CN218257476U

CN218257476U - Pencil sharpener cutter frame with adjustable pencil point thickness

Info

Publication number: CN218257476U
Application number: CN202222227972.7U
Authority: CN
Inventors: 叶明上; 林元庆; 叶子桢
Original assignee: Zhejiang Hongxing Stationery Co ltd
Current assignee: Zhejiang Hongxing Stationery Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-10
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a sharpener knife rest of adjustable thickness of nib, including the hobbing cutter, knife rest and rotation main part, the knife rest is provided with near the hobbing cutter and is used for placing the nib to wait to cut the position, it is provided with along the push rod that rotates main part axial arrangement to rotate the main part, the push rod can be along rotating main part axial displacement between knife rest and rotation main part, the push rod is provided with the ejector pad towards the one end of knife rest, the ejector pad is located the end of waiting to cut the position, knife rest and ejector pad sliding connection are provided with the opening that allows the ejector pad business turn over on the knife rest, open position is located the ejector pad and rotates between the main part, ejector pad and knife rest sliding connection. During installation, after the push block is placed into the accommodating groove from the opening, the push block is moved to the direction far away from the rotating main body, so that the convex block is aligned between the two convex rails and slides in, the push block is clamped between the convex rails, and then the push rod can be limited to slide out of the convex rails after being installed.

Description

Pencil sharpener cutter frame with adjustable pencil point thickness

Technical Field

The utility model relates to a stationery field, concretely relates to use knife rest structure on nib adjustable cuts penholder.

Background

The pencil is a writing tool commonly used by people, and in order to meet the recording requirements of different scenes, people often put forward different requirements on the thickness degree of the pencil head. Therefore, as a common pencil sharpening tool, the pencil sharpener needs to sharpen pen points with different thicknesses so as to better meet the requirements of people. In the past, the thickness of the pen point is controlled by sharpening the pen through the pencil sharpener, and the degree that the pen point needs to go deep into the pencil sharpener can only be judged through experience, so that the requirement on a user is high. Some pencil sharpeners that can adjust nib thickness by adjusting nib business turn over position appear among the prior art, like "a pencil sharpener knife rest" that has disclosed in chinese patent literature, its publication is CN209938162U, including knife rest and hobbing cutter and the hole of cutting a pencil, be provided with the adjustment mechanism who is used for adjusting the nib business turn over volume and then adjusts the nib thickness to cutting a hole on the knife rest, adjustment mechanism includes ejector pad and the gliding gag lever post of drive ejector pad and the driver plate of drive gag lever post, thereby it withstands the nib to promote the ejector pad through the driver plate drive gag lever post, thereby the entering volume of control nib, the thickness after the control nib has cut. However, in order to make the push block slide stably and be detached conveniently, the push block and the insert block for installing the push block are specially designed for the push block, and the two ends of the insert block need to be provided with the triangular blocks to improve the sliding stability, so that the tool rest has more installation parts at the position of the push block, and the installation procedures are various.

SUMMERY OF THE UTILITY MODEL

In order to overcome the push block part of the knife rest of the pencil sharpener with adjustable pen point in the prior art more, the problem of complex installation procedure, the utility model provides a need not the knife rest of the pencil sharpener with adjustable pen point of other additional accessories during the installation push block, the structure is simpler when guaranteeing stability.

The utility model discloses a realize through following technical scheme: the utility model provides a pencil sharpener knife rest that nib can be adjusted thickness, including the hobbing cutter, the knife rest of installation hobbing cutter and the rotation main part that links to each other with the knife rest, the knife rest is provided with near the hobbing cutter and is used for placing the position of waiting to cut of nib, it is provided with the push rod of arranging along rotating the main part axial to rotate the main part, the push rod can be along rotating main part axial displacement between knife rest and rotation main part, the push rod is provided with the ejector pad towards the one end of knife rest, the ejector pad is located the end of waiting to cut the position, knife rest and ejector pad sliding connection, be provided with the opening that allows the ejector pad business turn over on the knife rest, the open position is located between ejector pad and the rotation main part, be provided with the holding tank that is used for holding the ejector pad on the knife rest, be provided with the protruding rail of two parallels along ejector pad sliding direction on the holding tank, the ejector pad corresponds between the protruding rail of two.

During installation, after the push block is placed into the accommodating groove from the opening, the push block is moved to the direction far away from the rotating main body, so that the convex block is aligned between the two convex rails and slides in, the push block is clamped between the convex rails, and then the push rod can be limited to slide out of the convex rails after being installed. Because the contact area of the convex rail and the pushing block is enough, the stability of the pushing block during sliding can be ensured. In addition, the opening may also serve as an outlet for pen debris after installation.

Preferably, an L-shaped notch facing the pen point is arranged on one side, close to the hob, of the push block, and the side, opposite to the hob, of the notch is an arc-shaped surface. In the axial direction of the pen point, if the push block is too thin, the sliding stability of the push block is reduced; if the ejector pad is too thick, in order to ensure that the adjusting range of the ejector pad to the pen point is not changed, the length of the tool rest in the axial direction of the pen point needs to be increased, so that the size of the whole pencil sharpener is increased, and materials are wasted. Therefore, the thickness of the upper part of the push block for sliding is kept by the L-shaped notch, and the thickness of the lower part of the push block is reduced to reduce the volume of the tool rest.

Preferably, the extending direction of the convex rail and the protruding block is parallel to the axis direction of the hob, and the surface of the push block, which is in contact with the pen point, is perpendicular to the axis of the pen point, so that the force application direction of the push block is always perpendicular to the pen point when the pen point is pushed, and the risk of breakage of the pen point is reduced.

Preferably, the opening is located the direction that the hobbing cutter was kept away from to the holding tank, and the one end of protruding rail is located outside the projection of opening in the holding tank, avoids the ejector pad to receive the hindrance of protruding rail when the installation.

Preferably, one side of the accommodating groove, which is far away from the hob, is not closed, and an observation port for observing the position of the push block is formed, so that a user can observe the conditions of the push block and the pen point in time, and the observation port is communicated with the opening and is used as an outlet of pen scraps together.

Preferably, the two side edges of the observation port are provided with scale marks, so that a user can conveniently mark and record the pushing-in position of the pen point and the thickness of the sharpened pen point.

Preferably, the protruding rail located on the side closer to the hob is provided with a step portion that blocks the sliding of the pusher on the side away from the opening. The space above the step layer can be used for manually pulling back the push block, and materials are saved.

Compared with the prior art, the utility model has the advantages that:

the push block is directly installed between the convex rails from the opening, so that the push block is stable in sliding and convenient to install without other accessories; the push rod can be limited to slide out of the convex rail after being installed; the opening may also serve as an outlet for pen debris after installation.

Drawings

Fig. 1 is a general perspective view of a first embodiment of the present invention;

fig. 2 is a schematic top view of a first embodiment of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view of a tool holder according to a first embodiment of the present invention;

fig. 5 is a schematic perspective view of a push block according to a first embodiment of the present invention.

In the figure: hob 1, tool rest 2, to-be-cut location 21, receiving groove 22, convex rail 221, opening 222, viewing port 223, step layer 224, rotating body 3, push rod 31, push block 4, projection 41, and notch 42.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.

First embodiment, as shown in fig. 1-5, a sharpener holder with adjustable thickness of the pen point comprises:

the hob 1 is used for cutting the pen point;

the tool rest 2 is used for mounting the hob 1 and is provided with a to-be-cut position 21 for placing a pen point, as shown in fig. 4, an accommodating groove 22 for accommodating the push block 4 is formed in the tool rest, two parallel convex rails 221 are arranged on the accommodating groove 22 along the sliding direction of the push block 4, and an opening 222 is formed in the direction, away from the hob 1, of the accommodating groove 22;

the rotary main body 3 is connected with the tool rest 2 and used for driving the hob 1, a push rod 31 arranged along the axial direction of the rotary main body 3 is arranged, and the push rod 31 can move between the tool rest 2 and the rotary main body 3 along the axial direction of the rotary main body 3;

the pushing block 4, as shown in fig. 5, is located at one end of the pushing rod 31 facing the tool holder 2, and is located at the end of the to-be-cut position 21, an opening 222 allowing the pushing block 4 to enter and exit is provided on the tool holder 2, the opening 222 is located between the pushing block 4 and the rotating body 3, and the pushing block 4 is correspondingly provided with a protrusion 41 between two convex rails 221. One end of the convex rail 221 is located outside the projection of the opening 222 in the receiving groove 22, so as to avoid the push block 4 from being obstructed by the convex rail 221 during installation.

Furthermore, an L-shaped notch 42 facing the pen point is arranged on one side of the push block 4 close to the hob 1, and as shown in fig. 5, one side of the notch 42 facing the hob 1 is a circular arc surface. In the axial direction of the pen point, if the push block 4 is too thin, the stability of the sliding of the push block 4 is reduced; if the push block 4 is too thick, in order to ensure that the adjustment range of the push block 4 to the pen point is not changed, the length of the tool rest 2 in the axial direction of the pen point needs to be increased, so that the size of the whole pencil sharpener is increased, and materials are wasted. Therefore, the L-shaped notch 42 keeps the thickness of the upper part of the push block 4 for sliding, and the thickness of the lower part of the push block 4 is reduced to reduce the volume of the tool rest 2.

Furthermore, the extending direction of the convex rail 221 and the protruding block 41 is parallel to the axial direction of the hob 1, and the surface of the push block 4 contacting with the pen point is perpendicular to the axial line of the pen point, so that the force application direction of the push block 4 is always perpendicular to the pen point when the pen point is pushed, and the risk of breakage of the pen point is reduced.

In addition, the side of the accommodating groove 22 far away from the hob 1 is not closed and forms an observation port 223 for observing the position of the push block 4, so that a user can conveniently observe the condition of the push block 4 and a pen point in time, and the observation port 223 is communicated with the opening 222 and is used as an outlet of pen scraps together. The edges of the two sides of the observation port 223 are provided with scale marks, so that a user can conveniently mark and record the pushing-in position of the pen point and the thickness degree of the pen point after being cut.

Further, the convex rail 221 located on the side close to the hob 1 is provided with a step layer 224 on the side far from the opening 222 for preventing the push block 4 from sliding. The space above the step 224 can be used for manually pulling back the push block 4 and saves material.

When the push block 4 is installed, after the push block 4 is placed into the receiving groove 22 from the opening 222, the push block 4 is moved in a direction away from the rotating body 3 so that the protrusion 41 is aligned with and slides into the space between the two convex rails 221, and then the push block 4 is clamped between the convex rails 221, and the push block 4 can be limited from sliding out of the convex rails 221 after the push rod is installed.

The beneficial effects of this embodiment include: only one push block 4 is arranged, so that the structure is simple; because the contact area of the convex rail 221 and the push block 4 is enough, the stability of the push block 4 during sliding can be ensured; after installation, opening 222 and viewing port 223 may serve as outlets for the shavings.

Claims

1. The utility model provides a pencil sharpener cutter saddle of adjustable thickness of nib, includes the hob, the cutter saddle of installation hob and the rotation main part that links to each other with the cutter saddle, the cutter saddle is provided with near the hob and is used for placing the position of waiting to cut of nib, it is provided with along the push rod that rotates the main part axial arrangement to rotate the main part, the push rod can be between cutter saddle and rotation main part along rotating main part axial displacement, its characterized in that: the push rod is provided with the ejector pad towards the one end of knife rest, the ejector pad is located the end of waiting to cut the position, knife rest and ejector pad sliding connection, be provided with the opening that allows the ejector pad business turn over on the knife rest, the open position is located between ejector pad and the rotation main part, be provided with the holding tank that is used for holding the ejector pad on the knife rest, be provided with two parallel protruding rails along ejector pad slip direction on the holding tank, the ejector pad is two protruding rail between correspond be provided with the lug.

2. The sharpener blade holder of claim 1 where the thickness of the nib is adjustable, said sharpener blade holder comprising: an L-shaped notch facing the pen point is formed in one side, close to the hob, of the push block, and the side, opposite to the hob, of the notch is an arc-shaped surface.

3. The sharpener blade holder of the pen tip adjustable thickness of claim 1 or 2, wherein: the extending direction of the convex rail and the convex block is parallel to the axis direction of the hob, and the surface of the push block contacted with the pen point is vertical to the axis of the pen point.

4. The sharpener blade holder of the pen tip adjustable thickness of claim 1 or 2, wherein: the opening is located the direction that the hobbing cutter was kept away from to the holding tank, the one end of protruding rail is located the opening outside the projection in the holding tank.

5. The sharpener blade holder of claim 1 or 2 where the thickness of the nib is adjustable, wherein: one side of the accommodating groove, which is far away from the hob, is not closed and forms an observation opening for observing the position of the push block.

6. The sharpener blade holder of claim 5 where the thickness of the nib is adjustable, said sharpener blade holder comprising: and scale marks are arranged on the edges of the two sides of the observation port.

7. The sharpener blade holder of the pen tip adjustable thickness of claim 1 or 2, wherein: and a step layer for blocking the sliding of the push block is arranged on one side, away from the opening, of the convex rail positioned on one side close to the hob.