CN215513019U

CN215513019U - Pencil sharpener

Info

Publication number: CN215513019U
Application number: CN202121380978.7U
Authority: CN
Inventors: 刘军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-14
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a pencil sharpener, which comprises a pencil sharpener body, wherein a first tool rest and a second tool rest are detachably connected in an inner cavity of the pencil sharpener body, the diameter of a pencil sharpening hole of the first tool rest is smaller than that of a pencil sharpening hole of the second tool rest, a first slot is formed in the lower end of the first tool rest, a second slot is formed in the lower end of the second tool rest, a first rotating shaft and a second rotating shaft are arranged at the lower part of the inner cavity of the pencil sharpener body, the first slot can be matched with the first rotating shaft or the second rotating shaft in an inserted manner, and the second slot can only be matched with the second rotating shaft in an inserted manner. The technical scheme can meet the requirements of different thick and thin pencils on cutting, can meet the daily high use frequency requirement of the thin pencils, and can also prevent the big hole tool rest from being arranged at the small hole end.

Description

Pencil sharpener

Technical Field

The utility model relates to the field of stationery, in particular to a pencil sharpener.

Background

In daily life, official working or study, need carry out the fly-cutting to the pencil with the ware of cutting, in order to satisfy the pencil cutting of different thicknesses, a big one little diplopore ware of cutting appears, and the macropore knife rest that macropore end corresponds generally is used for cutting 8-12 mm's thick pencil (like thick various lead), and the aperture knife rest that aperture end corresponds generally is used for cutting 6-8 mm's thin pencil, deals with the demand of the daily high frequency of use of thin pencil in the existing market, and the macropore end can not install the aperture knife rest, leads to cutting the efficiency reduction of thin pencil.

When the tool rest in the inner cavity of the pencil sharpener is replaced in use, the situation that the large-hole tool rest is installed at the small-hole end often occurs, and installation errors are caused.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the pencil sharpener overcomes the defects of the prior art, meets the requirements of sharpening different thick and thin pencils, can meet the daily high use frequency requirements of the thin pencils, and can prevent a large hole knife rest from being arranged at a small hole end.

The technical scheme adopted by the utility model is as follows: the utility model provides a cut a ware, including cutting a ware body, detachable is connected with first knife rest and second knife rest in cutting the inner chamber of a ware body, the hole aperture of cutting a hole of first knife rest is less than the hole aperture of cutting a hole of cutting of second knife rest, the lower extreme of first knife rest is equipped with first slot, the lower extreme of second knife rest is equipped with the second slot, the inner chamber lower part of cutting a ware body is equipped with first pivot and second pivot, first slot can with first pivot or the cooperation of second pivot cartridge, the second slot only can with the cooperation of second pivot cartridge.

The utility model has the beneficial effects that: it is connected with first knife rest and second knife rest to cut detachable in the inner chamber of a ware body, the hole aperture of cutting of first knife rest is less than the hole aperture of cutting of second knife rest, make the ware of cutting can satisfy the cutting of different thickness pencils, first slot can cooperate with first pivot or second pivot cartridge, make the ware of cutting can also install two first knife rests simultaneously, satisfy the high frequency of use of thin pencil, improve the cutting efficiency of thin pencil, the second slot only can cooperate with second pivot cartridge, make the second knife rest can not be connected with first pivot, prevent that the knife rest installation from makeing mistakes.

Further, the inner wall of second slot is equipped with prevents slow-witted arch, be equipped with in the second pivot with prevent slow-witted protruding matched with prevent slow-witted recess, through above-mentioned technical scheme, prevent that slow-witted arch cooperatees with preventing slow-witted recess, make the second slot can only insert in the second pivot, prevent that the second slot from inserting first pivot.

Further, the cross section of first pivot and first slot is the quadrangle, the cross section of second pivot and second slot is the quadrangle of unfilled corner, and through above-mentioned technical scheme, the quadrangle makes pivot and knife rest circumference spacing, realizes that pivot and knife rest transmission are connected, and the quadrangle of unfilled corner can realize preventing staying, and tetragonal simple structure makes things convenient for the production and the processing of product simultaneously.

Furthermore, the upper end of the pencil sharpener body is provided with a second pencil inserting hole corresponding to the second knife rest, the pencil sharpener body is provided with a protection component for preventing fingers from extending into the second pencil inserting hole, and through the technical scheme, the protection component can prevent the fingers from extending into the second knife rest through the second pencil inserting hole, so that the safety of the pencil sharpener is improved.

Furthermore, the protection assembly comprises a baffle, the baffle is perpendicular to the insertion direction of the pencil, the baffle is connected with the pencil sharpener body in a sliding mode, the front end of the baffle shields the second pencil insertion hole, the rear end of the baffle is connected with the pencil sharpener body through an elastic piece, the elastic piece enables the baffle to always have the trend of moving towards the second pencil insertion hole, the baffle is connected with the pencil sharpener body in a sliding mode through the technical scheme, the second pencil insertion hole can be conveniently opened and closed through the baffle, the rear end of the baffle is connected with the pencil sharpener body through the elastic piece, and after the pencil is pulled out of the second pencil insertion hole, the baffle can automatically close the second pencil insertion hole, so that the pencil sharpener is simpler in use and operation.

Furthermore, be equipped with on the baffle and dial the board, through above-mentioned technical scheme, dial the board and can drive the baffle and remove, made things convenient for the baffle to open the second and insert a hole fast, improve pencil cutting efficiency.

Furthermore, two cutting blades are arranged on the first tool rest or/and the second tool rest, and through the technical scheme, the two cutting blades work simultaneously, so that the tool rest can quickly cut a pencil, and the pencil cutting efficiency is improved.

Drawings

FIG. 1 is a perspective view of the external appearance of the sharpener of the present invention;

FIG. 2 is a schematic view of the internal structure of the sharpener body;

FIG. 3 is a schematic view of the first tool holder and first output gear;

FIG. 4 is a schematic view of the construction of the second tool holder and the second output gear;

FIG. 5 is a schematic view of the construction of the cutting cartridge;

FIG. 6 is a schematic view of the structure of the lid;

FIG. 7 is a schematic structural view of a shield assembly;

FIG. 8 is a schematic view of the construction of the sharpener body with two first tool holders mounted therein;

description of reference numerals: 1. a sharpener body; 11. a first tool holder; 111. a first slot; 12. a second tool holder; 121. a second slot; 122. a fool-proof projection; 13. a first pen insertion hole; 14. a second pen insertion hole; 15. a guard assembly; 151. a baffle plate; 152. an elastic member; 153. dialing a plate; 16. a cutting bin; 161. a jack; 162. a card slot; 17. a bin cover; 171. inserting plates; 172. clamping a plate; 18. a first switch; 19. a second switch; 2. a gear drive assembly; 21. a first output gear; 211. a first rotating shaft; 22. a second output gear; 221. a second rotating shaft; 222. a fool-proof groove; 23. an intermediate gear; 3. a drive assembly.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-7, the present invention provides a pencil sharpener, which comprises a pencil sharpener body 1, wherein a first tool holder 11, a second tool holder 12, a gear transmission assembly 2 and a driving assembly 3 are arranged in an inner cavity of the pencil sharpener body 1, the first tool holder 11 and the second tool holder 12 are detachably connected to the pencil sharpener body 1, a hole diameter of a pencil sharpening hole of the first tool holder 11 is smaller than a hole diameter of a pencil sharpening hole of the second tool holder 12, a first insertion groove 111 is arranged at a lower end of the first tool holder 11, a second insertion groove 121 is arranged at a lower end of the second tool holder 12, the gear transmission assembly 2 is arranged at a lower portion of the inner cavity of the pencil sharpener body 1, the gear transmission assembly 2 comprises a first output gear 21 and a second output gear 22, a first rotation shaft 211 is arranged on the first output gear 21, a second rotation shaft 221 is arranged on the second output gear 22, the first insertion groove 111 can be inserted and matched with the first rotation shaft 211 or the second rotation shaft 221, the second slot 121 can only be inserted and matched with the second rotating shaft 221; in this embodiment, the first tool holder 11 has a hole diameter of 8mm, which is suitable for cutting a pencil with an outer diameter of 6-8mm, and the second tool holder 12 has a hole diameter of 12mm, which is suitable for cutting a pencil with an outer diameter of 8-12 mm.

The inner wall of the second slot 121 is provided with a fool-proof protrusion 122, and the second shaft 221 is provided with a fool-proof groove 222 matching with the fool-proof protrusion 122.

The cross sections of the first rotating shaft 211 and the first slot 111 are quadrangles, and the cross sections of the second rotating shaft 221 and the second slot 121 are quadrangles with unfilled corners.

The upper end of the pencil sharpener body 1 is provided with a first pencil inserting hole 13 corresponding to the first knife rest 11, the first pen inserting hole 13 is the same as the inner hole of the first knife rest 11, is smaller, is not easy to insert fingers, the upper end of the pencil sharpener body 1 is provided with a second pencil inserting hole 14 corresponding to the second tool holder 12, the second pen insertion hole 14 is the same as and larger than the inner hole of the second tool holder 12, so that fingers can be easily inserted into the hole, the pencil sharpener body 1 is provided with a protective component 15 for preventing fingers from extending into the second pencil inserting hole 14, the protective assembly 15 includes a blocking plate 151, the blocking plate 151 is perpendicular to the insertion direction of the pencil, the baffle 151 is connected with the pencil sharpener body 1 in a sliding manner, the front end of the baffle 151 shields the second pencil inserting hole 14, the rear end of the baffle 151 is connected with the pencil sharpener body 1 through an elastic member 152, and the elastic member 152 enables the baffle 151 to always have a tendency of moving towards the second inserting hole 14.

The baffle 151 is established in the below of cutting 1 roof of a ware body, be equipped with on the baffle 151 and dial board 153, be equipped with on 1 roof of a ware body and be used for supplying to dial the through-hole that board 153 wore out, and dial board 151 and follow the horizontal direction slidable in the through-hole, the user's accessible is dialled and is dialled board 153, inserts the second with the pencil fast and inserts a hole 14, convenient operation.

Two cutting inserts are provided on the first tool holder 11 or/and the second tool holder 12.

Cut an ware body 1's inner chamber including cutting the storehouse 16, first knife rest 11 and second knife rest 12 are located in cutting the storehouse 16, be equipped with cang gai 17 on the cutting storehouse 16, cang gai 17 with cut a ware body 1 joint, the lower part of cang gai 17 is equipped with picture peg 171, picture peg 171 inserts in the jack 161 of cutting the 16 lower parts of storehouse, the upper portion of cang gai 17 is equipped with cardboard 172, cardboard 172 with cut the draw-in groove 162 joint on 16 upper portions of storehouse, cang gai 17 can keep apart cutting storehouse 16 and external, plays the guard action, collects the pencil simultaneously and cuts the bits, convenient clearance.

The gear transmission assembly 2 further comprises an intermediate gear 23, the intermediate gear 23 is respectively in meshing transmission connection with the first output gear 21 and the second output gear 22, a first switch 18 with a reset function is arranged below the intermediate gear 23, when the intermediate gear 23 presses the first switch 18, the driving assembly 3 is powered on to operate and drive the intermediate gear 23 to rotate, so that the first tool rest 11 and the second tool rest 12 rotate, the tool rest drives the first output gear 21 or the second output gear 22 to be extruded downwards to enable the intermediate gear 23 to press the first switch 18, the first switch 18 is switched on, the driving assembly 3 is powered on to operate, and the tool rest rotates, so that the pencil can be electrically cut.

Be equipped with the second switch 19 that has reset function in the jack 161, work as picture peg 171 breaks away from during the jack 161, the disconnection that resets of second switch 19, drive assembly 3 outage stop work, when the storehouse lid 17 breaks away from the sharpener body 1, second switch 19 resets, makes drive assembly 3 outage stop work to prevent that the maloperation from making the knife rest rotatory, improve safety.

When the pencil sharpener is used, the inserting plate 171 is inserted into the inserting hole 161, the inserting plate 171 presses the second switch 19, the clamping plate 172 is clamped into the clamping groove 162, the bin cover 17 is connected with the pencil sharpener body 1, the cutter frame in the cutting bin 16 is prevented from being exposed, a pencil is inserted into the cutter frame through the pencil inserting hole, the pressure of the pencil drives the cutter frame, the output gear and the intermediate gear 23 to move downwards, the first switch 18 is squeezed to conduct a circuit, the driving assembly 3 is powered on to operate, the cutter frame rotates, electric pencil sharpening is achieved, when the pencil is pulled out of the pencil inserting hole, the first switch 18 resets to disconnect the circuit, the driving assembly 3 and the cutter frame stop working, when the bin cover 17 is separated from the pencil sharpener body 1, the second switch 19 resets to disconnect, and when the pencil is inserted into the cutter frame again, the driving assembly 3 is used, and the use safety of the pencil sharpener is improved.

Example 2

As shown in fig. 8, the present embodiment 2 is different from embodiment 1 in that another first tool holder 11 is correspondingly disposed below the second pen insertion hole 14, and the first tool holder 11 is connected to the second rotating shaft 221 in a plug-in fit manner.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a cut a ware, is including cutting a ware body (1), its characterized in that, detachable is connected with first knife rest (11) and second knife rest (12) in the inner chamber of cutting a ware body (1), the hole aperture of cutting a hole of first knife rest (11) is less than the hole aperture of cutting a hole of second knife rest (12), the lower extreme of first knife rest (11) is equipped with first slot (111), the lower extreme of second knife rest (12) is equipped with second slot (121), the inner chamber lower part of cutting a ware body (1) is equipped with first pivot (211) and second pivot (221), first slot (111) can with first pivot (211) or second pivot (221) cartridge cooperation, second slot (121) only can with second pivot (221) cartridge cooperation.

2. The pencil sharpener as claimed in claim 1, wherein the inner wall of the second slot (121) is provided with a fool-proof protrusion (122), and the second shaft (221) is provided with a fool-proof groove (222) matching with the fool-proof protrusion (122).

3. The pencil sharpener of claim 2, wherein the cross section of the first rotating shaft (211) and the first slot (111) is quadrilateral, and the cross section of the second rotating shaft (221) and the second slot (121) is quadrilateral with unfilled corners.

4. The pencil sharpener as claimed in claim 1, characterized in that the upper end of the pencil sharpener body (1) is provided with a second pencil insertion hole (14) corresponding to the second tool holder (12), and the pencil sharpener body (1) is provided with a protective component (15) for preventing fingers from extending into the second pencil insertion hole (14).

5. The pencil sharpener as claimed in claim 4, wherein the guard assembly (15) comprises a baffle (151), the baffle (151) is perpendicular to the insertion direction of the pencil, the baffle (151) is slidably connected with the pencil sharpener body (1), the front end of the baffle (151) shields the second insertion hole (14), the rear end of the baffle (151) is connected with the pencil sharpener body (1) through an elastic member (152), and the elastic member (152) enables the baffle (151) to always have a tendency to move towards the second insertion hole (14).

6. The sharpener of claim 5, wherein the guard (151) is provided with a dial plate (153).

7. The sharpener according to any one of claims 1-6, characterized in that the first holder (11) or/and the second holder (12) is provided with two cutting inserts.