CN112976896B - Log pencil sharpening receiver for drawing - Google Patents
Log pencil sharpening receiver for drawing Download PDFInfo
- Publication number
- CN112976896B CN112976896B CN202110312655.2A CN202110312655A CN112976896B CN 112976896 B CN112976896 B CN 112976896B CN 202110312655 A CN202110312655 A CN 202110312655A CN 112976896 B CN112976896 B CN 112976896B
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- Prior art keywords
- rotating shaft
- workbench
- pencil
- block
- base
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- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 23
- 238000010422 painting Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/02—Sharpeners for pencils or leads with gearing
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/34—Pencil boxes; Pencil etuis or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drawing Aids And Blackboards (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a storage box, in particular to a sharpening storage box for log pencils for painting. The invention provides the log pencil sharpening storage box for painting, which can cut pencil heads conveniently and rapidly, can automatically clean scraps, can be directly placed after the pencil is sharpened, and is trouble-saving and labor-saving. A log pencil sharpening storage box for painting comprises a first workbench, a second workbench, a storage box, a cutting mechanism and a rotating mechanism; the first workbench is provided with a second workbench, the rear sides of the first workbench and the second workbench are provided with storage boxes, the upper side of the first workbench is provided with a cutting mechanism, and the first workbench is provided with a rotating mechanism. According to the pencil sharpener, the pencil is sharpened by the cutting mechanism, so that the effect of quickly sharpening the pencil is achieved; the pencil head is provided with the blocking mechanism, so that the pencil head is protected from being worn.
Description
Technical Field
The invention relates to a storage box, in particular to a sharpening storage box for log pencils for painting.
Background
When sharpening pencils, people generally use a pencil sharpener, the pencil sharpener is a pencil sharpening tool, but the pencil sharpener is not provided with a part for collecting pencil scraps, the batch pencil sharpening is also laborious, the hand pencil sharpener is provided with the part for collecting scraps on the common pencil sharpener, the pencil is more convenient and labor-saving to cut, and a place for placing the sharpened pencils is lacked.
Therefore, the log pencil sharpening storage box for painting is designed, pencil heads can be cut conveniently and rapidly, scraps can be cleaned automatically, and the pencil can be placed directly after sharpening, so that trouble and labor are saved.
Disclosure of Invention
In order to overcome the defects that the common pencil sharpener consumes time and labor and has a certain danger, the technical problem to be solved is that: the log pencil sharpening storage box for painting can conveniently and rapidly cut pencil heads, can automatically clean scraps, can be directly placed after the pencil is sharpened, and is trouble-saving and labor-saving.
The technical scheme of the invention is as follows: the utility model provides a log pencil sharpening receiver for drawing, includes first workstation, second workstation, receiver, cutting mechanism and rotary mechanism, is equipped with the second workstation on the first workstation, and first workstation and second workstation rear side are equipped with the receiver, and first workstation upside is equipped with cutting mechanism, is equipped with rotary mechanism on the first workstation.
In one embodiment, the cutting mechanism comprises a first base, a first rotating shaft, a first connecting block, a rotary drum and a cutting knife, wherein the first base is arranged on the first workbench, the first rotating shaft is arranged on the first base in a rotating mode, the first connecting block is arranged on the first rotating shaft and is positioned on the inner side of the second workbench, the rotary drum is arranged on the first connecting block, and the cutting knife is arranged on the inner side of the rotary drum.
In one embodiment, the rotary mechanism comprises a second base, a second rotating shaft, a rotating connecting rod, an arc-shaped rack, a one-way gear, a third rotating shaft, a third base and a belt component, wherein the second base is arranged on the first workbench, the second rotating shaft is arranged on the second base, the rotating connecting rod is rotatably arranged on the upper side of the second rotating shaft, the arc-shaped rack is arranged on the right side of the rotating connecting rod, the third base is arranged on the first workbench, the third rotating shaft is rotatably arranged on the third base, the one-way gear is arranged on the third rotating shaft, the arc-shaped rack is meshed with the one-way gear, and the belt component is arranged between the third rotating shaft and the first rotating shaft.
In one embodiment, the automatic lifting device further comprises a reset mechanism, wherein the reset mechanism comprises a support block, a first sliding rod and a spring I, the support block is arranged on the first workbench, the first sliding rod is arranged at the rear left side of the support block and is connected with the rotating connecting rod in a sliding mode, the spring I is sleeved on the first sliding rod, and two ends of the spring I are respectively connected with the support block and the rotating connecting rod.
In one embodiment, the clamping mechanism comprises a first connecting rod, a mounting block, a movable rod, springs II and clamping blocks, wherein the first connecting rod is symmetrically arranged on the upper side of the second workbench, the mounting block is arranged between the first connecting rods, the movable rod is symmetrically arranged on the mounting block in a sliding mode, the springs II are sleeved on the movable rod, and the clamping blocks are arranged on the inner sides of the movable rod.
In one embodiment, the cleaning device further comprises a cleaning mechanism, the cleaning mechanism comprises a second connecting block, a pushing plate and a cleaning brush, the second connecting block is arranged on the first connecting block, the pushing plate is arranged on the second connecting block, the cleaning brush is arranged on the lower side of the pushing plate, a sliding groove is formed in the inner side of the second workbench, and one end of the cleaning brush is located on the sliding groove.
In one embodiment, the device further comprises a blocking mechanism, the blocking mechanism comprises a second connecting rod, a first positioning block, a second sliding rod and a spring III, two second connecting rods are arranged on the right portion of the upper side of the storage box, the first positioning block is arranged on the left side of the second connecting rod, the second sliding rod is symmetrically arranged on the left side and the right side of the lower side of the storage box, the second positioning block is arranged on the second sliding rod in a sliding mode, the spring III is sleeved on the second sliding rod, and the spring III is respectively connected with the second positioning block and the lower side of the storage box in an internal mode.
The invention has the beneficial effects that: 1. according to the pencil sharpener, the pencil is sharpened by the cutting mechanism, so that the effect of quickly sharpening the pencil is achieved;
2. according to the pencil sharpener, the rotating mechanism is arranged, the rotating connecting rod in the rotating mechanism rotates to drive the arc-shaped rack to rotate, and when the arc-shaped rack moves to be meshed with the unidirectional gear, the unidirectional gear is driven to rotate, so that the third rotating shaft is driven to rotate, the belt assembly is driven to rotate, the first rotating shaft is driven to rotate, and the pencil sharpener has the advantage of being convenient and labor-saving to cut pencil;
3. according to the invention, the reset mechanism is arranged, and the spring I in the reset mechanism resets to drive the rotary connecting rod to reset, so that the effect of automatically resetting the rotary connecting rod is achieved;
4. the pencil head is provided with the blocking mechanism, so that the pencil head is protected from being worn.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a cutting mechanism according to the present invention.
Fig. 3 is a schematic perspective view of a rotary mechanism according to the present invention.
Fig. 4 is a schematic perspective view of the reset mechanism of the present invention.
Fig. 5 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 6 is a schematic perspective view of the cleaning mechanism of the present invention.
Fig. 7 is a schematic perspective view of a blocking mechanism according to the present invention.
Marked in the figure as: the first table, the second table, the 3-receiver, the 4-cutting mechanism, the 41-first base, the 42-first rotating shaft, the 43-first connecting block, the 44-rotating drum, the 45-cutting blade, the 5-rotating mechanism, the 51-second base, the 52-second rotating shaft, the 53-rotating connecting rod, the 54-arc rack, the 55-unidirectional gear, the 56-third rotating shaft, the 57-third base, the 58-belt assembly, the 6-reset mechanism, the 61-supporting block, the 62-first sliding rod, the 63-spring I, the 7-clamping mechanism, the 71-first connecting rod, the 72-mounting block, the 73-movable rod, the 74-spring II, the 75-clamping block, the 8-cleaning mechanism, the 81-second connecting block, the 82-push plate, the 83-cleaning brush, the 84-sliding groove, the 9-mechanism, the 91-second connecting rod, the 92-first positioning block, the 93-second positioning block, the 94-second sliding rod, and the 95-spring III.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
The utility model provides a log pencil sharpening receiver for drawing, as shown in fig. 1, fig. 2 and fig. 3, including first workstation 1, second workstation 2, receiver 3, cutting mechanism 4 and rotary mechanism 5, be equipped with second workstation 2 on the first workstation 1, first workstation 1 and second workstation 2 rear side are equipped with receiver 3, and first workstation 1 upside is equipped with cutting mechanism 4, is equipped with rotary mechanism 5 on the first workstation 1.
When people want to put the pencil in the cutting mechanism 4 after sharpening the pencil, the rotating mechanism 5 drives the cutting mechanism 4 to move so as to cut the pencil, after the pencil is cut, the rotating mechanism 5 is stopped, the cutting mechanism 4 stops moving, and the people take the cut pencil out of the cutting mechanism 4 and put the pencil on the storage box 3.
The cutting mechanism 4 comprises a first base 41, a first rotating shaft 42, a first connecting block 43, a rotary drum 44 and a cutting knife 45, wherein the first base 41 is arranged on the first workbench 1, the first rotating shaft 42 is rotatably arranged on the first base 41, the first connecting block 43 is arranged on the first rotating shaft 42, the first connecting block 43 is positioned on the inner side of the second workbench 2, the rotary drum 44 is arranged on the first connecting block 43, and the cutting knife 45 is arranged on the inner side of the rotary drum 44.
The pencil is put in the rotary drum 44, the rotary mechanism 5 is manually rotated by a person, the rotary mechanism 5 rotates to drive the first rotating shaft 42 to rotate, so that the first connecting block 43 is driven to rotate, the rotary drum 44 is driven to rotate, meanwhile, the cutting knife 45 rotates to cut the pencil, after the pencil is cut, the rotary mechanism 5 is stopped rotating, the first rotating shaft 42 stops rotating, the first connecting block 43 stops rotating, the rotary drum 44 and the cutting knife 45 stop rotating, and the person takes the cut pencil out of the rotary drum 44 and puts the pencil on the storage box 3.
The rotating mechanism 5 comprises a second base 51, a second rotating shaft 52, a rotating connecting rod 53, an arc-shaped rack 54, a one-way gear 55, a third rotating shaft 56, a third base 57 and a belt assembly 58, wherein the second base 51 is arranged on the first workbench 1, the second rotating shaft 52 is arranged on the second base 51, the rotating connecting rod 53 is rotatably arranged on the upper side of the second rotating shaft 52, the arc-shaped rack 54 is arranged on the right side of the rotating connecting rod 53, the third base 57 is arranged on the first workbench 1, the third rotating shaft 56 is rotatably arranged on the third base 57, the one-way gear 55 is arranged on the third rotating shaft 56, the arc-shaped rack 54 is meshed with the one-way gear 55, and the belt assembly 58 is arranged between the third rotating shaft 56 and the first rotating shaft 42.
When the pencil is positioned on the rotary drum 44, a person holds the handle fixing position on the first workbench 1 by one hand, holds the rotating connecting rod 53 by one hand to rotate, drives the arc-shaped rack 54 to rotate, drives the one-way gear 55 to rotate when the arc-shaped rack 54 moves to be meshed with the one-way gear 55, and drives the third rotating shaft 56 to rotate, and further drives the belt assembly 58 to rotate, so that the first rotating shaft 42 rotates, when the arc-shaped rack 54 moves to be disengaged from the one-way gear 55, the one-way gear 55 stops rotating, the third rotating shaft 56 stops rotating, the belt assembly 58 stops rotating, the first rotating shaft 42 stops rotating, and after the pencil is cut, the person rotates the rotating connecting rod 53 in the opposite direction, and drives the arc-shaped rack 54 to rotate in the opposite direction to reset.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, 4, 5, 6 and 7, the device further comprises a reset mechanism 6, the reset mechanism 6 comprises a support block 61, a first slide bar 62 and a spring I63, the support block 61 is arranged on the first workbench 1, the first slide bar 62 is arranged at the rear left side of the support block 61, the first slide bar 62 is in sliding connection with the rotary connecting rod 53, the spring I63 is sleeved on the first slide bar 62, and two ends of the spring I63 are respectively connected with the support block 61 and the rotary connecting rod 53.
When the rotary connecting rod 53 rotates, the spring I63 is extruded, the rotary connecting rod 53 is loosened, and the spring I63 resets to drive the rotary connecting rod 53 to reset.
The clamping mechanism 7 comprises a first connecting rod 71, a mounting block 72, a movable rod 73, springs II 74 and clamping blocks 75, wherein the first connecting rod 71 is symmetrically arranged on the upper side of the second workbench 2, the mounting block 72 is arranged between the first connecting rods 71, the movable rod 73 is symmetrically arranged on the mounting block 72 in a sliding mode, the springs II 74 are sleeved on the movable rod 73, and the clamping blocks 75 are arranged on the inner sides of the movable rods 73.
When the pencil is put into the clamping block 75, the clamping block 75 moves to two sides, the movable rod 73 is driven to move to two sides, the spring II 74 is stretched, and when the pencil is taken out, the spring II 74 resets to drive the movable rod 73 to reset, so that the clamping block 75 is driven to reset.
The cleaning device comprises a cleaning mechanism 8, wherein the cleaning mechanism 8 comprises a second connecting block 81, a push plate 82 and a cleaning brush 83, the second connecting block 81 is arranged on the first connecting block 43, the push plate 82 is arranged on the second connecting block 81, the cleaning brush 83 is arranged on the lower side of the push plate 82, a sliding groove 84 is formed in the inner side of the second workbench 2, and one end of the cleaning brush 83 is located on the sliding groove 84.
When the first connecting block 43 rotates, the second connecting block 81 is driven to rotate, so that the push plate 82 and the cleaning brush 83 are driven to rotate, scraps on the second workbench 2 during pencil sharpening are cleaned outside the second workbench 2, and when the first connecting block 43 stops rotating, the second connecting block 81 stops rotating, and the push plate 82 and the cleaning brush 83 stop rotating.
The storage box is characterized by further comprising a blocking mechanism 9, wherein the blocking mechanism 9 comprises a second connecting rod 91, a first positioning block 92, a second positioning block 93, a second sliding rod 94 and a spring III 95, two second connecting rods 91 are arranged on the right portion of the upper side of the storage box 3, the first positioning block 92 is arranged on the left side of the second connecting rod 91, the second sliding rod 94 is symmetrically arranged on the left side and the right side of the lower side of the storage box 3, the second positioning block 93 is arranged on the second sliding rod 94 in a sliding mode, the spring III 95 is sleeved on the second sliding rod 94, and the spring III 95 is respectively connected with the second positioning block 93 and the lower side of the storage box 3.
After the pencil is cut, people put the pencil into the first positioning block 92 and the second positioning block 93, when the pencil is put into the pencil, the downward force drives the second positioning block 93 to move downwards, the spring III 95 is extruded, and when the pencil is loosened, the spring III 95 resets to drive the second positioning block 93 to reset, the pencil is also driven to move upwards, a buffering effect is achieved on the pencil head, and the pencil head is protected.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (1)
1. The utility model provides a log pencil sharpening receiver for drawing, including first workstation (1), second workstation (2) and receiver (3), be equipped with second workstation (2) on first workstation (1), first workstation (1) and second workstation (2) rear side are equipped with receiver (3), characterized by still includes cutting mechanism (4) and rotary mechanism (5), and first workstation (1) upside is equipped with cutting mechanism (4), is equipped with rotary mechanism (5) on first workstation (1); the cutting mechanism (4) comprises a first base (41), a first rotating shaft (42), a first connecting block (43), a rotary drum (44) and a cutting knife (45), wherein the first base (41) is arranged on the first workbench (1), the first rotating shaft (42) is rotatably arranged on the first base (41), the first connecting block (43) is arranged on the first rotating shaft (42), the first connecting block (43) is positioned on the inner side of the second workbench (2), the rotary drum (44) is arranged on the first connecting block (43), and the cutting knife (45) is arranged on the inner side of the rotary drum (44); the rotating mechanism (5) comprises a second base (51), a second rotating shaft (52), a rotating connecting rod (53), an arc-shaped rack (54), a one-way gear (55), a third rotating shaft (56), a third base (57) and a belt component (58), wherein the second base (51) is arranged on the first workbench (1), the second rotating shaft (52) is arranged on the second base (51), the rotating connecting rod (53) is rotatably arranged on the upper side of the second rotating shaft (52), the arc-shaped rack (54) is arranged on the right side of the rotating connecting rod (53), the third base (57) is arranged on the first workbench (1), the third rotating shaft (56) is rotatably arranged on the third base (57), the one-way gear (55) is arranged on the third rotating shaft (56), the arc-shaped rack (54) is meshed with the one-way gear (55), and the belt component (58) is arranged between the third rotating shaft (56) and the first rotating shaft (42); the automatic lifting device is characterized by further comprising a reset mechanism (6), wherein the reset mechanism (6) comprises a supporting block (61), a first sliding rod (62) and a spring I (63), the supporting block (61) is arranged on the first workbench (1), the first sliding rod (62) is arranged at the left rear part of the supporting block (61), the first sliding rod (62) is connected with the rotary connecting rod (53) in a sliding mode, the spring I (63) is sleeved on the first sliding rod (62), and two ends of the spring I (63) are respectively connected with the supporting block (61) and the rotary connecting rod (53); the clamping mechanism (7) comprises a first connecting rod (71), mounting blocks (72), movable rods (73), springs II (74) and clamping blocks (75), wherein the first connecting rod (71) is symmetrically arranged on the upper side of the second workbench (2), the mounting blocks (72) are arranged between the first connecting rods (71), the movable rods (73) are symmetrically arranged on the mounting blocks (72) in a sliding mode, the springs II (74) are sleeved on the movable rods (73), and the clamping blocks (75) are arranged on the inner sides of the movable rods (73); the cleaning device is characterized by further comprising a cleaning mechanism (8), wherein the cleaning mechanism (8) comprises a second connecting block (81), a pushing plate (82) and a cleaning brush (83), the second connecting block (81) is arranged on the first connecting block (43), the pushing plate (82) is arranged on the second connecting block (81), the cleaning brush (83) is arranged on the lower side of the pushing plate (82), a sliding groove (84) is formed in the inner side of the second workbench (2), and one end of the cleaning brush (83) is positioned on the sliding groove (84); the storage box is characterized by further comprising a blocking mechanism (9), wherein the blocking mechanism (9) comprises a second connecting rod (91), a first positioning block (92), a second positioning block (93), a second sliding rod (94) and a spring III (95), two second connecting rods (91) are arranged on the right portion of the upper side of the storage box (3), the first positioning block (92) is arranged on the left side of the second connecting rod (91), the second sliding rod (94) is symmetrically arranged on the left side of the lower side of the storage box (3), the second positioning block (93) is arranged on the second sliding rod (94) in a sliding mode, the spring III (95) is sleeved on the second sliding rod (94), and the spring III (95) is respectively connected with the second positioning block (93) and the lower side of the storage box (3) in an internal mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110312655.2A CN112976896B (en) | 2021-03-24 | 2021-03-24 | Log pencil sharpening receiver for drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110312655.2A CN112976896B (en) | 2021-03-24 | 2021-03-24 | Log pencil sharpening receiver for drawing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112976896A CN112976896A (en) | 2021-06-18 |
| CN112976896B true CN112976896B (en) | 2023-05-26 |
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ID=76333312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110312655.2A Active CN112976896B (en) | 2021-03-24 | 2021-03-24 | Log pencil sharpening receiver for drawing |
Country Status (1)
| Country | Link |
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| CN (1) | CN112976896B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683751B (en) * | 2022-06-01 | 2022-08-26 | 杭州品格文具用品有限公司 | Turning device and method with wear-resisting function for pencil stub forming |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802564B (en) * | 2014-02-24 | 2015-08-19 | 宁波天虹文具有限公司 | A kind of electronic, manual dual-purpose pencil sharpener |
| CN203864294U (en) * | 2014-05-26 | 2014-10-08 | 苏州卫生职业技术学院 | Cartoon pencil inserting sleeve sucked to wall |
| CN204037186U (en) * | 2014-08-19 | 2014-12-24 | 浙江大学城市学院 | One-handed performance push type pencil sharpener combining structure |
| CN104553535A (en) * | 2014-11-24 | 2015-04-29 | 得力集团有限公司 | Handheld pencil sharpener |
| CN207579408U (en) * | 2017-03-02 | 2018-07-06 | 朱石明 | A kind of push type lead pencil knife |
| CN208277710U (en) * | 2017-12-19 | 2018-12-25 | 张涛 | A kind of hand held pencil sharpener |
| CN209257732U (en) * | 2018-11-30 | 2019-08-16 | 义乌市友宏文具有限公司 | A kind of Novel push-type pencil sharpener |
| CN210062521U (en) * | 2019-04-07 | 2020-02-14 | 珙县慧雅民间工艺品开发有限公司 | Practical multifunctional pen container |
| CN211441756U (en) * | 2019-12-31 | 2020-09-08 | 武汉科技大学 | Novel electric adjustable pencil sharpener |
-
2021
- 2021-03-24 CN CN202110312655.2A patent/CN112976896B/en active Active
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| CN112976896A (en) | 2021-06-18 |
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Effective date of registration: 20230427 Address after: No. 6, Dongwangzhuang Village, Luzha Town, Lanling County, Linyi City, Shandong Province, 276000 Applicant after: Lanling Daben Stationery Co.,Ltd. Address before: 510030 room 2201, building 2, 18 Xihu Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: Wan Zhichang |
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