CN210591164U - Structure for replacing core of electric pencil sharpener - Google Patents
Structure for replacing core of electric pencil sharpener Download PDFInfo
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- CN210591164U CN210591164U CN201921276121.3U CN201921276121U CN210591164U CN 210591164 U CN210591164 U CN 210591164U CN 201921276121 U CN201921276121 U CN 201921276121U CN 210591164 U CN210591164 U CN 210591164U
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- annular boss
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- upper cover
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Abstract
The utility model discloses an electronic pencil sharpener replacement sword core structure, including upper cover (1), button (2) and sword core (3), establish in upper cover (1) button (2), just the center of upper cover (1) and button (2) is equipped with a pencil sharpener passageway, the import of sword core (3) is aligned with the export of a pencil sharpener passageway, its characterized in that: the utility model discloses a cutter core, including upper cover (1), be equipped with first annular boss (1.1) in the centre bore of upper cover (1), first annular boss (1.1) axial is spacing between first limit structure and second limit structure, the second axial limit structure of sword core (3) radially contracts when button (2) apical movement first annular boss (1.1) radially opens simultaneously, and the external diameter of the second axial limit structure of radial contraction is less than the internal diameter of radial open first annular boss (1.1). The structure can extrude the old knife core by pressing the button on the top of the upper cover without directly contacting the old knife core by hands, so that the operation is simple and convenient.
Description
Technical Field
The utility model relates to a study article apparatus technical field specifically says a core structure is replaced to electronic pencil sharpener.
Background
The utility model provides an electronic pencil sharpener replacement sword core structure, including upper cover, button and sword core, the button is established in the upper cover, just the center of upper cover and button is equipped with the pencil sharpener passageway, the import of sword core aligns with the export of pencil sharpener passageway. When in use, the pen is inserted into the cutter core from the inlet of the pen rolling channel and then rotated to complete the pen rolling. When the long-term use, when needing to change the core, need the bare-handed user to stretch into the blade holder and take out old core, not only the operation is complicated like this, but also can make the finger be stained with the refill ash, thereby dirty hand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a trade old refill and need not directly contact with the hand, press the button at the upper cover top and can extrude old refill, make easy and simple to handle's electronic pencil sharpener replacement refill structure.
The technical scheme of the utility model is, provide an electronic pencil sharpener replacement sword core structure with following structure, including upper cover, button and sword core, the button is established in the upper cover, just the center of upper cover and button is equipped with a roll up a passageway, the import of sword core is aligned with the export of a roll up passageway, be equipped with radial open first annular boss in the centre bore of upper cover, the outer wall of sword core is equipped with first axial limit structure and second axial limit structure, first annular boss axial is spacing between first limit structure and second limit structure, radial shrink first annular boss radially opens simultaneously when the button top is moved to the second axial limit structure of sword core, and radial shrink's second axial limit structure's external diameter is less than the internal diameter of radial open first annular boss.
The first axial limiting structure is provided with a second annular boss which is arranged radially outwards on the outer wall of the upper part of the cutter core, the outer diameter of the second annular boss is larger than the diameter of an inner hole of the first annular boss, and the second annular boss abuts against the inner end of the first annular boss.
As an improvement, the second axial limiting structure is that at least one elastic sheet which is distributed along the axial direction is arranged on the outer wall of the upper part of the cutter core, the end part of the free end of each elastic sheet is provided with a radially inward buckle, all the buckles are positioned in the same circumference, the diameter of the outermost side of all the buckles is larger than the inner diameter of the first annular boss, and the diameter of the outermost side of all the buckles which contract in the radial direction is smaller than the inner diameter of the first annular boss which expands in the radial direction. The normal condition buckle is detained at first annular boss.
As an improvement, a spring is arranged in the button, one end of the spring is abutted against the inner bottom surface of the button, the other end of the spring is abutted against the end surface of the first annular boss, and the button is kept to be spaced from the cutter core through the spring.
As an improvement, the side wall of the first annular boss is provided with at least one groove and extends to the side wall of the body of the upper cover.
As an improvement, the inner side of the end face, facing the buckle, of the first annular boss is an inclined plane.
After the structure more than adopting, the utility model has the advantages of it is following: under normal conditions the first annular boss is axially limited between the first limiting structure and the second limiting structure, so that the cutter core is axially limited on the upper cover. When the cutter core is required to be disassembled, the second axial limiting structure of the cutter core radially shrinks and the first annular boss radially expands when the button is pushed, the outer diameter of the radially shrunk second axial limiting structure is smaller than the inner diameter of the radially expanded first annular boss, so that the radially shrunk second axial limiting structure is separated from the inner diameter of the radially expanded first annular boss, the cutter core is separated from the upper cover, the structure is simple, the disassembly is convenient, the cutter core which is used for replacing is not required to be directly contacted with hands, the old cutter core can be extruded by pressing the button at the top of the upper cover, and the operation is simple and convenient.
As an improvement, the first axial limiting structure is provided with a second annular boss which is arranged on the outer wall of the upper part of the cutter core and is outward in the radial direction, the outer diameter of the second annular boss is larger than the diameter of an inner hole of the first annular boss, and the second annular boss abuts against the inner end of the first annular boss, so that the cutter core and the upper cover are limited in the axial direction.
As an improvement, the second axial limiting structure is that at least one elastic sheet which is distributed along the axial direction is arranged on the outer wall of the upper part of the cutter core, the end part of the free end of each elastic sheet is provided with a radially inward buckle, all the buckles are positioned in the same circumference, the diameter of the outermost side of all the buckles is larger than the inner diameter of the first annular boss, and the diameter of the outermost side of all the buckles which contract in the radial direction is smaller than the inner diameter of the first annular boss which expands in the radial direction. The normal condition buckle is detained at first annular boss, when dismantling the refill, and all buckles of radial shrink to make the buckle break away from the hole of first annular boss, thereby make refill and upper cover separation, simple structure, it is convenient to dismantle.
As an improvement, a spring is arranged in the button, one end of the spring is abutted against the inner bottom surface of the button, the other end of the spring is abutted against the end surface of the first annular boss, the button is kept to be spaced from the cutter core through the spring, the button is used for resetting, and the operation is more convenient.
As an improvement, the side wall of the first annular boss is provided with at least one groove and extends to the side wall of the body of the upper cover, so that the first annular boss can be radially expanded, and the buckle can penetrate through the inner hole of the first annular boss.
As an improvement, the inner side of the end face, facing the buckle, of the first annular boss is an inclined plane, so that the buckle and the first annular boss are convenient to separate.
Drawings
Fig. 1 is a schematic view of an exploded view of the electric pencil sharpener replacing the sharpener core structure of the present invention.
Fig. 2 is a schematic view of the perspective view of the exploded view of the electric pencil sharpener replacing the sharpener core structure of the present invention.
Fig. 3 is a schematic sectional view of the structure of the electric pencil sharpener for replacing the sharpener core according to the present invention.
Fig. 4 is a schematic view of the explosion section of the electric pencil sharpener replacing the sharpener core structure of the present invention.
Fig. 5 is a schematic cross-sectional view of the structure of the electric pencil sharpener for replacing the sharpener core of the present invention.
Shown in the figure:
1. upper cover, 1.1, first annular boss, 1.2, recess, 2, button, 3, the sword core, 3.1, second annular boss, 3.2, flexure strip, 3.3, buckle, 4, spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-5, the utility model discloses an electronic pencil sharpener replaces refill structure, including upper cover 1, button 2 and refill 3, button 2 is established in upper cover 1, just upper cover 1 and button 2's center is equipped with the pencil sharpener passageway, the import of refill 3 aligns with the export of pencil sharpener passageway, its characterized in that: be equipped with radial open first annular boss 1.1 in the centre bore of upper cover 1, the outer wall of sword core 3 is equipped with first axial limit structure and second axial limit structure, first annular boss 1.1 axial is spacing between first limit structure and second limit structure, the radial shrink of the second axial limit structure of sword core 3 is first annular boss 1.1 radial opening simultaneously when button 2 apical movement, and the external diameter of the second axial limit structure of radial shrink is less than the internal diameter of radial open first annular boss 1.1.
The first axial limiting structure is provided with a second annular boss 3.1 which is arranged radially outwards on the outer wall of the upper part of the cutter core 3, and the outer diameter of the second annular boss 3.1 is larger than the inner hole diameter of the first annular boss 1.1.
The second axial limiting structure is at least provided with one elastic piece 3.2 which is distributed along the axial direction and is arranged on the outer wall of the upper part of the cutter core 3, the number of the elastic pieces 3.2 is two, the elastic piece 3.2 is one part of the outer wall of the upper part of the cutter core 3, and the left side and the right side of the elastic piece 3.2 are notches, so that the free end of the elastic piece 3.2 can swing in the radial direction. The free end of the elastic sheet 3.2 is provided with a radially inward buckle 3.3, and when the free end of the elastic sheet 3.2 is stressed to contract radially, the buckle 3.2 also contracts radially synchronously.
All buckles 3.3 are located same circumference and the diameter of all buckles 3.3 outermost side is greater than the internal diameter of first annular boss 1.1, and the knife core 3 installation state, buckle 3.3 all block on the mesa of first annular boss 1.1. When dismantling, button 2 is inside to push up the sword core 3 promptly, and at this moment, buckle 3.3 receives the hole of first annular boss 1.1 to offset and all radially inwards shrink, and the diameter of all buckles 3.3 outermost sides of radial shrink is less than the internal diameter of radial open first annular boss 1.1 to make buckle 3.3 wear out from the hole of first annular boss 1.1, thereby make sword core 3 and upper cover 1 separation.
Be equipped with spring 4 in the button 2, the one end of spring 4 offsets with the interior bottom surface of button 2, and the other end offsets with the terminal surface of first annular boss 1.1, button 2 keeps having the interval with the refill 3 through spring 4, and at the effect of spring 4, the button is outside all the time to when the refill 3 is dismantled to needs at every turn, it can to press down button 2 inwards.
The lateral wall of first annular boss 1.1 is equipped with at least more than one recess 1.2 and extends to the body lateral wall of upper cover 1 on, increases behind the recess to can first annular boss 1.1 receive buckle 3.3's extrusion, and can radially open, also have certain degree down simultaneously, thereby make buckle 3.3 pass and separate.
The inner side of the end face, facing the buckle 3.3, of the first annular boss 1.1 is an inclined plane, and the inclined plane plays a role in guiding, so that the buckle 3.3 can conveniently penetrate through an inner hole of the first annular boss 1.1.
Claims (6)
1. The utility model provides an electronic pencil sharpener replaces sword core structure, includes upper cover (1), button (2) and sword core (3), establish in upper cover (1) button (2), just the center of upper cover (1) and button (2) is equipped with the pencil sharpener passageway, the import of sword core (3) is aligned with the export of pencil sharpener passageway, its characterized in that: the utility model discloses a cutter core, including upper cover (1), the centre bore of upper cover (1) is equipped with radial open first annular boss (1.1), the outer wall of cutter core (3) is equipped with first axial limit structure and second axial limit structure, first annular boss (1.1) axial is spacing between first limit structure and second limit structure, the second axial limit structure of cutter core (3) radially contracts when button (2) apical movement first annular boss (1.1) radial opening simultaneously, and the external diameter of the second axial limit structure of radial contraction is less than the internal diameter of radial open first annular boss (1.1).
2. The electric sharpener replacement cartridge structure of claim 1, wherein: the first axial limiting structure is provided with a second annular boss (3.1) which is arranged radially outwards for the outer wall of the upper part of the cutter core (3), and the outer diameter of the second annular boss (3.1) is larger than the diameter of an inner hole of the first annular boss (1.1).
3. The electric sharpener replacement cartridge structure of claim 1, wherein: the second axial limiting structure is at least provided with an elastic sheet (3.2) which is distributed along the axial direction and is arranged on the outer wall of the upper portion of the cutter core (3), the end portion of the free end of the elastic sheet (3.2) is provided with a radial inward buckle (3.3), all buckles (3.3) are positioned in the same circumference, the diameter of the outermost side of all buckles (3.3) is larger than the inner diameter of the first annular boss (1.1), and the diameter of the outermost side of all radially contracted buckles (3.3) is smaller than the inner diameter of the first radially expanded annular boss (1.1).
4. The electric sharpener replacement cartridge structure of claim 1, wherein: be equipped with spring (4) in button (2), the one end of spring (4) offsets with the interior bottom surface of button (2), and the other end offsets with the terminal surface of first annular boss (1.1), button (2) keep having the interval with sword core (3) through spring (4).
5. The electric sharpener replacement cartridge structure of claim 1, wherein: the side wall of the first annular boss (1.1) is provided with at least more than one groove (1.2) and extends to the side wall of the body of the upper cover (1).
6. The electric sharpener replacement cartridge structure of claim 1, wherein: the inner side of the end face, facing the buckle (3.3), of the first annular boss (1.1) is an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276121.3U CN210591164U (en) | 2019-08-08 | 2019-08-08 | Structure for replacing core of electric pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276121.3U CN210591164U (en) | 2019-08-08 | 2019-08-08 | Structure for replacing core of electric pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210591164U true CN210591164U (en) | 2020-05-22 |
Family
ID=70690211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276121.3U Active CN210591164U (en) | 2019-08-08 | 2019-08-08 | Structure for replacing core of electric pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210591164U (en) |
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2019
- 2019-08-08 CN CN201921276121.3U patent/CN210591164U/en active Active
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