CN101101434A - Positioning device and projector applying same - Google Patents
Positioning device and projector applying same Download PDFInfo
- Publication number
- CN101101434A CN101101434A CNA2006101011615A CN200610101161A CN101101434A CN 101101434 A CN101101434 A CN 101101434A CN A2006101011615 A CNA2006101011615 A CN A2006101011615A CN 200610101161 A CN200610101161 A CN 200610101161A CN 101101434 A CN101101434 A CN 101101434A
- Authority
- CN
- China
- Prior art keywords
- light pipe
- projector
- elastic body
- support board
- entity plate
- 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.)
- Pending
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The invention discloses a locating mechanism and a projector using the locating mechanism, where the locating mechanism is used to locate a light guide tube on an optical machine case; the optical machine case has a case surface, a first support plate and a second support plate, where the first support plate and the second support plate are saliently arranged on the case surface; the locating mechanism comprises a holding component coupled with the optical machine case, and a containing space is limited between the holding component and the two support plates; the light guide tube is arranged in the containing space; the holding component comprises a location elastic body which is arranged on the holding component and butts against the light guide tube to exert a location elastic force on the light guide tube along a central axis of the light guide tube.
Description
Technical field
The projector that the present invention relates to a kind of detent mechanism and use this detent mechanism particularly relates to a kind of detent mechanism of light pipe on a ray machine housing and projector that uses this detent mechanism of locating.
Background technology
The tradition projector comprise a ray machine housing, a bulb, a light pipe (Light pipe) and a digital micromirror elements (Digital Micromirror Device, DMD).Bulb is installed in the ray machine housing, and a light source is provided.Light pipe is assembled on the ray machine housing.Light pipe is one of optical element important in the projector, and the main function of light pipe is to be the directional light with rectangular cross section with light source-guide.Projector is projected on the digital micromirror elements by directional light, to produce a reflected image.
Because ray machine housing and light pipe all have the scope of component size tolerance to a certain degree, when light pipe is assembled on the ray machine housing and light pipe is that the rectangular cross section directional light can't correctly be projected on the digital micromirror elements when being arranged at correct position.Light pipe must be positioned on the tram of ray machine housing accurately, with accurate projection rectangle directional light on digital micromirror elements.Therefore, generally in projector's assembling manufacture craft, the assembler must carry out light pipe fine setting localization step.
Between traditional light pipe and the ray machine housing, be provided with one first fine adjustment screw and one second fine adjustment screw.First fine adjustment screw is in order to adjust the position of light pipe along first direction, and second fine adjustment screw is in order to adjust the position of light pipe along second direction.First direction is perpendicular to the central axis direction of light pipe, and second direction is perpendicular to first direction and central axis direction.
Yet traditional projector only adjusts the position location of first direction and second direction.In assembling trim process or use, light pipe also may the axial tram of off-center.Light pipe can't correctly be projeced on the digital micromirror elements, make the image quality of projector reduce greatly.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of projector, its utilize a location elastic body provide one along the location elastic force of central axis direction on light pipe, make projector in assembling trim process or use, can avoid the axial tram of light pipe off center.Not only the precision that light pipe is assembled in the ray machine housing can be increased, more the quality of projector's imaging can be improved greatly.
According to purpose of the present invention, a kind of detent mechanism is proposed, in order to locate a light pipe on a ray machine housing.The ray machine housing has a surface of shell, one first support board and one second support board.First support board and second support board are convexly set on the surface of shell.Detent mechanism comprises a clamping element, and clamping element is coupled on the ray machine housing, and and first support board and second support board between limit an accommodation space, light pipe is arranged in the accommodation space.Clamping element comprises a location elastic body, and the location elastic body applies a location elastic force against light pipe on light pipe in order to the central axis direction along light pipe.
According to a further object of the present invention, a kind of projector is proposed.Projector comprises a light pipe, a ray machine housing and a location mechanism.The ray machine housing has a surface of shell, one first support board and one second support board, and first support board and second support board are convexly set in surface of shell.Detent mechanism is in order to the location and adjust light pipe.Detent mechanism comprises a clamping element, and clamping element is coupled on the ray machine housing, and and first support board and second support board between limit an accommodation space, light pipe is arranged in the accommodation space.Clamping element comprises a location elastic body against light pipe, applies a location elastic force in light pipe in order to the central axis direction along light pipe.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Fig. 1 is the combination synoptic diagram of ray machine housing, light pipe and the detent mechanism of preferred embodiment of the present invention;
Fig. 2 is the front view of the clamping element among Fig. 1;
Fig. 3 is the rear view of the clamping element among Fig. 2;
Fig. 4 bears the decomposing schematic representation of each elastic force for light pipe among Fig. 1.
The main element symbol description
10: detent mechanism
11: the first fine adjustment screws
12: the second fine adjustment screws
20: the ray machine housing
21: the first support boards
22: the second support boards
23: surface of shell
30: light pipe
50: accommodation space
60: clamping element
61: the first elastic bodys
62: the second elastic bodys
63: the first entity plates
64: the second entity plates
65: the holding section
70: the location elastic body
71: the first ends
72: the second ends
73: the butting section
F61: first elastic force
F62: second elastic force
F70: location elastic force
L30: central axis direction
L61: first direction
L62: second direction
Embodiment
Please refer to Fig. 1, it illustrates is combination synoptic diagram according to ray machine housing, light pipe and the detent mechanism of preferred embodiment of the present invention.Projector comprises a light pipe (Light pipe) 30 and one location mechanism 10.Detent mechanism 10 is in order to the location and adjust light pipe 30.Detent mechanism 10 comprises a clamping element 60.Clamping element 60 comprises a location elastic body 70.Location elastic body 70 applies a location elastic force F70 in light pipe 30 against light pipe 30 in order to the central axis direction L30 along light pipe 30.
In addition, projector more comprises a ray machine housing 20.Ray machine housing 20 has a surface of shell 23, one first support board 21 and one second support board, 22, the first support boards 21 and second support board 22 is convexly set in surface of shell 23.And first support board 21, second support board 22 and surface of shell 23 are vertical mutually, form a L type section structure.
Moreover clamping element 60 is coupled on the ray machine housing 20.Clamping element 60 also comprises one first entity plate 63 and one second entity plate, 64, the first entity plates 63 and second entity plate, the 63 vertical L type section structures that connect into.When clamping element 60 is coupled on the ray machine housing 20, form a four sides open column shape accommodation space 50 between first entity plate 63, second entity plate 64, first support board 21 and second support board 22, in order to ccontaining light pipe 30.
Please be simultaneously with reference to Fig. 2 and Fig. 3, Fig. 2 illustrates the front view of the clamping element 60 among Fig. 1.Fig. 3 illustrates the rear view of the clamping element 60 among Fig. 2.Location elastic body 70 is a Wound-rotor type spring, and is arranged on second entity plate 64.Location elastic body 70 comprises a butting section 73, one first end 71 and one second end 72.Butting section 73 protrudes from the surface of second entity plate 64, and in order in light pipe 30 is placed in accommodation space 50 time, and butting section 73 is when being resisted against light pipe 30, and location elastic body 70 applies a location elastic force F70 on light pipe 30.First end 72 is arranged on second entity plate 64 in a fixing mode.In the present embodiment, location elastic body 70 is by a screw closure first end 72 and second entity plate 64.Second end 72 is arranged on second entity plate 64 in a mobilizable mode.In the present embodiment, second end 72 is a trip, and clamping element 60 comprises that also a holding section 65 is convexly set in the surface of second entity plate 64.Second end 72 is with mobilizable mode and holding section 65 snappings.
As shown in Figure 3, clamping element 60 also comprises one first elastic body 61 and one second elastic body 62.In the present embodiment, first elastic body 61 and second elastic body 62 are coil spring.When first elastic body 61 is arranged on first entity plate 63, and during against light pipe 30, first elastic body 61 applies one first elastic force F61 on light pipe 30.Second elastic body 62 is arranged on second entity plate 64, and against light pipe 30, this moment, second elastic body 62 applied one second elastic force F62 on light pipe 30.
Please refer to Fig. 4, it illustrates the decomposing schematic representation that light pipe 30 among Fig. 1 bears each elastic force.First direction L61, second direction L62 and central axis direction L30 come down to vertical mutually.First elastic body 61 and first fine adjustment screw 11 are along the both sides of first direction L61 clamping light pipe 30.When the assembler adjusted first fine adjustment screw 11, light pipe 30 was subjected to the extruding of first fine adjustment screw 11 and moves along first direction L61.Simultaneously, first elastic body 61 applies one first elastic force F61 on light pipe 30, makes light pipe 30 be positioned the predeterminated position of first direction L61.Second elastic body 62 and second fine adjustment screw 12 are along the both sides of second direction L62 clamping light pipe 30.In like manner, light pipe 30 can be positioned the predeterminated position of second direction L62 by second elastic body 62 and second fine adjustment screw 12.When adjusting light pipe 30 positions, light pipe 30 can be avoided displacement at central axis direction L30 by location elastic body 70.
According to above preferred embodiment, though first elastic body, second elastic body and location elastic body are that example explains with two coil springs and a Wound-rotor type spring respectively, yet first elastic body of the present invention, second elastic body and location elastic body also can be shell fragment, torsion spring or flexible cushion.So long as utilize a kind of element with flexible character, provide the purpose of an elastic force to reach in light pipe, do not break away from technical scope of the present invention.
According to above preferred embodiment, though the location elastic body is to be that example explains to be arranged at second entity plate, yet location of the present invention elastic body also can be arranged at first entity plate.So long as with a location elastic body provide one along the location elastic force of central axis direction on light pipe, do not break away from technical scope of the present invention.
Disclosed detent mechanism of the above embodiment of the present invention and the projector that uses this detent mechanism, its utilize a location elastic body provide one along the location elastic force of central axis direction on light pipe, can avoid projector in assembling trim process or use, the axial tram of light pipe off center.Not only the precision that light pipe is assembled in the ray machine housing can be increased, more the quality of projector's imaging can be improved greatly.
In sum, though disclosed the present invention in conjunction with an above preferred embodiment, it is not in order to limit the present invention.Any in the technical field of the invention have know the knowledgeable usually, without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations.Therefore, protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (10)
1. projector comprises:
One light pipe;
One ray machine housing has:
One surface of shell;
One first support board; And
One second support board, this first support board and this second support board are convexly set in this surface of shell; And
One location mechanism, in order to locate and to adjust this light pipe, this detent mechanism comprises:
One clamping element is coupled on this ray machine housing, and and this first support board and this second support board between limit an accommodation space, this light pipe is arranged in this accommodation space, this clamping element comprises:
One location elastic body against this light pipe, applies a location elastic force in this light pipe in order to the central axis direction along this light pipe.
2. projector as claimed in claim 1, wherein this clamping element also comprises:
One first entity plate; And
One second entity plate is vertically connected at this first entity plate.
3. projector as claimed in claim 2, wherein this location elastic body is a Wound-rotor type spring, and is arranged on this second entity plate.
4. projector as claimed in claim 3, wherein this location elastic body comprises a butting section, this butting section protrudes from the surface of this second entity plate, and against this light pipe, in order to apply this location elastic force on this light pipe.
5. projector as claimed in claim 4, wherein this location elastic body also comprises one first end and one second end, and this first end is arranged on this second entity plate in a fixed manner, and this second end is arranged on this second entity plate in mobilizable mode.
6. projector as claimed in claim 5, wherein this second end is a trip, and this clamping element comprises that also a holding section is convexly set in the surface of this second entity plate, and this second end is buckled in this holding section in mobilizable mode.
7. projector as claimed in claim 2, this detent mechanism also comprises:
One first fine adjustment screw runs through this first support board and against this light pipe, in order to adjust the position of this light pipe at a first direction; And
One second fine adjustment screw runs through this second support board and against this light pipe, in order to adjust the position of this light pipe in a second direction, this second direction is vertical with this first direction in fact.
8. projector as claimed in claim 7, wherein this clamping element also comprises:
One first elastic body is arranged on this first entity plate, and against this light pipe, in order to apply one first elastic force along this first direction on this light pipe; And
One second elastic body is arranged on this second entity plate, and against this light pipe, in order to apply one second elastic force along this second direction on this light pipe.
9. projector as claimed in claim 8, wherein this first elastic body is a coil spring.
10. projector as claimed in claim 8, wherein this second elastic body is a coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101011615A CN101101434A (en) | 2006-07-05 | 2006-07-05 | Positioning device and projector applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101011615A CN101101434A (en) | 2006-07-05 | 2006-07-05 | Positioning device and projector applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101101434A true CN101101434A (en) | 2008-01-09 |
Family
ID=39035765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101011615A Pending CN101101434A (en) | 2006-07-05 | 2006-07-05 | Positioning device and projector applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101101434A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900925A (en) * | 2010-07-19 | 2010-12-01 | 苏州佳世达光电有限公司 | Optical machine module and projection device |
| WO2020253413A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2021135957A1 (en) * | 2019-12-30 | 2021-07-08 | 深圳光峰科技股份有限公司 | Square rod fixing assembly and optical apparatus |
-
2006
- 2006-07-05 CN CNA2006101011615A patent/CN101101434A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900925A (en) * | 2010-07-19 | 2010-12-01 | 苏州佳世达光电有限公司 | Optical machine module and projection device |
| CN101900925B (en) * | 2010-07-19 | 2011-12-07 | 苏州佳世达光电有限公司 | Optical machine module and projection device |
| WO2020253413A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| US11762270B2 (en) | 2019-06-20 | 2023-09-19 | Hisense Laser Display Co., Ltd. | Laser projection apparatus having a display control circuit |
| WO2021135957A1 (en) * | 2019-12-30 | 2021-07-08 | 深圳光峰科技股份有限公司 | Square rod fixing assembly and optical apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11669007B2 (en) | Projection lens and projector | |
| JP2008203540A (en) | Projection lens unit, and mirror fixing method and device of the same | |
| CN101331419A (en) | MEMS beam scanner system and method | |
| WO2022022240A1 (en) | Projection module and assembly method therefor, and near-eye display apparatus comprising projection module | |
| US5257051A (en) | Method and apparatus for adjusting the optical alignment of a film projection system | |
| CN101101434A (en) | Positioning device and projector applying same | |
| CN113544564B (en) | Projection lens and projection device | |
| EP1732318B1 (en) | Optical unit for projection display apparatus and projection display apparatus | |
| JP2000028947A (en) | Method for mounting beam forming optical system of laser scanner | |
| CN115826245A (en) | Augmented reality device | |
| JP3486680B2 (en) | Semiconductor laser projector unit | |
| JP2007212496A (en) | Optical device, projector, and manufacturing method of the optical device | |
| CN213023919U (en) | Reflector adjusting mechanism for projection optical machine, projection optical machine and projector | |
| CN112445057B (en) | Reflector adjusting mechanism, projection optical machine and projector | |
| CN211348974U (en) | Color wheel adjusting component and optical device | |
| JP2008281640A (en) | Lens positioning tool, lens barrel mounting method, and lens device | |
| JP2008276152A (en) | Mirror positioning jig and mirror attaching method | |
| JP3487509B2 (en) | Light valve assembly | |
| CN216956496U (en) | Reflector adjusting device, reflector adjusting equipment and projection equipment | |
| JP2000352650A (en) | Structure of projection lens barrel | |
| JP2827596B2 (en) | Optical components | |
| CN101097393A (en) | Projecting camera | |
| JP4086553B2 (en) | Lamp unit, lamp house and image display device | |
| CN111812796A (en) | Projector reflector adjusting and fixing device and method | |
| JP2001209118A (en) | Projection type display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |