CN100594169C - Miniaturized paper feed device - Google Patents
Miniaturized paper feed device Download PDFInfo
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- CN100594169C CN100594169C CN200610138387A CN200610138387A CN100594169C CN 100594169 C CN100594169 C CN 100594169C CN 200610138387 A CN200610138387 A CN 200610138387A CN 200610138387 A CN200610138387 A CN 200610138387A CN 100594169 C CN100594169 C CN 100594169C
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- paper feed
- spare
- interlock
- primary shaft
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Abstract
The invention relates to a miniature form feeding device, which comprises a first axle element. The first end of the first axle element is interlocked with a drive wheel, a second end opposite to thefirst end is interlocked with an interlocking wheel part of a second axle element through a drive wheel part to generate rotation; therefore, under the condition of not influencing the interlock ratioof the drive to the drive wheel, the drive wheel part opposite to the drive wheel and the interlocking wheel part can reduce the volume and the occupied width, thereby reducing the overall width. Moreover, when a motor drives the drive part to rotate toward a direction, a unidirectional interlocking unit can be utilized to ensure that the first axle element and the second axle element do not rotate when a form feeding unit is interlocked, thereby saving the energy.
Description
Technical field
The invention relates to a kind of chart drive assembly,, be meant a kind of being applied to especially such as the miniaturization paper feed device of printing on the facility.
Background technology
As Fig. 1, Fig. 2 and shown in Figure 3, the chart drive assembly of existing a kind of photo printer comprises a casing unit 1, and is installed in primary shaft spare 3, that this casing unit 1 in-to-in motor 2, drives by this motor 2 and is arranged on the paper feed unit 7 that second part 4 of this primary shaft spare 3 one sides, steering unit 6 and that the belt 5, of a winding between this first and second part 3,4 is arranged on this primary shaft spare 3 opposite sides are arranged on these steering unit 6 one sides abreast.This motor 2 has a gear 201.This primary shaft spare 3 has first follower 302 that a driving wheel 301 and that driven by this gear 201 is located at these driving wheel 301 1 sides.This second part 4 has a pair of flower wheel 401 that should driving wheel 301, and this belt 5 is windings on this driving wheel 301 and this flower wheel 401, and can be with the transmission of power of primary shaft spare 3 to this second part 4.This steering unit 6 has second follower 601, that is subjected to that this first follower 302 drives and links with this second follower 601 and can rotate swing arm 602 and transfer wheel 603 that is located in this swing arm 602 and is subjected to these second follower, 601 drivings that produces swing with this second follower 601.This paper feed unit 7 has one and can be subjected to first runner 701, one second runner 702 and several engagements of these transfer wheel 603 transmissions to be serially connected in delivery wheel 703 between this first runner 701 and this second runner 702.
When activating this motor 2 and making this gear 201 (shown in Fig. 2 arrow) towards anticlockwise motion, this driving wheel 301 and first follower 302 can rotate toward clockwise direction, and drive this second follower 601 towards anticlockwise motion, upwards swing, this transfer wheel 603 upwards are engaged in this first runner 701 can to drive this swing arm 602 simultaneously, and utilize the transmission of described delivery wheel 703, can drive this second runner 702 at last and rotate, just paper can be brought into this 1 inside, casing unit toward clockwise direction.
As shown in Figure 4, when paper feed and through scheduled delay, the gear 201 that can control this motor 2 again rotates (shown in Fig. 4 arrow) toward clockwise direction, this driving wheel 301 and first follower 302 can be toward anticlockwise motions, and driving this second follower 601 rotates toward the clockwise direction, can drive this swing arm 602 simultaneously to lower swing and to the location, make this transfer wheel 603 break away from from this first runner 701, then the power of this motor 2 just can not drive this paper feed unit 7, and this driving wheel 301 will utilize this belt 5 and drive this second part 4 toward anticlockwise motions, and reaches row's paper purpose.
Though this chart drive assembly can reach automatic paper feed, row's paper purpose, and following disappearance is but arranged:
One, in the time of will arranging paper, be to utilize driving wheel 301 to drive this belt 5 and this second part 4 past anticlockwise motions, and in order to make this gear 201 and this driving wheel 301 reach certain interlock ratio, the number of teeth of this driving wheel 301, pitch circle diameter all can be bigger, and in order to reach the constant speed interlock, the number of teeth of this flower wheel 401, pitch circle diameter all can be identical with driving wheel 301, and thus, the width of whole chart drive assembly and volume all can be bigger.
Two, when when carrying out the paper feed operation, the power of motor 2 also can drive this first and second part 3,4 and carry out unnecessary rotation, and can cause the waste of electric power except meeting drives this paper feed unit 7.
Summary of the invention
Therefore, the object of the invention is promptly providing a kind of configuration that utilizes member can reduce width, is saving the chart drive assembly of electric power and overall volume miniaturization.
So one implements aspect according to the present invention, a miniaturization paper feed device comprises a casing unit and is installed in this casing unit in-to-in one driving link, and this driving link has a driving wheel; Axle is located at this casing unit in-to-in one primary shaft spare, one second part.This primary shaft spare has one and is subjected to the first end of this driving wheel interlock, the second end and of an opposite setting with this first end to be arranged on the drive wheel portion of this second end.This second part is to be arranged on this primary shaft spare one side abreast, and has one and be located at the connecting traction wheel portion of this interlock end corresponding to the interlock end and of this second end, and this connecting traction wheel portion is driven by this drive wheel portion to rotate.
The present invention's effect, be utilize this driving wheel with this connecting traction wheel portion, drive wheel portion is opposite is provided with, can not influence interlock that this driving wheel driven than under the situation, this drive wheel portion and connecting traction wheel portion can reduce volume and take width, and integral width can be reduced.
According to another aspect of the present invention, a miniaturization paper feed device comprises a casing unit and is installed in this casing unit in-to-in one motor, a driving link, a paper feeder unit, a unidirectional interlock unit, a steering unit, a paper feed unit.This motor has a gear.This driving link has a driving wheel that is subjected to this gear drive.This paper feeder unit has one and is arranged on second part of this primary shaft spare one side abreast with the primary shaft spare and of the coaxial setting of this driving link, and this primary shaft spare has a drive wheel portion, and this second part has a connecting traction wheel portion that driven by this drive wheel portion.This unidirectional interlock unit is arranged between this driving link and this primary shaft spare, when this unidirectional interlock unit rotates towards a first direction, but this primary shaft spare of interlock rotates towards first direction, when this unidirectional interlock unit rotates this primary shaft spare transfixion towards a second direction.This steering unit is to be located at this driving link one side in contrast to this second part axle, driven by this driving link and towards this first direction and this second direction rotating wherein.This paper feed unit is arranged on this steering unit one side, is subjected to this steering unit transmission and can rotates towards this second direction.
Effect of the present invention is utilized the setting of this unidirectional interlock unit, and in the time of can making this paper feed unit be subjected to interlock, this first and second part does not rotate, to save the energy.
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly present.
Description of drawings
Fig. 1 is the schematic perspective view of existing a kind of chart drive assembly;
Fig. 2 is the paper feed state plane combination scheme drawing of this kind chart drive assembly;
Fig. 3 is the three-dimensional combination of the part scheme drawing of this kind chart drive assembly, illustrates that motor circle is between first and second part;
Fig. 4 is row's paper state plane combination scheme drawing of this kind chart drive assembly;
Fig. 5 is the three-dimensional appearance scheme drawing of miniaturization paper feed device one embodiment of the present invention;
Fig. 6 is a schematic perspective view of the above-mentioned preferred embodiment of the present invention, and the combination signal of a motor, a driving link, a steering unit and a paper feed unit is described;
Fig. 7 is the plane combination scheme drawing of the above-mentioned preferred embodiment of the present invention, illustrates that this steering unit is engaged in this paper feed unit;
Fig. 8 is the three-dimensional combination of the part scheme drawing of the above-mentioned preferred embodiment of the present invention, illustrates that a driving link is opposite setting with a drive wheel portion, a connecting traction wheel portion, a belt;
Fig. 9 is the three-dimensional exploded view of a unidirectional interlock unit of the above-mentioned preferred embodiment of the present invention;
Figure 10 is the section-drawing along the line 10-10 among Fig. 7;
Figure 11 is the section-drawing along the line 11-11 among Figure 10;
Figure 12 is a diagram of work of the unidirectional interlock unit of the above-mentioned preferred embodiment of the present invention, illustrates that one first shell spare dallies with respect to one second shell spare; And
Figure 13 is another diagram of work of the unidirectional interlock unit of the above-mentioned preferred embodiment of the present invention, illustrates that this first shell spare produces interlock with respect to the second shell spare.
The specific embodiment
As Fig. 5, Fig. 7 and shown in Figure 8, be respectively a three-dimensional appearance scheme drawing, plane combination scheme drawing and a part of three-dimensional combination scheme drawing, miniaturization paper feed device preferred embodiment of the present invention, can be applicable to a photo printer, and comprise a casing unit 10 and be installed in this casing unit 10 in-to-ins, one motor 20, a driving link 30, a paper feeder unit 40, one unidirectional interlock unit 50, a steering unit 60, a paper feed unit 70.
This motor 20 has a gear 21.As Fig. 5 and shown in Figure 8, this driving link 30 have one be subjected to driving wheel 31 that this gear 21 drives and one with these driving wheel 31 coaxial nearside wheels 32 that are installed in a side.
As shown in Figure 8, this paper feeder unit 40 have one with these driving link 30 coaxial settings and axle be located at primary shaft spare 41, the one parallel earth's axis on this casing unit 10 be located at second part 42 and of this primary shaft spare 41 1 sides can be with the belt 43 of this primary shaft spare 41 transmission of powers to this second part 42.This primary shaft spare 41 has the drive wheel portion 412 that an axostylus axostyle 411 and is installed in these axostylus axostyle 411 1 ends, this axostylus axostyle 411 have a first end 413 and one with the second end 414 of these first end 413 opposite settings, this drive wheel portion 412 is arranged on this second end 414.This second part 42 has an axostylus axostyle 421 and and is installed in connecting traction wheel portion 422 on this axostylus axostyle 421, and this axostylus axostyle 421 has one corresponding to this second end 414 and the interlock end 423 that sets firmly for this connecting traction wheel portion 422.This belt 43 is that winding is in this drive wheel portion 412 and this connecting traction wheel portion 422.
As Fig. 8, Fig. 9 and shown in Figure 10, wherein Fig. 9 is that three-dimensional exploded view, Figure 10 of unidirectional interlock unit 50 are the section-drawings along the line 10-10 among Fig. 7, this unidirectional interlock unit 50 is arranged between this driving link 30 and this primary shaft spare 41, and have one and the first shell spare 51 that links of this driving link 30, with this first shell spare 51 is oppositely arranged and and the second shell spare 52 of first end 413 bindings of this primary shaft spare 41, two spine move part 53 and two elastic partss 54 that described spine move part 53 back stretch are provided of being located between this first and second shell spare 51,52.
This first shell spare 51 is to be installed on this nearside wheel 32, and be cylindric, and have one first end face 511, two unidirectional ratchet parts 512 that are arranged with by this first end face 511, described unidirectional ratchet part 512 respectively has a shallow end 512 ' and the deep end 512 along hoop and 512 ' the opposite setting of this shallow end that is connected with this first end face 511 ".
This second shell spare 52 has second end face 521 and two shrinkage pools 522 corresponding to described unidirectional ratchet part 512 that are oppositely arranged with this first end face 511.
Described spine move part 53 is to be installed with in described shrinkage pool 522, and has one and can support end on described unidirectional ratchet part 512 and be the spherical not-go-end portion 531 that supports of semicircle.
Described elastic parts 54 is a compression spring, and is installed with in described shrinkage pool 522, and the position is in described spine move part 53 inboards.
As Figure 6 and Figure 7, this steering unit 60 is to be located at this driving link 30 1 sides in contrast to this 42 of second part, and has one and linked with this follower 61 by follower that this driving wheel 31 drives 61, one and can rotate the swing arm 62 that produces swing, a transfer wheel 63 that is located in this swing arm 62 and is subjected to these follower 61 drivings with this follower 61.
This paper feed unit 70 is arranged on this steering unit 60 1 sides, and has one and can be subjected to first runner 71, of these transfer wheel 63 transmissions to be subjected to second runners 72 that this first runner 71 drives indirectly and several engagements to be serially connected in delivery wheel 73 between first runner 71 and second runner 72.
Fig. 5 and shown in Figure 7 for another example, when activating this motor 20 and making this gear 21 (shown in the solid line arrow) towards anticlockwise motion, this driving wheel 31 and nearside wheel 32 can rotate toward clockwise direction, and the follower 61 that drives this steering unit 60 is towards anticlockwise motion, upwards swing, this transfer wheel 63 upwards are engaged in this first runner 71 can to drive this swing arm 62 simultaneously, and utilize the transmission of described delivery wheel 73, can drive this second runner 72 at last and rotate, just paper can be brought into these 10 inside, casing unit toward clockwise direction.At this moment, as Fig. 8, Figure 10, Figure 11, shown in Figure 13, wherein Figure 11 is the section-drawing along the line 11-11 among Figure 10, Figure 13 is a diagram of work of this unidirectional interlock unit 50, when this driving wheel 31 and nearside wheel 32 rotate toward clockwise direction, this first shell spare 51 is followed rotation, make the deep end 512 of described unidirectional ratchet part 512 "; shallow end 512 ' is in regular turn corresponding to described spine move part 53; then described spine move part 53 just can't produce inlay cards with described unidirectional ratchet part 512; make this first shell spare 51 produce idle running with respect to this second shell spare 52; this second shell spare 52 and primary shaft spare 41 can be quiescence by interlock; that is to say that this paper feeder unit 40 does not have action.
As shown in Figure 7, when paper feed and through scheduled delay, the gear 21 that can control this motor 20 again rotates (shown in dotted arrow) toward clockwise direction, this driving wheel 31 and nearside wheel 32 can be toward anticlockwise motions, and driving this follower 61 rotates toward the clockwise direction, can drive this swing arm 62 simultaneously to lower swing and to the location, make this transfer wheel 63 break away from from this first runner 71, then the power of this motor 20 just can not drive this paper feed unit 70.At this moment, as Fig. 8, Figure 10, Figure 11, shown in Figure 12, wherein Figure 12 is another diagram of work of this unidirectional interlock unit, this driving wheel 31 and nearside wheel 32 is toward anticlockwise motion the time, this first shell spare 51 is followed rotation, make the shallow end 512 ' of described unidirectional ratchet part 512, deep end 512 " in regular turn corresponding to described spine move part 53; then described spine move part 53 will inlay card with the deep end 512 of described unidirectional ratchet part 512 ", make that the second shell spare 52 and primary shaft spare 41 can be by interlocks, and utilize this belt 43 to drive this second part 42 and rotate, just can make these paper feeder unit 40 row's of generation paper move.
Therefore, the present invention utilizes the setting of this unidirectional interlock unit 50 when paper feed, makes that this paper feeder unit 40 can not driven, and can save electric power.When desire row paper, the interlock effect that utilizes this steering unit 60 to break away to this paper feed unit 70, this paper feed unit 70 is static and utilizes the binding of this unidirectional interlock unit 50, but and this paper feeder unit 40 rows of generation paper action of interlock.
Moreover, the present invention is arranged on the opposite side opposite with this driving link 30 with this drive wheel portion 412, connecting traction wheel portion 422 and this belt 43, then at the interlock that does not influence this gear 21 and this driving wheel 31 than under the situation, the number of teeth of this drive wheel portion 412, connecting traction wheel portion 422, pitch circle diameter are less with respect to known chart drive assembly (see figure 2) design, thus, this chart drive assembly single-piece width and volume and known comparing all can be reduced.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (10)
1. a miniaturization paper feed device is characterized in that, comprises:
One casing unit;
One driving link is installed in this inside, casing unit, and has a driving wheel;
One primary shaft spare, axle is located at this inside, casing unit, and has one and be subjected to the first end of this driving wheel interlock, the second end and of an opposite setting with this first end to be arranged on the drive wheel portion of this second end; And
One second part, axle is located at this inside, casing unit and is arranged on this primary shaft spare one side abreast, and have one and be located at the connecting traction wheel portion of this interlock end corresponding to the interlock end and of this second end, this connecting traction wheel portion is driven by this drive wheel portion to rotate.
2. according to the described miniaturization paper feed device of claim 1, it is characterized in that, also include a motor that is arranged between this first and second part, this motor has a gear that can drive this driving wheel.
3. according to the described miniaturization paper feed device of claim 1, it is characterized in that, also include the belt of a winding in this connecting traction wheel portion and this drive wheel portion.
4. a miniaturization paper feed device is characterized in that, comprises:
One casing unit;
One motor is installed in this inside, casing unit, and has a gear;
One driving link is installed in this inside, casing unit, and has a driving wheel that is subjected to this gear drive;
One paper feeder unit has one and is arranged on second part of this primary shaft spare one side abreast with the primary shaft spare and of the coaxial setting of this driving link, and this primary shaft spare has a drive wheel portion, and this second part has a connecting traction wheel portion that driven by this drive wheel portion;
One unidirectional interlock unit, be arranged between this driving link and this primary shaft spare, when this unidirectional interlock unit rotates towards a first direction, but this primary shaft spare of interlock rotates towards first direction, when this unidirectional interlock unit rotates this primary shaft spare transfixion towards a second direction;
One steering unit is to be located at this driving link one side in contrast to this second part axle, driven by this driving link and rotates towards this first direction and one of them person of this second direction; And
One paper feed unit is arranged on this steering unit one side, is subjected to this steering unit transmission and can rotates towards this second direction.
5. according to the described miniaturization paper feed device of claim 4, it is characterized in that, this unidirectional interlock unit has first a shell spare that links with this driving link, the one second shell spare that is oppositely arranged with this first shell spare and links with this primary shaft spare, several be located at this first, spine move part between the two shell spares and at least one elastic parts that described spine move part back stretch is provided, when this first shell spare rotates towards first direction with respect to this second shell spare, but this second shell spare of interlock and primary shaft spare rotate towards first direction, when this first shell spare rotates towards second direction with respect to this second shell spare, this second shell spare and primary shaft spare transfixion.
6. according to the described miniaturization paper feed device of claim 5, it is characterized in that, the unidirectional ratchet part that the first shell spare of this unidirectional interlock unit has one first end face and is arranged with by this first end face, described unidirectional ratchet part respectively has a shallow end and the deep end along the opposite setting with this shallow end of hoop that is connected with this first end face, this second shell spare has second end face and several shrinkage pools corresponding to described unidirectional ratchet part that is oppositely arranged with this first end face, each is by an interior elastic parts and spine move part of being installed with in regular turn outwardly in the described shrinkage pool, and described spine move part has one can support the not-go-end portion that supports of ending on described unidirectional ratchet part.
7. according to the described miniaturization paper feed device of claim 4, it is characterized in that this steering unit has a follower, that driven by this driving link and links with this follower and can rotate the swing arm that produces swing, a transfer wheel that is located in this swing arm and is subjected to this follower driving with this follower.
8. according to the described miniaturization paper feed device of claim 7, it is characterized in that this paper feed unit has first runner that can be subjected to this transfer wheel transmission, and second runner that driven indirectly by this first runner and can rotate towards second direction.
9. according to the described miniaturization paper feed device of claim 8, it is characterized in that this paper feed unit has more several engagements and is serially connected in delivery wheel between first runner and second runner.
10. according to the described miniaturization paper feed device of claim 5, it is characterized in that, the primary shaft spare of this paper feeder unit has more a first end that links with this second shell spare and the second end of an opposite setting with this first end, this drive wheel portion is arranged on this second end, this second part has more an interlock end corresponding to this second end, and this paper feeder unit has more the belt of a winding in this connecting traction wheel portion and this drive wheel portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610138387A CN100594169C (en) | 2006-11-10 | 2006-11-10 | Miniaturized paper feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610138387A CN100594169C (en) | 2006-11-10 | 2006-11-10 | Miniaturized paper feed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101177213A CN101177213A (en) | 2008-05-14 |
| CN100594169C true CN100594169C (en) | 2010-03-17 |
Family
ID=39403670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610138387A Expired - Fee Related CN100594169C (en) | 2006-11-10 | 2006-11-10 | Miniaturized paper feed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100594169C (en) |
-
2006
- 2006-11-10 CN CN200610138387A patent/CN100594169C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101177213A (en) | 2008-05-14 |
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Granted publication date: 20100317 Termination date: 20111110 |