CN203535366U - Focusing mechanism and projector thereof - Google Patents
Focusing mechanism and projector thereof Download PDFInfo
- Publication number
- CN203535366U CN203535366U CN201320393622.6U CN201320393622U CN203535366U CN 203535366 U CN203535366 U CN 203535366U CN 201320393622 U CN201320393622 U CN 201320393622U CN 203535366 U CN203535366 U CN 203535366U
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- CN
- China
- Prior art keywords
- thumb wheel
- sliding
- adjusting mechanism
- projector
- focus adjusting
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Abstract
The utility model provides a focusing mechanism and a projector thereof, which comprise a shell, an optical engine and a focusing mechanism. The shell is provided with a projection port and a focusing port. The optical engine is movably arranged in the shell and is positioned corresponding to the projection port. The focusing mechanism comprises a sliding thumbwheel and a sliding pull rod. The sliding thumbwheel and the sliding pull rod are movably connected. The sliding thumbwheel is fixedly arranged on the shell. The sliding pull rod is connected with the optical engine. According to the technical scheme of the utility model, a focusing engine head is formed by the sliding thumbwheel and the sliding pull rod, and the position of the optical engine is adjusted through dialing the sliding thumbwheel to drive the sliding pull rod. Therefore, the focusing mechanism and the projector thereof have the advantages of simple structure and convenient assembly. Meanwhile, the rotation of the sliding thumbwheel is free from the restriction of a rack and the sliding thumbwheel can be freely rotated clockwise or anticlockwise to adjust the position of the optical engine. In this way, the thumbwheel is convenient and simple to use. Moreover, the entire thumbwheel is uniformly operated and longer in service life.
Description
Technical field
The utility model belongs to a kind of projector equipment, relates in particular to a kind of focus adjusting mechanism and projector thereof.
Background technology
At present, the focus adjusting mechanism of micro projector generally adopts the mode of adjustable lens to focus, as utility model patent: the lens focusing structure of micro projector, the disclosed a kind of focus adjusting mechanism of the patent No.: 201220030782.x, he comprises casing, camera lens and focus adjusting mechanism, casing is provided with a projection mouth and a focusing mouthful, lens movable is nested with in casing and corresponding projection mouth, focus adjusting mechanism is arranged on camera lens, the position of the mode adjustable lens coordinating by wheel and rack, thereby reach the object of focusing, this kind of focusing mode has the following disadvantages:
1) rack-and-pinion focusing mode structure is comparatively complicated, and the quality of fit of rack-and-pinion is had relatively high expectations, and manufacturing technique requirent is high, and assembling is also comparatively complicated, and production cost is high;
2) activity of rack-and-pinion is one-way movable, and for example the rotatable camera lens of thumb wheel dextrorotation travels forward, and when thumb wheel is rotated counterclockwise, after camera lens picture, moves, and mode of motion is single, and thumb wheel scope of activities is little, and the scope being rubbed is little, is subject to friction portion easy to wear;
3) while regulating thumb wheel strength slightly large, easily surpass the tooth bar limit, larger to the shock of tooth bar, fragile tooth bar, product is short serviceable life.
As can be seen here, still there is many defects in the focus adjusting mechanism using in above-mentioned prior art and projector thereof, and is urgently further improved, to address the above problem.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, can arbitrarily stir thumb wheel and focus, the focus adjusting mechanism of product longer service life and projector thereof.
The utility model is achieved in that a kind of focus adjusting mechanism and projector thereof, comprise casing, ray machine, focus adjusting mechanism, described casing is provided with a projection mouth and a focusing mouthful, described ray machine activity is located in described casing and corresponding projection mouth, described focus adjusting mechanism comprises slip thumb wheel and sliding tie rod, described slip thumb wheel is flexibly connected with described sliding tie rod, and described slip thumb wheel is installed on described casing, and described sliding tie rod is connected with described ray machine.
Concrete, described slip thumb wheel upper surface convexes with reference column to the direction perpendicular to described upper surface, described slip thumb wheel lower surface convexes with reference column to the direction perpendicular to described lower surface, and described casing is provided with pilot hole, and described reference column stretches in described pilot hole.
Concrete, between described slip thumb wheel upper surface and described reference column, being provided with offset cam, described sliding tie rod is provided with the draw-in groove coordinating with described offset cam, and described offset cam stretches in described draw-in groove.
Concrete, described sliding tie rod is provided with slotted hole, and the reference column of described slip thumb wheel upper surface is connected with described casing through described slotted hole.
Concrete, described sliding tie rod is provided with detent, and described ray machine one side is stretched out catch, and described catch stretches in described detent.
A kind of focus adjusting mechanism and projector thereof that the utility model provides, comprise casing, ray machine, focus adjusting mechanism, described casing is provided with a projection mouth and a focusing mouthful, described ray machine activity is located in described casing and corresponding projection mouth, described focus adjusting mechanism comprises slip thumb wheel and sliding tie rod, described slip thumb wheel is flexibly connected with described sliding tie rod, and described slip thumb wheel is installed on described casing, and described sliding tie rod is connected with described ray machine.The focusing head that adopts slip thumb wheel and sliding tie rod to form, by stirring slip thumb wheel, drive sliding tie rod to regulate the mode of ray machine position simple in structure, easy to assembly, slip thumb wheel rotates and not limited by tooth bar, can be along arbitrarily rotating and regulate counterclockwise, simple and easy to use, whole thumb wheel is used evenly, and extend serviceable life.
Accompanying drawing explanation
Fig. 1 is a kind of focus adjusting mechanism of the utility model and projector one-piece construction schematic diagram thereof;
Fig. 2 is a kind of focus adjusting mechanism of the utility model and projector one-piece construction decomposed schematic diagram thereof;
Fig. 3 is a kind of focus adjusting mechanism of the utility model and projector ray machine structural representation thereof;
Fig. 4 is a kind of focus adjusting mechanism of the utility model and projector focus adjusting mechanism structural representation thereof;
Fig. 5 is a kind of focus adjusting mechanism of the utility model and projector focus adjusting mechanism slip thumb wheel structural representation thereof;
1-casing wherein; 11-projection mouth; 12-focuses mouthful; 13-pilot hole; 2-ray machine; 21 catch; 3-focus adjusting mechanism; 31-slip thumb wheel; 311-reference column; 312-offset cam; 32-sliding tie rod; 321-detent; 322-draw-in groove; 323-slotted hole.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated, be to be understood that, specific embodiment described herein is only in order to explain the utility model, and is not used in restriction the utility model.
A kind of focus adjusting mechanism of the utility model and projector thereof belong to micro projector field, comprise casing 1, ray machine 2, focus adjusting mechanism 3, described casing 1 is provided with a projection mouth 11 and a focusing mouth 12, described ray machine 2 activities are located in described casing 1 and corresponding projection mouth 11, described focus adjusting mechanism 3 comprises slip thumb wheel 31 and sliding tie rod 32, described slip thumb wheel 31 is flexibly connected with described sliding tie rod 32, described slip thumb wheel 31 is installed on described casing 1, and described sliding tie rod 32 is connected with described ray machine 2.During rotation adjusting slip thumb wheel 32, sliding tie rod 32 motions, drive ray machine 2 motions, regulate the distance of ray machine 2 and camera lens, thereby reach the object of focusing, and this mode is simple in structure, installs easily manufactured.
Concrete, described slip thumb wheel 31 upper surfaces convex with reference column 311 to the direction perpendicular to described upper surface, described slip thumb wheel 31 lower surfaces convex with reference column 311 to the direction perpendicular to described lower surface, described casing 1 is provided with pilot hole 11, described reference column 311 stretches in described pilot hole 11, reference column 311 be equivalent to the to slide central shaft of thumb wheel 31, and central shaft two ends are fixed on casing 1, while stirring slip thumb wheel 31, slip thumb wheel 31 rotates centered by reference column 311.
Concrete, between described slip thumb wheel 31 upper surfaces and described reference column 311, be provided with offset cam 312, described sliding tie rod 32 is provided with the draw-in groove 322 coordinating with described offset cam 312, described offset cam 312 stretches in described draw-in groove 322, the transverse movement path of offset cam 312 when draw-in groove 322 lateral lengths are less than 31 rotation of slip thumb wheel, therefore can promote sliding tie rod 32 does traverse motion, and the rotation of slip thumb wheel 31 is not subject to along affecting counterclockwise, all can promote sliding tie rod 32, thereby play the effect of focusing freely, regulative mode is simple, slip thumb wheel 31 is used evenly, life of product extends.
Concrete, described sliding tie rod 32 is provided with slotted hole 323, and the reference column 311 of described slip thumb wheel 31 upper surfaces is connected with described casing 1 through described slotted hole 323.
Concrete, described sliding tie rod 32 is provided with detent 321, and described ray machine 2 one sides are stretched out catch 21, and described catch 21 stretches in described detent 321, promotes catch 21, and then drive whole ray machine 2 to move reciprocatingly by sliding tie rod 32.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a focus adjusting mechanism and projector thereof, comprise casing, ray machine, focus adjusting mechanism, described casing is provided with a projection mouth and a focusing mouthful, described ray machine activity is located in described casing and corresponding projection mouth, it is characterized in that: described focus adjusting mechanism comprises slip thumb wheel and sliding tie rod, described slip thumb wheel is flexibly connected with described sliding tie rod, and described slip thumb wheel is installed on described casing, and described sliding tie rod is connected with described ray machine.
2. a kind of focus adjusting mechanism as claimed in claim 1 and projector thereof, it is characterized in that: described slip thumb wheel upper surface convexes with reference column to the direction perpendicular to described upper surface, described slip thumb wheel lower surface convexes with reference column to the direction perpendicular to described lower surface, described casing is provided with pilot hole, and described reference column stretches in described pilot hole.
3. a kind of focus adjusting mechanism as claimed in claim 2 and projector thereof, it is characterized in that: between described slip thumb wheel upper surface and described reference column, be provided with offset cam, described sliding tie rod is provided with the draw-in groove coordinating with described offset cam, and described offset cam stretches in described draw-in groove.
4. a kind of focus adjusting mechanism as claimed in claim 2 and projector thereof, is characterized in that: described sliding tie rod is provided with slotted hole, and the reference column of described slip thumb wheel upper surface is connected with described casing through described slotted hole.
5. a kind of focus adjusting mechanism as claimed in claim 4 and projector thereof, is characterized in that: described sliding tie rod is provided with detent, and described ray machine one side is stretched out catch, and described catch stretches in described detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393622.6U CN203535366U (en) | 2013-07-03 | 2013-07-03 | Focusing mechanism and projector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393622.6U CN203535366U (en) | 2013-07-03 | 2013-07-03 | Focusing mechanism and projector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535366U true CN203535366U (en) | 2014-04-09 |
Family
ID=50421557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320393622.6U Expired - Fee Related CN203535366U (en) | 2013-07-03 | 2013-07-03 | Focusing mechanism and projector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426810A (en) * | 2019-07-31 | 2019-11-08 | 深圳市捍卫者安全装备有限公司 | A kind of optical system of focus adjusting mechanism and laser aid |
-
2013
- 2013-07-03 CN CN201320393622.6U patent/CN203535366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426810A (en) * | 2019-07-31 | 2019-11-08 | 深圳市捍卫者安全装备有限公司 | A kind of optical system of focus adjusting mechanism and laser aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20190703 |