CN213261774U - Pencil feeding mechanism of pencil sharpener - Google Patents
Pencil feeding mechanism of pencil sharpener Download PDFInfo
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- CN213261774U CN213261774U CN202021866825.9U CN202021866825U CN213261774U CN 213261774 U CN213261774 U CN 213261774U CN 202021866825 U CN202021866825 U CN 202021866825U CN 213261774 U CN213261774 U CN 213261774U
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- clamping assembly
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Abstract
The utility model relates to a pencil sharpener technical field discloses a pencil sharpener advance a mechanism, including: a first clamping assembly and a second clamping assembly; a gap for the pencil to penetrate is arranged between the first clamping assembly and the second clamping assembly, and the size of the gap is adjustable; a spring is connected between the first clamping assembly and the second clamping assembly; and the driving assembly is used for driving the first clamping assembly and/or the second clamping assembly. The utility model has the advantages of, this advance a mechanism can be according to the pencil of different diameters size, the interval of transform first centre gripping subassembly and second centre gripping subassembly, and application scope is wide, and the centre gripping is reliable.
Description
Technical Field
The utility model relates to a pencil sharpener technical field especially relates to a pencil sharpener advance a mechanism.
Background
The pencil feeding mechanism of the pencil sharpener is a device which is arranged at the top of the pencil sharpener and can automatically feed a pencil for sharpening and smoothly draw out the pencil from the pencil sharpener after the pencil is sharpened.
In the existing pen feeding mechanism, a turntable is used for driving two gear shafts, so that the two gear shafts rotate relatively; each gear shaft is provided with a pencil clamping piece, the rotation of the gear shaft drives the pencil clamping pieces to move, and a pencil is inserted between the two pencil clamping pieces; the rotary disc is in transmission connection with the tool rest of the pencil sharpener, and the general tool rest is driven by the motor, so that the forward and reverse rotation of the motor can drive the tool rest to rotate forward and reverse, the rotary disc is further rotated forward and reverse, the gear shaft is further rotated forward and reverse, and feeding and withdrawing of the pencil are achieved.
The distance between the two common pencil clamping pieces is fixed, and the distance cannot be adjusted, so that the pencil sharpener can only be suitable for pencils with fixed diameters generally, the pencil sharpening effect is not good for pencils with different diameters, and the clamping effect of the two clamping pieces on the pencils with different diameters is also not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the pencil sharpener with the adjustable diameter is suitable for the pencil with different diameters and the reliable clamping is provided.
The utility model provides a technical scheme that its technical problem adopted is, provides a pencil sharpener advance a mechanism, including:
a first clamping assembly and a second clamping assembly; a gap for a pencil to penetrate is arranged between the first clamping assembly and the second clamping assembly, and the size of the gap is adjustable; a spring is connected between the first clamping assembly and the second clamping assembly;
and the driving assembly is used for driving the first clamping assembly and/or the second clamping assembly.
Further, the device also comprises a first mounting plate and a second mounting plate; the first mounting plate and the second mounting plate are both provided with a first sliding chute and a second sliding chute;
two ends of the first clamping assembly are respectively and slidably arranged in the first sliding grooves in the first mounting plate and the second mounting plate in a penetrating manner; the two ends of the second clamping assembly are slidably arranged in the second sliding grooves in the first mounting plate and the second mounting plate in a penetrating mode respectively.
Furthermore, one end of the first clamping assembly and one end of the second clamping assembly are provided with the spring; the other end of the first clamping assembly and the other end of the second clamping assembly are provided with another spring.
Further, the first sliding groove and the second sliding groove are arranged in a waist shape.
Furthermore, the first clamping assembly and the second clamping assembly respectively comprise a transmission shaft and a clamping wheel sleeved on the transmission shaft.
Further, the driving assembly comprises a turntable and a transmission gear driven by the turntable; a driven gear meshed with the transmission gear is sleeved on the transmission shaft; and the turntable can drive the clamping wheels on the first clamping assembly and the second clamping assembly to rotate around opposite directions.
Furthermore, the transmission gear comprises a large gear and a small gear which are coaxially arranged; the bull gear meshes with the carousel, the pinion meshes with driven gear.
Furthermore, a plurality of driving teeth meshed with the large gear are upwards projected from the rotary table; and the tooth width of the driving tooth is gradually increased from the side close to the axis of the rotary disc to the side far away from the axis of the rotary disc.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
in the utility model, the two ends of the first clamping component and the second clamping component are respectively arranged in the first chute and the second chute, the distance between the first clamping component and the second clamping component can be adjusted, and the first clamping component and the second clamping component are tensioned through the spring to adapt to the pencils with different diameters, namely, when the diameter of the pencil is larger, the distance between the first clamping component and the second clamping component is enlarged, and the spring is lengthened; when the diameter of the pencil is smaller, the distance between the first clamping assembly and the second clamping assembly is reduced under the action of the spring; the spring can ensure that the two clamping wheels clamp the pencil tightly, and the pencil cannot deflect when entering and exiting the pencil feeding mechanism. The driving gear is driven through the turntable, and then the driven gear in meshing transmission with the driving gear is driven, the driven gear drives the first clamping assembly and the second clamping assembly to rotate around opposite directions, and the pencil is guaranteed to be smoothly fed into the pencil feeding mechanism or drawn out from the pencil feeding mechanism, so that the pencil is smoothly fed and discharged.
Drawings
FIG. 1 is a schematic view of the overall structure of the pen feeding mechanism of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is an exploded view of the overall structure;
fig. 4 is an assembly schematic diagram of the pen feeding mechanism and the mounting seat.
In the figure, the position of the upper end of the main shaft,
1. a first clamping assembly; 10. a drive shaft; 11. a clamping wheel; 101. a driven gear; H. a gap;
2. a second clamping assembly;
3. a spring;
4. a drive assembly; 40. a turntable; 41. a transmission gear; 401. a drive tooth; 411. a bull gear; 412. A pinion gear;
5. a first mounting plate; 50. a first chute; 51. a second chute;
6. a second mounting plate;
70. and (7) mounting a seat.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, a pencil feeding mechanism of a pencil sharpener comprises: a first clamping component 1 and a second clamping component 2; a gap H for pencils to penetrate is arranged between the first clamping assembly 1 and the second clamping assembly 2, and the size of the gap H is adjustable so as to adapt to pencils with different diameters; a spring 3 is further connected between the first clamping assembly 1 and the second clamping assembly 2, and specifically, the spring 3 is arranged at one end of the first clamping assembly 1 and one end of the second clamping assembly 2; the other end of the first clamping assembly 1 and the other end of the second clamping assembly 2 are provided with another spring 3; two ends of the first clamping assembly 1 and the second clamping assembly 2 are both provided with annular grooves, two ends of the spring 3 are respectively clamped in the two annular grooves, and two ends of the first clamping assembly 1 and the second clamping assembly 2 in the structure are both provided with a spring 3, and the total number of the two springs 3 is two; the spring 3 can ensure that the first clamping assembly 1 and the second clamping assembly 2 clamp the pencil tightly, and the pencil cannot deflect when entering and exiting the pencil feeding mechanism; and the driving assembly 4 is used for driving the first clamping assembly 1 and/or the second clamping assembly 2. The first clamping assembly 1 and the second clamping assembly 2 have the same structural composition, and the difference is that the driven gears 101 are arranged at different positions, and since the rotation directions of the first clamping assembly 1 and the second clamping assembly 2 are opposite in the using process, the driven gears 101 on the first clamping assembly 1 and the second clamping assembly 2 need to rotate in opposite directions, so that the arrangement positions are different. Specifically, the first clamping assembly 1 and the second clamping assembly 2 each include a transmission shaft 10 and a clamping wheel 11 sleeved on the transmission shaft. And as shown in fig. 3, the transmission shaft 10 is formed by two sections which are mutually butted, the clamping wheel 11 is positioned between the two sections, the limiting wheels on the two sections limit the left and right displacement of the clamping wheel 11, the structural stability is high, and the situation of pencil clamping stagnation is not easy to occur.
Preferably, the driving assembly 4 comprises a turntable 40 and a transmission gear 41 driven by the turntable 40; a driven gear 101 meshed with the transmission gear 41 is sleeved on the transmission shaft 10; and the turntable 40 can drive the clamping wheels 11 on the first clamping assembly 1 and the second clamping assembly 2 to rotate around opposite directions. Wherein, the transmission gear 41 comprises a large gear 411 and a small gear 412 which are coaxially arranged; the large gear 411 is engaged with the rotary table 40, the small gear 412 is engaged with the driven gear 101, that is, the rotary table 40 drives the large gear 411, and since the small gear 412 and the large gear 411 are integrally arranged, the small gear 412 and the large gear 411 rotate at the same angular speed, and then the small gear 412 drives the driven gear 101 to rotate, so as to drive the clamping wheels 11 in the first clamping assembly 1 and the second clamping assembly 2 to rotate around opposite directions, so as to feed a pencil into or feed the pencil out of the pencil sharpener.
Further preferably, the rotary plate 40 is protruded with a plurality of driving teeth 401 engaged with the large gear 411; and the tooth width of the driving tooth 401 is gradually increased from the side close to the axis of the turntable 40 to the side far away from the axis of the turntable 40, and the tooth width of the driving tooth 401 is gradually changed, so that the meshing is stable when the turntable 40 drives the large gear 411 to rotate, the noise during transmission is reduced, the pen feeding is stable and smooth, and the clamping stagnation feeling is not easy to generate.
As shown in fig. 1-2, the pen feeding mechanism further comprises a first mounting plate 5 and a second mounting plate 6; a first sliding groove 50 and a second sliding groove 51 are formed in both the first mounting plate 5 and the second mounting plate 6; two ends of the first clamping component 1 are respectively and slidably arranged in the first sliding grooves 50 on the first mounting plate 5 and the second mounting plate 6 in a penetrating manner; the both ends of second centre gripping subassembly 2 wear to establish respectively slidable on first mounting panel 5 and the second mounting panel 6 both in the second spout 51, first centre gripping subassembly 1 and second centre gripping subassembly 2 set up respectively slidable in two first spouts 50 and two second spouts 51, guarantee that the clearance H size between first centre gripping subassembly 1 and the second centre gripping subassembly 2 is adjustable, just first spout 50 and second spout 51 all are waist shape setting.
As shown in fig. 4, when the entire pencil feeding mechanism is mounted on the mounting seat 70 of the pencil sharpener, the first mounting plate 5 and the second mounting plate 6 are respectively arranged at two sides of the mounting seat 70, and the whole structure is compact.
In the actual use process, the distance between the first clamping assembly 1 and the second clamping assembly 2 can be adjusted, and the first clamping assembly 1 and the second clamping assembly 2 are tightened by the spring 3 to adapt to pencils with different diameters, namely, when the diameter of the pencil is larger, the distance between the first clamping assembly 1 and the second clamping assembly 2 is larger, and the spring 3 is lengthened; when the diameter of the pencil is smaller, under the action of the spring 3, the distance between the first clamping assembly 1 and the second clamping assembly 2 is reduced, so that the pencil feeding mechanism can be adapted to pencils with different diameters, and the application range is wide; the transmission gear 41 is driven by the turntable 40, and then the driven gear 101 which is in meshing transmission with the transmission gear 41 is driven, the driven gear 101 drives the clamping wheels 11 on the first clamping assembly 1 and the second clamping assembly 2 to rotate around opposite directions, so that the pencil is smoothly fed into the pencil feeding mechanism or is drawn out from the pencil feeding mechanism, and the pencil is smoothly fed and discharged.
In the scheme, the pencil feeding mechanism can change the distance between the first clamping assembly and the second clamping assembly according to the pencils with different diameters, so that the pencil feeding mechanism is wide in application range and reliable in clamping; and the pencil feeding mechanism is smooth when the pencil enters and exits the pencil sharpener, and has no clamping stagnation and pause feeling.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A pencil feeding mechanism of a pencil sharpener is characterized by comprising:
a first clamping assembly and a second clamping assembly; a gap for a pencil to penetrate is arranged between the first clamping assembly and the second clamping assembly, and the size of the gap is adjustable; a spring is connected between the first clamping assembly and the second clamping assembly;
and the driving assembly is used for driving the first clamping assembly and/or the second clamping assembly.
2. The pencil sharpener mechanism of claim 1 further comprising a first mounting plate and a second mounting plate; the first mounting plate and the second mounting plate are both provided with a first sliding chute and a second sliding chute;
two ends of the first clamping assembly are respectively and slidably arranged in the first sliding grooves in the first mounting plate and the second mounting plate in a penetrating manner; the two ends of the second clamping assembly are slidably arranged in the second sliding grooves in the first mounting plate and the second mounting plate in a penetrating mode respectively.
3. The advancing mechanism of a sharpener of claim 2, wherein one end of said first clamping assembly and one end of said second clamping assembly are provided with said spring; the other end of the first clamping assembly and the other end of the second clamping assembly are provided with another spring.
4. The pencil sharpener of claim 2 wherein the first and second chutes are each kidney shaped.
5. The pencil feeding mechanism of the pencil sharpener of any one of claims 1-4, wherein each of the first and second clamping assemblies comprises a transmission shaft and a clamping wheel sleeved on the transmission shaft.
6. The pencil sharpener mechanism of claim 5 wherein said drive assembly includes a turntable and a drive gear driven by said turntable; a driven gear meshed with the transmission gear is sleeved on the transmission shaft; and the turntable can drive the clamping wheels on the first clamping assembly and the second clamping assembly to rotate around opposite directions.
7. The pencil feeding mechanism of claim 6, wherein said transmission gear comprises a large gear and a small gear coaxially disposed; the bull gear meshes with the carousel, the pinion meshes with driven gear.
8. The advancing mechanism of a sharpener of claim 7, wherein said rotatable disk has a plurality of drive teeth projecting upwardly therefrom for engaging said gear wheel; and the tooth width of the driving tooth is gradually increased from the side close to the axis of the rotary disc to the side far away from the axis of the rotary disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866825.9U CN213261774U (en) | 2020-08-31 | 2020-08-31 | Pencil feeding mechanism of pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866825.9U CN213261774U (en) | 2020-08-31 | 2020-08-31 | Pencil feeding mechanism of pencil sharpener |
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| Publication Number | Publication Date |
|---|---|
| CN213261774U true CN213261774U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021866825.9U Active CN213261774U (en) | 2020-08-31 | 2020-08-31 | Pencil feeding mechanism of pencil sharpener |
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| CN (1) | CN213261774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139689A (en) * | 2022-07-07 | 2022-10-04 | 浙江鸿星文具有限公司 | Pencil sharpener feeding mechanism |
-
2020
- 2020-08-31 CN CN202021866825.9U patent/CN213261774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139689A (en) * | 2022-07-07 | 2022-10-04 | 浙江鸿星文具有限公司 | Pencil sharpener feeding mechanism |
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