CN2372725Y - Active drive for scanner - Google Patents
Active drive for scanner Download PDFInfo
- Publication number
- CN2372725Y CN2372725Y CN 99208124 CN99208124U CN2372725Y CN 2372725 Y CN2372725 Y CN 2372725Y CN 99208124 CN99208124 CN 99208124 CN 99208124 U CN99208124 U CN 99208124U CN 2372725 Y CN2372725 Y CN 2372725Y
- Authority
- CN
- China
- Prior art keywords
- tooth bar
- optical module
- gear
- gear train
- scanister
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Transmission Devices (AREA)
Abstract
The utility model relates to an active type transmission mechanism of a scanner. An optical assembly which can be moved horizontally is arranged on a base, a motor is fixed on the optical assembly, a transmission mechanism which is connected with the motor is arranged on the optical assembly, one end of the base is connected with the transmission mechanism, the transmission mechanism is arranged along the displacement direction of the optical assembly, and a guiding mechanism is also arranged between the transmission mechanism and the optical assembly. A speed reduction gear set and a locking fixing mechanism can be simplified, the difficulty of assembling can be decreases, and cost can be reduced.
Description
The utility model relates to the active gear train in scanister field, particularly scanister.
At present, scanister has become one of basic equipment of many computer users gradually, is equipped with suitable gear train in the scanister commonly used, so that transmission optical module scanning contribution.
The active gear train of existing scanister, as shown in Figure 1, but on pedestal 10a, be provided with optical module (optical block) 11a of a horizontal shift, pedestal 10a one end two lateral walls is provided with advises belt 12a for the moment, be fixed with motor 13a on the optical module 11a, motor 13a by train of reduction gears (figure slightly) with the time rule belts 12a be connected, lean on the driving of motor 13a that optical module 11a is moved horizontally under active state.
The active gear train of above-mentioned scanister must be provided with a part (shaft) 14a and control moving of optical module 11a, to keep the direction of demand; Moreover advise belt 12a at that time when assembling, the essential control of doing a strictness of tension force cause assembling to go up greatly inconvenience, and this gear train need be provided with complicated train of reduction gears and extra locked mechanism, cause producing, maintenance cost is higher, do not meet economic benefit.
The purpose of this utility model just provides the active gear train of a kind of scanister, and it can simplify train of reduction gears and locked mechanism, reduces the assembling difficulty, reduces cost.
The purpose of this utility model is to realize like this, the active gear train of a kind of scanister, but pedestal is provided with the optical module of horizontal shift, be fixed with motor on the optical module, optical module is provided with the gear train that is connected with motor, pedestal one end links to each other with gear train, and gear train is along the sense of displacement setting of optical module, between gear train and the optical module and be provided with guide mechanism.
Optical module is provided with worm screw, motor and worm screw are by gear set or directly be connected, and pedestal one end is wrom tooth bar or tooth bar fixedly, and wrom tooth bar or tooth bar are along the moving direction setting of optical module, wrom tooth bar or tooth bar and worm mesh are provided with guide mechanism between wrom tooth bar or tooth bar and the optical module.
Guide mechanism is provided with flange at wrom tooth bar or tooth bar one side, and optical module one end is provided with can flange with matching.
Optical module one end is provided with two flanges that can match with wrom tooth bar or tooth bar both sides.
Optical module is provided with gear, and motor and gear are by gear set or directly be connected, and pedestal one end stationary rack, tooth bar be along the moving direction setting of optical module, and the rack and pinion engagement is between tooth bar and the optical module and be provided with guide mechanism.
Gear is spur gear or spiral gear.
Guide mechanism respectively is provided with a flange in the tooth bar both sides, and two flanges are engaged in the gear both sides.
Guide mechanism, the gear both sides respectively are provided with a flange, and two flanges are engaged in the tooth bar both sides.
The utility model is owing to utilize the high reduction gear ratio and the unidirectional drive characteristic of worm screw and wrom tooth bar, therefore can reduce the use of gear set and extra locked mechanism, promptly reduce mechanism complexity, guarantee not reduce the transmission accuracy of mechanism again, reduced production and maintenance cost simultaneously, increased economic efficiency; Wrom tooth bar assembling is simple, it is low to require, do not need to the time rule belts assembling make it to reach the control requirement of tension force, therefore produce in batches convenient.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the stereographic map of the existing active gear train of scanister.
Fig. 2 is the stereographic map of the utility model first embodiment.
Fig. 3 is the front view of the utility model first embodiment part.
Fig. 4 is the cut-open view of the utility model first embodiment part.
Fig. 5 is the side view of the utility model first embodiment gear train.
Fig. 6 is the front view of the utility model first embodiment gear train.
Fig. 7 is the front view of the utility model second embodiment gear train.
Fig. 8 is the front view of the utility model the 3rd embodiment gear train.
Fig. 9 is the front view of the utility model the 4th embodiment gear train.
Figure 10 is the side view of the utility model the 5th embodiment gear train.
Figure 11 is the front view of the utility model the 6th embodiment gear train.
Figure 12 is the front view of the utility model the 7th embodiment gear train.
Figure 13 is the front view that the utility model the 8th is implemented gear train.
Figure 14 is the side view of the utility model the 9th embodiment gear train.
Figure 15 is the front view of the utility model the 9th embodiment gear train.
Figure 16 is the front view of the utility model the tenth embodiment gear train.
Figure 17 is the front view of the utility model the 11 embodiment gear train.
Figure 18 is the front view of the utility model the 12 embodiment gear train.
Figure 19 is the front view of the utility model the 13 embodiment gear train.
Figure 20 is the front view of the utility model the 14 embodiment gear train.
Figure 21 is the front view of the utility model the 15 embodiment gear train.
Figure 22 is the front view of the utility model the 16 embodiment gear train.
Motor and worm screw are housed on the scanister optical module, this motor and worm screw are by a gear set or directly be connected, and fix a wrom tooth bar along the optical module sense of displacement in the appropriate location of scanister pedestal one end, this wrom tooth bar and worm mesh, between this wrom tooth bar and the optical module and be provided with suitable guide mechanism, utilize the motor driven worm screw to rotate, worm screw is moved on the wrom tooth bar, under active state, move horizontally to drive optical module.When worm screw combines with the wrom tooth bar, can when transmission, produce a side force, utilize this power to make the side of optical module near the wrom tooth bar, reach the direction demand of keeping.
As Fig. 2, Fig. 3 and shown in Figure 4, the active gear train of a kind of scanister that the utility model provides, its structure is: be provided with an optical module that can move horizontally 11 on pedestal 10, be fixed with a motor 12 on this optical module 11, be fixed with first gear 13 on the axle center of this motor 12, and on optical module 11, be provided with second gear 14 and worm screw 15, first gear 13 and 14 engagements of second gear, second gear 14 meshes with worm screw 15 again.Motor 12 drives, and by 14 transmissions of first gear, 13, the second gears, worm screw 15 is rotated.Be provided with a wrom tooth bar 16 at worm screw 15 downsides (as Fig. 5 and Fig. 6) or the outside (as Fig. 7), this wrom tooth bar 16 is fixed in an end of pedestal 10, and wrom tooth bar 16 is along optical module 11 sense of displacement settings, and this wrom tooth bar 16 meshes with worm screw 15.Comparatively simple during wrom tooth bar 16 assembling, do not need as prior art to the time rule belts to consider the control of tension force.In addition, the also available tooth bar 161 of wrom tooth bar 16 replaces (as Figure 10 and Figure 11).
In addition, be provided with a flange 17 in these wrom tooth bar 16 1 sides, and be provided with flange 18 with matching at optical module 11 1 ends, (as Fig. 6,7), the flange 17 of wrom tooth bar 16 1 sides extends along wrom tooth bar 16 (or tooth bar 161) direction, form suitable guiding structural by flange 17 and 18, move along wrom tooth bar 16 (or tooth bar 161) direction in order to guiding optical module 11.
In the utility model, motor 12 drives worm screw 15 and rotates by first gear 13, second gear 14, and worm screw 15 is except passing through first gear 13 and second bucket wheel 14 and motor 12 is connected, and worm screw 15 also can directly be connected with motor 12.Utilize worm screw 15 on wrom tooth bar 16 or tooth bar 161, to rotate and drive optical module 11 and under active state, do horizontal shift, scan the action of contribution.
In addition, as Fig. 8, Fig. 9, Figure 12 and shown in Figure 13, the utility model also can be provided with two flanges 18 at an end of optical module 11, cooperates with wrom tooth bar 16 (or tooth bar 161) both sides, moves along wrom tooth bar 16 (or tooth bar 161) direction in order to guiding optical module 11.
The also available gear 151 of the worm screw 15 of the foregoing description replaces (extremely shown in Figure 22 as Figure 14), utilizes this gear 151 and tooth bar 161 engagements.Gear 151 can be spur gear (spur gear) (extremely shown in Figure 180 as Figure 14) or spiral gear (helical gear) (extremely shown in Figure 22 as Figure 19).These tooth bar 161 both sides are provided with a flange 19 (as Figure 15, Figure 16, Figure 19 and shown in Figure 20), and the flange 19 of tooth bar 161 both sides extends along tooth bar 161 directions, and this two flange 19 is engaged in gear 151 both sides, move along tooth bar 161 directions in order to guiding optical module 11.
In addition, gear 151 both sides are provided with flange 20 (as Figure 17, Figure 18, Figure 21 and Figure 22), and this two flange 20 is engaged in tooth bar 161 both sides, move along tooth bar 161 directions in order to guiding optical module 11.
Claims (8)
1, the active gear train of a kind of scanister, but pedestal is provided with the optical module of horizontal shift, be fixed with motor on the optical module, it is characterized in that: optical module is provided with the gear train that is connected with motor, pedestal one end links to each other with gear train, gear train is along the sense of displacement setting of optical module, between gear train and the optical module and be provided with guide mechanism.
2, the active gear train of a kind of scanister as claimed in claim 1, it is characterized in that: optical module is provided with worm screw, motor and worm screw are by gear set or directly be connected, pedestal one end is wrom tooth bar or tooth bar fixedly, wrom tooth bar or tooth bar are along the moving direction setting of optical module, wrom tooth bar or tooth bar and worm mesh are provided with guide mechanism between wrom tooth bar or tooth bar and the optical module.
3, the active gear train of a kind of scanister as claimed in claim 2 is characterized in that: guide mechanism, be provided with flange at wrom tooth bar or tooth bar one side, and optical module one end is provided with can flange with matching.
4, the active gear train of a kind of scanister as claimed in claim 2 is characterized in that: optical module one end is provided with two flanges that can match with wrom tooth bar or tooth bar both sides.
5, the active gear train of a kind of scanister as claimed in claim 1, it is characterized in that: optical module is provided with gear, motor and gear are by gear set or directly be connected, pedestal one end stationary rack, tooth bar is along the moving direction setting of optical module, rack and pinion engagement is between tooth bar and the optical module and be provided with guide mechanism.
6, the active gear train of a kind of scanister as claimed in claim 5, it is characterized in that: gear is spur gear or spiral gear.
7, the active gear train of a kind of scanister as claimed in claim 5 is characterized in that: guide mechanism, respectively be provided with a flange in the tooth bar both sides, and two flanges are engaged in the gear both sides.
8, the active gear train of a kind of scanister as claimed in claim 5 is characterized in that: guide mechanism, and the gear both sides respectively are provided with a flange, and two flanges are engaged in the tooth bar both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99208124 CN2372725Y (en) | 1999-04-02 | 1999-04-02 | Active drive for scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99208124 CN2372725Y (en) | 1999-04-02 | 1999-04-02 | Active drive for scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2372725Y true CN2372725Y (en) | 2000-04-05 |
Family
ID=34001967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99208124 Expired - Fee Related CN2372725Y (en) | 1999-04-02 | 1999-04-02 | Active drive for scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2372725Y (en) |
-
1999
- 1999-04-02 CN CN 99208124 patent/CN2372725Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |