CN2298137Y - Pencil with preventing myopic - Google Patents
Pencil with preventing myopic Download PDFInfo
- Publication number
- CN2298137Y CN2298137Y CN 97228144 CN97228144U CN2298137Y CN 2298137 Y CN2298137 Y CN 2298137Y CN 97228144 CN97228144 CN 97228144 CN 97228144 U CN97228144 U CN 97228144U CN 2298137 Y CN2298137 Y CN 2298137Y
- Authority
- CN
- China
- Prior art keywords
- sliding outer
- penholder
- outer cover
- penholder bottom
- pen
- 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
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to a pen for preventing myopia. The lower part of a penholder, which is near to a pen nib is clamped with a sliding outer sheath with the length of 20 to 30 mm. When a writer uses the hand to hold the sliding outer sheath for writing, because of pressure of the hand and paper, the sliding outer sheath can move downwards for storing the pen nib in the sliding outer sheath; thus, the writer can not write. Therefore, the writer needs to use the hand to hold the penholder above the sliding outer sheath for ensuring that the correct posture is formed for holding the pen for writing, so the effect of preventing the myopia is realized.
Description
The utility model relates to a kind of pen of myopia prevention in advance.
Modern medicine is thought, the pathogenic factor of myopia is main and with unhygienic direct relation arranged except foreign genetic element, therefore, pre-myopia prevention must be worked hard with eye from reasonable, the teenager is in study, write time of accounting for is more, the quality of writing posture, pre-myopia prevention is counted for much, and the correctness of writing affects writing posture to a great extent, as it is incorrect to hold a pen, and too close nib holds a pen, finger blocks sight line, so just forces slanting head when writing, forcing down head sees oneself write (particularly how the pupil writes like this) writes for a long time like this and will cause myopia.
The purpose of this utility model is to provide a kind of pen of pre-myopia prevention, and the person of writing is held a pen correctly, and when the close nib that holds a pen write, the nib withdrawal made it and can not write, thereby reaches the purpose of pre-myopia prevention.
The purpose of this utility model is achieved in that
A kind of pen of pre-myopia prevention, comprise penholder bottom and penholder top be spirally connected combination penholder and the band nib pencil lead, it is characterized in that in penholder bottom holding length be the sliding outer cover of 20-30mm.
The outside, upper end that the fastening structure of this penholder bottom and sliding outer cover is included in the penholder bottom is provided with at least one clamping slot, the length of the length 〉=nib of this clamping slot, and this sliding outer cover inboard is to being provided with protuberance by clamping slot, and this protuberance slides in this clamping slot.
The fastening structure of penholder bottom and sliding outer cover is included in the last end device spring of penholder bottom, and this sliding outer cover is by this spring and this penholder bottom activity holding.
The fastening structure of penholder bottom and sliding outer cover is included in the upper end fixture magnet of penholder bottom, and the sliding outer cover of irony structure is by movable long the putting of this magnet and this penholder bottom.
Major advantage of the present utility model is, owing at the bottom holding sliding outer cover of penholder near nib, just make when writing with a pen word, must grip penholder more than the sliding outer cover with hand, and this just guarantees correct body position of holding a pen and writing, reaches the effect of pre-myopia prevention.
Describe in detail below in conjunction with preferred embodiment and accompanying drawing;
Fig. 1 is structural representation of the present utility model (broken section):
Fig. 2 is the structural representation (broken section) of the utility model embodiment 2;
Fig. 3 is the structural representation (broken section) of the utility model embodiment 3;
Embodiment 1
Consult Fig. 1; the utility model is holding sliding outer cover 3 on the close penholder bottom 1 of nib 2; the length of sliding outer cover 3 is good less than 30mm; this penholder bottom 1 is connected by screw thread 5 with penholder top 4; the outside, upper end in penholder bottom 1 is provided with clamping slot 6; the equal in length of the length of clamping slot 6 and nib 2; be provided with protuberance 31 at sliding outer cover 3 inboard corresponding clamping slots; this protuberance 31 can slide in clamping slot 6; when writing with hand gripping sliding outer cover 3; because the pressure between hand and the paper makes protuberance 31 move down along clamping slot 6, when protuberance 31 was fastened on the bottom of clamping slot 6, nib 2 was just hidden to go in the sliding outer cover 3; can't write; therefore the writer must could normally write on the penholder top 4 of gripping sliding outer cover more than 3, guarantees that the writer has correct writing posture, has vision protection and prevents near-sighted effect.
Embodiment 2
Consult Fig. 2, the fastening structure of sliding outer cover 3 and penholder bottom 1 can also be by the outside, the upper end installing spring 7 in penholder bottom 1, make sliding outer cover 3 by the elastic force holding of spring 7 in the outside of penholder bottom 1, and can upper and lowerly slide.
Consult Fig. 3, when being the irony structure for sliding outer cover 3, the fastening structure of itself and penholder bottom 1 can also be by being fixed on the fixed magnet 8 of 1 upper end, penholder bottom, the sliding outer cover 3 of irony structure is by magnet 8 and the 1 activity holding of penholder bottom, for preventing sliding outer cover 3, can also be respectively provided to a few stopper slot and embedding fabrication in the outside of penholder bottom 1 and the inboard of sliding outer cover 3 from 1 landing of penholder bottom.
Claims (4)
1. the pen of a pre-myopia prevention comprises penholder bottom and penholder top the be spirally connected penholder of combination and the pencil lead of band nib, it is characterized in that in penholder bottom holding length be the sliding outer cover of 20-30mm.
2. pen according to claim 1, the outside, upper end that the fastening structure that it is characterized in that this penholder bottom and sliding outer cover is included in the penholder bottom is provided with at least one clamping slot, the length of the length 〉=nib of this clamping slot, this sliding outer cover inboard is to being provided with protuberance by clamping slot, and this protuberance slides in this clamping slot.
3. pen according to claim 1 is characterized in that the fastening structure of this penholder bottom and sliding outer cover is included in the last end device spring of penholder bottom, and this sliding outer cover is by this spring and this penholder bottom activity holding.
4. pen according to claim 1, it is characterized in that the fastening structure of this penholder bottom and sliding outer cover is included in the upper end fixture magnet of penholder bottom, the sliding outer cover of irony structure is by this magnet and this penholder bottom activity holding, upper outside in this penholder bottom is provided with at least one stopper slot, in the inboard correspondence of this sliding outer cover the embedding fabrication is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228144 CN2298137Y (en) | 1997-10-10 | 1997-10-10 | Pencil with preventing myopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228144 CN2298137Y (en) | 1997-10-10 | 1997-10-10 | Pencil with preventing myopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2298137Y true CN2298137Y (en) | 1998-11-25 |
Family
ID=33941367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97228144 Expired - Fee Related CN2298137Y (en) | 1997-10-10 | 1997-10-10 | Pencil with preventing myopic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2298137Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059014A (en) * | 2015-08-02 | 2015-11-18 | 文成县简创科技有限公司 | Pen |
-
1997
- 1997-10-10 CN CN 97228144 patent/CN2298137Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059014A (en) * | 2015-08-02 | 2015-11-18 | 文成县简创科技有限公司 | Pen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: NO. 1, UNIT 1, BUILDING 11, HAIGANGYANSHANLI, QINHUANGDAO CITY, HEBEI PROVINCE, 066000 TO: LINKOU COUNTY, HEILONGJIANG PROVINCE, 157600 |
|
| CP03 | Change of name, title or address |
Address after: 157600 Heilongjiang province Linkou iron electricity section Ren Kai Cheung to yellow Zhanshu Patentee after: Huang Zhanshu Address before: 066000 Hebei Qinhuangdao city harbor in Yanshan 11 Building 1 Unit No. 1 Hengchen turn yellow Zhanshu solution Patentee before: Huang Zhanshu |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |