CN204263807U - Automatic pencil feeder for sharpener - Google Patents
Automatic pencil feeder for sharpener Download PDFInfo
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- CN204263807U CN204263807U CN201420634470.9U CN201420634470U CN204263807U CN 204263807 U CN204263807 U CN 204263807U CN 201420634470 U CN201420634470 U CN 201420634470U CN 204263807 U CN204263807 U CN 204263807U
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- rubber tire
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Abstract
The utility model discloses a kind of automatic pencil feeder for sharpener, its by support and be fixed on transmission mechanism on support, with transmission mechanism with the use of axle form, above-mentioned axle is two, be separately fixed at transmission mechanism both sides, above-mentioned transmission mechanism is Worm-gear type, by being fixed on the master gear of carriage center and being fixed on by worm screw the travelling gear engaged on support and with master gear and forming, moving axis is with to rotate in order to enable transmission mechanism, worm gear on axle overlaps, ratchet and sleeve pipe on overlapping on axle again, and rubber tire is overlapped on sleeve pipe, two rubber tires need misplace design.Adopt and enter pen device after said structure: make into pen more steady, avoid the intermittence of transmission, drastically reduce the area friction, decrease noise, the resistance rotating penknife greatly reduces, and drastically increases this kind of performance and life-span of automatically entering pen device.
Description
Technical field
The utility model relates to a kind of penknife accessory, refers in particular to a kind of automatic pencil feeder for sharpener.
Background technology
Penknife is employed widely, the pen device that enters of existing automatic penknife comprises support, turning wheel and two cogged tooth axles of installation, turning wheel is processed with protruding tooth bar, drive tooth axle by tooth bar during use, the pen device that enters being: a kind of self arrangement pencil sharpener disclosed in CN2033331659U as notification number is just said structure, but there is following shortcoming in such pen device that enters: 1. because the raised tooth bar negligible amounts of turning wheel, turning wheel is within the most of the time of rotating, protruding tooth bar not with gearing, cut in a process, can obviously feel into a discontinuity, the feel of user is bad, 2. protruding spoke is rotated by the mode driven gear of frictional impact, because of frictional impact between the two can produce noise and rotate to cut time resistance larger, 3. cutting nib when pen puts in place is against on a resistance block, the power inwardly advanced due to pencil do not reduce make nib be subject to larger pressure and with an only block friction and nib is worn and torn, all the time have cutting force to exist and do not reach the effect of smoothing nib, cause backing out crisp, pen core is not round and smooth, 4. when to cut, pen and then turns.
Utility model content
Technical problem to be solved in the utility model be to provide pencil when one is cut be do not spin or seldom spin, feel easily enters that pen is steady, transmission is continuous, noiselessly automatically enter pen device.
For reaching above-mentioned effect, the technical solution adopted in the utility model is: a kind of automatic pencil feeder for sharpener, comprise support and be fixed on the transmission mechanism on support, described support is also fixed with transmission mechanism with the use of axle, described axle is put in transmission mechanism both sides respectively, on diaxon, cover has sleeve pipe and is fixed on rubber tire on sleeve pipe respectively, and two rubber tires need stagger design.Above-mentioned design, by adding rubber tire and two rubber tires stagger on axle, prevents pencil from rotating by the chucking power of rubber tire to pencil during use, and the design chucking power that staggers can be larger, the design of sleeve pipe make rubber tire be not directly be coupling touch pen is extracted time leicht fallen D/A.
As preferably, described transmission mechanism is Worm-gear type, by being fixed on the master gear of carriage center and being fixed on the travelling gear that support engages with master gear and forming, travelling gear is fixed by worm screw and support, and described transmission mechanism also comprises and is fixed on worm gear on axle and ratchet.Above-mentioned employing Worm Wheel System, reliable transmission, can not produce noise, and planing stops clear-cut.
As preferably, described worm screw and support are fixed by a clip.Above-mentioned design is that structure is more firm, prevents worm screw from offseting.
As preferably, described worm gear coordinates with worm screw, and one, the ratchet on described axle to be fixed between worm gear with rubber tire and to be connected with worm gear, and another is fixed between rubber tire and support.Above-mentioned project organization more rationally realizes into the continuous sure effect of pen.
As preferably, on the axle that described ratchet is fixed on the opposite side of its rubber tire of axle between worm gear and rubber tire, also cover has positioning sleeve, leaves gap, also leave gap between the rubber tire on another root axle and ratchet between above-mentioned rubber tire and ratchet.Reliable continuously when above-mentioned design more rationally realizes cutting, it is clear-cut to stop when stopping cutting, and reaches written smoothing effect, and nib is rounder and more smooth.
Compared with prior art the utility model has the advantage of: prevent pencil from rotating and make to cut a better effects if, cut the light noiselessness of a feel, the little long service life of the firm wearing and tearing of drive mechanism.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is automatic pencil feeder for sharpener structural representation described in the utility model.
Fig. 2 is the utility model pencil locking schematic diagram.
Fig. 3 is the utility model using state figure.
As described in Fig. 1 to Fig. 3,1, support; 2, axle; 3, rubber tire; 4, master gear; 5, travelling gear; 6, worm screw; 7, worm gear; 8, ratchet; 9, clip; 10, positioning sleeve; 11, knife rest; 12, a block is stopped; 13, sleeve pipe.
Detailed description of the invention
As shown in Figure 1, the automatic pencil feeder for sharpener that the utility model provides its by support 1 and the transmission mechanism that is fixed on support 1, with transmission mechanism with the use of axle 2 form, above-mentioned axle 2 is two, be separately fixed at transmission mechanism both sides, above-mentioned transmission mechanism is Worm-gear type, by being fixed on the master gear 4 at support 1 center and being fixed on by worm screw 6 travelling gear 5 engaged on support 1 and with master gear 4 and forming, moving axis 2 is with to rotate in order to enable transmission mechanism, axle 2 overlaps worm gear 7, can on axle 2, overlap sleeve pipe in order to pencil when preventing from sharpening a pencil rotates us and on sleeve pipe, overlap rubber tire 3, two rubber tires 3 need misplace design.
Realize above-mentioned rubber tire 3 dislocation design method prioritizing selection on axle 2 cover on ratchet 8 and lining 10, on two axles 2, the part order of cover is not identical, for Fig. 1, left side this root axle 2 order be from top to bottom worm gear 7, in have rubber tire 3, the ratchet 8 of sleeve pipe, wherein worm gear 7 is fixed on axle 2, right side this root axle 2 order is from top to bottom worm gear 7, ratchet 8, in have rubber tire 3, the positioning sleeve 10 of sleeve pipe.
In order to make rubber tire 3 can increase the clamping force of pencil when to cut, must leave between rubber tire 3 and ratchet 8 can for the gap of rubber tire 3 movement.
Further illustrating, in order to prevent worm screw 6 deviation post in use, a clip 9 can be added between worm screw 6 top and support 1.
Further illustrate, the optimum operating mode of automatic pencil feeder for sharpener is for drive master gear 4 to rotate by knife rest 11, nutating gear 5 is with to rotate by master gear 4, travelling gear 5 drives worm gear 7 to rotate by worm screw 6, thus realize rotating into pen device, because two rubber tires 3 are oppositely mobile, thus can pencil be clipped as shown in Figure 2, simultaneously because two worm gears 7 can push pencil with the rubber tire rotation on moving axis 2 toward knife rest direction, finally encounter an only block 12, the mounting means of knife rest 11 as shown in Figure 3.
Further illustrate, because rubber tire 3 is embedded with sleeve pipe, rubber tire 3 is movably arranged on axle 2 by sleeve pipe, when pencil is fined away, during only block 12 above Stylus contact to knife rest 11, only a block 12 gives pencil a resistance, under the double action of the only planing amount minimizing of a block 12 resistance and pencil, pencil can greatly reduce to rubber tire 3 torsion, now rubber tire 3 will depart from ratchet 8 or the contact few with ratchet 8, rubber tire 3 is skidded on axle 2, the torsion making axle 2 pass to rubber tire 3 disappears, now nib reduces the pressure stopping a block 12, nib is no longer worn, at the end of finally cutting pen, can easily slide because rubber tire 3 is embedded with sleeve pipe 13 on axle 2 and roll, pen also can easily be drawn out of.
Further illustrate owing to leaving gap between two rubber tires 3 and ratchet 8, two rubber tires 3 can be moved back and forth, during planing pencil, pencil can to rubber tire torsion, this torsion can force rubber tire 3 near ratchet 8 by frictional force, when rubber tire 3 the closer to during ratchet 8 to the clamping force of pencil also larger and rubber tire 3 give the thrust of pencil also larger.Adopt worm-drive to make into pen more steady, avoid the intermittence of transmission, drastically reduce the area friction, decrease noise, the resistance of rotation pencil greatly reduces, and drastically increases this kind of performance and life-span of automatically entering pen device.
The announcement of book and guidance according to the above description, the utility model those skilled in the art can also carry out suitable modifications and changes to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, in addition, although employ some particular term or title in description, but these particular term or title are just for convenience of description, do not form any restriction to the utility model.
Claims (5)
1. an automatic pencil feeder for sharpener, comprise support and be fixed on the transmission mechanism on support, described support is also fixed with transmission mechanism with the use of axle, it is characterized in that: described axle is put in transmission mechanism both sides respectively, diaxon is equipped with respectively sleeve pipe and is fixed on the rubber tire on sleeve pipe, axle does not directly contact with rubber tire, and two rubber tires need stagger design.
2. automatic pencil feeder for sharpener according to claim 1, it is characterized in that: described transmission mechanism is Worm-gear type, by being fixed on the master gear of carriage center and being fixed on the travelling gear that support engages with master gear and forming, travelling gear is fixed by worm screw and support, and described transmission mechanism also comprises and is fixed on worm gear on axle and ratchet.
3. automatic pencil feeder for sharpener according to claim 2, is characterized in that: described worm screw and support are fixed by a clip.
4. automatic pencil feeder for sharpener according to claim 3, is characterized in that: described worm gear coordinates with worm screw, and one, the ratchet on described axle is fixed between worm gear and rubber tire, and one is be fixed between rubber tire and support.
5. automatic pencil feeder for sharpener according to claim 4, it is characterized in that: also stationary positioned cover on the axle that described ratchet is fixed on the opposite side of its rubber tire of axle between worm gear and rubber tire, leave gap between above-mentioned rubber tire and ratchet, between the rubber tire on another root axle and ratchet, also leave gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634470.9U CN204263807U (en) | 2014-10-23 | 2014-10-23 | Automatic pencil feeder for sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634470.9U CN204263807U (en) | 2014-10-23 | 2014-10-23 | Automatic pencil feeder for sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204263807U true CN204263807U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420634470.9U Active CN204263807U (en) | 2014-10-23 | 2014-10-23 | Automatic pencil feeder for sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204263807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599509A (en) * | 2016-03-14 | 2016-05-25 | 宁波三众文具有限公司 | Automatic pen feeding device |
| CN112959846A (en) * | 2021-04-14 | 2021-06-15 | 温州千里目文具有限公司 | Pencil feeding structure of pencil sharpener |
-
2014
- 2014-10-23 CN CN201420634470.9U patent/CN204263807U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599509A (en) * | 2016-03-14 | 2016-05-25 | 宁波三众文具有限公司 | Automatic pen feeding device |
| CN112959846A (en) * | 2021-04-14 | 2021-06-15 | 温州千里目文具有限公司 | Pencil feeding structure of pencil sharpener |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |