CN218054672U

CN218054672U - Pencil sharpener capable of being freely combined

Info

Publication number: CN218054672U
Application number: CN202220794376.4U
Authority: CN
Inventors: 高红涛; 陆海平; 宣丽英
Original assignee: Ningbo Little Angel Stationery Co ltd
Current assignee: Ningbo Little Angel Stationery Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-12-16
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a but pencil sharpener of independent assortment, but in this pencil sharpener of independent assortment, the inside cavity of tube-shape fuselage forms the installation cavity, be provided with actuating mechanism and power spare in the installation cavity, and the connector of the adjacent fuselage of aircraft nose arranges, the cutter subassembly that is used for cutting the pencil has, dismouting through first connecting piece and second connecting piece, the dismantlement of fuselage and aircraft nose is connected has been realized, when the aircraft nose assembles on the fuselage, only need hold the pencil and just can rely on actuating mechanism to drive the aircraft nose and rotate and accomplish the automatic cutting to the pencil, and in case meet the condition that special service environment or power spare can't provide the electric energy, only need to dismantle the aircraft nose alone and hold, and operate the pencil and rotate and can accomplish the function of cutting the pencil, consequently no matter be the aircraft nose and the fuselage and assemble together, the pencil sharpener can both normal use, therefore, it is very convenient.

Description

Pencil sharpener capable of being freely combined

Technical Field

The utility model relates to an electronic ware field of cutting, especially, relate to a but pencil sharpener of independent assortment.

Background

The pencil sharpener is a common stationery, and is only used as a basic pencil sharpening tool when the pencil sharpener enters the market at the earliest time, however, with the increase of the use demand of the pencil, people have higher requirements on the pencil sharpening quality and speed of the pencil sharpener, so that the pencil sharpener for the automatic pencil sharpening is developed, and the existing pencil sharpener is generally provided with a larger machine body. When the pencil needs to be sharpened, the machine body needs to be fixed on the table top, and the pencil needs to be inserted into the insertion hole, so that the sharpening action is completed. Although the existing pencil sharpener can finish the function of sharpening a pencil, the pencil sharpener is single in use mode and relatively depends on a fixed table top for supporting, and the pencil sharpener cannot meet the requirements in some special scenes.

Therefore, the chinese utility model with patent number CN202122383348.1 (with publication number CN 215883138U) discloses a portable electric pencil sharpener, which is provided with a battery jar and a motor jar arranged in parallel in a base, thereby shortening the overall length of the electric pencil sharpener, reducing the volume and facilitating the carrying. However, in many use scenes, the whole machine is still not portable enough in assembly, and once the electric part is powered off, the whole machine cannot normally complete cutting action, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a but pencil sharpener of independent assortment, this pencil sharpener can make up or the split is used.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a pencil sharpener capable of being freely combined is characterized by comprising:

the device comprises a machine body, a driving mechanism and a power supply part, wherein the machine body is cylindrical and has a hollow inner cavity to form an installation cavity, the installation cavity is internally provided with the driving mechanism and the power supply part, the power supply part is electrically connected with the driving mechanism, and one end part of the machine body is provided with a connector for exposing the output end of the driving mechanism;

a head disposed adjacent to the connection port of the body and having a cutter assembly for cutting a pencil; and

the pencil sharpener is characterized in that a first connecting piece is arranged on the machine head, a second connecting piece matched with the first connecting piece is arranged at the power output end of the driving mechanism, the machine head and the machine body are detachably connected together through the first connecting piece and the second connecting piece, the machine head and the machine body are in an installation state, and the driving mechanism can drive the machine head to rotate a pencil to be sharpened by taking the axis of the machine body as a shaft.

The machine head comprises a shell, a jack for placing a pencil is formed in the end wall of the first end of the shell, a convex column extends outwards along the axial direction of the shell and forms the first connecting piece, a groove matched with the convex column is formed in the power output end of the driving mechanism, the groove forms the second connecting piece, and the convex column and the groove are connected in an inserting and matching mode.

In order to ensure that the machine head can rotate under the drive of the driving mechanism, a limiting rib is arranged on the outer wall of the convex column, a limiting notch is correspondingly arranged in the groove, the convex column and the groove are in an inserting and matching state, the limiting rib is limited in the limiting notch to limit the relative rotation of the convex column and the groove, and therefore the machine head is linked with the output end of the driving mechanism.

In order to ensure the transmission of power, the drive mechanism preferably comprises a driver and a gearbox, the power input end of the gearbox is connected with the output shaft of the driver, the output end of the gearbox is provided with a connecting end head, and the groove is formed in the end wall of the connecting end head.

Preferably, the end wall of the second end of the housing is a spherical structure which is bent from the first end to the second end of the housing from the middle part to the periphery, and the convex column is arranged in the middle part of the end wall.

In order to implement the cutting action for the pencil, preferably, the cutting blade assembly is disposed in the casing, and includes a blade holder and a blade disposed on the blade holder, the blade holder extends along the axial direction of the casing, and has a hole for the pencil to be inserted, the hole is disposed opposite to the insertion hole of the casing, and a cutting opening is disposed on the hole wall of the hole, and the blade is disposed at the cutting opening.

In order to facilitate the installation of the tool holder, preferably, the housing is provided with a mounting seat on the inner wall far away from the insertion hole, the insertion hole extends into the housing to form a limiting flange, and two ends of the tool holder are limited between the limiting flange and the mounting seat.

Specifically, the aperture of the duct gradually decreases from one end adjacent to the limiting rib to one end adjacent to the mounting seat.

In order to facilitate the pencil to pop up after being cut, preferably, the mounting seat is further provided with an elastic supporting structure, and an output end of the elastic supporting structure extends into the pore channel to act on the pencil to be cut, so that the pencil located in the pore channel always has a tendency of popping up outwards.

Specifically, still be provided with the switch on the fuselage, actuating mechanism passes through this switch and power supply unit electric connection.

Compared with the prior art, the utility model has the advantages of: in this but among the pencil sharpener of independent assortment, dismouting through first connecting piece and second connecting piece, the dismantlement of fuselage and aircraft nose in the pencil sharpener has been realized and has been connected, when the aircraft nose assembles on the fuselage, only need hold the pencil and just can rely on actuating mechanism to drive the aircraft nose and rotate and accomplish the automatic cutting to the pencil, and in case meet the condition that special service environment or power spare can't provide the electric energy, only need dismantle the aircraft nose alone and hold, and the function of cutting the pencil can be accomplished in the operation pencil rotation, therefore no matter whether aircraft nose and fuselage assemble together, the pencil sharpener can both normal use, therefore it is very convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of a pencil sharpener according to an embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1;

FIG. 3 is an overall schematic view of the fuselage;

FIG. 4 is a schematic sectional view of the whole structure of the pencil sharpener of the embodiment of the present invention;

fig. 5 is an overall sectional view of the handpiece.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, in this embodiment, the freely combinable pencil sharpener includes a main body 1 and a head 2. In this embodiment, the main body 1 is cylindrical and has a hollow interior forming an installation cavity 10, the installation cavity 10 is internally provided with the driving mechanism 3 and the power supply element 4, and the power supply element 4 mentioned here supplies energy to the driving mechanism 3, so that the power supply element 4 is electrically connected with the driving mechanism 3. Further, a switch 11 is provided on the body 1, and the drive mechanism 3 is electrically connected to the power source element 4 through the switch 11.

In order to ensure the power output of the driving mechanism, one end of the machine body 1 is provided with a connecting port 1a for exposing the output end of the driving mechanism 3. The head 2 has a cutter unit 21 for cutting a pencil, and the head 2 is disposed adjacent to the connection port 1a of the body 1 so as to be rotatable with respect to the body 1 by the driving mechanism 3. Of course, in different use states, the machine head 2 and the machine body 1 can be selectively assembled together for use, or the machine head 2 can be disassembled for separate use, and the disassembly and the assembly of the machine head 2 and the machine body 1 are realized by two mutually adaptive connecting pieces. The first connecting piece is arranged on the machine head 2 in the embodiment, the second connecting piece is arranged at the power output end of the driving mechanism 3, the machine head 2 can be detachably arranged on the machine body 1 through the first connecting piece and the second connecting piece in a dismounting mode, and the driving mechanism 3 can drive the machine head 2 to rotate the pencil 100 to be cut by taking the axis of the machine body 1 as the axis when the machine head 2 and the machine body 1 are in an installation state.

Certainly, the first connecting piece and the second connecting piece can be disassembled and assembled in different specific forms, in this embodiment, the machine head 2 includes a housing 23, the end wall of the first end of the housing 23 is provided with an insertion hole 22 for placing a pencil, the end wall of the second end of the housing 23 extends outwards along the axial direction of the housing 23 to form a convex column 51, the convex column 51 forms the first connecting piece, the power output end of the driving mechanism 3 is provided with a groove 52 adapted to the convex column 51, the groove 52 forms the second connecting piece, and the convex column 51 and the groove 52 are connected in an inserting and matching manner. In addition, the end wall of the second end of the housing 23 is a spherical structure that is curved from the first end to the second end of the housing 23 from the middle to the periphery, and the convex column 51 is disposed in the middle of the end wall. In this embodiment, the outer wall of the convex pillar 51 has a limiting rib 53, the concave groove 52 is correspondingly provided with a limiting notch 54, and when the convex pillar 51 and the concave groove 52 are in the insertion state, the limiting rib 53 is limited in the limiting notch 54 to limit the relative rotation of the convex pillar 51 and the concave groove 52, so that the output end of the driving mechanism 3 is linked with the handpiece 2.

In the present embodiment, the driving mechanism 3 includes a driver 31 and a transmission case 32, a power input end of the transmission case 32 is connected with an output shaft of the driver 31, an output end of the transmission case has a connection end 33, and the groove 52 is opened on an end wall of the connection end 33.

Of course, there are many structures for cutting the pencil, and the cutting assembly 21 in this embodiment is disposed in the housing 23 and includes a tool holder 24 and a blade 25 disposed on the tool holder 24, the tool holder 24 extends along the axial direction of the housing 23 and has a hole 26 for inserting the pencil, the hole 26 is disposed opposite to the insertion hole 22 of the housing 23, and the hole wall thereof is provided with the cutting opening 20, and the blade 25 is disposed at the cutting opening 20. Specifically, the housing 23 is provided with a mounting seat 27 on an inner wall far from the insertion hole 22, a limit rib 28 extends into the housing 23 at the insertion hole 22, and both ends of the tool holder 24 are limited between the limit rib 28 and the mounting seat 27. The bore of the bore 26 decreases from the end adjacent the retaining rib 28 to the end adjacent the mounting seat 27. In addition, in order to ensure that the cut pencil can be ejected, the mounting seat 27 is further provided with an elastic supporting structure 29, and an output end of the elastic supporting structure 29 extends into the hole 26 to act on the pencil 100 to be cut, so that the pencil positioned in the hole 26 always has a tendency of being ejected outwards.

Furthermore, directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural parts and elements of the present invention, but these terms are used herein only for convenience of description and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A pencil sharpener capable of being freely combined is characterized by comprising:

the device comprises a machine body (1) which is cylindrical and is hollow inside to form a mounting cavity (10), wherein a driving mechanism (3) and a power supply part (4) are arranged in the mounting cavity (10), the power supply part (4) is electrically connected with the driving mechanism (3), and one end of the machine body (1) is provided with a connecting port (1 a) for exposing the output end of the driving mechanism (3);

a head (2) disposed adjacent to the connection port (1 a) of the body (1) and having a cutter unit (21) for cutting a pencil;

the pencil sharpener is characterized in that a first connecting piece is arranged on the machine head (2), a second connecting piece matched with the first connecting piece is arranged at the power output end of the driving mechanism (3), the machine head (2) and the machine body (1) are detachably connected together through the first connecting piece and the second connecting piece, the machine head (2) and the machine body (1) are in an installation state, and the driving mechanism (3) can drive the machine head (2) to rotate about the axis of the machine body (1) as a shaft for the pencil sharpener (100).

2. The pencil sharpener of claim 1, wherein: the machine head (2) comprises a shell (23), a jack (22) for placing a pencil is formed in the end wall of the first end of the shell (23), a convex column (51) extends outwards along the axial direction of the shell (23) from the end wall of the second end of the shell (23), the convex column (51) forms the first connecting piece, a groove (52) matched with the convex column (51) is formed in the power output end of the driving mechanism (3), the groove (52) forms the second connecting piece, and the convex column (51) is connected with the groove (52) in an inserting and matching mode.

3. The pencil sharpener of claim 2, wherein: the outer wall of the convex column (51) is provided with a limiting rib (53), a limiting notch (54) is correspondingly arranged in the groove (52), the convex column (51) and the groove (52) are in an inserting and matching state, the limiting rib (53) is limited in the limiting notch (54) to limit the relative rotation of the convex column (51) and the groove (52), and therefore the machine head (2) is linked with the output end of the driving mechanism (3).

4. The pencil sharpener of claim 3, wherein: the driving mechanism (3) comprises a driver (31) and a gearbox (32), the power input end of the gearbox (32) is connected with the output shaft of the driver (31), the output end of the gearbox (32) is provided with a connecting end (33), and the groove (52) is formed in the end wall of the connecting end (33).

5. The pencil sharpener of claim 4, wherein: the end wall of the second end of the shell (23) is of a spherical structure which is bent from the first end to the second end of the shell (23) from the middle part to the periphery, and the convex column (51) is arranged in the middle part of the end wall.

6. The pencil sharpener of any one of claims 2-5, wherein: the pencil sharpener is characterized in that the cutter component (21) is arranged in the shell (23) and comprises a cutter frame (24) and a blade (25) arranged on the cutter frame (24), the cutter frame (24) extends along the axial direction of the shell (23) and is provided with a hole (26) for inserting a pencil, the hole (26) is arranged opposite to the insertion hole (22) of the shell (23), a sharpening opening (20) is formed in the hole wall of the hole, and the blade (25) is arranged at the sharpening opening (20).

7. The pencil sharpener of claim 6, wherein: the outer shell (23) is provided with a mounting seat (27) on the inner wall far away from the jack (22), the jack (22) extends to the inside of the outer shell (23) to form a limiting flange (28), and two ends of the tool rest (24) are limited between the limiting flange (28) and the mounting seat (27).

8. The pencil sharpener of claim 7, wherein: the aperture of the pore canal (26) is gradually reduced from one end adjacent to the limit rib (28) to one end adjacent to the mounting seat (27).

9. The pencil sharpener of claim 8, wherein: an elastic supporting structure (29) is further arranged on the mounting seat (27), and the output end of the elastic supporting structure (29) extends into the hole (26) to act on the pencil (100) to be cut, so that the pencil in the hole (26) always has the tendency of popping outwards.

10. The pencil sharpener of claim 1, wherein: the machine body (1) is further provided with a switch (11), and the driving mechanism (3) is electrically connected with the power supply piece (4) through the switch (11).