CN201479234U - Actuating mechanism capable of switching output power and scanning device using same - Google Patents
Actuating mechanism capable of switching output power and scanning device using same Download PDFInfo
- Publication number
- CN201479234U CN201479234U CN2009202096003U CN200920209600U CN201479234U CN 201479234 U CN201479234 U CN 201479234U CN 2009202096003 U CN2009202096003 U CN 2009202096003U CN 200920209600 U CN200920209600 U CN 200920209600U CN 201479234 U CN201479234 U CN 201479234U
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- Prior art keywords
- travelling gear
- connection assembly
- power connection
- power
- transmission mechanism
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Abstract
An actuating mechanism capable of switching output power comprises a first driving gear, a second driving gear, a third driving gear, a fourth driving gear, a first power connection member, a second power connection member and a driving mechanism. The first power connection member that is coaxially arranged with the first and the second driving gears moves along the axial direction, and is connected with the first and the second driving gears to transmit power to the second driving gear. The second power connection member that is coaxially arranged with the third and the fourth driving gears moves along the axial direction, and is connected with the third and the fourth driving gears to transmit power to the fourth driving gear. The actuating mechanism synchronously drives the first and the second power connection members to move along the axial direction to selectively connect the first driving gear and the second driving gear or to connect the third driving gear and the fourth driving gear. The utility model also discloses a scanning device using the actuating mechanism.
Description
Technical field
The utility model is about a kind of transmission mechanism of changeable outputting power and use its scanning device.
Background technology
In traditional plat form type scanning apparatus, scan module is driven by drive unit and moves around.Usually, when scanning document, the translational speed of scan module is comparatively slow, and scan module retracts the translational speed in home position and can accelerate after been scanned, so as to reducing the time of the required cost of whole scanning flow process.In addition, single with regard to the stroke of scanning document, the translational speed of the scan module that high-resolution and low-resolution scan are required is also different.Therefore, drive unit preferably has the function of speed change.
In traditional paper feedback scanning device, owing to carry out the scanning motion of high-resolution and low resolution, so drive unit preferably also has the function of speed change.
The employed gear train that changes speed reducing ratio of traditional scanning means normally increases by one group of motor or other Power Drive Unit, drives for example switching of the power transmitting assembly of gear, to reach the purpose of speed change.Yet it is bigger to increase by one group of motor or Power Drive Unit shared space in scanning means, and this also is unfavorable for the miniaturization of current scanline device.
U.S. Patent Publication US discloses a kind of swing arm transmission device of changeable speed reducing ratio for 2006/0005650A1 number, switches speed reducing ratio by the swing position that changes swing arm.In the transmission device of this changeable speed reducing ratio, be to utilize the interlock of the outer teeth of gear to finish the action of switching, this switching mode all is a test for the design in precision, intensity and the useful life of gear.
The utility model content
Therefore, the scanning device that a purpose of the present utility model is to provide a kind of transmission mechanism of changeable outputting power and uses it, wherein transmission mechanism system utilizes the internal structure of gear to reach the binding of assembly and the switching of outputting power, thereby can be to not causing negative effect in precision, intensity and the useful life of the outer teeth of gear.
For achieving the above object, the utility model provides a kind of transmission mechanism of changeable outputting power, and it comprises first travelling gear, second travelling gear, the first power connection assembly, the 3rd travelling gear, the 4th travelling gear, second power connection assembly and the driving mechanism.First power connection assembly system and first travelling gear and the coaxial setting of second travelling gear.The first power connection assembly links first travelling gear and second travelling gear, with transferring power to the second travelling gear along moving axially.The second power connection assembly and the 3rd travelling gear and the coaxial setting of the 4th travelling gear.The second power connection assembly links the 3rd travelling gear and the 4th travelling gear along moving axially, with transferring power to the four travelling gears.Driving mechanism synchronously drives the first power connection assembly and the second power connection assembly along moving axially, and links optionally to make first travelling gear and second travelling gear, or makes the 3rd travelling gear and the binding of the 4th travelling gear.
The utility model also provides a kind of scanning device, and it comprises scan module and aforementioned transmission mechanism.Scan module system is provided with movably, in order to the image of acquisition file.Aforementioned transmission mechanism is in order to the driven sweep module, and the translational speed of switched scan module.
The utility model more provides a kind of scanning device, and it comprises scan module, paper feed mechanism and aforementioned transmission mechanism.Scan module is in order to the image of acquisition file.Paper feed mechanism is in order to feed documents.Aforementioned transmission mechanism is in order to the driving paper feed mechanism, and the speed of switching paper feed mechanism feed documents.
For foregoing of the present utility model can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 and 2 schematic diagrames that show according to the transmission mechanism of the utility model first embodiment.
Fig. 3 and 4 end views that show according to the transmission mechanism of the utility model first embodiment.
Fig. 5 and 6 shows the schematic diagram according to the transmission mechanism of another type of drive of the utility model first embodiment.
Fig. 7 and 8 schematic diagrames that show according to the transmission mechanism of the utility model second embodiment.
The end view of Fig. 9 displayed map 7 and 8 transmission mechanism.
Figure 10 and 11 shows two examples of the profile of travelling gear and power connection assembly.
Figure 12 shows the schematic diagram according to scanning device of the present utility model.
[primary clustering symbol description]
D: file D1: first direction
D1 ': first direction D2: second direction
D2 ': second direction P1: path
P2: path 1: transmission mechanism
1 ': transmission mechanism 9: scanning device
12: the first travelling gear 12A: the first internal gearing portion
14: the second travelling gear 14B: the second internal gearing portion
16: the first power connection assembly 16A: the first input bite
16B: the first output bite 18: axle
22: the three travelling gear 22A: the 3rd internal gearing portion
24: the four travelling gear 24B: the 4th internal gearing portion
26: the second power connection assembly 26A: the second input bite
26B: the second output bite 28: axle
30: drive link 40: driver
50: driving mechanism 52: the input travelling gear
54: output travelling gear 80: motor
81: driven wheel 91: scan module
92: paper feed mechanism 93: scanning platform
94: paper-feeding channel
Embodiment
Fig. 1 and 2 schematic diagrames that show according to the transmission mechanism of the utility model first embodiment.Fig. 3 and 4 end views that show according to the transmission mechanism of the utility model first embodiment.Shown in Fig. 1 to 4, the transmission mechanism with multiple outputting power 1 of present embodiment comprises first travelling gear 12, second travelling gear 14, the first power connection assembly 16, the 3rd travelling gear 22, the 4th travelling gear 24, the second power connection assembly 26 and driving mechanism 50.
The first power connection assembly 16 and first travelling gear 12 and the 14 coaxial settings of second travelling gear, for example be arranged on the axle 18 jointly, wherein the first power connection assembly 16 can slide and rotation with respect to axle 18, and first travelling gear 12 and second travelling gear 14 can rotate with respect to axle 18.The first power connection assembly 16 moves axially along axle 18, its role is to link first travelling gear 12 and second travelling gear 14, with transmission of power to the second travelling gear 14 with 12 outputs of first travelling gear.In present embodiment, the first power connection assembly 16 comprises the first input bite 16A and the first output bite 16B, in order to combine with first 12A of internal gearing portion of first travelling gear 12 and second 14B of internal gearing portion of second travelling gear 14 respectively.
The second power connection assembly 26 and the 3rd travelling gear 22 and the 24 coaxial settings of the 4th travelling gear, for example be arranged on the axle 28 jointly, wherein the second power connection assembly 26 can slide and rotation with respect to axle 28, and the 3rd travelling gear 22 and the 4th travelling gear 24 can rotate with respect to axle 28.The second power connection assembly 26 moves axially along axle 28, links the 3rd travelling gear 22 and the 4th travelling gear 24, with power to the four travelling gears 24 that transmit the 3rd travelling gear 22.In the present embodiment, the second power connection assembly 26 comprises the second input bite 26A and the second output bite 26B, in order to combine with the 3rd 22A of internal gearing portion of the 3rd travelling gear 22 and the 4th 24B of internal gearing portion of the 4th travelling gear 24 respectively.
In addition, transmission mechanism 1 can also comprise input travelling gear 52 and output travelling gear 54.The input travelling gear 52 and first travelling gear 12 and 22 engagements of the 3rd travelling gear are with transferring power to the first travelling gear 12 and the 3rd travelling gear 22.The output travelling gear 54 and second travelling gear 14 and the engagement of the 4th travelling gear 24, in order to receiving first outputting power from second travelling gear 14, or from second outputting power of the 4th travelling gear 24.
As shown in Figure 1, driving mechanism 50 moves the first power connection assembly 16 towards first direction D1 makes the first input bite 16A combine with first 12A of internal gearing portion of first travelling gear 12, to link first travelling gear 12 and second travelling gear 14.At this moment, the second power connection assembly 26 also moves toward first direction D1 synchronously, thereby does not combine with the 4th travelling gear 24.Therefore, power transmission path is shown in the path P 1 of Fig. 3.Input travelling gear 52 can mesh with the driven wheel 81 of a motor 80, so as to transferring to output travelling gear 54 by input travelling gear 52, first travelling gear 12 and second travelling gear 14 from the power of motor 80.
As shown in Figure 2, driving mechanism 50 moves the second power connection assembly 26 towards second direction D2 makes the second output bite 26B combine with the 4th 24B of internal gearing portion of the 4th travelling gear 24, to link the 3rd travelling gear 22 and the 4th travelling gear 24.At this moment, the first power connection assembly 16 also moves toward second direction D2 synchronously, thereby does not combine with first travelling gear 12.Therefore, power transmission path is shown in the path P 2 of Fig. 4.Power from motor 80 transfers to output travelling gear 54 by input travelling gear 52, the 3rd travelling gear 22 and the 4th travelling gear 24.
Fig. 1 and 2 shown transmission mechanisms 1, the first output bite 16B of its first power connection assembly 16 forever combines with second 14B of internal gearing portion, and the second input bite 26A of the second power connection assembly 26 forever combines with the 3rd 22A of internal gearing portion.
Fig. 5 and 6 shows the schematic diagram according to another type of drive of the transmission mechanism of the utility model first embodiment.Shown in Fig. 5 and 6, present embodiment is similar to aforementioned embodiments, and difference will be described as follows.
As shown in Figure 5, driving mechanism 50 moves the first power connection assembly 16 towards first direction D1 ' makes the first output bite 16B combine with second 14B of internal gearing portion of second travelling gear 14, to link first travelling gear 12 and second travelling gear 14.At this moment, the second power connection assembly 26 also moves toward first direction D1 ' synchronously, thereby does not combine with the 3rd travelling gear 22.
As shown in Figure 6, driving mechanism 50 moves the second power connection assembly 26 towards second direction D2 ' makes the second input bite 26A combine with the 3rd 22A of internal gearing portion of the 3rd travelling gear 22, to link the 3rd travelling gear 22 and the 4th travelling gear 24.At this moment, the first power connection assembly 16 also moves toward second direction D2 ' synchronously, thereby does not combine with second travelling gear 14.
Fig. 5 and 6 shown transmission mechanisms 1, the first input bite 16A of its first power connection assembly 16 forever combines with first 12A of internal gearing portion, and the second output bite 26B of the second power connection assembly 26 forever combines with the 4th 24B of internal gearing portion.
Fig. 7 and 8 show transmission mechanism 1 according to the utility model second embodiment ' schematic diagram.Shown in Fig. 7 and 8, present embodiment is similar to first embodiment, and difference will be described as follows.The transmission mechanism 1 of second embodiment ' in, first travelling gear 12 and 22 engagements of the 3rd travelling gear make the 3rd travelling gear 22 receive power from first travelling gear 12.Second travelling gear 14 also meshes with the 4th travelling gear 24.
As shown in Figure 7, driving mechanism 50 drives the first power connection assembly 16 and moves towards first direction D1, makes the first power connection assembly 16 link first travelling gear 12 and second travelling gear 14.In the case, the second power connection assembly 26 also moves toward first direction D1 synchronously, thereby does not combine with the 4th travelling gear 24.Therefore, power is passed to the 4th travelling gear 24, the four travelling gears 24 from first travelling gear 12, second travelling gear 14 and receives outputting power from second travelling gear 14.
As shown in Figure 8, driving mechanism 50 drives the second power connection assembly 26 and moves towards second direction D2, makes the second power connection assembly 26 link the 3rd travelling gear 22 and the 4th travelling gear 24.In the case, the first power connection assembly 16 also moves toward second direction D2 synchronously, thereby does not combine with first travelling gear 12.Therefore, power is passed to the 4th travelling gear 24, the four travelling gears 24 from first travelling gear 12, the 3rd travelling gear 22 and receives outputting power from the 3rd travelling gear 22.
The end view of Fig. 9 displayed map 7 and 8 transmission mechanism.As shown in Figure 9, the transmission mechanism 1 of present embodiment ' can also comprise output travelling gear 54, itself and the 4th travelling gear 24 mesh, to receive outputting powers from the 4th travelling gear 24.
Figure 10 and 11 shows two examples of the profile of travelling gear and power connection assembly.Shown in Figure 10 and 11, the first input bite 16A, the first output bite 16B, the second input bite 26A and the second output bite 26B are the ratchet shape structure.The ratchet of Figure 10 is to extend along radial direction, and the ratchet of Figure 11 is to extend along axial direction.The ratchet shape structure of above-mentioned bite 16A, 16B, 26A, 26B can embed inner dentalation (Figure 10) or the spoke architecture (Figure 11) that forms of each travelling gear respectively, just first 12A of internal gearing portion, second 14B of internal gearing portion, the 3rd 22A of internal gearing portion and the 4th 24B of internal gearing portion, reach assembly in conjunction with and the purpose of transmission of power.
Figure 12 shows the schematic diagram according to scanning device of the present utility model.As shown in figure 12, the transmission mechanism 1 and 1 of previous embodiment ' can be applied in the scanning device 9.Therefore, this scanning device 9 comprise scan module 91 and transmission mechanism 1/1 '.Scan module 91 is to be arranged at movably in the housing, is positioned over the image of the file D on the scanning platform 93 in order to acquisition.When scan module 91 and transmission mechanism 1/1 ' binding, and when being subjected to transmission mechanism 1/1 ' driving, because the multiple different rotating speed of transmission mechanism 1/1 ' changeable one-tenth, scan module 91 can the different situations in scanning operation under or move with very fast or slower speed at the scanning operation of different resolution.Perhaps, transmission mechanism 1/1 ' also can link with paper feed mechanism 92, to drive paper feed mechanism 92.By transmission mechanism 1/1 ' design, paper feed mechanism 92 can be with very fast or slower speed feed documents D by paper feeding channel 94 and through scan module 91.
Therefore, utilize transmission mechanism of the present utility model and use its scanning device, can eliminate causing negative effect in precision, intensity and the useful life of the external tooth form of gear.In addition, the actuating length of change action is little, and switch speed is fast, compared to traditional swing arm transmission device, can reduce the quantity and the load of electromagnetically operated valve.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present utility model, but not with the utility model narrow sense be limited to the foregoing description, in the situation that does not exceed spirit of the present utility model and following claim, the many variations of being done is implemented, and all belongs to scope of the present utility model.
Claims (11)
1. the transmission mechanism of a changeable outputting power is characterized in that, comprises:
First travelling gear;
Second travelling gear;
The first power connection assembly, with described first travelling gear and the coaxial setting of described second travelling gear, the described first power connection assembly links described first travelling gear and described second travelling gear along moving axially, with transferring power to described second travelling gear;
The 3rd travelling gear;
The 4th travelling gear;
The second power connection assembly, with described the 3rd travelling gear and the coaxial setting of described the 4th travelling gear, the described second power connection assembly links described the 3rd travelling gear and described the 4th travelling gear along moving axially, with transferring power to described the 4th travelling gear; And
Driving mechanism, synchronously drive described first power connection assembly and the described second power connection assembly along moving axially, so that described first travelling gear and described second travelling gear are linked, or make described the 3rd travelling gear and the binding of described the 4th travelling gear.
2. transmission mechanism as claimed in claim 1 is characterized in that, also comprises:
The input travelling gear, with the engagement of described first travelling gear and described the 3rd travelling gear, with transferring power to described first travelling gear and described the 3rd travelling gear; And
The output travelling gear, with the engagement of described second travelling gear and described the 4th travelling gear, in order to receiving first outputting power from described second travelling gear, or from second outputting power of described the 4th travelling gear.
3. transmission mechanism as claimed in claim 1, it is characterized in that, the described first power connection assembly comprises the first input bite and the first output bite, in order to combine with first internal gearing portion of described first travelling gear and the second internal gearing portion of described second travelling gear respectively; And the described second power connection assembly comprise second the input bite and second output bite, in order to combine with the 3rd internal gearing portion of described the 3rd travelling gear and the 4th internal gearing portion of described the 4th travelling gear respectively.
4. transmission mechanism as claimed in claim 3, it is characterized in that, described driving mechanism moves the described first power connection assembly towards first direction makes the described first input bite combine with the described first internal gearing portion of described first travelling gear, to link described first travelling gear and described second travelling gear; And described driving mechanism towards second direction move the described second power connection assembly make described second output bite combine with described the 4th internal gearing portion of described the 4th travelling gear, to link described the 3rd travelling gear and described the 4th travelling gear.
5. transmission mechanism as claimed in claim 3, it is characterized in that, described driving mechanism moves the described first power connection assembly towards first direction makes the described first output bite combine with the described second internal gearing portion of described second travelling gear, to link described first travelling gear and described second travelling gear; And described driving mechanism towards second direction move the described second power connection assembly make described second the input bite combine with described the 3rd internal gearing portion of described the 3rd travelling gear, to link described the 3rd travelling gear and described the 4th travelling gear.
6. transmission mechanism as claimed in claim 1, it is characterized in that, described first travelling gear and the engagement of described the 3rd travelling gear make described the 3rd travelling gear receive power from described first travelling gear, and described second travelling gear and the engagement of described the 4th travelling gear.
7. transmission mechanism as claimed in claim 6, it is characterized in that, the described first power connection assembly of described drive mechanism moves, make the described first power connection assembly link described first travelling gear and described second travelling gear, described the 4th travelling gear receives outputting power from described second travelling gear.
8. transmission mechanism as claimed in claim 6, it is characterized in that, the described second power connection assembly of described drive mechanism moves, make the described second power connection assembly link described the 3rd travelling gear and described the 4th travelling gear, described the 4th travelling gear receives outputting power from described the 3rd travelling gear.
9. transmission mechanism as claimed in claim 6 is characterized in that, also comprises:
The output travelling gear is with described the 4th travelling gear engagement, to receive outputting power.
10. a scanning device is characterized in that, comprises:
Scan module is provided with movably, in order to the image of acquisition file; And
As any one described transmission mechanism in the claim 1 to 9, to described scan module, and switch the translational speed of described scan module in order to transferring power.
11. a scanning device is characterized in that, comprises:
Scan module is in order to the image of acquisition file;
Paper feed mechanism is in order to present described file; And
As any one described transmission mechanism in the claim 1 to 9, to described paper feed mechanism, and switch the speed that described paper feed mechanism is presented described file in order to transferring power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202096003U CN201479234U (en) | 2009-09-11 | 2009-09-11 | Actuating mechanism capable of switching output power and scanning device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202096003U CN201479234U (en) | 2009-09-11 | 2009-09-11 | Actuating mechanism capable of switching output power and scanning device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479234U true CN201479234U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202096003U Expired - Fee Related CN201479234U (en) | 2009-09-11 | 2009-09-11 | Actuating mechanism capable of switching output power and scanning device using same |
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| Country | Link |
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| CN (1) | CN201479234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025881B (en) * | 2009-09-11 | 2012-08-08 | 虹光精密工业（苏州）有限公司 | Transmission mechanism with switchable output power and scanning device using same |
-
2009
- 2009-09-11 CN CN2009202096003U patent/CN201479234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025881B (en) * | 2009-09-11 | 2012-08-08 | 虹光精密工业（苏州）有限公司 | Transmission mechanism with switchable output power and scanning device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130911 |