CN209649893U - It is a kind of with automatically into the penknife of mechanism - Google Patents
It is a kind of with automatically into the penknife of mechanism Download PDFInfo
- Publication number
- CN209649893U CN209649893U CN201822185884.9U CN201822185884U CN209649893U CN 209649893 U CN209649893 U CN 209649893U CN 201822185884 U CN201822185884 U CN 201822185884U CN 209649893 U CN209649893 U CN 209649893U
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- transmission
- gear
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- knife rest
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Abstract
The utility model discloses a kind of with automatically into the penknife of mechanism, including the Ding Bi mechanism moveed downward for limiting nib, pedestal, driving mechanism and knife rest, knife rest rotation is installed on pedestal, driving mechanism transmission connection knife rest, it is provided with above knife rest into pencil box, toothed disc is rotatably installed with into pencil box, knife rest transmission connection toothed disc, gear assembly is provided in into pencil box, it is driven into pen assembly and actively into pen assembly, toothed disc engaged transmission gear assembly, gear assembly engaged transmission is actively into pen assembly, it is actively driven into pen assembly into pen assembly engaged transmission, actively it is provided with into pen assembly or the driven at least one end into pen assembly and jumps transmission mechanism, jump the driving section and elastic transmission pawl that transmission mechanism includes transmission cooperation.Automatic simple into mechanism driving structure, the stable transmission of the utility model, transmission efficiency is high, durable.
Description
Technical field
The utility model relates to novel office table separation, more particularly, to a kind of with cutting pen into mechanism automatically
Machine.
Background technique
Penknife safe, efficient can sharpen a pencil, and penknife has become the indispensable tool of student's study.It is existing
Automatically poor into the drive mechanism stability of mechanism, cause to be easy to appear Caton when passing in and out pen, efficiency is cut in influence.Such as patent
Number for 201710678218.6 it is automatic into a mechanism, the gear teeth direction setting in toothed disc therein is complex, with tooth
Taking turns the gear teeth in disc spins while toothed disc will cooperate with into the direction of pen assembly middle gear, this kind of drive mechanism is between the gear teeth
Transmission cooperation required precision it is higher, position between accessory is slightly mobile to be just easy to produce Caton or misalignment, transmission knot
Structure is unstable, complex structural designs, since the serious wear between component occur in Caton or dislocation, beats between transmission parts
It is sliding, cause not being durable.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of with cutting into mechanism automatically
Machine, drive mechanism is simple, stable transmission, and transmission efficiency is high, durable.
To achieve the goals above, the technical scheme adopted by the utility model is it is a kind of with automatically into mechanism
Penknife, including Ding Bi mechanism, pedestal, driving mechanism and the knife rest moveed downward for limiting nib, knife rest rotation is installed on
Pedestal, driving mechanism transmission connection knife rest, knife rest top are provided with into pencil box, are rotatably installed with toothed disc into pencil box, knife rest passes
Dynamic tooth connection wheel disc, into pencil box in be provided with gear assembly, it is driven into pen assembly and actively into pen assembly, toothed disc engaged transmission
Gear assembly, gear assembly engaged transmission actively into pen assembly, actively into pen assembly engaged transmission it is driven into pen assembly, actively into
Pen assembly or the driven at least one end into pen assembly are provided with and jump transmission mechanism, and jumping transmission mechanism includes transmission cooperation
Driving section and elastic transmission pawl.
In further technical solution, the gear assembly includes gear shaft, and one end of gear shaft is rotatably mounted on described
Into pencil box, the other end of gear shaft is fixedly installed with bevel gear, bevel gear and toothed disc engaged transmission, the middle part of gear shaft
Driver pinion, driver pinion and the active are fixedly installed with into pen assembly engaged transmission.
In further technical solution, the active includes driving shaft into pen assembly, and the both ends of driving shaft rotate peace respectively
Into pencil box, the first end of driving shaft is fixedly installed with active gear wheel, second end is fixedly installed with driven pinion loaded on described,
Driven pinion and driver pinion engaged transmission are equipped with friction rubber tire in the middle part of driving shaft；It is described driven into a group
Part includes driven shaft, the both ends rotation of driven shaft be installed on it is described into pencil box, the first end of driven shaft is provided with driven gear wheel,
Driven gear wheel and active gear wheel engaged transmission, are equipped with friction rubber tire in the middle part of driven shaft.
In further technical solution, it is described into pencil box include upper cover and lower cover, the fixed top for being assembled in lower cover of upper cover,
The side wall of upper cover is provided with axis body limit plate, and the side wall of lower cover is correspondingly arranged on axis body locating slot, and axis body locating slot and axis body limit
Position plate docks cooperation or inserting cooperation, and axis body locating slot, which matches to merge with the splicing of axis body limit plate, forms an axis hole, the driving shaft,
The driven shaft and the gear shaft are mounted in axis hole.
In further technical solution, the driving mechanism includes motor and gear drive group, motor drive connection gear
Transmission group, gear drive group include transmission shaft, and transmission shaft driven connects the knife rest, and knife rest is rotatably installed with hobboing cutter, and knife rest passes
The dynamic connection toothed disc；It is provided in the middle part of knife rest (10) and cuts a room, cut a room lower part and be provided with a through-hole, cut the lower part of a room
Or the Ding Bi mechanism is provided in through-hole.
In further technical solution, the face number of the driving section side is corresponding with the quantity of elastic transmission pawl, elasticity
Driving pawl rotation is installed on driving section.
In further technical solution, the penknife includes outer cover, described to be installed on outer cover into pencil box and the knife rest
Interior, outer cover is connect with the pedestal.
In further technical solution, the Ding Bi mechanism includes microswitch, driving column and resistance block, resistance block installation
In the lower section of the through-hole, the first end that a block is installed on driving column is hindered, the second end of driving column connects microswitch.
In further technical solution, it is provided with touch spring between the driving column and the microswitch, touches bullet
One end of spring contradicts the second end of driving column, and the other end for touching spring contradicts microswitch.
In further technical solution, the top surface into pencil box is provided with pen inlet, and the side of pen inlet is provided with one
It starts switch.
After adopting the above structure, the utility model is compared to the prior art advantageously:
1. the transmission mechanism of the utility model uses gear transmission structure, drive mechanism is simple, stable transmission, transmission efficiency
It is high.
2. the transmission mechanism stable transmission of the utility model can be avoided effectively between component in component transmission process
Caton or the case where misplace, the abrasion between component is few, and product is durable.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure sectional view of the utility model.
Fig. 3 is attachment structure schematic diagram of the utility model into pencil box and knife rest.
Fig. 4 is the toothed disc of the utility model, gear assembly, actively into pen assembly and the driven composite structure into pen assembly
Schematic diagram.
Fig. 5, which is that the utility model is driven, dismantles structural schematic diagram into pen assembly.
Fig. 6 is the superstructure schematic diagram of the utility model.
Fig. 7 is the lower cover of the utility model and automatically into the combining structure schematic diagram of mechanism.
In figure: 10- knife rest, 11- toothed disc, 12- friction rubber tire, 13- detent portion, 14- pen clip portion, 15- rubber tire mounting portion,
16- pedestal, 17- outer cover；
20- is limited into positioning column, 27- axis body under pencil box, 21- upper cover, 22- lower cover, the positioning region 23-, the upper positioning column of 24-, 25-
Position plate；
30- gear assembly, 31- gear shaft, 32- bevel gear, 33- driver pinion；
40- it is driven into pen assembly, 41- driven pinion, 42- driven shaft, the driven gear wheel of 43-, 44- elastic transmission pawl,
The driving section 45-；
50- is actively into pen assembly, 51- driving shaft, 52- active gear wheel.
Specific embodiment
Below it is only the preferred embodiment of the utility model, does not therefore limit the protection scope of the utility model.
It is a kind of with automatically into the penknife of mechanism, shown in Fig. 1-7, including the top pen moveed downward for limiting nib
Mechanism, pedestal 16, driving mechanism and knife rest 10, the rotation of knife rest 10 are installed on pedestal 16, driving mechanism transmission connection knife rest 10, knife
It is provided with above frame 10 into pencil box 20, is rotatably installed with toothed disc 11 into pencil box 20, the transmission connection toothed disc 11 of knife rest 10 is special
Sign is: being provided with gear assembly 30 in into pencil box 20, is driven into pen assembly 40 and actively into pen assembly 50, toothed disc 11 engages
Driving gear component 30, the engaged transmission of gear assembly 30 actively into pen assembly 50, actively into 50 engaged transmission of pen assembly it is driven into
Pen assembly 40 is actively provided with into pen assembly 50 or the driven at least one end into pen assembly 40 and jumps transmission mechanism, jumps biography
Motivation structure includes driving section 45 and the elastic transmission pawl 44 of transmission cooperation.
The automatic of the utility model is realized by gear drive automatically into a function, wherein realizing into a mechanism into mechanism
It automatically is not by the gear drive mode of " band is more " into the gear drive of function, i.e. a gear is driven more simultaneously
The transmission connection mode of a gear, but by the gear drive mode of " band one ", i.e. gear drive another gear
Transmission connection mode, realize it is driven into pen assembly 40 and actively rotates simultaneously into pen assembly 50, drive mechanism is simple, and transmission is imitated
Rate is high, and the gear drive mode of " band is more " is easy to appear Caton or misalignment occurs, and drive mechanism is complicated, and use is not square
Just.
Gear assembly 30 therein is for toothed disc 11 and actively into the driving section 45 between pen assembly 50, gear assembly 30
Can be driving section 45 or the gear assembly 30 being made of several gears, if be able to achieve toothed disc 11 and actively into
Transmission agency between pen assembly 50.Preferably, gear assembly 30 includes gear shaft 31, and one end of gear shaft 31 rotates peace
Bevel gear 32,11 engaged transmission of bevel gear 32 and toothed disc, tooth are fixedly installed with mounted in the other end into pencil box 20, gear shaft 31
The middle part of wheel shaft 31 is fixedly installed with driver pinion 33, driver pinion 33 and active into 50 engaged transmission of pen assembly.It selects
11 engaged transmission of bevel gear 32 and toothed disc, can be such that the direction of the gear teeth on toothed disc 11 designs relatively simple, according to general
Radial pattern distribution by relatively uniform gear teeth direction can be realized with the engaged transmission of bevel gear 32, structure is simple, is driven more steady
It is fixed.
It is actively sequentially connected into pen assembly 50 driven into pen assembly 40, includes actively driving shaft into pen assembly 50 specifically
51, the both ends of driving shaft 51 rotate respectively to be installed on into pencil box 20, and the first end of driving shaft 51 is fixedly installed with active gear wheel
52, second end is fixedly installed with driven pinion 41, driven pinion 41 and 33 engaged transmission of driver pinion, driving shaft 51
Middle part is equipped with friction rubber tire 12.Driven to include driven shaft 42 into pen assembly 40, the both ends rotation of driven shaft 42 is installed on into pen
Box 20, the first end of driven shaft 42 are provided with driven gear wheel 43, driven gear wheel 43 and 52 engaged transmission of active gear wheel, from
The middle part of moving axis 42 is equipped with friction rubber tire 12.Actively into pen assembly 50 with it is driven parallel in same level into pen assembly 40
Setting.Specifically, gear shaft 31 and driving shaft 51 are arranged in parallel, and driving shaft 51 and driven shaft 42 are arranged in parallel, actively into a group
Part 50 can make actively to clamp pencil into pen assembly 40 with driven into pen assembly 50 with driven be arranged in parallel into pen assembly 40, simultaneously
Also contribute to the stable drive between gear.
The middle part of driving shaft 51 and the middle part of driven shaft 42 are respectively arranged with rubber tire mounting portion 15, two rubber tire mounting portions 15
Fixed respectively to have a friction rubber tire 12, the two sides of two rubber tire mounting portions 15 are respectively arranged with the detent portion 13 of a protrusion, and two
Two corresponding detent portions 13 of corresponding rubber tire mounting portion 15 are supported respectively in the both ends of friction rubber tire 12.The rubber tire 12 that rubs is pacified
It is supported loaded on rubber tire mounting portion 15 and with detent portion 13, can prevent friction rubber tire 12 from shifting, guaranteed actively into rubbing in pen assembly 50
The position of rubber wheel 12 and the driven position into friction rubber tire 12 in pen assembly 40 are relatively uniform, can preferably guarantee pencil holder
Tight effect.
The middle part of two friction rubber tires 12 is respectively provided with the pen clip portion 14 being recessed inwardly, and pen clip portion 14 is the arc of indent
Face.The shape in pen clip portion 14 and the outer rim shape of pencil are substantially adapted, pen clip portion 14 be it is arc-shaped, can be to avoid to pencil table
Face effective protection.
Penknife includes outer cover 17, is installed in outer cover 17 into pencil box 20 and knife rest 10, and outer cover 17 is connect with pedestal 16.
The middle part of gear shaft 31 is provided with positioning region 23, positioning region 23 between bevel gear 32 and driver pinion 33,
The position of the corresponding positioning region 23 of upper cover 21 is vertically provided with positioning column 24, and the end of upper positioning column 24 is recessed upwards and forms one
Arc limit slot, upward concave shape are matched with the upside shape of positioning region 23, the position of the corresponding positioning region 23 of lower cover 22 to
On be provided with lower positioning column 25, the end of lower positioning column 25 is to lower recess, to the shape of lower recess and the downside shape of positioning region 23
Shape matches, and upper positioning column 24 is corresponding with lower 25 position of positioning column, and positioning region 23 is installed on positioning column 24 and lower positioning column
Between 25；Lower positioning column 25 plays positioning and supporting role to gear shaft 31, and gear shaft 31 is toothed disc 11 and actively into a group
The important driving section of part 50 45, one end of gear shaft 31 is fixed on pencil box 20, the other end by upper positioning column 24 with it is lower fixed
The position support of column 25 and positioning, can effectively prevent the movement of gear shaft 31, to be further ensured that the position of bevel gear 32, prevent umbrella
Gear 32 is mobile, guarantees the steady transmission between driving section 45.
It include upper cover 21 and lower cover 22, the fixed top for being assembled in lower cover 22 of upper cover 21, the side wall of upper cover 21 into pencil box 20
It is provided with axis body limit plate 27, the side wall of lower cover 22 is correspondingly arranged on axis body locating slot, axis body locating slot and axis body limit plate 27
Docking cooperation or inserting cooperation, the splicing of axis body locating slot and axis body limit plate 27 are driving shaft 51, driven with merging one axis hole of formation
Axis 42 and gear shaft 31 are mounted in axis hole.More specifically, the side of upper cover 21 or the side of lower cover 22 are provided with multiple axis bodies
Locating slot, the both ends of driven shaft 42 and the both ends of driving shaft 51 are respectively arranged in the corresponding axis body locating slot in different positions, far
One end of gear shaft 31 from bevel gear 32 is installed on axis body locating slot, and the side of lower cover 22 or the side of upper cover 21 are provided with more
A axis body limit plate 27 corresponding with axis body positioning groove location, axis body limit plate 27 and the activity of axis body locating slot are engaged by clamping.
Axis body locating slot further fixes driven shaft 42, driving shaft 51 and 31 position of gear shaft with axis body limit plate 27, thus again
The driving section 45 being separately mounted on this driven shaft 42, driving shaft 51 and gear shaft 31 is further fixed, guarantees driving section
Position between 45 is fixed, and guarantees that drive mechanism is stablized.
The bottom of lower cover 22 is provided with connecting hole, and toothed disc 11 is sequentially connected by connecting hole and knife rest 10, toothed disc 11
With the connection type of knife rest 10 can there are many, be such as threadedly coupled, movable buckle connection is fixedly connected, as long as being able to achieve knife rest
The power transmission of 10 rotations is to toothed disc 11, so that toothed disc 11 be made to rotate.
Driving mechanism includes motor and gear drive group, and motor drive connection gear transmission group, gear drive group includes passing
Moving axis, transmission shaft driven connect knife rest 10, and knife rest 10 is rotatably installed with hobboing cutter, the transmission connection toothed disc 11 of knife rest 10.Lower cover 22
Bottom be provided with connecting hole, toothed disc 11 is sequentially connected by connecting hole and knife rest 10.It is provided in the middle part of knife rest 10 and cuts a room,
It cuts a room lower part and is provided with a through-hole, cut in the lower part or through-hole of a room and be provided with Ding Bi mechanism.
Specifically, the gear drive group in the present embodiment is gear set, motor drive connection gear group, the biography in gear set
Driving-axle gearing connects knife rest 10, the transmission connection toothed disc 11 of knife rest 10, the transmission connection gear assembly 30 of toothed disc 11, gear assembly
30 transmission connections are actively sequentially connected into pen assembly 50 driven into pen assembly 40, actively into pen assembly 50 thus actively into a group
Part 50 and driven realize into pen assembly 40 rotate, to rotate with dynamic friction rubber tire 12, by pencil insertion actively into pen assembly 50
Friction rubber tire 12 and the driven friction rubber tire 12 into pen assembly 40 between, friction rubber tire 12 pencil is clamped, rub rubber tire 12
Pencil is involved in knife rest 10 by rotating, the hobboing cutter in knife rest 10 carries out pencil to cut pen.
The face number of 45 side of driving section is corresponding with the quantity of elastic transmission pawl 44, and the rotation of elastic transmission pawl 44 is installed on biography
Dynamic portion 45.When into pen, elastic transmission pawl 44 and driving section 45 are relatively fixed, and with driving section 45 phase does not occur for elastic transmission pawl 44
To rotation.When pencil enters 10 bosom of knife rest, pen tip supports the Ding Bi mechanism in pedestal 16, at this point, toothed disc 11, master
It moves and is further proceeded with into pen assembly 50 and the driven engaged transmission between pen assembly 40, because pencil rubs with the rubber tire 12 of rubbing
The friction that power is greater than between elastic transmission pawl 44 and driving section 45 is wiped, so with driving section 45 opposite revolve occurs for elastic transmission pawl 44
Turn, i.e., it is driven to skid into pen assembly 40, therefore pencil can remain stationary.
When toothed disc 11 reversely rotates, pencil can be exited, a process is cut in completion.
Ding Bi mechanism includes microswitch, driving column and resistance block, and resistance block is installed on the lower section of through-hole, resistance block installation
Microswitch is connected in the second end of the first end of driving column, driving column.More specifically, being arranged between driving column and microswitch
There is touch spring, the one end for touching spring contradicts the second end of driving column, and the other end for touching spring contradicts microswitch.Work as lead
Pen tip reaches when cutting the point of pen requirement and spending, and pen tip contradicts resistance block, and a resistance block moves downward driving column, and driving column passes through touching
Spring of moving compresses microswitch, and microswitch makes the realization of motor antiport move back pen by control circuit.
The top surface of pencil box 20 is provided with pen inlet, the side of pen inlet is provided with one and starts switch.When pencil be inserted into
When mouth, pencil, which compresses, to be started switch, and is started switch and is promoted penknife to be actuated for cutting pen by control circuit.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (10)
1. it is a kind of with automatically into the penknife of mechanism, including for limiting Ding Bi mechanism, the pedestal that nib moves downward
(16), driving mechanism and knife rest (10), knife rest (10) rotation are installed on pedestal (16), and driving mechanism is sequentially connected knife rest (10),
It is provided with above knife rest (10) into pencil box (20), is rotatably installed with toothed disc (11) into pencil box (20), knife rest (10) transmission connection
Toothed disc (11), it is characterised in that: into be provided in pencil box (20) gear assembly (30), it is driven into pen assembly (40) and active into
Pen assembly (50), toothed disc (11) engaged transmission gear assembly (30), gear assembly (30) engaged transmission is actively into pen assembly
(50), actively driven into pen assembly (40) into pen assembly (50) engaged transmission, actively into pen assembly (50) or driven into pen assembly
(40) at least one end, which is provided with, jumps transmission mechanism, jumps driving section (45) and elasticity that transmission mechanism includes transmission cooperation
Driving pawl (44).
2. according to claim 1 a kind of with automatically into the penknife of mechanism, it is characterised in that: the gear assembly
(30) include gear shaft (31), one end of gear shaft (31) be rotatably mounted on it is described into pencil box (20), gear shaft (31) it is another
End is fixedly installed with bevel gear (32), bevel gear (32) and the toothed disc (11) engaged transmission, and the middle part of gear shaft (31) is solid
Dingan County is equipped with driver pinion (33), and driver pinion (33) and the active are into pen assembly (50) engaged transmission.
3. according to claim 2 a kind of with automatically into the penknife of mechanism, it is characterised in that: the active is into pen
Component (50) includes driving shaft (51), the both ends of driving shaft (51) rotate respectively be installed on it is described into pencil box (20), driving shaft
(51) first end is fixedly installed with active gear wheel (52), second end is fixedly installed with driven pinion (41), driven small tooth
(41) and the driver pinion (33) engaged transmission is taken turns, friction rubber tire (12) is installed in the middle part of driving shaft (51),
It is described it is driven into pen assembly (40) include driven shaft (42), the both ends rotation of driven shaft (42) is installed on into pencil box (20),
The first end of driven shaft (42) is provided with driven gear wheel (43), driven gear wheel (43) engaged transmission active gear wheel (52),
Friction rubber tire (12) is installed in the middle part of driven shaft (42).
4. according to claim 3 a kind of with automatically into the penknife of mechanism, it is characterised in that: described into pencil box
It (20) include upper cover (21) and lower cover (22), upper cover (21) fixes the top for being assembled in lower cover (22), and the side wall of upper cover (21) is set
It is equipped with axis body limit plate (27), the side wall of lower cover (22) is correspondingly arranged on axis body locating slot, axis body locating slot and axis body limit plate
(27) cooperation or inserting cooperation are docked, axis body locating slot matches to merge with axis body limit plate (27) splicing forms an axis hole, the master
Moving axis (51), the driven shaft (42) and the gear shaft (31) are mounted in axis hole.
5. according to any one of claims 1 to 4 a kind of with automatically into the penknife of mechanism, it is characterised in that: institute
Stating driving mechanism includes motor and gear drive group, and motor drive connection gear transmission group, gear drive group includes transmission shaft, is passed
Driving-axle gearing connects the knife rest (10), and knife rest (10) is rotatably installed with hobboing cutter, knife rest (10) the transmission connection toothed disc
(11)；
It is provided in the middle part of knife rest (10) and cuts a room, cut a room lower part and be provided with a through-hole, cut setting in the lower part or through-hole of a room
There is the Ding Bi mechanism.
6. according to claim 5 a kind of with automatically into the penknife of mechanism, it is characterised in that: the driving section
(45) the face number of side is corresponding with the quantity of the elastic transmission pawl (44), and elastic transmission pawl (44) rotation is installed on driving section
(45)。
7. according to claim 6 a kind of with automatically into the penknife of mechanism, it is characterised in that: the penknife packet
It includes outer cover (17), described to be installed in outer cover (17) into pencil box (20) and the knife rest (10), outer cover (17) and the pedestal
(16) it connects.
8. according to claim 5 a kind of with automatically into the penknife of mechanism, it is characterised in that: the Ding Bi mechanism
Including microswitch, driving column and resistance block, resistance block is installed on the lower section of the through-hole, and resistance block is installed on the of driving column
The second end of one end, driving column connects microswitch.
9. according to claim 8 a kind of with automatically into the penknife of mechanism, it is characterised in that: the driving column with
Touch spring is provided between the microswitch, the one end for touching spring contradicts the second end of driving column, touches spring
The other end contradict microswitch.
10. according to claim 5 a kind of with automatically into the penknife of mechanism, it is characterised in that: described into pencil box
(20) top surface is provided with pen inlet, and the side of pen inlet is provided with one and starts switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185884.9U CN209649893U (en) | 2018-12-25 | 2018-12-25 | It is a kind of with automatically into the penknife of mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185884.9U CN209649893U (en) | 2018-12-25 | 2018-12-25 | It is a kind of with automatically into the penknife of mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209649893U true CN209649893U (en) | 2019-11-19 |
Family
ID=68518647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822185884.9U Expired - Fee Related CN209649893U (en) | 2018-12-25 | 2018-12-25 | It is a kind of with automatically into the penknife of mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209649893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103533A (en) * | 2021-10-29 | 2022-03-01 | 宁波天天文具有限公司 | Pencil sharpener |
-
2018
- 2018-12-25 CN CN201822185884.9U patent/CN209649893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103533A (en) * | 2021-10-29 | 2022-03-01 | 宁波天天文具有限公司 | Pencil sharpener |
| CN114103533B (en) * | 2021-10-29 | 2022-12-13 | 宁波天天文具有限公司 | Pencil sharpener |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20211225 |