CN105319813B - A kind of projector ray machine focal length damping adjustment device - Google Patents
A kind of projector ray machine focal length damping adjustment device Download PDFInfo
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- CN105319813B CN105319813B CN201510863800.0A CN201510863800A CN105319813B CN 105319813 B CN105319813 B CN 105319813B CN 201510863800 A CN201510863800 A CN 201510863800A CN 105319813 B CN105319813 B CN 105319813B
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- Prior art keywords
- ray machine
- regulating arm
- handle
- focal length
- projector
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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)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of projector ray machine focal length damping adjustment device, including structure housing, regulating arm and adjusting handle；The regulating arm is lever construction, rotating shaft as the balance pivot is arranged in structure housing, one end of the regulating arm includes the coupled structure being connected with ray machine focus adjustment handle, and the ray machine focus adjustment handle is group handle manually that projector ray machine is focused；The other end of the regulating arm is contacted with the adjusting handle, for the rotation displacement of adjusting handle is transferred to ray machine focus adjustment handle.Beneficial effect：The projector ray machine focal length damping adjustment device of the present invention according to product orientation and user's request, can obtain suitable projector focal length damping adjusting value with resistance arm brachium ratio by adjusting the power arm of regulating arm in product design process.Also, the structure design of sector has saved material, the step that thickens that through hole is arranged improves the stability that device is contacted with ray machine focus adjustment handle.
Description
Technical field
The present invention relates to projection display technique field, and in particular to the focus adjustment technology of projector equipment camera lens, especially relate to
And a kind of focal length damping adjustment device of projector ray machine.
Background technology
With the marketization popularization of DLP (the Digital Light Procession) shadow casting technique of high-precision low cost,
LED projector is shot up as minimized office with advantages such as the portability of its low cost, low-power consumption, high brightness and height and family
With the new lover in market.And combined with intelligent operating system and TV set-top box technology, become what intelligent television market can not be despised
Competing product.
In order to reach the parameters demands such as the stability of ray machine operation, ray machine is usually designed to independent module, and
Just there is the focal length setting mechanism of its own at the beginning of design.This mode is that projector finished article design later causes a fixed limit
System, such as：
If the 1, directly using the governor motion of former ray machine, certainly will will consider and burnt in the industrial appearance design of projector
The structure of distance regulating mechanism docking, affects the expression of overall appearance design；
2nd, optic-mechanical design focuses on the realization of its function and the lifting of performance, can seldom consider the experience effect of user side, right
For focal length setting mechanism, at the beginning of design its profile and operation when damping (feel) it is molded, and its design
Not based on Consumer's Experience, therefore it is not necessarily suitable for the global design theory of product；
3rd, according to former ray machine focal length setting mechanism in projector products design, can in order to be able to take into account product focus adjustment
Operability, then cannot meet the rational deployment of interiors of products functional unit very well, and then may have influence on product miniaturization and dissipate
The functional design such as heat.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided the projector in a kind of design for projector products
Ray machine focal length damping adjustment device.
Technical scheme is as follows：Projector ray machine focal length damping adjustment device, it is characterised in that including structural shell
Body (3), regulating arm (2) and adjusting handle (1)；The regulating arm (2) is lever construction, used as the rotating shaft of the balance pivot
(23) it is arranged in structure housing (3), one end of the regulating arm (2) includes the coupling knot being connected with ray machine focus adjustment handle
Structure, the ray machine focus adjustment handle are group handle manually that projector ray machine is focused；The other end of the regulating arm (2) and institute
State adjusting handle (1) to contact, for the rotation displacement of adjusting handle (1) is transferred to ray machine focus adjustment handle.
Preferred version, one end being connected with ray machine focus adjustment handle of regulating arm (2) include ray machine coupling aperture (212),
The ray machine coupling aperture (212) is axial direction and the perpendicular through hole of regulating arm (2) rotational plane, the ray machine coupling aperture (212)
It is socketed on ray machine focus adjustment handle.
Preferred version, comprising step (211) is thickened, the step (211) that thickens is located at ray machine coupling aperture (212) place
Side of the regulating arm (2) towards ray machine.
Preferred version, the regulating arm (2) is flat, and its flat surface is parallel to regulating arm (2) rotational plane.
Preferred version, one end that the regulating arm (2) is contacted with adjusting handle (1) are sector structure, so that regulating arm
(2) in rotation process, regulating arm (2) is completely attached to adjusting handle (1).
Preferred version, the regulating arm (2) and adjusting handle (1) are by way of friction by the rotation of adjusting handle (1)
Displacement is transferred to regulating arm (2).
Preferred version, the surface of the sector structure is comprising the first raised coupling gear teeth (22), the adjusting handle (1)
Surface comprising with described first coupling the gear teeth (22) match second coupling the gear teeth (11), it is described first coupling the gear teeth (22)
The gear teeth (11) are coupled for the rotation displacement of adjusting handle (1) is transferred to regulating arm (2) with second.
Preferred version, the ray machine coupling aperture (212) are track type through hole.
Preferred version, the lever model power arm of the regulating arm (2) are not less than 2/3 with the brachium ratio of resistance arm, no
More than 3/2.
Preferred version, the structure housing (3) include L-type fixing groove (31) and external stability through hole (32)；The L-type is solid
Determine that groove (31) is mutually perpendicular to by two and the structure grooves of UNICOM are constituted, one of for installing regulating arm (2), it is another to adjust for installing
Section handwheel (1)；The external stability through hole (32) is for securing the appliance to projector equipment by bolt.
Preferred version, first coupling gear teeth (22) are arranged as annular, and the annular shape is rotated with regulating arm (2) is
The region of inswept adjusting handle is consistent.
Beneficial effects of the present invention are as follows：Using such scheme, the projector ray machine focal length damping adjustment device of the present invention
Can be in product design process, according to product orientation and user's request, by the power arm and resistance arm arm that adjust regulating arm
Long ratio obtains suitable projector focal length damping adjusting value.Also, the structure design of sector has saved material, through hole is arranged
The step that thickens improve the stability that device is contacted with ray machine focus adjustment handle.
Description of the drawings
Fig. 1 is the overall structure diagram of damping adjustment device preferred embodiment of the present invention；
Overlooking structure figures of the Fig. 2 for preferred embodiment described in Fig. 1；
Face upwarding assumption diagrams of the Fig. 3 for 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：Adjusting handle 1, the second coupling gear teeth 11, rotating shaft 12, regulating arm 2, ray machine coupled end 21 increase
Thick step 211, ray machine coupling aperture 212, the first coupling gear teeth 22, rotating shaft 23, structure housing 3, L-type fixing groove 31, external stability
Through hole 32.
Specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is referred to, used as the preferred embodiments of the present invention, shown projector ray machine focal length damping adjustment device includes
Structure housing 3, regulating arm 2 and adjusting handle 1, wherein, adjusting handle is installed in structure housing 3 by rotating shaft 12.It is described
Regulating arm 2 is lever construction, and the rotating shaft 23 as the balance pivot is arranged in structure housing 3, one end of the regulating arm 2
Including the coupled structure being connected with ray machine focus adjustment handle, the ray machine focus adjustment handle is what projector ray machine was focused
Handle is dialled manually, and the effect of wherein coupled structure is that the rotation of regulating arm 2 is delivered on ray machine focus adjustment handle, and then to change
Become the focal length of ray machine.The other end of the regulating arm 2 is contacted with the adjusting handle 1, for by the rotation position of adjusting handle 1
Shifting is transferred to ray machine focus adjustment handle.
Shown as shown in Figure 2, Figure 3 and Figure 4, scheme as the presently preferred embodiments, regulating arm 2 are connected with ray machine focus adjustment handle
One end include ray machine coupling aperture 212, the ray machine coupling aperture 212 for axially with the perpendicular through hole of 2 rotational plane of regulating arm,
The ray machine coupling aperture 212 is socketed on ray machine focus adjustment handle.Through hole be socketed by way of, it is simple and effective realize from
Transmission of the regulating arm 2 to the power of ray machine focus adjustment handle.
Preferred embodiment scheme, comprising step 211 is thickened at the ray machine coupling aperture 212, the step 211 that thickens is located at
Side of the regulating arm 2 towards ray machine.As ray machine focus adjustment handle is located on ray machine, and rotate by axle of ray machine lens axis,
The process of rotation can cause the length that ray machine focus adjustment handle is nested into above-mentioned through hole to shorten.Plus mismachining tolerance, alignment error
Etc. other factors, it is possible to reduce regulating arm and the contact reliability of focus adjustment handle.This preferred embodiment scheme is mainly
Design to solve this problem.
Preferred embodiment scheme, the regulating arm 2 are flat, and its flat surface is parallel to 2 rotational plane of regulating arm.
On the one hand the structure of flat saves the input of rapidoprint amount；On the other hand, also its basic mechanical property will not be produced
It is raw to affect.
Preferred embodiment scheme, one end that the regulating arm 2 is contacted with adjusting handle 1 are sector structure, so as to adjust
In 2 rotation process of arm, regulating arm 2 is completely attached to adjusting handle 1.Regulating arm 2 is designed as into flat, and is individually to adjust
One end of handwheel is designed as the bigger sector of area.On the one hand the saving to material is considered, with reduces cost；On the other hand,
Also ensure that the effective contact of adjusting handle 1 and regulating arm 2.
Preferred embodiment scheme, the regulating arm 2 and adjusting handle 1 are by way of friction by the rotation of adjusting handle 1
Displacement is transferred to regulating arm 2.This to realize a kind of embodiment of the two mechanics transmission, the solution of the present invention including but not limited to
This kind of concrete form.
Preferred embodiment scheme, the surface of the sector structure is comprising the first raised coupling gear teeth 22, the regulation handss
The surface of wheel 1 includes the second coupling gear teeth 11 matched with the described first coupling gear teeth 22, the first coupling 22 He of the gear teeth
Second couples the gear teeth 11 for the rotation displacement of adjusting handle 1 is transferred to regulating arm 2.The is arranged on the surface of adjusting handle 1
The two coupling gear teeth 11, are because：User direct acting position when adjusting handle 1 is focus adjustment, arranges the coupling gear teeth favourable
In manual toggle, feel is preferable；Meanwhile, it is coupled with regulating arm by coupling the gear teeth, better reliability.The present embodiment by
The surface of regulating arm arranges raised this special structure of the coupling gear teeth, has effectively taken into account the mechanics bang path and biography of the two
The reliability passed.
Preferred embodiment scheme, the ray machine coupling aperture 212 are track type through hole.The through hole of track type is suitable for the two
Coupling in change.
Preferred embodiment scheme, the lever model power arm of the regulating arm 2 are not less than 2/ with the brachium ratio of resistance arm
3, no more than 3/2.This parameter is lower threshold value on Consumer's Experience preferably damping value.The scheme of the present embodiment is referred in design lever
During the ratio of power arm and resistance arm, the arbitrary value between two values can be adopted, while also including two end values.Make
For optimum parameter, can be in the form of ratio be for 1,1.2 and 0.8.
Preferred embodiment scheme, the structure housing 3 include L-type fixing groove 31 and external stability through hole 32；The L-type is solid
Determine that groove 31 is mutually perpendicular to by two and the structure grooves of UNICOM are constituted, one of for installing regulating arm 2, it is another to adjust handss for installing
Wheel 1；The external stability through hole 32 is for securing the appliance to projector equipment by bolt.Preferred embodiment scheme, it is described
The first coupling gear teeth 22 are arranged as annular, and the annular shape and the rotation of regulating arm 2 are that the region of inswept adjusting handle is consistent.Coupling
The main purpose for closing the shape design of the gear teeth is also to save the material that device is used, with reduces cost.
It should be pointed out that the operation principle of the present invention is described in detail above in association with accompanying drawing, but the technology of this area
Personnel should be appreciated that specific embodiment illustrates the present invention with being only for demonstration, and description is only for explaining that right will
Book, protection scope of the present invention is asked to be not limited to description.Any those familiar with the art is of the invention public
In the technical scope opened, the change that can be readily occurred in or replacement should all be included within the scope of the present invention.Therefore,
Protection scope of the present invention should be defined by the protection domain of claims.
Claims (9)
1. a kind of projector ray machine focal length damping adjustment device, it is characterised in that including structure housing (3), regulating arm (2) and
Adjusting handle (1)；The regulating arm (2) is lever construction, and the rotating shaft (23) as the balance pivot is arranged at structure housing
(3) on, one end of the regulating arm (2) includes the coupled structure being connected with ray machine focus adjustment handle, and the ray machine focal length is adjusted
Section handle is group handle manually that projector ray machine is focused；The other end of the regulating arm (2) is connected with the adjusting handle (1)
Touch, for the rotation displacement of adjusting handle (1) is transferred to ray machine focus adjustment handle；Regulating arm (2) with ray machine focus adjustment
One end that handle is connected includes ray machine coupling aperture (212), and the ray machine coupling aperture (212) rotates flat for axial direction and regulating arm (2)
The perpendicular through hole in face, the ray machine coupling aperture (212) are socketed on ray machine focus adjustment handle.
2. projector ray machine focal length damping adjustment device according to claim 1, it is characterised in that the ray machine coupling aperture
(212) place is comprising thickening step (211), it is described thicken step (211) positioned at regulating arm (2) towards ray machine side.
3. projector ray machine focal length damping adjustment device according to claim 1, it is characterised in that the regulating arm (2)
For flat, its flat surface is parallel to regulating arm (2) rotational plane.
4. projector ray machine focal length damping adjustment device according to claim 3, it is characterised in that the regulating arm (2)
The one end contacted with adjusting handle (1) is sector structure, so that regulating arm (2) and regulation handss in regulating arm (2) rotation process
Wheel (1) is completely attached to.
5. projector ray machine focal length damping adjustment device according to claim 4, it is characterised in that the regulating arm (2)
The rotation displacement of adjusting handle (1) is transferred to into regulating arm (2) by way of friction with adjusting handle (1).
6. projector ray machine focal length damping adjustment device according to claim 4, it is characterised in that the sector structure
Surface includes the first raised coupling gear teeth (22), and the surface of the adjusting handle (1) couples the gear teeth comprising with described first
(22) the second coupling gear teeth (11) for matching, first coupling gear teeth (22) and second couple the gear teeth (11) for adjusting
The rotation displacement of handwheel (1) is transferred to regulating arm (2).
7. projector ray machine focal length damping adjustment device according to claim 1, it is characterised in that the ray machine coupling aperture
(212) it is track type through hole.
8. projector ray machine focal length damping adjustment device according to claim 7, it is characterised in that the regulating arm (2)
The brachium ratio of lever model power arm and resistance arm be not less than 2/3, no more than 3/2.
9. projector ray machine focal length damping adjustment device according to claim 6, it is characterised in that first coupling wheel
Tooth (22) is arranged as annular, the annular shape rotate with regulating arm (2) be inswept adjusting handle region it is consistent.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105319813A CN105319813A (en) | 2016-02-10 |
| CN105319813B true CN105319813B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Family Cites Families (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 |
| EP2630537B1 (en) * | 2010-10-22 | 2018-12-12 | Motic China Group Co., Ltd. | Focusing unit and automated slide scanning system using the same |
| 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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2015
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| CN105319813A (en) | 2016-02-10 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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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| CP03 | Change of name, title or address |
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 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |