Multi-hole pencil sharpener

Abstract

The utility model relates to the technical field of pencil sharpeners, in particular to a multi-hole pencil sharpener which comprises a scrap containing body, a cutting mechanism is arranged on the scrap containing body, the cutting mechanism is arranged in the middle of the scrap containing body, and the cutting mechanism comprises a plurality of cutting units forming cutting operation with pencils of different specifications. The chip discharging directions of the chip cutting units are arranged in the circumferential direction of the chip cutting units in an array mode. By arranging the multiple cutting units, pencils with different thicknesses can be cut by the cutting mechanism; the cutting mechanism is fixedly arranged in the middle of the interior of the chip containing body, and the chip discharging directions of the chip cutting units are arranged in the circumferential direction in an array mode, so that chips produced by different cutting units can evenly fall into the chip containing body in the cutting process, and the space utilization rate of the chip containing body is greatly increased.

Description

Technical Field

[0001] The present application relates to the technical field of pencil sharpeners, and more particularly to a multi-hole pencil sharpener. Background Art

[0002] Traditional single-hole pencil sharpeners can only cut pencils of a single specification. For users who need to process pencils of multiple specifications, they are not flexible enough in use. Therefore, some multi-hole pencil sharpeners that can adapt to different specifications of pencils have emerged on the market one after another.

[0003] The multi-hole pencil sharpener includes a chip container provided with a chip storage groove, cutting holes of different sizes, and blades of different specifications. On the multi-hole pencil sharpeners on the market, the cutting holes of different sizes are usually arranged side by side, and the blades of different specifications are arranged on the same side. When the user cuts a pencil, it is easy to have a situation where there is more chip on the side of the chip storage groove close to the blade and less chip on the side away from the blade. That is, most of the chips cut from the same side of the blade will accumulate on one side of the chip storage groove, resulting in low space utilization of the chip storage groove. And because the space in the chip storage groove of the traditional multi-hole pencil sharpener that can accommodate chips is small, as the use frequency of the multi-hole pencil sharpener increases, the chips accumulated on the side of the chip storage groove close to the blade are easy to fill up and overflow the chip storage groove, and there are areas for improvement. Utility Model Content

[0004] In order to make the chips in the chip storage groove evenly distributed, the present application provides a multi-hole pencil sharpener.

[0005] A multi-hole pencil sharpener provided by the present application adopts the following technical solutions:

[0006] A multi-hole pencil sharpener includes a chip container, a cutting mechanism is arranged on the chip container, the cutting mechanism is arranged in the middle of the chip container, the cutting mechanism includes a plurality of cutting units that form a cutting operation with different specifications of pencils, and the chip discharging directions of the chip units are arranged in a circumferential array.

[0007] By adopting the above technical solutions, with the arrangement of a plurality of cutting units, the cutting mechanism can cut pencils of different thicknesses; with the cutting mechanism fixedly arranged in the middle of the chip container and the chip discharging directions of the chip units arranged in a circumferential array, the chips produced by different cutting units during the cutting process can evenly fall into the chip container, greatly improving the space utilization rate of the chip container.

[0008] Preferably, the chip mechanism includes a connecting shell, the chip unit is detachably arranged on the connecting shell, the connecting shell is detachably arranged on the chip container, a cutting hole is arranged on the chip unit, and a blade for cutting a pencil is arranged on one side of the cutting hole.

[0009] By adopting the above technical solutions, since the chip unit is detachably arranged on the connecting shell, and the connecting shell is detachably arranged on the chip container, it is convenient for users to assemble, disassemble and clean the chip container, the connecting shell and the chip unit; by providing the cutting hole and the blade, users can smoothly put the pencil into the cutting hole for rotary cutting.

[0010] Preferably, an installation groove is provided on the connecting shell, the cutting unit includes a cutting block, the cutting block is in an embedded fit with the installation groove, and the cutting hole is provided on the cutting block.

[0011] By adopting the above technical solutions, since the cutting block is in an embedded fit with the installation groove, the stability of the cutting block during the cutting process is ensured.

[0012] Preferably, an avoidance groove for avoiding the tip of the pencil is provided on the cutting block, and the avoidance groove is located below the cutting hole.

[0013] By adopting the above technical solutions, by providing the avoidance groove, it is convenient to avoid the tip of the pencil during use, so that it is convenient for users to cut the tip of the pencil.

[0014] Preferably, a limiting block is provided on the connecting shell, a limiting groove is provided at the opening of the chip container, and the limiting block is in a clamping fit with the limiting groove.

[0015] By adopting the above technical solutions, since the limiting block is in a clamping fit with the limiting groove, the detachable fixation between the connecting shell and the chip container is realized, and further the detachable fixation between the cutting mechanism and the chip groove is realized, ensuring the stability and safety of the cutting mechanism during use.

[0016] Preferably, a flip mechanism for preventing chips from spilling out of the cutting hole is provided on the cutting mechanism, and the flip mechanism is detachably connected to the connecting shell.

[0017] By adopting the above technical solutions, by providing the flip mechanism, it can effectively prevent the chips generated during the cutting process from spilling out of the cutting hole, thus keeping the working environment clean.

[0018] Preferably, the flip mechanism includes a cover body and a blocking portion for blocking the cutting block from sliding out of the installation groove, the cover body is rotatably connected to the blocking portion, and the blocking portion is in a clamping fit with the connecting shell.

[0019] By adopting the above technical solutions, since the cover body is rotatably connected to the blocking portion, and the blocking portion is in a clamping fit with the cutting mechanism, the blocking portion can effectively block the cutting block from sliding out of the installation groove, ensuring the stability during the cutting process.

[0020] Preferably, a clamping groove is provided on the connecting housing, and a clamping block is provided on the cover body. The clamping block and the clamping groove form a clamping fit.

[0021] By adopting the above technical solution, the fixation between the flip-up mechanism and the cutting mechanism is realized by using the clamping groove and the clamping block.

[0022] Preferably, a limiting hole and a chip removing rod for pressing the chips near the blade downward are coaxially provided on the blocking portion and the connecting housing. The chip removing rod and the limiting hole form a plug-in fit, and the chip removing rod is arranged on one side of the cutting unit in the chip discharging direction.

[0023] By adopting the above technical solution, the chip removing rod and the limiting hole form a plug-in fit, so that the chip removing rod can press the chips near the blade downward into the chip receiving body during cutting, preventing the chips from accumulating and blocking at the chip discharging place of the blade.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By using a plurality of cutting units, the cutting mechanism can cut pencils of different thicknesses; the cutting mechanism is fixedly arranged in the upper middle of the chip receiving body, and the chip discharging directions of the chip cutting units are arranged in a circumferential array, so that the chips produced by different cutting units during cutting can uniformly fall into the chip receiving body, greatly improving the space utilization rate of the chip receiving body;

[0026] 2. By forming a rotational connection between the cover body and the blocking portion, and a plug-in fit between the blocking portion and the cutting mechanism, the blocking portion can effectively prevent the cutting block from slipping out of the installation groove, ensuring the stability during cutting;

[0027] 3. By forming a plug-in fit between the chip removing rod and the limiting hole, the chip removing rod can press the chips near the blade downward into the chip receiving body during cutting, preventing the chips from accumulating and blocking at the chip discharging place of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is an isometric schematic diagram mainly showing the overall structure in Embodiment 1 of the present application;

[0029] Figure 2 is an exploded view mainly showing the overall structure in Embodiment 1 of the present application;

[0030] Figure 3 is an exploded view mainly showing the connection relationship between the connecting housing and the chip receiving groove in Embodiment 1 of the present application;

[0031] Figure 4 is an exploded view mainly showing the connection relationship between the cutting mechanism and the flip-up mechanism in Embodiment 1 of the present application;

[0032] Figure 5 It is an axonometric view mainly showing the overall structure in the second embodiment of the present application;

[0033] Figure 6 It is a partial exploded view mainly showing the connection relationship between the chip removal rod, the blocking part and the connection housing in the second embodiment of the present application.

[0034] Reference signs: 1, chip container; 11, chip storage groove; 12, limit groove; 13, stepped surface; 2, cutting mechanism; 21, connection housing; 211, limit block; 212, installation groove; 213, disassembly hole; 214, mating groove; 215, stop block; 216, insertion hole; 217, limiting structure; 2171, first stepped surface; 2172, second stepped surface; 2173, clamping groove; 22, cutting unit; 221, cutting block; 2211, cutting hole; 2212, corrugated anti-slip part; 222, blade; 223, cutting space; 2231, avoidance groove; 3, flip mechanism; 31, cover body; 311, clamping block; 312, dialing block; 32, blocking part; 321, mating hole; 322, hook plate; 323, insertion post; 324, limit hole; 325, chip removal rod. Detailed implementation manners

[0035] The following further elaborates on the present application with reference to the attached Figure 1 - attached Figure 6 drawings.

[0036] The embodiment of the present application discloses a multi-hole pencil sharpener.

[0037] Embodiment 1:

[0038] Referring to Figure 1 and Figure 2 , a multi-hole pencil sharpener includes a chip container 1, a cutting mechanism 2 is arranged on the chip container 1, the cutting mechanism 2 is arranged in the middle of the chip container 1, the cutting mechanism 2 includes a connection housing 21 and a plurality of cutting units 22 that perform cutting operations with pencils of different specifications. In the embodiment of the present application, three cutting units 22 are provided, and the three chip removal units 22 are all arranged in the middle of the connection housing 21, and the chip removal directions of the three chip removal units 22 are arranged in a circumferential array.

[0039] Referring to Figure 1 and Figure 2 , by arranging a plurality of cutting units 22, the cutting mechanism 2 can cut pencils of different thicknesses; by fixing the cutting mechanism 2 in the middle of the chip container 1 and arranging the chip removal directions of the chip removal units 22 in a circumferential array, the chips produced by different cutting units 22 during the cutting process can uniformly fall into the chip container 1, greatly improving the space utilization rate of the chip container 1.

[0040] Referring toFigure 1 and Figure 2 , any chip unit 22 is detachably arranged on the connecting shell 21, and the connecting shell 21 is detachably arranged on the chip container 1, which is convenient for the user to assemble, disassemble and clean the chip container 1, the connecting shell 21 and the chip unit 22.

[0041] Referring to Figure 2 and Figure 3 , a chip storage groove 11 for storing chips is formed on the chip container 1. A limiting groove 12 and a stepped surface 13 are arranged at the opening of the chip storage groove 11 on the chip container 1. The connecting shell 21 is in plug-in fit with the stepped surface 13. A limiting block 211 is integrally formed on the connecting shell 21, and the limiting block 211 is in clamping fit with the limiting groove 12, so as to realize the detachable fixation between the connecting shell 21 and the chip container 1, and further realize the detachable fixation between the cutting mechanism 2 and the chip container 1, ensuring the stability and safety of the cutting mechanism 2 during use.

[0042] Referring to Figure 4 , three mounting grooves 212 are integrally formed on the connecting shell 21 corresponding to the quantity and positions of the chip units 22. Two of the larger mounting grooves 212 are arranged back to back, and the other smaller mounting groove 212 is arranged on the side of the two larger mounting grooves 212.

[0043] Referring to Figure 4 , any chip unit 22 includes a cutting block 221. Any cutting block 221 is in embedded fit with the corresponding mounting groove 212 of the connecting shell 21. An inverted conical cutting hole 2211 is arranged on any cutting block 221, so that the pencil sharpener can adapt to pencils of different thicknesses. At the same time, the user can smoothly put the pencil into the cutting hole 2211 for rotary cutting; A blade 222 is connected to any cutting block 221 by bolts in a threaded manner. The chip discharging direction of any blade 222 is consistent with the opening direction of the corresponding mounting groove 212. A cutting space 223 for cutting the pencil is formed between the side of any cutting hole 2211 close to the chip container 1 and the cutting edge of the blade 222. And a avoiding groove 2231 for avoiding the pen tip is arranged below the cutting hole 2211 in any cutting space 223, so that the chips produced from different cutting holes 2211 during cutting can uniformly fall into the chip storage groove 11.

[0044] Referring to Figure 4, the largest one of the three cutting blocks 221 is provided with a corrugated anti-slip portion 2212. The corrugated anti-slip portions 2212 are arranged on both sides of the cutting block 221. Any one of the corrugated anti-slip portions 2212 on the cutting block 221 forms an abutting fit with the inner wall of the mounting groove 212. Since the volume of the cutting block 221 is relatively large, when the user uses the cutting block 221 to cut a pencil, vibration is likely to occur, causing the cutting block 221 to fall out of the mounting groove 212. By providing the corrugated anti-slip portion 2212, the friction area between the cutting block 221 and the mounting groove 212 is increased, making the connection between the cutting block 221 and the mounting groove 212 more stable and reducing the risk of the cutting block 221 falling out of the mounting groove 212.

[0045] Refer to Figure 4 , the largest one of the three mounting grooves 212 is provided with a disassembly hole 213. The disassembly hole 213 is arranged on the side close to the chip receiving body 1, and the disassembly hole 213 is arranged away from the mounting groove 212. The disassembly hole 213 is communicated with the corresponding mounting groove 212. The provision of the disassembly hole 213 facilitates the user to easily push out the cutting block 221 in the mounting groove 212 with their hand or other tools when adjustment or replacement of the cutting block 221 is required.

[0046] Refer to Figure 4 , a flip mechanism 3 for preventing chips from spilling out of the cutting holes 2211 is provided on the cutting mechanism 2. The flip mechanism 3 is detachably connected to the connecting housing 21. By providing the flip mechanism 3, it can effectively prevent the chips generated during the cutting process from spilling out of the cutting holes, thereby keeping the working environment clean.

[0047] Refer to Figure 4 , the flip mechanism 3 includes a cover body 31 and a circular blocking portion 32. The cover body 31 is rotatably connected to the blocking portion 32. The blocking portion 32 forms a snap-fit with the connecting housing 21. Thus, the blocking portion 32 can effectively prevent the cutting block 221 from slipping out of the mounting groove 212, ensuring the stability during the cutting process.

[0048] Refer to Figure 4 , the blocking portion 32 is provided with mating holes 321 corresponding to the positions, sizes, and numbers of the three cutting holes 2211. Any one of the mating holes 321 is communicated with the corresponding cutting hole 2211, enabling the user to smoothly insert the pencil through the mating holes 321 on the blocking portion 32 into the corresponding cutting hole 2211 for cutting.

[0049] Refer to Figure 2 and Figure 4, a hook plate 322 is integrally formed along the radial direction on the upper edge of the blocking portion 32. There are two hook plates 322 and they are symmetrically arranged. Corresponding to the number and position of the hook plates 322, a mating groove 214 is provided on the connecting housing 21. Any hook plate 322 forms a snap-fit with its corresponding mating groove 214. On one side of the connecting housing 21 close to the mating groove 214, a stopper 215 is provided that forms an abutting fit with the hook plate 322. There are six stoppers 215. In this embodiment, any hook plate 322 is correspondingly provided with three stoppers 215 and the three stoppers 215 are arranged in an interval array. During actual operation, the stoppers 215 on the connecting housing 21 can limit the hook plate 322, thus initially realizing the connection and fixation of the blocking portion 32 and the connecting housing 21.

[0050] Refer to Figure 4 , on the side of the blocking portion 32 close to the cover 31, a plug post 323 is integrally formed. The plug posts 323 are symmetrically arranged with respect to the perpendicular line of the connection line of the two hook plates 322. Corresponding to the number and position of the plug posts 323, a plug hole 216 is provided on the connecting housing 21 of the cutting mechanism 2. Any plug post 323 forms a plug-in fit with its corresponding plug hole 216, thereby further realizing the connection and fixation of the blocking portion 32 and the connecting housing 21.

[0051] Refer to Figure 4 , a limiting structure 217 is integrally formed on the connecting housing 21 of the cutting mechanism 2. The limiting structure 217 is arc-shaped and is arranged at the edge of the connecting housing 21. The limiting structure 217 includes an inner first stepped surface 2171 and an outer second stepped surface 2172. There are two first stepped surfaces 2171 and they are symmetrically arranged on both sides of the connection between the cover 31 and the blocking portion 32. Any first stepped surface 2171 forms an abutting fit with the outer contour of the blocking portion 32, so that the blocking portion 32 can be detachably fixed to the connecting housing 21 of the cutting mechanism 2 in a fitting and stable manner.

[0052] Refer to Figure 2 and Figure 4 , a clamping groove 2173 is provided on the side of the limiting structure 217 away from the connection between the cover 31 and the blocking portion 32. The cover 31 forms an abutting fit with the second stepped surface 2172 at the edge of the opening, and a clamping block 311 is provided on the inner side of the cover 31. The clamping block 311 forms a clamping fit with the clamping groove 2173, so that the cover 31 can be firmly locked in the clamping groove 2173 of the cutting mechanism 2 when it is closed, preventing chips from spilling out; on the side of the cover 31 away from the clamping block 311, a dial block 312 is provided to facilitate opening the cover 31, so that the user can quickly open the cover 31 when cutting the pen tip, thereby improving the convenience of use.

[0053] The implementation principle of the embodiments of this application is as follows: During actual operation, the user can insert a pencil into the corresponding cutting hole 2211 according to requirements. Since the chip removal directions of the installation groove 212 and the blade 222 are different, and the chip removal direction of the chip removal unit 22 is arranged in a circumferential array, the chips produced by the user from different cutting holes 2211 can evenly fall into the chip storage groove 11, greatly improving the space utilization rate of the chip storage groove 11.

[0054] Embodiment 2:

[0055] The difference between Embodiment 2 and Embodiment 1 lies in that:

[0056] Referring to Figure 5 and Figure 6 , a limiting hole 324 and a chip removal rod 325 for pressing the chips near the blade 222 downward are coaxially arranged on the blocking part 32 and the connecting housing 21. The chip removal rod 325 forms a plug-in fit with the limiting hole 324. This plug-in fit can be set as an interference plug-in fit, and the chip removal rod 325 is located on one side of the chip removal direction of the blade 222. Thus, the chip removal rod 325 can press the chips near the blade 222 downward into the chip receiving body 1 during the cutting process, preventing the chips from accumulating and blocking at the chip removal place of the blade 222. At the same time, the chips in the chip storage groove 11 can be evenly distributed, improving the space utilization rate of the chip storage groove 11.

[0057] The above are all the preferred embodiments of this application. It does not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A porous pencil sharpener, characterized in that: The invention comprises a chip holding body (1), on which a cutting mechanism (2) is arranged. The cutting mechanism (2) is arranged in the middle of the chip holding body (1), and comprises a plurality of cutting units (22) for performing cutting operations with pencils of different specifications. The chip discharge directions of the cutting units (22) are arranged in an array along their circumference.

2. A multi-hole pencil sharpener according to claim 1, characterized in that: The cutting mechanism (2) comprises a connecting shell (21), the cutting unit (22) is detachably arranged on the connecting shell (21), the connecting shell (21) is detachably arranged on the chip holding body (1), the cutting unit (22) is provided with a cutting hole (2211), and a blade (222) for cutting a pencil is provided on one side of the cutting hole (2211).

3. A multi-hole pencil sharpener according to claim 2, characterized in that: The connecting shell (21) is provided with a mounting groove (212); the cutting unit (22) comprises a cutting block (221); the cutting block (221) and the mounting groove (212) are embedded in each other; and the cutting hole (2211) is provided on the cutting block (221).

4. A multi-hole pencil sharpener according to claim 3, characterized in that: The cutting block (221) is provided with an avoidance groove (2231) for avoiding the pen tip, and the avoidance groove (2231) is located below the cutting hole (2211).

5. The porous pencil sharpener according to claim 2, characterized in that: A limit block (211) is provided on the connecting shell (21), a limit slot (12) is provided at the opening of the chip holding body (1), and the limit block (211) and the limit slot (12) form a snap fit.

6. The porous pencil sharpener according to claim 2, characterized in that: The cutting mechanism (2) is provided with a flap mechanism (3) for preventing chips from spilling out of the cutting hole (2211); the flap mechanism (3) is detachably connected to the connecting shell (21).

7. A multi-hole pencil sharpener according to claim 6, characterized in that: The cover flip mechanism (3) comprises a cover body (31) and a blocking portion (32) for blocking the cutting block (221) from sliding down from the mounting groove (212); the cover body (31) and the blocking portion (32) are rotatably connected, and the blocking portion (32) and the connecting shell (21) are snap-fitted.

8. The porous pencil sharpener according to claim 7, characterized in that: The connection shell (21) is provided with a snap-fitting groove (2173), and the cover body (31) is provided with a snap-fitting block (311), and the snap-fitting block (311) and the snap-fitting groove (2173) form a snap-fitting fit.

9. The porous pencil sharpener according to claim 7, characterized in that: A limiting hole (324) and a chip removal rod (325) for pressing down the chips near the blade (222) are coaxially arranged on the blocking portion (32) and the connecting shell (21); the chip removal rod (325) is plug-fitted with the limiting hole (324); and the chip removal rod (325) is arranged on one side of the chip removal direction of the cutting unit (22).

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