CN201698078U - Focusing mechanism for micro projector - Google Patents
Focusing mechanism for micro projector Download PDFInfo
- Publication number
- CN201698078U CN201698078U CN2010202403466U CN201020240346U CN201698078U CN 201698078 U CN201698078 U CN 201698078U CN 2010202403466 U CN2010202403466 U CN 2010202403466U CN 201020240346 U CN201020240346 U CN 201020240346U CN 201698078 U CN201698078 U CN 201698078U
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- CN
- China
- Prior art keywords
- rotating shaft
- micro projector
- fixed stop
- drive block
- utility
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- Expired - Lifetime
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Abstract
The utility model relates to a micro projector, in particular to a focusing mechanism for the micro projector. The focusing mechanism is characterized by comprising an adjuster, a rotating shaft, a fixed stop block, a driving block, retainer rings and a casing, wherein the rotating shaft is sleeved with and then screwed and matched with the fixed stop block; the adjuster is sleeved at the upper end of the rotating shaft; the driving block is sleeved at the lower end of the rotating shaft, is in sliding fit with the rotating shaft and is positioned on the rotating shaft through the retainer rings arranged on two sides; and the fixed stop block is clamped with the casing. The focusing mechanism for the micro projector can be continuously adjusted in the designed measuring range, has no dead center, is especially suitable for focusing the micro projector, can be perfectly combined with the micro projector and accords with the ergonomic design; the utility model can realize the conversion from the rotation to the translation and only generates the longitudinal (focusing direction) driving force on a lens cone without generating the horizontal pressure and horizontal movement on the lens cone when the driving block does the relative movement; and in addition, the utility model is small and practical and convenient to assemble and produce in large scale.
Description
Technical field
The utility model relates to a kind of micro projector, is specially a kind of micro projector focus adjusting mechanism.
Background technology
Owing to will keep the compactedness of structure, the eyeglass in the projection imaging lens die will be dismissed the part at edge usually, and the profile that causes final projection imaging lens barrel like this is a square structure, can't adopt traditional rotation mode to realize focusing.
Summary of the invention
At problems of the prior art, the purpose of this utility model is to provide the technical scheme of a kind of micro projector with focus adjusting mechanism.
Described micro projector focus adjusting mechanism, it is characterized in that comprising regulator, rotating shaft, fixed stop, drive block, back-up ring and shell, threaded after described rotating shaft and the fixed stop socket, rotating shaft upper end socket is provided with regulator, the socket of rotating shaft lower end is provided with drive block, drive block and rotating shaft are for being slidingly matched, and drive block is positioned in the rotating shaft by the back-up ring that both sides are provided with, and fixed stop and shell clamping are provided with.
Described micro projector focus adjusting mechanism is characterized in that described regulator is set to driving lever or knob structure.
Described micro projector focus adjusting mechanism is characterized in that adopting between described rotating shaft and the fixed stop motion thread or STRTHD to be connected.
Described micro projector focus adjusting mechanism is characterized in that described rotating shaft lower end is provided with two adjacent grooves, and drive block is arranged between two grooves, the back-up ring that the drive block both sides are provided with respectively with two groove clampings.
Above-mentioned micro projector focus adjusting mechanism, the small and exquisite practicality of whole focus adjusting mechanism, and adjustable continuously in the design range, the dead point can not occur, be highly suitable for micro projector focusing and use, can with the perfect adaptation of little shape projector, outward appearance is succinct, meets ergonomic designs; Can realize turning to the conversion of translation, during drive block generation relative motion, lens barrel be had only vertically the drive of (focusing direction), can not produce horizontal pressure, can not produce laterally moving of lens barrel, its small and exquisite practicality, easy to assembly, make things convenient for large-scale production.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model regulator;
Fig. 3 is the structural representation of the utility model rotating shaft;
Fig. 4 is the structural representation of the utility model fixed stop;
Fig. 5 is the structural representation of the utility model drive block;
Fig. 6 is the structural representation of the utility model back-up ring;
Fig. 7 is the utility model shell and fixed stop cooperation figure;
Fig. 8 is the utility model rotating shaft and fixed stop cooperation figure;
Fig. 9 is the utility model rotating shaft, drive block and back-up ring cooperation figure.
Embodiment
Below in conjunction with Figure of description the utility model is described further:
As shown in Figure 1, the micro projector focus adjusting mechanism, comprise regulator 1, rotating shaft 2, fixed stop 3, drive block 4, back-up ring 5 and shell 6, described regulator 1 is set to driving lever or knob structure, threaded after described rotating shaft 2 and fixed stop 3 sockets, can adopt motion thread or STRTHD to connect, rotating shaft 2 upper end sockets are provided with regulator 1, rotating shaft 2 lower end sockets are provided with drive block 4, drive block 4 and rotating shaft 2 are for being slidingly matched, be drive block 4 with rotating shaft 2 between smooth the contact, when rotating shaft 2 was rotated, drive block 4 can 2 not rotate around the shaft, end at drive block 4 connects the projection imaging lens barrel, drive block 4 is positioned in the rotating shaft 2 by the back-up ring 5 that both sides are provided with, and particularly, rotating shaft 2 lower ends are provided with two adjacent grooves 24, drive block 4 is arranged between two grooves 24, the back-up ring 5 that drive block 4 both sides are provided with respectively with two groove 24 clampings, final fixed stop 3 and shell 6 clamping settings are connected as a single entity governor motion and shell 6.Cooperate by circle between rotating shaft 2 and the drive block 4, and it is constant by the relative position between back-up ring 5 maintenance drive blocks 4 and the rotating shaft 2, when regulator 1 rotates, driving rotating shaft 2 moves along the threaded line of fixed stop 3, rotating shaft 2 not only rotates, also can and fixed block 3 between relative translation takes place, relative translation takes place thereby drive drive block 4 opposite shell 6, further drive the imaging lens barrel and realize focusing action.
Figure 2 shows that the structure of regulator 1, driving lever 11 is used for contacting with staff, produces and stirs effect, and driving lever 11 not only can be a shape as shown, also can be knob shaped, and trepanning 12 is used to drive rotating shaft 2 and rotates.
Figure 3 shows that the structure of rotating shaft 2, the loop bar 21 of rotating shaft 2 is used for cooperating with the trepanning 12 of the regulator 1 shown in Fig. 2, realizes the rotating effect that is driven by regulator 1; Screw thread 22 can be that motion thread can be a STRTHD also, is used to realize and the relatively rotating of fixed stop 3 that the hard-over that the pitch of motion thread and rotating shaft can realize has determined the size of the focusing range of this focus adjusting mechanism; Transmission cooperates district 23, groove 24 to be used for fixing drive block 4, by insert back-up ring 5 at groove 24 places, can realize that drive block 4 is fixed on transmission to be cooperated district 23 and keep relative position constant.
Figure 4 shows that the structure of fixed stop 3, fixed stop 3 is fixed on the shell 6, and the screw thread 22 of fixed stop 3 center threaded area 31 and rotating shaft 2 matches, and when regulator 1 drove rotating shaft 2 rotations, rotating shaft 2 rotated and relative translation by screw thread with fixed stop 3.
Figure 5 shows that the structure of drive block 4, the transmission that is sleeved on rotating shaft 2 by trepanning 41 cooperates district 23, and when rotating shaft 2 was rotated, drive block 4 with rotating shaft 2 relative slip took place, and can not drive drive block 4 and rotate together.
Figure 6 shows that the structure of back-up ring 5, back-up ring 5 is fixed on groove 24 positions in the rotating shaft 2, and the relative position that is used for fixing drive block 4 and rotating shaft 2 remains unchanged, and can not limit relatively rotating between drive block 4 and the rotating shaft 2.
Figure 7 shows that the fit structure of shell 6 and fixed stop 3, processing for convenience, so made fixed stop 3 separately, fixed stop 3 and shell 6 are fixed together, and its effect is to make rotating shaft 2 provide relative translation in relative rotation simultaneously with it by the screw thread in it.
Figure 8 shows that the fit structure of rotating shaft 2 and fixed stop 3, after rotating shaft 2 is at first inserted the threaded area of fixed stop 3 and fixed stop 3 and worked good, can realize relatively rotating and provide simultaneously relative translation between them.
Figure 9 shows that the fit structure of rotating shaft 2, drive block 4 and back-up ring 5, after the installation of having finished between rotating shaft 2 and the fixed stop 3, again drive block 4 and back-up ring 5 are installed in the rotating shaft 2, finish the transmission shaft mounting portion, again regulator 1 is installed in the rotating shaft 2 afterwards, has so just finished the installation of whole focusing module, at last whole focusing module is installed in the shell 6, realize that the fixed stop 3 in the focusing module is fixed on the shell 6, whole so miniature shadow instrument is finished with the focus adjusting mechanism assembling.
Above embodiment only is explanation technical characterictic of the present utility model and exploitativeness, and its purpose is to make the person skilled in art can understand content of the present invention and is implemented.Although the utility model is described with reference to specific embodiment; but; these descriptions should be interpreted as a kind of restriction situation; obviously can make various improvement in the disclosed embodiment and other embodiment of the present utility model description of the present utility model with reference to above for those skilled in the art; therefore; only it is contemplated that otherwise departing from spirit and scope of the present utility model is to make such improvement; all conversion of having done according to design of the present utility model are all within protection domain of the present utility model.
Claims (4)
1. micro projector focus adjusting mechanism, it is characterized in that comprising regulator (1), rotating shaft (2), fixed stop (3), drive block (4), back-up ring (5) and shell (6), threaded after described rotating shaft (2) and fixed stop (3) socket, rotating shaft (2) upper end socket is provided with regulator (1), rotating shaft (2) lower end socket is provided with drive block (4), drive block (4) and rotating shaft (2) are for being slidingly matched, drive block (4) is positioned in the rotating shaft (2) by the back-up ring (5) that both sides are provided with, fixed stop (3) and shell (6) clamping setting.
2. micro projector focus adjusting mechanism according to claim 1 is characterized in that described regulator (1) is set to driving lever or knob structure.
3. micro projector focus adjusting mechanism according to claim 1 is characterized in that adopting between described rotating shaft (2) and the fixed stop (3) motion thread or STRTHD to be connected.
4. micro projector focus adjusting mechanism according to claim 1, it is characterized in that described rotating shaft (2) lower end is provided with two adjacent grooves (24), drive block (4) is arranged between two grooves (24), the back-up ring (5) that drive block (4) both sides are provided with respectively with two grooves (24) clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202403466U CN201698078U (en) | 2010-06-25 | 2010-06-25 | Focusing mechanism for micro projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202403466U CN201698078U (en) | 2010-06-25 | 2010-06-25 | Focusing mechanism for micro projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698078U true CN201698078U (en) | 2011-01-05 |
Family
ID=43399325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202403466U Expired - Lifetime CN201698078U (en) | 2010-06-25 | 2010-06-25 | Focusing mechanism for micro projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201698078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590980A (en) * | 2012-03-21 | 2012-07-18 | 海信集团有限公司 | Lens focusing device |
| CN105022209A (en) * | 2014-04-16 | 2015-11-04 | 信泰光学(深圳)有限公司 | Micro-projector |
-
2010
- 2010-06-25 CN CN2010202403466U patent/CN201698078U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590980A (en) * | 2012-03-21 | 2012-07-18 | 海信集团有限公司 | Lens focusing device |
| CN102590980B (en) * | 2012-03-21 | 2014-04-16 | 海信集团有限公司 | Lens focusing device |
| CN105022209A (en) * | 2014-04-16 | 2015-11-04 | 信泰光学(深圳)有限公司 | Micro-projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |