CN204567008U - The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed - Google Patents
The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed Download PDFInfo
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- CN204567008U CN204567008U CN201520045346.3U CN201520045346U CN204567008U CN 204567008 U CN204567008 U CN 204567008U CN 201520045346 U CN201520045346 U CN 201520045346U CN 204567008 U CN204567008 U CN 204567008U
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- pen tube
- pen
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- groove
- tube
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- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 title claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 210000003813 thumb Anatomy 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000282376 Panthera tigris Species 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed, it is characterized in that: comprise outer pen tube, inner pen tube, rotating disc and spiral snap-on; Outer pen tube is provided with internal tooth and spanner; Described inner pen tube is arranged on the inner side of outer pen tube, inner pen tube is provided with shallow bore hole, deep hole, filler ring, and the inwall of inner pen tube is provided with fixed groove and sliding recess uniformly between shallow bore hole and deep hole; Described rotating disc is fastened on the inside of inner pen tube, and helical disk is provided with trapezoidal sunken groove, groove, spring, and the top of spring is provided with gasket ring, and the center of spring is provided with column; Described spiral snap-on comprises the snap-on of setting, hook, screw thread, draw-in groove and pen core plug; The utility model has only used a metal spring at full pen, economizes in raw materials, reduces costs, and can reduce the diameter of pen, easy to use.Eliminate the difficulty of installation and removal simultaneously.The simple stable performance of inner structure, outer pen tube not very, full pen only uses rotating disc and spiral snap-on, is convenient to production and processing.
Description
Technical field:
The utility model relates to polychrome mechanical pencil technical field, specifically need not change the polychrome mechanical pencil that pen holding posture can control to switch color.
Background technology:
Polychrome mechanical pencil is can the manual mechanical pencil automatically changing different colours pen core, and at present, known polychrome mechanical pencil is that employing two hand operateds or other technical method that pen holding posture is obviously changed complete change-fountain pen core when change-fountain pen core.When we learn, change-fountain pen core is not only wasted time and energy but also is easily blocked the thinking of people in this way.Thus best change-fountain pen core method of operating should be labour-saving one-handed performance, and almost can not change the posture held a pen in operating process.Namely be close to a kind of simple operations method that just can complete under adopting subconscious state and carry out circulation replacement pen core.Polychrome mechanical pencil of the prior art also has following shortcoming, the morning twilight product that such as market is sold, the number of springs used is more, and four look mechanical pencils need use four springs, and production cost is higher, the diameter of shell is larger, be unfavorable for holding, structure member is more, is not easy to produce, and being not easy to dismounting and assembling, student uses once the assembling again that dismounting is just more difficult.
Utility model content:
Technical problem to be solved in the utility model is to provide a kind of polychrome mechanical pencil, the outer pen tube that the lower end that the thumb of the hand that this polychrome mechanical pencil only need hold a pen when not only operating rotates inner pen tube makes to be stuck in the tiger's jaw of hand for holding pencil rotates and just can complete circulation replacement pen core, and internal structure is simple, the low and stable performance of cost.
Solve technical problem adopt following technical scheme:
The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed, it is characterized in that: comprise outer pen tube, inner pen tube, rotating disc and spiral snap-on;
Be provided with internal tooth inside described outer pen tube, the arranged outside of outer pen tube has spanner;
Described inner pen tube is arranged on the inner side of outer pen tube, the upper inner wall of inner pen tube is provided with shallow bore hole, the lower inside wall of inner pen tube is provided with deep hole, the bottom of inner pen tube is provided with filler ring, and the inwall of inner pen tube is provided with fixed groove and sliding recess uniformly between shallow bore hole and deep hole;
Described rotating disc is fastened on the inside of inner pen tube, helical disk top is divided into four leaf blades uniformly, bottom four leaf blade is connected, blade forms a trapezoidal sunken groove each other, the centre position of four leaf blades forms a groove, be provided with spring in groove, the top of spring is provided with gasket ring, and the center of spring is provided with column;
Described spiral snap-on comprises the snap-on arranged on leading flank, arranges the hook on trailing flank, and spiral is arranged on the screw thread that upper side is caved in, and is fixedly installed on the draw-in groove of top side sidepiece, and is arranged on the pen core plug of bottom;
Be enclosed within outside described outer pen tube outside inner pen tube, the tone that is threaded into of its internal tooth and spiral snap-on is closed, and the trapezoidal sunken groove of parts spiral snap-on insertion parts rotating disc and hook stretches into trapezoidal sunken groove contacts with the column of rotating disc and be placed on its gasket ring; Snap-on simultaneously on spiral snap-on is stuck in the shallow bore hole of inner pen tube, spiral snap-on is not fallen because gasket ring falls when until knockout state, assorted pen core is inserted on the pen core plug of respective spiral snap-on lower end respectively, and rotating disc is positioned on the filler ring in inner pen tube.
The quantity of described fixed groove is 3, and the quantity of sliding recess is 9.
The quantity of described fixed groove is 2, and the quantity of sliding recess is 2.Four look mechanical pencils arrange structure.
Described helical disk top is divided into 3 leaf blades uniformly, and the quantity of described fixed groove is 2, and the quantity of sliding recess is 4.Three look mechanical pencils arrange structure.
The utility model is retracted a little and is arbitrarily stirred the built-in rotating disc of outer pen tube turn over 1/4th outer pen tube girths stretching out the thumb that holds a pen, thus introduces an external force to whole pen from rotating disc, drives whole pen to realize change-fountain pen core.This rotatable inner pen tube is positioned in outer pen tube, closes when the internal tooth of outer pen tube is initial with the tone that is threaded into of an inside spin snap-on.The stirring finally to have driven in the screw thread of the internal tooth of outer pen tube on spiral snap-on of thumb is moved, the relative inner pen tube of internal tooth moves in a circle all the time, owing to can not rotate about when spiral snap-on slides in fixed groove, thus spiral snap-on is forced to do vertical downward movement and Compress Spring.When internal tooth cover screw thread whole process and in the draw-in groove being stuck in screw tip time, snap-on on spiral snap-on has just also just snapped in the deep hole of fixed groove end downwards, it enters deep hole bottom because inertia spiral snap-on meeting continuation motion is downwards a bit of around here, now spiral snap-on can not rotate, internal tooth is stuck in and also cannot allows people's turn outer pen tube in draw-in groove, treat that the thumb instant spiral snap-on that relaxs one's efforts gets back to deep hole, this process completes out pen core.If the internal tooth be stuck in afterwards in draw-in groove continues to rotate, spiral snap-on driven rotary dish will be made to rotate together.This makes spiral snap-on be drawn into sliding recess in fixed groove, and upwards moves freely under the action of the spring along sliding recess, and this process completes receipts pen core.Due to the inclined design of draw-in groove, internal tooth can smoothly and exact separation.Owing to also can not rotate about when spiral snap-on slides in sliding recess, and continue to the screw thread entrance of next spiral snap-on smoothly in the of short duration time that internal tooth can move upward in spiral snap-on sliding recess, start next circulation.
The beneficial effects of the utility model are:
1, the utility model has only used a metal spring at full pen, economizes in raw materials, reduces costs.
2, the technical bottleneck that a pen core that existing polychrome mechanical pencil adopts overlaps a metal spring has successfully been abandoned on market, thus can the design of the refinement shaft of a writing brush to greatest extent, eliminate the difficulty of the installation and removal that market existing procucts bring due to four springs arranged side by side simultaneously.Many classmates but fill and do not return four springs because curiosity takes this series products of market apart and cause re-using this product.
3, the simple stable performance of an inner structure, outer pen tube not very, full pen only uses rotating disc and spiral snap-on, is convenient to production and processing.
Accompanying drawing illustrates:
Fig. 5 is polychrome mechanical pencil vertical section structural map.
Fig. 1-1 is the front view of spiral snap-on; Fig. 1-2 is the left view of spiral snap-on; Fig. 1-3 is top views of spiral snap-on.
Fig. 2-1 is the front view of rotating disc; Fig. 2-2 is top views of rotating disc.
Fig. 3-1 is inner pen tube inner vertical section front view; Fig. 3-2 is details place enlarged drawings of inner pen tube medium-length hole; Fig. 3-3 is inner pen tube inner cross-sectional top views; Fig. 3-4 is inner pen tube inwall details place enlarged drawings.
Fig. 4 is outer pen tube profilograph of the present utility model.
Wherein 1. spiral snap-on, 2. rotating disc, 3. inner pen tube, 4. outer pen tubes, 5. snap-on, 6. screw thread, 7. draw-in groove, 8. hook, 9. pen core plug, 10. gasket ring, 11. springs, 12. columns, 13. trapezoidal sunken grooves, 14. fixed grooves, 15. sliding recess, 16. shallow bore holes, 17. deep holes, 18. filler rings, 19. internal tooths, 20. spanners.
Detailed description of the invention:
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As Fig. 5,4, shown in 3-1,3-2,3-3,3-4,2-1,2-2,1-1,1-2 and 1-3, the polychrome mechanical pencil that pen holding posture can control to switch color need not be changed, comprise outer pen tube 4, inner pen tube 3, rotating disc 2 and spiral snap-on 1;
Be provided with internal tooth 19 inside outer pen tube 4, the arranged outside of outer pen tube 3 has spanner 20;
Inner pen tube 3 is arranged on the inner side of outer pen tube 4, the upper inner wall of inner pen tube 3 is provided with shallow bore hole 16, the lower inside wall of inner pen tube 3 is provided with deep hole 17, the bottom of inner pen tube 3 is provided with filler ring 18, and the inwall of inner pen tube 3 is provided with fixed groove 14 and sliding recess 15 uniformly between shallow bore hole 16 and deep hole 17;
Rotating disc 2 is fastened on the inside of inner pen tube 3, helical disk 2 top is divided into four leaf blades uniformly, bottom four leaf blade is connected, blade forms a trapezoidal sunken groove 13 each other, the centre position of four leaf blades forms a groove, be provided with spring 11 in groove, the top of spring 11 is provided with gasket ring 10, and the center of spring 11 is provided with column 12;
Spiral snap-on 1 comprises the snap-on 5 arranged on leading flank, arranges the hook 8 on trailing flank, and spiral is arranged on the screw thread 6 that upper side is caved in, and is fixedly installed on the draw-in groove 7 of top side sidepiece, and is arranged on the pen core plug 9 of bottom;
Be enclosed within outside inner pen tube 1 outside outer pen tube 2, its internal tooth 19 closes with the tone that is threaded into of spiral snap-on 1, and spiral snap-on 1 inserts the trapezoidal sunken groove 13 of rotating disc 2 and hook 8 stretches into trapezoidal sunken groove 13 contacts with the column 12 of rotating disc 2 and be placed on its gasket ring 10; Snap-on 5 simultaneously on spiral snap-on 1 is stuck in the shallow bore hole 16 of inner pen tube 3, spiral snap-on 5 is not fallen because gasket ring 10 falls when until knockout state, assorted pen core is inserted on the pen core plug 9 of respective spiral snap-on 5 lower end respectively, and rotating disc 2 is positioned on the filler ring 18 in inner pen tube 3.
The quantity of fixed groove is 2, and the quantity of sliding recess is 2.
Stir inner pen tube 3 lower end with the thumb of hand to make whole pen to be rotated, until the spanner 20 of the outer pen tube 4 of upper end is stuck on the tiger's jaw of staff, now continue to rotate, internal tooth 19 in outer pen tube 4 enters screw thread 6 from the porch of the screw thread 6 of one of them spiral snap-on 1, because internal tooth 19 does horizontal circular movement, screw thread snap-on 1 does and moves downward vertically, if radius of a circle is r, move downward distance d, then screw thread curvilinear equation can be asked as x=rcost; Y=rsint; Z=2dt/ ∏.Because fixed groove 14 left and right sides has stop to make snap-on 5 to move down, now snap-on 5 is in knockout state, because snap-on 5 has been made small moving down by internal tooth 19 that enter screw thread 6 entrance, thus snap-on 5 part in shallow bore hole 16 is entered about fixed groove 14 makes it be obstructed; The snap-on 5 being in reset state then can move left and right in shallow bore hole 16.Until snap-on 5 enter deep hole 17 and according to inertia continue to move down a bit of distance now the thumb snap-on 5 that only need slightly relax one's efforts just get back to deep hole 17 and be fixed, complete out pen core.Meanwhile, internal tooth 19 is covered screw thread 6 and is entered draw-in groove 7 and coincide with it, now continues to rotate then to make the snap-on 5 of spiral snap-on 1 enter sliding recess 15 from deep hole 17 pull-out, and driven rotary dish 2 rotates the radian of a lattice groove 15.Sliding recess 15 snap-on 5 can under spring 11 acts on free upwards Rapid reset.Due to the inclined design of draw-in groove 7, the draw-in groove 7 after moving upward can be separated rapidly with internal tooth 19, makes internal tooth 19 enter the entrance of the screw thread 6 on next spiral snap-on 1 smoothly, starts next circulation.Be the entrance entering screw thread 7 owing to devising internal tooth 19 initial state, as long as so in this four look four-core polychrome mechanical pencil embodiments fixed groove 14 3, sliding recess 15 9 is uniformly issued can complete circulation, if two fixed grooves 14, two sliding recess 15 are uniformly distributed and also can realize, and the present embodiment considers that the comfortableness of the anglec of rotation is designed to so.Shaft of a writing brush external diameter for the shaft of a writing brush forward part held a pen is only 9.98mm, and aft section shaft of a writing brush external diameter is only 12.18mm.And the data that I design-calculated size 9.98mm etc. adopt are median.Complete thickness the most slightly can be controlled within 12.18mm.
Also four groove types can be designed in other embodiments, because the feel of user can design various embodiments.Two fixed grooves, 14 4 sliding recess 15 are then only needed uniformly to distribute and can complete circulation for three look three core polychrome mechanical pencils.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. need not change the polychrome mechanical pencil that pen holding posture can control to switch color, it is characterized in that: comprise outer pen tube, inner pen tube, rotating disc and spiral snap-on;
Be provided with internal tooth inside described outer pen tube, the arranged outside of outer pen tube has spanner;
Described inner pen tube is arranged on the inner side of outer pen tube, the upper inner wall of inner pen tube is provided with shallow bore hole, the lower inside wall of inner pen tube is provided with deep hole, the bottom of inner pen tube is provided with filler ring, and the inwall of inner pen tube is provided with fixed groove and sliding recess uniformly between shallow bore hole and deep hole;
Described rotating disc is fastened on the inside of inner pen tube, helical disk top is divided into four leaf blades uniformly, bottom four leaf blade is connected, blade forms a trapezoidal sunken groove each other, the centre position of four leaf blades forms a groove, be provided with spring in groove, the top of spring is provided with gasket ring, and the center of spring is provided with column;
Described spiral snap-on comprises the snap-on arranged on leading flank, arranges the hook on trailing flank, and spiral is arranged on the screw thread that upper side is caved in, and is fixedly installed on the draw-in groove of top side sidepiece, and is arranged on the pen core plug of bottom;
Be enclosed within outside described outer pen tube outside inner pen tube, the tone that is threaded into of its internal tooth and spiral snap-on is closed, and the trapezoidal sunken groove of parts spiral snap-on insertion parts rotating disc and hook stretches into trapezoidal sunken groove contacts with the column of rotating disc and be placed on its gasket ring; Snap-on simultaneously on spiral snap-on is stuck in the shallow bore hole of inner pen tube, spiral snap-on is not fallen because gasket ring falls when until knockout state, assorted pen core is inserted on the pen core plug of respective spiral snap-on lower end respectively, and rotating disc is positioned on the filler ring in inner pen tube.
2. the pen holding posture that need not change according to claim 1 can control to switch the polychrome mechanical pencil of color, and it is characterized in that: the quantity of described fixed groove is 3, the quantity of sliding recess is 9.
3. the pen holding posture that need not change according to claim 1 can control to switch the polychrome mechanical pencil of color, and it is characterized in that: the quantity of described fixed groove is 2, the quantity of sliding recess is 2.
4. the pen holding posture that need not change according to claim 1 can control to switch the polychrome mechanical pencil of color, it is characterized in that: described helical disk top is divided into 3 leaf blades uniformly, the quantity of described fixed groove is 2, and the quantity of sliding recess is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045346.3U CN204567008U (en) | 2015-01-22 | 2015-01-22 | The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045346.3U CN204567008U (en) | 2015-01-22 | 2015-01-22 | The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed |
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| Publication Number | Publication Date |
|---|---|
| CN204567008U true CN204567008U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045346.3U Expired - Fee Related CN204567008U (en) | 2015-01-22 | 2015-01-22 | The polychrome mechanical pencil that pen holding posture can control to switch color need not be changed |
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| CN (1) | CN204567008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037658A (en) * | 2016-06-29 | 2016-10-26 | 中国人民解放军兰州军区兰州总医院 | Mechanical pain sensitivity measurement instrument |
-
2015
- 2015-01-22 CN CN201520045346.3U patent/CN204567008U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037658A (en) * | 2016-06-29 | 2016-10-26 | 中国人民解放军兰州军区兰州总医院 | Mechanical pain sensitivity measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151021 Address after: 234000 Anhui city in Suzhou province near the River Road No. 55 Patentee after: Suzhou College Address before: 234000 Eastern District of Suzhou University, Anhui, Suzhou Patentee before: Lu Biao |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |