CN102207171B - Transmission device - Google Patents
Transmission device Download PDFInfo
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- CN102207171B CN102207171B CN 201010141512 CN201010141512A CN102207171B CN 102207171 B CN102207171 B CN 102207171B CN 201010141512 CN201010141512 CN 201010141512 CN 201010141512 A CN201010141512 A CN 201010141512A CN 102207171 B CN102207171 B CN 102207171B
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- module
- gear
- transmission
- transmission shaft
- power transmission
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Abstract
The invention provides a transmission device, which is suitable for driving a paper feeding device and a scanning device respectively. The transmission device comprises a transmission shaft, an actuator, a first transmission module connected to the scanning device, a second transmission module connected to the paper feeding device, and a power switching module, wherein the actuator is movably sleeved on the transmission shaft; the power switching module is arranged on the transmission shaft; when the power switching module is connected to the first transmission module and the transmission shaft rotates along a first direction to make the scanning device move to a first position, the scanning device drives the actuator, so that the power switching module is driven to be connected to the second transmission module; and when the transmission shaft rotates along a second direction, the power switching module is connected to the first transmission module and drives the scanning device to be far away from the transmission device.
Description
Technical field
The present invention relates to a kind of transmission device, and be particularly related to a kind of transmission device that can drive respectively paper carrier and scanning means.
Background technology
Along with the progress of software and hardware, scanner has become one of basic outfit of many computer users, and it can be with literal or image documents such as file, magazine, books, pictures, and scanning input computer is also processed.
When wish scans file, need motor, be arranged on the transmission mechanisms such as gear train on the scanning element and driving belt and drive scanning element, so that the file that is placed horizontally at the scanning element top is scanned.Another kind of mode then is to keep scanning element not move, but drives the file of wish scanning with transmission mechanism, can reach equally the purpose of image scan.
Summary of the invention
The invention provides a kind of transmission device, to drive respectively paper carrier and scanning means.
One embodiment of the invention propose a kind of transmission device, are suitable for driving respectively a paper carrier and one scan device.Transmission device comprises a power transmission shaft, an actuator, be connected to one first transmission module of scanning means, be connected to one second transmission module and a powershift module of paper carrier.Actuator is sheathed on power transmission shaft movably.The powershift module group assembling is to power transmission shaft.When the powershift module is connected to the first transmission module, and the first power transmission shaft rotates along a first direction, so that scanning means is when transmission device moves to a primary importance, the scanning means drive actuator connects this second transmission module to drive the powershift module.When the first power transmission shaft when rotating in contrast to a second direction of first direction, the powershift module is connected to the first transmission module, and the driven sweep device is away from transmission device.
In one embodiment of this invention, above-mentioned powershift module comprises a V-arrangement axostylus axostyle, one first gear and one second gear.The V-arrangement axostylus axostyle is set on the first power transmission shaft and with the first power transmission shaft and rotates.The first gear is arranged on a tip of V-arrangement axostylus axostyle.The second gear is arranged on another tip of V-arrangement axostylus axostyle.When the first power transmission shaft rotated along first direction, the first gear was connected between the first power transmission shaft and the first transmission module.When the first power transmission shaft rotated along a second direction, the second gear was connected between the first power transmission shaft and the first transmission module.
In one embodiment of this invention, above-mentioned actuator has an inclined-plane.When the scanning means drive actuator moved to the 3rd position with respect to the first power transmission shaft from a second place, actuator was by slope advance V-arrangement axostylus axostyle, so that the first gear moves apart the first transmission module.
In one embodiment of this invention, above-mentioned powershift module also comprises a clutch, is disposed at the first power transmission shaft and between V-arrangement axostylus axostyle and the second transmission module.When the scanning means drive actuator moved to the 3rd position with respect to the first power transmission shaft from a second place, actuator was by slope advance V-arrangement axostylus axostyle and be with dynamic clutch, so that clutch is connected to the second transmission module.
In one embodiment of this invention, above-mentioned powershift module also comprises an elastic component, is resisted against between the second transmission module and the clutch.When clutch is connected to the second transmission module, clutch and the second transmission module compression elastic piece.When actuator was retracted the second place from the 3rd position, the elastic restoring force driving clutch of elastic component moved apart the second transmission module.
In one embodiment of this invention, above-mentioned powershift module also comprises one the 3rd gear, is configured on the first power transmission shaft and with the first power transmission shaft to rotate, so that the first power transmission shaft drives respectively the first gear and the second gear by the 3rd gear.
In one embodiment of this invention, above-mentioned actuator comprises a body and positioning piece.Keeper is configured in the body.When scanning means moved to primary importance, keeper was interfered in scanning means, so that actuator connects and the scanning constant device.
In one embodiment of this invention, the first above-mentioned transmission module comprises one the 4th gear and a driving belt.The 4th gear connects the powershift module.Driving belt is connected between the 4th gear and the scanning means.
In one embodiment of this invention, the second above-mentioned transmission module comprises one the 5th gear and a second driving shaft.The 5th gear is connected to paper carrier.Second driving shaft is connected between powershift module and the 5th gear.
Based on above-mentioned, in the above embodiment of the present invention, transmission device can drive respectively paper carrier and scanning means by the powershift module.This measure allows the designer design separately one group of transmission mechanism for scanning means and paper carrier individually, effectively reduces complexity and the cost of manufacture thereof of manufacture craft with this.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of a kind of transmission device of one embodiment of the invention;
Fig. 2 is the Local Members schematic diagram of the transmission device of Fig. 1;
Fig. 3 is the schematic diagram that the scanning means of Fig. 1 moves to primary importance;
Fig. 4 and Fig. 5 illustrate respectively the partial schematic diagram of the transmission device of Fig. 3 with different visual angles;
Fig. 6 and Fig. 7 are respectively that the transmission device of Fig. 3 and scanning means are at the partial sectional view of different conditions;
Fig. 8 is the partial schematic diagram of transmission device under another state of Fig. 4.
Main element symbol description in the accompanying drawing:
The 100-transmission device; 110-the first power transmission shaft;
The 120-actuator; The 121-body;
The 121a-storage tank; The 121b-projection;
The 122-reaming; The 123-keeper;
The 123a-clamping part; The 123b-location division;
The 123c-support portion; The 124-inclined-plane;
125-the first spring; 130-the first transmission module;
132-the 4th gear; The 134-driving belt;
140-the second transmission module; 142-the 5th gear;
The 144-second driving shaft; 150-powershift module;
151-the second spring; 152-V oblique crank Z bar;
154-the first gear; 156-the second gear;
The 158-clutch; 159-the 3rd gear;
The 160-pedestal; The 162-location notch;
The 200-scanning means; The 210-snap fit;
The 300-paper carrier; The 400-power source;
The D1-first direction; The D2-second direction;
The P1-primary importance; The P2-second place;
P3-the 3rd position.
Embodiment
Fig. 1 is the schematic diagram of a kind of transmission device of one embodiment of the invention.In the present embodiment, transmission device 100 is suitable for driving respectively one scan device 200 and a paper carrier 300, right the present invention does not limit this, transmission device 100 is suitable for being installed between the device with different transmission modes, drives respectively the device that these have different transmission modes to reach by powershift.
Fig. 2 is the Local Members schematic diagram of the transmission device of Fig. 1.Please also refer to Fig. 1 and Fig. 2, in the present embodiment, powershift module 150 comprises a V-arrangement axostylus axostyle 152, one first gear 154 and one second gear 156.V-arrangement axostylus axostyle 152 is set on the first power transmission shaft 110 and with the first power transmission shaft 110 and rotates.The first gear 154 is located with relative two tips that the second gear 156 is separately positioned on the V-arrangement axostylus axostyle, to allow V-arrangement axostylus axostyle 152 swing the first gear 154 and the second gear 156 along with the rotation of the first power transmission shaft 110.
Moreover powershift module 150 also comprises one the 3rd gear 159, is configured on the first power transmission shaft 110 and with the first power transmission shaft 110 to rotate.The first transmission module 130 comprises one the 4th gear 132 and a driving belt 134, and wherein the 4th gear 132 is connected in powershift module 150, and driving belt 134 is connected between the 4th gear 132 and the scanning means 200.
When the first power transmission shaft 110 rotated along first direction D1, the V-arrangement axostylus axostyle 152 that the first power transmission shaft 110 can drive powershift module 150 also rotated along first direction D1.This measure is connected between the 3rd gear 159 and the 4th gear 132 the first gear 154, therefore scanning means 200 is moved towards transmission device 100.
On the contrary, when the first power transmission shaft 110 rotated along second direction D2, the first power transmission shaft 110 drove V-arrangement axostylus axostyle 152 and rotates along second direction D2.This moment, the second gear 156 can be connected between the 3rd gear 159 and the 4th gear 132, so transmission device 100 just can move towards the direction away from transmission device 100 by driven sweep device 200.
Fig. 3 is the schematic diagram that the scanning means of Fig. 1 moves to primary importance.Fig. 4 and Fig. 5 illustrate respectively the partial schematic diagram of the transmission device of Fig. 3 with different visual angles.Please refer to Fig. 3 to Fig. 5, in the present embodiment, actuator 120 has a reaming 122 and an inclined-plane 124, and wherein reaming 122 can be set on the first power transmission shaft 110 actuator 120 movably.Moreover the second transmission module 140 comprises one the 5th gear 142 and a second driving shaft 144, and wherein the 5th gear 142 is connected to paper carrier 300, and second driving shaft 144 is connected between powershift module 150 and the 5th gear 142.In addition, powershift module 150 also comprises a clutch 158, is disposed between the first power transmission shaft 110 and the second driving shaft 144.
When transmission device 100 drives scanning means 200 when transmission device 100 moves to a primary importance P1 by its powershift module 150, scanning means 200 can drive actuator 120 move to one the 3rd position P3 along its reaming 122 from a second place P2, and then make actuator 120 advance V-arrangement axostylus axostyle 152 by its inclined-plane 124, and band dynamic clutch 158 is connected to second driving shaft 144.
It is worth mentioning that, because the thickness of the first gear 154 is less than the thickness of the 4th gear 132, thereby when actuator 120 promotes V-arrangement axostylus axostyle 152 by its inclined-plane 124, the first gear 154 and the 4th gear 132 are misplaced (namely the first gear 154 can be broken away from the 4th gear 132 by forward impelling), and then the power when the first power transmission shaft 110 is rotated along first direction D1 can't be sent to the first transmission module 130.In other words, this moment, the power of the first power transmission shaft 110 just can be sent to via clutch 158 the second transmission module 140, to allow the transmission device 100 of this moment can drive paper carrier 300.
On the other hand, Fig. 6 and Fig. 7 are respectively that the transmission device of Fig. 3 and scanning means are at the partial sectional view of different conditions.Please also refer to Fig. 6 and Fig. 7, in the present embodiment, actuator 120 comprises a body 121, positioning piece 123 and one first spring 125, and wherein body 121 has a storage tank 121a and above-mentioned reaming 122 and inclined-plane 124.Keeper 123 is configured in the body 121 rotationally, and keeper 123 has a clamping part 123a, a location division 123b and a support portion 123c who is positioned between the two.Keeper 123 is supported in a protruding 121b of body 121 by support portion 123c, and clamping part 123a is positioned at storage tank 121a and is exposed to body 121.The first spring 125 is configured in the storage tank 121a and is resisted against between the clamping part 123a and body 121 of keeper 123 so that keeper 123 rotationally clip in body 121.
In the present embodiment, transmission device 100 also comprises a pedestal 160, and wherein the first above-mentioned power transmission shaft 110, actuator 120, the second transmission module 140 all are disposed on the pedestal 160 with powershift module 150.Pedestal 160 also has a location notch 162, and wherein keeper 123 does not bear against on the pedestal 160 against the location division 123b of the first spring 125.
In addition, scanning means 200 has a snap fit 210 corresponding with keeper 123.When scanning means 200 moves to primary importance P1, and after actuator 120 is urged to the 3rd position P3 from second place P2, location division 123b can be positioned in the location notch 162 of pedestal 160, and this moment, the first spring 125 drove the clamping part 123a that snap fit 210 is snapped in keeper 123 by its elastic force.Accordingly, scanning means 200 just can interconnect with transmission device 100 and be fixing.This measure can make scanning means 200 still can keep the state that structurally is connected with transmission device 100 when not driven by transmission device 100, avoiding scanning means 200 mobile and cause other members to damage arbitrarily, or avoid when subsequent action scanning means 200 to break away from transmission devices 100 and can't be controlled.
Fig. 8 is the partial schematic diagram of transmission device under another state of Fig. 4.Please refer to Fig. 8, hold that the first power transmission shaft 110 is connected to the second transmission module 140 by powershift module 150 among the embodiment of continuous above-mentioned Fig. 3 to Fig. 6, and make transmission device 100 drive paper carriers 300.After this, when the first power transmission shaft 110 rotated along second direction D2, the first power transmission shaft 110 can drive V-arrangement axostylus axostyle 152 and rotate along second direction D2.This moment, the second gear 156 just can be connected between the 3rd gear 159 and the 4th gear 132, and therefore the power of the first power transmission shaft 110 just can diverted via by the second gear 156 and be sent to the first transmission module 130.Accordingly, transmission device 100 just can move towards the direction away from transmission device 100 by driven sweep device 200.
Particularly, please also refer to Fig. 6 to Fig. 8, scanning means 200 is when moving apart primary importance P1, scanning means 200 can move apart by the location division 123b that snap fit 210 drives keepers 123 location notch 162 in the substrate 160, and the body 121 that drives simultaneously actuator 120 is retracted second place P2 from the 3rd position P3.Then, the location division 123b of keeper 123 is subject to the influencing profiles of substrate 160 and makes the clamping part 123a of keeper 123 withdraw from the snap fit 210 of scanning means 200.So far, scanning means 200 just structurally breaks away from actuator 120, and returns back to the state that originally is controlled by transmission device 100 and moves around.
In addition, refer again to Fig. 3, powershift module 150 also comprises one second spring 151, is resisted against between the second driving shaft 144 and clutch 158 of the second transmission module 140.When clutch 158 was connected to the second transmission module 140, clutch 158 can compress these second springs 151 with second driving shaft 144.When scanning means 200 when drive actuator 120 is retracted second place P2 from the 3rd position P3 away from transmission device 100, this second spring 151 utilizes its elastic restoring force and makes clutch 158 move apart second driving shaft 144, is not subjected to actuator 120 to advance front state to guarantee that powershift module 150 can be returned back to.
In sum, in the above embodiment of the present invention, transmission device can reach the purpose of difference driven sweep device and paper carrier by the powershift module.This measure allows the designer design separately one group of transmission mechanism for scanning means and paper carrier individually, and can effectively reduce complexity and the cost of manufacture thereof of manufacture craft.
Although the present invention discloses as above with embodiment; yet it is not to limit the present invention; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is as the criterion when looking appended the claim person of defining.
Claims (9)
1. a transmission device is suitable for driving respectively a paper carrier and one scan device, and this transmission device comprises:
One first power transmission shaft;
One actuator is sheathed on this first power transmission shaft movably;
One first transmission module is connected to this scanning means;
One second transmission module is connected to this paper carrier; And
One powershift module is assembled to this first power transmission shaft, and this powershift module is connected to this first transmission module driving this scanning means, and this powershift module is connected to this second transmission module driving this paper carrier,
Wherein work as this powershift module and be connected to this first transmission module, and this first power transmission shaft rotates along a first direction, so that this scanning means is when this transmission device moves to a primary importance, this scanning means drives this actuator and is connected to this second transmission module to drive this powershift module, when this first power transmission shaft when rotating in contrast to a second direction of this first direction, this powershift module is connected to this first transmission module, and drives this scanning means and move apart this transmission device.
2. transmission device according to claim 1, wherein this powershift module comprises:
One V-arrangement axostylus axostyle is set on this first power transmission shaft and with this first power transmission shaft and rotates;
One first gear is arranged on a tip of this V-arrangement axostylus axostyle; And
One second gear, be arranged on another tip of this V-arrangement axostylus axostyle, wherein when this first power transmission shaft rotates along this first direction, this first gear is connected between this first power transmission shaft and this first transmission module, when this first power transmission shaft rotated along this second direction, this second gear was connected between this first power transmission shaft and this first transmission module.
3. transmission device according to claim 2, wherein this actuator has an inclined-plane, when this scanning means drives this actuator and moves to the 3rd position with respect to this first power transmission shaft from a second place, this actuator is by this V-arrangement axostylus axostyle of this slope advance, so that this first gear moves apart this first transmission module.
4. transmission device according to claim 3, wherein this powershift module also comprises:
One clutch, be disposed at this first power transmission shaft and between this V-arrangement axostylus axostyle and this second transmission module, when this scanning means drives this actuator and moves to the 3rd position with respect to this first power transmission shaft from this second place, this actuator is by this V-arrangement axostylus axostyle of this slope advance and drive this clutch, so that this clutch is connected to this second transmission module.
5. transmission device according to claim 4, wherein this powershift module also comprises:
One elastic component, be resisted against between this second transmission module and this clutch, when this clutch is connected to this second transmission module, this clutch and this second transmission module compress this elastic component, when this actuator was retracted this second place from the 3rd position, the elastic restoring force of this elastic component drove this clutch and moves apart this second transmission module.
6. transmission device according to claim 2, wherein this powershift module also comprises one the 3rd gear, be configured on this first power transmission shaft and with this first power transmission shaft and rotate, so that this first power transmission shaft drives respectively this first gear and this second gear by the 3rd gear.
7. transmission device according to claim 1, wherein this actuator comprises a body and positioning piece, and this keeper is configured in this body, when this scanning means moves to this primary importance, this keeper is interfered in this scanning means, so that this actuator connects and fixes this scanning means.
8. transmission device according to claim 1, wherein this first transmission module comprises:
One the 4th gear connects this powershift module; And
One driving belt is connected between the 4th gear and this scanning means.
9. transmission device according to claim 1, wherein this second transmission module comprises:
One the 5th gear connects this paper carrier; And
One second driving shaft is connected between this powershift module and the 5th gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010141512 CN102207171B (en) | 2010-03-31 | 2010-03-31 | Transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010141512 CN102207171B (en) | 2010-03-31 | 2010-03-31 | Transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102207171A CN102207171A (en) | 2011-10-05 |
| CN102207171B true CN102207171B (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010141512 Expired - Fee Related CN102207171B (en) | 2010-03-31 | 2010-03-31 | Transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102207171B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI469880B (en) * | 2011-12-12 | 2015-01-21 | Cal Comp Electronics & Comm Co | Tramsmitting module and multi-functional printer using the same |
| CN103716498A (en) * | 2012-09-28 | 2014-04-09 | 致伸科技股份有限公司 | Paper feeding type scanning device |
| CN103716500A (en) * | 2012-09-28 | 2014-04-09 | 致伸科技股份有限公司 | Paper feeding type scanning device |
| CN103716497A (en) * | 2012-09-28 | 2014-04-09 | 致伸科技股份有限公司 | Paper feed-type scanning device |
| EP3344465B1 (en) | 2016-01-21 | 2020-12-30 | Hewlett-Packard Development Company, L.P. | Selectable drive printing device |
| CN110456596A (en) * | 2019-08-16 | 2019-11-15 | 苏州佳世达光电有限公司 | Drive switching device and the imaging device using it |
| CN111576897B (en) * | 2020-05-15 | 2021-09-21 | 湖北晶骉建设工程有限公司 | Municipal administration pointing device |
| WO2022021376A1 (en) * | 2020-07-31 | 2022-02-03 | 鸿富锦精密工业(武汉)有限公司 | Power switching device and image processing device having said device |
| CN113598152B (en) * | 2021-08-25 | 2023-08-29 | 山东菜实惠农农业科技有限公司 | Automatic pesticide spraying equipment for intelligent agriculture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795766A (en) * | 1972-12-29 | 1974-03-05 | Minnesota Mining & Mfg | Mode selection and carriage clutching assembly for facsimile |
| CN1511705A (en) * | 2002-12-30 | 2004-07-14 | ���ǵ�����ʽ���� | Driving device, power converter and driver of multifunction machine |
| CN1592349A (en) * | 2003-08-28 | 2005-03-09 | 虹光精密工业（苏州）有限公司 | Multi-purpose scanner with shared identical power source |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1175022A (en) * | 1997-08-29 | 1999-03-16 | Matsushita Electric Ind Co Ltd | Image reader |
| US20050209614A1 (en) * | 2004-03-04 | 2005-09-22 | Fenter Felix W | Anastomosis apparatus and methods with computer-aided, automated features |
-
2010
- 2010-03-31 CN CN 201010141512 patent/CN102207171B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795766A (en) * | 1972-12-29 | 1974-03-05 | Minnesota Mining & Mfg | Mode selection and carriage clutching assembly for facsimile |
| CN1511705A (en) * | 2002-12-30 | 2004-07-14 | ���ǵ�����ʽ���� | Driving device, power converter and driver of multifunction machine |
| CN1592349A (en) * | 2003-08-28 | 2005-03-09 | 虹光精密工业（苏州）有限公司 | Multi-purpose scanner with shared identical power source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102207171A (en) | 2011-10-05 |
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