CN212472920U - Pencil sharpener - Google Patents

Abstract

The utility model discloses a pencil sharpener, including casing and the mechanism of cutting a pencil, the mechanism of cutting a pencil is located the inner chamber upper portion position of casing, and the casing bottom is equipped with a movable bottom, and the activity bottom forms a release mouth after opening from the casing bottom, can follow the release mouth through the produced pencil bits of the mechanism of cutting a pencil and down drop to the pencil bits of being convenient for are cleared up, and can cut a pencil under the appropriate circumstances and clear away a pencil bits on one side, improve the convenience of cutting a pencil.

Description

Pencil sharpener

Technical Field

The utility model relates to a stationery and sports goods especially relates to a penknife for smear metal pencil.

Background

The pencil sharpener can safely and quickly sharpen pencils, and becomes a necessary tool for students to write and study.

The authorized bulletin number is CN 208730669U;

a pencil sharpener according to the publication No. CN209775975U and a pencil sharpener according to the publication No. CN 209775976U.

The common pencil sharpener comprises a shell, a pencil sharpening mechanism is arranged in an upper inner cavity of the shell, the pencil sharpening mechanism comprises a knife rest and a hob arranged on the knife rest, a pencil inserting hole for inserting a pencil is formed in the front of the shell, a rocking handle capable of driving the knife rest to rotate is arranged on the back of the shell, a drawer-type chip collecting box is arranged on the lower portion of the shell, and pencil chips produced by cutting the pencil by the pencil sharpening mechanism fall into the chip collecting box.

When a pencil is cut by the existing pencil sharpener, the bottom of the pencil sharpener is arranged on a desktop, and a user presses the pencil sharpener with one hand; while the other hand rocks the crank. After the scraps are cut, the scraps collecting box is drawn out of the shell, the pencil scraps are poured out, and the scraps collecting box is inserted into the shell again.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a pencil sharpener is provided, adopt and set up movable bottom in the bottom of pencil sharpener casing, open movable bottom with the inside stroke bits of release pencil sharpener.

The utility model provides a technical scheme that above-mentioned technical problem provided does: the pencil sharpener comprises a shell and a pencil sharpening mechanism, wherein the pencil sharpening mechanism is located at the upper part of an inner cavity of the shell, a movable bottom cover is arranged at the bottom of the shell, a release port is formed after the movable bottom cover is opened from the bottom of the shell, and pencil scraps generated by sharpening a pencil by the pencil sharpening mechanism can fall down from the release port.

The utility model discloses a further optimized technical scheme does: the movable bottom cover is arranged on the bottom of the shell in a flip manner or a drawing manner.

The utility model discloses a further optimized technical scheme does: the movable bottom cover seals the release port, and pencil scraps produced by cutting a pencil by the pencil sharpening mechanism fall on the movable bottom cover.

The utility model discloses a further optimized technical scheme does: the movable bottom cover is positioned right below the pencil sharpening mechanism.

The utility model discloses a further optimized technical scheme does: a chip collecting area capable of containing pen chips is arranged between the pencil sharpening mechanism and the movable bottom cover.

The utility model discloses a further optimized technical scheme does: one side of the movable bottom cover of the flip cover is in shaft connection with the bottom of the shell, and the other side of the movable bottom cover can be turned downwards to open the movable bottom cover.

The utility model discloses a further optimized technical scheme does: a buckle structure and an operating switch capable of opening or closing the buckle structure are arranged between the other side of the movable bottom cover and the bottom of the shell.

The utility model discloses a further optimized technical scheme does: the pencil sharpening mechanism comprises a tool rest and a hob cutter arranged on the tool rest.

The utility model discloses a further optimized technical scheme does: the outer surface of the upper part of the shell is provided with a raised handheld part.

The utility model discloses a further optimized technical scheme does: the hand-held part comprises a flat part protruding from the shell and a limiting part at the tail end of the flat part.

Compared with the prior art, the utility model has the advantages that inner chamber upper portion position including the casing is equipped with the mechanism of cutting a pencil, and the casing bottom is equipped with a movable bottom, and the activity bottom forms a release mouth after opening from the casing bottom, can follow through the produced stroke bits of the mechanism of cutting a pencil the release mouth down drop to the stroke bits clearance of being convenient for, and can cut a pencil under appropriate circumstances and clear away stroke bits on one side, improve the convenience of cutting a pencil.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

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

FIG. 2 is a second perspective view of a preferred embodiment of the present invention;

fig. 3 is a perspective view three of a preferred embodiment of the present invention;

fig. 4 is a cross-sectional view of a preferred embodiment of the present invention;

fig. 5 is an exploded view of a preferred embodiment of the present invention;

FIG. 6 is a schematic view of a pen feeding assembly according to a preferred embodiment of the present invention;

fig. 7 is a schematic view of a pencil sharpening mechanism according to a preferred embodiment of the present invention.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1 to 4, the pencil sharpener includes a housing 100 having a pencil sharpening mechanism 400 therein, a handle assembly 200 mounted on the back of the housing 100, and a handle 300 protruding from the surface of the housing 100.

As shown in fig. 1, in the present embodiment, the handheld portion 300 is a member for vertically clamping fingers, and the handheld portion 300 includes a flat portion 301 protruding from the housing 100 and a limiting portion 302 at the end of the flat portion 301, wherein the flat portion 301 is used for being clamped by fingers of a human body. The limiting portion 302 is used for limiting the hand from sliding out and separating from the flat portion 301, so that a user can easily hold the pencil sharpener with one hand and shake the crank assembly 200 with the other hand to perform pencil sharpening operation.

As shown in fig. 1, 2 and 4, the handheld portion 300 is preferably disposed on the front surface of the peripheral side of the housing 100, the handheld portion 300 is provided with a pen insertion hole 303, and the pen insertion hole 303 is communicated with the pen inlet hole 104 inside the housing 100 and is aligned with the pen inlet hole.

Further preferably, the pen insertion hole 303 is disposed on one side of the flat portion 301, and the width of the flat portion 301 gradually decreases from the side of the pen insertion hole 303 to the other side. When the finger clip is used, the flat part 301 is clamped between two adjacent fingers of a user, one end of the flat part 301 with small width is positioned at the root of the fingers, and the fingers are spread in a V shape along with the gradual increase of the width of the flat part 301. As can be seen, the flat portion 301 is ergonomically configured to allow a user to comfortably and easily hold the sharpener.

As shown in fig. 1, the restricting portion 302 is a plate-like body extending from the side of the flat body where the pen insertion hole 303 is provided toward a direction away from the flat portion 301. The inner side of the limiting portion 302 is spaced from the outer wall of the pencil sharpener housing 100 by a certain distance, so that the fingers of the user can be clamped into the limiting portion 302 to prevent the hand from slipping out of the flat portion 301.

Preferably, the cross-sectional area of the plate-like body is larger than the cross-sectional area of the flat portion 301. The outer surface of the plate-like body is flush with the outer surface of the flat portion 301, so that the appearance of the pencil sharpener is beautiful and tidy.

Preferably, in the present embodiment, the hand-held portion 300 is integrally injection-molded with the front case of the housing 100. Of course, it should be understood that the handle 300 may be assembled and fixed to the housing 100 as a separate component.

1-2, the hand-held portion is rotatably connected to the surface of the housing, and the hand-held portion can rotate 360 degrees around the pen insertion hole, so that the user can hold the pencil sharpener at various angles, and the most comfortable holding posture can be kept, and in FIG. 1, the user can hold the hand-held portion vertically; in fig. 2, the user can hold the hand-held portion laterally.

As shown in FIG. 2, the pencil sharpening mechanism 400 is located at an upper portion of the inner cavity of the housing 100, and a pencil feeding assembly 500 for feeding a pencil inwards when the pencil sharpening mechanism 400 rotates is connected to a front side of the pencil sharpening mechanism 400.

The pencil feeding assembly 500 is adjacent to the pencil insertion hole 303 and located in the front side of the inner cavity of the casing 100, and the pencil sharpening assembly is arranged behind the pencil feeding assembly 500. The pencil feeding assembly 500 and the pencil sharpening assembly are connected with each other to form pencil feeding channels distributed along the axis, the pencil feeding channels are coaxially butted with the pencil inserting holes 303, and the axis direction is the horizontal direction. The rocking handle assembly 200 is connected with the pencil sharpening mechanism 400 and extends out of the casing 100, and when the rocking handle assembly 200 is rotated, the pencil sharpening mechanism 400 can be driven to operate so as to cut a pencil inserted into the pencil sharpener.

As shown in FIG. 6, the pen assembly 500 includes a bracket 501, a dial plate 502, a first wheel assembly 503, and a second wheel assembly 504. The first wheel assembly 503 and the second wheel assembly 504 are located at the front side of the dial plate 502 and are distributed in parallel up and down. The first wheel assembly 503 comprises a first ratchet wheel 1 driven by the dial 502 and a first pen clamping wheel 2 coaxial with the first ratchet wheel 1, and correspondingly, the second wheel assembly 504 comprises a second ratchet wheel 3 driven by the dial 502 and a second pen clamping wheel 4 coaxial with the second ratchet wheel 3. The first ratchet wheel 1 and the second pen clamping wheel 4 are vertically opposite, and the second ratchet wheel 3 and the first pen clamping wheel 2 are vertically opposite. The inclined racks are uniformly and continuously distributed on the inner side face of the poking disc 502, the poking disc 502 is rotated, the inclined teeth of the poking disc 502 are meshed with the first ratchet wheel 1 and the second ratchet wheel 3, so that the first wheel assembly 503 and the second wheel assembly 504 are driven to rotate, and the pen can be stably fed into the pencil sharpener to be cut.

As shown in fig. 7, the pencil sharpening mechanism 400 includes a tool rest 401, a hob 402 and a turret 403, wherein one end of the tool rest 401 is connected with a dial 502 of the pencil feeding assembly 500, the other end of the tool rest 401 is connected with the turret 403, one end of the hob 402 is connected to the tool rest 401 in a shaft mode, and one end of the hob 402 is provided with a gear which is meshed with an internal gear of the turret 403. Meanwhile, the runner base 403 is connected with the rocking handle assembly 200, when the rocking handle assembly 200 is rocked, the tool holder 401 rotates, and the hob 402 is driven to rotate relative to the tool holder 401, and the hob 402 cuts the pencil inserted into the tool holder 401.

As shown in fig. 3-5, in the pencil sharpener provided by the present embodiment, a movable bottom cover 101 is disposed at the bottom of the casing 100, the movable bottom cover 101 is opened from the bottom of the casing 100 to form a release opening a, and the pencil shavings generated by sharpening the pencil by the pencil sharpening mechanism 400 can fall down from the release opening a.

Preferably, the removable bottom cover 101 is positioned directly below the sharpening mechanism 400. A chip collecting area C for containing the pen chips is arranged between the pencil sharpening mechanism 400 and the movable bottom cover 101.

Therefore, when the movable bottom cover 101 is closed, the movable bottom cover 101 closes the release port a, and the scraps produced by cutting the pencil by the pencil sharpening mechanism 400 fall on the movable bottom cover 101 and are accumulated in the inner cavity of the lower part of the casing 100, so that the scraps are prevented from falling into the external environment, and the high demand of the user on the pencil sharpener is met; when more pencil scraps need to be cleaned, the movable bottom cover 101 is opened, and the pencil scraps are cleaned out of the pencil sharpener from the release port A; in addition, the user can also clean the scraps of the pencil while sharpening the pencil under appropriate conditions, such as above the garbage bin, thereby further increasing the use convenience of the pencil sharpener.

Preferably, the movable bottom cover 101 in the present embodiment is disposed on the bottom of the housing 100 in a flip manner. The flip-type movable bottom cover 101 is pivoted at the bottom of the housing 100 at one side and can be turned downward to open the movable bottom cover 101 at the other side. It should be noted that, in the specific arrangement of the movable bottom cover 101 provided in this embodiment, the movable bottom cover 101 may also be arranged on the bottom of the housing 100 in a drawing manner.

Further preferably, a snap structure 01 and an operation switch 02 capable of opening or closing the snap structure 01 are disposed between the other side of the movable bottom cover 101 and the bottom of the housing 100, and a user can open the release opening a through the operation switch 02 to pour out the pen dust in the housing 100.

It is right above the utility model provides a penknife has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The pencil sharpener is characterized by comprising a shell and a pencil sharpening mechanism, wherein the pencil sharpening mechanism is positioned at the upper part of an inner cavity of the shell, a movable bottom cover is arranged at the bottom of the shell, the movable bottom cover is opened from the bottom of the shell to form a release port, and pencil scraps produced by sharpening a pencil by the pencil sharpening mechanism can fall down from the release port.

2. The pencil sharpener of claim 1, wherein said movable bottom cover is disposed on the bottom of the housing in a flip-up or a pull-out manner.

3. The sharpener of claim 1 wherein said removable bottom cap closes said discharge opening, and debris resulting from sharpening the pencil by the sharpener falls onto said removable bottom cap.

4. The sharpener of claim 1 wherein said removable bottom cover is located directly below the sharpener.

5. The sharpener of claim 1 further including a chip collection area between said sharpener and said movable bottom cap for holding chips.

6. The sharpener of claim 2 wherein the flip-type movable bottom cover is pivotally connected to the housing bottom on one side and is flipped down on the other side to allow the movable bottom cover to be opened.

7. The pencil sharpener of claim 6, wherein a snap structure and an operating switch for opening or closing the snap structure are provided between the other side of the movable bottom cover and the bottom of the housing.

8. The sharpener of claim 1 wherein said sharpening mechanism includes a holder and a roller cutter mounted on said holder.

9. The sharpener of claim 1 wherein said housing has a raised hand grip on an upper exterior surface thereof.

10. The sharpener of claim 9 wherein said handle portion includes a flat portion projecting from said housing and a restraining portion at the end of said flat portion.

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