CN102957835A - Optical module transmission gear, image reading device and image recording device - Google Patents
Optical module transmission gear, image reading device and image recording device Download PDFInfo
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- CN102957835A CN102957835A CN2011102532273A CN201110253227A CN102957835A CN 102957835 A CN102957835 A CN 102957835A CN 2011102532273 A CN2011102532273 A CN 2011102532273A CN 201110253227 A CN201110253227 A CN 201110253227A CN 102957835 A CN102957835 A CN 102957835A
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Abstract
The invention discloses an optical module transmission gear, an image reading device and an image recording device. The transmission gear comprises a driving wheel, a driven wheel, a belt and a belt clamping device, wherein the driving wheel is connected with the driven wheel through the belt; the belt comprises a toothed part and a toothless part; the toothed part is meshed with the driving wheel; a clamped section for matching the belt clamping device is arranged on the belt, and the clamped section has an asymmetric structure for preventing the belt from being reversely installed. The technical scheme disclosed by the invention is simple in structure and convenient to achieve; and the belt can be effectively prevented from being reversely installed, and the installation accuracy and the installation efficiency of the image recording device are also improved.
Description
Technical field
The present invention relates to the image recorder technology, relate in particular to a kind of optical module transmission device, image read-out and image recorder.
Background technology
Image recorder, for example scanner is a kind of image scanning and recording equipment, can scan and be converted to e-file to files such as paperys.Image read-out mainly comprises optical module, optical module bearing frame and transmission device, wherein, optical module is used for file is scanned, and scanning result is converted to e-file or directly prints on surface of print media by image recorder, optical module is installed on the optical module bearing frame, can under the driving of transmission device, move, in order to file is carried out scanning operation.
Fig. 1 is the structural representation of existing optical module transmission device.As shown in Figure 1, existing optical module transmission device mainly comprises driving wheel 20, driven pulley 21, belt 23 and belt clamping device 24, wherein, driving wheel 20 is connected with the motor (not shown), belt 23 is clamped on the belt clamping device 24 by the mode of tooth engagement, and relative fixing with the optical module bearing frame (not shown) on the image recorder, so that belt 23 can not relatively move with the optical module bearing frame; Belt 23 has half anodontia structure of tooth for half, there are toothed portion 23a and driving wheel 20 to be connected with a joggle, be enclosed within driven pulley 21 outer surfaces without toothed portion 23b, do not need to mesh between driven pulley 21 and the belt 23, thereby can avoid transmission device when work to produce larger moment of torsion because driven pulley and belt are connected with a joggle.In image recorder when work,, the actuating force that motor produces can pass to belt 23 by driving wheel 20, and drives belt clamping devices 24 by belt 23 and pass to the optical module bearing frame, drive the optical module bearing frame and on optical module reciprocatingly move.
During installation, the belt clamping device 24 of at first belt 23 being packed into, make belt 23 relative with the optical module bearing frame fixing, then the optical module bearing frame is positioned on the guide rail (not shown) with predetermined direction, at last belt 23 is assemblied on driving wheel 20 and the driven pulley 21.
But, in the existing optical module transfer device belt half tooth is arranged half is anodontia, teeth size is less, and belt 23 cooperates by common tooth engagement system with belt clamping device 24, when the optical module bearing frame is positioned on the guide rail (not shown) with predetermined direction, when belt cooperates with driving wheel and driven pulley, even toothed portion will be arranged and also be difficult for discovering without the anti-loaded operating personnel of toothed portion, thereby cause the power transmission efficiency to reduce, and then affect the quality of scanning of image recorder; And when installation personnel was installed, need to identify for a long time had toothed portion just might correctly install on the belt, so that the belt installation effectiveness is lower.
Summary of the invention
The invention provides a kind of optical module transmission device and image recorder, can effectively overcome the easy anti-loaded problem of belt in the prior art, improve accuracy and installation effectiveness that belt is installed.
The invention provides a kind of optical module transmission device, comprise driving wheel, driven pulley, belt and belt clamping device, connect by described belt between described driving wheel and the driven pulley; Described belt includes toothed portion and without toothed portion, described have toothed portion and described driving wheel to mesh;
Be provided with the section that is held that cooperates for described belt clamping device on the described belt, the described section of being held has the dissymmetrical structure that prevents that described belt is anti-loaded.
In the above-mentioned optical module transmission device, the described section of being held comprises the outer ring that is arranged on described belt or at least 2 the first location divisions of inner ring;
Described belt clamping device has the second location division that cooperates with described the first location division.
In the above-mentioned optical module transmission device, in described at least 2 the first location divisions, the width of at least one the first location division is different from the width of other the first location divisions, makes the described section of being held be dissymmetrical structure.
In the above-mentioned optical module transmission device, the quantity of described the first location division is at least 3, and the distance between at least one pair of adjacent two first location division is different from the distance between other adjacent two first location divisions, so that the described section of being held is dissymmetrical structure.
In the above-mentioned optical module transmission device, the described section of being held also comprises the first limiting section that is arranged on the described belt, and described the first limiting section and described the first location division homonymy not;
Also has the second limiting section that cooperates with described the first limiting section on the described belt clamping device.
In the above-mentioned optical module transmission device, the quantity of described the first location division is 2, and the quantity of described the first limiting section is 1;
The center line of described the first limiting section does not overlap with the symmetrical center line of described 2 the first location divisions, so that the described section of being held is dissymmetrical structure.
In the above-mentioned optical module transmission device, the central lines of the center line of described the first limiting section and one of them the first location division.
The invention provides a kind of image read-out, comprise optical module, optical module bearing frame, and the optical module transmission device that provides of the invention described above.
The invention provides a kind of image recorder, comprise image read-out and printing equipment, wherein, described image read-out comprises the optical module transmission device that optical module, optical module bearing frame and the invention described above provide.
Optical module transmission device provided by the invention, image read-out and image recorder, by have the section that is held of dissymmetrical structure belt setting, be provided with the structure suitable with the section that is held at the belt clamping device, so that belt can only be installed on the belt clamping device along predetermined direction, therefore in the time of can effectively avoiding the image recorder assembling belt have toothed portion and without toothed portion anti-loaded may, improve accuracy and installation effectiveness that image recorder is installed, guarantee the installation quality of image recorder; Optical module scan actuator provided by the invention is simple in structure, and it is convenient to realize, can effectively avoid belt anti-loaded.
Description of drawings
Fig. 1 is the structural representation of existing optical module transmission device;
The cross-sectional view of the optical module transmission device that Fig. 2 A provides for the embodiment of the invention one;
Fig. 2 B is the enlarged diagram at the I place of belt among Fig. 2 A;
Fig. 2 C is the structural representation that is held section among Fig. 2 B on the belt;
Fig. 2 D is the structural representation of belt clamping device among Fig. 2 A;
Be held the structural representation that section cooperates with the belt clamping device in the optical module transmission device that Fig. 3 provides for the embodiment of the invention two;
Be held the structural representation of section in the optical module transmission device that Fig. 4 provides for the embodiment of the invention three;
Be held the structural representation of section in the optical module transmission device that Fig. 5 provides for the embodiment of the invention four;
Be held the structural representation of section in the optical module transmission device that Fig. 6 provides for the embodiment of the invention five.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In view of belt in the conventional images recording equipment anti-loaded easily, it is the problem that has toothed portion and driving wheel correctly not to cooperate of belt, the invention provides a kind of optical module transmission device, the section of being held on the belt is arranged to dissymmetrical structure, the belt clamping device is provided with suitable structure, thereby prevents that belt from having toothed portion and anti-loaded without toothed portion.The below will describe technical solution of the present invention with instantiation.
The cross-sectional view of the optical module transmission device that Fig. 2 A provides for the embodiment of the invention one; Fig. 2 B is the enlarged diagram at the I place of belt among Fig. 2 A; Fig. 2 C is the structural representation that is held section among Fig. 2 B on the belt; Fig. 2 D is the structural representation of belt clamping device among Fig. 2 A.Shown in Fig. 2 A～Fig. 2 C, present embodiment optical module transmission device comprises driving wheel 11, driven pulley 12, belt 13 and belt clamping device 15, and wherein, belt clamping device 15 is relative fixing with optical module bearing frame (not shown); Driving wheel 11 is used for being connected with the motor (not shown), connects by belt 13 between driving wheel 11 and the driven pulley 12; Belt 13 includes toothed portion 131 and without toothed portion 132, driving wheel 11 external peripheral surfaces are provided with tooth and cooperate with tooth on toothed portion 131 is arranged, so that have toothed portion 131 and the driving wheel 11 of belt 13 are connected with a joggle, the outer surface of driven pulley 12 is anodontia, can directly be enclosed within the outer surface of driven pulley 12 without toothed portion 132; Be provided with the section that is held 14 that cooperates with belt clamping device 15 on the belt 13, be installed on the belt clamping device 15 so that belt 13 can be held section 14 by this; Be held section 14 and have dissymmetrical structure.During installation, the belt clamping device 15 of at first section that is held 14 on the belt 13 being packed into, make belt 13 relative with the optical module bearing frame fixing, then the optical module bearing frame is positioned on the guide rail (not shown) with predetermined direction, at last belt 13 is assemblied on driving wheel 11 and the driven pulley 12.Owing to be held the dissymmetrical structure of section 14, so that belt 13 can only be installed on the clamping device 15 along predetermined direction, thereby prevent that effectively belt from having toothed portion and anti-loaded without toothed portion, guarantee that namely the toothed portion 131 that has of belt cooperates with driving wheel 11, cooperate with driven pulley 12 without toothed portion 132.Effectively avoid thus causing reducing the image printing quality because belt 13 is anti-loaded, improve accuracy and reliability that belt is installed.
In the present embodiment, the above-mentioned section that is held 14 can comprise the first location division and the first limiting section, the first location division and the first limiting section can be separately positioned on outer ring and the inner ring of belt, the first location division can be used for cooperating with the second location division on the belt clamping device 15, and the first limiting section can be used for cooperating with the second limiting section on the belt clamping device.Particularly, shown in Fig. 2 B and Fig. 2 C, be held section 14 and comprise 2 the first location divisions and 1 the first limiting section, respectively the first reference column 141 and the second reference column 142 as the first location division, and as the limited post 143 of the first limiting section, wherein, the first reference column 141 is identical with the second reference column 142 width, the symmetrical center line of the first reference column 141 and the second reference column 142 is x, the center line of limited post 143 is y, and x and y be conllinear not, preferably, the center line y of limited post 143 and the central lines of the first reference column 141, thus dissymmetrical structure can be so that be held section's 14 integral body.
In the present embodiment, driving wheel 11 can be connected with the CD-ROM drive motor (not shown), this CD-ROM drive motor can be driving wheel 11 the required actuating force that rotatablely moves is provided, this CD-ROM drive motor can be under the control of image recorder relevant control module, driving belt 13 and belt clamping device 15 moves back and forth synchronously, and belt clamping device 15 can drive the optical module bearing frame that is solid-located with it and optical module is mobile, thereby can realize treating the scanning work of scanning document.
In the present embodiment, above-mentioned driving wheel 11 is provided with the driving wheel of tooth for excircle, and driven pulley 12 is the anodontia follower of excircle; Belt 13 is by there being the tooth engagement on toothed portion and the driving wheel 11, when driving wheel 11 rotatablely moves under motor driving, can revolving force be converted to by the tooth engagement system motion of belt 13, and by moving belt 13 and cooperating with the optical module on the moving image recording equipment of belt clamping device 15, realize the scanning work to file.
In the present embodiment, the first above-mentioned reference column 141, the second reference column 142 and limited post 143 are square cylinder, for belt 13 is installed on the belt clamping device 15, belt clamping device 15 has and the second location division and the second limiting section that are held section 14 and cooperate.Particularly, shown in Fig. 2 C and Fig. 2 D, be provided with outside plate 151 and inner panel 152 on the belt clamping device 15, be provided with the first location notch 1511 that cooperates with the first reference column 141 on the outside plate 151, the second location notch 1512 that cooperates with the second reference column 142, the first location notch 1511 described here and the second location notch 1512 namely are the second location divisions on the belt clamping device; The confined planes of the side 1521 of inner panel 152 for being used for cooperating with limited post 143, this confined planes namely is the second limiting section on the belt clamping device.
In the present embodiment, belt clamping device 15 can be by outside plate 151 and the inner panel 152 that arranges on it, and be arranged on location notch on the outside plate 151, the section that is held 14 on the belt 13 is fastened on it, thereby can be under the acting in conjunction of location division and limiting section, make belt 13 relative fixing with belt clamping device 15, restriction belt clamping device 15 moves relative to belt 13.
It will be understood by those skilled in the art that, the first above-mentioned location division also can be arranged on the inner ring of belt, the first limiting section is arranged on the outer ring of belt, the second location division and the second limiting section that cooperates respectively with the first location division and the first limiting section is set on the belt clamping device 15, can install the belt clamping device equally, fix, restriction belt clamping device moves relative to belt.
The optical module transmission device that present embodiment provides, by have the section that is held of dissymmetrical structure belt setting, so that when being held section 14 and belt clamping device 15 and correctly cooperating, can guarantee that just belt has toothed portion and correctly installs without toothed portion, therefore the anti-loaded possibility of belt in the time of can effectively avoiding the image recorder assembling, improve accuracy and installation effectiveness that image recorder is installed, guarantee the installation quality of image recorder.
Be held the structural representation that section cooperates with the belt clamping device in the optical module transmission device that Fig. 3 provides for the embodiment of the invention two.Different from above-mentioned Fig. 2 A～Fig. 2 D illustrated embodiment technical scheme is, two reference columns that present embodiment is held in the section have different width, so that whole hold assembly is dissymmetrical structure, particularly, as shown in Figure 3, be held the width of the 3rd reference column 144 in the section 14 greater than the 4th reference column 145, this has the 3rd reference column 144 of different in width and the 4th reference column 145 so that the whole section 14 that is held is dissymmetrical structure.
Similarly, belt clamping device 15 should have the structure adaptive with being held section's 14 structures, can be installed on the belt clamping device 15 so that be held section 14.
Be held the structural representation of section in the optical module transmission device that Fig. 4 provides for the embodiment of the invention three.Different from above-mentioned Fig. 2 A～Fig. 2 D illustrated embodiment technical scheme is, in the present embodiment, the quantity that is held the first location division in the section 14 is at least 3, wherein, the width of these at least 3 the first location divisions is identical, and the distance between at least one pair of adjacent two first location division is different from the distance between other adjacent two first location divisions, so that these at least 3 the first location division integral body are dissymmetrical structure, also just is dissymmetrical structure thereby be held section 14.Particularly, as shown in Figure 4,3 of the quantity of the first location division in the present embodiment, not not identical apart from a, b between adjacent two the first location divisions, such 3 the first location division integral body will be dissymmetrical structure.
It will be understood by those skilled in the art that in the present embodiment that at least 3 the first location division integral body also can be symmetrical structure, as long as the first limiting section and this at least 3 the first location divisions do not form symmetrical structure, to this, present embodiment is not done and is particularly limited.
Be held the structural representation of section in the optical module transmission device that Fig. 5 provides for the embodiment of the invention four.Different from above-mentioned technical scheme embodiment illustrated in fig. 4 is, in the present embodiment in 3 the first location divisions the width of at least one the first location division be different from other the first location division, thereby so that these three first location divisions can integral body be dissymmetrical structure.
Among each embodiment of the invention described above, the quantity of the first limiting section also can be set to a plurality of as required, and for example 2, this present embodiment is not particularly limited, the limiting section of suitable quantity can be set in the practical application as required.
Be held the structural representation of section in the optical module transmission device that Fig. 6 provides for the embodiment of the invention five.Different from technical solutions of above embodiments is only at belt 13 the first location division is set in the present embodiment, and the quantity of the first location division to be at least 2, the whole dissymmetrical structure that forms in these 2 first location divisions.
In the present embodiment, as shown in Figure 6, the quantity of the first location division is 2, is arranged on the outer ring of belt, and these 2 first location divisions have different width, thus so that the whole dissymmetrical structures that form in these 2 first location divisions.
In the practical application, the quantity of this first location division also can be for more than 3 or 3, wherein, the width of at least one the first location division is different from the width of other location division, so that the whole dissymmetrical structure that forms in this first location division more than 3 or 3, perhaps, the first location division width is all identical, wherein the distance between at least one pair of adjacent two first location division is different from the distance between other adjacent two first location divisions, so that these at least 3 the first location division integral body are dissymmetrical structure.
The present invention also provides a kind of image read-out, comprises optical module, optical module bearing frame and optical module transmission device.The optical module transmission device of optical module transmission device in the present embodiment for adopting the invention described above embodiment to provide, concrete structure can referring to the explanation of the invention described above embodiment, not given unnecessary details at this.
In addition, the present invention also provides a kind of image recorder, comprises image read-out and printing equipment.Described image-reading device comprises optical module, optical module bearing frame and optical module transmission device, wherein, optical module is installed on the optical module bearing frame, the belt clamping device has the structure that cooperates with the section of being held on the belt, so that the optical module bearing frame cooperates with belt by the belt clamping device.The optical module transmission device of optical module transmission device in the present embodiment for adopting the invention described above embodiment to provide, concrete structure can referring to the explanation of the invention described above embodiment, not given unnecessary details at this.
In the present embodiment image recorder, driving wheel in the optical module transmission device can be under CD-ROM drive motor drives, the drive belt moves reciprocatingly, because belt 13 is relative with the optical module bearing frame fixing, thereby make optical module with the synchronous reciprocating motion of belt, file to be scanned is carried out scanning work, read the image information on the scanning document.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an optical module transmission device comprises driving wheel, driven pulley, belt and belt clamping device, connects by described belt between described driving wheel and the driven pulley; Described belt includes toothed portion and without toothed portion, described have toothed portion and described driving wheel to mesh; It is characterized in that:
Be provided with the section that is held that cooperates for described belt clamping device on the described belt, the described section of being held has the dissymmetrical structure that prevents that described belt is anti-loaded.
2. optical module transmission device according to claim 1 is characterized in that, the described section of being held comprises the outer ring that is arranged on described belt or at least 2 the first location divisions of inner ring;
Described belt clamping device has the second location division that cooperates with described the first location division.
3. optical module transmission device according to claim 2 is characterized in that, in described at least 2 the first location divisions, the width of at least one the first location division is different from the width of other the first location divisions, makes the described section of being held be dissymmetrical structure.
4. optical module transmission device according to claim 2, it is characterized in that, the quantity of described the first location division is at least 3, and the distance between at least one pair of adjacent two first location division is different from the distance between other adjacent two first location divisions, so that the described section of being held is dissymmetrical structure.
5. optical module transmission device according to claim 2 is characterized in that, the described section of being held also comprises the first limiting section that is arranged on the described belt, and described the first limiting section and described the first location division homonymy not;
Also has the second limiting section that cooperates with described the first limiting section on the described belt clamping device.
6. according to claim 3 or 4 described optical module transmission devices, it is characterized in that the described section of being held also can comprise at least 1 the first limiting section that is arranged on the belt, and described the first limiting section and described the first location division homonymy not; Also has the second limiting section that cooperates with described the first limiting section on the described belt clamping device.
7. optical module transmission device according to claim 5 is characterized in that, the quantity of described the first location division is 2, and the quantity of described the first limiting section is 1;
The center line of described the first limiting section does not overlap with the symmetrical center line of described 2 the first location divisions, so that the described section of being held is dissymmetrical structure.
8. optical module transmission device according to claim 7 is characterized in that, the central lines of the center line of described the first limiting section and one of them the first location division.
9. an image read-out comprises optical module, optical module bearing frame, it is characterized in that, also comprises the arbitrary described optical module transmission device of claim 1～8.
10. an image recorder comprises image read-out and printing equipment, it is characterized in that, described image read-out comprises the arbitrary described optical module transmission device of optical module, optical module bearing frame and claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253227.3A CN102957835B (en) | 2011-08-30 | 2011-08-30 | Optical module transmission gear, image read-out and image recorder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253227.3A CN102957835B (en) | 2011-08-30 | 2011-08-30 | Optical module transmission gear, image read-out and image recorder |
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| Publication Number | Publication Date |
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| CN102957835A true CN102957835A (en) | 2013-03-06 |
| CN102957835B CN102957835B (en) | 2015-08-19 |
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| DE4405465C2 (en) * | 1994-02-21 | 1996-01-18 | Marantec Antrieb Steuerung | Drive device for an object that is guided to move back and forth, in particular a door leaf |
| CN1222026A (en) * | 1997-12-30 | 1999-07-07 | 全友电脑股份有限公司 | Light path shifter of scanner |
| CN2508488Y (en) * | 2001-12-03 | 2002-08-28 | 力捷电脑股份有限公司 | Image pick-up unit shaft sleeve device |
| CN1901598A (en) * | 2005-07-18 | 2007-01-24 | 虹光精密工业（苏州）有限公司 | Optic scan module structure of scanning device |
| CN201562779U (en) * | 2009-12-04 | 2010-08-25 | 深圳创维数字技术股份有限公司 | Inverse inserting-preventing socket |
| CN102006392A (en) * | 2009-09-02 | 2011-04-06 | 立志凯株式会社 | Traveling unit driving apparatus and image reading apparatus provided with the driving apparatus |
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2011
- 2011-08-30 CN CN201110253227.3A patent/CN102957835B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4405465C2 (en) * | 1994-02-21 | 1996-01-18 | Marantec Antrieb Steuerung | Drive device for an object that is guided to move back and forth, in particular a door leaf |
| CN1222026A (en) * | 1997-12-30 | 1999-07-07 | 全友电脑股份有限公司 | Light path shifter of scanner |
| CN2508488Y (en) * | 2001-12-03 | 2002-08-28 | 力捷电脑股份有限公司 | Image pick-up unit shaft sleeve device |
| CN1901598A (en) * | 2005-07-18 | 2007-01-24 | 虹光精密工业（苏州）有限公司 | Optic scan module structure of scanning device |
| CN102006392A (en) * | 2009-09-02 | 2011-04-06 | 立志凯株式会社 | Traveling unit driving apparatus and image reading apparatus provided with the driving apparatus |
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| CN102957835B (en) | 2015-08-19 |
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Effective date of registration: 20190425 Address after: 519060 Central District A, Building 3, 01, 3883 Zhuhai Avenue, Zhuhai City, Guangdong Province Patentee after: ZHUHAI PANTUM ELECTRONICS Co.,Ltd. Address before: 519075 No. 63 Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Saine Printing Technology Co.,Ltd. |