CN105319813A - Focal length damping adjusting device of projector optical machine - Google Patents
Focal length damping adjusting device of projector optical machine Download PDFInfo
- Publication number
- CN105319813A CN105319813A CN201510863800.0A CN201510863800A CN105319813A CN 105319813 A CN105319813 A CN 105319813A CN 201510863800 A CN201510863800 A CN 201510863800A CN 105319813 A CN105319813 A CN 105319813A
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- China
- Prior art keywords
- regulating arm
- ray machine
- hand wheel
- adjusting
- arm
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a focal length damping adjusting device of a projector optical machine. The focal length damping adjusting device comprises a structure shell, an adjusting arm and an adjusting hand wheel, wherein the adjusting arm is in a lever structure and a rotary shaft, which is used as a fulcrum of a lever, is arranged on the structure shell; one end of the adjusting arm comprises a coupling structure connected with an optical machine focal length adjusting handle; the optical machine focal length adjusting handle is a manual stirring handle for adjusting a focal length of the projector optical machine; and the other end of the adjusting arm is in contact with the adjusting hand wheel, so that rotary displacement of the adjusting hand wheel is transmitted to the optical machine focal length adjusting handle. The focal length damping adjusting device of the projector optical machine, provided by the invention, has the beneficial effects that in a product designing process, a suitable projector focal length adjusting damping value can be obtained through adjusting an arm length specific value of a power arm and a resistance arm of the adjusting arm according to product levels and user requirements. A sector-shaped structure design is adopted so that materials are saved; and a thickening step is arranged at a through hole so that the contact stability of the device and the optical machine focal length adjusting handle is improved.
Description
Technical field
The present invention relates to projection display technique field, be specifically related to the focus adjustment technology of projector equipment camera lens, particularly a kind of focal length damping adjustment device of projector ray machine.
Background technology
Along with the marketization of DLP (DigitalLightProcession) shadow casting technique of high-precision low cost is popularized, LED projector shoots up as the new lover in minimized office and household application market with advantages such as its low cost, low-power consumption, high brightness and portability highly.And combined with intelligent operating system and TV set-top box technology, become the competing product can not despised in intelligent television market.
In order to reach the parameters demands such as the stability of ray machine operation, ray machine is usually designed to independently module, and just has the focal length setting mechanism of himself at the beginning of design.This mode is that projector finished article design afterwards causes a definite limitation, such as:
If 1 directly uses the governor motion of former ray machine, certainly will will consider the structure of docking with focal length setting mechanism in the industrial appearance design of projector, affect the expression that overall appearance designs;
2, optic-mechanical design focuses on the realization of its function and the lifting of performance, seldom can consider the experience effect of user side, for focal length setting mechanism, damping (feel) at the beginning of designing when its profile and operation is molded, and its design is not based on Consumer's Experience, therefore might not be applicable to the global design theory of product;
3, projector products design according to former ray machine focal length setting mechanism, in order to the operability of product focus adjustment can be taken into account, then cannot meet the rational deployment of interiors of products functional unit very well, and then the Functional Designs such as product miniaturization and heat radiation may be had influence on.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of for the projector light mechanical coke distance damping adjustment device in projector products design.
Technical scheme of the present invention is as follows: projector light mechanical coke, apart from damping adjustment device, is characterized in that, comprises structure housing (3), regulating arm (2) and control hand wheel (1); Described regulating arm (2) is lever construction, rotating shaft (23) as described balance pivot is arranged in structure housing (3), one end of described regulating arm (2) comprises the coupled structure be connected with ray machine focus adjustment handle, and described ray machine focus adjustment handle is the manually group handle that projector ray machine is focused; The other end of described regulating arm (2) contacts with described control hand wheel (1), for the rotation displacement of control hand wheel (1) is passed to ray machine focus adjustment handle.
Preferred version, one end be connected with ray machine focus adjustment handle of regulating arm (2) comprises ray machine coupling aperture (212), described ray machine coupling aperture (212) is axially perpendicular with regulating arm (2) rotational plane through hole, and described ray machine coupling aperture (212) is socketed on ray machine focus adjustment handle.
Preferred version, described ray machine coupling aperture (212) place comprises and thickens step (211), described in thicken step (211) and be positioned at the side of regulating arm (2) towards ray machine.
Preferred version, described regulating arm (2) is flat, and its flat surface is parallel to regulating arm (2) rotational plane.
Preferred version, one end that described regulating arm (2) contacts with control hand wheel (1) is sector structure, contacts completely with control hand wheel (1) to make regulating arm (2) in regulating arm (2) rotation process.
Preferred version, the rotation displacement of control hand wheel (1) is passed to regulating arm (2) by the mode rubbed by described regulating arm (2) and control hand wheel (1).
Preferred version, the surface of described sector structure comprises the protruding coupling gear teeth (22), the surface of described control hand wheel (1) comprises the coupling gear teeth (11) matched with the described gear teeth that are coupled (22), and the described coupling gear teeth are used for the rotation displacement of control hand wheel (1) to be passed to regulating arm (2).
Preferred version, described ray machine coupling aperture (212) is track type through hole.
Preferred version, the lever model power arm of described regulating arm (2) and the brachium ratio of resistance arm are not less than 2/3, are not more than 3/2.
Preferred version, described structure housing (3) comprises L-type pickup groove (31) and external stability through hole (32); By two, the mutually vertical and structure grooves of UNICOM forms described L-type pickup groove (31), one of for installing regulating arm (2), another is for installing control hand wheel (1); Described external stability through hole (32) is for being fixed on projector equipment by bolt by device.
Preferred version, the described coupling gear teeth (22) are arranged as annular, and it is that the region of inswept control hand wheel is consistent that described annular shape and regulating arm (2) rotate.
Beneficial effect of the present invention is as follows: adopt such scheme, projector light mechanical coke of the present invention can in product design process apart from damping adjustment device, according to product orientation and user's request, obtain suitable projector focal length damping adjusting value by the power arm and resistance arm brachium ratio adjusting regulating arm.Further, fan-shaped structural design has saved material, and what through hole was arranged thicken step improves the stability that device contacts with ray machine focus adjustment handle.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of damping adjustment device preferred embodiment of the present invention;
Fig. 2 is the plan structure figure of preferred embodiment described in Fig. 1;
Fig. 3 is the face upwarding assumption diagram of preferred embodiment described in Fig. 1;
Fig. 4 is another viewing angle constructions schematic diagram of damping adjustment device preferred embodiment of the present invention.
Description of reference numerals: control hand wheel 1, the coupling gear teeth 11, rotating shaft 12, regulating arm 2, ray machine coupled end 21, thickens step 211, ray machine coupling aperture 212, the coupling gear teeth 22, rotating shaft 23, structure housing 3, L-type pickup groove 31, external stability through hole 32.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Refer to Fig. 1, as the preferred embodiments of the present invention, shown projector light mechanical coke comprises structure housing 3, regulating arm 2 and control hand wheel 1 apart from damping adjustment device, and wherein, control hand wheel is installed in structure housing 3 by rotating shaft 12.Described regulating arm 2 is lever construction, rotating shaft 23 as described balance pivot is arranged in structure housing 3, one end of described regulating arm 2 comprises the coupled structure be connected with ray machine focus adjustment handle, described ray machine focus adjustment handle is the manually group handle that projector ray machine is focused, wherein the effect of coupled structure is the rotation of regulating arm 2 to be delivered on ray machine focus adjustment handle, and then to change the focal length of ray machine.The other end of described regulating arm 2 contacts with described control hand wheel 1, for the rotation displacement of control hand wheel 1 is passed to ray machine focus adjustment handle.
As shown in Figure 2, Figure 3 and Figure 4, as preferred embodiment scheme, one end be connected with ray machine focus adjustment handle of regulating arm 2 comprises ray machine coupling aperture 212, described ray machine coupling aperture 212 is axially perpendicular with regulating arm 2 rotational plane through hole, and described ray machine coupling aperture 212 is socketed on ray machine focus adjustment handle.By the mode that through hole is socketed, the simple and effective transmission achieved from regulating arm 2 to the power of ray machine focus adjustment handle.
Preferred embodiment scheme, described ray machine coupling aperture 212 place comprises and thickens step 211, described in thicken step 211 and be positioned at the side of regulating arm 2 towards ray machine.Because ray machine focus adjustment handle is positioned on ray machine, and with ray machine lens axis for axle rotates, the length that the process of rotation can make ray machine focus adjustment handle be nested into above-mentioned through hole shortens.Add other factors such as mismachining tolerance, alignment error, likely make the contact reliability of regulating arm and focus adjustment handle reduce.This preferred embodiment scheme mainly designs in order to head it off.
Preferred embodiment scheme, described regulating arm 2 is flat, and its flat surface is parallel to regulating arm 2 rotational plane.The structure of flat saves the input of rapidoprint amount on the one hand; On the other hand, also can not the mechanical property basic to it have an impact.
Preferred embodiment scheme, one end that described regulating arm 2 contacts with control hand wheel 1 is sector structure, contacts completely with control hand wheel 1 to make regulating arm 2 in regulating arm 2 rotation process.Regulating arm 2 is designed to flat, and is that separately one end of control hand wheel is designed to larger fan-shaped of area.Consider the saving to material on the one hand, to reduce costs; On the other hand, also ensure that control hand wheel 1 contacts with the effective of regulating arm 2.
Preferred embodiment scheme, the rotation displacement of control hand wheel 1 is passed to regulating arm 2 with control hand wheel 1 by the mode rubbed by described regulating arm 2.This kind of embodiment transmitted for both realizations mechanics, the solution of the present invention is including but not limited to this kind of concrete form.
Preferred embodiment scheme, the surface of described sector structure comprises the protruding coupling gear teeth 22, the surface of described control hand wheel 1 comprises the coupling gear teeth 11 matched with the described gear teeth 22 that are coupled, and the described coupling gear teeth are used for the rotation displacement of control hand wheel 1 to be passed to regulating arm 2.Arrange on the surface of control hand wheel 1 coupling the gear teeth 11, be because: user direct acting position when control hand wheel 1 is focus adjustment, arrange coupling the gear teeth be conducive to manual toggle, feel is better; , be coupled by the coupling gear teeth and regulating arm meanwhile, better reliability.The present embodiment, by arranging protruding this special structure of the coupling gear teeth on the surface of regulating arm, has effectively taken into account the mechanics bang path of the two and the reliability of transmission.
Preferred embodiment scheme, described ray machine coupling aperture 212 is track type through hole.The through hole of track type more can adapt to the two coupling in change.
Preferred embodiment scheme, the lever model power arm of described regulating arm 2 and the brachium ratio of resistance arm are not less than 2/3, are not more than 3/2.This parameter is Consumer's Experience preferably lower threshold value on damping value.The scheme of the present embodiment refers to when designing the ratio of lever moving arm and resistance arm, can adopt the arbitrary value between two numerical value, also comprises two end values simultaneously.As the parameter of optimum, can adopt ratio be 1,1.2 and 0.8 form.
Preferred embodiment scheme, described structure housing 3 comprises L-type pickup groove 31 and external stability through hole 32; By two, the mutually vertical and structure grooves of UNICOM forms described L-type pickup groove 31, one of for installing regulating arm 2, another is for installing control hand wheel 1; Described external stability through hole 32 is for being fixed on projector equipment by bolt by device.Preferred embodiment scheme, the described coupling gear teeth 22 are arranged as annular, and it is that the region of inswept control hand wheel is consistent that described annular shape and regulating arm 2 rotate.The fundamental purpose of the profile design of the coupling gear teeth is also the material that saveall uses, to reduce costs.
It should be noted that; more than be described with reference to the accompanying drawings principle of work of the present invention; but those skilled in the art it is to be appreciated that; embodiment is only, for demonstration, the present invention is described; instructions is only that protection scope of the present invention is not limited to instructions for explaining claims.Anyly be familiar with those skilled in the art in technical scope disclosed by the invention, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. projector light mechanical coke is apart from a damping adjustment device, it is characterized in that, comprises structure housing (3), regulating arm (2) and control hand wheel (1); Described regulating arm (2) is lever construction, rotating shaft (23) as described balance pivot is arranged in structure housing (3), one end of described regulating arm (2) comprises the coupled structure be connected with ray machine focus adjustment handle, and described ray machine focus adjustment handle is the manually group handle that projector ray machine is focused; The other end of described regulating arm (2) contacts with described control hand wheel (1), for the rotation displacement of control hand wheel (1) is passed to ray machine focus adjustment handle.
2. projector light mechanical coke according to claim 1 is apart from damping adjustment device, it is characterized in that, one end be connected with ray machine focus adjustment handle of regulating arm (2) comprises ray machine coupling aperture (212), described ray machine coupling aperture (212) is axially perpendicular with regulating arm (2) rotational plane through hole, and described ray machine coupling aperture (212) is socketed on ray machine focus adjustment handle.
3. projector light mechanical coke according to claim 2 is apart from damping adjustment device, it is characterized in that, described ray machine coupling aperture (212) place comprises and thickens step (211), described in thicken step (211) and be positioned at the side of regulating arm (2) towards ray machine.
4. the projector light mechanical coke according to any one claim of claim 1-3 is apart from damping adjustment device, and it is characterized in that, described regulating arm (2) is flat, and its flat surface is parallel to regulating arm (2) rotational plane.
5. projector light mechanical coke according to claim 4 is apart from damping adjustment device, it is characterized in that, one end that described regulating arm (2) contacts with control hand wheel (1) is sector structure, contacts completely with control hand wheel (1) to make regulating arm (2) in regulating arm (2) rotation process.
6. projector light mechanical coke according to claim 5 is apart from damping adjustment device, it is characterized in that, the rotation displacement of control hand wheel (1) is passed to regulating arm (2) by the mode rubbed by described regulating arm (2) and control hand wheel (1).
7. projector light mechanical coke according to claim 5 is apart from damping adjustment device, it is characterized in that, the surface of described sector structure comprises the protruding coupling gear teeth (22), the surface of described control hand wheel (1) comprises the coupling gear teeth (11) matched with the described gear teeth that are coupled (22), and the described coupling gear teeth are used for the rotation displacement of control hand wheel (1) to be passed to regulating arm (2).
8. the projector light mechanical coke according to any one claim of claim 1-7 is apart from damping adjustment device, and it is characterized in that, described ray machine coupling aperture (212) is track type through hole.
9. projector light mechanical coke according to claim 8 is apart from damping adjustment device, and it is characterized in that, the lever model power arm of described regulating arm (2) and the brachium ratio of resistance arm are not less than 2/3, are not more than 3/2.
10. projector light mechanical coke according to claim 9 is apart from damping adjustment device, and it is characterized in that, the described coupling gear teeth (22) are arranged as annular, and it is that the region of inswept control hand wheel is consistent that described annular shape and regulating arm (2) rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863800.0A CN105319813B (en) | 2015-11-30 | 2015-11-30 | A kind of projector ray machine focal length damping adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863800.0A CN105319813B (en) | 2015-11-30 | 2015-11-30 | A kind of projector ray machine focal length damping adjustment device |
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| Publication Number | Publication Date |
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| CN105319813A true CN105319813A (en) | 2016-02-10 |
| CN105319813B CN105319813B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510863800.0A Active CN105319813B (en) | 2015-11-30 | 2015-11-30 | A kind of projector ray machine focal length damping adjustment device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001337378A (en) * | 2000-05-30 | 2001-12-07 | Hiroshi Wakabayashi | Motive power switching device and camera |
| CN201796181U (en) * | 2010-05-11 | 2011-04-13 | 昆明远达光学有限公司 | Internal focusing type binocular Porro telescope |
| CN102162587A (en) * | 2010-12-31 | 2011-08-24 | 海星海事电气集团有限公司 | Adjustable search lamp |
| CN103189779A (en) * | 2010-10-22 | 2013-07-03 | 威廉·吉尔博特 | Automated slide scanning system for a microscope |
| CN203444230U (en) * | 2013-07-29 | 2014-02-19 | 惠州市华阳多媒体电子有限公司 | Projector and focusing device thereof |
-
2015
- 2015-11-30 CN CN201510863800.0A patent/CN105319813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001337378A (en) * | 2000-05-30 | 2001-12-07 | Hiroshi Wakabayashi | Motive power switching device and camera |
| CN201796181U (en) * | 2010-05-11 | 2011-04-13 | 昆明远达光学有限公司 | Internal focusing type binocular Porro telescope |
| CN103189779A (en) * | 2010-10-22 | 2013-07-03 | 威廉·吉尔博特 | Automated slide scanning system for a microscope |
| CN102162587A (en) * | 2010-12-31 | 2011-08-24 | 海星海事电气集团有限公司 | Adjustable search lamp |
| CN203444230U (en) * | 2013-07-29 | 2014-02-19 | 惠州市华阳多媒体电子有限公司 | Projector and focusing device thereof |
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| CN105319813B (en) | 2017-03-29 |
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Denomination of invention: Focal length damping adjusting device of projector optical machine Effective date of registration: 20181123 Granted publication date: 20170329 Pledgee: Chengdu technical transformation incubator management Co., Ltd. Pledgor: CHENGDU XGIMI TECHNOLOGY CO., LTD. Registration number: 2018510000125 |
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Address after: 610000 Tianfu Software Park Area A, 1129 Century City Road, Chengdu High-tech Zone, Sichuan Province Patentee after: Chengdu Jimi Technology Co., Ltd. Address before: 610094 Sichuan City, Chengdu province high tech Zone, Century City Road, No. 1129 Tianfu Software Park A District, building 5, floor 7 Patentee before: CHENGDU XGIMI TECHNOLOGY CO., LTD. |
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Date of cancellation: 20191227 Granted publication date: 20170329 Pledgee: Chengdu technical transformation incubator management Co., Ltd. Pledgor: CHENGDU XGIMI TECHNOLOGY CO., LTD. Registration number: 2018510000125 |