CN209111832U - A kind of penknife - Google Patents
A kind of penknife Download PDFInfo
- Publication number
- CN209111832U CN209111832U CN201820353344.4U CN201820353344U CN209111832U CN 209111832 U CN209111832 U CN 209111832U CN 201820353344 U CN201820353344 U CN 201820353344U CN 209111832 U CN209111832 U CN 209111832U
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- cutter hub
- planing
- shell
- entrance
- inner cavity
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Abstract
The utility model provides a kind of penknife, a shell is arranged with outside cutter hub, shell includes the inner cavity of a receiving cutter hub, the side of cutter hub is provided with guide rail, the inner wall of shell is provided with the guide-track groove with cutter hub cooperation, the length of inner cavity is greater than the length of the cutter hub, it adjusts bolt-through shell and extends to inner cavity, it is arranged through this structure, the length of inner cavity is extend by adjusting adjusting bolt, when pencil enters planing entrance A across planing entrance B, thrust when cutter hub is protruded by pencil, cutter hub is set to offset far from the one side of planing entrance A with internal chamber wall, to increase the length that pencil protrudes into penknife, promote stability when planing, reduce the probability that pencil-lead fractures.
Description
Technical field
The utility model relates to penknife technical field more particularly to a kind of penknives with shell.
Background technique
Penknife is the tool to sharpen a pencil, can be made various shape.In the prior art, in order to attract more youths to disappear
Fei Zhe, the development trend of penknife are more likely to make an issue of in appearance, and the improvement of the structure of penknife itself is lacked
It is conscientious that more consideration is given to cause the function of penknife relatively single, relevance grade is lower.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of penknives to be passed through by the way that a shell is arranged outside cutter hub
Shell realizes the adjustment of clamping length when to pencil planing, on the one hand promotes comfort level when pencil planing, on the other hand, for
It planes longer pencil, pencil can be increased and protrude into the length of penknife, to promote stability when planing, reduce pencil-lead folding
Disconnected probability；This structure also has friction portion, consequently facilitating modifying to the tip of a pencil for completing planing.
The utility model provides a kind of penknife, including cutter hub, and the top of the cutter hub is crumb mouth A, the cutter hub
One side offers the planing entrance A for protruding into for pencil and planing inside cutter hub, is arranged with a shell outside the cutter hub, described
Shell includes the inner cavity of a receiving cutter hub, is provided with a crumb mouth B corresponding with crumb mouth A at the top of the shell, it is described go out
Bits mouth B is communicated with inner cavity, and the shell and the corresponding position planing entrance A offer the entrance B that planes, the planing entrance B and
The inner cavity communicates, and the length of the inner cavity is greater than the length of the cutter hub.
The cutter hub is recessed with spring recessing groove A far from the one side of the planing entrance A, the shell inner cavity with it is described
The corresponding position spring recessing groove A is recessed with spring recessing groove B, sets between the spring recessing groove A and the spring recessing groove B
It is equipped with spring.
Adjusting bolt is provided with above the spring, the adjusting bolt-through shell extends to inner cavity；The adjusting
The maximum length that bolt extends to the inner cavity is in the maximum length of releasing orientation no more than the spring.
The opposite sides face that the cutter hub is located at length direction is convexly equipped with guide rail, and the shell inner cavity is corresponding with the guide rail
Position cooperation be recessed with guide-track groove.It is arranged through this structure, enabling cutter hub, face orderly, steadily carries out in the cavity
Displacement action.
Normal operating condition, adjusting bolt extends to the part of inner cavity and cutter hub offsets, and cutter hub is held out against and is being close to planing
The inner cavity side of entrance B, pencil pass through planing entrance B and enter planing entrance A, planed by the intracorporal blade of knife.
If planing for longer pencil, adjustment adjusts bolt and extend into the length of inner cavity, or will adjust bolt
Back-out, when pencil enters planing entrance A across planing entrance B, thrust when cutter hub is protruded by pencil makes cutter hub far from plane
The one side and internal chamber wall for cutting entrance A offset, and then carry out the planing movement of pencil.After completing planing, pencil extraction, cutter hub
It is returned to initial position under the reset response power of spring, is prepared for planing next time.
As a preferred option, the bottom of the cutter hub is provided with guide rail, and the bottom of the shell inner cavity is provided with and leads
The guide-track groove of rail cooperation.
As a preferred option, the inner ring surface of the planing entrance B is provided with roller structure；The roller structure includes rolling
Wheel, shaft, the inner ring surface of the planing entrance B are recessed with idler wheel accommodating chamber, and the shaft is fixed on idler wheel receiving through idler wheel
Intracavitary, the axle center of the axle center of the idler wheel and the planing entrance B are at vertical relation；The outer diameter face of the idler wheel is protruded described
Outside idler wheel accommodating chamber.After pencil, which passes through planing entrance B, enters planing entrance A, the outer diameter of pencil and the outer diameter face contact of idler wheel,
When Propelling pencil with sharpener in cap carries out planing movement, under the rolling action force-fitting of idler wheel, increase comfort level when planing.
As a preferred option, the top of the shell, which is located at by the crumb mouth B, is provided with friction portion.
As a preferred option, the bottom of the shell is provided with friction portion.
The utility model has the following beneficial effects:
1, it is arranged with a shell outside cutter hub, shell includes the inner cavity of a receiving cutter hub, and the side of cutter hub is provided with guide rail, outside
The inner wall of shell is provided with the guide-track groove with cutter hub cooperation, and the length of inner cavity is greater than the length of the cutter hub, adjusts outside bolt-through
Shell extends to inner cavity, is arranged through this structure, and by adjusting the length that bolt extend into inner cavity is adjusted, pencil passes through planing
Entrance B enter planing entrance A when, thrust when cutter hub is protruded by pencil, make cutter hub far from planing entrance A one side with
Internal chamber wall offsets, to increase the length that pencil protrudes into penknife, promotes stability when planing, reduction pencil-lead fractures several
Rate；
2, the top of shell, which is located at by the crumb mouth B, is provided with friction portion, and the bottom of shell is provided with friction portion, uses
Person, which can according to need, modifies tip of a pencil；
3, the inner ring surface of planing entrance B is provided with roller structure, under the rolling action force-fitting of idler wheel, when increasing planing
Comfort level.
Detailed description of the invention
Fig. 1 is the decomposition view (cutter hub and shell) of the utility model.
Fig. 2 is the cross-sectional view (cross section view of length direction) of the utility model.
Fig. 3 is the cross-sectional view (cross section view of width direction) of the utility model.
Fig. 4 is the partial enlarged view in Fig. 2 at A.
Appended drawing reference are as follows: shell 10, guide-track groove 12, cutter hub 13, guide rail 14, planing entrance A15, is adjusted planing entrance B11
Bolt 16, blade 17, crumb mouth A18, spring 19, idler wheel 21, friction portion 22, crumb mouth B23, spring recessing groove A24, spring allow
Position slot B25, idler wheel accommodating chamber 26, shaft 27, roller structure 28.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
Please refer to shown in Fig. 1-4: a kind of penknife, including cutter hub 13, the top of the cutter hub 13 are crumb mouth A18, institute
The one side for stating cutter hub 13 offers the planing entrance A15 for protruding into for pencil and planing inside cutter hub 13, outside the cutter hub 13
It is arranged with a shell 10, the shell 10 includes the inner cavity of a receiving cutter hub 13, and the top of the shell 10 is provided with one and goes out
Consider the corresponding crumb mouth B23 of mouth A18 to be worth doing, the crumb mouth B23 is communicated with inner cavity, and the shell 10 is corresponding with planing entrance A15
Position offers planing entrance B11, and the planing entrance B11 is communicated with the inner cavity, and the length of the inner cavity is greater than the knife
The length of body 13, the width of the inner cavity are equal to or less than the width of the cutter hub 13.
The cutter hub 13 is recessed with spring recessing groove A24 far from the one side of the planing entrance A15, in the shell 10
Chamber position corresponding with the spring recessing groove A24 is recessed with spring recessing groove B25, the spring recessing groove A24 and the bullet
Spring 19 is provided between spring recessing groove B25.
The top of the spring 19, which is provided with, adjusts bolt 16, and the adjusting bolt 16 extends to inner cavity through shell 10；
The maximum length that the adjusting bolt 16 extends to the inner cavity is in the maximum length of releasing orientation no more than the spring 19.
The opposite sides face that the cutter hub 13 is located at length direction is convexly equipped with guide rail 14, and 10 inner cavity of shell is led with described
The cooperation of the corresponding position of rail 14 is recessed with guide-track groove 12.The bottom of the cutter hub 13 is provided with guide rail 14,10 inner cavity of shell
Bottom be provided with guide rail 14 cooperate guide-track groove 12.
Normal operating condition, adjusting bolt 16 extends to the part of inner cavity and cutter hub 13 offsets, and cutter hub 13 is held out against and is being leaned on
To the inner cavity side of planing entrance B11, pencil passes through planing entrance B11 and enters planing entrance A15, passes through the knife in cutter hub 13
Piece 17 is planed.
If planing for longer pencil, adjustment adjusts bolt 16 and extend into the length of inner cavity, or will adjust spiral shell
Bolt 16 is back-outed, and when pencil enters planing entrance A15 across planing entrance B11, thrust when cutter hub 13 is protruded by pencil makes
Cutter hub 13 offsets far from the one side of planing entrance A15 with internal chamber wall, then carries out the planing movement of pencil.When completion is planed
Afterwards, pencil is extracted out, and cutter hub 13 is returned to initial position under the reset response power of spring 19, is prepared for planing next time.
The inner ring surface of the planing entrance B11 is provided with roller structure 28；The roller structure 28 includes idler wheel 21, shaft
27, the inner ring surface of the planing entrance B11 is recessed with idler wheel accommodating chamber 26, and the shaft 27 is fixed on idler wheel receipts through idler wheel 21
Cavity 2) in, the axle center of the axle center of the idler wheel 21 and the planing entrance B11 are at vertical relation；The outer diameter face of the idler wheel 21
Protrusion is outside the idler wheel accommodating chamber 26.When pencil pass through planing entrance B11 enter planing entrance A15 after, the outer diameter of pencil with
The outer diameter face contact of idler wheel 21 under the rolling action force-fitting of idler wheel 21, increases plane when Propelling pencil with sharpener in cap carries out planing movement
Comfort level when cutting.The inner ring surface of planing entrance B11 can be recessed with more than one idler wheel accommodating chamber 26, each idler wheel accommodating chamber 26
The mode for being all made of circumferential array is arranged, and is correspondingly arranged on roller structure 28 in each idler wheel accommodating chamber 26.
As preferred embodiment, the top of the shell 10, which is located at by the crumb mouth B23, is provided with friction portion 22,
The bottom of the shell 10 is provided with friction portion 22.User, which can according to need, modifies tip of a pencil.
Above-described embodiment is only the basic principles and main features and advantage that the utility model has been shown and described.The industry
Technical staff it should be appreciated that the present utility model is not limited to the above embodiments, it is described in the above embodiment and specification
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.
Claims (4)
1. a kind of penknife, including cutter hub (13), the top of the cutter hub (13) is crumb mouth A (18), the cutter hub (13)
One side, which is offered, protrudes into the planing entrance A (15) to plane inside cutter hub (13) for pencil, it is characterised in that: the cutter hub
(13) it is arranged with a shell (10) outside, the shell (10) includes the inner cavity of receiving cutter hub (13), the top of the shell (10)
Portion is provided with a crumb mouth B (23) corresponding with crumb mouth A (18), and the crumb mouth B (23) communicates with inner cavity, the shell
(10) position corresponding with planing entrance A (15) offers planing entrance B (11), the planing entrance B (11) and the inner cavity
It communicates, the length of the inner cavity is greater than the length of the cutter hub (13)；
The cutter hub (13) is recessed with spring recessing groove A (24), the shell far from the one side of planing entrance A (15)
(10) inner cavity position corresponding with spring recessing groove A (24) is recessed with spring recessing groove B (25), the spring recessing groove A
(24) spring (19) are provided between the spring recessing groove B (25)；
It is provided with above the spring (19) and adjusts bolt (16), the adjusting bolt (16) extends to interior through shell (10)
Chamber；The maximum length that adjusting bolt (16) extends to the inner cavity is in releasing orientation most no more than the spring (19)
Long length；
The opposite sides face that the cutter hub (13) is located at length direction is convexly equipped with guide rail (14), shell (10) inner cavity with it is described
The corresponding position cooperation of guide rail (14) is recessed with guide-track groove (12)；
The top of the shell (10), which is located at by the crumb mouth B (23), is provided with friction portion (22).
2. a kind of penknife according to claim 1, it is characterised in that: the bottom of the cutter hub (13) is provided with guide rail
(14), the bottom of shell (10) inner cavity is provided with the guide-track groove (12) with guide rail (14) cooperation.
3. a kind of penknife according to claim 1, it is characterised in that: the bottom of the shell (10) is provided with friction portion
(22)。
4. a kind of penknife according to claim 1, it is characterised in that: the inner ring surface setting of planing entrance B (11)
There are roller structure (28)；The roller structure (28) includes idler wheel (21), shaft (27), the inner ring of planing entrance B (11)
Face is recessed with idler wheel accommodating chamber (26), and the shaft (27) is fixed in idler wheel accommodating chamber (26) through idler wheel (21), the rolling
The axle center of (21) and the axle center of planing entrance B (11) are taken turns into vertical relation；The outer diameter face of the idler wheel (21) is protruded in institute
State idler wheel accommodating chamber (26) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353344.4U CN209111832U (en) | 2018-03-15 | 2018-03-15 | A kind of penknife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353344.4U CN209111832U (en) | 2018-03-15 | 2018-03-15 | A kind of penknife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209111832U true CN209111832U (en) | 2019-07-16 |
Family
ID=67194926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353344.4U Active CN209111832U (en) | 2018-03-15 | 2018-03-15 | A kind of penknife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209111832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580820A (en) * | 2021-08-30 | 2021-11-02 | 淄博职业学院 | Fine arts are with pencil nib thickness adjustable device of cutting |
-
2018
- 2018-03-15 CN CN201820353344.4U patent/CN209111832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580820A (en) * | 2021-08-30 | 2021-11-02 | 淄博职业学院 | Fine arts are with pencil nib thickness adjustable device of cutting |
| CN113580820B (en) * | 2021-08-30 | 2023-01-10 | 淄博职业学院 | Device is cut with adjustable thickness of pencil nib to fine arts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230613 Address after: 523000 No. 13 chukeng Industrial Road, Dongkeng Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN WODA OFFICE EQUIPMENT Co.,Ltd. Address before: No. 188 Jiuwei, Chukeng Second Team, Dongkeng Town, Dongguan City, Guangdong Province, 523451 Patentee before: DONGGUAN ATA ELECTRIC LTD. |
|
| TR01 | Transfer of patent right |