CN207579408U - A kind of push type lead pencil knife - Google Patents
A kind of push type lead pencil knife Download PDFInfo
- Publication number
- CN207579408U CN207579408U CN201720196486.XU CN201720196486U CN207579408U CN 207579408 U CN207579408 U CN 207579408U CN 201720196486 U CN201720196486 U CN 201720196486U CN 207579408 U CN207579408 U CN 207579408U
- Authority
- CN
- China
- Prior art keywords
- cutter
- push type
- type lead
- transmission gear
- guiding groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of push type lead pencil knifes, including housing, cutter, scrap case is provided with below the enclosure interior, dregs guiding groove is provided with above the scrap case, the cutter is provided with above the dregs guiding groove, clamper is provided in front of the cutter, the cutter rear is provided with shaft, the shaft tail portion is provided with transmission gear, limiting slot is provided in the transmission gear inner circle, buckle has block in the limiting slot, small pressure spring is provided below in the block, limit hole is provided below in the small pressure spring, the transmission gear side is provided with rack, big compression spring is provided with above the rack, it is provided with above the big compression spring by press button.Advantageous effect is：It is sharpened a pencil by way of pressing, it is simple to operate.
Description
Technical field
The utility model is related to study article field, more particularly to a kind of push type lead pencil knife.
Background technology
Pencil is pupil's study or a kind of common tool of sketch, and one layer of wooden crust is enclosed with outside pencil,
It needs that crust is reamed and could be used using penknife during use.Application No. is 201420169770.4 Chinese patents, open
One penknife, including a blade；One housing, the housing have a receptive cavity and one cut a hole, the receptive cavity with
A hole of cutting is connected；And one adjust unit, it is described adjusting unit include one first adjustment means and one second adjust knot
Component, the one end of the blade are movably arranged in the housing, and the other end of the blade is installed on described first and adjusts
Component is saved, when first adjustment means do the movement relative to second adjustment means, the blade and the housing
Angle be adjusted.It needs to go shaft pencil or blade that could complete the work to sharpen a pencil manually when sharpening a pencil in above-mentioned patent,
It is inconvenient to use.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of push type lead pencil knife.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of push type lead pencil knife including housing, cutter, is provided with scrap case below the enclosure interior, described useless
Dregs guiding groove is provided with above bits case, the cutter is provided with above the dregs guiding groove, is provided with clamper in front of the cutter, institute
It states cutter rear and is provided with shaft, the shaft tail portion is provided with transmission gear, limiting is provided in the transmission gear inner circle
Slot, the interior buckle of the limiting slot have block, and small pressure spring is provided below in the block, and limiting is provided below in the small pressure spring
Hole, the transmission gear side are provided with rack, and big compression spring is provided with above the rack, be provided with above the big compression spring by
Press button.
In above structure, pencil is stuck in the clamper, press down on back and forth it is described by press button, it is described by press button to
When lower mobile, transmission gear described in the rack drives rotates, and the transmission gear drives the shaft rotation, the shaft band
The dynamic cutter rotation peels to pencil, when it is described moved up under the action of the big compression spring by press button when, due to
The block cannot be stuck in the limiting slot, and the shaft will not rotate when the transmission gear rotates, so as to fulfill described
Cutter can only one direction rotation.
Further, the housing is made of ABS engineering plastics, and the clamper is fixed by a pin to the housing
Front upper place.
Further, the dregs guiding groove is mounted on the enclosure interior by card slot, and the dregs guiding groove front apron is transparent
Material is made, and the dregs guiding groove front apron both sides are provided with anti-skid chequer.
Further, the shaft is fixed on the enclosure interior by bearing block, and the cutter is fixed by screws in
The shaft front end.
Further, the limit hole is molded over the shaft tail portion, and the small pressure spring is buckled in the limit hole, institute
It states small pressure spring and is in compressive state.
Further, the limiting slot is molded in the transmission gear inner circle, and the slot cross-section that limits is triangle, institute
State limiting slot and the block clearance fit.
Further, the rack meshes together with the transmission gear, and the rack passes through the big compression spring and institute
It states and links together by press button.
The beneficial effects of the utility model are：It is sharpened a pencil by way of pressing, it is simple to operate.
Description of the drawings
Fig. 1 is a kind of structure diagram of push type lead pencil knife described in the utility model；
Fig. 2 is a kind of transmission gear scheme of installation of push type lead pencil knife described in the utility model.
The reference numerals are as follows：
1st, housing；2nd, shaft；3rd, transmission gear；4th, rack；5th, big compression spring；6th, by press button；7th, cutter；8th, dregs guiding groove；9、
Scrap case；10th, limiting slot；11st, block；12nd, limit hole；13rd, small pressure spring；14th, clamper.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of push type lead pencil knife, including housing 1, cutter 7,1 lower inside of housing is provided with
Scrap case 9, scrap case 9 are used for storing pencil chip, and 9 top of scrap case is provided with dregs guiding groove 8, and 8 top of dregs guiding groove is provided with cutter
7, cutter 7 is used for sharpening a pencil, and 7 front of cutter is provided with clamper 14, and clamper 14 is used for fixing pencil, prevents pencil from rotating,
7 rear of cutter is provided with shaft 2, and 2 tail portion of shaft is provided with transmission gear 3, limiting slot 10 is provided in 3 inner circle of transmission gear,
Buckle has block 11 in limiting slot 10, and block 11 is used for so that small pressure spring is provided below in the rotation of 2 one direction of shaft, block 11
13, limit hole 12 is provided below in small pressure spring 13, and 3 side of transmission gear is provided with rack 4, and 4 top of rack is provided with big compression spring
5, big 5 top of compression spring is provided with by press button 6.
In above structure, pencil is stuck in clamper 14, is pressed down on back and forth by press button 6, is moved down by press button 6
When, rack 4 is rotated with nutating gear 3, and transmission gear 3 drives shaft 2 to rotate, and shaft 2 rotates with cutter 7 and pencil is carried out
It peels, when being moved up under the action of big compression spring 5 by press button 6, since block 11 cannot be stuck in limiting slot 10, driving cog
Shaft 2 will not rotate during 3 rotation of wheel, can only one direction rotation so as to fulfill cutter 7.
Further, housing 1 is made of ABS engineering plastics, and clamper 14 is fixed by a pin to 1 front upper place of housing,
Dregs guiding groove 8 is mounted on by card slot inside housing 1, and 8 front apron of dregs guiding groove is made of transparent material, 8 front apron both sides of dregs guiding groove
Anti-skid chequer is provided with, shaft 2 is fixed on by bearing block inside housing 1, and cutter 7 is fixed by screws in 2 front end of shaft, limiting
Hole 12 is molded over 2 tail portion of shaft, and small pressure spring 13 is buckled in limit hole 12, and small pressure spring 13 is in compressive state, limiting slot 10 into
Type is in 3 inner circle of transmission gear, and 10 section of limiting slot is triangle, limiting slot 10 and 11 clearance fit of block, and rack 4 is with being driven
Gear 3 meshes together, and rack 4 is by big compression spring 5 with linking together by press button 6.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (7)
1. a kind of push type lead pencil knife, it is characterised in that：Including housing, cutter, scrap is provided with below the enclosure interior
Case, the scrap case top are provided with dregs guiding groove, the cutter are provided with above the dregs guiding groove, is provided in front of the cutter
Clamper, the cutter rear are provided with shaft, and the shaft tail portion is provided with transmission gear, is set in the transmission gear inner circle
Limiting slot is equipped with, buckle has block in the limiting slot, and small pressure spring is provided below in the block, and the small pressure spring is provided below
There is limit hole, the transmission gear side is provided with rack, and big compression spring is provided with above the rack, is set above the big compression spring
It is equipped with by press button.
2. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The housing uses ABS engineering plastics
Material is made, and the clamper is fixed by a pin to the housing front upper place.
3. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The dregs guiding groove is installed by card slot
In the enclosure interior, the front apron of the dregs guiding groove is made of transparent material, and the front apron both sides of the dregs guiding groove are provided with
Anti-skid chequer.
4. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The shaft is fixed by bearing block
In the enclosure interior, the cutter is fixed by screws in the shaft front end.
5. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The limit hole is molded over described turn
Axis tail portion, the small pressure spring are buckled in the limit hole, and the small pressure spring is in compressive state.
6. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The limiting slot is molded over the biography
In moving gear inner circle, the limiting slot cross-section is triangle, the limiting slot and the block clearance fit.
7. a kind of push type lead pencil knife according to claim 1, it is characterised in that：The rack and the transmission gear
Mesh together, the rack is linked together by the big compression spring with described by press button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196486.XU CN207579408U (en) | 2017-03-02 | 2017-03-02 | A kind of push type lead pencil knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196486.XU CN207579408U (en) | 2017-03-02 | 2017-03-02 | A kind of push type lead pencil knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207579408U true CN207579408U (en) | 2018-07-06 |
Family
ID=62717066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720196486.XU Expired - Fee Related CN207579408U (en) | 2017-03-02 | 2017-03-02 | A kind of push type lead pencil knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207579408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976896A (en) * | 2021-03-24 | 2021-06-18 | 万智昌 | Drawing is with log pencil sharpening receiver |
-
2017
- 2017-03-02 CN CN201720196486.XU patent/CN207579408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976896A (en) * | 2021-03-24 | 2021-06-18 | 万智昌 | Drawing is with log pencil sharpening receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180706 Termination date: 20190302 |