model, one side surface in the clamping groove is an inclined surface, the other side in the clamping groove is a stepped surface, and one side of the inner wall of the clamping groove is fixedly connected with a metal sheet.

The utility model provides an adjustable pencil sharpener hob core, which has the following beneficial effects:

1. according to the adjustable pencil sharpener, the gear rectangular cylinder rotates, the rectangular cylinder drives the outer cylinder to rotate, the outer cylinder further drives the arc-shaped blade to rotate, the arc-shaped blade cuts into the inner side of the pencil through the protruding part, and the resistance of the blade entering into the pencil is reduced, so that the technical problem that the blade is hard to cut the surface of the pencil due to the fact that the conventional adjustable pencil sharpener adopts the straight blade for cutting and is not beneficial to cutting into the inner side of the pencil is solved.

2. According to the utility model, the outer cylinder is conveniently driven to rotate through the stepped surface of the clamping groove, and the metal sheet is arranged on the inner side of the clamping groove, so that when the rotation directions of the gears are opposite, the clamping strip moves in the inclined surface of the clamping groove, collides with the metal sheet when moving into the next clamping groove, and sounds to prompt a user to change the rotation directions.

Drawings

FIG. 1 is a schematic three-dimensional view of an adjustable pencil sharpener hob core according to the present utility model;

FIG. 2 is a cross-sectional view of a side view of an outer barrel of an adjustable pencil sharpener hob core of the present utility model;

FIG. 3 is a cross-sectional view of the top view of the outer barrel of the adjustable pencil sharpener hob core of the present utility model;

fig. 4 is a schematic view of the structure of the adjustable pencil sharpener cutter core of fig. 2 at a.

In the figure: 1. an inner cylinder; 2. an outer cylinder; 3. an arc-shaped blade; 4. a limiting block; 5. a rectangular cylinder; 6. a gear; 7. grinding wheel; 8. a clamping groove; 9. a metal sheet; 10. clamping strips; 11. fixing the column; 12. a cushion pad; 13. a positioning groove; 14. and (3) a spring.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides an adjustable pencil sharpener hobbing cutter core, includes inner tube 1, and the surface rotation of inner tube 1 is connected with urceolus 2, and the surface fixedly connected with arc sword 3 of urceolus 2, the inboard sliding connection of urceolus 2 has rectangular cylinder 5, and a side fixedly connected with gear 6 of rectangular cylinder 5, a side and the urceolus 2 sliding connection of gear 6, the surface sliding connection of rectangular cylinder 5 has restriction piece 4, a side and the inner tube 1 fixed connection of restriction piece 4.

Wherein, draw-in groove 8 has been seted up to the inner wall of urceolus 2, and the surface fixedly connected with of urceolus 2 polishes round 7, and the inner wall sliding connection of draw-in groove 8 has draw-in bar 10, polishes round 7 and is located the one side that is close to gear 6, plays the effect of polishing the nib.

Wherein, one side of the grinding wheel 7 is provided with a spring 14, one side of the clamping strip 10 is fixedly connected with the spring 14, one side of the rectangular cylinder 5 is provided with a positioning groove 13, the inner wall of the positioning groove 13 is fixedly connected with one end of the spring 14, and the clamping strip 10 is pushed to move through the spring 14, so that the clamping strip 10 moves away from the bottom of the inner wall of the positioning groove 13.

The outer surface of the clamping strip 10 is slidably connected with the inner wall of the positioning groove 13, a side surface of the clamping strip 10 is slidably connected with the buffer pad 12, six clamping strips 10 are provided, and an angle between two adjacent clamping strips 10 is sixty degrees.

Wherein, a side fixedly connected with fixed column 11 of blotter 12, a side and constant head tank 13 fixed connection of fixed column 11, the inside fixed column 11 quantity of constant head tank 13 has two, and about the middle part symmetric distribution of card strip 10, plays the effect of restriction card strip 10 motion, cushions the collision to fixed column 11 to card strip 10 through blotter 12 simultaneously.

Wherein, a side of draw-in groove 8 inside is the inclined plane, and the opposite side of draw-in groove 8 inside is the step face, and one side fixedly connected with sheetmetal 9 of draw-in groove 8 inner wall, sheetmetal 9 are located step face part, collide sheetmetal 9 through card strip 10, sound warning.

Specific use and action of the embodiment:

when the pencil sharpener is used, firstly, the hob is arranged on the hob holder through the inner cylinder 1 and the gear 6, then, the hob holder is arranged in the pencil sharpener, and then, when the pencil sharpener rotates, the hob holder drives the hob to revolve, meanwhile, the gear 6 rotates through the inner teeth, the gear 6 drives the rectangular cylinder 5 to rotate, the rectangular cylinder 5 drives the clamping strip 10 to rotate, the clamping strip 10 drives the outer cylinder 2 to rotate through the stepped surface part of the clamping groove 8, the outer cylinder 2 drives the arc-shaped blade 3 to rotate, the arc-shaped blade 3 cuts into the inner side of a pencil, and the whole surface of the pencil is cut under the cooperation of revolution.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable pencil sharpener hob core, characterized in that: including inner tube (1), the surface rotation of inner tube (1) is connected with urceolus (2), the surface fixedly connected with arc sword (3) of urceolus (2), the inboard sliding connection of urceolus (2) has rectangle section of thick bamboo (5), a side fixedly connected with gear (6) of rectangle section of thick bamboo (5), a side and urceolus (2) sliding connection of gear (6), the surface sliding connection of rectangle section of thick bamboo (5) limit piece (4), a side and inner tube (1) fixed connection of limit piece (4).

2. An adjustable pencil sharpener hob core as in claim 1, wherein: the inner wall of the outer barrel (2) is provided with a clamping groove (8), the outer surface of the outer barrel (2) is fixedly connected with a polishing wheel (7), and the inner wall of the clamping groove (8) is slidably connected with a clamping strip (10).

3. An adjustable pencil sharpener hob core as in claim 2, wherein: one side of the polishing wheel (7) is provided with a spring (14), one side of the clamping strip (10) is fixedly connected with the spring (14), one side of the rectangular cylinder (5) is provided with a positioning groove (13), and the inner wall of the positioning groove (13) is fixedly connected with one end of the spring (14).

4. An adjustable pencil sharpener hob core according to claim 3, wherein: the outer surface of the clamping strip (10) is in sliding connection with the inner wall of the positioning groove (13), and one side surface of the clamping strip (10) is in sliding connection with a buffer pad (12).

5. An adjustable pencil sharpener hob core as in claim 4, wherein: a side surface of the buffer cushion (12) is fixedly connected with a fixing column (11), and a side surface of the fixing column (11) is fixedly connected with a positioning groove (13).

6. An adjustable pencil sharpener hob core as in claim 2, wherein: one side surface inside the clamping groove (8) is an inclined surface, the other side inside the clamping groove (8) is a step surface, and one side of the inner wall of the clamping groove (8) is fixedly connected with a metal sheet (9).