CN217969057U - Pencil feeding mechanism and pencil sharpener with same - Google Patents
Pencil feeding mechanism and pencil sharpener with same Download PDFInfo
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- CN217969057U CN217969057U CN202222228275.3U CN202222228275U CN217969057U CN 217969057 U CN217969057 U CN 217969057U CN 202222228275 U CN202222228275 U CN 202222228275U CN 217969057 U CN217969057 U CN 217969057U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pen feeding mechanism, including first casing, second casing, first pen subassembly and the second pen subassembly of advancing, first pen subassembly and the second of advancing all dispose by first casing with second casing lid closes in the space that forms, first pen subassembly of advancing for first casing or the second casing is followed the pencil and is advanced the direction and swing between an initial position and a clamping position the clamping position is last, first pen subassembly of advancing with the second advances to form the centre gripping clearance that is used for the centre gripping pencil between the pen subassembly. The utility model also provides a ware of cutting of having above-mentioned pen mechanism of advancing. The utility model provides an adopt a new action mode's a mechanism that advances, it advances a direction reciprocating swing along the pencil including advancing a subassembly promptly to advance a subassembly for another and form the centre gripping clearance of centre gripping pencil.
Description
Technical Field
The utility model relates to a cut a ware technical field, more specifically say, relate to an advance a mechanism and have its ware of cutting.
Background
In the automatic pencil sharpener or the manual pencil sharpener, a pencil feeding mechanism is arranged at most of the pencil feeding hole position and is used for abutting against the periphery of a pencil to form clamping force so as to prevent the pencil from rotating along with the rotation of a tool rest to generate idle rotation.
Regarding the pen feeding mechanism, the design ideas in the prior art are roughly divided into two types, one type is such as that disclosed in patent CN 212353400U or CN 212289323U, a plurality of linear slider structures are annularly distributed on a horizontal plane by taking a pen feeding hole as a center, and the plurality of linear slider structures approach to the center under the action of a spring to form clamping force; the other type is that in CN 213261775U, a plurality of swing clamping block structures are distributed on a horizontal plane in an annular mode with a pen inlet hole as a center, the plurality of swing clamping block structures swing towards the center in a spiral mode to form clamping force under the action of an elastic piece, or the type disclosed in CN 214606830U is adopted, two clamping assemblies swing symmetrically on the horizontal plane are adopted, and the middle portions of the two clamping assemblies are close to form clamping force under the action of the elastic piece.
The pen feeding mechanisms in the above patents all adopt a scheme that the pen feeding direction is perpendicular to the action direction of the pen feeding mechanism, that is, the pen feeding mechanism acts on a horizontal plane to form a clamping scheme.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides an adopt a new action mode's a mechanism that advances, it including at least one advance a subassembly along pencil direction reciprocating swing that advances promptly to advance a subassembly and form the centre gripping clearance of centre gripping pencil for another.
The utility model also provides a ware of cutting of having above-mentioned pen mechanism of advancing.
The utility model adopts the technical proposal that: the utility model provides a pen feeding mechanism, including first casing, second casing, first pen feeding subassembly and second pen feeding subassembly all dispose by first casing with the space that the second casing lid closed and form, first pen feeding subassembly for first casing or the second casing is followed the pencil and is advanced the direction and swung between an initial position and a clamping position, in the clamping position, first pen feeding subassembly with the second pen feeding subassembly between form the centre gripping clearance that is used for centre gripping pencil.
After the structure more than adopting, the utility model has the advantages of it is following: when the pencil is fed, the first pencil feeding assembly swings along the direction of the entering of the pencil point, and the gap between the first pencil feeding assembly and the second pencil feeding assembly is gradually enlarged compared with the gap between the first pencil feeding assembly and the second pencil feeding assembly until the first pencil feeding assembly swings to the clamping position to form the clamping gap matched with the pencil body. The clamping device is simple in structure and high in transmission efficiency, and saves more labor compared with a scheme of acting on a horizontal plane to form clamping in the prior art.
According to an embodiment of the present invention, the first pen feeding assembly includes a first swing arm, a first guide wheel, and a first elastic member, the first guide wheel is rotatably mounted at one end of the first swing arm, the other end of the first swing arm is rotatably connected to the first housing or the second housing, the first elastic member is disposed between the first swing arm and the first housing or the second housing, and the first elastic member has an elastic tendency to keep the first swing arm at the initial position; the friction between pencil and the first pen clamping assembly when advancing and retreating the pen can be reduced to the setting of first guide wheel to conveniently move back a pen.
According to an embodiment of the present invention, the first housing has a first cantilever portion, and the first swing arm is pivoted to the first cantilever portion; one end of the first swing arm, which is far away from the first cantilever part, swings up and down by taking the pivoting part as an axis.
According to an embodiment of the present invention, the second pencil feeding assembly swings in a pencil feeding direction with respect to the first casing or the second casing; the first pencil feeding assembly and the second pencil feeding assembly can swing synchronously, and the two sides of the pencil are stressed uniformly when the pencil is inserted into the pencil feeding assembly, so that the pencil is always kept centered.
According to an embodiment of the present invention, the second pen feeding assembly includes a second swing arm, a second guide wheel and a second elastic member, the second guide wheel is rotatably mounted at one end of the second swing arm, the other end of the second swing arm is rotatably connected to the first housing or the second housing, the second elastic member is disposed between the second swing arm and the first housing or the second housing, and the second elastic member has an elastic tendency to keep the second swing arm at the initial position; the friction between the pencil and the second pen clamping assembly can be reduced when the second guide wheel is arranged to advance and retreat the pencil, and the first guide wheel and the second guide wheel synchronously rotate in the opposite direction when the pencil is retreated, so that the damping sense generated by the pencil is avoided.
According to an embodiment of the present invention, the second housing has a second cantilever portion, and the second swing arm is pivoted to the second cantilever portion; one end of the second swing arm far away from the second cantilever part swings up and down by taking the pivot part as an axis.
According to an embodiment of the present invention, the first guide wheel and/or the second guide wheel is made of a rubber material.
According to an embodiment of the invention, the first elastic member and/or the second elastic member is a spring.
A pencil sharpener comprises a pencil sharpening tool rest and any pencil feeding mechanism.
According to an embodiment of the present invention, the pencil sharpener further comprises an automatic driving assembly for driving the pencil sharpener holder to rotate relative to the first housing and/or the second housing of the pencil feeding mechanism.
Drawings
FIG. 1 is a perspective view of a pen feeding mechanism in an embodiment of the present invention;
FIG. 2 is a partial sectional view of a pen feeding mechanism according to an embodiment of the present invention;
FIG. 3 is a partial structural view of a pen feeding mechanism according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of the pen feeding mechanism according to the embodiment of the present invention after the pen is fed;
FIG. 5 is a schematic structural view of a pen feeding mechanism according to an embodiment of the present invention;
FIG. 6 is a partial structural view of a pencil sharpener according to an embodiment of the present invention;
FIG. 7 is a partial top view of an embodiment of the present invention;
fig. 8 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 7.
The reference numbers in the figures illustrate:
1. a first housing; 2. a second housing; 3. a first pen feeding assembly; 4. a second pen feeding assembly; 5. a pencil sharpening holder; 6. an automatic drive assembly;
11. a first cantilever portion; 12. a second cantilever portion; 13. a pen inlet hole;
21. a pen outlet hole;
31. a first swing arm; 32. a first guide wheel; 33. a first elastic member;
41. a second swing arm; 42. a second guide wheel; 43. a second elastic member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
With reference to fig. 1 and fig. 2, the present embodiment provides a pen feeding mechanism, which includes a first housing 1, a second housing 2, a first pen feeding assembly 3 and a second pen feeding assembly 4, where the first pen feeding assembly 3 and the second pen feeding assembly 4 are both disposed in a space formed by covering the first housing 1 and the second housing 2, the first pen feeding assembly 3 swings between an initial position and a clamping position along a pencil feeding direction with respect to the first housing 1 or the second housing 2, and at the clamping position, a clamping gap for clamping a pencil is formed between the first pen feeding assembly 3 and the second pen feeding assembly 4.
Further, the first housing 1 and the second housing 2 cover to form a relatively closed space. In the present embodiment, the first casing 1 is an upper cover, and the second casing 2 is a lower cover. Referring to fig. 2, the first housing 1 and the second housing 2 at least have a passage for the pencil to pass through, that is, a pencil inlet hole 13 is provided on the first housing 1, and a pencil outlet hole 21 is provided on the second housing 2, wherein the pencil outlet hole 21 can be used for connecting the pencil sharpener 5. When the pencil is fed, the pencil point sequentially passes through the pencil feeding hole 13, the relatively closed space and the pencil discharging hole 21 until the pencil point enters the pencil sharpening tool rest 5 to perform pencil sharpening operation.
Further, as shown in FIG. 2, the first pen advancing assembly 3 is in an initial position with a minimum clearance relative to the second pen advancing assembly 4. When the first pencil feeding assembly 3 swings along the pencil feeding direction, the gap gradually expands until a clamping gap matched with the pencil body is formed, and at the moment, the first pencil feeding assembly 3 is located at the clamping position. The outer diameters of the pencil bodies of different pencils are different, and the clamping position of the first pencil feeding assembly 3 is also different.
Further, in the present embodiment, the pencil is fed from top to bottom, and the gap between the first feeding assembly 3 and the second clamping assembly is centered around the center line of the feeding hole 13.
Specifically, the first pen feeding assembly 3 includes a first swing arm 31, a first guide wheel 32, and a first elastic member 33, wherein the first guide wheel 32 is rotatably mounted at one end of the first swing arm 31, the other end of the first swing arm 31 is rotatably connected to the first housing 1 or the second housing 2, the first elastic member 33 is disposed between the first swing arm 31 and the first housing 1 or the second housing 2, and the first elastic member 33 has an elastic tendency to keep the first swing arm 31 at the initial position.
Further, in the initial position, the first swing arm 31 is horizontally disposed by the first elastic member 33. The first elastic member 33 is a spring, more specifically, a tension spring, and has an upper end connected to the first housing 1 and a lower end connected to the center of the first swing arm 31.
Further, in another embodiment, the first elastic member 33 is a spring, more specifically, a compression spring, and has a lower end connected to the second housing 2 and an upper end connected to the center of the first swing arm 31.
Further, the rotation axis of the first guide wheel 32 is horizontally arranged, and the wheel surface of the first guide wheel 32 and the pen body rub to generate relative rotation when the pen is fed.
Specifically, the first casing 1 has a first cantilever portion 11 thereon, and the first swing arm 31 is pivoted on the first cantilever portion 11.
Further, the first cantilever portion 11 is formed by extending the inner wall of the first housing 1 downward, and one end of the first swing arm 31 away from the first guide wheel 32 is pivotally connected to the first cantilever portion 11 along a horizontal axis.
Further, in another embodiment, the first cantilever portion 11 is formed by extending upward from the inner wall of the second housing 2.
Specifically, the second pen feeding assembly 4 swings in the pencil feeding direction relative to the first housing 1 or the second housing 2.
Further, as shown in fig. 3 and 4, in the present embodiment, the first pencil feeding assembly 3 and the second pencil feeding assembly 4 can swing synchronously, and when a pencil is inserted into the pencil, the two sides of the pencil are uniformly stressed, so that the pencil is always centered.
Specifically, as shown in fig. 5, the second pen feeding assembly 4 includes a second swing arm 41, a second guide wheel 42, and a second elastic member 43, the second guide wheel 42 is rotatably mounted at one end of the second swing arm 41, the other end of the second swing arm 41 is rotatably connected to the first housing 1 or the second housing 2, the second elastic member 43 is disposed between the second swing arm 41 and the first housing 1 or the second housing 2, and the second elastic member 43 has an elastic tendency to keep the second swing arm 41 at the initial position.
Further, the first pen feeding assembly 3 and the second pen feeding assembly 4 are symmetrically arranged with a middle vertical plane of the pen feeding hole 13. Therefore, in the initial position, the second swing arm 41 is horizontally disposed under the action of the second elastic member 43. The second elastic member 43 is a spring, and its upper end is connected to the first housing 1 and its lower end is connected to the center of the second swing arm 41. When in the clamping position, one end of the first swing arm 31 close to the first guide wheel 32 swings downwards, and one end of the second swing arm 41 close to the second guide wheel 42 swings downwards synchronously, so that a clamping gap is formed between the first guide wheel 32 and the second guide wheel 42, and the first elastic piece 33 and the second elastic piece 43 deform in the process. Continuing with the pen, the first guide wheel 32 and the second guide wheel 42 rotate synchronously and in opposite directions.
Further, the first guide wheel 32 and the second guide wheel 42 rotate synchronously and reversely during withdrawing the pencil until the pencil body is separated from the clamping gap, and the first swing arm 31 and the second swing arm 41 swing to the initial position under the action of the first elastic piece 33 and the second elastic piece 43.
Further, in another embodiment, the second elastic member 43 is a coil spring, and the lower end thereof is connected to the second housing 2 and the upper end thereof is connected to the center of the second swing arm 41.
Specifically, the second casing 2 has a second cantilever portion 12, and the second swing arm 41 is pivoted on the second cantilever portion 12.
Further, the second cantilever portion 12 is formed by extending the inner wall of the first housing 1 downward, and one end of the second swing arm 41 away from the second guide wheel 42 is pivotally connected to the second cantilever portion 12 along a horizontal axis.
Further, in another embodiment, the second cantilever portion 12 is formed by extending upward from the inner wall of the second housing 2.
Specifically, the first guide wheel 32 and/or the second guide wheel 42 are made of a rubber material.
In another embodiment, shown in connection with fig. 6-8, a sharpener is provided that includes a sharpener holder 5 and a feeding mechanism as described in this embodiment.
Further, the penknife holder 5 comprises a straight blade holder and a hob holder.
In particular, the sharpener further comprises an automatic drive assembly 6 for driving the sharpener carriage 5 in rotation relative to the first housing 1 and/or the second housing 2 of the pencil feeding mechanism.
Further, as shown in fig. 8, the automatic driving assembly 6 includes a motor, a gear set and a coupler, the motor drives the multi-stage gear set to rotate, a gear located at the last stage of the multi-stage gear set coaxially drives the coupler to rotate, and the coupler is used for connecting the pencil sharpener rack 5 and transmitting torque to drive the pencil sharpener rack 5 to rotate. The pencil sharpening holder 5 performs a sharpening operation with respect to the rotation of the pencil in the rotation process to realize the function of automatic pencil sharpening.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides an advance a mechanism, including first casing (1), second casing (2), first advance a subassembly (3) and second advance a subassembly (4) and all dispose in by first casing (1) and second casing (2) lid close the space that forms, its characterized in that: the first pencil feeding assembly (3) swings relative to the first shell (1) or the second shell (2) along a pencil feeding direction between an initial position and a clamping position, and a clamping gap for clamping a pencil is formed between the first pencil feeding assembly (3) and the second pencil feeding assembly (4) at the clamping position.
2. A pen feeding mechanism as claimed in claim 1, wherein: the first pen feeding assembly (3) comprises a first swing arm (31), a first guide wheel (32) and a first elastic piece (33), the first guide wheel (32) is rotatably installed at one end of the first swing arm (31), the other end of the first swing arm (31) is rotatably connected with the first shell (1) or the second shell (2), the first elastic piece (33) is arranged between the first swing arm (31) and the first shell (1) or the second shell (2), and the first elastic piece (33) has an elastic tendency of keeping the first swing arm (31) at the initial position.
3. A pen feeding mechanism as claimed in claim 2, wherein: the first shell (1) is provided with a first cantilever part (11), and the first swing arm (31) is pivoted on the first cantilever part (11).
4. A pen feeding mechanism as claimed in claim 2, wherein: the second pencil feeding assembly (4) swings relative to the first shell (1) or the second shell (2) along a pencil feeding direction.
5. The advancing mechanism of claim 4, characterized in that: the second pen feeding assembly (4) comprises a second swing arm (41), a second guide wheel (42) and a second elastic piece (43), the second guide wheel (42) is rotatably installed at one end of the second swing arm (41), the other end of the second swing arm (41) is rotatably connected with the first shell (1) or the second shell (2), the second elastic piece (43) is arranged between the second swing arm (41) and the first shell (1) or the second shell (2), and the second elastic piece (43) has an elastic tendency of keeping the second swing arm (41) at the initial position.
6. The advancing mechanism of claim 5, characterized in that: the second shell (2) is provided with a second cantilever part (12), and the second swing arm (41) is pivoted on the second cantilever part (12).
7. The advancing mechanism of claim 5, characterized in that: the first guide wheel (32) and/or the second guide wheel (42) are made of rubber materials.
8. The advancing mechanism of claim 5, characterized in that: the first elastic member (33) and/or the second elastic member (43) is a spring.
9. A pencil sharpener is characterized in that: comprising a penknife holder (5) and a pencil feed mechanism according to any of claims 1-8.
10. The sharpener of claim 9 wherein: the pencil sharpener comprises a pencil sharpener frame (5) and is characterized by further comprising an automatic driving assembly (6) which is used for driving the pencil sharpener frame (5) to rotate relative to a first shell (1) and/or a second shell (2) in the pencil feeding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222228275.3U CN217969057U (en) | 2022-08-23 | 2022-08-23 | Pencil feeding mechanism and pencil sharpener with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222228275.3U CN217969057U (en) | 2022-08-23 | 2022-08-23 | Pencil feeding mechanism and pencil sharpener with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217969057U true CN217969057U (en) | 2022-12-06 |
Family
ID=84259498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222228275.3U Active CN217969057U (en) | 2022-08-23 | 2022-08-23 | Pencil feeding mechanism and pencil sharpener with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217969057U (en) |
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2022
- 2022-08-23 CN CN202222228275.3U patent/CN217969057U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO TIANHONG STATIONERY Co.,Ltd. Assignor: Ningbo Tiantian Stationery Co.,Ltd. Contract record no.: X2024330000354 Denomination of utility model: A pen insertion mechanism and a pencil sharpener with it Granted publication date: 20221206 License type: Common License Record date: 20240806 |