CN212171794U

CN212171794U - Hand-held pencil sharpener

Info

Publication number: CN212171794U
Application number: CN202020797497.5U
Authority: CN
Inventors: 金响标
Original assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Current assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-18
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a hand-held type pencil sharpener, including built-in casing that has the mechanism of sharpening, assemble in the rocking handle subassembly and the protrusion at casing back in housing face's handheld portion, handheld portion is including protruding in the flat portion of casing and the terminal restriction portion of flat portion, and flat portion is used for receiving human finger centre gripping, and restriction portion is used for restricting the hand roll-off and breaks away from in flat portion, and the user of being convenient for grips on one hand on the casing of pencil sharpener, and the pencil sharpener of smear metal pencil is realized to another hand rotation rocking handle.

Description

Hand-held pencil sharpener

Technical Field

The utility model relates to a penknife for smear metal pencil especially relates to a casing that the user of being convenient for gripped the penknife on one hand, and the penknife of smear metal pencil is realized to another hand rotation rocking handle.

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 hand-held type penknife is provided, the user of being convenient for grips on one hand on the casing of penknife, and the pencil sharpener of smear metal pencil is realized to another hand rotation rocking handle.

The utility model provides a technical scheme that above-mentioned technical problem provided does: hand-held type pencil sharpener, including built-in casing, the assembly that has the mechanism of cutting a pencil in the rocking handle subassembly at casing back and the protruding handheld portion in housing face, handheld portion including protruding in the flat portion of casing and the terminal restriction portion of flat portion, flat portion be used for receiving human finger centre gripping, restriction portion be used for restricting the hand roll-off and break away from in flat portion.

The utility model discloses a further optimization scheme does: the handheld part is arranged on the front surface of the periphery of the shell.

The utility model discloses a further optimization scheme does: the handheld portion is provided with a pen inserting hole, and the pen inserting hole is communicated with a pen inlet hole in the shell and is a straight line.

The utility model discloses a further optimization scheme does: the pen inserting hole is arranged on one side of the flat part, and the width of the flat part is gradually reduced from the side of the pen inserting hole to the other side.

The utility model discloses a further optimization scheme does: the limiting part is a plate-shaped body, and the sectional area of the plate-shaped body is larger than that of the flat part.

The utility model discloses a further optimization scheme does: the hand-held part and the front shell of the shell are integrally injection molded, or the hand-held part is assembled and fixed on the shell.

The utility model discloses a further optimization scheme does: the pencil sharpening mechanism comprises a tool rest and a hob, and the tool rest is driven by the rocking handle assembly.

The utility model discloses a further optimization scheme does: the front side of the inner cavity of the shell is provided with a pencil feeding assembly which can convey a pencil inwards when the tool rest rotates.

The utility model discloses a further optimization scheme does: the handheld part is rotatably connected to the surface of the shell, and the handheld part can rotate around the pen inserting hole at least in a certain range.

The utility model discloses a further optimization scheme does: the bottom of the shell is provided with a movable bottom cover, and after the movable bottom cover is opened, pencil scraps generated by cutting the pencil scraps by the pencil sharpening mechanism can fall down from a release port formed after the movable bottom cover is opened.

The utility model discloses a further optimization scheme does: the movable bottom cover is connected with the bottom of the shell in a flip cover or pull type structure.

Compared with the prior art, the utility model discloses an advantage is provided with the protrusion in housing face's handheld portion at the housing face of pencil sharpener, and handheld portion is used for receiving human finger centre gripping including protruding flat portion and the terminal restriction portion of flat portion in the casing, flat portion, and the restriction portion is used for restricting the hand roll-off and breaks away from in flat portion, and the user of being convenient for grips on the casing of pencil sharpener on one hand, and the pencil sharpener of smear metal pencil is realized to another hand rotation rocking handle.

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 hand-held type 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 to understand 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

1. Hand-held type pencil sharpener, its characterized in that including built-in casing, the rocking handle subassembly of assembling at the casing back that has the mechanism of cutting a pencil and the handheld portion of protrusion in casing surface, handheld portion including protruding in the flat portion of casing and the terminal restriction portion of flat portion, flat portion be used for receiving human finger centre gripping, restriction portion be used for restricting the hand roll-off and break away from in flat portion.

2. The hand-held pencil sharpener of claim 1 wherein said hand grip portion is disposed on a peripheral front surface of said housing.

3. The handheld pencil sharpener of claim 2, wherein said handle portion defines a pencil insertion opening, said pencil insertion opening being aligned with said pencil insertion opening in said housing.

4. The hand-held pencil sharpener of claim 3 wherein said insertion opening is disposed on one side of said flat portion, said flat portion having a width that decreases from said insertion opening side to said other side.

5. The hand-held pencil sharpener of claim 1 wherein said restraint portion is a plate-like body having a cross-sectional area greater than a cross-sectional area of said flat portion.

6. The hand-held pencil sharpener of claim 1 wherein said handle portion is integrally injection molded with said front housing of said housing or said handle portion is mounted on said housing.

7. The hand-held pencil sharpener of claim 1 wherein said pencil sharpening mechanism includes a knife holder and a roller cutter, said knife holder being driven by a crank assembly, and a pencil feed assembly disposed in front of the interior cavity of the housing for feeding the pencil inwardly upon rotation of the knife holder.

8. The hand-held pencil sharpener of claim 3 wherein said handle portion is rotatably attached to a surface of said housing, said handle portion being rotatable at least a limited amount about said insertion aperture.

9. The hand-held pencil sharpener of claim 1 wherein the housing has a removable bottom cover at the bottom thereof, and wherein pencil shavings generated by the shavings of the pencil sharpening mechanism fall downwardly from the discharge opening after the removable bottom cover is removed.

10. The hand-held pencil sharpener of claim 9 wherein said removable bottom cover is attached to said housing bottom in a flip or pull configuration.